hg/stx-libbasic: CharacterEncoder.st@3a4f041c94a2 (annotated)

8048 293c8178c6eb utf8 errors Claus Gittinger <cg@exept.de> parents: 8033 diff changeset	1	"
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	2	COPYRIGHT (c) 2004 by eXept Software AG
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	3	All Rights Reserved
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	4
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	5	This software is furnished under a license and may be used
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	6	only in accordance with the terms of that license and with the
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	7	inclusion of the above copyright notice. This software may not
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	8	be provided or otherwise made available to, or used by, any
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	9	other person. No title to or ownership of the software is
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	10	hereby transferred.
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	11	"
8114 05274a80fcc4 separated implementation into dynamically (lazy) loaded classes Claus Gittinger <cg@exept.de> parents: 8105 diff changeset	12	"{ Package: 'stx:libbasic' }"
05274a80fcc4 separated implementation into dynamically (lazy) loaded classes Claus Gittinger <cg@exept.de> parents: 8105 diff changeset	13
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	14	Object subclass:#CharacterEncoder
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	15	instanceVariableNames:''
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	16	classVariableNames:'EncoderClassesByName EncodersByName CachedEncoders LastEncoder
8122 29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	17	AccessLock NullEncoderInstance Jis7KanjiEscapeSequence
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	18	Jis7RomanEscapeSequence JisISO2022EscapeSequence
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	19	Jis7KanjiOldEscapeSequence'
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	20	poolDictionaries:''
8114 05274a80fcc4 separated implementation into dynamically (lazy) loaded classes Claus Gittinger <cg@exept.de> parents: 8105 diff changeset	21	category:'Collections-Text-Encodings'
7969 1c252e9cf79c * empty log message * Claus Gittinger <cg@exept.de> parents: 7967 diff changeset	22	!
1c252e9cf79c * empty log message * Claus Gittinger <cg@exept.de> parents: 7967 diff changeset	23
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	24	CharacterEncoder subclass:#CompoundEncoder
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	25	instanceVariableNames:'decoder encoder'
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	26	classVariableNames:''
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	27	poolDictionaries:''
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	28	privateIn:CharacterEncoder
0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	29	!
0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	30
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	31	CharacterEncoder subclass:#DefaultEncoder
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	32	instanceVariableNames:''
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	33	classVariableNames:''
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	34	poolDictionaries:''
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	35	privateIn:CharacterEncoder
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	36	!
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	37
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	38	CharacterEncoder subclass:#InverseEncoder
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	39	instanceVariableNames:'decoder'
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	40	classVariableNames:''
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	41	poolDictionaries:''
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	42	privateIn:CharacterEncoder
0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	43	!
0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	44
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	45	CharacterEncoder subclass:#NullEncoder
7893 80df105ac17c checkin from browser Claus Gittinger <cg@exept.de> parents: 7892 diff changeset	46	instanceVariableNames:''
80df105ac17c checkin from browser Claus Gittinger <cg@exept.de> parents: 7892 diff changeset	47	classVariableNames:''
80df105ac17c checkin from browser Claus Gittinger <cg@exept.de> parents: 7892 diff changeset	48	poolDictionaries:''
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	49	privateIn:CharacterEncoder
0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	50	!
0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	51
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	52	CharacterEncoder subclass:#OtherEncoding
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	53	instanceVariableNames:''
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	54	classVariableNames:''
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	55	poolDictionaries:''
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	56	privateIn:CharacterEncoder
0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	57	!
0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	58
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	59	CharacterEncoder subclass:#TwoStepEncoder
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	60	instanceVariableNames:'encoder1 encoder2'
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	61	classVariableNames:''
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	62	poolDictionaries:''
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	63	privateIn:CharacterEncoder
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	64	!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	65
7893 80df105ac17c checkin from browser Claus Gittinger <cg@exept.de> parents: 7892 diff changeset	66	!CharacterEncoder class methodsFor:'documentation'!
80df105ac17c checkin from browser Claus Gittinger <cg@exept.de> parents: 7892 diff changeset	67
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	68	copyright
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	69	"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	70	COPYRIGHT (c) 2004 by eXept Software AG
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	71	All Rights Reserved
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	72
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	73	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	74	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	75	inclusion of the above copyright notice. This software may not
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	76	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	77	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	78	hereby transferred.
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	79	"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	80	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	81
7893 80df105ac17c checkin from browser Claus Gittinger <cg@exept.de> parents: 7892 diff changeset	82	documentation
80df105ac17c checkin from browser Claus Gittinger <cg@exept.de> parents: 7892 diff changeset	83	"
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	84	unfinished code - please read howToAddMoreCoders.
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	85
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	86	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	87	http://std.dkuug.dk/i18n/charmaps
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	88	or:
8226 81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	89	http://www.unicode.org/Public/MAPPINGS
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	90
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	91	No Warranty.
8226 81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	92
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	93	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	94
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	95	ISO 8859-1: Latin 1 - Western European Languages.
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	96	ISO 8859-2: Latin 2 - Eastern European Languages.
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	97	ISO 8859-3: Latin 3 - Afrikaans, Catalan, Dutch, English, Esperanto, German,
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	98	Italian, Maltese, Spanish and Turkish.
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	99	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	100	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	101	ISO 8859-6: Latin/Arabic - Arabic.
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	102	ISO 8859-7: Latin/Greek - Greek.
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	103	ISO 8859-8: Latin/Hebrew - Hebrew.
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	104	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	105	Norwegian, Portuguese, Spanish, Swedish and Turkish.
81d95cffe5be * empty log message * Claus Gittinger <cg@exept.de> parents: 8214 diff changeset	106	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	107	Sami (Lappish), Latvian, Lithuanian, Norwegian, Faroese and Swedish.
8810 8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	108	[author:]
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	109	Claus Gittinger
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	110	"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	111	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	112
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	113	examples
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	114	"
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	115	[exBegin]
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	116	\|s1 s2\|
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	117
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	118	s1 := 'hello'.
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	119	s2 := CharacterEncoder encodeString:s1 from:#'iso8859-1' into:#'unicode'.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	120	s2
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	121	[exEnd]
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	122
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	123	[exBegin]
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	124	\|s1 s2\|
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	125
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	126	s1 := 'hello'.
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	127	s2 := CharacterEncoder encodeString:s1 from:#'iso8859-1' into:#'iso8859-7'.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	128	s2
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	129	[exEnd]
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	130	"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	131	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	132
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	133	howToAddMoreCoders
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	134	"
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	135	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	136	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	137
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	138	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	139	as found on the unicode consortium host
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	140	(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	141
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	142	or from the i18n character maps:
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	143	(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	144
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	145	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	146	perform the following steps:
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	147	- create a private subclass of CharacterEncoder named (for example) CP267.
8114 05274a80fcc4 separated implementation into dynamically (lazy) loaded classes Claus Gittinger <cg@exept.de> parents: 8105 diff changeset	148
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	149	- create a public subclass of CharacterEncoderImplementations::CharacterEncoderImplementation named (for example) CharacterEncoderImplementations::CP267.
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	150
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	151	- define the mappingURL1_relativeName (if the table is found on 'www.unicode.org')
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	152	or the mappingURL2_relativeName (if it is found on 'std.dkuug.dk') method, which
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	153	should return the name of the tables file, relative to the top directory there
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	154	(which is '.../Public/MAPPINGS' on www.unicode.org and '.../i18n/charmaops' on 'std.dkuug.dk'.
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	155
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	156	In this example, the table from 'std.dkuug.dk' is used, and named 'EBCDIC-CP-FI' there.
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	157
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	158	- generate code by evaluating:
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	159	CharacterEncoder::CP267 generateCode
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	160
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	161	Thats all !!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	162
7909 a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	163
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	164	The existing code was generated by:
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	165
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	166	CharacterEncoder::SingleByteEncoder subclassesDo:[:cls \| Transcript showCR:cls name. cls flushCode; generateCode ]
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	167	CharacterEncoder::SingleByteEncoder subclassesDo:[:cls \| cls allSubclassesDo:[:sub \| Transcript showCR:sub name. sub flushCode; generateSubclassCode]]
7909 a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	168
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	169	or individually:
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	170	CharacterEncoder::ASCII flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	171	CharacterEncoder::ISO8859_1 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	172	CharacterEncoder::ISO8859_2 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	173	CharacterEncoder::ISO8859_3 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	174	CharacterEncoder::ISO8859_4 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	175	CharacterEncoder::ISO8859_5 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	176	CharacterEncoder::ISO8859_6 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	177	CharacterEncoder::ISO8859_7 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	178	CharacterEncoder::ISO8859_8 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	179	CharacterEncoder::ISO8859_9 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	180	CharacterEncoder::ISO8859_10 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	181	CharacterEncoder::ISO8859_11 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	182	CharacterEncoder::ISO8859_13 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	183	CharacterEncoder::ISO8859_14 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	184	CharacterEncoder::ISO8859_15 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	185	CharacterEncoder::ISO8859_16 flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	186	CharacterEncoder::KOI8_R flushCode; generateCode.
28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	187	CharacterEncoder::GSM0338 flushCode; generateCode.
7909 a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	188
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	189	CharacterEncoder::KOI8_U flushCode; generateSubclassCode.
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	190
9143 28eeea2f0112 comments Claus Gittinger <cg@exept.de> parents: 9064 diff changeset	191	CharacterEncoder::JIS0208 flushCode; generateCode.
13072 e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	192
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	193	Please check if your encoder tables are complete; for example, with:
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	194	0 to:255 do:[:ebc \|
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	195	\|asc ebc2\|
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	196
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	197	asc := CharacterEncoderImplementations::EBCDIC new decode:ebc.
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	198	asc notNil ifTrue:[
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	199	ebc2 := CharacterEncoderImplementations::EBCDIC new encode:asc.
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	200	self assert:(ebc2 = ebc)
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	201	].
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	202	].
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	203
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	204	0 to:255 do:[:asc \|
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	205	\|ebc asc2\|
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	206
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	207	ebc := CharacterEncoderImplementations::EBCDIC new encode:asc.
