hg/stx-libbasic: CharacterEncoder.st@39cff5666d22 (annotated)

8048 293c8178c6eb utf8 errors Claus Gittinger <cg@exept.de> parents: 8033 diff changeset	1	"
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	2	COPYRIGHT (c) 2004 by eXept Software AG
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	3	All Rights Reserved
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	4
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	5	This software is furnished under a license and may be used
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	6	only in accordance with the terms of that license and with the
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	7	inclusion of the above copyright notice. This software may not
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	8	be provided or otherwise made available to, or used by, any
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	9	other person. No title to or ownership of the software is
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	10	hereby transferred.
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	11	"
8114 05274a80fcc4 separated implementation into dynamically (lazy) loaded classes Claus Gittinger <cg@exept.de> parents: 8105 diff changeset	12	"{ Package: 'stx:libbasic' }"
05274a80fcc4 separated implementation into dynamically (lazy) loaded classes Claus Gittinger <cg@exept.de> parents: 8105 diff changeset	13
17491 6462f81e6623 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17118 diff changeset	14	"{ NameSpace: Smalltalk }"
6462f81e6623 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17118 diff changeset	15
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	16	Object subclass:#CharacterEncoder
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	17	instanceVariableNames:''
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	18	classVariableNames:'AccessLock CachedEncoders EncoderClassesByName EncodersByName
c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	19	EncodingDetectors Jis7KanjiEscapeSequence
c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	20	Jis7KanjiOldEscapeSequence Jis7RomanEscapeSequence
c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	21	JisISO2022EscapeSequence NullEncoderInstance'
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	22	poolDictionaries:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	23	category:'Collections-Text-Encodings'
7969 1c252e9cf79c * empty log message * Claus Gittinger <cg@exept.de> parents: 7967 diff changeset	24	!
1c252e9cf79c * empty log message * Claus Gittinger <cg@exept.de> parents: 7967 diff changeset	25
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	26	CharacterEncoder subclass:#CompoundEncoder
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	27	instanceVariableNames:'decoder encoder'
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	28	classVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	29	poolDictionaries:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	30	privateIn:CharacterEncoder
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	31	!
0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	32
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	33	CharacterEncoder subclass:#DefaultEncoder
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	34	instanceVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	35	classVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	36	poolDictionaries:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	37	privateIn:CharacterEncoder
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	38	!
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	39
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	40	CharacterEncoder subclass:#InverseEncoder
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	41	instanceVariableNames:'decoder'
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	42	classVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	43	poolDictionaries:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	44	privateIn:CharacterEncoder
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	45	!
0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	46
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	47	CharacterEncoder subclass:#NullEncoder
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	48	instanceVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	49	classVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	50	poolDictionaries:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	51	privateIn:CharacterEncoder
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	52	!
0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	53
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	54	CharacterEncoder subclass:#OtherEncoding
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	55	instanceVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	56	classVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	57	poolDictionaries:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	58	privateIn:CharacterEncoder
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	59	!
0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	60
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	61	CharacterEncoder subclass:#TwoStepEncoder
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	62	instanceVariableNames:'encoder1 encoder2'
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	63	classVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	64	poolDictionaries:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	65	privateIn:CharacterEncoder
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	66	!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	67
7893 80df105ac17c checkin from browser Claus Gittinger <cg@exept.de> parents: 7892 diff changeset	68	!CharacterEncoder class methodsFor:'documentation'!
80df105ac17c checkin from browser Claus Gittinger <cg@exept.de> parents: 7892 diff changeset	69
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	70	copyright
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	71	"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	72	COPYRIGHT (c) 2004 by eXept Software AG
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	73	All Rights Reserved
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	74
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	75	This software is furnished under a license and may be used
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	76	only in accordance with the terms of that license and with the
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	77	inclusion of the above copyright notice. This software may not
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	78	be provided or otherwise made available to, or used by, any
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	79	other person. No title to or ownership of the software is
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	80	hereby transferred.
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	81	"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	82	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	83
7893 80df105ac17c checkin from browser Claus Gittinger <cg@exept.de> parents: 7892 diff changeset	84	documentation
80df105ac17c checkin from browser Claus Gittinger <cg@exept.de> parents: 7892 diff changeset	85	"
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	86	unfinished code - please read howToAddMoreCoders.
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	87
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	88	Character mappings are based on information in character maps found at either:
8226 81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	89	http://std.dkuug.dk/i18n/charmaps
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	90	or:
8226 81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	91	http://www.unicode.org/Public/MAPPINGS
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	92
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	93	No Warranty.
8226 81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	94
20227 4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	95	All the ISO 8859 codesets include ASCII as a proper codeset within them:
8226 81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	96
20227 4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	97	ISO-8859-1: Latin 1 - Western European Languages.
4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	98	ISO-8859-2: Latin 2 - Eastern European Languages.
4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	99	ISO-8859-3: Latin 3 - Afrikaans, Catalan, Dutch, English, Esperanto, German,
4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	100	Italian, Maltese, Spanish and Turkish.
4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	101	ISO-8859-4: Latin 4 - Danish, English, Estonian, Finnish, German, Greenlandic, Lappish and Latvian.
4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	102	ISO-8859-5: Latin/Cyrillic - Bulgarian, Byelorussian, English, Macedonian, Russian, Serbo-Croat and Ukranian.
4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	103	ISO-8859-6: Latin/Arabic - Arabic.
4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	104	ISO-8859-7: Latin/Greek - Greek.
4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	105	ISO-8859-8: Latin/Hebrew - Hebrew.
4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	106	ISO-8859-9: Latin 5 - Danish, Dutch, English, Finnish, French, German, Irish, Italian,
4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	107	Norwegian, Portuguese, Spanish, Swedish and Turkish.
4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	108	ISO-8859-10: Latin 6 - Danish, English, Estonian, Finnish, German, Greenlandic, Icelandic,
8226 81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	109	Sami (Lappish), Latvian, Lithuanian, Norwegian, Faroese and Swedish.
8810 8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	110	[author:]
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	111	Claus Gittinger
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	112	"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	113	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	114
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	115	examples
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	116	"
20227 4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	117	[exBegin]
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	118	\|s1 s2\|
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	119
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	120	s1 := 'hello'.
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	121	s2 := CharacterEncoder encodeString:s1 from:#'iso8859-1' into:#'unicode'.
20227 4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	122	s2
4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	123	[exEnd]
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	124
20227 4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	125	[exBegin]
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	126	\|s1 s2\|
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	127
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	128	s1 := 'hello'.
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	129	s2 := CharacterEncoder encodeString:s1 from:#'iso8859-1' into:#'iso8859-7'.
20227 4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	130	s2
4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	131	[exEnd]
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	132	"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	133	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	134
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	135	howToAddMoreCoders
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	136	"
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	137	Coders can be hand-written or automagically generated via a mapping table.
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	138	Examples for hand-written coders are UTF8_to_ISO10464 or JIS0208_to_JIS7.
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	139
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	140	The table driven encode/decode methods can be generated from a character mapping document
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	141	as found on the unicode consortium host
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	142	(for example: 'http://www.unicode.org/Public/MAPPINGS/ISO8859/8859-1.TXT')
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	143
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	144	or from the i18n character maps:
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	145	(for example: 'http://std.dkuug.dk/i18n/charmaps/ISO-8859-1
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	146
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	147	In order to add another coder (for example: for EBCDIC or ms-codePage 278),
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	148	perform the following steps:
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	149	- create a public subclass of CharacterEncoderImplementations::CharacterEncoderImplementation named (for example) CharacterEncoderImplementations::CP267.
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	150
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	151	- define the mappingURL1_relativeName (if the table is found on 'www.unicode.org')
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	152	or the mappingURL2_relativeName (if it is found on 'std.dkuug.dk') method, which
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	153	should return the name of the tables file, relative to the top directory there
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	154	(which is '.../Public/MAPPINGS' on www.unicode.org and '.../i18n/charmaops' on 'std.dkuug.dk'.
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	155
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	156	In this example, the table from 'std.dkuug.dk' is used, and named 'EBCDIC-CP-FI' there.
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	157
16054 171c7f8b4547 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 15966 diff changeset	158	- generate code by evaluating (make sure that CharacterEncoderGenerator is loaded from stx:goodies):
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	159	CharacterEncoder::CP267 generateCode
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	160
20227 4090cde0c345 #DOCUMENTATION by mawalch mawalch parents: 20004 diff changeset	161	That's all!!
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	162
7909 a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	163
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	164	The existing code was generated by:
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	165
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	166	CharacterEncoder::SingleByteEncoder subclassesDo:[:cls \| Transcript showCR:cls name. cls flushCode; generateCode ]
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	167	CharacterEncoder::SingleByteEncoder subclassesDo:[:cls \| cls allSubclassesDo:[:sub \| Transcript showCR:sub name. sub flushCode; generateSubclassCode]]
7909 a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	168
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	169	or individually:
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	170	CharacterEncoder::ASCII flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	171	CharacterEncoder::ISO8859_1 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	172	CharacterEncoder::ISO8859_2 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	173	CharacterEncoder::ISO8859_3 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	174	CharacterEncoder::ISO8859_4 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	175	CharacterEncoder::ISO8859_5 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	176	CharacterEncoder::ISO8859_6 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	177	CharacterEncoder::ISO8859_7 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	178	CharacterEncoder::ISO8859_8 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	179	CharacterEncoder::ISO8859_9 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	180	CharacterEncoder::ISO8859_10 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	181	CharacterEncoder::ISO8859_11 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	182	CharacterEncoder::ISO8859_13 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	183	CharacterEncoder::ISO8859_14 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	184	CharacterEncoder::ISO8859_15 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	185	CharacterEncoder::ISO8859_16 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	186	CharacterEncoder::KOI8_R flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	187	CharacterEncoder::GSM0338 flushCode; generateCode.
7909 a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	188
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	189	CharacterEncoder::KOI8_U flushCode; generateSubclassCode.
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	190
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	191	CharacterEncoder::JIS0208 flushCode; generateCode.
13072 e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	192
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	193	Please check if your encoder tables are complete; for example, with:
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	194	0 to:255 do:[:ebc \|
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	195	\|asc ebc2\|
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	196
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	197	asc := CharacterEncoderImplementations::EBCDIC new decode:ebc.
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	198	asc notNil ifTrue:[
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	199	ebc2 := CharacterEncoderImplementations::EBCDIC new encode:asc.
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	200	self assert:(ebc2 = ebc)
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	201	].
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	202	].
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	203
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	204	0 to:255 do:[:asc \|
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	205	\|ebc asc2\|
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	206
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	207	ebc := CharacterEncoderImplementations::EBCDIC new encode:asc.
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	208	ebc notNil ifTrue:[
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	209	asc2 := CharacterEncoderImplementations::EBCDIC new decode:ebc.
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	210	self assert:(asc2 = asc)
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	211	].
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	212	].
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	213	"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	214	! !
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	215
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	216	!CharacterEncoder class methodsFor:'instance creation'!
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	217
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	218	encoderFor:encodingNameSymbol
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	219	"given the name of an encoding, return an encoder-instance which can map these from/into unicode."
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	220
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	221	^ self
8156 bd5169c15b31 * empty log message * ca parents: 8155 diff changeset	222	encoderFor:encodingNameSymbol
bd5169c15b31 * empty log message * ca parents: 8155 diff changeset	223	ifAbsent:[
bd5169c15b31 * empty log message * ca parents: 8155 diff changeset	224	"/ proceed to ignore this error in the future.
