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utf8.h
/* ======================================================================== * Copyright 1988-2008 University of Washington * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * * ======================================================================== */ /* * Program: UTF-8 routines * * Author: Mark Crispin * Networks and Distributed Computing * Computing & Communications * University of Washington * Administration Building, AG-44 * Seattle, WA 98195 * Internet: MRC@CAC.Washington.EDU * * Date: 11 June 1997 * Last Edited: 17 January 2008 */ /* UTF-8 size and conversion routines from UCS-2 values (thus in the BMP). * Don't use these if UTF-16 data (surrogate pairs) are an issue. * For UCS-4 values, use the utf8_size() and utf8_put() functions. */ #define UTF8_SIZE_BMP(c) ((c & 0xff80) ? ((c & 0xf800) ? 3 : 2) : 1) #define UTF8_PUT_BMP(b,c) { \ if (c & 0xff80) { /* non-ASCII? */ \ if (c & 0xf800) { /* three byte code */ \ *b++ = 0xe0 | (c >> 12); \ *b++ = 0x80 | ((c >> 6) & 0x3f); \ } \ else *b++ = 0xc0 | ((c >> 6) & 0x3f); \ *b++ = 0x80 | (c & 0x3f); \ } \ else *b++ = c; \ } /* utf8_text() flag values */ #define U8T_CASECANON 2 /* canonicalize case */ #define U8T_DECOMPOSE 4 /* decompose */ /* full canonicalization */ #define U8T_CANONICAL (U8T_CASECANON | U8T_DECOMPOSE) /* utf8_get() return values */ /* 0x0000 - 0xffff BMP plane */ #define U8GM_NONBMP 0xffff0000 /* mask for non-BMP values */ /* 0x10000 - 0x10ffff extended planes */ /* 0x110000 - 0x7ffffff non-Unicode */ #define U8G_ERROR 0x80000000 /* error flag */ #define U8G_BADCONT U8G_ERROR+1 /* continuation when not in progress */ #define U8G_INCMPLT U8G_ERROR+2 /* incomplete UTF-8 character */ #define U8G_NOTUTF8 U8G_ERROR+3 /* not a valid UTF-8 octet */ #define U8G_ENDSTRG U8G_ERROR+4 /* end of string */ #define U8G_ENDSTRI U8G_ERROR+5 /* end of string w/ incomplete UTF-8 char */ #define U8G_SURROGA U8G_ERROR+6 /* surrogate codepoint */ #define U8G_NOTUNIC U8G_ERROR+7 /* non-Unicode codepoint */ /* ucs4_width() return values */ #define U4W_ERROR 0x80000000 /* error flags */ #define U4W_NOTUNCD U4W_ERROR+1 /* not a Unicode char */ #define U4W_PRIVATE U4W_ERROR+2 /* private-space plane */ #define U4W_SSPCHAR U4W_ERROR+3 /* Supplementary Special-purpose Plane */ #define U4W_UNASSGN U4W_ERROR+4 /* unassigned space plane */ #define U4W_CONTROL U4W_ERROR+5 /* C0/C1 control */ #define U4W_CTLSRGT U4W_CONTROL /* in case legacy code references this */ /* ISO-2022 engine states */ #define I2S_CHAR 0 /* character */ #define I2S_ESC 1 /* previous character was ESC */ #define I2S_MUL 2 /* previous character was multi-byte code */ #define I2S_INT 3 /* previous character was intermediate */ /* ISO-2022 Gn