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	208	ebc notNil ifTrue:[
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	209	asc2 := CharacterEncoderImplementations::EBCDIC new decode:ebc.
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	210	self assert:(asc2 = asc)
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	211	].
e189e07c16aa changed: #howToAddMoreCoders Claus Gittinger <cg@exept.de> parents: 13063 diff changeset	212	].
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	213	"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	214	! !
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	215
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	216	!CharacterEncoder class methodsFor:'instance creation'!
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	217
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	218	encoderFor:encodingNameSymbol
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	219	"given the name of an encoding, return an encoder-instance which can map these from/into unicode."
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	220
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	221	^ self
8156 bd5169c15b31 * empty log message * ca parents: 8155 diff changeset	222	encoderFor:encodingNameSymbol
bd5169c15b31 * empty log message * ca parents: 8155 diff changeset	223	ifAbsent:[
bd5169c15b31 * empty log message * ca parents: 8155 diff changeset	224	"/ proceed to ignore this error in the future.
8352 20d2476f538e add nullEncoder BEFORE raising an error Claus Gittinger <cg@exept.de> parents: 8262 diff changeset	225
20d2476f538e add nullEncoder BEFORE raising an error Claus Gittinger <cg@exept.de> parents: 8262 diff changeset	226	(EncodersByName at:#unicode) at:encodingNameSymbol put:NullEncoderInstance.
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	227	(EncoderClassesByName at:#unicode) at:encodingNameSymbol put:NullEncoder.
8352 20d2476f538e add nullEncoder BEFORE raising an error Claus Gittinger <cg@exept.de> parents: 8262 diff changeset	228
8388 b5cf7abdfe64 no encoder: send a message to stdError instead of entering Claus Gittinger <cg@exept.de> parents: 8352 diff changeset	229	"/ self error:'no encoder for ' , encodingNameSymbol mayProceed:true.
13325 5dba5cb58029 changed: #encoderFor: Claus Gittinger <cg@exept.de> parents: 13072 diff changeset	230	('CharacterEncoder [warning]: no encoder for ' , encodingNameSymbol) infoPrintCR.
8388 b5cf7abdfe64 no encoder: send a message to stdError instead of entering Claus Gittinger <cg@exept.de> parents: 8352 diff changeset	231
8156 bd5169c15b31 * empty log message * ca parents: 8155 diff changeset	232	NullEncoderInstance
bd5169c15b31 * empty log message * ca parents: 8155 diff changeset	233	]
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	234
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	235	"
8388 b5cf7abdfe64 no encoder: send a message to stdError instead of entering Claus Gittinger <cg@exept.de> parents: 8352 diff changeset	236	CharacterEncoder encoderFor:#'blabla2'
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	237	CharacterEncoder encoderFor:#'latin1'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	238	self encoderFor:#'arabic'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	239	self encoderFor:#'ms-arabic'
8814 501f04d1f533 * empty log message * Claus Gittinger <cg@exept.de> parents: 8810 diff changeset	240	self encoderFor:#'cp1250'
501f04d1f533 * empty log message * Claus Gittinger <cg@exept.de> parents: 8810 diff changeset	241	self encoderFor:#'cp1251'
501f04d1f533 * empty log message * Claus Gittinger <cg@exept.de> parents: 8810 diff changeset	242	self encoderFor:#'cp1252'
501f04d1f533 * empty log message * Claus Gittinger <cg@exept.de> parents: 8810 diff changeset	243	self encoderFor:#'cp1253'
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	244	self encoderFor:#'iso8859-5'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	245	self encoderFor:#'koi8-r'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	246	self encoderFor:#'koi8-u'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	247	self encoderFor:#'jis0208'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	248	self encoderFor:#'jis7'
8087 0a2ee76bcf55 last version before separating into extra classes Claus Gittinger <cg@exept.de> parents: 8062 diff changeset	249	self encoderFor:#'utf8'
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	250	(self encoderFor:#'utf16le') encodeString:'hello'
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	251	(self encoderFor:#'utf16le') encode:5
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	252	(self encoderFor:#'utf16be') encodeString:'hello'
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	253	(self encoderFor:#'utf16be') encode:5
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	254	(self encoderFor:#'utf32le') encodeString:'hello'
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	255	(self encoderFor:#'utf32be') encodeString:'hello'
10111 7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	256	self encoderFor:#'sgml'
7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	257	self encoderFor:#'java'
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	258	"
10111 7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	259
13325 5dba5cb58029 changed: #encoderFor: Claus Gittinger <cg@exept.de> parents: 13072 diff changeset	260	"Modified: / 01-04-2011 / 14:27:22 / cg"
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	261	!
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	262
8168 8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	263	encoderFor:encodingNameSymbolArg ifAbsent:exceptionValue
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	264	"given the name of an encoding, return an encoder-instance which can map these from/into unicode."
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	265
8168 8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	266	\|encodingNameSymbol enc clsName cls lcName name unicodeEncoders unicodeEncoderClasses\|
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	267
8168 8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	268	encodingNameSymbol := encodingNameSymbolArg.
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	269	encodingNameSymbol isNil ifTrue:[ ^ NullEncoderInstance].
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	270
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	271	encodingNameSymbol == #'iso10646-1' ifTrue:[ encodingNameSymbol := #unicode].
8168 8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	272
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	273	lcName := encodingNameSymbol asLowercase.
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	274	name := lcName asSymbolIfInterned.
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	275	name isNil ifTrue:[name := lcName].
8052 4ca96b117b21 checkin from browser Claus Gittinger <cg@exept.de> parents: 8048 diff changeset	276
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	277	name includesMatchCharacters ifTrue:[
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	278	AccessLock critical:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	279	unicodeEncoders := EncodersByName at:#unicode ifAbsent:nil.
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	280	].
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	281	unicodeEncoders notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	282	unicodeEncoders keysAndValuesDo:[:eachEncodingAlias :eachEncoderInstance \|
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	283	(name matches:eachEncodingAlias) ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	284	^ eachEncoderInstance.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	285	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	286	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	287	].
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	288
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	289	AccessLock critical:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	290	unicodeEncoderClasses := EncoderClassesByName at:#unicode.
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	291	].
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	292	unicodeEncoderClasses notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	293	unicodeEncoderClasses keysAndValuesDo:[:eachEncodingAlias :eachEncoderClassOrName \|
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	294	(name matches:eachEncodingAlias) ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	295	eachEncoderClassOrName isBehavior ifTrue:[
8194 7027457dbe4f * empty log message * ca parents: 8190 diff changeset	296	cls := eachEncoderClassOrName
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	297	] ifFalse:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	298	cls := CharacterEncoderImplementations at:eachEncoderClassOrName.
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	299	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	300	cls notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	301	^ cls new.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	302	]
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	303	].
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	^ exceptionValue value
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	307	].
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	308
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	309	AccessLock critical:[
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	310	unicodeEncoders := EncodersByName at:#unicode ifAbsent:nil.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	311	unicodeEncoders isNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	312	EncodersByName at:#unicode put:(unicodeEncoders := Dictionary new).
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	313	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	314	enc := unicodeEncoders at:name ifAbsent:nil.
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	315	].
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	316	enc isNil ifTrue:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	317	AccessLock critical:[
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	318	unicodeEncoderClasses := EncoderClassesByName at:#unicode ifAbsent:nil.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	319	unicodeEncoderClasses isNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	320	EncoderClassesByName at:#unicode put:(unicodeEncoderClasses := Dictionary new).
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	321	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	322	clsName := unicodeEncoderClasses at:name ifAbsent:nil.
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	323	].
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	324	clsName notNil ifTrue:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	325	clsName isBehavior ifTrue:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	326	cls := clsName
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	327	] ifFalse:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	328	cls := CharacterEncoderImplementations at:clsName.
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	329	].
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	330	cls notNil ifTrue:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	331	enc := cls new.
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	332	AccessLock critical:[
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	333	unicodeEncoders at:name put:enc.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	334	]
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	335	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	336	].
7973 6dea491d56f7 * empty log message * Claus Gittinger <cg@exept.de> parents: 7972 diff changeset	337	].
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	338
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	339	enc notNil ifTrue:[
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	340	^ enc
7973 6dea491d56f7 * empty log message * Claus Gittinger <cg@exept.de> parents: 7972 diff changeset	341	].
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	342
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	343	"/ no direct encoder from unicode->name
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	344	"/ 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	345	AccessLock critical:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	346	unicodeEncoderClasses := EncoderClassesByName at:#unicode ifAbsent:nil.
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	347	].
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	348	unicodeEncoderClasses keysAndValuesDo:[:eachEncodingAlias :eachEncoderClass \|
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	349	\|dict2 enc1 enc2\|
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	350
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	351	AccessLock critical:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	352	dict2 := EncoderClassesByName at:eachEncodingAlias ifAbsent:nil.
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	353	].
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	354	dict2 notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	355	clsName := dict2 at:name ifAbsent:nil.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	356	clsName notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	357	clsName isBehavior ifTrue:[
8194 7027457dbe4f * empty log message * ca parents: 8190 diff changeset	358	cls := clsName
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	359	] ifFalse:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	360	cls := CharacterEncoderImplementations at:clsName.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	361	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	362	cls notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	363	enc2 := cls new.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	364	enc1 := self encoderFor:eachEncodingAlias.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	365	(enc1 notNil and:[enc2 notNil]) ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	366	enc := TwoStepEncoder new encoder1:enc1 encoder2:enc2.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	367	AccessLock critical:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	368	unicodeEncoders at:name put:enc.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	369	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	370	^ enc.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	371	]
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	372	]
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	373	]
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	374	].
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	375	].
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	376
8194 7027457dbe4f * empty log message * ca parents: 8190 diff changeset	377	EncoderClassesByName keysAndValuesDo:[:encoding1 :dict1 \|
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	378	dict1 keysAndValuesDo:[:encoding2 :clsName1\|
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	379	\|clsName2 cls1 cls2 dict2 enc1 enc2\|
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	380
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	381	encoding2 = encodingNameSymbol ifTrue:[
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	382	AccessLock critical:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	383	dict2 := EncoderClassesByName at:#unicode.