8352 20d2476f538e add nullEncoder BEFORE raising an error Claus Gittinger <cg@exept.de> parents: 8262 diff changeset	225
16054 171c7f8b4547 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 15966 diff changeset	226	"/ (EncodersByName at:#unicode) at:encodingNameSymbol put:NullEncoderInstance.
171c7f8b4547 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 15966 diff changeset	227	"/ (EncoderClassesByName at:#unicode) at:encodingNameSymbol put:NullEncoder.
8352 20d2476f538e add nullEncoder BEFORE raising an error Claus Gittinger <cg@exept.de> parents: 8262 diff changeset	228
8388 b5cf7abdfe64 no encoder: send a message to stdError instead of entering Claus Gittinger <cg@exept.de> parents: 8352 diff changeset	229	"/ self error:'no encoder for ' , encodingNameSymbol mayProceed:true.
17520 0084ef840ac7 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17498 diff changeset	230	('CharacterEncoder [warning]: no encoder for "' , encodingNameSymbol,'"') infoPrintCR.
8388 b5cf7abdfe64 no encoder: send a message to stdError instead of entering Claus Gittinger <cg@exept.de> parents: 8352 diff changeset	231
8156 bd5169c15b31 * empty log message * ca parents: 8155 diff changeset	232	NullEncoderInstance
bd5169c15b31 * empty log message * ca parents: 8155 diff changeset	233	]
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	234
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	235	"
8388 b5cf7abdfe64 no encoder: send a message to stdError instead of entering Claus Gittinger <cg@exept.de> parents: 8352 diff changeset	236	CharacterEncoder encoderFor:#'blabla2'
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	237	CharacterEncoder encoderFor:#'latin1'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	238	self encoderFor:#'arabic'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	239	self encoderFor:#'ms-arabic'
8814 501f04d1f533 * empty log message * Claus Gittinger <cg@exept.de> parents: 8810 diff changeset	240	self encoderFor:#'cp1250'
501f04d1f533 * empty log message * Claus Gittinger <cg@exept.de> parents: 8810 diff changeset	241	self encoderFor:#'cp1251'
501f04d1f533 * empty log message * Claus Gittinger <cg@exept.de> parents: 8810 diff changeset	242	self encoderFor:#'cp1252'
501f04d1f533 * empty log message * Claus Gittinger <cg@exept.de> parents: 8810 diff changeset	243	self encoderFor:#'cp1253'
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	244	self encoderFor:#'iso8859-5'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	245	self encoderFor:#'koi8-r'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	246	self encoderFor:#'koi8-u'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	247	self encoderFor:#'jis0208'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	248	self encoderFor:#'jis7'
8087 0a2ee76bcf55 last version before separating into extra classes Claus Gittinger <cg@exept.de> parents: 8062 diff changeset	249	self encoderFor:#'utf8'
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	250	(self encoderFor:#'utf16le') encodeString:'hello'
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	251	(self encoderFor:#'utf16le') encode:5
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	252	(self encoderFor:#'utf16be') encodeString:'hello'
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	253	(self encoderFor:#'utf16be') encode:5
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	254	(self encoderFor:#'utf32le') encodeString:'hello'
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	255	(self encoderFor:#'utf32be') encodeString:'hello'
10111 7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	256	self encoderFor:#'sgml'
7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	257	self encoderFor:#'java'
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	258	"
10111 7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	259
14207 f80306416305 comment/format in: Claus Gittinger <cg@exept.de> parents: 14206 diff changeset	260	"Modified: / 12-07-2012 / 19:35:43 / cg"
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	261	!
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	262
8168 8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	263	encoderFor:encodingNameSymbolArg ifAbsent:exceptionValue
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	264	"given the name of an encoding, return an encoder-instance which can map these from/into unicode."
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	265
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	266	\|encodingNameSymbol enc clsName cls unicodeEncoders unicodeEncoderClasses\|
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	267
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	268	encodingNameSymbolArg isNil ifTrue:[ ^ NullEncoderInstance].
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	269
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	270	encodingNameSymbol := encodingNameSymbolArg asLowercase asSymbolIfInternedOrSelf.
c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	271	encodingNameSymbol == #'iso10646-1' ifTrue:[encodingNameSymbol := #unicode].
8168 8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	272
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	273	encodingNameSymbol includesMatchCharacters ifTrue:[
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	274	AccessLock critical:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	275	unicodeEncoders := EncodersByName at:#unicode ifAbsent:nil.
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	276	].
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	277	unicodeEncoders notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	278	unicodeEncoders keysAndValuesDo:[:eachEncodingAlias :eachEncoderInstance \|
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	279	(encodingNameSymbol matches:eachEncodingAlias) ifTrue:[
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	280	^ eachEncoderInstance.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	281	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	282	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	283	].
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	284
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	285	AccessLock critical:[
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	286	unicodeEncoderClasses := self encoderClassesByName at:#unicode.
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	287	].
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	288	unicodeEncoderClasses notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	289	unicodeEncoderClasses keysAndValuesDo:[:eachEncodingAlias :eachEncoderClassOrName \|
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	290	(encodingNameSymbol matches:eachEncodingAlias) ifTrue:[
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	291	eachEncoderClassOrName isBehavior ifTrue:[
8194 7027457dbe4f * empty log message * ca parents: 8190 diff changeset	292	cls := eachEncoderClassOrName
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	293	] ifFalse:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	294	cls := CharacterEncoderImplementations at:eachEncoderClassOrName.
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	295	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	296	cls notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	297	^ cls new.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	298	]
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	299	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	300	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	301	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	302	^ exceptionValue value
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	303	].
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	304
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	305	AccessLock critical:[
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	306	unicodeEncoders := EncodersByName at:#unicode ifAbsentPut:[Dictionary new].
c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	307	enc := unicodeEncoders at:encodingNameSymbol ifAbsent:nil.
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	308	].
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	309	enc isNil ifTrue:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	310	AccessLock critical:[
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	311	unicodeEncoderClasses := self encoderClassesByName at:#unicode ifAbsentPut:[Dictionary new].
c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	312	clsName := unicodeEncoderClasses at:encodingNameSymbol ifAbsent:nil.
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	313	].
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	314	clsName notNil ifTrue:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	315	clsName isBehavior ifTrue:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	316	cls := clsName
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	317	] ifFalse:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	318	cls := CharacterEncoderImplementations at:clsName.
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	319	].
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	320	cls notNil ifTrue:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	321	enc := cls new.
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	322	AccessLock critical:[
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	323	unicodeEncoders at:encodingNameSymbol put:enc.
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	324	]
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	325	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	326	].
7973 6dea491d56f7 * empty log message * Claus Gittinger <cg@exept.de> parents: 7972 diff changeset	327	].
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	328
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	329	enc notNil ifTrue:[
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	330	^ enc
7973 6dea491d56f7 * empty log message * Claus Gittinger <cg@exept.de> parents: 7972 diff changeset	331	].
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	332
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	333	"/ no direct encoder from unicode->encodingNameSymbol
c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	334	"/ search for unicode->any and: any->encodingNameSymbol
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	335	AccessLock critical:[
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	336	unicodeEncoderClasses := self encoderClassesByName at:#unicode ifAbsent:nil.
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	337	].
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	338	unicodeEncoderClasses keysAndValuesDo:[:eachEncodingAlias :eachEncoderClass \|
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	339	\|dict2 enc1 enc2\|
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	340
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	341	AccessLock critical:[
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	342	dict2 := self encoderClassesByName at:eachEncodingAlias ifAbsent:nil.
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	343	].
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	344	dict2 notNil ifTrue:[
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	345	clsName := dict2 at:encodingNameSymbol ifAbsent:nil.
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	346	clsName notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	347	clsName isBehavior ifTrue:[
8194 7027457dbe4f * empty log message * ca parents: 8190 diff changeset	348	cls := clsName
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	349	] ifFalse:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	350	cls := CharacterEncoderImplementations at:clsName.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	351	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	352	cls notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	353	enc2 := cls new.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	354	enc1 := self encoderFor:eachEncodingAlias.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	355	(enc1 notNil and:[enc2 notNil]) ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	356	enc := TwoStepEncoder new encoder1:enc1 encoder2:enc2.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	357	AccessLock critical:[
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	358	unicodeEncoders at:encodingNameSymbol put:enc.
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	359	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	360	^ enc.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	361	]
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	362	]
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	363	]
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	364	].
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	365	].
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	366
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	367	self encoderClassesByName keysAndValuesDo:[:encoding1 :dict1 \|
8194 7027457dbe4f * empty log message * ca parents: 8190 diff changeset	368	dict1 keysAndValuesDo:[:encoding2 :clsName1\|
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	369	\|clsName2 cls1 cls2 dict2 enc1 enc2\|
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	370
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	371	encoding2 = encodingNameSymbol ifTrue:[
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	372	AccessLock critical:[
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	373	dict2 := self encoderClassesByName at:#unicode.
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	374	].
8194 7027457dbe4f * empty log message * ca parents: 8190 diff changeset	375	clsName2 := dict2 at:encoding1 ifAbsent:nil.
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	376	clsName2 notNil ifTrue:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	377	clsName1 isBehavior ifTrue:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	378	cls1 := clsName1
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	379	] ifFalse:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	380	cls1 := CharacterEncoderImplementations at:clsName1.
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	381	].
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	382	clsName2 isBehavior ifTrue:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	383	cls2 := clsName2
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	384	] ifFalse:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	385	cls2 := CharacterEncoderImplementations at:clsName2.
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	386	].
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	387	(cls1 notNil and:[cls2 notNil]) ifTrue:[
14207 f80306416305 comment/format in: Claus Gittinger <cg@exept.de> parents: 14206 diff changeset	388	enc1 := cls1 new.
f80306416305 comment/format in: Claus Gittinger <cg@exept.de> parents: 14206 diff changeset	389	enc2 := cls2 new.
8194 7027457dbe4f * empty log message * ca parents: 8190 diff changeset	390	enc := TwoStepEncoder new encoder1:enc1 encoder2:enc2.
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	391	^ enc.
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	392	].
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	393	]
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	394	]
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	395	]
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	396	].
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	397
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	398	^ exceptionValue value
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	399
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	400	"
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	401	CharacterEncoder encoderFor:#'latin1'
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	402	self encoderFor:#'arabic'
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	403	self encoderFor:#'ms-arabic'
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	404	self encoderFor:#'iso8859-5'
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	405	self encoderFor:#'koi8-r'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	406	self encoderFor:#'koi8-u'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	407	self encoderFor:#'jis0208'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	408	self encoderFor:#'jis7'
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	409	self encoderFor:#'unicode'
17520 0084ef840ac7 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17498 diff changeset	410	self encoderFor:#'UTF-8'
0084ef840ac7 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17498 diff changeset	411	self encoderFor:'UTF-8'
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	412	"
14207 f80306416305 comment/format in: Claus Gittinger <cg@exept.de> parents: 14206 diff changeset	413
f80306416305 comment/format in: Claus Gittinger <cg@exept.de> parents: 14206 diff changeset	414	"Modified: / 12-07-2012 / 19:45:58 / cg"
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	415	"Modified: / 27-02-2017 / 16:47:40 / stefan"
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	416	!
