?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
stronger typing for SwClient::GetRegisteredIn" and fix SwIterator cast
[LibreOffice.git] / sal / osl / unx / nlsupport.cxx
blob7ba961968ab75e6a9f8c3ec57a037d3eba693de6
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20 #include <sal/config.h>
21
22 #include <algorithm>
23 #include <cassert>
24 #include <cstring>
25
26 #include <osl/nlsupport.h>
27 #include <osl/diagnose.h>
28 #include <osl/process.h>
29
30 #include "nlsupport.hxx"
31
32 // these share a lot, so use one define
33 #if defined(LINUX) || defined(EMSCRIPTEN) || defined(__sun) || \
34 defined(FREEBSD) || defined(OPENBSD) || defined(DRAGONFLY) || defined(NETBSD)
35 #define LO_COMMON_NLS_ARCHS 1
36 #else
37 #define LO_COMMON_NLS_ARCHS 0
38 #endif
39
40 #if LO_COMMON_NLS_ARCHS
41 #include <locale.h>
42 #include <langinfo.h>
43 #elif defined(MACOSX) || defined(IOS)
44 #include <osl/module.h>
45 #include <osl/thread.h>
46 #include <rtl/ustring.hxx>
47 #include <sal/log.hxx>
48 #include "system.hxx"
49 #endif
50
51 namespace {
52
53 struct Pair {
54 const char *key;
55 const rtl_TextEncoding value;
56 };
57
58 }
59
60 /*****************************************************************************
61 compare function for binary search
62 *****************************************************************************/
63
64 static int
65 pair_compare (const char *key, const Pair *pair)
66 {
67 int result = rtl_str_compareIgnoreAsciiCase( key, pair->key );
68 return result;
69 }
70
71 /*****************************************************************************
72 binary search on encoding tables
73 *****************************************************************************/
74
75 static const Pair*
76 pair_search (const char *key, const Pair *base, unsigned int member )
77 {
78 unsigned int lower = 0;
79 unsigned int upper = member;
80
81 /* check for validity of input */
82 if ( (key == nullptr) || (base == nullptr) || (member == 0) )
83 return nullptr;
84
85 /* binary search */
86 while ( lower < upper )
87 {
88 const unsigned int current = (lower + upper) / 2;
89 const int comparison = pair_compare( key, base + current );
90 if (comparison < 0)
91 upper = current;
92 else if (comparison > 0)
93 lower = current + 1;
94 else
95 return base + current;
96 }
97
98 return nullptr;
99 }
100
101 /*****************************************************************************
102 convert rtl_Locale to locale string
103 *****************************************************************************/
104
105 static char * compose_locale( rtl_Locale * pLocale, char * buffer, size_t n )
106 {
107 /* check if a valid locale is specified */
108 if( pLocale && pLocale->Language &&
109 (pLocale->Language->length == 2 || pLocale->Language->length == 3) )
110 {
111 size_t offset = 0;
112
113 /* convert language code to ascii */
114 {
115 rtl_String *pLanguage = nullptr;
116
117 rtl_uString2String( &pLanguage,
118 pLocale->Language->buffer, pLocale->Language->length,
119 RTL_TEXTENCODING_ASCII_US, OUSTRING_TO_OSTRING_CVTFLAGS );
120
121 if( sal::static_int_cast<sal_uInt32>(pLanguage->length) < n )
122 {
123 strcpy( buffer, pLanguage->buffer );
124 offset = pLanguage->length;
125 }
126
127 rtl_string_release( pLanguage );
128 }
129
130 /* convert country code to ascii */
131 if( pLocale->Country && (pLocale->Country->length == 2) )
132 {
133 rtl_String *pCountry = nullptr;
134
