hg/stx-libbasic: CharacterEncoder.st@8c5f3917b2e8 (annotated)

17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	1	"{ Encoding: utf8 }"
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	2
8048 293c8178c6eb utf8 errors Claus Gittinger <cg@exept.de> parents: 8033 diff changeset	3	"
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	4	COPYRIGHT (c) 2004 by eXept Software AG
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	5	All Rights Reserved
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	6
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	7	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	8	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	9	inclusion of the above copyright notice. This software may not
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	10	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	11	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	12	hereby transferred.
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	13	"
8114 05274a80fcc4 separated implementation into dynamically (lazy) loaded classes Claus Gittinger <cg@exept.de> parents: 8105 diff changeset	14	"{ Package: 'stx:libbasic' }"
05274a80fcc4 separated implementation into dynamically (lazy) loaded classes Claus Gittinger <cg@exept.de> parents: 8105 diff changeset	15
17491 6462f81e6623 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17118 diff changeset	16	"{ NameSpace: Smalltalk }"
6462f81e6623 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17118 diff changeset	17
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	18	Object subclass:#CharacterEncoder
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	19	instanceVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	20	classVariableNames:'EncoderClassesByName EncodersByName CachedEncoders AccessLock
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	21	NullEncoderInstance Jis7KanjiEscapeSequence
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	22	Jis7RomanEscapeSequence JisISO2022EscapeSequence
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	23	Jis7KanjiOldEscapeSequence'
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	24	poolDictionaries:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	25	category:'Collections-Text-Encodings'
7969 1c252e9cf79c * empty log message * Claus Gittinger <cg@exept.de> parents: 7967 diff changeset	26	!
1c252e9cf79c * empty log message * Claus Gittinger <cg@exept.de> parents: 7967 diff changeset	27
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	28	CharacterEncoder subclass:#CompoundEncoder
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	29	instanceVariableNames:'decoder encoder'
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	30	classVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	31	poolDictionaries:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	32	privateIn:CharacterEncoder
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	33	!
0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	34
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	35	CharacterEncoder subclass:#DefaultEncoder
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	36	instanceVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	37	classVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	38	poolDictionaries:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	39	privateIn:CharacterEncoder
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	40	!
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	41
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	42	CharacterEncoder subclass:#InverseEncoder
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	43	instanceVariableNames:'decoder'
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	44	classVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	45	poolDictionaries:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	46	privateIn:CharacterEncoder
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	47	!
0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	48
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	49	CharacterEncoder subclass:#NullEncoder
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	50	instanceVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	51	classVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	52	poolDictionaries:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	53	privateIn:CharacterEncoder
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	54	!
0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	55
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	56	CharacterEncoder subclass:#OtherEncoding
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	57	instanceVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	58	classVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	59	poolDictionaries:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	60	privateIn:CharacterEncoder
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	61	!
0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	62
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	63	CharacterEncoder subclass:#TwoStepEncoder
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	64	instanceVariableNames:'encoder1 encoder2'
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	65	classVariableNames:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	66	poolDictionaries:''
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	67	privateIn:CharacterEncoder
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	68	!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	69
7893 80df105ac17c checkin from browser Claus Gittinger <cg@exept.de> parents: 7892 diff changeset	70	!CharacterEncoder class methodsFor:'documentation'!
80df105ac17c checkin from browser Claus Gittinger <cg@exept.de> parents: 7892 diff changeset	71
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	72	copyright
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	73	"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	74	COPYRIGHT (c) 2004 by eXept Software AG
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	75	All Rights Reserved
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	76
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	77	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	78	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	79	inclusion of the above copyright notice. This software may not
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	80	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	81	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	82	hereby transferred.
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	83	"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	84	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	85
7893 80df105ac17c checkin from browser Claus Gittinger <cg@exept.de> parents: 7892 diff changeset	86	documentation
80df105ac17c checkin from browser Claus Gittinger <cg@exept.de> parents: 7892 diff changeset	87	"
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	88	unfinished code - please read howToAddMoreCoders.
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	89
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	90	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	91	http://std.dkuug.dk/i18n/charmaps
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	92	or:
8226 81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	93	http://www.unicode.org/Public/MAPPINGS
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	94
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	95	No Warranty.
8226 81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	96
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	97	All the ISO 8859 codesets include ASCII as a proper codeset within them:
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	98
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	99	ISO 8859-1: Latin 1 - Western European Languages.
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	100	ISO 8859-2: Latin 2 - Eastern European Languages.
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	101	ISO 8859-3: Latin 3 - Afrikaans, Catalan, Dutch, English, Esperanto, German,
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	102	Italian, Maltese, Spanish and Turkish.
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	103	ISO 8859-4: Latin 4 - Danish, English, Estonian, Finnish, German, Greenlandic, Lappish and Latvian.
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	104	ISO 8859-5: Latin/Cyrillic - Bulgarian, Byelorussian, English, Macedonian, Russian, Serbo-Croat and Ukranian.
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	105	ISO 8859-6: Latin/Arabic - Arabic.
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	106	ISO 8859-7: Latin/Greek - Greek.
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	107	ISO 8859-8: Latin/Hebrew - Hebrew.
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	108	ISO 8859-9: Latin 5 - Danish, Dutch, English, Finnish, French, German, Irish, Italian,
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	109	Norwegian, Portuguese, Spanish, Swedish and Turkish.
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	110	ISO 8859-10: Latin 6 - Danish, English, Estonian, Finnish, German, Greenlandic, Icelandic,
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	111	Sami (Lappish), Latvian, Lithuanian, Norwegian, Faroese and Swedish.
8810 8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	112	[author:]
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	113	Claus Gittinger
7899 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	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	116
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	117	examples
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	118	"
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	119	[exBegin]
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	120	\|s1 s2\|
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	121
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	122	s1 := 'hello'.
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	123	s2 := CharacterEncoder encodeString:s1 from:#'iso8859-1' into:#'unicode'.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	124	s2
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	125	[exEnd]
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	126
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	127	[exBegin]
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	128	\|s1 s2\|
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	129
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	130	s1 := 'hello'.
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	131	s2 := CharacterEncoder encodeString:s1 from:#'iso8859-1' into:#'iso8859-7'.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	132	s2
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	133	[exEnd]
7899 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	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	136
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	137	howToAddMoreCoders
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	138	"
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	139	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	140	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	141
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	142	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	143	as found on the unicode consortium host
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	144	(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	145
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	146	or from the i18n character maps:
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	147	(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	148
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	149	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	150	perform the following steps:
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	151	- 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	152
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	153	- define the mappingURL1_relativeName (if the table is found on 'www.unicode.org')
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	154	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	155	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	156	(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	157
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	158	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	159
16054 171c7f8b4547 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 15966 diff changeset	160	- 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	161	CharacterEncoder::CP267 generateCode
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	162
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	163	Thats all !!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	164
7909 a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	165
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	166	The existing code was generated by:
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	167
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	168	CharacterEncoder::SingleByteEncoder subclassesDo:[:cls \| Transcript showCR:cls name. cls flushCode; generateCode ]
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	169	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	170
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	171	or individually:
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	172	CharacterEncoder::ASCII flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	173	CharacterEncoder::ISO8859_1 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	174	CharacterEncoder::ISO8859_2 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	175	CharacterEncoder::ISO8859_3 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	176	CharacterEncoder::ISO8859_4 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	177	CharacterEncoder::ISO8859_5 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	178	CharacterEncoder::ISO8859_6 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	179	CharacterEncoder::ISO8859_7 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	180	CharacterEncoder::ISO8859_8 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	181	CharacterEncoder::ISO8859_9 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	182	CharacterEncoder::ISO8859_10 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	183	CharacterEncoder::ISO8859_11 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	184	CharacterEncoder::ISO8859_13 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	185	CharacterEncoder::ISO8859_14 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	186	CharacterEncoder::ISO8859_15 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	187	CharacterEncoder::ISO8859_16 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	188	CharacterEncoder::KOI8_R flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	189	CharacterEncoder::GSM0338 flushCode; generateCode.
7909 a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	190
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	191	CharacterEncoder::KOI8_U flushCode; generateSubclassCode.
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	192
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	193	CharacterEncoder::JIS0208 flushCode; generateCode.
13072 e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	194
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	195	Please check if your encoder tables are complete; for example, with:
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	196	0 to:255 do:[:ebc \|
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	197	\|asc ebc2\|
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	198
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	199	asc := CharacterEncoderImplementations::EBCDIC new decode:ebc.
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	200	asc notNil ifTrue:[
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	201	ebc2 := CharacterEncoderImplementations::EBCDIC new encode:asc.
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	202	self assert:(ebc2 = ebc)
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	].
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	205
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	206	0 to:255 do:[:asc \|
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	207	\|ebc asc2\|
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	208
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	209	ebc := CharacterEncoderImplementations::EBCDIC new encode:asc.
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	210	ebc notNil ifTrue:[
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	211	asc2 := CharacterEncoderImplementations::EBCDIC new decode:ebc.
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	212	self assert:(asc2 = asc)
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	213	].
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	214	].
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	215	"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	216	! !
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	217
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	218	!CharacterEncoder class methodsFor:'instance creation'!
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	219
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	220	encoderFor:encodingNameSymbol
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	221	"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	222
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	223	^ self
8156 bd5169c15b31 * empty log message * ca parents: 8155 diff changeset	224	encoderFor:encodingNameSymbol
bd5169c15b31 * empty log message * ca parents: 8155 diff changeset	225	ifAbsent:[
bd5169c15b31 * empty log message * ca parents: 8155 diff changeset	226	"/ 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	227
16054 171c7f8b4547 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 15966 diff changeset	228	"/ (EncodersByName at:#unicode) at:encodingNameSymbol put:NullEncoderInstance.
171c7f8b4547 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 15966 diff changeset	229	"/ (EncoderClassesByName at:#unicode) at:encodingNameSymbol put:NullEncoder.
8352 20d2476f538e add nullEncoder BEFORE raising an error Claus Gittinger <cg@exept.de> parents: 8262 diff changeset	230
8388 b5cf7abdfe64 no encoder: send a message to stdError instead of entering Claus Gittinger <cg@exept.de> parents: 8352 diff changeset	231	"/ self error:'no encoder for ' , encodingNameSymbol mayProceed:true.