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	417
8210 cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	418	encoderForUTF8
8211 c4377c6c20e4 * empty log message * Claus Gittinger <cg@exept.de> parents: 8210 diff changeset	419	"return an encoder-instance which can map unicode into/from utf8"
c4377c6c20e4 * empty log message * Claus Gittinger <cg@exept.de> parents: 8210 diff changeset	420
8210 cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	421	^ self encoderFor:#utf8
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	422
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	423	"
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	424	self encoderForUTF8'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	425	"
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	426
c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	427	"Modified (comment): / 27-02-2017 / 16:06:20 / stefan"
8210 cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	428	!
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	429
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	430	encoderToEncodeFrom:oldEncodingArg into:newEncodingArg
8135 f22398526ae2 * empty log message * Claus Gittinger <cg@exept.de> parents: 8134 diff changeset	431	\|oldEncoding newEncoding encoders encoderClasses encoder decoder clsName cls\|
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	432
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	433	oldEncoding := oldEncodingArg ? #unicode.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	434	oldEncoding == #'iso10646-1' ifTrue:[ oldEncoding := #unicode].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	435	newEncoding := newEncodingArg ? #unicode.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	436	newEncoding == #'iso10646-1' ifTrue:[ newEncoding := #unicode].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	437
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	438	oldEncoding = newEncoding ifTrue:[^ NullEncoderInstance].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	439	(oldEncoding match:newEncoding) ifTrue:[^ NullEncoderInstance].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	440
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	441	(oldEncoding = #unicode) ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	442	"/ something -> unicode
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	443	^ self encoderFor:newEncoding.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	444	].
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	445
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	446	oldEncoding := oldEncoding asSymbol.
c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	447	newEncoding := newEncoding asSymbol.
8120 bafc72f60618 * empty log message * Claus Gittinger <cg@exept.de> parents: 8119 diff changeset	448
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	449	AccessLock critical:[
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	450	encoders := EncodersByName at:oldEncoding ifAbsentPut:[Dictionary new].
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	451	encoder := encoders at:newEncodingArg ifAbsent:nil.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	452	encoder isNil ifTrue:[
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	453	encoderClasses := self encoderClassesByName at:oldEncoding ifAbsentPut:[Dictionary new].
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	454	clsName := encoderClasses at:newEncoding ifAbsent:nil.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	455	clsName notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	456	clsName isBehavior ifTrue:[
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	457	cls := clsName
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	458	] ifFalse:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	459	cls := CharacterEncoderImplementations at:clsName.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	460	]
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	461	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	462	].
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	463	].
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	464	cls notNil ifTrue:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	465	encoder := cls new.
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	466	].
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	467
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	468	encoder isNil ifTrue:[
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	469	(newEncoding == #unicode) ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	470	"/ something -> unicode
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	471	decoder := self encoderFor:oldEncoding.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	472	encoder := InverseEncoder new decoder:decoder.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	473	] ifFalse:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	474	"/ do it as: oldEncoding -> unicode -> newEncoding
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	475
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	476	"/ something -> unicode
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	477	decoder := self encoderFor:oldEncoding.
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	478
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	479	"/ unicode -> something
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	480	encoder := self encoderFor:newEncoding.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	481	encoder := CompoundEncoder new encoder:encoder decoder:decoder.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	482	].
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	483	].
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	484
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	485	AccessLock critical:[
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	486	(EncodersByName at:oldEncoding) at:newEncoding put:encoder
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	487	].
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	488	^ encoder
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	489
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	490	"
c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	491	CharacterEncoder initialize
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	492	CharacterEncoder encoderToEncodeFrom:#'latin1' into:#'jis7'
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	493	CharacterEncoder encoderToEncodeFrom:#'koi8-r' into:#'mac-cyrillic'
8087 0a2ee76bcf55 last version before separating into extra classes Claus Gittinger <cg@exept.de> parents: 8062 diff changeset	494	CharacterEncoder encoderToEncodeFrom:#'ms-arabic' into:#'mac-arabic'
0a2ee76bcf55 last version before separating into extra classes Claus Gittinger <cg@exept.de> parents: 8062 diff changeset	495	CharacterEncoder encoderToEncodeFrom:#'iso8859-5' into:#'koi8-r'
0a2ee76bcf55 last version before separating into extra classes Claus Gittinger <cg@exept.de> parents: 8062 diff changeset	496	CharacterEncoder encoderToEncodeFrom:#'koi8-r' into:#'koi8-u'
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	497	"
14207 f80306416305 comment/format in: Claus Gittinger <cg@exept.de> parents: 14206 diff changeset	498
f80306416305 comment/format in: Claus Gittinger <cg@exept.de> parents: 14206 diff changeset	499	"Modified: / 12-07-2012 / 19:45:15 / cg"
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	500	"Modified: / 27-02-2017 / 16:49:14 / stefan"
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	501	! !
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	502
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	503	!CharacterEncoder class methodsFor:'Compatibility-ST80'!
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	504
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	505	encoderNamed: encoderName
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	506	"/ q & d hack
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	507
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	508	encoderName == #default ifTrue:[
11262 5de131eaba9e changed #classMenuCompareTwoRepositoryVersions Claus Gittinger <cg@exept.de> parents: 11228 diff changeset	509	^ DefaultEncoder new
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	510	].
11262 5de131eaba9e changed #classMenuCompareTwoRepositoryVersions Claus Gittinger <cg@exept.de> parents: 11228 diff changeset	511	self halt:'should not be reached'.
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	512	^ self new
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	513	!
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	514
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	515	platformName
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	516	^ OperatingSystem platformName
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	517
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	518	"Created: 20.6.1997 / 17:34:03 / cg"
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	519	"Modified: 20.6.1997 / 17:38:40 / cg"
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	520	! !
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	521
11316 0b2757774461 access method #nullEncoderInstance Stefan Vogel <sv@exept.de> parents: 11300 diff changeset	522	!CharacterEncoder class methodsFor:'accessing'!
0b2757774461 access method #nullEncoderInstance Stefan Vogel <sv@exept.de> parents: 11300 diff changeset	523
0b2757774461 access method #nullEncoderInstance Stefan Vogel <sv@exept.de> parents: 11300 diff changeset	524	nullEncoderInstance
0b2757774461 access method #nullEncoderInstance Stefan Vogel <sv@exept.de> parents: 11300 diff changeset	525	^ NullEncoderInstance
0b2757774461 access method #nullEncoderInstance Stefan Vogel <sv@exept.de> parents: 11300 diff changeset	526	! !
0b2757774461 access method #nullEncoderInstance Stefan Vogel <sv@exept.de> parents: 11300 diff changeset	527
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	528	!CharacterEncoder class methodsFor:'class initialization'!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	529
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	530	encoderClassesByName
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	531	EncoderClassesByName isNil ifTrue:[
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	532	self initializeEncoderClassesByName
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	533	].
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	534	^ EncoderClassesByName
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	535	!
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	536
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	537	initialize
17529 e98cd0dd77a6 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17520 diff changeset	538	AccessLock notNil ifTrue:[^ self]. "/ already initialized
e98cd0dd77a6 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17520 diff changeset	539
22187 39cff5666d22 #TUNING by stefan Stefan Vogel <sv@exept.de> parents: 21723 diff changeset	540	AccessLock := RecursionLock name:'CharacterEncoder'.
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	541	NullEncoderInstance := NullEncoder new.
7973 6dea491d56f7 * empty log message * Claus Gittinger <cg@exept.de> parents: 7972 diff changeset	542
8126 33f9c4850e84 * empty log message * Claus Gittinger <cg@exept.de> parents: 8122 diff changeset	543	EncodersByName := Dictionary new.
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	544	CachedEncoders := Dictionary new.
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	545
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	546	self initializeEncoderClassesByName.
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	547
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	548	"
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	549	self initialize
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	550	"
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	551
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	552	"Modified: / 01-04-2011 / 14:30:06 / cg"
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	553	"Modified (format): / 23-01-2013 / 09:56:53 / Jan Vrany <jan.vrany@fit.cvut.cz>"
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	554	"Modified: / 27-02-2017 / 15:43:56 / stefan"
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	555	!
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	556
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	557	initializeEncoderClassesByName
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	558	"initialize the dictionary which maps commonly used names
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	559	to encoder classes.
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	560	This is done, because some encodings come along
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	561	with different names"
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	562
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	563	\|ud\|
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	564
8126 33f9c4850e84 * empty log message * Claus Gittinger <cg@exept.de> parents: 8122 diff changeset	565	EncoderClassesByName := Dictionary new.
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	566
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	567	EncoderClassesByName at:#'unicode' put:(ud := Dictionary new:237).
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	568	ud at:#'fontspecific' put:NullEncoder.
8154 87ec7c3be46a * empty log message * ca parents: 8153 diff changeset	569	ud at:#'adobe-fontspecific' put:NullEncoder.
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	570	ud at:#'ms-oem' put:NullEncoder.
2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	571	ud at:#'ms-default' put:NullEncoder.