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	384	].
8194 7027457dbe4f * empty log message * ca parents: 8190 diff changeset	385	clsName2 := dict2 at:encoding1 ifAbsent:nil.
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	386	clsName2 notNil ifTrue:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	387	clsName1 isBehavior ifTrue:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	388	cls1 := clsName1
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	389	] ifFalse:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	390	cls1 := CharacterEncoderImplementations at:clsName1.
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	391	].
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	392	clsName2 isBehavior ifTrue:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	393	cls2 := clsName2
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	394	] ifFalse:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	395	cls2 := CharacterEncoderImplementations at:clsName2.
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	396	].
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	397	(cls1 notNil and:[cls2 notNil]) ifTrue:[
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	398	enc := TwoStepEncoder new encoder1:enc1 encoder2:enc2.
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	399	^ enc.
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	400	].
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	401	]
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	402	]
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	403	]
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	404	].
7027457dbe4f * empty log message * ca parents: 8190 diff changeset	405
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	406	^ exceptionValue value
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	407
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	408	"
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	409	CharacterEncoder encoderFor:#'latin1'
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	410	self encoderFor:#'arabic'
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	411	self encoderFor:#'ms-arabic'
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	412	self encoderFor:#'iso8859-5'
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	413	self encoderFor:#'koi8-r'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	414	self encoderFor:#'koi8-u'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	415	self encoderFor:#'jis0208'
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	416	self encoderFor:#'jis7'
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	417	self encoderFor:#'unicode'
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	418	"
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	419	!
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	420
8210 cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	421	encoderForUTF8
8211 c4377c6c20e4 * empty log message * Claus Gittinger <cg@exept.de> parents: 8210 diff changeset	422	"return an encoder-instance which can map unicode into/from utf8"
c4377c6c20e4 * empty log message * Claus Gittinger <cg@exept.de> parents: 8210 diff changeset	423
8210 cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	424	^ self encoderFor:#utf8
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	425
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	426	"
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	427	CharacterEncoder encoderFor:#'latin1'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	428	self encoderFor:#'arabic'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	429	self encoderFor:#'ms-arabic'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	430	self encoderFor:#'iso8859-5'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	431	self encoderFor:#'koi8-r'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	432	self encoderFor:#'koi8-u'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	433	self encoderFor:#'jis0208'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	434	self encoderFor:#'jis7'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	435	self encoderFor:#'utf8'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	436	self encoderForUTF8'
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	437	"
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	438	!
cac1802b8603 * empty log message * Claus Gittinger <cg@exept.de> parents: 8194 diff changeset	439
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	440	encoderToEncodeFrom:oldEncodingArg into:newEncodingArg
8135 f22398526ae2 * empty log message * Claus Gittinger <cg@exept.de> parents: 8134 diff changeset	441	\|oldEncoding newEncoding encoders encoderClasses encoder decoder clsName cls\|
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	442
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	443	oldEncoding := oldEncodingArg ? #unicode.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	444	oldEncoding == #'iso10646-1' ifTrue:[ oldEncoding := #unicode].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	445	newEncoding := newEncodingArg ? #unicode.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	446	newEncoding == #'iso10646-1' ifTrue:[ newEncoding := #unicode].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	447
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	448	oldEncoding = newEncoding ifTrue:[^ NullEncoderInstance].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	449	(oldEncoding match:newEncoding) ifTrue:[^ NullEncoderInstance].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	450
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	451	(oldEncoding = #unicode) ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	452	"/ something -> unicode
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	453	^ self encoderFor:newEncoding.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	454	].
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	455
8261 af6485d43bd2 * empty log message * Claus Gittinger <cg@exept.de> parents: 8226 diff changeset	456	oldEncoding isSymbol ifFalse:[oldEncoding := oldEncoding asSymbol].
af6485d43bd2 * empty log message * Claus Gittinger <cg@exept.de> parents: 8226 diff changeset	457	newEncoding isSymbol ifFalse:[newEncoding := newEncoding asSymbol].
8120 bafc72f60618 * empty log message * Claus Gittinger <cg@exept.de> parents: 8119 diff changeset	458
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	459	AccessLock critical:[
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	460	encoders := EncodersByName at:oldEncoding ifAbsent:nil.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	461	encoders isNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	462	EncodersByName at:oldEncoding put:(encoders := Dictionary new).
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	463	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	464	encoder := encoders at:newEncodingArg ifAbsent:nil.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	465	encoder isNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	466	encoderClasses := EncoderClassesByName at:oldEncoding ifAbsent:nil.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	467	encoderClasses isNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	468	EncoderClassesByName at:oldEncoding put:(encoderClasses := Dictionary new).
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	469	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	470	clsName := encoderClasses at:newEncoding ifAbsent:nil.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	471	clsName notNil ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	472	clsName isBehavior ifTrue:[
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	473	cls := clsName
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	474	] ifFalse:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	475	cls := CharacterEncoderImplementations at:clsName.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	476	]
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	477	].
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	478	].
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	479	].
8262 550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	480	cls notNil ifTrue:[
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	481	encoder := cls new.
550c67712dfa do not autoload while in accesslock (deadlock) Claus Gittinger <cg@exept.de> parents: 8261 diff changeset	482	].
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	483
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	484	encoder isNil ifTrue:[
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	485	(newEncoding == #unicode) ifTrue:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	486	"/ something -> unicode
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	487	decoder := self encoderFor:oldEncoding.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	488	encoder := InverseEncoder new decoder:decoder.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	489	] ifFalse:[
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	490	"/ do it as: oldEncoding -> unicode -> newEncoding
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	491
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	492	"/ something -> unicode
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	493	decoder := self encoderFor:oldEncoding.
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	494
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	495	"/ unicode -> something
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	496	encoder := self encoderFor:newEncoding.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	497	encoder := CompoundEncoder new encoder:encoder decoder:decoder.
5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	498	].
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	499	].
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	500
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	501	AccessLock critical:[
8155 5c67868ddc38 * empty log message * ca parents: 8154 diff changeset	502	(EncodersByName at:oldEncoding) at:newEncoding put:encoder
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	503	].
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	504	^ encoder
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	505
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	506	" CharacterEncoder initialize
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	507	CharacterEncoder encoderToEncodeFrom:#'latin1' into:#'jis7'
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	508	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	509	CharacterEncoder encoderToEncodeFrom:#'ms-arabic' into:#'mac-arabic'
0a2ee76bcf55 last version before separating into extra classes Claus Gittinger <cg@exept.de> parents: 8062 diff changeset	510	CharacterEncoder encoderToEncodeFrom:#'iso8859-5' into:#'koi8-r'
0a2ee76bcf55 last version before separating into extra classes Claus Gittinger <cg@exept.de> parents: 8062 diff changeset	511	CharacterEncoder encoderToEncodeFrom:#'koi8-r' into:#'koi8-u'
7971 357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	512	"
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	513	! !
357e53496acc * empty log message * Claus Gittinger <cg@exept.de> parents: 7969 diff changeset	514
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	515	!CharacterEncoder class methodsFor:'Compatibility-ST80'!
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	516
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	517	encoderNamed: encoderName
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	518	"/ q & d hack
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	519
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	520	encoderName == #default ifTrue:[
11262 5de131eaba9e changed #classMenuCompareTwoRepositoryVersions Claus Gittinger <cg@exept.de> parents: 11228 diff changeset	521	^ DefaultEncoder new
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	522	].
11262 5de131eaba9e changed #classMenuCompareTwoRepositoryVersions Claus Gittinger <cg@exept.de> parents: 11228 diff changeset	523	self halt:'should not be reached'.
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	524	^ self new
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	525	!
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	platformName
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	528	^ OperatingSystem platformName
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	"Created: 20.6.1997 / 17:34:03 / cg"
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	531	"Modified: 20.6.1997 / 17:38:40 / cg"
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	532	! !
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	533
11316 0b2757774461 access method #nullEncoderInstance Stefan Vogel <sv@exept.de> parents: 11300 diff changeset	534	!CharacterEncoder class methodsFor:'accessing'!
0b2757774461 access method #nullEncoderInstance Stefan Vogel <sv@exept.de> parents: 11300 diff changeset	535
0b2757774461 access method #nullEncoderInstance Stefan Vogel <sv@exept.de> parents: 11300 diff changeset	536	nullEncoderInstance
0b2757774461 access method #nullEncoderInstance Stefan Vogel <sv@exept.de> parents: 11300 diff changeset	537	^ NullEncoderInstance
0b2757774461 access method #nullEncoderInstance Stefan Vogel <sv@exept.de> parents: 11300 diff changeset	538	! !
0b2757774461 access method #nullEncoderInstance Stefan Vogel <sv@exept.de> parents: 11300 diff changeset	539
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	540	!CharacterEncoder class methodsFor:'class initialization'!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	541
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	542	initialize
8154 87ec7c3be46a * empty log message * ca parents: 8153 diff changeset	543	\|ud\|
87ec7c3be46a * empty log message * ca parents: 8153 diff changeset	544
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	545	AccessLock := RecursionLock new.
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	546	NullEncoderInstance := NullEncoder new.
7973 6dea491d56f7 * empty log message * Claus Gittinger <cg@exept.de> parents: 7972 diff changeset	547
8126 33f9c4850e84 * empty log message * Claus Gittinger <cg@exept.de> parents: 8122 diff changeset	548	EncodersByName := Dictionary new.
33f9c4850e84 * empty log message * Claus Gittinger <cg@exept.de> parents: 8122 diff changeset	549	EncoderClassesByName := Dictionary new.
33f9c4850e84 * empty log message * Claus Gittinger <cg@exept.de> parents: 8122 diff changeset	550	CachedEncoders := Dictionary new.
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	551
8154 87ec7c3be46a * empty log message * ca parents: 8153 diff changeset	552	EncoderClassesByName at:#'unicode' put:(ud := Dictionary new).