17520 0084ef840ac7 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17498 diff changeset	232	('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	233
8156 bd5169c15b31 * empty log message * ca parents: 8155 diff changeset	234	NullEncoderInstance
bd5169c15b31 * empty log message * ca parents: 8155 diff changeset	235	]
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	236
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	237	"
8388 b5cf7abdfe64 no encoder: send a message to stdError instead of entering Claus Gittinger <cg@exept.de> parents: 8352 diff changeset	238	CharacterEncoder encoderFor:#'blabla2'
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	239	CharacterEncoder encoderFor:#'latin1'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	240	self encoderFor:#'arabic'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	241	self encoderFor:#'ms-arabic'
8814 501f04d1f533 * empty log message * Claus Gittinger <cg@exept.de> parents: 8810 diff changeset	242	self encoderFor:#'cp1250'
501f04d1f533 * empty log message * Claus Gittinger <cg@exept.de> parents: 8810 diff changeset	243	self encoderFor:#'cp1251'
501f04d1f533 * empty log message * Claus Gittinger <cg@exept.de> parents: 8810 diff changeset	244	self encoderFor:#'cp1252'
501f04d1f533 * empty log message * Claus Gittinger <cg@exept.de> parents: 8810 diff changeset	245	self encoderFor:#'cp1253'
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	246	self encoderFor:#'iso8859-5'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	247	self encoderFor:#'koi8-r'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	248	self encoderFor:#'koi8-u'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	249	self encoderFor:#'jis0208'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	250	self encoderFor:#'jis7'
8087 0a2ee76bcf55 last version before separating into extra classes Claus Gittinger <cg@exept.de> parents: 8062 diff changeset	251	self encoderFor:#'utf8'
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	252	(self encoderFor:#'utf16le') encodeString:'hello'
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	253	(self encoderFor:#'utf16le') encode:5
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	254	(self encoderFor:#'utf16be') encodeString:'hello'
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	255	(self encoderFor:#'utf16be') encode:5
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	256	(self encoderFor:#'utf32le') encodeString:'hello'
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	257	(self encoderFor:#'utf32be') encodeString:'hello'
10111 7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	258	self encoderFor:#'sgml'
7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	259	self encoderFor:#'java'
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	260	"
10111 7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	261
14207 f80306416305 comment/format in: Claus Gittinger <cg@exept.de> parents: 14206 diff changeset	262	"Modified: / 12-07-2012 / 19:35:43 / cg"
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	263	!
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	264
8168 8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	265	encoderFor:encodingNameSymbolArg ifAbsent:exceptionValue
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	266	"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	267
8168 8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	268	\|encodingNameSymbol enc clsName cls lcName name unicodeEncoders unicodeEncoderClasses\|
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	269
8168 8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	270	encodingNameSymbol := encodingNameSymbolArg.
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	271	encodingNameSymbol isNil ifTrue:[ ^ NullEncoderInstance].
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	272
16054 171c7f8b4547 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 15966 diff changeset	273	encodingNameSymbol = 'iso10646-1' ifTrue:[ encodingNameSymbol := #unicode].
8168 8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	274
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	275	lcName := encodingNameSymbol asLowercase.
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	276	name := lcName asSymbolIfInterned.
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	277	name isNil ifTrue:[name := lcName].
8052 4ca96b117b21 checkin from browser Claus Gittinger <cg@exept.de> parents: 8048 diff changeset	278
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	279	name includesMatchCharacters ifTrue:[
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	280	AccessLock critical:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	281	unicodeEncoders := EncodersByName at:#unicode ifAbsent:nil.
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	282	].
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	283	unicodeEncoders notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	284	unicodeEncoders keysAndValuesDo:[:eachEncodingAlias :eachEncoderInstance \|
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	285	(name matches:eachEncodingAlias) ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	286	^ eachEncoderInstance.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	287	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	288	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	289	].
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	290
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	291	AccessLock critical:[
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	292	unicodeEncoderClasses := self encoderClassesByName at:#unicode.
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	293	].
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	294	unicodeEncoderClasses notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	295	unicodeEncoderClasses keysAndValuesDo:[:eachEncodingAlias :eachEncoderClassOrName \|
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	296	(name matches:eachEncodingAlias) ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	297	eachEncoderClassOrName isBehavior ifTrue:[
8194 7027457dbe4f * empty log message * ca parents: 8190 diff changeset	298	cls := eachEncoderClassOrName
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	299	] ifFalse:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	300	cls := CharacterEncoderImplementations at:eachEncoderClassOrName.
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	301	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	302	cls notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	303	^ cls new.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	304	]
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	305	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	306	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	307	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	308	^ exceptionValue value
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	309	].
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	310
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	311	AccessLock critical:[
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	312	unicodeEncoders := EncodersByName at:#unicode ifAbsent:nil.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	313	unicodeEncoders isNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	314	EncodersByName at:#unicode put:(unicodeEncoders := Dictionary new).
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	315	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	316	enc := unicodeEncoders at:name ifAbsent:nil.
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	317	].
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	318	enc isNil ifTrue:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	319	AccessLock critical:[
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	320	unicodeEncoderClasses := self encoderClassesByName at:#unicode ifAbsent:nil.
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	321	unicodeEncoderClasses isNil ifTrue:[
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	322	self encoderClassesByName at:#unicode put:(unicodeEncoderClasses := Dictionary new).
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	323	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	324	clsName := unicodeEncoderClasses at:name ifAbsent:nil.
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	325	].
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	326	clsName notNil ifTrue:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	327	clsName isBehavior ifTrue:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	328	cls := clsName
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	329	] ifFalse:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	330	cls := CharacterEncoderImplementations at:clsName.
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	331	].
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	332	cls notNil ifTrue:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	333	enc := cls new.
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	334	AccessLock critical:[
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	335	unicodeEncoders at:name put:enc.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	336	]
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	337	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	338	].
7973 6dea491d56f7 * empty log message * Claus Gittinger <cg@exept.de> parents: 7972 diff changeset	339	].
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	340
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	341	enc notNil ifTrue:[
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	342	^ enc
7973 6dea491d56f7 * empty log message * Claus Gittinger <cg@exept.de> parents: 7972 diff changeset	343	].
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	344
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	345	"/ no direct encoder from unicode->name
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	346	"/ search for unicode->any and: any->name
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	347	AccessLock critical:[
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	348	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	349	].
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	350	unicodeEncoderClasses keysAndValuesDo:[:eachEncodingAlias :eachEncoderClass \|
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	351	\|dict2 enc1 enc2\|
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	352
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	353	AccessLock critical:[
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	354	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	355	].
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	356	dict2 notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	357	clsName := dict2 at:name ifAbsent:nil.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	358	clsName notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	359	clsName isBehavior ifTrue:[
8194 7027457dbe4f * empty log message * ca parents: 8190 diff changeset	360	cls := clsName
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	361	] ifFalse:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	362	cls := CharacterEncoderImplementations at:clsName.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	363	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	364	cls notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	365	enc2 := cls new.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	366	enc1 := self encoderFor:eachEncodingAlias.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	367	(enc1 notNil and:[enc2 notNil]) ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	368	enc := TwoStepEncoder new encoder1:enc1 encoder2:enc2.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	369	AccessLock critical:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	370	unicodeEncoders at:name put:enc.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	371	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	372	^ enc.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	373	]
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	374	]
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	375	]
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	376	].
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	377	].
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	378
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	379	self encoderClassesByName keysAndValuesDo:[:encoding1 :dict1 \|
8194 7027457dbe4f * empty log message * ca parents: 8190 diff changeset	380	dict1 keysAndValuesDo:[:encoding2 :clsName1\|
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	381	\|clsName2 cls1 cls2 dict2 enc1 enc2\|
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	382
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	383	encoding2 = encodingNameSymbol ifTrue:[
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	384	AccessLock critical:[
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	385	dict2 := self encoderClassesByName at:#unicode.
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	386	].
8194 7027457dbe4f * empty log message * ca parents: 8190 diff changeset	387	clsName2 := dict2 at:encoding1 ifAbsent:nil.
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	388	clsName2 notNil ifTrue:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	389	clsName1 isBehavior ifTrue:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	390	cls1 := clsName1
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	391	] ifFalse:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	392	cls1 := CharacterEncoderImplementations at:clsName1.
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	393	].
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	394	clsName2 isBehavior ifTrue:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	395	cls2 := clsName2
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	396	] ifFalse:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	397	cls2 := CharacterEncoderImplementations at:clsName2.
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	398	].
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	399	(cls1 notNil and:[cls2 notNil]) ifTrue:[
14207 f80306416305 comment/format in: Claus Gittinger <cg@exept.de> parents: 14206 diff changeset	400	enc1 := cls1 new.
f80306416305 comment/format in: Claus Gittinger <cg@exept.de> parents: 14206 diff changeset	401	enc2 := cls2 new.
8194 7027457dbe4f * empty log message * ca parents: 8190 diff changeset	402	enc := TwoStepEncoder new encoder1:enc1 encoder2:enc2.
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	403	^ enc.
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	404	].
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	405	]
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	406	]
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	407	]
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	408	].
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	409
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	410	^ exceptionValue value
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	411
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	412	"
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	413	CharacterEncoder encoderFor:#'latin1'
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	414	self encoderFor:#'arabic'
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	415	self encoderFor:#'ms-arabic'
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	416	self encoderFor:#'iso8859-5'
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	417	self encoderFor:#'koi8-r'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	418	self encoderFor:#'koi8-u'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	419	self encoderFor:#'jis0208'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	420	self encoderFor:#'jis7'
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	421	self encoderFor:#'unicode'
17520 0084ef840ac7 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17498 diff changeset	422	self encoderFor:#'UTF-8'
0084ef840ac7 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17498 diff changeset	423	self encoderFor:'UTF-8'
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	424	"
14207 f80306416305 comment/format in: Claus Gittinger <cg@exept.de> parents: 14206 diff changeset	425
f80306416305 comment/format in: Claus Gittinger <cg@exept.de> parents: 14206 diff changeset	426	"Modified: / 12-07-2012 / 19:45:58 / cg"
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	427	!