8152 e07693c46cf5 * empty log message * ca parents: 8151 diff changeset	572
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	573	"/ className decoded-name array-of-encodingNames
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	574	#(
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	575	(ASCII unicode ( ascii 'us-ascii' 'iso-ir-6' 'ibm-367' 'ms-cp367' 'cp367' 'iso646-us' 'ibm-cp367' 'ansi_x3.4-1968' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	576
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	577	(BIG5 unicode ( big5 ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	578
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	579	(CNS11643 unicode ( 'cns11643' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	580
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	581	(CP437 unicode ( 'cp437' 'cp-437' 'ibm-437' 'ms-cp437' 'microsoft-cp437' 'ibm-cp437' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	582
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	583	(EBCDIC unicode ( 'ebcdic' ))
13063 a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	584
16054 171c7f8b4547 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 15966 diff changeset	585	"/ (GB2313_1980 unicode ( 'gb2313' 'gb2313-1980' ))
171c7f8b4547 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 15966 diff changeset	586
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	587	(GB2312_1980_0 unicode ( 'gb2312' 'gb2312.1980' 'gb2312.1980-0'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	588
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	589	(HANGUL unicode ( 'hangul' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	590
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	591	(ISO10646_1 unicode ( unicode 'iso10646_1' 'iso10646-1' 'iso-10646-1' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	592
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	593	(ISO10646_to_UTF8 unicode ( utf8 'utf-8' ))
2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	594	(ISO10646_to_UTF16BE unicode ( utf16b utf16be 'utf-16b' 'utf-16be' ))
2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	595	(ISO10646_to_UTF16LE unicode ( utf16l utf16le 'utf-16e' 'utf-16le' ))
17491 6462f81e6623 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17118 diff changeset	596
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	597	(ISO10646_to_UTF8_MAC unicode ( 'utf8-mac' 'utf-8-mac' ))
2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	598	(ISO10646_to_XMLUTF8 unicode ( 'utf8-XML' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	599
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	600	(ISO8859_1 unicode ( 'iso8859_1' 'iso8859-1' 'iso-8859-1' 'latin-1' 'latin1' 'iso-ir-100' 'ibm-819' 'ms-cp819' 'ibm-cp819' 'iso8859'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	601
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	602	(ISO8859_2 unicode ( 'iso8859_2' 'iso8859-2' 'iso-8859-2' 'latin2' 'latin-2' 'iso-ir-101'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	603
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	604	(ISO8859_3 unicode ( 'iso8859_3' 'iso8859-3' 'iso-8859-3' 'latin3' 'latin-3' 'iso-ir-109'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	605
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	606	(ISO8859_4 unicode ( 'iso8859_4' 'iso8859-4' 'iso-8859-4' 'latin4' 'latin-4' 'iso-ir-110'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	607
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	608	(ISO8859_5 unicode ( 'iso8859_5' 'iso8859-5' 'iso-8859-5' 'cyrillic' 'iso-ir-144' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	609
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	610	(ISO8859_6 unicode ( 'iso8859_6' 'iso8859-6' 'iso-8859-6' 'arabic' 'asmo-708' 'ecma-114' 'iso-ir-127' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	611
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	612	(ISO8859_7 unicode ( 'iso8859_7' 'iso8859-7' 'iso-8859-7' 'greek' 'iso-ir-126' 'ecma-118'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	613
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	614	(ISO8859_8 unicode ( 'iso8859_8' 'iso8859-8' 'iso-8859-8' 'hebrew' 'iso-ir-138' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	615
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	616	(ISO8859_9 unicode ( 'iso8859_9' 'iso8859-9' 'iso-8859-9' 'latin5' 'latin-5' 'iso-ir-148'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	617
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	618	(ISO8859_10 unicode ( 'iso8859_10' 'iso8859-10' 'iso-8859-10' 'latin6' 'latin-6' 'iso-ir-157'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	619
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	620	(ISO8859_11 unicode ( 'iso8859_11' 'iso8859-11' 'iso-8859-11' 'thai' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	621
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	622	(ISO8859_13 unicode ( 'iso8859_13' 'iso8859-13' 'iso-8859-13' 'latin7' 'latin-7' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	623
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	624	(ISO8859_14 unicode ( 'iso8859_14' 'iso8859-14' 'iso-8859-14' 'latin8' 'latin-8' 'latin-celtic' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	625
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	626	(ISO8859_15 unicode ( 'iso8859_15' 'iso8859-15' 'iso-8859-15' 'latin9' 'latin-9' 'iso-ir-203'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	627
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	628	(ISO8859_16 unicode ( 'iso8859_16' 'iso8859-16' 'iso-8859-16' 'latin10' 'latin-10' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	629
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	630	(JIS0201 unicode ( 'jis0201' #'jisx0201.1976-0'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	631
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	632	(JIS0208 unicode ( jis0208 'jisx0208' 'jisx0208.1983-0' 'jisx0208.1990-0'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	633
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	634	(JIS0208_to_JIS7 jis0208 ( jis7 'jis-7' 'x-jis7' 'x-iso2022-jp' 'iso2022-jp'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	635
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	636	(JIS0208_to_EUC jis0208 ( euc #'x-euc-jp' ))
8122 29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	637
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	638	(JIS0208_to_SJIS jis0208 ( 'sjis' 'shiftjis' 'x-sjis' #'x-shift-jis' #'shift-jis'))
8176 66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	639
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	640	(JIS0212 unicode ( 'jis0212' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	641
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	642	(JOHAB unicode ( 'johab' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	643
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	644	(KOI7 unicode ( 'koi7' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	645
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	646	(KOI8_R unicode ( #'koi8-r' 'cp878' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	647
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	648	(KOI8_U unicode ( #'koi8-u' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	649
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	650	(KSC5601 unicode ( #'ksc5601' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	651
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	652	(MAC_Arabic unicode ( #'mac-arabic' 'macarabic' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	653
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	654	(MAC_CentralEuropean unicode ( #'mac-centraleuropean' #'mac-centraleurope' 'maccentraleurope' 'maccentraleuropean' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	655
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	656	(MAC_Croatian unicode ( #'mac-croatian' 'maccroatian'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	657
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	658	(MAC_Cyrillic unicode ( #'mac-cyrillic' 'maccyrillic' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	659
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	660	(MAC_Dingbats unicode ( #'mac-dingbats' 'macdingbats' 'macdingbat'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	661
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	662	(MAC_Farsi unicode ( #'mac-farsi' 'macfarsi' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	663
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	664	(MAC_Greek unicode ( #'mac-greek' #'macgreek' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	665
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	666	(MAC_Hebrew unicode ( #'mac-hebrew' #'machebrew' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	667
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	668	(MAC_Iceland unicode ( #'mac-iceland' #'maciceland' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	669
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	670	(MAC_Japanese unicode ( #'mac-japanese' #'macjapanese' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	671
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	672	(MAC_Korean unicode ( #'mac-korean' #'mackorean' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	673
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	674	(MAC_Roman unicode ( #'mac-roman' #'macroman' 'macintosh' 'cp10000' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	675
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	676	(MAC_Romanian unicode ( #'mac-romanian' #'macromanian' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	677
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	678	(MAC_Symbol unicode ( #'mac-symbol' #'macsymbol' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	679
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	680	(MAC_Thai unicode ( #'mac-thai' #'macthai' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	681
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	682	(MAC_Turkish unicode ( #'mac-turkish' #'macturkish' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	683
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	684	(MS_Ansi unicode ( #'ms-ansi' 'ms-cp1252' 'microsoft-cp1252' 'cp1252' 'microsoft-ansi' 'windows-1252' 'windows-latin1'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	685
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	686	(MS_Arabic unicode ( 'ms-arabic' 'ms-cp1256' 'microsoft-cp1256' 'cp1256' 'microsoft-arabic' 'windows-1256' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	687
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	688	(MS_Baltic unicode ( 'ms-baltic' 'ms-cp1257' 'microsoft-cp1257' 'cp1257' 'microsoft-baltic' 'windows-1257' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	689
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	690	(MS_Cyrillic unicode ( 'ms-cyrillic' 'ms-cp1251' 'microsoft-cp1251' 'cp1251' 'microsoft-cyrillic' 'windows-1251' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	691
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	692	(MS_EastEuropean unicode ( 'ms-easteuropean' 'ms-ee' 'cp1250' 'ms-cp1250' 'microsoft-cp1250' 'microsoft-easteuropean' 'windows-1250' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	693
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	694	(MS_Greek unicode ( 'ms-greek' 'ms-cp1253' 'microsoft-cp1253' 'cp1253' 'microsoft-greek' 'windows-1253' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	695
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	696	(MS_Hebrew unicode ( 'ms-hebrew' 'ms-cp1255' 'microsoft-cp1255' 'cp1255' 'microsoft-hebrew' 'windows-1255' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	697
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	698	"/ (MS_Symbol unicode ( 'ms-symbol' 'microsoft-symbol' ))
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	699
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	700	(MS_Turkish unicode ( 'ms-turkish' 'ms-cp1254' 'microsoft-cp1254' 'cp1254' 'microsoft-turkish' 'windows-1254' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	701
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	702	(NEXT unicode ( 'next' 'nextstep' ))
8186 ae97115c26f5 * empty log message * Claus Gittinger <cg@exept.de> parents: 8176 diff changeset	703
10111 7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	704	(ISO10646_to_SGML unicode ( 'sgml' ))
7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	705	(ISO10646_to_JavaText unicode ( 'java' 'javaText' ))
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	706
21723 1ea8471bc9eb #FEATURE by cg Claus Gittinger <cg@exept.de> parents: 21714 diff changeset	707	"/ (AdobeStandard unicode ( 'Adobe Standard' 'AdobeStandard' 'Adobe' 'adobe-standard' ))
1ea8471bc9eb #FEATURE by cg Claus Gittinger <cg@exept.de> parents: 21714 diff changeset	708	"/ (AdobeSymbol unicode ( 'Adobe Symbol' 'AdobeSymbol' 'Symbol' 'adobe-symbol' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	709	) triplesDo:[:className :decodesTo :encodesTo \|
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	710	\|decodesToDict\|
8134 0296806cb4bb * empty log message * Claus Gittinger <cg@exept.de> parents: 8132 diff changeset	711
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	712	"/ notice that the encoders are not yet installed as autoloaded.
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	713	"/ Therefore, we remember their names here.
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	714	decodesToDict := EncoderClassesByName at:decodesTo ifAbsentPut:[Dictionary new].
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	715	encodesTo do:[:eachEncodingAlias \|
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	716	decodesToDict at:eachEncodingAlias put:className ifPresent:[self halt:'conflicting alias'].
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	717	].
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	718	].
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	719
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	720	"
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	721	self initializeEncoderClassesByName
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	722	"
10111 7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	723
13326 41549853fc87 changed: #initialize Claus Gittinger <cg@exept.de> parents: 13325 diff changeset	724	"Modified: / 01-04-2011 / 14:30:06 / cg"
15966 72f3e3a9ba29 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 15609 diff changeset	725	"Modified (format): / 23-01-2013 / 09:56:53 / Jan Vrany <jan.vrany@fit.cvut.cz>"
21602 c63ec4a97409 Remove dependeny of UnixOperatingSystem Stefan Vogel <sv@exept.de> parents: 21471 diff changeset	726	"Modified: / 27-02-2017 / 16:17:43 / stefan"
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	727	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	728
8122 29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	729	!CharacterEncoder class methodsFor:'constants'!
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	730
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	731	jis7KanjiEscapeSequence
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	732	"return the escape sequence used to switch to kanji in jis7 encoded strings.
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	733	This happens to be the same as ISO2022-JP's escape sequence."
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	734
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	735	Jis7KanjiEscapeSequence isNil ifTrue:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	736	Jis7KanjiEscapeSequence := Character esc asString , '$B'.
8122 29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	737	].
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	738	^ Jis7KanjiEscapeSequence.
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	739
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	740	"Created: 26.2.1996 / 17:38:08 / cg"
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	741	"Modified: 30.6.1997 / 16:03:16 / cg"
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	742	!
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	743
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	744	jis7KanjiOldEscapeSequence
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	745	"return the escape sequence used to switch to kanji in some old jis7 encoded strings."
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	746
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	747	Jis7KanjiOldEscapeSequence isNil ifTrue:[
8856 cb0a15744854 * empty log message * Claus Gittinger <cg@exept.de> parents: 8855 diff changeset	748	Jis7KanjiOldEscapeSequence := Character esc asString , '$@'.
8122 29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	749	].
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	750	^ Jis7KanjiOldEscapeSequence.
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	751	!
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	752
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	753	jis7RomanEscapeSequence
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	754	"return the escape sequence used to switch to roman in jis7 encoded strings"
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	755
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	756	Jis7RomanEscapeSequence isNil ifTrue:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	757	Jis7RomanEscapeSequence := Character esc asString , '(J'.
8122 29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	758	].
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	759	^ Jis7RomanEscapeSequence.
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	760
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	761	"Created: 26.2.1996 / 17:38:08 / cg"
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	762	"Modified: 30.6.1997 / 16:03:16 / cg"
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	763	!
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	764
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	765	jisISO2022EscapeSequence
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	766	"return the escape sequence used to switch to kanji in iso2022 encoded strings"
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	767
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	768	JisISO2022EscapeSequence isNil ifTrue:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	769	JisISO2022EscapeSequence := Character esc asString , '&@' , Character esc asString , '$B'.
8122 29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	770	].
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	771	^ JisISO2022EscapeSequence.
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	772	! !
