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303 lines
7.9 KiB
303 lines
7.9 KiB
4 years ago
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/*
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* Copyright (C) 1999-2002, 2004-2011, 2016 Free Software Foundation, Inc.
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* This file is part of the GNU LIBICONV Library.
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*
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* The GNU LIBICONV Library is free software; you can redistribute it
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* and/or modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* The GNU LIBICONV Library is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with the GNU LIBICONV Library; see the file COPYING.LIB.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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/* This file defines all the converters. */
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/* Our own notion of wide character, as UCS-4, according to ISO-10646-1. */
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typedef unsigned int ucs4_t;
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/* State used by a conversion. 0 denotes the initial state. */
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typedef unsigned int state_t;
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/* iconv_t is an opaque type. This is the real iconv_t type. */
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typedef struct conv_struct * conv_t;
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/*
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* Data type for conversion multibyte -> unicode
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*/
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struct mbtowc_funcs {
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int (*xxx_mbtowc) (conv_t conv, ucs4_t *pwc, unsigned char const *s, size_t n);
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/*
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* int xxx_mbtowc (conv_t conv, ucs4_t *pwc, unsigned char const *s, size_t n)
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* converts the byte sequence starting at s to a wide character. Up to n bytes
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* are available at s. n is >= 1.
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* Result is number of bytes consumed (if a wide character was read),
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* or -1 if invalid, or -2 if n too small,
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* or RET_SHIFT_ILSEQ(number of bytes consumed) if invalid input after a shift
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* sequence was read,
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* or RET_TOOFEW(number of bytes consumed) if only a shift sequence was read.
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*/
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int (*xxx_flushwc) (conv_t conv, ucs4_t *pwc);
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/*
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* int xxx_flushwc (conv_t conv, ucs4_t *pwc)
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* returns to the initial state and stores the pending wide character, if any.
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* Result is 1 (if a wide character was read) or 0 if none was pending.
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*/
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};
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/* Return code if invalid input after a shift sequence of n bytes was read.
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(xxx_mbtowc) */
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#define RET_SHIFT_ILSEQ(n) (-1-2*(n))
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/* Return code if invalid. (xxx_mbtowc) */
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#define RET_ILSEQ RET_SHIFT_ILSEQ(0)
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/* Return code if only a shift sequence of n bytes was read. (xxx_mbtowc) */
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#define RET_TOOFEW(n) (-2-2*(n))
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/* Retrieve the n from the encoded RET_... value. */
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#define DECODE_SHIFT_ILSEQ(r) ((unsigned int)(RET_SHIFT_ILSEQ(0) - (r)) / 2)
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#define DECODE_TOOFEW(r) ((unsigned int)(RET_TOOFEW(0) - (r)) / 2)
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/* Maximum value of n that may be used as argument to RET_SHIFT_ILSEQ or RET_TOOFEW. */
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#define RET_COUNT_MAX ((INT_MAX / 2) - 1)
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/*
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* Data type for conversion unicode -> multibyte
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*/
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struct wctomb_funcs {
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int (*xxx_wctomb) (conv_t conv, unsigned char *r, ucs4_t wc, size_t n);
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/*
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* int xxx_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, size_t n)
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* converts the wide character wc to the character set xxx, and stores the
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* result beginning at r. Up to n bytes may be written at r. n is >= 1.
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* Result is number of bytes written, or -1 if invalid, or -2 if n too small.
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*/
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int (*xxx_reset) (conv_t conv, unsigned char *r, size_t n);
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/*
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* int xxx_reset (conv_t conv, unsigned char *r, size_t n)
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* stores a shift sequences returning to the initial state beginning at r.
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* Up to n bytes may be written at r. n is >= 0.
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* Result is number of bytes written, or -2 if n too small.
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*/
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};
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/* Return code if invalid. (xxx_wctomb) */
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#define RET_ILUNI -1
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/* Return code if output buffer is too small. (xxx_wctomb, xxx_reset) */
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#define RET_TOOSMALL -2
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/*
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* Contents of a conversion descriptor.
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*/
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struct conv_struct {
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struct loop_funcs lfuncs;
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/* Input (conversion multibyte -> unicode) */
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int iindex;
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struct mbtowc_funcs ifuncs;
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state_t istate;
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/* Output (conversion unicode -> multibyte) */
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int oindex;
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struct wctomb_funcs ofuncs;
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int oflags;
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state_t ostate;
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/* Operation flags */
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int transliterate;
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int discard_ilseq;
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#ifndef LIBICONV_PLUG
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struct iconv_fallbacks fallbacks;
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struct iconv_hooks hooks;
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#endif
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};
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/*
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* Include all the converters.