135 rtl_uString2String( &pCountry,
136 pLocale->Country->buffer, pLocale->Country->length,
137 RTL_TEXTENCODING_ASCII_US, OUSTRING_TO_OSTRING_CVTFLAGS );
138
139 if( offset + pCountry->length + 1 < n )
140 {
141 strcpy( buffer + offset++, "_" );
142 strcpy( buffer + offset, pCountry->buffer );
143 offset += pCountry->length;
144 }
145
146 rtl_string_release( pCountry );
147 }
148
149 /* convert variant to ascii - check if there is enough space for the variant string */
150 if( pLocale->Variant && pLocale->Variant->length &&
151 ( sal::static_int_cast<sal_uInt32>(pLocale->Variant->length) < n - 6 ) )
152 {
153 rtl_String *pVariant = nullptr;
154
155 rtl_uString2String( &pVariant,
156 pLocale->Variant->buffer, pLocale->Variant->length,
157 RTL_TEXTENCODING_ASCII_US, OUSTRING_TO_OSTRING_CVTFLAGS );
158
159 if( offset + pVariant->length + 1 < n )
160 {
161 strcpy( buffer + offset, pVariant->buffer );
162 }
163
164 rtl_string_release( pVariant );
165 }
166
167 return buffer;
168 }
169
170 return nullptr;
171 }
172
173 /*****************************************************************************
174 convert locale string to rtl_Locale
175 *****************************************************************************/
176
177 static rtl_Locale * parse_locale( const char * locale )
178 {
179 assert(locale != nullptr);
180
181 if (*locale == '\0' || std::strcmp(locale, "C") == 0
182 || std::strcmp(locale, "POSIX") == 0)
183 {
184 return rtl_locale_register(u"C", u"", u"");
185 }
186
187 size_t len = strlen( locale );
188
189 rtl_uString * pLanguage = nullptr;
190 rtl_uString * pCountry = nullptr;
191 rtl_uString * pVariant = nullptr;
192
193 size_t offset = std::min<size_t>(len, 2);
194
195 rtl_Locale * ret;
196
197 /* language is a two or three letter code */
198 if( (len > 3 && locale[3] == '_') || (len == 3 && locale[2] != '_') )
199 offset = 3;
200
201 /* convert language code to unicode */
202 rtl_string2UString( &pLanguage, locale, offset, RTL_TEXTENCODING_ASCII_US, OSTRING_TO_OUSTRING_CVTFLAGS );
203 OSL_ASSERT(pLanguage != nullptr);
204
205 /* convert country code to unicode */
206 if( len >= offset+3 && locale[offset] == '_' )
207 {
208 rtl_string2UString( &pCountry, locale + offset + 1, 2, RTL_TEXTENCODING_ASCII_US, OSTRING_TO_OUSTRING_CVTFLAGS );
209 OSL_ASSERT(pCountry != nullptr);
210 offset += 3;
211 }
212
213 /* convert variant code to unicode - do not rely on "." as delimiter */
214 if( len > offset ) {
215 rtl_string2UString( &pVariant, locale + offset, len - offset, RTL_TEXTENCODING_ASCII_US, OSTRING_TO_OUSTRING_CVTFLAGS );
216 OSL_ASSERT(pVariant != nullptr);
217 }
218
219 ret = rtl_locale_register( pLanguage->buffer, pCountry ? pCountry->buffer : u"", pVariant ? pVariant->buffer : u"" );
220
221 if (pVariant) rtl_uString_release(pVariant);
222 if (pCountry) rtl_uString_release(pCountry);
223 if (pLanguage) rtl_uString_release(pLanguage);
224
225 return ret;
226 }
227
228 #if LO_COMMON_NLS_ARCHS
229
230 /*
231 * This implementation of osl_getTextEncodingFromLocale maps
232 * from nl_langinfo_l(CODESET) to rtl_textencoding defines.
233 * nl_langinfo() is supported only on Linux, Solaris,
234 * >= NetBSD 1.6 and >= FreeBSD 4.4
235 *
236 * _nl_language_list[] is an array list of supported encodings. Because
237 * we are using a binary search, the list has to be in ascending order.
238 * We are comparing the encodings case insensitive, so the list has
239 * to be completely upper or lowercase.