selections */ #define I2C_G0 0 /* G0 */ #define I2C_G1 1 /* G1 */ #define I2C_G2 2 /* G2 */ #define I2C_G3 3 /* G3 */ #define I2C_SG2 (2 << 2) /* single shift G2 */ #define I2C_SG3 (3 << 2) /* single shift G2 */ /* ISO-2022 octet definitions */ #define I2C_ESC 0x1b /* ESCape */ /* Intermediate character */ #define I2C_STRUCTURE 0x20 /* announce code structure */ #define I2C_C0 0x21 /* C0 */ #define I2C_C1 0x22 /* C1 */ #define I2C_CONTROL 0x23 /* single control function */ #define I2C_MULTI 0x24 /* multi-byte character set */ #define I2C_OTHER 0x25 /* other coding system */ #define I2C_REVISED 0x26 /* revised registration */ #define I2C_G0_94 0x28 /* G0 94-character set */ #define I2C_G1_94 0x29 /* G1 94-character set */ #define I2C_G2_94 0x2A /* G2 94-character set */ #define I2C_G3_94 0x2B /* G3 94-character set */ #define I2C_G0_96 0x2C /* (not in ISO-2022) G0 96-character set */ #define I2C_G1_96 0x2D /* G1 96-character set */ #define I2C_G2_96 0x2E /* G2 96-character set */ #define I2C_G3_96 0x2F /* G3 96-character set */ /* Locking shifts */ #define I2C_SI 0x0f /* lock shift to G0 (Shift In) */ #define I2C_SO 0x0e /* lock shift to G1 (Shift Out) */ /* prefixed by ESC */ #define I2C_LS2 0x6e /* lock shift to G2 */ #define I2C_LS3 0x6f /* lock shift to G3 */ #define I2C_LS1R 0x7e /* lock shift GR to G1 */ #define I2C_LS2R 0x7d /* lock shift GR to G2 */ #define I2C_LS3R 0x7c /* lock shift GR to G3 */ /* Single shifts */ #define I2C_SS2_ALT 0x8e /* single shift to G2 (SS2) */ #define I2C_SS3_ALT 0x8f /* single shift to G3 (SS3) */ #define I2C_SS2_ALT_7 0x19 /* single shift to G2 (SS2) */ #define I2C_SS3_ALT_7 0x1d /* single shift to G3 (SS3) */ /* prefixed by ESC */ #define I2C_SS2 0x4e /* single shift to G2 (SS2) */ #define I2C_SS3 0x4f /* single shift to G3 (SS3) */ /* 94 character sets */ /* 4/0 ISO 646 IRV */ #define I2CS_94_BRITISH 0x41 /* 4/1 ISO 646 British */ #define I2CS_94_ASCII 0x42 /* 4/2 ISO 646 USA (ASCII) */ /* 4/3 NATS Finland/Sweden (primary) */ /* 4/4 NATS Finland/Sweden (secondary) */ /* 4/5 NATS Denmark/Norway (primary) */ /* 4/6 NATS Denmark/Norway (secondary) */ /* 4/7 ISO 646 Swedish SEN 850200 */ /* 4/8 ISO 646 Swedish names */ #define I2CS_94_JIS_BUGROM 0x48 /* 4/8 some buggy software does this */ #define I2CS_94_JIS_KANA 0x49 /* 4/9 JIS X 0201-1976 right half */ #define I2CS_94_JIS_ROMAN 0x4a /* 4/a JIS X 0201-1976 left half */ /* 4/b ISO 646 German */ /* 4/c ISO 646 Portuguese (Olivetti) */ /* 4/d ISO 6438 African */ /* 4/e ISO 5427 Cyrillic (Honeywell-Bull) */ /* 4/f DIN 31624 extended bibliography */ /* 5/0 ISO 5426-1980 Bibliography */ /* 5/1 ISO 5427-1981 Cyrillic*/ /* 5/2 ISO 646 French (withdrawn) */ /* 5/3 ISO 5428-1980 Greek bibliography */ /* 5/4 GB 1988-80 Chinese */ /* 