87ec7c3be46a * empty log message * ca parents: 8153 diff changeset	553	ud at:#'fontspecific' put:NullEncoder.
87ec7c3be46a * empty log message * ca parents: 8153 diff changeset	554	ud at:#'adobe-fontspecific' put:NullEncoder.
8190 2c1bbf4a6a13 ms-oem untranslated ca parents: 8187 diff changeset	555	ud at:#'ms-oem' put:NullEncoder.
13326 41549853fc87 changed: #initialize Claus Gittinger <cg@exept.de> parents: 13325 diff changeset	556	ud at:#'ms-default' put:NullEncoder.
8152 e07693c46cf5 * empty log message * ca parents: 8151 diff changeset	557
8135 f22398526ae2 * empty log message * Claus Gittinger <cg@exept.de> parents: 8134 diff changeset	558	"/ className decoded-name array-of-encodingNames
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	559	#(
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	560	(ASCII unicode ( ascii 'us-ascii' 'iso-ir-6' 'ibm-367' 'ms-cp367' 'cp367' 'iso646-us' 'ibm-cp367' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	561
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	562	(BIG5 unicode ( big5 ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	563
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	564	(CNS11643 unicode ( 'cns11643' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	565
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	566	(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	567
13063 a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	568	(EBCDIC unicode ( 'ebcdic' ))
a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	569
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	570	(GB2313_1980 unicode ( 'gb2313' 'gb2313-1980' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	571
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	572	(HANGUL unicode ( 'hangul' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	573
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	574	(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	575
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	576	(ISO10646_to_UTF8 unicode ( utf8 'utf-8' ))
8904 d358f0a17f07 utf16 support Claus Gittinger <cg@exept.de> parents: 8856 diff changeset	577	(ISO10646_to_UTF16BE unicode ( utf16b utf16be 'utf-16b' 'utf-16be' ))
d358f0a17f07 utf16 support Claus Gittinger <cg@exept.de> parents: 8856 diff changeset	578	(ISO10646_to_UTF16LE unicode ( utf16l utf16le 'utf-16e' 'utf-16le' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	579
8855 289b5bda04bb guessEncoding - return the real encodings name Claus Gittinger <cg@exept.de> parents: 8814 diff changeset	580	(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	581
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	582	(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	583
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	584	(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	585
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	586	(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	587
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	588	(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	589
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	590	(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	591
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	592	(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	593
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	594	(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	595
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	596	(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	597
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	598	(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	599
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	600	(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	601
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	602	(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	603
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	604	(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	605
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	606	(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	607
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	608	(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	609
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	610	(JIS0201 unicode ( 'jis0201' #'jisx0201.1976-0'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	611
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	612	(JIS0208 unicode ( jis0208 'jisx0208' 'jisx0208.1983-0' 'jisx0208.1990-0'))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	613
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	614	(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	615
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	616	(JIS0208_to_EUC jis0208 ( euc #'x-euc-jp' ))
8122 29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	617
8176 66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	618	(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	619
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	620	(JIS0212 unicode ( 'jis0212' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	621
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	622	(JOHAB unicode ( 'johab' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	623
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	624	(KOI7 unicode ( 'koi7' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	625
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	626	(KOI8_R unicode ( #'koi8-r' 'cp878' ))
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	(KOI8_U unicode ( #'koi8-u' ))
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	(KSC5601 unicode ( #'ksc5601' ))
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	(MAC_Arabic unicode ( #'mac-arabic' 'macarabic' ))
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	(MAC_CentralEuropean unicode ( #'mac-centraleuropean' #'mac-centraleurope' 'maccentraleurope' 'maccentraleuropean' ))
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	(MAC_Croatian unicode ( #'mac-croatian' 'maccroatian'))
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	(MAC_Cyrillic unicode ( #'mac-cyrillic' 'maccyrillic' ))
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	(MAC_Dingbats unicode ( #'mac-dingbats' 'macdingbats' 'macdingbat'))
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	(MAC_Farsi unicode ( #'mac-farsi' 'macfarsi' ))
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	(MAC_Greek unicode ( #'mac-greek' #'macgreek' ))
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	(MAC_Hebrew unicode ( #'mac-hebrew' #'machebrew' ))
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	(MAC_Iceland unicode ( #'mac-iceland' #'maciceland' ))
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	(MAC_Japanese unicode ( #'mac-japanese' #'macjapanese' ))
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	(MAC_Korean unicode ( #'mac-korean' #'mackorean' ))
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	(MAC_Roman unicode ( #'mac-roman' #'macroman' ))
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	(MAC_Romanian unicode ( #'mac-romanian' #'macromanian' ))
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	(MAC_Symbol unicode ( #'mac-symbol' #'macsymbol' ))
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	(MAC_Thai unicode ( #'mac-thai' #'macthai' ))
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	(MAC_Turkish unicode ( #'mac-turkish' #'macturkish' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	663
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	664	(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	665
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	666	(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	667
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	668	(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	669
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	670	(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	671
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	672	(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	673
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	674	(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	675
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	676	(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	677
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	678	"/ (MS_Symbol unicode ( 'ms-symbol' 'microsoft-symbol' ))
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	(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	681
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	682	(NEXT unicode ( 'next' 'nextstep' ))
8186 ae97115c26f5 * empty log message * Claus Gittinger <cg@exept.de> parents: 8176 diff changeset	683
10111 7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	684	(ISO10646_to_SGML unicode ( 'sgml' ))
7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	685	(ISO10646_to_JavaText unicode ( 'java' 'javaText' ))
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	686	) triplesDo:[:className :decodesTo :encodesTo \|
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	687	\|dict\|
8134 0296806cb4bb * empty log message * Claus Gittinger <cg@exept.de> parents: 8132 diff changeset	688
8151 1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	689	"/ notice that the encoders are not yet installed as autoloaded.
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	690	"/ Therefore, we remember their names here.
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	691	dict := EncoderClassesByName at:decodesTo ifAbsent:nil.
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	692	dict isNil ifTrue:[
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	693	EncoderClassesByName at:decodesTo put:(dict := Dictionary new).
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	694	].
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	695	encodesTo do:[:eachEncodingAlias \|
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	696	(dict includesKey:eachEncodingAlias) ifTrue:[
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	697	self halt:'conflicting alias'
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	698	].
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	699	dict at:eachEncodingAlias put:className.
1f0fc1d4516b * empty log message * ca parents: 8150 diff changeset	700	].
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	701	].
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	702
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	703	"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	704	self initialize
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	705	"
10111 7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	706
13326 41549853fc87 changed: #initialize Claus Gittinger <cg@exept.de> parents: 13325 diff changeset	707	"Modified: / 01-04-2011 / 14:30:06 / cg"
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	708	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	709
8122 29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	710	!CharacterEncoder class methodsFor:'constants'!
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	711
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	712	jis7KanjiEscapeSequence
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	713	"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	714	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	715
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	716	Jis7KanjiEscapeSequence isNil ifTrue:[
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	717	Jis7KanjiEscapeSequence := Character esc asString , '$B'.
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	718	].
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	719	^ Jis7KanjiEscapeSequence.
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	720
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	721	"Created: 26.2.1996 / 17:38:08 / cg"
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	722	"Modified: 30.6.1997 / 16:03:16 / cg"
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	723	!
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	724
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	725	jis7KanjiOldEscapeSequence
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	726	"return the escape sequence used to switch to kanji in some old jis7 encoded strings."
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	727
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	728	Jis7KanjiOldEscapeSequence isNil ifTrue:[
8856 cb0a15744854 * empty log message * Claus Gittinger <cg@exept.de> parents: 8855 diff changeset	729	Jis7KanjiOldEscapeSequence := Character esc asString , '$@'.
8122 29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	730	].
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	731	^ Jis7KanjiOldEscapeSequence.
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	732	!
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	733
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	734	jis7RomanEscapeSequence
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	735	"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	736
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	737	Jis7RomanEscapeSequence isNil ifTrue:[
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	738	Jis7RomanEscapeSequence := Character esc asString , '(J'.
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	739	].
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	740	^ Jis7RomanEscapeSequence.
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	741
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	742	"Created: 26.2.1996 / 17:38:08 / cg"
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	743	"Modified: 30.6.1997 / 16:03:16 / cg"
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	744	!
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	745
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	746	jisISO2022EscapeSequence
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	747	"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	748
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	749	JisISO2022EscapeSequence isNil ifTrue:[
8136 30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	750	JisISO2022EscapeSequence := Character esc asString , '&@' , Character esc asString , '$B'.
8122 29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	751	].
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	752	^ JisISO2022EscapeSequence.
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	753	! !
29670db31014 * empty log message * Claus Gittinger <cg@exept.de> parents: 8120 diff changeset	754
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	755	!CharacterEncoder class methodsFor:'encoding & decoding'!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	756
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	757	decode:aCodePoint
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	758	^ self new decode:aCodePoint
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	759	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	760
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	761	decodeString:aString
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	762	^ self new decodeString:aString
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	763	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	764
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	765	decodeString:aString from:oldEncoding
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	766	^ self encodeString:aString from:oldEncoding into:#'unicode'
7967 f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	767	!
f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	768
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	769	encode:aCodePoint
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	770	^ self new encode:aCodePoint
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	771
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	772	"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	773	ISO8859_1 encode:16r00FF
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	774	ISO8859_1 decodeString:'hello'
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	775	ISO8859_1 encodeString:(ISO8859_1 decodeString:'hello')
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	776
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	777	ISO8859_5 decodeString:(String
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	778	with:(Character value:16rE4)
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	779	with:(Character value:16rE0))
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	780	"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	781	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	782
7994 42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	783	encode:codePoint from:oldEncodingArg into:newEncodingArg
8015 e85b0c11e871 caching encoders Claus Gittinger <cg@exept.de> parents: 7994 diff changeset	784	\|oldEncoding newEncoding encoder\|
7994 42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	785
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	786	oldEncoding := oldEncodingArg ? #'unicode'.