240 */
241
242 #if defined(__sun)
243
244 /* The values in the below list can be obtained with a script like
245 * #!/bin/sh
246 * for i in `locale -a`; do
247 * LC_ALL=$i locale -k code_set_name
248 * done
249 */
250 static const Pair nl_language_list[] = {
251 { "5601", RTL_TEXTENCODING_EUC_KR }, /* ko_KR.EUC */
252 { "646", RTL_TEXTENCODING_ISO_8859_1 }, /* fake: ASCII_US */
253 { "ANSI-1251", RTL_TEXTENCODING_MS_1251 }, /* ru_RU.ANSI1251 */
254 { "BIG5", RTL_TEXTENCODING_BIG5 }, /* zh_CN.BIG5 */
255 { "BIG5-HKSCS", RTL_TEXTENCODING_BIG5_HKSCS }, /* zh_CN.BIG5HK */
256 { "CNS11643", RTL_TEXTENCODING_EUC_TW }, /* zh_TW.EUC */
257 { "EUCJP", RTL_TEXTENCODING_EUC_JP }, /* ja_JP.eucjp */
258 { "GB18030", RTL_TEXTENCODING_GB_18030 }, /* zh_CN.GB18030 */
259 { "GB2312", RTL_TEXTENCODING_GB_2312 }, /* zh_CN */
260 { "GBK", RTL_TEXTENCODING_GBK }, /* zh_CN.GBK */
261 { "ISO8859-1", RTL_TEXTENCODING_ISO_8859_1 },
262 { "ISO8859-10", RTL_TEXTENCODING_ISO_8859_10 },
263 { "ISO8859-13", RTL_TEXTENCODING_ISO_8859_13 }, /* lt_LT lv_LV */
264 { "ISO8859-14", RTL_TEXTENCODING_ISO_8859_14 },
265 { "ISO8859-15", RTL_TEXTENCODING_ISO_8859_15 },
266 { "ISO8859-2", RTL_TEXTENCODING_ISO_8859_2 },
267 { "ISO8859-3", RTL_TEXTENCODING_ISO_8859_3 },
268 { "ISO8859-4", RTL_TEXTENCODING_ISO_8859_4 },
269 { "ISO8859-5", RTL_TEXTENCODING_ISO_8859_5 },
270 { "ISO8859-6", RTL_TEXTENCODING_ISO_8859_6 },
271 { "ISO8859-7", RTL_TEXTENCODING_ISO_8859_7 },
272 { "ISO8859-8", RTL_TEXTENCODING_ISO_8859_8 },
273 { "ISO8859-9", RTL_TEXTENCODING_ISO_8859_9 },
274 { "KOI8-R", RTL_TEXTENCODING_KOI8_R },
275 { "KOI8-U", RTL_TEXTENCODING_KOI8_U },
276 { "PCK", RTL_TEXTENCODING_MS_932 },
277 { "SUN_EU_GREEK", RTL_TEXTENCODING_ISO_8859_7 }, /* 8859-7 + Euro */
278 { "TIS620.2533", RTL_TEXTENCODING_MS_874 }, /* th_TH.TIS620 */
279 { "UTF-8", RTL_TEXTENCODING_UTF8 }
280 };
281
282 /* XXX MS-874 is an extension to tis620, so this is not
283 * really equivalent */
284
285 #elif defined(LINUX) || defined(EMSCRIPTEN)
286
287 #if !defined(CODESET)
288 #define CODESET _NL_CTYPE_CODESET_NAME
289 #endif
290
291 const Pair nl_language_list[] = {
292 { "ANSI_X3.110-1983", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-99 NAPLPS */
293 { "ANSI_X3.4-1968", RTL_TEXTENCODING_ISO_8859_1 }, /* fake: ASCII_US */
294 { "ASMO_449", RTL_TEXTENCODING_DONTKNOW }, /* ISO_9036 ARABIC7 */
295 { "BALTIC", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-179 */
296 { "BIG5", RTL_TEXTENCODING_BIG5 }, /* locale: zh_TW */
297 { "BIG5-HKSCS", RTL_TEXTENCODING_BIG5_HKSCS }, /* locale: zh_CN.BIG5HK */
298 { "BIG5HKSCS", RTL_TEXTENCODING_BIG5_HKSCS }, /* deprecated */
299 { "BS_4730", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-4 ISO646-GB */
300 { "BS_VIEWDATA", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-47 */