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	773
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	774	!CharacterEncoder class methodsFor:'encoding & decoding'!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	775
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	776	decode:aCodePoint
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	777	^ self new decode:aCodePoint
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	778	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	779
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	780	decodeString:aString
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	781	^ self new decodeString:aString
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	782	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	783
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	784	decodeString:aString from:oldEncoding
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	785	^ self encodeString:aString from:oldEncoding into:#'unicode'
7967 f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	786	!
f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	787
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	788	encode:aCodePoint
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	789	^ self new encode:aCodePoint
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	790
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	791	"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	792	ISO8859_1 encode:16r00FF
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	793	ISO8859_1 decodeString:'hello'
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	794	ISO8859_1 encodeString:(ISO8859_1 decodeString:'hello')
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	795
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	796	ISO8859_5 decodeString:(String
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	797	with:(Character value:16rE4)
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	798	with:(Character value:16rE0))
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	799	"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	800	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	801
7994 42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	802	encode:codePoint from:oldEncodingArg into:newEncodingArg
8015 e85b0c11e871 caching encoders Claus Gittinger <cg@exept.de> parents: 7994 diff changeset	803	\|oldEncoding newEncoding encoder\|
7994 42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	804
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	805	oldEncoding := oldEncodingArg ? #'unicode'.
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	806	oldEncoding == #'iso10646-1' ifTrue:[ oldEncoding := #'unicode'].
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	807	newEncoding := newEncodingArg ? #'unicode'.
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	808	newEncoding == #'iso10646-1' ifTrue:[ newEncoding := #'unicode'].
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	809
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	810	oldEncoding == newEncoding ifTrue:[^ codePoint].
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	811
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	812	oldEncoding == #'unicode' ifTrue:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	813	newEncoding == #'iso8859-1' ifTrue:[
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	814	codePoint <= 16rFF ifTrue:[
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	815	^ codePoint
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	816	]
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	817	]
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	818	].
6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	819	newEncoding == #'unicode' ifTrue:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	820	oldEncoding == #'iso8859-1' ifTrue:[
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	821	codePoint <= 16rFF ifTrue:[
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	822	^ codePoint
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	823	]
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	824	]
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	825	].
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	826	encoder := self encoderToEncodeFrom:oldEncoding into:newEncoding.
8015 e85b0c11e871 caching encoders Claus Gittinger <cg@exept.de> parents: 7994 diff changeset	827	^ encoder encode:codePoint.
7994 42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	828	!
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	829
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	830	encodeString:aUnicodeString
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	831	"given a string in unicode, return a string in my encoding for it"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	832
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	833	^ self new encodeString:aUnicodeString
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	834
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	835	"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	836	ISO8859_1 decodeString:'hello'
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	837	"
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	838	!
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	839
7967 f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	840	encodeString:aString from:oldEncodingArg into:newEncodingArg
8015 e85b0c11e871 caching encoders Claus Gittinger <cg@exept.de> parents: 7994 diff changeset	841	\|oldEncoding newEncoding encoder\|
7967 f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	842
14916 d81790d8f204 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 14777 diff changeset	843	"/ some hard coded aliases
7967 f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	844	oldEncoding := oldEncodingArg ? #'unicode'.
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	845	oldEncoding == #'iso10646-1' ifTrue:[ oldEncoding := #'unicode'].
14916 d81790d8f204 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 14777 diff changeset	846	oldEncoding == #'ms-default' ifTrue:[ oldEncoding := #'unicode'].
d81790d8f204 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 14777 diff changeset	847
7967 f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	848	newEncoding := newEncodingArg ? #'unicode'.
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	849	newEncoding == #'iso10646-1' ifTrue:[ newEncoding := #'unicode'].
14916 d81790d8f204 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 14777 diff changeset	850	newEncoding == #'ms-default' ifTrue:[ newEncoding := #'unicode'].
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	851
7967 f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	852	oldEncoding == newEncoding ifTrue:[^ aString].
f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	853
14916 d81790d8f204 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 14777 diff changeset	854	"/ for single-byte strings, iso8859-1 and unicode (up to FF) have the same encoding
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	855	oldEncoding == #'unicode' ifTrue:[
14916 d81790d8f204 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 14777 diff changeset	856	(newEncoding == #'iso8859-1') ifTrue:[
14559 9a046528632d class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 14523 diff changeset	857	aString isWideString ifFalse:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	858	^ aString
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	859	]
14916 d81790d8f204 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 14777 diff changeset	860	].
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	861	].
6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	862	newEncoding == #'unicode' ifTrue:[
14916 d81790d8f204 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 14777 diff changeset	863	(oldEncoding == #'iso8859-1') ifTrue:[
14559 9a046528632d class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 14523 diff changeset	864	aString isWideString ifFalse:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	865	^ aString
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	866	]
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	867	]
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	868	].
6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	869
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	870	encoder := self encoderToEncodeFrom:oldEncoding into:newEncoding.
8015 e85b0c11e871 caching encoders Claus Gittinger <cg@exept.de> parents: 7994 diff changeset	871	^ encoder encodeString:aString.
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	872	!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	873
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	874	encodeString:aString into:newEncoding
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	875	^ self encodeString:aString from:#'unicode' into:newEncoding
13063 a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	876
a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	877	"
a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	878	self encodeString:'hello' into:#ebcdic
a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	879
a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	880	self encodeString:(self encodeString:'hello' into:#ebcdic) from:#ebcdic into:#ascii
a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	881	self encodeString:(self encodeString:'hello' into:#ebcdic) from:#ebcdic into:#unicode
a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	882	"
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	883	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	884
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	885	!CharacterEncoder class methodsFor:'private'!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	886
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	887	flushCode
8127 7531ed2cdf35 * empty log message * Claus Gittinger <cg@exept.de> parents: 8126 diff changeset	888	self initialize.
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	889
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	890	self isAbstract ifFalse:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	891	(self mapFileURL1_relativePathName notNil
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	892	or:[ self mapFileURL2_relativePathName notNil]) ifTrue:[
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	893	self class removeSelector:#mapping.
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	894	].
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	895	].
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	896
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	897	"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	898	self flushCode
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	899	"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	900	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	901
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	902	!CharacterEncoder class methodsFor:'private-mapping setup'!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	903
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	904	generateCode
7909 a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	905	(CharacterEncoderCodeGenerator new targetClass:self) generateCode.
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	906	!
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	907
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	908	generateSubclassCode
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	909	(CharacterEncoderCodeGenerator new targetClass:self) generateSubclassCode.
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	910	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	911
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	912	mapFileURL1_codeColumn
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	913	^ 1
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	914	!
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	915
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	916	mapFileURL1_relativePathName
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	917	"must be redefined in concrete subclass(es)"
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	918
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	919	^ nil
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	920	!
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	921
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	922	mapFileURL2_relativePathName
21711 2020534180c5 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 21602 diff changeset	923	"must be redefined in concrete subclass(es)"
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	924
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	925	^ nil
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	926	!
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	927
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	928	mappingURL1
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	929	\|rel\|
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	930
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	931	rel := self mapFileURL1_relativePathName.
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	932	rel isNil ifTrue:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	933	^ nil
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	934	].
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	935	^ 'http://www.unicode.org/Public/MAPPINGS/' , rel
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	936	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	937
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	938	mappingURL2
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	939	\|rel\|
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	940
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	941	rel := self mapFileURL2_relativePathName.
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	942	rel isNil ifTrue:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	943	^ nil
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	944	].
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	945	^ 'http://std.dkuug.dk/i18n/charmaps/' , rel
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	946	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	947
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	948	!CharacterEncoder class methodsFor:'queries'!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	949
19465 83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	950	isAbstract
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	951	"Return if this class is an abstract class.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	952	True is returned for CharacterEncoder here; false for subclasses.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	953	Abstract subclasses must redefine this again."
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	954
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	955	^ self == CharacterEncoder
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	956	!
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	957
7938 a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	958	isEncoding:subSetEncodingArg subSetOf:superSetEncodingArg
7994 42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	959	"return true, if superSetEncoding encoding includes all characters of subSetEncoding.
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	960	(this means: characters are included - not that they have the same encoding)"
7938 a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	961
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	962	\|subSetEncoding superSetEncoding\|
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	963
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	964	subSetEncodingArg = superSetEncodingArg ifTrue:[^ true].
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	965	subSetEncoding := subSetEncodingArg asLowercase.
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	966	superSetEncoding := superSetEncodingArg asLowercase.
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	967
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	968	(subSetEncoding match:superSetEncoding) ifTrue:[^ true].
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	969
8214 406c7fc10e12 assume ms-ansi is same as unicode Claus Gittinger <cg@exept.de> parents: 8211 diff changeset	970	(('iso10646*' match:superSetEncoding)
406c7fc10e12 assume ms-ansi is same as unicode Claus Gittinger <cg@exept.de> parents: 8211 diff changeset	971	or:[superSetEncoding = 'unicode'
406c7fc10e12 assume ms-ansi is same as unicode Claus Gittinger <cg@exept.de> parents: 8211 diff changeset	972	or:[superSetEncoding = 'ms-ansi']]) ifTrue:[
406c7fc10e12 assume ms-ansi is same as unicode Claus Gittinger <cg@exept.de> parents: 8211 diff changeset	973	"/ assume that any character is in unicode
406c7fc10e12 assume ms-ansi is same as unicode Claus Gittinger <cg@exept.de> parents: 8211 diff changeset	974	^ true.
7938 a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	975	].
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	976
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	977	"/ if the subSet is iso8859-*, that means ascii (i.e. the lower 7 bits of iso8859 only).
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	978	((subSetEncoding = 'iso8859') or:[subSetEncoding = 'iso8859-']) ifTrue:[
8168 8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	979	('ascii*' match:superSetEncoding) ifTrue:[^ true].
8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	980	('ms-ansi*' match:superSetEncoding) ifTrue:[^ true].
7938 a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	981	].
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	982	(subSetEncoding = 'ascii') ifTrue:[
8168 8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	983	('iso8859*' match:superSetEncoding) ifTrue:[^ true].
8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	984	('ms-ansi*' match:superSetEncoding) ifTrue:[^ true].
7938 a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	985	].
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	986
7923 e8286ccdf20c * empty log message * Claus Gittinger <cg@exept.de> parents: 7922 diff changeset	987	"/ TODO: check the charSets mappingTables...
e8286ccdf20c * empty log message * Claus Gittinger <cg@exept.de> parents: 7922 diff changeset	988	"/ self halt.
e8286ccdf20c * empty log message * Claus Gittinger <cg@exept.de> parents: 7922 diff changeset	989	^ false.
e8286ccdf20c * empty log message * Claus Gittinger <cg@exept.de> parents: 7922 diff changeset	990	!
e8286ccdf20c * empty log message * Claus Gittinger <cg@exept.de> parents: 7922 diff changeset	991
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	992	nameOfDecodedCode
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	993	"Most coders decode from their code into unicode / encode from unicode into their code.
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	994	There are a few exceptions to this, though - these must redefine this."
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	995
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	996	^ #'unicode'
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	997	!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	998
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	999	nameOfEncoding
7974 9905043988ee * empty log message * Claus Gittinger <cg@exept.de> parents: 7973 diff changeset	1000	^ (self nameWithoutPrefix asLowercase copyReplaceAll:$_ with:$-) asSymbol
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1001	!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1002
7959 0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1003	supportedExternalEncodings
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1004	"return an array of arrays containing the names of supported
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1005	encodings which are supported for external resources (i.e. files).
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1006	The first element contains the internally used symbolic name,
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1007	the second contains a user-readable string (description).
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1008	More than one external name may be mapped onto the same symbolic."