5/5 Latin-Greek (Honeywell-Bull) */ /* 5/6 UK Viewdata/Teletext */ /* 5/7 INIS (IRV subset) */ /* 5/8 ISO 5428 Greek Bibliography */ /* 5/9 ISO 646 Italian (Olivetti) */ /* 5/a ISO 646 Spanish (Olivetti) */ /* 5/b Greek (Olivetti) */ /* 5/c Latin-Greek (Olivetti) */ /* 5/d INIS non-standard extension */ /* 5/e INIS Cyrillic extension */ /* 5/f Arabic CODAR-U IERA */ /* 6/0 ISO 646 Norwegian */ /* 6/1 Norwegian version 2 (withdrawn) */ /* 6/2 Videotex supplementary */ /* 6/3 Videotex supplementary #2 */ /* 6/4 Videotex supplementary #3 */ /* 6/5 APL */ /* 6/6 ISO 646 French */ /* 6/7 ISO 646 Portuguese (IBM) */ /* 6/8 ISO 646 Spanish (IBM) */ /* 6/9 ISO 646 Hungarian */ /* 6/a Greek ELOT (withdrawn) */ /* 6/b ISO 9036 Arabic 7-bit */ /* 6/c ISO 646 IRV supplementary set */ /* 6/d JIS C6229-1984 OCR-A */ /* 6/e JIS C6229-1984 OCR-B */ /* 6/f JIS C6229-1984 OCR-B additional */ /* 7/0 JIS C6229-1984 hand-printed */ /* 7/1 JIS C6229-1984 additional hand-printd */ /* 7/2 JIS C6229-1984 katakana hand-printed */ /* 7/3 E13B Japanese graphic */ /* 7/4 Supplementary Videotex (withdrawn) */ /* 7/5 Teletex primary CCITT T.61 */ /* 7/6 Teletex secondary CCITT T.61 */ /* 7/7 CSA Z 243.4-1985 Alternate primary #1 */ /* 7/8 CSA Z 243.4-1985 Alternate primary #2 */ /* 7/9 Mosaic CCITT T.101 */ /* 7/a Serbocroatian/Slovenian Latin */ /* 7/b Serbocroatian Cyrillic */ /* 7/c Supplementary CCITT T.101 */ /* 7/d Macedonian Cyrillic */ /* 94 character sets - second intermediate byte */ /* 4/0 Greek primary CCITT */ /* 4/1 Cuba */ /* 4/2 ISO/IEC 646 invariant */ /* 4/3 Irish Gaelic 7-bit */ /* 4/4 Turkmen */ /* 94x94 character sets */ #define I2CS_94x94_JIS_OLD 0x40 /* 4/0 JIS X 0208-1978 */ #define I2CS_94x94_GB 0x41 /* 4/1 GB 2312 */ #define I2CS_94x94_JIS_NEW 0x42 /* 4/2 JIS X 0208-1983 */ #define I2CS_94x94_KSC 0x43 /* 4/3 KSC 5601 */ #define I2CS_94x94_JIS_EXT 0x44 /* 4/4 JIS X 0212-1990 */ /* 4/5 CCITT Chinese */ /* 4/6 Blisssymbol Graphic */ #define I2CS_94x94_CNS1 0x47 /* 4/7 CNS 11643 plane 1 */ #define I2CS_94x94_CNS2 0x48 /* 4/8 CNS 11643 plane 2 */ #define I2CS_94x94_CNS3 0x49 /* 4/9 CNS 11643 plane 3 */ #define I2CS_94x94_CNS4 0x4a /* 4/a CNS 11643 plane 4 */ #define I2CS_94x94_CNS5 0x4b /* 4/b CNS 11643 plane 5 */ #define I2CS_94x94_CNS6 0x4c /* 4/c CNS 11643 plane 6 */ #define I2CS_94x94_CNS7 0x4d /* 4/d CNS 11643 plane 7 */ /* 4/e DPRK (North Korea) KGCII */ /* 4/f JGCII plane 1 */ /* 5/0 JGCII plane 2 */ /* 96 character sets */ #define I2CS_96_ISO8859_1 0x41 /* 4/1 Latin-1 (Western Europe) */ #define I2CS_96_ISO8859_2 0x42 /* 4/2 Latin-2 (Czech, Slovak) */ #define I2CS_96_ISO8859_3 0x43 /* 4/3 Latin-3 (Dutch, Turkish) */ #define I2CS_96_ISO8859_4 0x44 /* 4/4 Latin-4 (Scandinavian) */ /* 4/5 CSA Z 243.4-1985 */ #define