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	428
8210 cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	429	encoderForUTF8
8211 c4377c6c20e4 * empty log message * Claus Gittinger <cg@exept.de> parents: 8210 diff changeset	430	"return an encoder-instance which can map unicode into/from utf8"
c4377c6c20e4 * empty log message * Claus Gittinger <cg@exept.de> parents: 8210 diff changeset	431
8210 cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	432	^ self encoderFor:#utf8
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	433
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	434	"
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	435	CharacterEncoder encoderFor:#'latin1'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	436	self encoderFor:#'arabic'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	437	self encoderFor:#'ms-arabic'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	438	self encoderFor:#'iso8859-5'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	439	self encoderFor:#'koi8-r'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	440	self encoderFor:#'koi8-u'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	441	self encoderFor:#'jis0208'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	442	self encoderFor:#'jis7'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	443	self encoderFor:#'utf8'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	444	self encoderForUTF8'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	445	"
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	446	!
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	447
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	448	encoderToEncodeFrom:oldEncodingArg into:newEncodingArg
8135 f22398526ae2 * empty log message * Claus Gittinger <cg@exept.de> parents: 8134 diff changeset	449	\|oldEncoding newEncoding encoders encoderClasses encoder decoder clsName cls\|
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	450
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	451	oldEncoding := oldEncodingArg ? #unicode.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	452	oldEncoding == #'iso10646-1' ifTrue:[ oldEncoding := #unicode].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	453	newEncoding := newEncodingArg ? #unicode.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	454	newEncoding == #'iso10646-1' ifTrue:[ newEncoding := #unicode].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	455
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	456	oldEncoding = newEncoding ifTrue:[^ NullEncoderInstance].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	457	(oldEncoding match:newEncoding) ifTrue:[^ NullEncoderInstance].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	458
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	459	(oldEncoding = #unicode) ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	460	"/ something -> unicode
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	461	^ self encoderFor:newEncoding.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	462	].
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	463
8261 af6485d43bd2 * empty log message * Claus Gittinger <cg@exept.de> parents: 8226 diff changeset	464	oldEncoding isSymbol ifFalse:[oldEncoding := oldEncoding asSymbol].
af6485d43bd2 * empty log message * Claus Gittinger <cg@exept.de> parents: 8226 diff changeset	465	newEncoding isSymbol ifFalse:[newEncoding := newEncoding asSymbol].
8120 bafc72f60618 * empty log message * Claus Gittinger <cg@exept.de> parents: 8119 diff changeset	466
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	467	AccessLock critical:[
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	468	encoders := EncodersByName at:oldEncoding ifAbsent:nil.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	469	encoders isNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	470	EncodersByName at:oldEncoding put:(encoders := Dictionary new).
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	471	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	472	encoder := encoders at:newEncodingArg ifAbsent:nil.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	473	encoder isNil ifTrue:[
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	474	encoderClasses := self encoderClassesByName at:oldEncoding ifAbsent:nil.
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	475	encoderClasses isNil ifTrue:[
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	476	self encoderClassesByName at:oldEncoding put:(encoderClasses := Dictionary new).
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	477	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	478	clsName := encoderClasses at:newEncoding ifAbsent:nil.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	479	clsName notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	480	clsName isBehavior ifTrue:[
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	481	cls := clsName
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	482	] ifFalse:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	483	cls := CharacterEncoderImplementations at:clsName.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	484	]
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	485	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	486	].
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	487	].
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	488	cls notNil ifTrue:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	489	encoder := cls new.
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	490	].
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	491
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	492	encoder isNil ifTrue:[
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	493	(newEncoding == #unicode) ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	494	"/ something -> unicode
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	495	decoder := self encoderFor:oldEncoding.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	496	encoder := InverseEncoder new decoder:decoder.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	497	] ifFalse:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	498	"/ do it as: oldEncoding -> unicode -> newEncoding
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	499
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	500	"/ something -> unicode
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	501	decoder := self encoderFor:oldEncoding.
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	502
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	503	"/ unicode -> something
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	504	encoder := self encoderFor:newEncoding.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	505	encoder := CompoundEncoder new encoder:encoder decoder:decoder.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	506	].
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	507	].
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	508
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	509	AccessLock critical:[
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	510	(EncodersByName at:oldEncoding) at:newEncoding put:encoder
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	511	].
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	512	^ encoder
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	513
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	514	" CharacterEncoder initialize
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	515	CharacterEncoder encoderToEncodeFrom:#'latin1' into:#'jis7'
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	516	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	517	CharacterEncoder encoderToEncodeFrom:#'ms-arabic' into:#'mac-arabic'
0a2ee76bcf55 last version before separating into extra classes Claus Gittinger <cg@exept.de> parents: 8062 diff changeset	518	CharacterEncoder encoderToEncodeFrom:#'iso8859-5' into:#'koi8-r'
0a2ee76bcf55 last version before separating into extra classes Claus Gittinger <cg@exept.de> parents: 8062 diff changeset	519	CharacterEncoder encoderToEncodeFrom:#'koi8-r' into:#'koi8-u'
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	520	"
14207 f80306416305 comment/format in: Claus Gittinger <cg@exept.de> parents: 14206 diff changeset	521
f80306416305 comment/format in: Claus Gittinger <cg@exept.de> parents: 14206 diff changeset	522	"Modified: / 12-07-2012 / 19:45:15 / cg"
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	523	! !
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	524
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	525	!CharacterEncoder class methodsFor:'Compatibility-ST80'!
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	526
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	527	encoderNamed: encoderName
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	528	"/ q & d hack
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	529
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	530	encoderName == #default ifTrue:[
11262 5de131eaba9e changed #classMenuCompareTwoRepositoryVersions Claus Gittinger <cg@exept.de> parents: 11228 diff changeset	531	^ DefaultEncoder new
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	532	].
11262 5de131eaba9e changed #classMenuCompareTwoRepositoryVersions Claus Gittinger <cg@exept.de> parents: 11228 diff changeset	533	self halt:'should not be reached'.
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	534	^ self new
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	535	!
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	536
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	537	platformName
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	538	^ OperatingSystem platformName
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	539
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	540	"Created: 20.6.1997 / 17:34:03 / cg"
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	541	"Modified: 20.6.1997 / 17:38:40 / cg"
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	542	! !
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	543
11316 0b2757774461 access method #nullEncoderInstance Stefan Vogel <sv@exept.de> parents: 11300 diff changeset	544	!CharacterEncoder class methodsFor:'accessing'!
0b2757774461 access method #nullEncoderInstance Stefan Vogel <sv@exept.de> parents: 11300 diff changeset	545
0b2757774461 access method #nullEncoderInstance Stefan Vogel <sv@exept.de> parents: 11300 diff changeset	546	nullEncoderInstance
0b2757774461 access method #nullEncoderInstance Stefan Vogel <sv@exept.de> parents: 11300 diff changeset	547	^ NullEncoderInstance
0b2757774461 access method #nullEncoderInstance Stefan Vogel <sv@exept.de> parents: 11300 diff changeset	548	! !
0b2757774461 access method #nullEncoderInstance Stefan Vogel <sv@exept.de> parents: 11300 diff changeset	549
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	550	!CharacterEncoder class methodsFor:'class initialization'!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	551
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	552	encoderClassesByName
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	553	EncoderClassesByName isNil ifTrue:[
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	554	self initializeEncoderClassesByName
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	^ EncoderClassesByName
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	557	!
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	558
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	559	initialize
17529 e98cd0dd77a6 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17520 diff changeset	560	AccessLock notNil ifTrue:[^ self]. "/ already initialized
e98cd0dd77a6 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17520 diff changeset	561
14777 a669080229da add user friendly name to semaphores Stefan Vogel <sv@exept.de> parents: 14559 diff changeset	562	AccessLock := RecursionLock new name:'CharacterEncoder'.
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	563	NullEncoderInstance := NullEncoder new.
7973 6dea491d56f7 * empty log message * Claus Gittinger <cg@exept.de> parents: 7972 diff changeset	564
8126 33f9c4850e84 * empty log message * Claus Gittinger <cg@exept.de> parents: 8122 diff changeset	565	EncodersByName := Dictionary new.
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	566	CachedEncoders := Dictionary new.
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	567
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	568	self initializeEncoderClassesByName.
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	569
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	570	OperatingSystem isUNIXlike ifTrue:[
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	571	"/Initialize OS system encoder
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	572	OperatingSystem getCodesetEncoder.
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	573	].
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	574
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	575	"
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	576	self initialize
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	577	"
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	578
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	579	"Modified: / 01-04-2011 / 14:30:06 / cg"
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	580	"Modified (format): / 23-01-2013 / 09:56:53 / Jan Vrany <jan.vrany@fit.cvut.cz>"
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	581	!
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	582
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	583	initializeEncoderClassesByName
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	584	"initialize the dictionary which maps commonly used names
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	585	to encoder classes.
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	586	This is done, because some encodings come along
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	587	with different names"
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	588
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	589	\|ud\|
6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	590
8126 33f9c4850e84 * empty log message * Claus Gittinger <cg@exept.de> parents: 8122 diff changeset	591	EncoderClassesByName := Dictionary new.
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	592
8154 87ec7c3be46a * empty log message * ca parents: 8153 diff changeset	593	EncoderClassesByName at:#'unicode' put:(ud := Dictionary new).
87ec7c3be46a * empty log message * ca parents: 8153 diff changeset	594	ud at:#'fontspecific' put:NullEncoder.
87ec7c3be46a * empty log message * ca parents: 8153 diff changeset	595	ud at:#'adobe-fontspecific' put:NullEncoder.
8190 2c1bbf4a6a13 ms-oem untranslated ca parents: 8187 diff changeset	596	ud at:#'ms-oem' put:NullEncoder.
13326 41549853fc87 changed: #initialize Claus Gittinger <cg@exept.de> parents: 13325 diff changeset	597	ud at:#'ms-default' put:NullEncoder.