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1009
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1010	^ #(
8176 66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1011	('utf8' 'Unicode as 8Bit characters' )
8904 d358f0a17f07 utf16 support Claus Gittinger <cg@exept.de> parents: 8856 diff changeset	1012	('utf16BE' 'Unicode as 16Bit big-endian' )
d358f0a17f07 utf16 support Claus Gittinger <cg@exept.de> parents: 8856 diff changeset	1013	('utf16LE' 'Unicode as 16Bit little-endian' )
8176 66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1014	"/ ('utf7' 'Unicode as 7Bit characters' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1015	"/ nil
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1016	('ascii' 'Common 7bit subset of iso8859' )
14188 9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1017	('iso8859-1' 'Western' )
9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1018	('iso8859-2' 'Central European' )
9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1019	('iso8859-3' 'South European' )
9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1020	('iso8859-4' 'Baltic' )
8176 66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1021	('iso8859-5' 'Cyrillic' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1022	('iso8859-6' 'Arabic' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1023	('iso8859-7' 'Greek' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1024	('iso8859-8' 'Hebrew' )
14188 9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1025	('iso8859-15' 'Western with Euro' )
9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1026	('iso8859-16' 'South European with Euro' )
8176 66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1027	"/ nil
16522 36f64d703785 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 16054 diff changeset	1028	('macintosh' 'MAC Western' )
36f64d703785 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 16054 diff changeset	1029	"/ nil
8176 66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1030	('koi7' 'Cyrillic (Old)' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1031	('koi8-r' 'Cyrillic' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1032	('koi8-u' 'Cyrillic (Ukraine)' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1033	"/ nil
14188 9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1034	('cp437' 'Windows US / codepage 437' )
9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1035	('cp850' 'Windows Latin1 / codepage 850' )
9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1036	('cp1250' 'Windows Latin2 / codepage 1250' )
9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1037	('cp1251' 'Windows Cyrillic / codepage 1251')
8176 66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1038	"/ ('mac' 'macintosh 8 bit' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1039	('next' 'NeXT 8 bit' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1040	"/ ('hp' 'hpux 8 bit' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1041	"/ nil
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1042	('euc' 'EUC - extended unix code (japanese)' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1043	('jis7' 'JIS7 - jis 7bit escape codes (japanese)' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1044	('iso-2022-jp' 'Same as jis 7bit' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1045	('sjis' 'SJIS - shift jis 8bit codes (japanese)' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1046	"/ nil
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1047	('gb' 'GB - mainland china' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1048	('big5' 'BIG5 - taiwan' )
7959 0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1049	"/ ('ksc' 'korean' )
8186 ae97115c26f5 * empty log message * Claus Gittinger <cg@exept.de> parents: 8176 diff changeset	1050	('sgml' 'SGML (XML/HTML) character escapes' )
10111 7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	1051	('java' 'JavaText (\uXXXX) character escapes' )
7959 0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1052	)
10111 7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	1053
7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	1054	"Modified: / 23-10-2006 / 13:27:48 / cg"
7959 0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1055	!
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1056
7947 16b2306f9bc9 utf8 - full 30 bit range Claus Gittinger <cg@exept.de> parents: 7942 diff changeset	1057	userFriendlyNameOfEncoding
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1058	^ self nameOfEncoding asUppercaseFirst
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1059	! !
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1060
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1061	!CharacterEncoder class methodsFor:'utilities'!
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1062
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1063	guessEncodingOfBuffer:buffer
19465 83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1064	"try to guess a string-buffer's encoding.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1065	Basically looks for a string of the form
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1066	encoding #name
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1067	or:
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1068	encoding: name
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1069	within the given buffer
19465 83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1070	(which is usually within the first few bytes of a textFile)."
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1071
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1072	buffer size < 4 ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1073	"not enough bytes to determine the contents"
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1074	^ nil.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1075	].
19465 83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1076	EncodingDetectors isNil ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1077	self initializeEncodingDetectors.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1078	].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1079	EncodingDetectors do:[:each \|
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1080	\|guess\|
10672 b6230a13035b #guessEncodingOfBuffer - do NOT handle encoding=utf8 Stefan Vogel <sv@exept.de> parents: 10111 diff changeset	1081
19465 83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1082	(guess := each value:buffer) notNil ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1083	^ guess
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1084	].
19465 83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1085	].
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1086	^ nil
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1087	!
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1088
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1089	guessEncodingOfFile:aFilename
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1090	"look for a string
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1091	encoding #name
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1092	or:
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1093	encoding: name
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1094	within the given buffer
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1095	(which is usually the first few bytes of a textFile).
20403 7f44b6aab60d #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 20227 diff changeset	1096	If that's not found, use heuristics (in CharacterArray) to guess.
18762 4b2d5801f66c #REFACTORING Stefan Vogel <sv@exept.de> parents: 18624 diff changeset	1097	Return a symbol like #utf8."
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1098
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1099	\|s buffer n "{Class: SmallInteger }"\|
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1100
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1101	s := aFilename asFilename readStreamOrNil.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1102	s isNil ifTrue:[^ nil].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1103
20645 51353c4d390c #FEATURE by cg Claus Gittinger <cg@exept.de> parents: 20403 diff changeset	1104	buffer := String new:512.
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1105	n := s nextBytes:buffer size into:buffer.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1106	s close.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1107
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1108	^ self guessEncodingOfBuffer:buffer.
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1109
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1110	"
14094 b4db3e0f0102 changed: Stefan Vogel <sv@exept.de> parents: 13382 diff changeset	1111	self guessEncodingOfFile:'../../libview/resources/de.rs' asFilename
b4db3e0f0102 changed: Stefan Vogel <sv@exept.de> parents: 13382 diff changeset	1112	self guessEncodingOfFile:'../../libview/resources/ru.rs' asFilename
b4db3e0f0102 changed: Stefan Vogel <sv@exept.de> parents: 13382 diff changeset	1113	self guessEncodingOfFile:'../../libview/resources/th.rs' asFilename
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1114	"
13382 8e998649b3ac changed: Claus Gittinger <cg@exept.de> parents: 13326 diff changeset	1115
8e998649b3ac changed: Claus Gittinger <cg@exept.de> parents: 13326 diff changeset	1116	"Modified: / 31-05-2011 / 15:45:19 / cg"
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1117	!
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1118
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1119	guessEncodingOfStream:aStream
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1120	"look for a string of the form
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1121	encoding #name
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1122	or:
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1123	encoding: name
18762 4b2d5801f66c #REFACTORING Stefan Vogel <sv@exept.de> parents: 18624 diff changeset	1124	in the first few bytes of aStream.
4b2d5801f66c #REFACTORING Stefan Vogel <sv@exept.de> parents: 18624 diff changeset	1125	Return a symbol like #utf8."
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1126
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1127	\|oldPosition buffer n\|
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1128
20645 51353c4d390c #FEATURE by cg Claus Gittinger <cg@exept.de> parents: 20403 diff changeset	1129	"/ must be able to position back
51353c4d390c #FEATURE by cg Claus Gittinger <cg@exept.de> parents: 20403 diff changeset	1130	aStream isPositionable ifFalse:[^ nil].
51353c4d390c #FEATURE by cg Claus Gittinger <cg@exept.de> parents: 20403 diff changeset	1131
51353c4d390c #FEATURE by cg Claus Gittinger <cg@exept.de> parents: 20403 diff changeset	1132	buffer := String new:512.
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1133
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1134	oldPosition := aStream position.
14094 b4db3e0f0102 changed: Stefan Vogel <sv@exept.de> parents: 13382 diff changeset	1135	n := aStream nextBytes:buffer size into:buffer.
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1136	aStream position:oldPosition.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1137
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1138	^ self guessEncodingOfBuffer:buffer
13382 8e998649b3ac changed: Claus Gittinger <cg@exept.de> parents: 13326 diff changeset	1139
8e998649b3ac changed: Claus Gittinger <cg@exept.de> parents: 13326 diff changeset	1140	"Modified: / 31-05-2011 / 15:45:23 / cg"
8810 8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1141	!
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1142
19465 83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1143	initializeEncodingDetectors
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1144	"setup the list of encoding detectors.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1145	This is a list of blocks, which get a buffer as argument,
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1146	and return an encoding symbol or nil.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1147	Can be customized for more detectors
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1148	(used to be hard-coded in guessEncodingOfBuffer:)"
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1149
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1150	EncodingDetectors := OrderedCollection new.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1151
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1152	"check for Unicode Byte Order Marks (BOM)"
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1153	EncodingDetectors
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1154	add:[:buffer \|
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1155	\|guess byte1 byte2\|
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1156
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1157	byte1 := (buffer at:1) codePoint.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1158	byte2 := (buffer at:2) codePoint.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1159	byte1 < 16rFE ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1160	(byte1 = 16rEF
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1161	and:[byte2 = 16rBB
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1162	and:[(buffer at:3) codePoint = 16rBF]]) ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1163	guess := #utf8
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1164	] ifFalse:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1165	(byte1 = 0
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1166	and:[byte2 = 0
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1167	and:[(buffer at:3) codePoint = 16rFE
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1168	and:[(buffer at:4) codePoint = 16rFF]]]) ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1169	"00-00-FE-FF big endian utf32"
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1170	guess := #utf32be
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1171	].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1172	]
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1173	] ifFalse:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1174	byte1 = 16rFF ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1175	byte2 = 16rFE ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1176	"FF-FE little endian utf16 or utf32"
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1177	((buffer at:3) codePoint = 0 and:[(buffer at:4) codePoint = 0]) ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1178	"FF-FE-00-00 little endian utf32"
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1179	guess := #utf32le.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1180	] ifFalse:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1181	guess := #utf16le
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1182	]
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1183	].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1184	] ifFalse:["byte1 = 16rFE"
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1185	"FE-FF big endian utf16"
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1186	byte2 = 16rFF ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1187	"big endian"
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1188	guess := #utf16be
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1189	].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1190	]
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1191	].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1192	guess
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1193	].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1194
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1195	"check for an inline encoding markup (charset= / encoding=) substring"
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1196	EncodingDetectors
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1197	add:[:buffer \|
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1198	\|guess lcBuffer quote peek\|
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1199
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1200	lcBuffer := buffer asLowercase.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1201
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1202	guess :=
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1203	#(charset encoding) doWithExit:[:keyWord :exit \|
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1204	\|encoderOrNil idx s w enc\|
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1205
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1206	guess isNil ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1207	(idx := lcBuffer findString:keyWord) ~~ 0 ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1208	s := ReadStream on:buffer.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1209	s position:idx-1.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1210	s skip:keyWord size.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1211	s skipSeparators.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1212
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1213	"do not include '=' here, otherwise
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1214	files containing xml code (<?xml charset='utf8'> will be parsed as UTF-8"
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1215
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1216	[':#=' includes:s peek] whileTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1217	s next.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1218	s skipSeparators.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1219	].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1220	s skipSeparators.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1221	('"''' includes:s peek) ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1222	quote := s next.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1223	w := s upTo:quote.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1224	] ifFalse:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1225	w := s upToElementForWhich:[:ch \| ch isSeparator or:[ch == $" or:[ch == $' or:[ch == $> ]]]].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1226	].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1227	w notNil ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1228	enc := w withoutQuotes.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1229	(enc startsWith:'x-') ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1230	enc := enc copyFrom:3.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1231	].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1232	encoderOrNil := self encoderFor:enc ifAbsent:nil.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1233	encoderOrNil notNil ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1234	exit value:(encoderOrNil nameOfEncoding)
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1235	].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1236	].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1237	].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1238	].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1239	nil
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1240	].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1241	guess
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1242	].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1243
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1244	"/ check for JIS7 encoding
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1245	EncodingDetectors
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1246	add:[:buffer \|
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1247	(buffer findString:self jisISO2022EscapeSequence) ~~ 0 ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1248	#'iso2020-jp'
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1249	] ifFalse:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1250	(buffer findString:self jis7KanjiEscapeSequence) ~~ 0 ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1251	#jis7
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1252	] ifFalse:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1253	(buffer findString:self jis7KanjiOldEscapeSequence) ~~ 0 ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1254	#jis7
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1255	] ifFalse:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1256	nil
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1257	]
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1258	]
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1259	]
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1260	].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1261
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1262	"/ TODO: look for EUC, SJIS etc.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1263	"/ Disabled, due to too many false positives.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1264	"/ if required, think about it, fix it and uncomment it
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1265	"/ EncodingDetectors
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1266	"/ add:[:buffer \|
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1267	"/ \|guess idx\|
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1268	"/
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1269	"/ idx := buffer
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1270	"/ findFirst:[:char \|
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1271	"/ \|code\|
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1272	"/ code := char codePoint.