301 { "CP1250", RTL_TEXTENCODING_MS_1250 }, /* MS-EE */
302 { "CP1251", RTL_TEXTENCODING_MS_1251 }, /* MS-CYRL */
303 { "CP1252", RTL_TEXTENCODING_MS_1252 }, /* MS-ANSI */
304 { "CP1253", RTL_TEXTENCODING_MS_1253 }, /* MS-GREEK */
305 { "CP1254", RTL_TEXTENCODING_MS_1254 }, /* MS-TURK */
306 { "CP1255", RTL_TEXTENCODING_MS_1255 }, /* MS-HEBR */
307 { "CP1256", RTL_TEXTENCODING_MS_1256 }, /* MS-ARAB */
308 { "CP1257", RTL_TEXTENCODING_MS_1257 }, /* WINBALTRIM */
309 { "CSA_Z243.4-1985-1", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-121 */
310 { "CSA_Z243.4-1985-2", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-122 CSA7-2 */
311 { "CSA_Z243.4-1985-GR", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-123 */
312 { "CSN_369103", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-139 */
313 { "CWI", RTL_TEXTENCODING_DONTKNOW }, /* CWI-2 CP-HU */
314 { "DEC-MCS", RTL_TEXTENCODING_DONTKNOW }, /* DEC */
315 { "DIN_66003", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-21 */
316 { "DS_2089", RTL_TEXTENCODING_DONTKNOW }, /* DS2089 ISO646-DK */
317 { "EBCDIC-AT-DE", RTL_TEXTENCODING_DONTKNOW },
318 { "EBCDIC-AT-DE-A", RTL_TEXTENCODING_DONTKNOW },
319 { "EBCDIC-CA-FR", RTL_TEXTENCODING_DONTKNOW },
320 { "EBCDIC-DK-NO", RTL_TEXTENCODING_DONTKNOW },
321 { "EBCDIC-DK-NO-A", RTL_TEXTENCODING_DONTKNOW },
322 { "EBCDIC-ES", RTL_TEXTENCODING_DONTKNOW },
323 { "EBCDIC-ES-A", RTL_TEXTENCODING_DONTKNOW },
324 { "EBCDIC-ES-S", RTL_TEXTENCODING_DONTKNOW },
325 { "EBCDIC-FI-SE", RTL_TEXTENCODING_DONTKNOW },
326 { "EBCDIC-FI-SE-A", RTL_TEXTENCODING_DONTKNOW },
327 { "EBCDIC-FR", RTL_TEXTENCODING_DONTKNOW },
328 { "EBCDIC-IS-FRISS", RTL_TEXTENCODING_DONTKNOW }, /* FRISS */
329 { "EBCDIC-IT", RTL_TEXTENCODING_DONTKNOW },
330 { "EBCDIC-PT", RTL_TEXTENCODING_DONTKNOW },
331 { "EBCDIC-UK", RTL_TEXTENCODING_DONTKNOW },
332 { "EBCDIC-US", RTL_TEXTENCODING_DONTKNOW },
333 { "ECMA-CYRILLIC", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-111 */
334 { "ES", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-17 */
335 { "ES2", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-85 */
336 { "EUC-JP", RTL_TEXTENCODING_EUC_JP }, /* locale: ja_JP.eucjp */
337 { "EUC-KR", RTL_TEXTENCODING_EUC_KR }, /* locale: ko_KR.euckr */
338 { "EUC-TW", RTL_TEXTENCODING_EUC_TW }, /* locale: zh_TW.euctw */
339 { "GB18030", RTL_TEXTENCODING_GB_18030 }, /* locale: zh_CN.gb18030 */
340 { "GB2312", RTL_TEXTENCODING_GB_2312 }, /* locale: zh_CN */
341 { "GB_1988-80", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-57 */
342 { "GBK", RTL_TEXTENCODING_GBK }, /* locale: zh_CN.GBK */
343 { "GOST_19768-74", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-153 */
344 { "GREEK-CCITT", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-150 */
345 { "GREEK7", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-88 */