I2CS_96_ISO8859_7 0x46 /* 4/6 Greek */ #define I2CS_96_ISO8859_6 0x47 /* 4/7 Arabic */ #define I2CS_96_ISO8859_8 0x48 /* 4/8 Hebrew */ /* 4/9 Czechoslovak CSN 369103 */ /* 4/a Supplementary Latin and non-alpha */ /* 4/b Technical */ #define I2CS_96_ISO8859_5 0x4c /* 4/c Cyrillic */ #define I2CS_96_ISO8859_9 0x4d /* 4/d Latin-5 (Finnish, Portuguese) */ /* 4/e ISO 6937-2 residual */ /* 4/f Basic Cyrillic */ /* 5/0 Supplementary Latin 1, 2 and 5 */ /* 5/1 Basic Box */ /* 5/2 Supplementary ISO/IEC 6937 : 1992 */ /* 5/3 CCITT Hebrew supplementary */ #define I2CS_96_TIS620 0x54 /* 5/4 TIS 620 */ /* 5/5 Arabic/French/German */ #define I2CS_96_ISO8859_10 0x56 /* 5/6 Latin-6 (Northern Europe) */ /* 5/7 ??? */ /* 5/8 Sami (Lappish) supplementary */ #define I2CS_96_ISO8859_13 0x59 /* 5/9 Latin-7 (Baltic) */ #define I2CS_96_VSCII 0x5a /* 5/a Vietnamese */ /* 5/b Technical #1 IEC 1289 */ #define I2CS_96_ISO8859_14 0x5c /* 5/c Latin-8 (Celtic) */ /* 5/d Sami supplementary Latin */ /* 5/e Latin/Hebrew */ /* 5/f Celtic supplementary Latin */ /* 6/0 Uralic supplementary Cyrillic */ /* 6/1 Volgaic supplementary Cyrillic */ #define I2CS_96_ISO8859_15 0x62 /* 6/2 Latin-9 (Euro) */ /* 6/3 Latin-1 with Euro */ /* 6/4 Latin-4 with Euro */ /* 6/5 Latin-7 with Euro */ #define I2CS_96_ISO8859_16 0x66 /* 6/6 Latin-10 (Balkan) */ /* 6/7 Ogham */ /* 6/8 Sami supplementary Latin #2 */ /* 7/d Supplementary Mosaic for CCITT 101 */ /* 96x96 character sets */ /* Types of character sets */ #define I2CS_94 0x000 /* 94 character set */ #define I2CS_96 0x100 /* 96 character set */ #define I2CS_MUL 0x200 /* multi-byte */ #define I2CS_94x94 (I2CS_MUL | I2CS_94) #define I2CS_96x96 (I2CS_MUL | I2CS_96) /* Character set identifiers stored in Gn */ #define I2CS_BRITISH (I2CS_94 | I2CS_94_BRITISH) #define I2CS_ASCII (I2CS_94 | I2CS_94_ASCII) #define I2CS_JIS_BUGROM (I2CS_94 | I2CS_94_JIS_BUGROM) #define I2CS_JIS_KANA (I2CS_94 | I2CS_94_JIS_KANA) #define I2CS_JIS_ROMAN (I2CS_94 | I2CS_94_JIS_ROMAN) #define I2CS_JIS_OLD (I2CS_94x94 | I2CS_94x94_JIS_OLD) #define I2CS_GB (I2CS_94x94 | I2CS_94x94_GB) #define I2CS_JIS_NEW (I2CS_94x94 | I2CS_94x94_JIS_NEW) #define I2CS_KSC (I2CS_94x94 | I2CS_94x94_KSC) #define I2CS_JIS_EXT (I2CS_94x94 | I2CS_94x94_JIS_EXT) #define I2CS_CNS1 (I2CS_94x94 | I2CS_94x94_CNS1) #define I2CS_CNS2 (I2CS_94x94 | I2CS_94x94_CNS2) #define I2CS_CNS3 (I2CS_94x94 | I2CS_94x94_CNS3) #define I2CS_CNS4 (I2CS_94x94 | I2CS_94x94_CNS4) #define I2CS_CNS5 (I2CS_94x94 | I2CS_94x94_CNS5) #define I2CS_CNS6 (I2CS_94x94 | I2CS_94x94_CNS6) #define I2CS_CNS7 (I2CS_94x94 | I2CS_94x94_CNS7) #define I2CS_ISO8859_1 (I2CS_96 | I2CS_96_ISO8859_1) #define I2CS_ISO8859_2 (I2CS_96 | I2CS_96_ISO8859_2) #define I2CS_ISO8859_3 (I2CS_96 | I2CS_96_ISO8859_3) #define