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1273	"/ code between:16rA1 and: 16rFE
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1274	"/ ].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1275	"/ ((idx ~~ 0)
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1276	"/ and:[ (buffer at:(idx + 1)) codePoint between:16rA1 and: 16rFE ])
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1277	"/ ifTrue:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1278	"/ guess := #euc
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1279	"/ ] ifFalse:[
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1280	"/ "/ look for SJIS ...
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1281	"/ ]
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1282	"/ ].
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1283	!
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1284
8810 8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1285	showCharacterSet
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1286	\|font\|
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1287
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1288	font := View defaultFont.
14206 70aa64d89dca comment/format in: #showCharacterSet Stefan Vogel <sv@exept.de> parents: 14188 diff changeset	1289	"/ font := (Font family:'courier' face:'medium' style:'roman' size:12 encoding:'iso10646-1').
8810 8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1290
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1291	CharacterSetView
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1292	openOn:font
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1293	label:'Characters of ',self nameWithoutPrefix
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1294	clickLabel:nil
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1295	asInputFor:nil
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1296	encoder:self
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1297
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1298	"
14206 70aa64d89dca comment/format in: #showCharacterSet Stefan Vogel <sv@exept.de> parents: 14188 diff changeset	1299	CharacterEncoderImplementations::MS_Ansi showCharacterSet
19465 83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1300	CharacterEncoderImplementations::ISO8859_1 showCharacterSet
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1301	CharacterEncoderImplementations::ISO8859_2 showCharacterSet
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1302	CharacterEncoderImplementations::ISO8859_3 showCharacterSet
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1303	CharacterEncoderImplementations::ISO8859_4 showCharacterSet
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1304	CharacterEncoderImplementations::ISO8859_5 showCharacterSet
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1305	CharacterEncoderImplementations::ISO8859_6 showCharacterSet
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1306	CharacterEncoderImplementations::ISO8859_7 showCharacterSet
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1307	CharacterEncoderImplementations::ISO8859_8 showCharacterSet
83cd3327e4c4 #DOCUMENTATION Claus Gittinger <cg@exept.de> parents: 18762 diff changeset	1308	CharacterEncoderImplementations::ISO8859_9 showCharacterSet
8810 8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1309	"
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1310	! !
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1311
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1312	!CharacterEncoder methodsFor:'encoding & decoding'!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1313
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1314	decode:anEncoding
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1315	"given an integer in my encoding, return a unicode codePoint for it"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1316
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1317	self subclassResponsibility
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1318	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1319
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1320	decodeString:anEncodedString
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1321	"given a string in my encoding, return a unicode-string for it"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1322
8150 ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1323	\|newString myCode uniCodePoint bits\|
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1324
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1325	newString := String new:(anEncodedString size).
8150 ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1326	bits := newString bitsPerCharacter.
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1327
8150 ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1328	1 to:anEncodedString size do:[:idx \|
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1329	uniCodePoint := (anEncodedString at:idx) codePoint.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1330	myCode := self decode:uniCodePoint.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1331	myCode > 16rFF ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1332	myCode > 16rFFFF ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1333	bits < 32 ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1334	newString := Unicode32String fromString:newString.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1335	bits := 32.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1336	]
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1337	] ifFalse:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1338	bits < 16 ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1339	newString := Unicode16String fromString:newString.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1340	bits := 16.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1341	]
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1342	]
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1343	].
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1344	newString at:idx put:(Character value:myCode).
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1345	].
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1346	^ newString
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1347
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1348	"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1349	ISO8859_1 decodeString:'hello'
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1350	"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1351	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1352
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1353	encode:aCodePoint
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1354	"given a codePoint in unicode, return a byte in my encoding for it"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1355
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1356	self subclassResponsibility
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1357	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1358
21471 bbf99c77f552 #FEATURE by stefan Stefan Vogel <sv@exept.de> parents: 21138 diff changeset	1359	encodeCharacter:aUnicodeCharacter on:aStream
bbf99c77f552 #FEATURE by stefan Stefan Vogel <sv@exept.de> parents: 21138 diff changeset	1360	"given a character in unicode, encode it onto aStream.
bbf99c77f552 #FEATURE by stefan Stefan Vogel <sv@exept.de> parents: 21138 diff changeset	1361	Subclasses can redefine this to avoid allocating many new string instances."
bbf99c77f552 #FEATURE by stefan Stefan Vogel <sv@exept.de> parents: 21138 diff changeset	1362
bbf99c77f552 #FEATURE by stefan Stefan Vogel <sv@exept.de> parents: 21138 diff changeset	1363	aStream nextPutAll:(self encodeString:aUnicodeCharacter asString).
bbf99c77f552 #FEATURE by stefan Stefan Vogel <sv@exept.de> parents: 21138 diff changeset	1364
bbf99c77f552 #FEATURE by stefan Stefan Vogel <sv@exept.de> parents: 21138 diff changeset	1365	"Created: / 16-02-2017 / 16:18:33 / stefan"
bbf99c77f552 #FEATURE by stefan Stefan Vogel <sv@exept.de> parents: 21138 diff changeset	1366	"Modified (comment): / 16-02-2017 / 20:41:18 / stefan"
bbf99c77f552 #FEATURE by stefan Stefan Vogel <sv@exept.de> parents: 21138 diff changeset	1367	!
bbf99c77f552 #FEATURE by stefan Stefan Vogel <sv@exept.de> parents: 21138 diff changeset	1368
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1369	encodeString:aUnicodeString
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1370	"given a string in unicode, return a string in my encoding for it"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1371
18624 1f113cce940e class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 18305 diff changeset	1372	\|newString myCode uniCodePoint bits
1f113cce940e class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 18305 diff changeset	1373	stringSize "{ Class: SmallInteger }"\|
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1374
18624 1f113cce940e class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 18305 diff changeset	1375	stringSize := aUnicodeString size.
1f113cce940e class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 18305 diff changeset	1376	newString := String new:stringSize.
8150 ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1377	bits := newString bitsPerCharacter.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1378
18624 1f113cce940e class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 18305 diff changeset	1379	1 to:stringSize do:[:idx \|
8150 ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1380	uniCodePoint := (aUnicodeString at:idx) codePoint.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1381	myCode := self encode:uniCodePoint.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1382	myCode > 16rFF ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1383	myCode > 16rFFFF ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1384	bits < 32 ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1385	newString := Unicode32String fromString:newString.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1386	bits := 32.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1387	]
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1388	] ifFalse:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1389	bits < 16 ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1390	newString := Unicode16String fromString:newString.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1391	bits := 16.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1392	]
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1393	]
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1394	].
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1395	newString at:idx put:(Character value:myCode).
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1396	].
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1397	^ newString
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	1398	!
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	1399
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	1400	encodeString:aUnicodeString on:aStream
18141 65e703bac1cc class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18136 diff changeset	1401	"given a string in unicode, encode it onto aStream.
18142 cfbb3b0237a9 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18141 diff changeset	1402	Subclasses can redefine this to avoid allocating many new string instances.
cfbb3b0237a9 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18141 diff changeset	1403	(but must then also redefine encodeString:aUnicodeString to collect the characters)"
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	1404
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	1405	aStream nextPutAll:(self encodeString:aUnicodeString).
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1406	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1407
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1408	!CharacterEncoder methodsFor:'error handling'!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1409
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1410	decodingError
7904 e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1411	"report an error that there is no unicode-codePoint for a given codePoint in this encoding.
e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1412	(which is unlikely) or that the encoding is undefined for that value
20004 1e7f67889c89 #OTHER by mawalch mawalch parents: 19829 diff changeset	1413	(for example, holes in the ISO-8859-3 encoding)"
7904 e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1414
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1415	\|badCodePoint sender\|
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1416
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1417	sender := thisContext sender.
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1418	((sender selector == #encode:) or:[sender selector == #decode:]) ifFalse:[
11295 94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1419	badCodePoint := sender methodHome argAt:1
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1420	].
11295 94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1421	^ (DecodingError new)
94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1422	defaultValue:(self defaultDecoderValue);
94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1423	parameter:badCodePoint;
94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1424	messageText:'invalid code';
94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1425	suspendedContext:sender;
94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1426	raiseRequest.
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1427	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1428
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1429	defaultDecoderValue
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1430	"placed into a decoded string, in case there is no unicode codePoint
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1431	for a given encoded codePoint.
7904 e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1432	(typically 16rFFFF)."
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1433
7904 e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1434	^ 16rFFFF
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1435	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1436
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1437	defaultEncoderValue
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1438	"placed into an encoded string, in case there is no codePoint
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1439	for a given unicode codePoint.
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1440	(typically $?)."
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1441
8101 f7023a4735bf Use the ANSI-blessed #codePoint instead of deprecated #asciiValue Stefan Vogel <sv@exept.de> parents: 8087 diff changeset	1442	^ $? codePoint
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1443	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1444
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1445	encodingError
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1446	"report an error that some unicode-codePoint cannot be represented by this encoder"
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1447
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1448	\|badCodePoint sender\|
7904 e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1449
e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1450	sender := thisContext sender.
e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1451	((sender selector == #encode:) or:[sender selector == #decode:]) ifFalse:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1452	badCodePoint := sender methodHome argAt:1
7904 e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1453	].
8048 293c8178c6eb utf8 errors Claus Gittinger <cg@exept.de> parents: 8033 diff changeset	1454	^ (EncodingError new)
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1455	defaultValue:(self defaultEncoderValue);
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1456	parameter:badCodePoint;
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1457	messageText:'unrepresentable code (some character cannot be represented)';
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1458	suspendedContext:sender;
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1459	raiseRequest
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1460
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1461	"Modified: / 12-07-2012 / 20:36:37 / cg"
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1462	! !
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1463
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1464	!CharacterEncoder methodsFor:'printing'!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1465
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1466	printOn:aStream
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1467	aStream
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1468	nextPutAll:(self nameOfDecodedCode);
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1469	nextPutAll:'->';
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1470	nextPutAll:(self nameOfEncoding)
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1471	! !
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1472
7917 3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1473	!CharacterEncoder methodsFor:'queries'!
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1474
11975 7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1475	characterSize:codePoint
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1476	"return the number of bytes required to encode codePoint"
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1477
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1478	^ self subclassResponsibility
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1479
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1480	"Created: / 15-06-2005 / 15:11:04 / janfrog"
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1481	!