346 { "GREEK7-OLD", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-18 */
347 { "HP-ROMAN8", RTL_TEXTENCODING_DONTKNOW }, /* ROMAN8 R8 */
348 { "IBM037", RTL_TEXTENCODING_DONTKNOW }, /* EBCDIC-[US|CA|WT] */
349 { "IBM038", RTL_TEXTENCODING_DONTKNOW }, /* EBCDIC-INT CP038 */
350 { "IBM1004", RTL_TEXTENCODING_DONTKNOW }, /* CP1004 OS2LATIN1 */
351 { "IBM1026", RTL_TEXTENCODING_DONTKNOW }, /* CP1026 1026 */
352 { "IBM1047", RTL_TEXTENCODING_DONTKNOW }, /* CP1047 1047 */
353 { "IBM256", RTL_TEXTENCODING_DONTKNOW }, /* EBCDIC-INT1 */
354 { "IBM273", RTL_TEXTENCODING_DONTKNOW }, /* CP273 */
355 { "IBM274", RTL_TEXTENCODING_DONTKNOW }, /* EBCDIC-BE CP274 */
356 { "IBM275", RTL_TEXTENCODING_DONTKNOW }, /* EBCDIC-BR CP275 */
357 { "IBM277", RTL_TEXTENCODING_DONTKNOW }, /* EBCDIC-CP-[DK|NO] */
358 { "IBM278", RTL_TEXTENCODING_DONTKNOW }, /* EBCDIC-CP-[FISE]*/
359 { "IBM280", RTL_TEXTENCODING_DONTKNOW }, /* CP280 EBCDIC-CP-IT*/
360 { "IBM281", RTL_TEXTENCODING_DONTKNOW }, /* EBCDIC-JP-E CP281 */
361 { "IBM284", RTL_TEXTENCODING_DONTKNOW }, /* CP284 EBCDIC-CP-ES */
362 { "IBM285", RTL_TEXTENCODING_DONTKNOW }, /* CP285 EBCDIC-CP-GB */
363 { "IBM290", RTL_TEXTENCODING_DONTKNOW }, /* EBCDIC-JP-KANA */
364 { "IBM297", RTL_TEXTENCODING_DONTKNOW }, /* EBCDIC-CP-FR */
365 { "IBM420", RTL_TEXTENCODING_DONTKNOW }, /* EBCDIC-CP-AR1 */
366 { "IBM423", RTL_TEXTENCODING_DONTKNOW }, /* CP423 EBCDIC-CP-GR */
367 { "IBM424", RTL_TEXTENCODING_DONTKNOW }, /* CP424 EBCDIC-CP-HE */
368 { "IBM437", RTL_TEXTENCODING_IBM_437 }, /* CP437 437 */
369 { "IBM500", RTL_TEXTENCODING_DONTKNOW }, /* EBCDIC-CP-[BE|CH] */
370 { "IBM850", RTL_TEXTENCODING_IBM_850 }, /* CP850 850 */
371 { "IBM851", RTL_TEXTENCODING_DONTKNOW }, /* CP851 851 */
372 { "IBM852", RTL_TEXTENCODING_IBM_852 }, /* CP852 852 */
373 { "IBM855", RTL_TEXTENCODING_IBM_855 }, /* CP855 855 */
374 { "IBM857", RTL_TEXTENCODING_IBM_857 }, /* CP857 857 */
375 { "IBM860", RTL_TEXTENCODING_IBM_860 }, /* CP860 860 */
376 { "IBM861", RTL_TEXTENCODING_IBM_861 }, /* CP861 861 CP-IS */
377 { "IBM862", RTL_TEXTENCODING_IBM_862 }, /* CP862 862 */
378 { "IBM863", RTL_TEXTENCODING_IBM_863 }, /* CP863 863 */
379 { "IBM864", RTL_TEXTENCODING_IBM_864 }, /* CP864 */
380 { "IBM865", RTL_TEXTENCODING_IBM_865 }, /* CP865 865 */
381 { "IBM866", RTL_TEXTENCODING_IBM_866 }, /* CP866 866 */
382 { "IBM868", RTL_TEXTENCODING_DONTKNOW }, /* CP868 CP-AR */
383 { "IBM869", RTL_TEXTENCODING_IBM_869 }, /* CP869 869 CP-GR */
384 { "IBM870", RTL_TEXTENCODING_DONTKNOW }, /* EBCDIC-[ROECE|YU] */
385 { "IBM871", RTL_TEXTENCODING_DONTKNOW }, /* CP871 EBCDIC-CP-IS */
386 { "IBM875", RTL_TEXTENCODING_DONTKNOW }, /* CP875 EBCDIC-GREEK */
387 { "IBM880", RTL_TEXTENCODING_DONTKNOW }, /* EBCDIC-CYRILLIC */
388 { "IBM891", RTL_TEXTENCODING_DONTKNOW }, /* CP891 */
389 { "IBM903", RTL_TEXTENCODING_DONTKNOW }, /* CP903 */