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	787	oldEncoding == #'iso10646-1' ifTrue:[ oldEncoding := #'unicode'].
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	788	newEncoding := newEncodingArg ? #'unicode'.
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	789	newEncoding == #'iso10646-1' ifTrue:[ newEncoding := #'unicode'].
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	790
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	791	oldEncoding == newEncoding ifTrue:[^ codePoint].
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	792
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	793	oldEncoding == #'unicode' ifTrue:[
8136 30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	794	newEncoding == #'iso8859-1' ifTrue:[
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	795	codePoint <= 16rFF ifTrue:[
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	796	^ codePoint
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	797	]
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	798	]
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	799	].
6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	800	newEncoding == #'unicode' ifTrue:[
8136 30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	801	oldEncoding == #'iso8859-1' ifTrue:[
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	802	codePoint <= 16rFF ifTrue:[
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	803	^ codePoint
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	804	]
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	805	]
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	806	].
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	807	encoder := self encoderToEncodeFrom:oldEncoding into:newEncoding.
8015 e85b0c11e871 caching encoders Claus Gittinger <cg@exept.de> parents: 7994 diff changeset	808	^ encoder encode:codePoint.
7994 42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	809	!
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	810
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	811	encodeString:aUnicodeString
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	812	"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	813
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	814	^ self new encodeString:aUnicodeString
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	815
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	816	"
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	817	ISO8859_1 decodeString:'hello'
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	818	"
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	819	!
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	820
7967 f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	821	encodeString:aString from:oldEncodingArg into:newEncodingArg
8015 e85b0c11e871 caching encoders Claus Gittinger <cg@exept.de> parents: 7994 diff changeset	822	\|oldEncoding newEncoding encoder\|
7967 f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	823
f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	824	oldEncoding := oldEncodingArg ? #'unicode'.
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	825	oldEncoding == #'iso10646-1' ifTrue:[ oldEncoding := #'unicode'].
7967 f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	826	newEncoding := newEncodingArg ? #'unicode'.
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	827	newEncoding == #'iso10646-1' ifTrue:[ newEncoding := #'unicode'].
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	828
7967 f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	829	oldEncoding == newEncoding ifTrue:[^ aString].
f9baf81d6991 * empty log message * Claus Gittinger <cg@exept.de> parents: 7964 diff changeset	830
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	831	oldEncoding == #'unicode' ifTrue:[
8136 30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	832	newEncoding == #'iso8859-1' ifTrue:[
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	833	aString bitsPerCharacter == 8 ifTrue:[
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	834	^ aString
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	835	]
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	836	]
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	837	].
6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	838	newEncoding == #'unicode' ifTrue:[
8136 30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	839	oldEncoding == #'iso8859-1' ifTrue:[
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	840	aString bitsPerCharacter == 8 ifTrue:[
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	841	^ aString
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	842	]
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	843	]
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	844	].
6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	845
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	846	encoder := self encoderToEncodeFrom:oldEncoding into:newEncoding.
8015 e85b0c11e871 caching encoders Claus Gittinger <cg@exept.de> parents: 7994 diff changeset	847	^ encoder encodeString:aString.
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	848	!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	849
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	850	encodeString:aString into:newEncoding
8016 6344e4e47261 characterEncoding stuff Claus Gittinger <cg@exept.de> parents: 8015 diff changeset	851	^ self encodeString:aString from:#'unicode' into:newEncoding
13063 a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	852
a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	853	"
a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	854	self encodeString:'hello' into:#ebcdic
a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	855
a17ba204b911 comment/format in: #encodeString:into: Claus Gittinger <cg@exept.de> parents: 12608 diff changeset	856	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	857	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	858	"
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	859	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	860
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	861	!CharacterEncoder class methodsFor:'private'!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	862
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	863	flushCode
8127 7531ed2cdf35 * empty log message * Claus Gittinger <cg@exept.de> parents: 8126 diff changeset	864	self initialize.
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	865
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	866	self isAbstract ifFalse:[
8136 30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	867	(self mapFileURL1_relativePathName notNil
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	868	or:[ self mapFileURL2_relativePathName notNil]) ifTrue:[
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	869	self class removeSelector:#mapping.
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	870	].
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	871	].
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	872
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	873	"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	874	self flushCode
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	875	"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	876	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	877
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	878	!CharacterEncoder class methodsFor:'private-mapping setup'!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	879
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	880	generateCode
7909 a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	881	(CharacterEncoderCodeGenerator new targetClass:self) generateCode.
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	882	!
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	883
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	884	generateSubclassCode
a045c719fca2 * empty log message * Claus Gittinger <cg@exept.de> parents: 7904 diff changeset	885	(CharacterEncoderCodeGenerator new targetClass:self) generateSubclassCode.
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	886	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	887
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	888	mapFileURL1_codeColumn
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	889	^ 1
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	890	!
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	891
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	892	mapFileURL1_relativePathName
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	893	"raise an error: must be redefined in concrete subclass(es)"
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	894
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	895	^ nil
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	896	!
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	897
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	898	mapFileURL2_relativePathName
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	899	"raise an error: must be redefined in concrete subclass(es)"
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	900
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	901	^ nil
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	902	!
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	903
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	904	mappingURL1
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	905	"raise an error: must be redefined in concrete subclass(es)"
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	906
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	907	\|rel\|
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	908
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	909	rel := self mapFileURL1_relativePathName.
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	910	rel isNil ifTrue:[
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	911	^ nil
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	912	].
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	913	^ 'http://www.unicode.org/Public/MAPPINGS/' , rel
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	914	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	915
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	916	mappingURL2
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	917	"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	918
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	919	\|rel\|
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	920
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	921	rel := self mapFileURL2_relativePathName.
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	922	rel isNil ifTrue:[
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	923	^ nil
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	924	].
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	925	^ 'http://std.dkuug.dk/i18n/charmaps/' , rel
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	926	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	927
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	928	!CharacterEncoder class methodsFor:'queries'!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	929
7938 a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	930	isEncoding:subSetEncodingArg subSetOf:superSetEncodingArg
7994 42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	931	"return true, if superSetEncoding encoding includes all characters of subSetEncoding.
42b5face56fb * empty log message * Claus Gittinger <cg@exept.de> parents: 7986 diff changeset	932	(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	933
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	934	\|subSetEncoding superSetEncoding\|
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	935
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	936	subSetEncodingArg = superSetEncodingArg ifTrue:[^ true].
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	937	subSetEncoding := subSetEncodingArg asLowercase.
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	938	superSetEncoding := superSetEncodingArg asLowercase.
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	939
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	940	(subSetEncoding match:superSetEncoding) ifTrue:[^ true].
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	941
8214 406c7fc10e12 assume ms-ansi is same as unicode Claus Gittinger <cg@exept.de> parents: 8211 diff changeset	942	(('iso10646*' match:superSetEncoding)
406c7fc10e12 assume ms-ansi is same as unicode Claus Gittinger <cg@exept.de> parents: 8211 diff changeset	943	or:[superSetEncoding = 'unicode'
406c7fc10e12 assume ms-ansi is same as unicode Claus Gittinger <cg@exept.de> parents: 8211 diff changeset	944	or:[superSetEncoding = 'ms-ansi']]) ifTrue:[
406c7fc10e12 assume ms-ansi is same as unicode Claus Gittinger <cg@exept.de> parents: 8211 diff changeset	945	"/ assume that any character is in unicode
406c7fc10e12 assume ms-ansi is same as unicode Claus Gittinger <cg@exept.de> parents: 8211 diff changeset	946	^ true.
7938 a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	947	].
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	948
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	949	"/ 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	950	((subSetEncoding = 'iso8859') or:[subSetEncoding = 'iso8859-']) ifTrue:[
8168 8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	951	('ascii*' match:superSetEncoding) ifTrue:[^ true].
8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	952	('ms-ansi*' match:superSetEncoding) ifTrue:[^ true].
7938 a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	953	].
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	954	(subSetEncoding = 'ascii') ifTrue:[
8168 8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	955	('iso8859*' match:superSetEncoding) ifTrue:[^ true].
8f8da8bb046d * empty log message * Claus Gittinger <cg@exept.de> parents: 8156 diff changeset	956	('ms-ansi*' match:superSetEncoding) ifTrue:[^ true].
7938 a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	957	].
a53aae4a05bb * empty log message * Claus Gittinger <cg@exept.de> parents: 7932 diff changeset	958
7923 e8286ccdf20c * empty log message * Claus Gittinger <cg@exept.de> parents: 7922 diff changeset	959	"/ TODO: check the charSets mappingTables...
e8286ccdf20c * empty log message * Claus Gittinger <cg@exept.de> parents: 7922 diff changeset	960	"/ self halt.
e8286ccdf20c * empty log message * Claus Gittinger <cg@exept.de> parents: 7922 diff changeset	961	^ false.
e8286ccdf20c * empty log message * Claus Gittinger <cg@exept.de> parents: 7922 diff changeset	962	!
e8286ccdf20c * empty log message * Claus Gittinger <cg@exept.de> parents: 7922 diff changeset	963
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	964	nameOfDecodedCode
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	965	"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	966	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	967
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	968	^ #'unicode'
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	969	!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	970
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	971	nameOfEncoding
7974 9905043988ee * empty log message * Claus Gittinger <cg@exept.de> parents: 7973 diff changeset	972	^ (self nameWithoutPrefix asLowercase copyReplaceAll:$_ with:$-) asSymbol
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	973	!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	974
7959 0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	975	supportedExternalEncodings
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	976	"return an array of arrays containing the names of supported
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	977	encodings which are supported for external resources (i.e. files).
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	978	The first element contains the internally used symbolic name,
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	979	the second contains a user-readable string (description).