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*/
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#include "ascii.h"
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/* General multi-byte encodings */
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#include "utf8.h"
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#include "ucs2.h"
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#include "ucs2be.h"
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#include "ucs2le.h"
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#include "ucs4.h"
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#include "ucs4be.h"
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#include "ucs4le.h"
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#include "utf16.h"
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#include "utf16be.h"
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#include "utf16le.h"
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#include "utf32.h"
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#include "utf32be.h"
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#include "utf32le.h"
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#include "utf7.h"
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#include "ucs2internal.h"
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#include "ucs2swapped.h"
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#include "ucs4internal.h"
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#include "ucs4swapped.h"
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#include "c99.h"
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#include "java.h"
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/* 8-bit encodings */
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#include "iso8859_1.h"
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#include "iso8859_2.h"
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#include "iso8859_3.h"
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#include "iso8859_4.h"
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#include "iso8859_5.h"
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#include "iso8859_6.h"
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#include "iso8859_7.h"
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#include "iso8859_8.h"
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#include "iso8859_9.h"
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#include "iso8859_10.h"
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#include "iso8859_11.h"
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#include "iso8859_13.h"
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#include "iso8859_14.h"
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#include "iso8859_15.h"
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#include "iso8859_16.h"
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#include "koi8_r.h"
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#include "koi8_u.h"
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#include "koi8_ru.h"
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#include "cp1250.h"
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#include "cp1251.h"
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#include "cp1252.h"
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#include "cp1253.h"
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#include "cp1254.h"
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#include "cp1255.h"
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#include "cp1256.h"
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#include "cp1257.h"
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#include "cp1258.h"
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#include "cp850.h"
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#include "cp862.h"
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#include "cp866.h"
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#include "cp1131.h"
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#include "mac_roman.h"
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#include "mac_centraleurope.h"
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#include "mac_iceland.h"
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#include "mac_croatian.h"
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#include "mac_romania.h"
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#include "mac_cyrillic.h"
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#include "mac_ukraine.h"
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#include "mac_greek.h"
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#include "mac_turkish.h"
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#include "mac_hebrew.h"
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#include "mac_arabic.h"
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#include "mac_thai.h"
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#include "hp_roman8.h"
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#include "nextstep.h"
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#include "armscii_8.h"
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#include "georgian_academy.h"
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#include "georgian_ps.h"
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#include "koi8_t.h"
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#include "pt154.h"
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#include "rk1048.h"
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#include "mulelao.h"
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#include "cp1133.h"
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#include "tis620.h"
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#include "cp874.h"
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#include "viscii.h"
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#include "tcvn.h"
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/* CJK character sets [CCS = coded character set] [CJKV.INF chapter 3] */
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typedef struct {
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unsigned short indx; /* index into big table */
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unsigned short used; /* bitmask of used entries */
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} Summary16;
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#include "iso646_jp.h"
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#include "jisx0201.h"
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#include "jisx0208.h"
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#include "jisx0212.h"
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#include "iso646_cn.h"
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#include "gb2312.h"
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#include "isoir165.h"
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/*#include "gb12345.h"*/
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#include "gbk.h"
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#include "cns11643.h"
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#include "big5.h"
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#include "ksc5601.h"
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#include "johab_hangul.h"
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/* CJK encodings [CES = character encoding scheme] [CJKV.INF chapter 4] */
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#include "euc_jp.h"
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#include "sjis.h"
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#include "cp932.h"
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#include "iso2022_jp.h"
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#include "iso2022_jp1.h"
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#include "iso2022_jp2.h"
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#include "iso2022_jpms.h"
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#include "euc_cn.h"
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#include "ces_gbk.h"
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#include "cp936.h"
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#include "gb18030.h"
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#include "iso2022_cn.h"
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#include "iso2022_cnext.h"
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#include "hz.h"
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#include "euc_tw.h"
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#include "ces_big5.h"
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#include "cp950.h"
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#include "big5hkscs1999.h"
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#include "big5hkscs2001.h"
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#include "big5hkscs2004.h"
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#include "big5hkscs2008.h"
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#include "euc_kr.h"
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#include "cp949.h"
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#include "johab.h"
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#include "iso2022_kr.h"
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/* Encodings used by system dependent locales. */
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#ifdef USE_AIX
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#include "cp856.h"
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#include "cp922.h"
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#include "cp943.h"
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#include "cp1046.h"
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#include "cp1124.h"
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#include "cp1129.h"
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#include "cp1161.h"
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#include "cp1162.h"
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#include "cp1163.h"
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#endif
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#ifdef USE_OSF1
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#include "dec_kanji.h"
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#include "dec_hanyu.h"
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#endif
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#ifdef USE_DOS
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#include "cp437.h"
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#include "cp737.h"
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#include "cp775.h"
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#include "cp852.h"
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#include "cp853.h"
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#include "cp855.h"
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#include "cp857.h"
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#include "cp858.h"
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#include "cp860.h"
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#include "cp861.h"
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#include "cp863.h"
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#include "cp864.h"
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#include "cp865.h"
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#include "cp869.h"
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#include "cp1125.h"
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#endif
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#ifdef USE_EXTRA
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#include "euc_jisx0213.h"
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#include "shift_jisx0213.h"
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#include "iso2022_jp3.h"
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#include "big5_2003.h"
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#include "tds565.h"
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#include "atarist.h"
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#include "riscos1.h"
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#endif
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