8152 e07693c46cf5 * empty log message * ca parents: 8151 diff changeset	598
17491 6462f81e6623 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17118 diff changeset	599	"/ className decoded-name array-of-encodingNames
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	600	#(
15966 72f3e3a9ba29 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 15609 diff changeset	601	(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	602
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	603	(BIG5 unicode ( big5 ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	604
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	605	(CNS11643 unicode ( 'cns11643' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	606
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	607	(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	608
13063 a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	609	(EBCDIC unicode ( 'ebcdic' ))
a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	610
16054 171c7f8b4547 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 15966 diff changeset	611	"/ (GB2313_1980 unicode ( 'gb2313' 'gb2313-1980' ))
171c7f8b4547 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 15966 diff changeset	612
171c7f8b4547 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 15966 diff changeset	613	(GB2312_1980_0 unicode ( 'gb2312' 'gb2312.1980' 'gb2312.1980-0'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	614
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	615	(HANGUL unicode ( 'hangul' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	616
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	617	(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	618
17491 6462f81e6623 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17118 diff changeset	619	(ISO10646_to_UTF8 unicode ( utf8 'utf-8' ))
6462f81e6623 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17118 diff changeset	620	(ISO10646_to_UTF16BE unicode ( utf16b utf16be 'utf-16b' 'utf-16be' ))
6462f81e6623 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17118 diff changeset	621	(ISO10646_to_UTF16LE unicode ( utf16l utf16le 'utf-16e' 'utf-16le' ))
6462f81e6623 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17118 diff changeset	622
17495 e05b19473559 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17491 diff changeset	623	(ISO10646_to_UTF8_MAC unicode ( 'utf8-mac' 'utf-8-mac' ))
17498 4766d03d1176 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17495 diff changeset	624	(ISO10646_to_XMLUTF8 unicode ( 'utf8-XML' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	625
8855 289b5bda04bb guessEncoding - return the real encodings name Claus Gittinger <cg@exept.de> parents: 8814 diff changeset	626	(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	627
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	628	(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	629
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	630	(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	631
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	632	(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	633
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	634	(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	635
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	636	(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	637
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	638	(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	639
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	640	(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	641
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	642	(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	643
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	644	(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	645
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	646	(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	647
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	648	(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	649
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	650	(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	651
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	652	(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	653
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	654	(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	655
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	656	(JIS0201 unicode ( 'jis0201' #'jisx0201.1976-0'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	657
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	658	(JIS0208 unicode ( jis0208 'jisx0208' 'jisx0208.1983-0' 'jisx0208.1990-0'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	659
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	660	(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	661
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	662	(JIS0208_to_EUC jis0208 ( euc #'x-euc-jp' ))
8122 29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	663
8176 66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	664	(JIS0208_to_SJIS jis0208 ( 'sjis' 'shiftjis' 'x-sjis' #'x-shift-jis' #'shift-jis'))
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	665
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	666	(JIS0212 unicode ( 'jis0212' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	667
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	668	(JOHAB unicode ( 'johab' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	669
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	670	(KOI7 unicode ( 'koi7' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	671
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	672	(KOI8_R unicode ( #'koi8-r' 'cp878' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	673
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	674	(KOI8_U unicode ( #'koi8-u' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	675
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	676	(KSC5601 unicode ( #'ksc5601' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	677
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	678	(MAC_Arabic unicode ( #'mac-arabic' 'macarabic' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	679
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	680	(MAC_CentralEuropean unicode ( #'mac-centraleuropean' #'mac-centraleurope' 'maccentraleurope' 'maccentraleuropean' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	681
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	682	(MAC_Croatian unicode ( #'mac-croatian' 'maccroatian'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	683
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	684	(MAC_Cyrillic unicode ( #'mac-cyrillic' 'maccyrillic' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	685
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	686	(MAC_Dingbats unicode ( #'mac-dingbats' 'macdingbats' 'macdingbat'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	687
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	688	(MAC_Farsi unicode ( #'mac-farsi' 'macfarsi' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	689
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	690	(MAC_Greek unicode ( #'mac-greek' #'macgreek' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	691
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	692	(MAC_Hebrew unicode ( #'mac-hebrew' #'machebrew' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	693
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	694	(MAC_Iceland unicode ( #'mac-iceland' #'maciceland' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	695
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	696	(MAC_Japanese unicode ( #'mac-japanese' #'macjapanese' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	697
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	698	(MAC_Korean unicode ( #'mac-korean' #'mackorean' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	699
16522 36f64d703785 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 16054 diff changeset	700	(MAC_Roman unicode ( #'mac-roman' #'macroman' 'macintosh' 'cp10000' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	701
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	702	(MAC_Romanian unicode ( #'mac-romanian' #'macromanian' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	703
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	704	(MAC_Symbol unicode ( #'mac-symbol' #'macsymbol' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	705
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	706	(MAC_Thai unicode ( #'mac-thai' #'macthai' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	707
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	708	(MAC_Turkish unicode ( #'mac-turkish' #'macturkish' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	709
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	710	(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	711
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	712	(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	713
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	714	(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	715
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	716	(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	717
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	718	(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	719
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	720	(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	721
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	722	(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	723
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	724	"/ (MS_Symbol unicode ( 'ms-symbol' 'microsoft-symbol' ))
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	725
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	726	(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	727
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	728	(NEXT unicode ( 'next' 'nextstep' ))
8186 ae97115c26f5 * empty log message * Claus Gittinger <cg@exept.de> parents: 8176 diff changeset	729
10111 7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	730	(ISO10646_to_SGML unicode ( 'sgml' ))
7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	731	(ISO10646_to_JavaText unicode ( 'java' 'javaText' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	732	) triplesDo:[:className :decodesTo :encodesTo \|
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	733	\|dict\|
8134 0296806cb4bb * empty log message * Claus Gittinger <cg@exept.de> parents: 8132 diff changeset	734
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	735	"/ notice that the encoders are not yet installed as autoloaded.
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	736	"/ Therefore, we remember their names here.
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	737	dict := EncoderClassesByName at:decodesTo ifAbsent:nil.
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	738	dict isNil ifTrue:[
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	739	EncoderClassesByName at:decodesTo put:(dict := Dictionary new).
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	740	].
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	741	encodesTo do:[:eachEncodingAlias \|
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	742	(dict includesKey:eachEncodingAlias) ifTrue:[
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	743	self halt:'conflicting alias'
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	744	].
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	745	dict at:eachEncodingAlias put:className.
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	746	].
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	747	].
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	748
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	749	"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	750	self initialize
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	751	"
10111 7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	752
13326 41549853fc87 changed: #initialize Claus Gittinger <cg@exept.de> parents: 13325 diff changeset	753	"Modified: / 01-04-2011 / 14:30:06 / cg"
15966 72f3e3a9ba29 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 15609 diff changeset	754	"Modified (format): / 23-01-2013 / 09:56:53 / Jan Vrany <jan.vrany@fit.cvut.cz>"
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	755	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	756
8122 29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	757	!CharacterEncoder class methodsFor:'constants'!
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	jis7KanjiEscapeSequence
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	760	"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	761	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	762
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	763	Jis7KanjiEscapeSequence isNil ifTrue:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	764	Jis7KanjiEscapeSequence := Character esc asString , '$B'.
8122 29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	765	].
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	766	^ Jis7KanjiEscapeSequence.
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	767
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	768	"Created: 26.2.1996 / 17:38:08 / cg"
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	769	"Modified: 30.6.1997 / 16:03:16 / cg"
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	770	!
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	771
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	772	jis7KanjiOldEscapeSequence
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	773	"return the escape sequence used to switch to kanji in some old jis7 encoded strings."
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	774
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	775	Jis7KanjiOldEscapeSequence isNil ifTrue:[
8856 cb0a15744854 * empty log message * Claus Gittinger <cg@exept.de> parents: 8855 diff changeset	776	Jis7KanjiOldEscapeSequence := Character esc asString , '$@'.
8122 29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	777	].
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	778	^ Jis7KanjiOldEscapeSequence.
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	779	!
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	780
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	781	jis7RomanEscapeSequence
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	782	"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	783
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	784	Jis7RomanEscapeSequence isNil ifTrue:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	785	Jis7RomanEscapeSequence := Character esc asString , '(J'.
8122 29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	786	].
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	787	^ Jis7RomanEscapeSequence.
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	788
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	789	"Created: 26.2.1996 / 17:38:08 / cg"
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	790	"Modified: 30.6.1997 / 16:03:16 / cg"
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	791	!
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	792
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	793	jisISO2022EscapeSequence
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	794	"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	795
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	796	JisISO2022EscapeSequence isNil ifTrue:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	797	JisISO2022EscapeSequence := Character esc asString , '&@' , Character esc asString , '$B'.
8122 29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	798	].
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	799	^ JisISO2022EscapeSequence.
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	800	! !
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	801
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	802	!CharacterEncoder class methodsFor:'encoding & decoding'!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	803
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	804	decode:aCodePoint
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	805	^ self new decode:aCodePoint
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	806	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	807
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	808	decodeString:aString
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	809	^ self new decodeString:aString
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	810	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	811
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	812	decodeString:aString from:oldEncoding
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	813	^ self encodeString:aString from:oldEncoding into:#'unicode'
7967 f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	814	!
f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	815
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	816	encode:aCodePoint
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	817	^ self new encode:aCodePoint
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	818
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	819	"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	820	ISO8859_1 encode:16r00FF
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	821	ISO8859_1 decodeString:'hello'
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	822	ISO8859_1 encodeString:(ISO8859_1 decodeString:'hello')
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	823
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	824	ISO8859_5 decodeString:(String
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	825	with:(Character value:16rE4)
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	826	with:(Character value:16rE0))
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	827	"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	828	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	829
7994 42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	830	encode:codePoint from:oldEncodingArg into:newEncodingArg
8015 e85b0c11e871 caching encoders Claus Gittinger <cg@exept.de> parents: 7994 diff changeset	831	\|oldEncoding newEncoding encoder\|
7994 42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	832
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	833	oldEncoding := oldEncodingArg ? #'unicode'.