390 { "IBM904", RTL_TEXTENCODING_DONTKNOW }, /* CP904 904 */
391 { "IBM905", RTL_TEXTENCODING_DONTKNOW }, /* CP905 EBCDIC-CP-TR */
392 { "IBM918", RTL_TEXTENCODING_DONTKNOW }, /* CP918 EBCDIC-AR2 */
393 { "IEC_P27-1", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-143 */
394 { "INIS", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-49 */
395 { "INIS-8", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-50 */
396 { "INIS-CYRILLIC", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-51 */
397 { "INVARIANT", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-170 */
398 { "ISO-8859-1", RTL_TEXTENCODING_ISO_8859_1 }, /* ISO-IR-100 CP819 */
399 { "ISO-8859-10", RTL_TEXTENCODING_ISO_8859_10 }, /* ISO-IR-157 LATIN6 */
400 { "ISO-8859-13", RTL_TEXTENCODING_ISO_8859_13 }, /* ISO-IR-179 LATIN7 */
401 { "ISO-8859-14", RTL_TEXTENCODING_ISO_8859_14 }, /* LATIN8 L8 */
402 { "ISO-8859-15", RTL_TEXTENCODING_ISO_8859_15 },
403 { "ISO-8859-2", RTL_TEXTENCODING_ISO_8859_2 }, /* LATIN2 L2 */
404 { "ISO-8859-3", RTL_TEXTENCODING_ISO_8859_3 }, /* LATIN3 L3 */
405 { "ISO-8859-4", RTL_TEXTENCODING_ISO_8859_4 }, /* LATIN4 L4 */
406 { "ISO-8859-5", RTL_TEXTENCODING_ISO_8859_5 }, /* CYRILLIC */
407 { "ISO-8859-6", RTL_TEXTENCODING_ISO_8859_6 }, /* ECMA-114 ARABIC */
408 { "ISO-8859-7", RTL_TEXTENCODING_ISO_8859_7 }, /* ECMA-118 GREEK8 */
409 { "ISO-8859-8", RTL_TEXTENCODING_ISO_8859_8 }, /* ISO_8859-8 HEBREW */
410 { "ISO-8859-9", RTL_TEXTENCODING_ISO_8859_9 }, /* ISO_8859-9 LATIN5 */
411 { "ISO-IR-90", RTL_TEXTENCODING_DONTKNOW }, /* ISO_6937-2:1983 */
412 { "ISO_10367-BOX", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-155 */
413 { "ISO_2033-1983", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-98 E13B */
414 { "ISO_5427", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-37 KOI-7 */
415 { "ISO_5427-EXT", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-54 */
416 { "ISO_5428", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-55 */
417 { "ISO_646.BASIC", RTL_TEXTENCODING_ASCII_US }, /* REF */
418 { "ISO_646.IRV", RTL_TEXTENCODING_ASCII_US }, /* ISO-IR-2 IRV */
419 { "ISO_646.IRV:1983", RTL_TEXTENCODING_ISO_8859_1 }, /* fake: ASCII_US, used for "C" locale*/
420 { "ISO_6937", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-156 ISO6937*/
421 { "ISO_6937-2-25", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-152 */
422 { "ISO_6937-2-ADD", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-142 */
423 { "ISO_8859-SUPP", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-154 */
424 { "IT", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-15 */
425 { "JIS_C6220-1969-JP", RTL_TEXTENCODING_DONTKNOW }, /* KATAKANA X0201-7 */
426 { "JIS_C6220-1969-RO", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-14 */
427 { "JIS_C6229-1984-A", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-91 */