I2CS_ISO8859_4 (I2CS_96 | I2CS_96_ISO8859_4) #define I2CS_ISO8859_7 (I2CS_96 | I2CS_96_ISO8859_7) #define I2CS_ISO8859_6 (I2CS_96 | I2CS_96_ISO8859_6) #define I2CS_ISO8859_8 (I2CS_96 | I2CS_96_ISO8859_8) #define I2CS_ISO8859_5 (I2CS_96 | I2CS_96_ISO8859_5) #define I2CS_ISO8859_9 (I2CS_96 | I2CS_96_ISO8859_9) #define I2CS_TIS620 (I2CS_96 | I2CS_96_TIS620) #define I2CS_ISO8859_10 (I2CS_96 | I2CS_96_ISO8859_10) #define I2CS_ISO8859_13 (I2CS_96 | I2CS_96_ISO8859_13) #define I2CS_VSCII (I2CS_96 | I2CS_96_VSCII) #define I2CS_ISO8859_14 (I2CS_96 | I2CS_96_ISO8859_14) #define I2CS_ISO8859_15 (I2CS_96 | I2CS_96_ISO8859_15) #define I2CS_ISO8859_16 (I2CS_96 | I2CS_96_ISO8859_16) /* Miscellaneous ISO 2022 definitions */ #define EUC_CS2 0x8e /* single shift CS2 */ #define EUC_CS3 0x8f /* single shift CS3 */ #define BITS7 0x7f /* 7-bit value mask */ #define BIT8 0x80 /* 8th bit mask */ /* The following saves us from having to have yet more charset tables */ /* Unicode codepoints */ #define UCS2_C0CONTROL 0x00 /* first C0 control */ #define UCS2_C0CONTROLEND 0x1F /* last C0 control */ #define UCS2_C1CONTROL 0x80 /* first C1 control */ #define UCS2_C1CONTROLEND 0x9F /* last C1 control */ /* ISO 646 substituted Unicode codepoints */ #define UCS2_POUNDSTERLING 0x00a3 #define UCS2_YEN 0x00a5 #define UCS2_OVERLINE 0x203e #define UCS2_EURO 0x20ac #define UCS2_KATAKANA 0xff61 /* first katakana codepoint */ #define UCS2_BOM 0xfeff /* byte order mark */ #define UCS2_BOGON 0xfffd /* replacement character */ /* next two codepoints are not Unicode chars */ #define UCS2_BOMCHECK 0xfffe /* used to check byte order with UCS2_BOM */ #define UCS2_NOTCHAR 0xffff /* not a character */ #define UCS4_BMPBASE 0x0000 /* Basic Multilingual Plane */ #define UCS4_SMPBASE 0x10000 /* Supplementary Multilinugual Plane */ #define UCS4_SIPBASE 0x20000 /* Supplementary Ideographic Plane */ /* EastAsianWidth says plane 3 is wide */ #define UCS4_UNABASE 0x40000 /* unassigned space */ #define UCS4_SSPBASE 0xe0000 /* Supplementary Special-purpose Plane */ #define UCS4_PVTBASE 0xf0000 /* private-space (two planes) */ #define UCS4_MAXUNICODE 0x10ffff/* highest Unicode codepoint */ #define UTF16_BASE 0x10000 /* base of codepoints needing surrogates */ #define UTF16_SHIFT 10 /* surrogate shift */ #define UTF16_MASK 0x3ff /* surrogate mask */ #define UTF16_SURR 0xd800 /* UTF-16 surrogate area */ #define UTF16_SURRH 0xd800 /* UTF-16 first high surrogate */ #define UTF16_SURRHEND 0xdbff /* UTF-16 last high surrogate */ #define UTF16_SURRL 0xdc00 /* UTF-16 first low surrogate */ #define UTF16_SURRLEND 0xdfff /* UTF-16 last low surrogate */ #define UTF16_MAXSURR 0xdfff /* end of UTF-16 surrogates */ /* UBOGON is used to represent a codepoint in a character set which does