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	834	oldEncoding == #'iso10646-1' ifTrue:[ oldEncoding := #'unicode'].
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	835	newEncoding := newEncodingArg ? #'unicode'.
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	836	newEncoding == #'iso10646-1' ifTrue:[ newEncoding := #'unicode'].
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	837
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	838	oldEncoding == newEncoding ifTrue:[^ codePoint].
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	839
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	840	oldEncoding == #'unicode' ifTrue:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	841	newEncoding == #'iso8859-1' ifTrue:[
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	842	codePoint <= 16rFF ifTrue:[
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	843	^ codePoint
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	844	]
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	845	]
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	846	].
6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	847	newEncoding == #'unicode' ifTrue:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	848	oldEncoding == #'iso8859-1' ifTrue:[
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	849	codePoint <= 16rFF ifTrue:[
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	850	^ codePoint
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	851	]
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	852	]
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	853	].
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	854	encoder := self encoderToEncodeFrom:oldEncoding into:newEncoding.
8015 e85b0c11e871 caching encoders Claus Gittinger <cg@exept.de> parents: 7994 diff changeset	855	^ encoder encode:codePoint.
7994 42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	856	!
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	857
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	858	encodeString:aUnicodeString
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	859	"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	860
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	861	^ self new encodeString:aUnicodeString
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	862
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	863	"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	864	ISO8859_1 decodeString:'hello'
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	865	"
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	866	!
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	867
7967 f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	868	encodeString:aString from:oldEncodingArg into:newEncodingArg
8015 e85b0c11e871 caching encoders Claus Gittinger <cg@exept.de> parents: 7994 diff changeset	869	\|oldEncoding newEncoding encoder\|
7967 f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	870
14916 d81790d8f204 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 14777 diff changeset	871	"/ some hard coded aliases
7967 f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	872	oldEncoding := oldEncodingArg ? #'unicode'.
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	873	oldEncoding == #'iso10646-1' ifTrue:[ oldEncoding := #'unicode'].
14916 d81790d8f204 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 14777 diff changeset	874	oldEncoding == #'ms-default' ifTrue:[ oldEncoding := #'unicode'].
d81790d8f204 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 14777 diff changeset	875
7967 f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	876	newEncoding := newEncodingArg ? #'unicode'.
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	877	newEncoding == #'iso10646-1' ifTrue:[ newEncoding := #'unicode'].
14916 d81790d8f204 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 14777 diff changeset	878	newEncoding == #'ms-default' ifTrue:[ newEncoding := #'unicode'].
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	879
7967 f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	880	oldEncoding == newEncoding ifTrue:[^ aString].
f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	881
14916 d81790d8f204 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 14777 diff changeset	882	"/ 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	883	oldEncoding == #'unicode' ifTrue:[
14916 d81790d8f204 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 14777 diff changeset	884	(newEncoding == #'iso8859-1') ifTrue:[
14559 9a046528632d class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 14523 diff changeset	885	aString isWideString ifFalse:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	886	^ aString
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	887	]
14916 d81790d8f204 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 14777 diff changeset	888	].
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	889	].
6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	890	newEncoding == #'unicode' ifTrue:[
14916 d81790d8f204 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 14777 diff changeset	891	(oldEncoding == #'iso8859-1') ifTrue:[
14559 9a046528632d class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 14523 diff changeset	892	aString isWideString ifFalse:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	893	^ aString
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	894	]
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	895	]
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	896	].
6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	897
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	898	encoder := self encoderToEncodeFrom:oldEncoding into:newEncoding.
8015 e85b0c11e871 caching encoders Claus Gittinger <cg@exept.de> parents: 7994 diff changeset	899	^ encoder encodeString:aString.
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	900	!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	901
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	902	encodeString:aString into:newEncoding
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	903	^ self encodeString:aString from:#'unicode' into:newEncoding
13063 a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	904
a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	905	"
a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	906	self encodeString:'hello' into:#ebcdic
a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	907
a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	908	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	909	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	910	"
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	911	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	912
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	913	!CharacterEncoder class methodsFor:'private'!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	914
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	915	flushCode
8127 7531ed2cdf35 * empty log message * Claus Gittinger <cg@exept.de> parents: 8126 diff changeset	916	self initialize.
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	917
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	918	self isAbstract ifFalse:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	919	(self mapFileURL1_relativePathName notNil
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	920	or:[ self mapFileURL2_relativePathName notNil]) ifTrue:[
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	921	self class removeSelector:#mapping.
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	922	].
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	923	].
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	924
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	925	"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	926	self flushCode
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	927	"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	928	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	929
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	930	!CharacterEncoder class methodsFor:'private-mapping setup'!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	931
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	932	generateCode
7909 a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	933	(CharacterEncoderCodeGenerator new targetClass:self) generateCode.
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	934	!
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	935
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	936	generateSubclassCode
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	937	(CharacterEncoderCodeGenerator new targetClass:self) generateSubclassCode.
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	938	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	939
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	940	mapFileURL1_codeColumn
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	941	^ 1
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	942	!
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	943
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	944	mapFileURL1_relativePathName
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	945	"raise an error: must be redefined in concrete subclass(es)"
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	946
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	947	^ nil
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	948	!
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	949
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	950	mapFileURL2_relativePathName
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	951	"raise an error: must be redefined in concrete subclass(es)"
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	952
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	953	^ nil
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	954	!
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	955
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	956	mappingURL1
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	957	"raise an error: must be redefined in concrete subclass(es)"
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	958
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	959	\|rel\|
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	960
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	961	rel := self mapFileURL1_relativePathName.
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	962	rel isNil ifTrue:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	963	^ nil
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	964	].
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	965	^ 'http://www.unicode.org/Public/MAPPINGS/' , rel
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	966	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	967
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	968	mappingURL2
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	969	"raise an error: must be redefined in concrete subclass(es)"
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	970
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	971	\|rel\|
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	972
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	973	rel := self mapFileURL2_relativePathName.
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	974	rel isNil ifTrue:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	975	^ nil
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	976	].
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	977	^ 'http://std.dkuug.dk/i18n/charmaps/' , rel
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	978	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	979
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	980	!CharacterEncoder class methodsFor:'queries'!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	981
7938 a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	982	isEncoding:subSetEncodingArg subSetOf:superSetEncodingArg
7994 42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	983	"return true, if superSetEncoding encoding includes all characters of subSetEncoding.
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	984	(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	985
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	986	\|subSetEncoding superSetEncoding\|
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	987
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	988	subSetEncodingArg = superSetEncodingArg ifTrue:[^ true].
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	989	subSetEncoding := subSetEncodingArg asLowercase.
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	990	superSetEncoding := superSetEncodingArg asLowercase.
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	991
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	992	(subSetEncoding match:superSetEncoding) ifTrue:[^ true].
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	993
8214 406c7fc10e12 assume ms-ansi is same as unicode Claus Gittinger <cg@exept.de> parents: 8211 diff changeset	994	(('iso10646*' match:superSetEncoding)
406c7fc10e12 assume ms-ansi is same as unicode Claus Gittinger <cg@exept.de> parents: 8211 diff changeset	995	or:[superSetEncoding = 'unicode'
406c7fc10e12 assume ms-ansi is same as unicode Claus Gittinger <cg@exept.de> parents: 8211 diff changeset	996	or:[superSetEncoding = 'ms-ansi']]) ifTrue:[
406c7fc10e12 assume ms-ansi is same as unicode Claus Gittinger <cg@exept.de> parents: 8211 diff changeset	997	"/ assume that any character is in unicode
406c7fc10e12 assume ms-ansi is same as unicode Claus Gittinger <cg@exept.de> parents: 8211 diff changeset	998	^ true.
7938 a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	999	].
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	1000
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	1001	"/ 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	1002	((subSetEncoding = 'iso8859') or:[subSetEncoding = 'iso8859-']) ifTrue:[
8168 8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	1003	('ascii*' match:superSetEncoding) ifTrue:[^ true].
8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	1004	('ms-ansi*' match:superSetEncoding) ifTrue:[^ true].
7938 a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	1005	].
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	1006	(subSetEncoding = 'ascii') ifTrue:[
8168 8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	1007	('iso8859*' match:superSetEncoding) ifTrue:[^ true].
8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	1008	('ms-ansi*' match:superSetEncoding) ifTrue:[^ true].
7938 a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	1009	].
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	1010
7923 e8286ccdf20c * empty log message * Claus Gittinger <cg@exept.de> parents: 7922 diff changeset	1011	"/ TODO: check the charSets mappingTables...
e8286ccdf20c * empty log message * Claus Gittinger <cg@exept.de> parents: 7922 diff changeset	1012	"/ self halt.
e8286ccdf20c * empty log message * Claus Gittinger <cg@exept.de> parents: 7922 diff changeset	1013	^ false.
e8286ccdf20c * empty log message * Claus Gittinger <cg@exept.de> parents: 7922 diff changeset	1014	!
e8286ccdf20c * empty log message * Claus Gittinger <cg@exept.de> parents: 7922 diff changeset	1015
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1016	nameOfDecodedCode
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1017	"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	1018	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	1019
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1020	^ #'unicode'
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1021	!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1022
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1023	nameOfEncoding
7974 9905043988ee * empty log message * Claus Gittinger <cg@exept.de> parents: 7973 diff changeset	1024	^ (self nameWithoutPrefix asLowercase copyReplaceAll:$_ with:$-) asSymbol
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1025	!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1026
7959 0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1027	supportedExternalEncodings
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1028	"return an array of arrays containing the names of supported
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1029	encodings which are supported for external resources (i.e. files).
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1030	The first element contains the internally used symbolic name,
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1031	the second contains a user-readable string (description).