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	980	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	981
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	982	^ #(
8176 66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	983	('utf8' 'Unicode as 8Bit characters' )
8904 d358f0a17f07 utf16 support Claus Gittinger <cg@exept.de> parents: 8856 diff changeset	984	('utf16BE' 'Unicode as 16Bit big-endian' )
d358f0a17f07 utf16 support Claus Gittinger <cg@exept.de> parents: 8856 diff changeset	985	('utf16LE' 'Unicode as 16Bit little-endian' )
8176 66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	986	"/ ('utf7' 'Unicode as 7Bit characters' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	987	"/ nil
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	988	('ascii' 'Common 7bit subset of iso8859' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	989	('iso8859-1' 'Latin1' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	990	('iso8859-2' 'Latin2' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	991	('iso8859-3' 'Latin3' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	992	('iso8859-4' 'Latin4' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	993	('iso8859-5' 'Cyrillic' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	994	('iso8859-6' 'Arabic' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	995	('iso8859-7' 'Greek' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	996	('iso8859-8' 'Hebrew' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	997	"/ nil
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	998	('koi7' 'Cyrillic (Old)' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	999	('koi8-r' 'Cyrillic' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1000	('koi8-u' 'Cyrillic (Ukraine)' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1001	"/ nil
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1002	('cp437' 'msdos US / codepage 437' )
8810 8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1003	('cp850' 'msdos Latin1 / codepage 850' )
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1004	('cp1250' 'msdos Latin2 / codepage 1250' )
14174 3a4f041c94a2 changed: #supportedExternalEncodings Michael Beyl <mb@exept.de> parents: 14169 diff changeset	1005	('cp1251' 'msdos Latin2 / codepage 1251' )
8176 66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1006	"/ ('mac' 'macintosh 8 bit' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1007	('next' 'NeXT 8 bit' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1008	"/ ('hp' 'hpux 8 bit' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1009	"/ nil
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1010	('euc' 'EUC - extended unix code (japanese)' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1011	('jis7' 'JIS7 - jis 7bit escape codes (japanese)' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1012	('iso-2022-jp' 'Same as jis 7bit' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1013	('sjis' 'SJIS - shift jis 8bit codes (japanese)' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1014	"/ nil
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1015	('gb' 'GB - mainland china' )
66d1004f1806 * empty log message * Claus Gittinger <cg@exept.de> parents: 8168 diff changeset	1016	('big5' 'BIG5 - taiwan' )
7959 0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1017	"/ ('ksc' 'korean' )
8186 ae97115c26f5 * empty log message * Claus Gittinger <cg@exept.de> parents: 8176 diff changeset	1018	('sgml' 'SGML (XML/HTML) character escapes' )
10111 7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	1019	('java' 'JavaText (\uXXXX) character escapes' )
7959 0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1020	)
10111 7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	1021
7485e9da838c +javaText encoder Claus Gittinger <cg@exept.de> parents: 9143 diff changeset	1022	"Modified: / 23-10-2006 / 13:27:48 / cg"
7959 0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1023	!
0276f0a46dd1 * empty log message * Claus Gittinger <cg@exept.de> parents: 7956 diff changeset	1024
7947 16b2306f9bc9 utf8 - full 30 bit range Claus Gittinger <cg@exept.de> parents: 7942 diff changeset	1025	userFriendlyNameOfEncoding
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1026	^ self nameOfEncoding asUppercaseFirst
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1027	! !
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1028
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	1029	!CharacterEncoder class methodsFor:'testing'!
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	1030
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	1031	isAbstract
11228 10b5c088d8f2 comment Claus Gittinger <cg@exept.de> parents: 10672 diff changeset	1032	"Return if this class is an abstract class.
10b5c088d8f2 comment Claus Gittinger <cg@exept.de> parents: 10672 diff changeset	1033	True is returned for CharacterEncoder here; false for subclasses.
10b5c088d8f2 comment Claus Gittinger <cg@exept.de> parents: 10672 diff changeset	1034	Abstract subclasses must redefine again."
10b5c088d8f2 comment Claus Gittinger <cg@exept.de> parents: 10672 diff changeset	1035
7912 fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	1036	^ self == CharacterEncoder
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	1037	! !
fbbb59645576 * empty log message * Claus Gittinger <cg@exept.de> parents: 7909 diff changeset	1038
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1039	!CharacterEncoder class methodsFor:'utilities'!
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1040
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1041	guessEncodingOfBuffer:buffer
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1042	"look for a string of the form
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1043	encoding #name
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1044	or:
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1045	encoding: name
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1046	within the given buffer
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1047	(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	1048
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1049	\|lcBuffer quote peek\|
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1050
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1051	buffer size < 4 ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1052	"not enough bytes to determine the contents"
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1053	^ nil.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1054	].
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1055
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1056	"check the Byte Order Mark (BOM)"
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1057	peek := (buffer at:1) codePoint.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1058	peek < 16rFE ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1059	(peek = 16rEF
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1060	and:[(buffer at:2) codePoint = 16rBB
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1061	and:[(buffer at:3) codePoint = 16rBF]]) ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1062	^ #utf8
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1063	].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1064	(peek = 0
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1065	and:[(buffer at:2) codePoint = 0
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1066	and:[(buffer at:3) codePoint = 16rFE
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1067	and:[(buffer at:4) codePoint = 16rFF]]]) ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1068	^ #utf32be
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1069	].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1070	] ifFalse:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1071	peek = 16rFF ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1072	(buffer at:2) codePoint = 16rFE ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1073	"little endian"
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1074	((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	1075	^ #utf32le.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1076	].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1077	^ #utf16le
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1078	].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1079	] ifFalse:["peek = 16rFE"
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1080	(buffer at:2) codePoint = 16rFF ifTrue:[
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1081	"big endian"
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1082	^ #utf16be
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1083	].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1084	]
10672 b6230a13035b #guessEncodingOfBuffer - do NOT handle encoding=utf8 Stefan Vogel <sv@exept.de> parents: 10111 diff changeset	1085	].
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1086
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1087	lcBuffer := buffer asLowercase.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1088
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1089	"now look for an inline encoding markup"
10672 b6230a13035b #guessEncodingOfBuffer - do NOT handle encoding=utf8 Stefan Vogel <sv@exept.de> parents: 10111 diff changeset	1090	#(charset encoding) do:[:keyWord \|
8855 289b5bda04bb guessEncoding - return the real encodings name Claus Gittinger <cg@exept.de> parents: 8814 diff changeset	1091	\|encoderOrNil idx s w enc\|
289b5bda04bb guessEncoding - return the real encodings name Claus Gittinger <cg@exept.de> parents: 8814 diff changeset	1092
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1093	(idx := lcBuffer findString:keyWord) ~~ 0 ifTrue:[
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1094	s := ReadStream on:buffer.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1095	s position1Based:idx.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1096	s skip:keyWord size.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1097	s skipSeparators.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1098
10672 b6230a13035b #guessEncodingOfBuffer - do NOT handle encoding=utf8 Stefan Vogel <sv@exept.de> parents: 10111 diff changeset	1099	"do not include '=' here, otherwise
b6230a13035b #guessEncodingOfBuffer - do NOT handle encoding=utf8 Stefan Vogel <sv@exept.de> parents: 10111 diff changeset	1100	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	1101
11300 2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1102	[':#=' includes:s peek] whileTrue:[
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1103	s next.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1104	s skipSeparators.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1105	].
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1106	s skipSeparators.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1107	('"''' includes:s peek) ifTrue:[
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1108	quote := s next.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1109	w := s upTo:quote.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1110	] ifFalse:[
11300 2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1111	w := s upToMatching:[: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	1112	].
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1113	w notNil ifTrue:[
11300 2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1114	enc := w withoutQuotes.
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1115	(enc startsWith:'x-') ifTrue:[
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1116	enc := enc copyFrom:3.
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1117	].
10672 b6230a13035b #guessEncodingOfBuffer - do NOT handle encoding=utf8 Stefan Vogel <sv@exept.de> parents: 10111 diff changeset	1118	encoderOrNil := self encoderFor:enc ifAbsent:nil.
8855 289b5bda04bb guessEncoding - return the real encodings name Claus Gittinger <cg@exept.de> parents: 8814 diff changeset	1119	encoderOrNil notNil ifTrue:[
289b5bda04bb guessEncoding - return the real encodings name Claus Gittinger <cg@exept.de> parents: 8814 diff changeset	1120	^ encoderOrNil nameOfEncoding
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1121	].
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1122	"/ enc size >=3 ifTrue:[
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1123	"/ Transcript showCR:'Unknown encoding: ' , (withoutQuotes value:w).
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1124	"/ ]
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1125	].
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1126	].
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1127	].
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1128
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1129	"/ look for JIS7 / EUC encoding
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1130	(buffer findString:self jisISO2022EscapeSequence) ~~ 0 ifTrue:[
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1131	^ #'iso2020-jp'
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1132	].
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1133	(buffer findString:self jis7KanjiEscapeSequence) ~~ 0 ifTrue:[
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1134	^ #jis7
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1135	].
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1136	(buffer findString:self jis7KanjiOldEscapeSequence) ~~ 0 ifTrue:[
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1137	^ #jis7
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1138	].
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1139
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1140	"/ TODO:
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1141
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1142	"/ "/ look for EUC
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1143	"/ idx := aString findFirst:[:char \| \|ascii\|
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1144	"/ ((ascii := char asciiValue) >= 16rA1)
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1145	"/ and:[ascii <= 16rFE]].
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1146	"/ idx ~~ 0 ifTrue:[
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1147	"/ ascii := (aString at:(idx + 1)) asciiValue.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1148	"/ (ascii >= 16rA1 and:[ascii <= 16rFE]) ifTrue:[
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1149	"/ ^ #euc
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1150	"/ ]
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1151	"/ ].
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1152	"/ look for SJIS ...
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1153
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1154	^ nil
14169 eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1155	!
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1156
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1157	guessEncodingOfFile:aFilename
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1158	"look for a string
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1159	encoding #name
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1160	or:
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1161	encoding: name
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1162	within the given buffer
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1163	(which is usually the first few bytes of a textFile).
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1164	If thats not found, use heuristics (in CharacterArray) to guess."
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1165
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1166	\|s buffer n "{Class: SmallInteger }"\|
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1167
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1168	s := aFilename asFilename readStreamOrNil.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1169	s isNil ifTrue:[^ nil].