not * map to Unicode. It is also used for mapping failures, e.g. incomplete * shift sequences. This name has the same text width as 0x????, for * convenience in the mapping tables. * * NOCHAR is used to represent a codepoint in Unicode which does not map to * the target character set in a reverse mapping table. This name has the * same text width as 0x???? in case we ever add static reverse mapping tables. */ #define UBOGON UCS2_BOGON #define NOCHAR UCS2_NOTCHAR /* Codepoints in non-Unicode character sets */ /* Codepoints in ISO 646 character sets */ /* British ASCII codepoints */ #define BRITISH_POUNDSTERLING 0x23 /* JIS Roman codepoints */ #define JISROMAN_YEN 0x5c #define JISROMAN_OVERLINE 0x7e /* Hankaku katakana codepoints & parameters * * In earlier versions, MAX_KANA_7 and MAX_KANA_8 were the maximum codepoint * values. Although this made sense, it was confusing with the "max ku" and * "max ten" values used in the double-byte tables; there are 1-origin, but * the calculated values used for "ku" and "ten" are 0-origin (derived by * substracting the "base"). What this all meant is that for double byte * characters the limit test is of the form (value < max_ku), but for single * byte characters (which used the same cell to hold the max ku) the limit * test was (value <= max_ku). * * By making MAX_KANA_[78] be maximum+1, the same (value < max_ku) limit test * is used throughout. - 6/15/2006 */ #define MIN_KANA_7 0x21 #define MAX_KANA_7 0x60 /* maximum value + 1 */ #define KANA_7 (UCS2_KATAKANA - MIN_KANA_7) #define MIN_KANA_8 (MIN_KANA_7 | BIT8) #define MAX_KANA_8 (MAX_KANA_7 | BIT8) #define KANA_8 (UCS2_KATAKANA - MIN_KANA_8) /* Charset scripts */ /* The term "script" is used here in a very loose sense, enough to make * purists cringe. Basically, the idea is to give the main program some * idea of how it should treat the characters of text in a charset with * respect to font, drawing routines, etc. * * In some cases, "script" is associated with a charset; in other cases, * it's more closely tied to a language. */ #define SC_UNICODE 0x1 /* Unicode */ #define SC_LATIN_1 0x10 /* Western Europe */ #define SC_LATIN_2 0x20 /* Eastern Europe */ #define SC_LATIN_3 0x40 /* Southern Europe */ #define SC_LATIN_4 0x80 /* Northern Europe */ #define SC_LATIN_5 0x100 /* Turkish */ #define SC_LATIN_6 0x200 /* Nordic */ #define SC_LATIN_7 0x400 /* Baltic */ #define SC_LATIN_8 0x800 /* Celtic */ #define SC_LATIN_9 0x1000 /* Euro */ #define SC_LATIN_0 SC_LATIN_9 /* colloquial name for Latin-9 */ #define SC_ARABIC 0x2000 #define SC_CYRILLIC 0x4000 #define SC_GREEK 0x8000 #define SC_HEBREW 0x10000 #define SC_THAI 0x20000 #define SC_UKRANIAN 0x40000 #define SC_LATIN_10 0x80000 /* Balkan */ #define SC_VIETNAMESE 0x100000 #define