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1032	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	1033
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1034	^ #(
8176 66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1035	('utf8' 'Unicode as 8Bit characters' )
8904 d358f0a17f07 utf16 support Claus Gittinger <cg@exept.de> parents: 8856 diff changeset	1036	('utf16BE' 'Unicode as 16Bit big-endian' )
d358f0a17f07 utf16 support Claus Gittinger <cg@exept.de> parents: 8856 diff changeset	1037	('utf16LE' 'Unicode as 16Bit little-endian' )
8176 66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1038	"/ ('utf7' 'Unicode as 7Bit characters' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1039	"/ nil
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1040	('ascii' 'Common 7bit subset of iso8859' )
14188 9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1041	('iso8859-1' 'Western' )
9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1042	('iso8859-2' 'Central European' )
9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1043	('iso8859-3' 'South European' )
9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1044	('iso8859-4' 'Baltic' )
8176 66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1045	('iso8859-5' 'Cyrillic' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1046	('iso8859-6' 'Arabic' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1047	('iso8859-7' 'Greek' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1048	('iso8859-8' 'Hebrew' )
14188 9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1049	('iso8859-15' 'Western with Euro' )
9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1050	('iso8859-16' 'South European with Euro' )
8176 66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1051	"/ nil
16522 36f64d703785 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 16054 diff changeset	1052	('macintosh' 'MAC Western' )
36f64d703785 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 16054 diff changeset	1053	"/ nil
8176 66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1054	('koi7' 'Cyrillic (Old)' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1055	('koi8-r' 'Cyrillic' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1056	('koi8-u' 'Cyrillic (Ukraine)' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1057	"/ nil
14188 9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1058	('cp437' 'Windows US / codepage 437' )
9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1059	('cp850' 'Windows Latin1 / codepage 850' )
9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1060	('cp1250' 'Windows Latin2 / codepage 1250' )
9ff8607b11a4 #userFriendlyName Stefan Vogel <sv@exept.de> parents: 14174 diff changeset	1061	('cp1251' 'Windows Cyrillic / codepage 1251')
8176 66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1062	"/ ('mac' 'macintosh 8 bit' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1063	('next' 'NeXT 8 bit' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1064	"/ ('hp' 'hpux 8 bit' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1065	"/ nil
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1066	('euc' 'EUC - extended unix code (japanese)' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1067	('jis7' 'JIS7 - jis 7bit escape codes (japanese)' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1068	('iso-2022-jp' 'Same as jis 7bit' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1069	('sjis' 'SJIS - shift jis 8bit codes (japanese)' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1070	"/ nil
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1071	('gb' 'GB - mainland china' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1072	('big5' 'BIG5 - taiwan' )
7959 0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1073	"/ ('ksc' 'korean' )
8186 ae97115c26f5 * empty log message * Claus Gittinger <cg@exept.de> parents: 8176 diff changeset	1074	('sgml' 'SGML (XML/HTML) character escapes' )
10111 7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	1075	('java' 'JavaText (\uXXXX) character escapes' )
7959 0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1076	)
10111 7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	1077
7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	1078	"Modified: / 23-10-2006 / 13:27:48 / cg"
7959 0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1079	!
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1080
7947 16b2306f9bc9 utf8 - full 30 bit range Claus Gittinger <cg@exept.de> parents: 7942 diff changeset	1081	userFriendlyNameOfEncoding
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1082	^ self nameOfEncoding asUppercaseFirst
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1083	! !
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1084
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	1085	!CharacterEncoder class methodsFor:'testing'!
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	1086
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	1087	isAbstract
11228 10b5c088d8f2 comment Claus Gittinger <cg@exept.de> parents: 10672 diff changeset	1088	"Return if this class is an abstract class.
10b5c088d8f2 comment Claus Gittinger <cg@exept.de> parents: 10672 diff changeset	1089	True is returned for CharacterEncoder here; false for subclasses.
10b5c088d8f2 comment Claus Gittinger <cg@exept.de> parents: 10672 diff changeset	1090	Abstract subclasses must redefine again."
10b5c088d8f2 comment Claus Gittinger <cg@exept.de> parents: 10672 diff changeset	1091
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	1092	^ self == CharacterEncoder
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	1093	! !
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	1094
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1095	!CharacterEncoder class methodsFor:'utilities'!
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1096
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1097	guessEncodingOfBuffer:buffer
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1098	"look for a string of the form
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1099	encoding #name
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1100	or:
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1101	encoding: name
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1102	within the given buffer
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1103	(which is usually the first few bytes of a textFile)."
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1104
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1105	\|lcBuffer quote peek\|
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1106
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1107	buffer size < 4 ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1108	"not enough bytes to determine the contents"
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1109	^ nil.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1110	].
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1111
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1112	"check the Byte Order Mark (BOM)"
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1113	peek := (buffer at:1) codePoint.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1114	peek < 16rFE ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1115	(peek = 16rEF
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1116	and:[(buffer at:2) codePoint = 16rBB
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1117	and:[(buffer at:3) codePoint = 16rBF]]) ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1118	^ #utf8
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1119	].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1120	(peek = 0
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1121	and:[(buffer at:2) codePoint = 0
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1122	and:[(buffer at:3) codePoint = 16rFE
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1123	and:[(buffer at:4) codePoint = 16rFF]]]) ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1124	^ #utf32be
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1125	].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1126	] ifFalse:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1127	peek = 16rFF ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1128	(buffer at:2) codePoint = 16rFE ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1129	"little endian"
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1130	((buffer at:3) codePoint = 0 and:[(buffer at:4) codePoint = 0]) ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1131	^ #utf32le.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1132	].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1133	^ #utf16le
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1134	].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1135	] ifFalse:["peek = 16rFE"
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1136	(buffer at:2) codePoint = 16rFF ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1137	"big endian"
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1138	^ #utf16be
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1139	].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1140	]
10672 b6230a13035b #guessEncodingOfBuffer - do NOT handle encoding=utf8 Stefan Vogel <sv@exept.de> parents: 10111 diff changeset	1141	].
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1142
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1143	lcBuffer := buffer asLowercase.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1144
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1145	"now look for an inline encoding markup"
10672 b6230a13035b #guessEncodingOfBuffer - do NOT handle encoding=utf8 Stefan Vogel <sv@exept.de> parents: 10111 diff changeset	1146	#(charset encoding) do:[:keyWord \|
8855 289b5bda04bb guessEncoding - return the real encodings name Claus Gittinger <cg@exept.de> parents: 8814 diff changeset	1147	\|encoderOrNil idx s w enc\|
289b5bda04bb guessEncoding - return the real encodings name Claus Gittinger <cg@exept.de> parents: 8814 diff changeset	1148
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1149	(idx := lcBuffer findString:keyWord) ~~ 0 ifTrue:[
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1150	s := ReadStream on:buffer.
15609 36dd250b19f4 class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 14916 diff changeset	1151	s position:idx-1.
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1152	s skip:keyWord size.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1153	s skipSeparators.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1154
10672 b6230a13035b #guessEncodingOfBuffer - do NOT handle encoding=utf8 Stefan Vogel <sv@exept.de> parents: 10111 diff changeset	1155	"do not include '=' here, otherwise
b6230a13035b #guessEncodingOfBuffer - do NOT handle encoding=utf8 Stefan Vogel <sv@exept.de> parents: 10111 diff changeset	1156	files containing xml code (<?xml charset='utf8'> will be parsed as UTF-8"
b6230a13035b #guessEncodingOfBuffer - do NOT handle encoding=utf8 Stefan Vogel <sv@exept.de> parents: 10111 diff changeset	1157
11300 2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1158	[':#=' includes:s peek] whileTrue:[
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1159	s next.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1160	s skipSeparators.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1161	].
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1162	s skipSeparators.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1163	('"''' includes:s peek) ifTrue:[
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1164	quote := s next.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1165	w := s upTo:quote.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1166	] ifFalse:[
16607 6d55ad009efc class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 16522 diff changeset	1167	w := s upToElementForWhich:[:ch \| ch isSeparator or:[ch == $" or:[ch == $' or:[ch == $> ]]]].
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1168	].
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1169	w notNil ifTrue:[
11300 2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1170	enc := w withoutQuotes.
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1171	(enc startsWith:'x-') ifTrue:[
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1172	enc := enc copyFrom:3.
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1173	].
10672 b6230a13035b #guessEncodingOfBuffer - do NOT handle encoding=utf8 Stefan Vogel <sv@exept.de> parents: 10111 diff changeset	1174	encoderOrNil := self encoderFor:enc ifAbsent:nil.
8855 289b5bda04bb guessEncoding - return the real encodings name Claus Gittinger <cg@exept.de> parents: 8814 diff changeset	1175	encoderOrNil notNil ifTrue:[
289b5bda04bb guessEncoding - return the real encodings name Claus Gittinger <cg@exept.de> parents: 8814 diff changeset	1176	^ encoderOrNil nameOfEncoding
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1177	].
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1178	"/ enc size >=3 ifTrue:[
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1179	"/ Transcript showCR:'Unknown encoding: ' , (withoutQuotes value:w).
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1180	"/ ]
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1181	].
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1182	].
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1183	].
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1184
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1185	"/ look for JIS7 / EUC encoding
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1186	(buffer findString:self jisISO2022EscapeSequence) ~~ 0 ifTrue:[
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1187	^ #'iso2020-jp'
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1188	].
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1189	(buffer findString:self jis7KanjiEscapeSequence) ~~ 0 ifTrue:[
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1190	^ #jis7
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1191	].
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1192	(buffer findString:self jis7KanjiOldEscapeSequence) ~~ 0 ifTrue:[
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1193	^ #jis7
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1194	].
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1195
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1196	"/ TODO:
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1197
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1198	"/ "/ look for EUC
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1199	"/ idx := aString findFirst:[:char \| \|ascii\|
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1200	"/ ((ascii := char asciiValue) >= 16rA1)
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1201	"/ and:[ascii <= 16rFE]].
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1202	"/ idx ~~ 0 ifTrue:[
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1203	"/ ascii := (aString at:(idx + 1)) asciiValue.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1204	"/ (ascii >= 16rA1 and:[ascii <= 16rFE]) ifTrue:[
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1205	"/ ^ #euc
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1206	"/ ]
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1207	"/ ].
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1208	"/ look for SJIS ...
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1209
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1210	^ nil
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1211	!
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1212
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1213	guessEncodingOfFile:aFilename
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1214	"look for a string
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1215	encoding #name
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1216	or:
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1217	encoding: name
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1218	within the given buffer
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1219	(which is usually the first few bytes of a textFile).