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1482
17118 fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1483	isEncoderFor:encoding
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1484	"does this encode to encoding?"
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1485
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1486	\|encodingNameSymbol\|
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1487
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1488	encodingNameSymbol := encoding asLowercase.
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1489	encodingNameSymbol = #'iso10646-1' ifTrue:[ encodingNameSymbol := #unicode].
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1490
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1491	^ encodingNameSymbol = self nameOfEncoding
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1492	!
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1493
7917 3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1494	isNullEncoder
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1495	^ false
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1496	!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1497
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1498	nameOfDecodedCode
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1499	"Most coders decode from their code into unicode / encode from unicode into their code.
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1500	There are a few exceptions to this, though - these must redefine this."
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1501
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1502	^ self class nameOfDecodedCode
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1503	!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1504
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1505	nameOfEncoding
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1506	^ self class nameOfEncoding
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1507	!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1508
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1509	userFriendlyNameOfEncoding
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1510	^ self class userFriendlyNameOfEncoding
7917 3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1511	! !
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1512
11975 7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1513	!CharacterEncoder methodsFor:'stream support'!
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1514
12608 aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1515	readNext:charactersToRead charactersFrom:stream
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1516	^ self decodeString:(stream next:charactersToRead)
11975 7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1517	!
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1518
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1519	readNextCharacterFrom:aStream
12608 aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1520
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1521	\| c \|
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1522
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1523	c := aStream next.
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1524
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1525	^ c isNil
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1526	ifTrue: [nil]
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1527	ifFalse: [(self decode:c asInteger) asCharacter]
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1528
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1529	"Created: / 14-06-2005 / 17:03:21 / janfrog"
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1530	"Modified: / 15-06-2005 / 15:27:49 / janfrog"
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1531	"Modified: / 20-06-2005 / 13:13:52 / masca"
12435 539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1532	!
11975 7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1533
12435 539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1534	readNextInputCharacterFrom:aStream
12608 aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1535	^ aStream next
11975 7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1536	! !
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1537
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1538	!CharacterEncoder::CompoundEncoder class methodsFor:'documentation'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1539
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1540	documentation
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1541	"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1542	A compoundEncoder uses two real encoders;
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1543	to encode:
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1544	string -> decoder(encode) -> encoder -> result
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1545	to decode:
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1546	string -> encoder -> decoder -> result
7956 c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1547
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1548	\|e\|
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1549
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1550	e := CompoundEncoder new.
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1551	e encoder:ISO8859_5 decoder:KOI8_R.
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1552	e decode:16rB0. 'CYRILLIC CAPITAL LETTER A; 16rB0 in 8859-5; 16rE1 in KOI8-R'.
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1553	e encode:16rE1.
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1554	"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1555	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1556
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1557	!CharacterEncoder::CompoundEncoder methodsFor:'accessing'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1558
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1559	encoder:encoderArg decoder:decoderArg
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1560	"set instance variables (automatically generated)"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1561
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1562	decoder := decoderArg.
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1563	encoder := encoderArg.
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1564	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1565
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1566	!CharacterEncoder::CompoundEncoder methodsFor:'encoding & decoding'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1567
7956 c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1568	decode:aCode
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1569	^ decoder encode:(encoder decode:aCode)
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1570	!
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1571
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1572	decodeString:aString
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1573	^ decoder encodeString:(encoder decodeString:aString)
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1574	!
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1575
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1576	encode:aCode
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1577	^ encoder encode:(decoder decode:aCode)
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1578	!
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1579
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1580	encodeString:aString
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1581	^ encoder encodeString:(decoder decodeString:aString)
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1582	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1583
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1584	!CharacterEncoder::CompoundEncoder methodsFor:'printing'!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1585
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1586	printOn:aStream
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1587	aStream
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1588	nextPutAll:(decoder nameOfEncoding);
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1589	nextPutAll:'->'.
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1590	"/ nextPutAll:(decoder nameOfDecodedCode);
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1591	"/ nextPutAll:'->';
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1592	"/ nextPutAll:(encoder nameOfEncoding)
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1593	encoder printOn:aStream
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1594	! !
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1595
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1596	!CharacterEncoder::DefaultEncoder class methodsFor:'documentation'!
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1597
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1598	documentation
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1599	"
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1600	That is only a dummy for ST80 compatibility
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1601	"
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1602	! !
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1603
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1604	!CharacterEncoder::InverseEncoder class methodsFor:'documentation'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1605
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1606	documentation
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1607	"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1608	An inverseEncoder does the inverse - i.e. encode is really a decode
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1609	and decode is really an encode.
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1610	"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1611	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1612
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1613	!CharacterEncoder::InverseEncoder methodsFor:'accessing'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1614
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1615	decoder:something
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1616	decoder := something.
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1617	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1618
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1619	!CharacterEncoder::InverseEncoder methodsFor:'encoding & decoding'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1620
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1621	decode:aCode
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1622	^ decoder encode:aCode
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1623	!
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1624
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1625	decodeString:aString
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1626	^ decoder encodeString:aString
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1627	!
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1628
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1629	encode:aCode
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1630	^ decoder decode:aCode
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1631	!
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1632
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1633	encodeString:aString
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1634	^ decoder decodeString:aString
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1635	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1636
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1637	!CharacterEncoder::InverseEncoder methodsFor:'printing'!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1638
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1639	printOn:aStream
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1640	aStream
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1641	nextPutAll:(decoder nameOfEncoding);
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1642	nextPutAll:'->';
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1643	nextPutAll:(decoder nameOfDecodedCode)
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1644	! !
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1645
12435 539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1646	!CharacterEncoder::InverseEncoder methodsFor:'queries'!
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1647
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1648	characterSize:charOrcodePoint
21138 1cc7a2e7ee19 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 20645 diff changeset	1649	"return the number of bytes required to encode codePoint"
1cc7a2e7ee19 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 20645 diff changeset	1650
12435 539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1651	^ decoder characterSize:charOrcodePoint
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1652	! !
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1653
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1654	!CharacterEncoder::InverseEncoder methodsFor:'stream support'!
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1655
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1656	readNextInputCharacterFrom:aStream
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1657	^ decoder readNextInputCharacterFrom:aStream
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1658	! !
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1659
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1660	!CharacterEncoder::NullEncoder class methodsFor:'documentation'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1661
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1662	documentation
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1663	"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1664	A NullEncoder does nothing.
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1665	"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1666	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1667
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1668	!CharacterEncoder::NullEncoder methodsFor:'encoding & decoding'!
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1669
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1670	decode:aCode
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1671	^ aCode
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1672	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1673
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1674	decodeString:aString
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1675	^ aString
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1676	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1677
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1678	encode:aCode
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1679	^ aCode
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1680	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1681
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1682	encodeString:aString
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1683	^ aString
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1684	! !
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1685
7917 3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1686	!CharacterEncoder::NullEncoder methodsFor:'queries'!
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1687
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1688	isNullEncoder
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1689	^ true
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1690	! !
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1691
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1692	!CharacterEncoder::OtherEncoding class methodsFor:'private'!
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1693
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1694	flushCode
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1695	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1696
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1697	generateEncoderCode
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1698	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1699
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1700	!CharacterEncoder::TwoStepEncoder class methodsFor:'documentation'!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1701
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1702	documentation
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1703	"
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1704	A twoStepEncoder uses two real encoders;
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1705	to encode:
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1706	string -> encoder1(encode) -> encoder2(encode) -> result
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1707	to decode:
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1708	string -> encoder2(decode) -> encoder1(decode) -> result
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1709	"
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1710	! !
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1711
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1712	!CharacterEncoder::TwoStepEncoder methodsFor:'accessing'!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1713
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1714	encoder1:encoder1Arg encoder2:encoder2Arg
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1715	"set instance variables (automatically generated)"
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1716
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1717	encoder1 := encoder1Arg.
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1718	encoder2 := encoder2Arg.
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1719	! !
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1720
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1721	!CharacterEncoder::TwoStepEncoder methodsFor:'encoding & decoding'!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1722
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1723	decode:aCode
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1724	^ encoder1 decode:(encoder2 decode:aCode)
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1725	!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1726
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1727	decodeString:aString
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1728	^ encoder1 decodeString:(encoder2 decodeString:aString)
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1729	!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1730
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1731	encode:aCode
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1732	^ encoder2 encode:(encoder1 encode:aCode)
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1733	!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1734
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1735	encodeString:aString
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1736	^ encoder2 encodeString:(encoder1 encodeString:aString)
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1737	! !
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1738
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1739	!CharacterEncoder::TwoStepEncoder methodsFor:'printing'!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1740
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1741	printOn:aStream
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1742	aStream
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1743	nextPutAll:(encoder1 nameOfDecodedCode);
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1744	nextPutAll:'->';
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1745	nextPutAll:(encoder1 nameOfEncoding);
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1746	nextPutAll:'->';
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1747	nextPutAll:(encoder2 nameOfEncoding)
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1748	! !
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1749
11300 2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1750	!CharacterEncoder::TwoStepEncoder methodsFor:'queries'!
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1751
14523 91746a24d5ad characterSize: query was missing Claus Gittinger <cg@exept.de> parents: 14209 diff changeset	1752	characterSize:codePoint
21138 1cc7a2e7ee19 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 20645 diff changeset	1753	"return the number of bytes required to encode codePoint"
1cc7a2e7ee19 #DOCUMENTATION by cg Claus Gittinger <cg@exept.de> parents: 20645 diff changeset	1754
14523 91746a24d5ad characterSize: query was missing Claus Gittinger <cg@exept.de> parents: 14209 diff changeset	1755	"/ naive; actually, we have to do a real encoding to get this info proper
91746a24d5ad characterSize: query was missing Claus Gittinger <cg@exept.de> parents: 14209 diff changeset	1756	^ (encoder2 characterSize:codePoint)
91746a24d5ad characterSize: query was missing Claus Gittinger <cg@exept.de> parents: 14209 diff changeset	1757
91746a24d5ad characterSize: query was missing Claus Gittinger <cg@exept.de> parents: 14209 diff changeset	1758	"Created: / 22-11-2012 / 13:07:47 / cg"
91746a24d5ad characterSize: query was missing Claus Gittinger <cg@exept.de> parents: 14209 diff changeset	1759	!
91746a24d5ad characterSize: query was missing Claus Gittinger <cg@exept.de> parents: 14209 diff changeset	1760
11300 2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1761	nameOfEncoding
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1762	^ "encoder1 nameOfEncoding , '-' ," encoder2 nameOfEncoding
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1763
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1764
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1765
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1766
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1767
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1768
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1769
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1770
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1771
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1772
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1773
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1774
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1775
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1776
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1777
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1778
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1779	! !
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1780
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1781	!CharacterEncoder class methodsFor:'documentation'!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1782
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1783	version
18624 1f113cce940e class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 18305 diff changeset	1784	^ '$Header$'
12435 539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1785	!
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1786
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1787	version_CVS
18624 1f113cce940e class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 18305 diff changeset	1788	^ '$Header$'
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1789	! !
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1790
14777 a669080229da add user friendly name to semaphores Stefan Vogel <sv@exept.de> parents: 14559 diff changeset	1791
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1792	CharacterEncoder initialize!

author	Stefan Vogel <sv@exept.de>
	Fri, 11 Aug 2017 11:17:36 +0200
changeset 22187	39cff5666d22
parent 21723	1ea8471bc9eb
child 22343	b7ec81400cfa
permissions	-rw-r--r--