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1170
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1171	buffer := String new:64.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1172	n := s nextBytes:buffer size into:buffer.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1173	s close.
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1174
eab487f07a2b comment/format in: #encoderFor: Stefan Vogel <sv@exept.de> parents: 14094 diff changeset	1175	^ self guessEncodingOfBuffer:buffer.
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1176
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1177	"
14094 b4db3e0f0102 changed: Stefan Vogel <sv@exept.de> parents: 13382 diff changeset	1178	self guessEncodingOfFile:'../../libview/resources/de.rs' asFilename
b4db3e0f0102 changed: Stefan Vogel <sv@exept.de> parents: 13382 diff changeset	1179	self guessEncodingOfFile:'../../libview/resources/ru.rs' asFilename
b4db3e0f0102 changed: Stefan Vogel <sv@exept.de> parents: 13382 diff changeset	1180	self guessEncodingOfFile:'../../libview/resources/th.rs' asFilename
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1181	"
13382 8e998649b3ac changed: Claus Gittinger <cg@exept.de> parents: 13326 diff changeset	1182
8e998649b3ac changed: Claus Gittinger <cg@exept.de> parents: 13326 diff changeset	1183	"Modified: / 31-05-2011 / 15:45:19 / cg"
8711 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
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1186	guessEncodingOfStream:aStream
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1187	"look for a string of the form
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1188	encoding #name
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1189	or:
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1190	encoding: name
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1191	in the first few bytes of aStream."
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1192
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1193	\|oldPosition buffer n\|
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1194
13382 8e998649b3ac changed: Claus Gittinger <cg@exept.de> parents: 13326 diff changeset	1195	buffer := String new:64.
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1196
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1197	oldPosition := aStream position.
14094 b4db3e0f0102 changed: Stefan Vogel <sv@exept.de> parents: 13382 diff changeset	1198	n := aStream nextBytes:buffer size into:buffer.
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1199	aStream position:oldPosition.
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1200
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1201	^ self guessEncodingOfBuffer:buffer
13382 8e998649b3ac changed: Claus Gittinger <cg@exept.de> parents: 13326 diff changeset	1202
8e998649b3ac changed: Claus Gittinger <cg@exept.de> parents: 13326 diff changeset	1203	"Modified: / 31-05-2011 / 15:45:23 / cg"
8810 8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1204	!
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1205
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1206	showCharacterSet
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1207	\|font\|
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1208
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1209	"/ font := (Font family:'courier' face:'medium' style:'roman' size:12 encoding:'iso10646-1').
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1210	font := View defaultFont.
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1211
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1212	CharacterSetView
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1213	openOn:font
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1214	label:'Characters of ',self nameWithoutPrefix
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1215	clickLabel:nil
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1216	asInputFor:nil
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1217	encoder:self
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1218
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1219	"
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1220	CharacterEncoderImplementations::CP1250 showCharacterSet
8f509238ef9f +showCharacterSet Claus Gittinger <cg@exept.de> parents: 8722 diff changeset	1221	"
8711 c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1222	! !
c5f28b4c719d guessEncoding now implemented in CharacterEncoder Claus Gittinger <cg@exept.de> parents: 8388 diff changeset	1223
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1224	!CharacterEncoder methodsFor:'encoding & decoding'!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1225
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1226	decode:anEncoding
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1227	"given an integer in my encoding, return a unicode codePoint for it"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1228
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1229	self subclassResponsibility
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1230	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1231
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1232	decodeString:anEncodedString
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1233	"given a string in my encoding, return a unicode-string for it"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1234
8150 ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1235	\|newString myCode uniCodePoint bits\|
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1236
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1237	newString := String new:(anEncodedString size).
8150 ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1238	bits := newString bitsPerCharacter.
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1239
8150 ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1240	1 to:anEncodedString size do:[:idx \|
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1241	uniCodePoint := (anEncodedString at:idx) codePoint.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1242	myCode := self decode:uniCodePoint.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1243	myCode > 16rFF ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1244	myCode > 16rFFFF ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1245	bits < 32 ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1246	newString := Unicode32String fromString:newString.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1247	bits := 32.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1248	]
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1249	] ifFalse:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1250	bits < 16 ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1251	newString := Unicode16String fromString:newString.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1252	bits := 16.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1253	]
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1254	]
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1255	].
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1256	newString at:idx put:(Character value:myCode).
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1257	].
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1258	^ newString
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1259
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1260	"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1261	ISO8859_1 decodeString:'hello'
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1262	"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1263	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1264
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1265	encode:aCodePoint
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1266	"given a codePoint in unicode, return a byte in my encoding for it"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1267
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1268	self subclassResponsibility
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1269	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1270
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1271	encodeString:aUnicodeString
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1272	"given a string in unicode, return a string in my encoding for it"
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1273
8150 ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1274	\|newString myCode uniCodePoint bits\|
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1275
8150 ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1276	newString := String new:(aUnicodeString size).
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1277	bits := newString bitsPerCharacter.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1278
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1279	1 to:aUnicodeString size do:[:idx \|
8150 ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1280	uniCodePoint := (aUnicodeString at:idx) codePoint.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1281	myCode := self encode:uniCodePoint.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1282	myCode > 16rFF ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1283	myCode > 16rFFFF ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1284	bits < 32 ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1285	newString := Unicode32String fromString:newString.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1286	bits := 32.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1287	]
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1288	] ifFalse:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1289	bits < 16 ifTrue:[
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1290	newString := Unicode16String fromString:newString.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1291	bits := 16.
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1292	]
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1293	]
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1294	].
ba9c6e587973 care for bitsPerCharacter change during encodeString/decodeString. ca parents: 8136 diff changeset	1295	newString at:idx put:(Character value:myCode).
8118 efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1296	].
efc99c0f68bc * empty log message * Claus Gittinger <cg@exept.de> parents: 8114 diff changeset	1297	^ newString
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1298	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1299
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1300	!CharacterEncoder methodsFor:'error handling'!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1301
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1302	decodingError
7904 e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1303	"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	1304	(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	1305	(for example, holes in the ISO8859-3 encoding)"
e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1306
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1307	\|badCodePoint sender\|
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1308
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1309	sender := thisContext sender.
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1310	((sender selector == #encode:) or:[sender selector == #decode:]) ifFalse:[
11295 94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1311	badCodePoint := sender methodHome argAt:1
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1312	].
11295 94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1313	^ (DecodingError new)
94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1314	defaultValue:(self defaultDecoderValue);
94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1315	parameter:badCodePoint;
94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1316	messageText:'invalid code';
94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1317	suspendedContext:sender;
94171df45ac5 encoding error handling Claus Gittinger <cg@exept.de> parents: 11262 diff changeset	1318	raiseRequest.
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1319	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1320
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1321	defaultDecoderValue
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1322	"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	1323	for a given encoded codePoint.
7904 e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1324	(typically 16rFFFF)."
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1325
7904 e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1326	^ 16rFFFF
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1327	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1328
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1329	defaultEncoderValue
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1330	"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	1331	for a given unicode codePoint.
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1332	(typically $?)."
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1333
8101 f7023a4735bf Use the ANSI-blessed #codePoint instead of deprecated #asciiValue Stefan Vogel <sv@exept.de> parents: 8087 diff changeset	1334	^ $? codePoint
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1335	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1336
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1337	encodingError
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1338	"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	1339
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1340	\|badCodePoint sender\|
7904 e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1341
e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1342	sender := thisContext sender.
e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1343	((sender selector == #encode:) or:[sender selector == #decode:]) ifFalse:[
8136 30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1344	badCodePoint := sender methodHome argAt:1
7904 e3940bba2746 * empty log message * Claus Gittinger <cg@exept.de> parents: 7903 diff changeset	1345	].
8048 293c8178c6eb utf8 errors Claus Gittinger <cg@exept.de> parents: 8033 diff changeset	1346	^ (EncodingError new)
8136 30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1347	defaultValue:(self defaultEncoderValue);
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1348	parameter:badCodePoint;
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1349	messageText:'unrepresentable unicode';
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1350	suspendedContext:sender;
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1351	raiseRequest
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1352	! !
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1353
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1354	!CharacterEncoder methodsFor:'printing'!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1355
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1356	printOn:aStream
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1357	aStream
8136 30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1358	nextPutAll:(self nameOfDecodedCode);
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1359	nextPutAll:'->';
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1360	nextPutAll:(self nameOfEncoding)
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1361	! !
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1362
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1363	!CharacterEncoder methodsFor:'private'!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1364
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1365	newString:size
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1366	self subclassResponsibility
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1367	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1368
7917 3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1369	!CharacterEncoder methodsFor:'queries'!
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1370
11975 7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1371	characterSize:codePoint
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1372	"return the number of bytes required to encode codePoint"
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1373
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1374	^ self subclassResponsibility
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1375
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1376	"Created: / 15-06-2005 / 15:11:04 / janfrog"
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1377	!
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1378
7917 3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1379	isNullEncoder
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1380	^ false
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1381	!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1382
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1383	nameOfDecodedCode
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1384	"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	1385	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	1386
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1387	^ self class nameOfDecodedCode
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1388	!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1389
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1390	nameOfEncoding
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1391	^ self class nameOfEncoding
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1392	!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1393
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1394	userFriendlyNameOfEncoding
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1395	^ self class userFriendlyNameOfEncoding
7917 3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1396	! !
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1397
11975 7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1398	!CharacterEncoder methodsFor:'stream support'!
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1399
12608 aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1400	readNext:charactersToRead charactersFrom:stream
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1401	^ self decodeString:(stream next:charactersToRead)
11975 7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1402	!
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1403
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1404	readNextCharacterFrom:aStream
12608 aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1405
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1406	\| c \|
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1407
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1408	c := aStream next.
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1409
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1410	^ c isNil
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1411	ifTrue: [nil]
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1412	ifFalse: [(self decode:c asInteger) asCharacter]
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1413
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1414	"Created: / 14-06-2005 / 17:03:21 / janfrog"
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1415	"Modified: / 15-06-2005 / 15:27:49 / janfrog"
aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1416	"Modified: / 20-06-2005 / 13:13:52 / masca"
12435 539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1417	!