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1220	If thats not found, use heuristics (in CharacterArray) to guess."
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1221
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1222	\|s buffer n "{Class: SmallInteger }"\|
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1223
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1224	s := aFilename asFilename readStreamOrNil.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1225	s isNil ifTrue:[^ nil].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1226
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1227	buffer := String new:64.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1228	n := s nextBytes:buffer size into:buffer.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1229	s close.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1230
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1231	^ self guessEncodingOfBuffer:buffer.
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1232
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1233	"
14094 b4db3e0f0102 changed: Stefan Vogel <sv@exept.de> parents: 13382 diff changeset	1234	self guessEncodingOfFile:'../../libview/resources/de.rs' asFilename
b4db3e0f0102 changed: Stefan Vogel <sv@exept.de> parents: 13382 diff changeset	1235	self guessEncodingOfFile:'../../libview/resources/ru.rs' asFilename
b4db3e0f0102 changed: Stefan Vogel <sv@exept.de> parents: 13382 diff changeset	1236	self guessEncodingOfFile:'../../libview/resources/th.rs' asFilename
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1237	"
13382 8e998649b3ac changed: Claus Gittinger <cg@exept.de> parents: 13326 diff changeset	1238
8e998649b3ac changed: Claus Gittinger <cg@exept.de> parents: 13326 diff changeset	1239	"Modified: / 31-05-2011 / 15:45:19 / cg"
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1240	!
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1241
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1242	guessEncodingOfStream:aStream
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1243	"look for a string of the form
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1244	encoding #name
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1245	or:
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1246	encoding: name
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1247	in the first few bytes of aStream."
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1248
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1249	\|oldPosition buffer n\|
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1250
13382 8e998649b3ac changed: Claus Gittinger <cg@exept.de> parents: 13326 diff changeset	1251	buffer := String new:64.
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1252
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1253	oldPosition := aStream position.
14094 b4db3e0f0102 changed: Stefan Vogel <sv@exept.de> parents: 13382 diff changeset	1254	n := aStream nextBytes:buffer size into:buffer.
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1255	aStream position:oldPosition.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1256
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1257	^ self guessEncodingOfBuffer:buffer
13382 8e998649b3ac changed: Claus Gittinger <cg@exept.de> parents: 13326 diff changeset	1258
8e998649b3ac changed: Claus Gittinger <cg@exept.de> parents: 13326 diff changeset	1259	"Modified: / 31-05-2011 / 15:45:23 / cg"
8810 8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1260	!
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1261
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1262	showCharacterSet
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1263	\|font\|
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1264
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1265	font := View defaultFont.
14206 70aa64d89dca comment/format in: #showCharacterSet Stefan Vogel <sv@exept.de> parents: 14188 diff changeset	1266	"/ 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	1267
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1268	CharacterSetView
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1269	openOn:font
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1270	label:'Characters of ',self nameWithoutPrefix
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1271	clickLabel:nil
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1272	asInputFor:nil
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1273	encoder:self
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1274
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1275	"
14206 70aa64d89dca comment/format in: #showCharacterSet Stefan Vogel <sv@exept.de> parents: 14188 diff changeset	1276	CharacterEncoderImplementations::MS_Ansi showCharacterSet
8810 8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1277	"
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1278	! !
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1279
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1280	!CharacterEncoder methodsFor:'encoding & decoding'!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1281
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1282	decode:anEncoding
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1283	"given an integer in my encoding, return a unicode codePoint for it"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1284
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1285	self subclassResponsibility
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1286	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1287
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1288	decodeString:anEncodedString
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1289	"given a string in my encoding, return a unicode-string for it"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1290
8150 ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1291	\|newString myCode uniCodePoint bits\|
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1292
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1293	newString := String new:(anEncodedString size).
8150 ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1294	bits := newString bitsPerCharacter.
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1295
8150 ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1296	1 to:anEncodedString size do:[:idx \|
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1297	uniCodePoint := (anEncodedString at:idx) codePoint.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1298	myCode := self decode:uniCodePoint.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1299	myCode > 16rFF ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1300	myCode > 16rFFFF ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1301	bits < 32 ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1302	newString := Unicode32String fromString:newString.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1303	bits := 32.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1304	]
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1305	] ifFalse:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1306	bits < 16 ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1307	newString := Unicode16String fromString:newString.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1308	bits := 16.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1309	]
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1310	]
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1311	].
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1312	newString at:idx put:(Character value:myCode).
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1313	].
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1314	^ newString
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1315
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1316	"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1317	ISO8859_1 decodeString:'hello'
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
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1321	encode:aCodePoint
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1322	"given a codePoint in unicode, return a byte in my encoding for it"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1323
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1324	self subclassResponsibility
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1325	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1326
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1327	encodeString:aUnicodeString
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1328	"given a string in unicode, return a string in my encoding for it"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1329
8150 ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1330	\|newString myCode uniCodePoint bits\|
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1331
8150 ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1332	newString := String new:(aUnicodeString size).
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1333	bits := newString bitsPerCharacter.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1334
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1335	1 to:aUnicodeString size do:[:idx \|
8150 ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1336	uniCodePoint := (aUnicodeString at:idx) codePoint.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1337	myCode := self encode:uniCodePoint.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1338	myCode > 16rFF ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1339	myCode > 16rFFFF ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1340	bits < 32 ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1341	newString := Unicode32String fromString:newString.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1342	bits := 32.
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	] ifFalse:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1345	bits < 16 ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1346	newString := Unicode16String fromString:newString.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1347	bits := 16.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1348	]
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1349	]
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1350	].
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1351	newString at:idx put:(Character value:myCode).
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1352	].
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1353	^ newString
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	1354	!
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	1355
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	1356	encodeString:aUnicodeString on:aStream
18141 65e703bac1cc class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18136 diff changeset	1357	"given a string in unicode, encode it onto aStream.
18142 cfbb3b0237a9 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18141 diff changeset	1358	Subclasses can redefine this to avoid allocating many new string instances.
cfbb3b0237a9 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18141 diff changeset	1359	(but must then also redefine encodeString:aUnicodeString to collect the characters)"
17664 9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	1360
9f921fb412cd class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 17529 diff changeset	1361	aStream nextPutAll:(self encodeString:aUnicodeString).
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1362	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1363
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1364	!CharacterEncoder methodsFor:'error handling'!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1365
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1366	decodingError
7904 e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1367	"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	1368	(which is unlikely) or that the encoding is undefined for that value
e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1369	(for example, holes in the ISO8859-3 encoding)"
e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1370
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1371	\|badCodePoint sender\|
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1372
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1373	sender := thisContext sender.
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1374	((sender selector == #encode:) or:[sender selector == #decode:]) ifFalse:[
11295 94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1375	badCodePoint := sender methodHome argAt:1
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1376	].
11295 94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1377	^ (DecodingError new)
94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1378	defaultValue:(self defaultDecoderValue);
94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1379	parameter:badCodePoint;
94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1380	messageText:'invalid code';
94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1381	suspendedContext:sender;
94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1382	raiseRequest.
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1383	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1384
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1385	defaultDecoderValue
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1386	"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	1387	for a given encoded codePoint.
7904 e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1388	(typically 16rFFFF)."
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1389
7904 e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1390	^ 16rFFFF
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1391	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1392
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1393	defaultEncoderValue
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1394	"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	1395	for a given unicode codePoint.
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1396	(typically $?)."
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1397
8101 f7023a4735bf Use the ANSI-blessed #codePoint instead of deprecated #asciiValue Stefan Vogel <sv@exept.de> parents: 8087 diff changeset	1398	^ $? codePoint
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1399	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1400
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1401	encodingError
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1402	"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	1403
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1404	\|badCodePoint sender\|
7904 e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1405
e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1406	sender := thisContext sender.
e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1407	((sender selector == #encode:) or:[sender selector == #decode:]) ifFalse:[
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1408	badCodePoint := sender methodHome argAt:1
7904 e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1409	].
8048 293c8178c6eb utf8 errors Claus Gittinger <cg@exept.de> parents: 8033 diff changeset	1410	^ (EncodingError new)
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1411	defaultValue:(self defaultEncoderValue);
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1412	parameter:badCodePoint;
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1413	messageText:'unrepresentable code (some character cannot be represented)';
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1414	suspendedContext:sender;
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1415	raiseRequest
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1416
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1417	"Modified: / 12-07-2012 / 20:36:37 / cg"
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1418	! !
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1419
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1420	!CharacterEncoder methodsFor:'printing'!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1421
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1422	printOn:aStream
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1423	aStream
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1424	nextPutAll:(self nameOfDecodedCode);
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1425	nextPutAll:'->';
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1426	nextPutAll:(self nameOfEncoding)
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1427	! !
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1428
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1429	!CharacterEncoder methodsFor:'private'!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1430
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1431	newString:size
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1432	self subclassResponsibility
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1433	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1434
7917 3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1435	!CharacterEncoder methodsFor:'queries'!
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1436
11975 7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1437	characterSize:codePoint
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1438	"return the number of bytes required to encode codePoint"
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1439
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1440	^ self subclassResponsibility
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1441
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1442	"Created: / 15-06-2005 / 15:11:04 / janfrog"
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1443	!
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1444
17118 fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1445	isEncoderFor:encoding
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1446	"does this encode to encoding?"
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1447
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1448	\|encodingNameSymbol\|
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1449
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1450	encodingNameSymbol := encoding asLowercase.
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1451	encodingNameSymbol = #'iso10646-1' ifTrue:[ encodingNameSymbol := #unicode].
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1452
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1453	^ encodingNameSymbol = self nameOfEncoding
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1454	!
fcf86d824eeb class: CharacterEncoder Stefan Vogel <sv@exept.de> parents: 16628 diff changeset	1455
7917 3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1456	isNullEncoder
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1457	^ false
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1458	!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1459
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1460	nameOfDecodedCode
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1461	"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	1462	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	1463
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1464	^ self class nameOfDecodedCode
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
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1467	nameOfEncoding
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1468	^ self class nameOfEncoding
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1469	!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1470
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1471	userFriendlyNameOfEncoding
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1472	^ self class userFriendlyNameOfEncoding
7917 3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1473	! !