SC_CHINESE_SIMPLIFIED 0x1000000 #define SC_CHINESE_TRADITIONAL 0x2000000 #define SC_JAPANESE 0x4000000 #define SC_KOREAN 0x8000000 /* Script table */ typedef struct utf8_scent { char *name; /* script name */ char *description; /* script description */ unsigned long script; /* script bitmask */ } SCRIPT; /* Character set table support */ typedef struct utf8_csent { char *name; /* charset name */ unsigned short type; /* type of charset */ unsigned short flags; /* charset flags */ void *tab; /* additional data */ unsigned long script; /* script(s) implemented by this charset */ char *preferred; /* preferred charset over this one */ } CHARSET; struct utf8_eucparam { unsigned int base_ku : 8; /* base row */ unsigned int base_ten : 8; /* base column */ unsigned int max_ku : 8; /* maximum row */ unsigned int max_ten : 8; /* maximum column */ void *tab; /* conversion table */ }; /* Charset types */ #define CT_UNKNOWN 0 /* unknown 8-bit */ #define CT_ASCII 1 /* 7-bit ASCII no table */ #define CT_UCS2 2 /* 2 byte 16-bit Unicode no table */ #define CT_UCS4 3 /* 4 byte 32-bit Unicode no table */ #define CT_1BYTE0 10 /* 1 byte ISO 8859-1 no table */ #define CT_1BYTE 11 /* 1 byte ASCII + table 0x80-0xff */ #define CT_1BYTE8 12 /* 1 byte table 0x00 - 0xff */ #define CT_EUC 100 /* 2 byte ASCII + utf8_eucparam base/CS2/CS3 */ #define CT_DBYTE 101 /* 2 byte ASCII + utf8_eucparam */ #define CT_DBYTE2 102 /* 2 byte ASCII + utf8_eucparam plane1/2 */ #define CT_UTF16 1000 /* variable UTF-16 encoded Unicode no table */ #define CT_UTF8 1001 /* variable UTF-8 encoded Unicode no table */ #define CT_UTF7 1002 /* variable UTF-7 encoded Unicode no table */ #define CT_2022 10000 /* variable ISO-2022 encoded no table */ #define CT_SJIS 10001 /* 2 byte Shift-JIS encoded JIS no table */ /* Character set flags */ #define CF_PRIMARY 0x1 /* primary name for this charset */ #define CF_DISPLAY 0x2 /* charset used in displays */ #define CF_POSTING 0x4 /* charset used in email posting */ #define CF_UNSUPRT 0x8 /* charset unsupported (can't convert to it) */ #define CF_NOEMAIL 0x10 /* charset not used in email */ /* UTF-7 engine states */ #define U7_ASCII 0 /* ASCII character */ #define U7_PLUS 1 /* plus seen */ #define U7_UNICODE 2 /* Unicode characters */ #define U7_MINUS 3 /* absorbed minus seen */ /* Function prototypes */ typedef unsigned long (*ucs4cn_t) (unsigned long c); typedef unsigned long (*ucs4de_t) (unsigned long c,void **more); SCRIPT *utf8_script (char *script); const CHARSET *utf8_charset (char *charset); char *utf8_badcharset (char *charset); long utf8_text (SIZEDTEXT *text,char *charset,SIZEDTEXT *ret,long flags); long utf8_text_cs (SIZEDTEXT *text,const CHARSET *cs,SIZEDTEXT *ret, ucs4cn_t cv,ucs4de_t de); long utf8_cstext (SIZEDTEXT *text,char *charset,SIZEDTEXT *ret, unsigned long errch); long utf8_cstocstext (SIZEDTEXT *text,char *sc,SIZEDTEXT *ret,char *dc, unsigned long errch); unsigned short *utf8_rmap (char *charset); unsigned short *utf8_rmap_cs (const CHARSET *cs); unsigned short *utf8_rmap_gen (const CHARSET *cs,unsigned short *oldmap); long utf8_rmaptext (SIZEDTEXT *text,unsigned short *rmap,SIZEDTEXT *ret, unsigned long errch,long iso2022jp); unsigned long utf8_rmapsize (SIZEDTEXT *text,unsigned short *rmap, unsigned long errch,long iso2022jp); long ucs4_rmaptext (unsigned long *ucs4,unsigned long len,unsigned short *rmap, SIZEDTEXT *ret,unsigned long errch); long ucs4_rmaplen (unsigned long *ucs4,unsigned long len,unsigned short *rmap, unsigned long errch); long ucs4_rmapbuf (unsigned char *t,unsigned long *ucs4,unsigned long len, unsigned short *rmap,unsigned long errch); unsigned long utf8_get (unsigned char **s,unsigned long *i); unsigned long utf8_get_raw (unsigned char **s,unsigned long *i); unsigned long ucs4_cs_get (CHARSET *cs,unsigned char **s,unsigned long *i); unsigned long *utf8_csvalidmap (char *charsets[]); const CHARSET *utf8_infercharset (SIZEDTEXT *src); long utf8_validate (unsigned char *s,unsigned long i); void utf8_text_1byte0 (SIZEDTEXT *text,SIZEDTEXT *ret,ucs4cn_t cv,ucs4de_t de); void utf8_text_1byte (SIZEDTEXT *text,SIZEDTEXT *ret,void *tab,ucs4cn_t cv, ucs4de_t de); void utf8_text_1byte8 (SIZEDTEXT *text,SIZEDTEXT *ret,void *tab,ucs4cn_t cv, ucs4de_t de); void utf8_text_euc (SIZEDTEXT *text,SIZEDTEXT *ret,void *tab,ucs4cn_t cv, ucs4de_t de); void utf8_text_dbyte (SIZEDTEXT *text,SIZEDTEXT *ret,void *tab,ucs4cn_t cv, ucs4de_t de); void utf8_text_dbyte2 (SIZEDTEXT *text,SIZEDTEXT *ret,void *tab,ucs4cn_t cv, ucs4de_t de); void utf8_text_sjis (SIZEDTEXT *text,SIZEDTEXT *ret,ucs4cn_t cv,ucs4de_t de); void utf8_text_2022 (SIZEDTEXT *text,SIZEDTEXT *ret,ucs4cn_t cv,ucs4de_t de); void utf8_text_utf7 (SIZEDTEXT *text,SIZEDTEXT *ret,ucs4cn_t cv,ucs4de_t de); void utf8_text_utf8 (SIZEDTEXT *text,SIZEDTEXT *ret,ucs4cn_t cv,ucs4de_t de); void utf8_text_ucs2 (SIZEDTEXT *text,SIZEDTEXT *ret,ucs4cn_t cv,ucs4de_t de); void utf8_text_ucs4 (SIZEDTEXT *text,SIZEDTEXT *ret,ucs4cn_t cv,ucs4de_t de); void utf8_text_utf16 (SIZEDTEXT *text,SIZEDTEXT *ret,ucs4cn_t cv,ucs4de_t de); unsigned long utf8_size (unsigned long c); unsigned char *utf8_put (unsigned char *s,unsigned long c); unsigned long ucs4_titlecase (unsigned long c); long ucs4_width (unsigned long c); long utf8_strwidth (unsigned char *s); long utf8_textwidth (SIZEDTEXT *utf8); unsigned long ucs4_decompose (unsigned long c,void **more); unsigned long ucs4_decompose_recursive (unsigned long c,void **more);
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