11975 7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1418
12435 539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1419	readNextInputCharacterFrom:aStream
12608 aa9bcd341200 moved: Claus Gittinger <cg@exept.de> parents: 12435 diff changeset	1420	^ aStream next
11975 7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1421	! !
7b37b4dbd66f * empty log message * Claus Gittinger <cg@exept.de> parents: 11374 diff changeset	1422
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1423	!CharacterEncoder::CompoundEncoder class methodsFor:'documentation'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1424
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1425	documentation
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1426	"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1427	A compoundEncoder uses two real encoders;
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1428	to encode:
8136 30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1429	string -> decoder(encode) -> encoder -> result
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1430	to decode:
8136 30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1431	string -> encoder -> decoder -> result
7956 c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1432
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1433	\|e\|
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1434
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1435	e := CompoundEncoder new.
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1436	e encoder:ISO8859_5 decoder:KOI8_R.
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1437	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	1438	e encode:16rE1.
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1439	"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1440	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1441
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1442	!CharacterEncoder::CompoundEncoder methodsFor:'accessing'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1443
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1444	encoder:encoderArg decoder:decoderArg
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1445	"set instance variables (automatically generated)"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1446
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1447	decoder := decoderArg.
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1448	encoder := encoderArg.
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1449	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1450
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1451	!CharacterEncoder::CompoundEncoder methodsFor:'encoding & decoding'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1452
7956 c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1453	decode:aCode
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1454	^ decoder encode:(encoder decode:aCode)
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1455	!
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1456
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1457	decodeString:aString
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1458	^ decoder encodeString:(encoder decodeString:aString)
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1459	!
c43ee9e00bab * empty log message * Claus Gittinger <cg@exept.de> parents: 7948 diff changeset	1460
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1461	encode:aCode
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1462	^ encoder encode:(decoder decode:aCode)
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1463	!
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1464
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1465	encodeString:aString
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1466	^ encoder encodeString:(decoder decodeString:aString)
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1467	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1468
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1469	!CharacterEncoder::CompoundEncoder methodsFor:'printing'!
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	printOn:aStream
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1472	aStream
8136 30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1473	nextPutAll:(decoder nameOfEncoding);
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1474	nextPutAll:'->'.
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1475	"/ nextPutAll:(decoder nameOfDecodedCode);
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1476	"/ nextPutAll:'->';
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1477	"/ nextPutAll:(encoder nameOfEncoding)
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1478	encoder printOn:aStream
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1479	! !
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1480
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1481	!CharacterEncoder::DefaultEncoder class methodsFor:'documentation'!
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1482
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1483	documentation
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1484	"
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1485	That is only a dummy for ST80 compatibility
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1486	"
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1487	! !
ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1488
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1489	!CharacterEncoder::InverseEncoder class methodsFor:'documentation'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1490
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1491	documentation
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1492	"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1493	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	1494	and decode is really an encode.
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1495	"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1496	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1497
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1498	!CharacterEncoder::InverseEncoder methodsFor:'accessing'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1499
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1500	decoder:something
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1501	decoder := something.
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1502	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1503
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1504	!CharacterEncoder::InverseEncoder methodsFor:'encoding & decoding'!
7914 86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1505
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1506	decode:aCode
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1507	^ decoder encode:aCode
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1508	!
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1509
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1510	decodeString:aString
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1511	^ decoder encodeString:aString
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1512	!
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1513
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1514	encode:aCode
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1515	^ decoder decode:aCode
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	encodeString:aString
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1519	^ decoder decodeString:aString
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
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1522	!CharacterEncoder::InverseEncoder methodsFor:'printing'!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1523
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1524	printOn:aStream
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1525	aStream
8136 30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1526	nextPutAll:(decoder nameOfEncoding);
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1527	nextPutAll:'->';
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1528	nextPutAll:(decoder nameOfDecodedCode)
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1529	! !
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1530
12435 539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1531	!CharacterEncoder::InverseEncoder methodsFor:'queries'!
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1532
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1533	characterSize:charOrcodePoint
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1534	^ decoder characterSize:charOrcodePoint
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1535	! !
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1536
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1537	!CharacterEncoder::InverseEncoder methodsFor:'stream support'!
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1538
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1539	readNextInputCharacterFrom:aStream
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1540	^ decoder readNextInputCharacterFrom:aStream
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1541	! !
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1542
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1543	!CharacterEncoder::NullEncoder class methodsFor:'documentation'!
7914 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	documentation
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1546	"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1547	A NullEncoder does nothing.
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1548	"
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1549	! !
86a3784b40dd * empty log message * Claus Gittinger <cg@exept.de> parents: 7913 diff changeset	1550
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1551	!CharacterEncoder::NullEncoder methodsFor:'encoding & decoding'!
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1552
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1553	decode:aCode
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1554	^ aCode
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1555	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1556
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1557	decodeString:aString
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1558	^ aString
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1559	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1560
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1561	encode:aCode
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1562	^ aCode
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1563	!
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1564
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1565	encodeString:aString
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1566	^ aString
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1567	! !
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1568
7917 3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1569	!CharacterEncoder::NullEncoder methodsFor:'queries'!
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1570
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1571	isNullEncoder
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1572	^ true
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1573	! !
3649394bf5c0 checkin from browser Claus Gittinger <cg@exept.de> parents: 7915 diff changeset	1574
7915 0b92b16542f6 * empty log message * Claus Gittinger <cg@exept.de> parents: 7914 diff changeset	1575	!CharacterEncoder::OtherEncoding class methodsFor:'private'!
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1576
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1577	flushCode
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1578	!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1579
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1580	generateEncoderCode
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1581	! !
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1582
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1583	!CharacterEncoder::TwoStepEncoder class methodsFor:'documentation'!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1584
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1585	documentation
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1586	"
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1587	A twoStepEncoder uses two real encoders;
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1588	to encode:
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1589	string -> encoder1(encode) -> encoder2(encode) -> result
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1590	to decode:
7932 ee233bf44df5 * empty log message * Claus Gittinger <cg@exept.de> parents: 7924 diff changeset	1591	string -> encoder2(decode) -> encoder1(decode) -> result
7919 92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1592	"
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1593	! !
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1594
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1595	!CharacterEncoder::TwoStepEncoder methodsFor:'accessing'!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1596
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1597	encoder1:encoder1Arg encoder2:encoder2Arg
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1598	"set instance variables (automatically generated)"
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1599
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1600	encoder1 := encoder1Arg.
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1601	encoder2 := encoder2Arg.
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1602	! !
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1603
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1604	!CharacterEncoder::TwoStepEncoder methodsFor:'encoding & decoding'!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1605
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1606	decode:aCode
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1607	^ encoder1 decode:(encoder2 decode:aCode)
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1608	!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1609
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1610	decodeString:aString
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1611	^ encoder1 decodeString:(encoder2 decodeString:aString)
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1612	!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1613
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1614	encode:aCode
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1615	^ encoder2 encode:(encoder1 encode:aCode)
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1616	!
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1617
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1618	encodeString:aString
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1619	^ encoder2 encodeString:(encoder1 encodeString:aString)
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1620	! !
92b61bef1b1a * empty log message * Claus Gittinger <cg@exept.de> parents: 7917 diff changeset	1621
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1622	!CharacterEncoder::TwoStepEncoder methodsFor:'printing'!
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1623
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1624	printOn:aStream
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1625	aStream
8136 30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1626	nextPutAll:(encoder1 nameOfDecodedCode);
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1627	nextPutAll:'->';
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1628	nextPutAll:(encoder1 nameOfEncoding);
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1629	nextPutAll:'->';
30b63b09b99a * empty log message * Claus Gittinger <cg@exept.de> parents: 8135 diff changeset	1630	nextPutAll:(encoder2 nameOfEncoding)
7972 91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1631	! !
91aa73f89491 * empty log message * Claus Gittinger <cg@exept.de> parents: 7971 diff changeset	1632
11300 2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1633	!CharacterEncoder::TwoStepEncoder methodsFor:'queries'!
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1634
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1635	nameOfEncoding
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1636	^ "encoder1 nameOfEncoding , '-' ," encoder2 nameOfEncoding
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1637
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1638
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1639
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1640
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1641
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1642
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1643
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1644
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1645
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1646
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1647
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1648
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1649
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1650
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1651
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1652
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1653	! !
2e90a91ff766 nameOf two-step encoder Claus Gittinger <cg@exept.de> parents: 11295 diff changeset	1654
7892 149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1655	!CharacterEncoder class methodsFor:'documentation'!
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1656
149a145e871c initial checkin Claus Gittinger <cg@exept.de> parents: diff changeset	1657	version
14174 3a4f041c94a2 changed: #supportedExternalEncodings Michael Beyl <mb@exept.de> parents: 14169 diff changeset	1658	^ '$Header: /cvs/stx/stx/libbasic/CharacterEncoder.st,v 1.114 2012-07-11 11:38:13 mb Exp $'
12435 539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1659	!
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1660
539c24148e90 added: #readNextInputCharacterFrom: Claus Gittinger <cg@exept.de> parents: 11975 diff changeset	1661	version_CVS
14174 3a4f041c94a2 changed: #supportedExternalEncodings Michael Beyl <mb@exept.de> parents: 14169 diff changeset	1662	^ '$Header: /cvs/stx/stx/libbasic/CharacterEncoder.st,v 1.114 2012-07-11 11:38:13 mb Exp $'
7899 7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1663	! !
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1664
7577df77ba95 character encodings - first attempt Claus Gittinger <cg@exept.de> parents: 7893 diff changeset	1665	CharacterEncoder initialize!

author	Michael Beyl <mb@exept.de>
	Wed, 11 Jul 2012 13:38:13 +0200
changeset 14174	3a4f041c94a2
parent 14169	eab487f07a2b
child 14188	9ff8607b11a4
permissions	-rw-r--r--