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	!CharacterEncoder methodsFor:'stream support'!
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1476
12608 aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1477	readNext:charactersToRead charactersFrom:stream
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1478	^ self decodeString:(stream next:charactersToRead)
11975 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
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1481	readNextCharacterFrom:aStream
12608 aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1482
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1483	\| c \|
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1484
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1485	c := aStream next.
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1486
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1487	^ c isNil
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1488	ifTrue: [nil]
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1489	ifFalse: [(self decode:c asInteger) asCharacter]
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1490
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1491	"Created: / 14-06-2005 / 17:03:21 / janfrog"
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1492	"Modified: / 15-06-2005 / 15:27:49 / janfrog"
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1493	"Modified: / 20-06-2005 / 13:13:52 / masca"
12435 539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1494	!
11975 7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1495
12435 539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1496	readNextInputCharacterFrom:aStream
12608 aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1497	^ aStream next
11975 7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1498	! !
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1499
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1500	!CharacterEncoder::CompoundEncoder class methodsFor:'documentation'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1501
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1502	documentation
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1503	"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1504	A compoundEncoder uses two real encoders;
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1505	to encode:
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1506	string -> decoder(encode) -> encoder -> result
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1507	to decode:
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1508	string -> encoder -> decoder -> result
7956 c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1509
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1510	\|e\|
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1511
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1512	e := CompoundEncoder new.
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1513	e encoder:ISO8859_5 decoder:KOI8_R.
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1514	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	1515	e encode:16rE1.
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1516	"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1517	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1518
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1519	!CharacterEncoder::CompoundEncoder methodsFor:'accessing'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1520
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1521	encoder:encoderArg decoder:decoderArg
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1522	"set instance variables (automatically generated)"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1523
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1524	decoder := decoderArg.
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1525	encoder := encoderArg.
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1526	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1527
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1528	!CharacterEncoder::CompoundEncoder methodsFor:'encoding & decoding'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1529
7956 c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1530	decode:aCode
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1531	^ decoder encode:(encoder decode:aCode)
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1532	!
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1533
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1534	decodeString:aString
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1535	^ decoder encodeString:(encoder decodeString:aString)
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1536	!
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1537
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1538	encode:aCode
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1539	^ encoder encode:(decoder decode:aCode)
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1540	!
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	encodeString:aString
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1543	^ encoder encodeString:(decoder decodeString:aString)
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1544	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1545
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1546	!CharacterEncoder::CompoundEncoder methodsFor:'printing'!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1547
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1548	printOn:aStream
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1549	aStream
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1550	nextPutAll:(decoder nameOfEncoding);
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1551	nextPutAll:'->'.
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1552	"/ nextPutAll:(decoder nameOfDecodedCode);
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1553	"/ nextPutAll:'->';
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1554	"/ nextPutAll:(encoder nameOfEncoding)
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1555	encoder printOn:aStream
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1556	! !
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1557
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1558	!CharacterEncoder::DefaultEncoder class methodsFor:'documentation'!
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1559
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1560	documentation
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1561	"
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1562	That is only a dummy for ST80 compatibility
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1563	"
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1564	! !
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1565
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1566	!CharacterEncoder::InverseEncoder class methodsFor:'documentation'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1567
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1568	documentation
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1569	"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1570	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	1571	and decode is really an encode.
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1572	"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1573	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1574
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1575	!CharacterEncoder::InverseEncoder methodsFor:'accessing'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1576
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1577	decoder:something
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1578	decoder := something.
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
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1581	!CharacterEncoder::InverseEncoder methodsFor:'encoding & decoding'!
7914 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	decode:aCode
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1584	^ decoder encode:aCode
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1585	!
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1586
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1587	decodeString:aString
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1588	^ decoder encodeString:aString
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1589	!
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1590
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1591	encode:aCode
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1592	^ decoder decode:aCode
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1593	!
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1594
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1595	encodeString:aString
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1596	^ decoder decodeString:aString
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1597	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1598
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1599	!CharacterEncoder::InverseEncoder methodsFor:'printing'!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1600
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1601	printOn:aStream
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1602	aStream
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1603	nextPutAll:(decoder nameOfEncoding);
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1604	nextPutAll:'->';
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1605	nextPutAll:(decoder nameOfDecodedCode)
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1606	! !
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1607
12435 539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1608	!CharacterEncoder::InverseEncoder methodsFor:'queries'!
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1609
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1610	characterSize:charOrcodePoint
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1611	^ decoder characterSize:charOrcodePoint
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1612	! !
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1613
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1614	!CharacterEncoder::InverseEncoder methodsFor:'stream support'!
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1615
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1616	readNextInputCharacterFrom:aStream
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1617	^ decoder readNextInputCharacterFrom:aStream
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1618	! !
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1619
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1620	!CharacterEncoder::NullEncoder class methodsFor:'documentation'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1621
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1622	documentation
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	A NullEncoder does nothing.
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1625	"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1626	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1627
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1628	!CharacterEncoder::NullEncoder methodsFor:'encoding & decoding'!
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1629
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1630	decode:aCode
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1631	^ aCode
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1632	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1633
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1634	decodeString:aString
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1635	^ aString
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1636	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1637
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1638	encode:aCode
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1639	^ aCode
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1640	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1641
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1642	encodeString:aString
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1643	^ aString
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1644	! !
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1645
7917 3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1646	!CharacterEncoder::NullEncoder methodsFor:'queries'!
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1647
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1648	isNullEncoder
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1649	^ true
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1650	! !
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1651
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1652	!CharacterEncoder::OtherEncoding class methodsFor:'private'!
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1653
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1654	flushCode
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1655	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1656
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1657	generateEncoderCode
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1658	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1659
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1660	!CharacterEncoder::TwoStepEncoder class methodsFor:'documentation'!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1661
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1662	documentation
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1663	"
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1664	A twoStepEncoder uses two real encoders;
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1665	to encode:
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1666	string -> encoder1(encode) -> encoder2(encode) -> result
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1667	to decode:
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1668	string -> encoder2(decode) -> encoder1(decode) -> result
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1669	"
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1670	! !
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1671
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1672	!CharacterEncoder::TwoStepEncoder methodsFor:'accessing'!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1673
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1674	encoder1:encoder1Arg encoder2:encoder2Arg
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1675	"set instance variables (automatically generated)"
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1676
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1677	encoder1 := encoder1Arg.
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1678	encoder2 := encoder2Arg.
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1679	! !
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1680
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1681	!CharacterEncoder::TwoStepEncoder methodsFor:'encoding & decoding'!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1682
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1683	decode:aCode
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1684	^ encoder1 decode:(encoder2 decode:aCode)
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1685	!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1686
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1687	decodeString:aString
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1688	^ encoder1 decodeString:(encoder2 decodeString:aString)
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1689	!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1690
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1691	encode:aCode
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1692	^ encoder2 encode:(encoder1 encode:aCode)
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1693	!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1694
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1695	encodeString:aString
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1696	^ encoder2 encodeString:(encoder1 encodeString:aString)
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1697	! !
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1698
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1699	!CharacterEncoder::TwoStepEncoder methodsFor:'printing'!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1700
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1701	printOn:aStream
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1702	aStream
14209 912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1703	nextPutAll:(encoder1 nameOfDecodedCode);
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1704	nextPutAll:'->';
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1705	nextPutAll:(encoder1 nameOfEncoding);
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1706	nextPutAll:'->';
912e4845d386 changed: #encodingError Claus Gittinger <cg@exept.de> parents: 14207 diff changeset	1707	nextPutAll:(encoder2 nameOfEncoding)
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1708	! !
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1709
11300 2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1710	!CharacterEncoder::TwoStepEncoder methodsFor:'queries'!
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1711
14523 91746a24d5ad characterSize: query was missing Claus Gittinger <cg@exept.de> parents: 14209 diff changeset	1712	characterSize:codePoint
91746a24d5ad characterSize: query was missing Claus Gittinger <cg@exept.de> parents: 14209 diff changeset	1713	"/ 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	1714	^ (encoder2 characterSize:codePoint)
91746a24d5ad characterSize: query was missing Claus Gittinger <cg@exept.de> parents: 14209 diff changeset	1715
91746a24d5ad characterSize: query was missing Claus Gittinger <cg@exept.de> parents: 14209 diff changeset	1716	"Created: / 22-11-2012 / 13:07:47 / cg"
91746a24d5ad characterSize: query was missing Claus Gittinger <cg@exept.de> parents: 14209 diff changeset	1717	!
91746a24d5ad characterSize: query was missing Claus Gittinger <cg@exept.de> parents: 14209 diff changeset	1718
11300 2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1719	nameOfEncoding
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1720	^ "encoder1 nameOfEncoding , '-' ," encoder2 nameOfEncoding
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1721
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1722
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1723
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1724
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1725
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1726
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1727
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1728
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1729
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1730
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1731
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1732
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1733
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1734
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1735
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1736
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1737	! !
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1738
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1739	!CharacterEncoder class methodsFor:'documentation'!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1740
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1741	version
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	1742	^ '$Header: /cvs/stx/stx/libbasic/CharacterEncoder.st,v 1.139 2015-04-29 11:21:18 cg Exp $'
12435 539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1743	!
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1744
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1745	version_CVS
18305 6f48f7030f47 class: CharacterEncoder Claus Gittinger <cg@exept.de> parents: 18159 diff changeset	1746	^ '$Header: /cvs/stx/stx/libbasic/CharacterEncoder.st,v 1.139 2015-04-29 11:21:18 cg Exp $'
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1747	! !
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1748
14777 a669080229da add user friendly name to semaphores Stefan Vogel <sv@exept.de> parents: 14559 diff changeset	1749
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1750	CharacterEncoder initialize!

author	Stefan Vogel <sv@exept.de>
	Mon, 08 Jun 2015 17:51:54 +0200
changeset 18463	8c5f3917b2e8
parent 18305	6f48f7030f47
child 18308	0e48540e3b9f
child 18624	1f113cce940e
permissions	-rw-r--r--