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1 office 1 /*
2 * Copyright (C) 1999-2002, 2004-2010 Free Software Foundation, Inc.
3 * This file is part of the GNU LIBICONV Library.
4 *
5 * The GNU LIBICONV Library is free software; you can redistribute it
6 * and/or modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 *
10 * The GNU LIBICONV Library is distributed in the hope that it will be
11 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public
16 * License along with the GNU LIBICONV Library; see the file COPYING.LIB.
17 * If not, write to the Free Software Foundation, Inc., 51 Franklin Street,
18 * Fifth Floor, Boston, MA 02110-1301, USA.
19 */
20  
21 /* This file defines all the converters. */
22  
23  
24 /* Our own notion of wide character, as UCS-4, according to ISO-10646-1. */
25 typedef unsigned int ucs4_t;
26  
27 /* State used by a conversion. 0 denotes the initial state. */
28 typedef unsigned int state_t;
29  
30 /* iconv_t is an opaque type. This is the real iconv_t type. */
31 typedef struct conv_struct * conv_t;
32  
33 /*
34 * Data type for conversion multibyte -> unicode
35 */
36 struct mbtowc_funcs {
37 int (*xxx_mbtowc) (conv_t conv, ucs4_t *pwc, unsigned char const *s, int n);
38 /*
39 * int xxx_mbtowc (conv_t conv, ucs4_t *pwc, unsigned char const *s, int n)
40 * converts the byte sequence starting at s to a wide character. Up to n bytes
41 * are available at s. n is >= 1.
42 * Result is number of bytes consumed (if a wide character was read),
43 * or -1 if invalid, or -2 if n too small, or -2-(number of bytes consumed)
44 * if only a shift sequence was read.
45 */
46 int (*xxx_flushwc) (conv_t conv, ucs4_t *pwc);
47 /*
48 * int xxx_flushwc (conv_t conv, ucs4_t *pwc)
49 * returns to the initial state and stores the pending wide character, if any.
50 * Result is 1 (if a wide character was read) or 0 if none was pending.
51 */
52 };
53  
54 /* Return code if invalid input after a shift sequence of n bytes was read.
55 (xxx_mbtowc) */
56 #define RET_SHIFT_ILSEQ(n) (-1-2*(n))
57 /* Return code if invalid. (xxx_mbtowc) */
58 #define RET_ILSEQ RET_SHIFT_ILSEQ(0)
59 /* Return code if only a shift sequence of n bytes was read. (xxx_mbtowc) */
60 #define RET_TOOFEW(n) (-2-2*(n))
61 /* Retrieve the n from the encoded RET_... value. */
62 #define DECODE_SHIFT_ILSEQ(r) ((unsigned int)(RET_SHIFT_ILSEQ(0) - (r)) / 2)
63 #define DECODE_TOOFEW(r) ((unsigned int)(RET_TOOFEW(0) - (r)) / 2)
64  
65 /*
66 * Data type for conversion unicode -> multibyte
67 */
68 struct wctomb_funcs {
69 int (*xxx_wctomb) (conv_t conv, unsigned char *r, ucs4_t wc, int n);
70 /*
71 * int xxx_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
72 * converts the wide character wc to the character set xxx, and stores the
73 * result beginning at r. Up to n bytes may be written at r. n is >= 1.
74 * Result is number of bytes written, or -1 if invalid, or -2 if n too small.
75 */
76 int (*xxx_reset) (conv_t conv, unsigned char *r, int n);
77 /*
78 * int xxx_reset (conv_t conv, unsigned char *r, int n)
79 * stores a shift sequences returning to the initial state beginning at r.
80 * Up to n bytes may be written at r. n is >= 0.
81 * Result is number of bytes written, or -2 if n too small.
82 */
83 };
84  
85 /* Return code if invalid. (xxx_wctomb) */
86 #define RET_ILUNI -1
87 /* Return code if output buffer is too small. (xxx_wctomb, xxx_reset) */
88 #define RET_TOOSMALL -2
89  
90 /*
91 * Contents of a conversion descriptor.
92 */
93 struct conv_struct {
94 struct loop_funcs lfuncs;
95 /* Input (conversion multibyte -> unicode) */
96 int iindex;
97 struct mbtowc_funcs ifuncs;
98 state_t istate;
99 /* Output (conversion unicode -> multibyte) */
100 int oindex;
101 struct wctomb_funcs ofuncs;
102 int oflags;
103 state_t ostate;
104 /* Operation flags */
105 int transliterate;
106 int discard_ilseq;
107 #ifndef LIBICONV_PLUG
108 struct iconv_fallbacks fallbacks;
109 struct iconv_hooks hooks;
110 #endif
111 };
112  
113 /*
114 * Include all the converters.
115 */
116  
117 #include "ascii.h"
118  
119 /* General multi-byte encodings */
120 #include "utf8.h"
121 #include "ucs2.h"
122 #include "ucs2be.h"
123 #include "ucs2le.h"
124 #include "ucs4.h"
125 #include "ucs4be.h"
126 #include "ucs4le.h"
127 #include "utf16.h"
128 #include "utf16be.h"
129 #include "utf16le.h"
130 #include "utf32.h"
131 #include "utf32be.h"
132 #include "utf32le.h"
133 #include "utf7.h"
134 #include "ucs2internal.h"
135 #include "ucs2swapped.h"
136 #include "ucs4internal.h"
137 #include "ucs4swapped.h"
138 #include "c99.h"
139 #include "java.h"
140  
141 /* 8-bit encodings */
142 #include "iso8859_1.h"
143 #include "iso8859_2.h"
144 #include "iso8859_3.h"
145 #include "iso8859_4.h"
146 #include "iso8859_5.h"
147 #include "iso8859_6.h"
148 #include "iso8859_7.h"
149 #include "iso8859_8.h"
150 #include "iso8859_9.h"
151 #include "iso8859_10.h"
152 #include "iso8859_11.h"
153 #include "iso8859_13.h"
154 #include "iso8859_14.h"
155 #include "iso8859_15.h"
156 #include "iso8859_16.h"
157 #include "koi8_r.h"
158 #include "koi8_u.h"
159 #include "koi8_ru.h"
160 #include "cp1250.h"
161 #include "cp1251.h"
162 #include "cp1252.h"
163 #include "cp1253.h"
164 #include "cp1254.h"
165 #include "cp1255.h"
166 #include "cp1256.h"
167 #include "cp1257.h"
168 #include "cp1258.h"
169 #include "cp850.h"
170 #include "cp862.h"
171 #include "cp866.h"
172 #include "cp1131.h"
173 #include "mac_roman.h"
174 #include "mac_centraleurope.h"
175 #include "mac_iceland.h"
176 #include "mac_croatian.h"
177 #include "mac_romania.h"
178 #include "mac_cyrillic.h"
179 #include "mac_ukraine.h"
180 #include "mac_greek.h"
181 #include "mac_turkish.h"
182 #include "mac_hebrew.h"
183 #include "mac_arabic.h"
184 #include "mac_thai.h"
185 #include "hp_roman8.h"
186 #include "nextstep.h"
187 #include "armscii_8.h"
188 #include "georgian_academy.h"
189 #include "georgian_ps.h"
190 #include "koi8_t.h"
191 #include "pt154.h"
192 #include "rk1048.h"
193 #include "mulelao.h"
194 #include "cp1133.h"
195 #include "tis620.h"
196 #include "cp874.h"
197 #include "viscii.h"
198 #include "tcvn.h"
199  
200 /* CJK character sets [CCS = coded character set] [CJKV.INF chapter 3] */
201  
202 typedef struct {
203 unsigned short indx; /* index into big table */
204 unsigned short used; /* bitmask of used entries */
205 } Summary16;
206  
207 #include "iso646_jp.h"
208 #include "jisx0201.h"
209 #include "jisx0208.h"
210 #include "jisx0212.h"
211  
212 #include "iso646_cn.h"
213 #include "gb2312.h"
214 #include "isoir165.h"
215 /*#include "gb12345.h"*/
216 #include "gbk.h"
217 #include "cns11643.h"
218 #include "big5.h"
219  
220 #include "ksc5601.h"
221 #include "johab_hangul.h"
222  
223 /* CJK encodings [CES = character encoding scheme] [CJKV.INF chapter 4] */
224  
225 #include "euc_jp.h"
226 #include "sjis.h"
227 #include "cp932.h"
228 #include "iso2022_jp.h"
229 #include "iso2022_jp1.h"
230 #include "iso2022_jp2.h"
231  
232 #include "euc_cn.h"
233 #include "ces_gbk.h"
234 #include "cp936.h"
235 #include "gb18030.h"
236 #include "iso2022_cn.h"
237 #include "iso2022_cnext.h"
238 #include "hz.h"
239 #include "euc_tw.h"
240 #include "ces_big5.h"
241 #include "cp950.h"
242 #include "big5hkscs1999.h"
243 #include "big5hkscs2001.h"
244 #include "big5hkscs2004.h"
245 #include "big5hkscs2008.h"
246  
247 #include "euc_kr.h"
248 #include "cp949.h"
249 #include "johab.h"
250 #include "iso2022_kr.h"
251  
252 /* Encodings used by system dependent locales. */
253  
254 #ifdef USE_AIX
255 #include "cp856.h"
256 #include "cp922.h"
257 #include "cp943.h"
258 #include "cp1046.h"
259 #include "cp1124.h"
260 #include "cp1129.h"
261 #include "cp1161.h"
262 #include "cp1162.h"
263 #include "cp1163.h"
264 #endif
265  
266 #ifdef USE_OSF1
267 #include "dec_kanji.h"
268 #include "dec_hanyu.h"
269 #endif
270  
271 #ifdef USE_DOS
272 #include "cp437.h"
273 #include "cp737.h"
274 #include "cp775.h"
275 #include "cp852.h"
276 #include "cp853.h"
277 #include "cp855.h"
278 #include "cp857.h"
279 #include "cp858.h"
280 #include "cp860.h"
281 #include "cp861.h"
282 #include "cp863.h"
283 #include "cp864.h"
284 #include "cp865.h"
285 #include "cp869.h"
286 #include "cp1125.h"
287 #endif
288  
289 #ifdef USE_EXTRA
290 #include "euc_jisx0213.h"
291 #include "shift_jisx0213.h"
292 #include "iso2022_jp3.h"
293 #include "big5_2003.h"
294 #include "tds565.h"
295 #include "atarist.h"
296 #include "riscos1.h"
297 #endif
298