428 { "JIS_C6229-1984-B", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-92 */
429 { "JIS_C6229-1984-B-ADD", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-93 */
430 { "JIS_C6229-1984-HAND", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-94 */
431 { "JIS_C6229-1984-HAND-ADD", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-95 */
432 { "JIS_C6229-1984-KANA", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-96 */
433 { "JIS_X0201", RTL_TEXTENCODING_DONTKNOW }, /* X0201 */
434 { "JUS_I.B1.002", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-141 */
435 { "JUS_I.B1.003-MAC", RTL_TEXTENCODING_DONTKNOW }, /* MACEDONIAN */
436 { "JUS_I.B1.003-SERB", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-146 SERBIAN */
437 { "KOI-8", RTL_TEXTENCODING_DONTKNOW },
438 { "KOI8-R", RTL_TEXTENCODING_KOI8_R },
439 { "KOI8-U", RTL_TEXTENCODING_KOI8_U },
440 { "KSC5636", RTL_TEXTENCODING_DONTKNOW }, /* ISO646-KR */
441 { "LATIN-GREEK", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-19 */
442 { "LATIN-GREEK-1", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-27 */
443 { "MAC-IS", RTL_TEXTENCODING_APPLE_ROMAN },
444 { "MAC-UK", RTL_TEXTENCODING_APPLE_ROMAN },
445 { "MACINTOSH", RTL_TEXTENCODING_APPLE_ROMAN }, /* MAC */
446 { "MSZ_7795.3", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-86 */
447 { "NATS-DANO", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-9-1 */
448 { "NATS-DANO-ADD", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-9-2 */
449 { "NATS-SEFI", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-8-1 */
450 { "NATS-SEFI-ADD", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-8-2 */
451 { "NC_NC00-10", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-151 */
452 { "NEXTSTEP", RTL_TEXTENCODING_DONTKNOW }, /* NEXT */
453 { "NF_Z_62-010", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-69 */
454 { "NF_Z_62-010_(1973)", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-25 */
455 { "NS_4551-1", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-60 */
456 { "NS_4551-2", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-61 */
457 { "PT", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-16 */
458 { "PT2", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-84 */
459 { "SAMI", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-158 */
460 { "SEN_850200_B", RTL_TEXTENCODING_DONTKNOW }, /* ISO646-[FI|SE] */
461 { "SEN_850200_C", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-11 */
462 { "T.101-G2", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-128 */
463 { "T.61-7BIT", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-102 */
464 { "T.61-8BIT", RTL_TEXTENCODING_DONTKNOW }, /* T.61 ISO-IR-103 */
465 { "TIS-620", RTL_TEXTENCODING_MS_874 }, /* locale: th_TH */
466 { "UTF-8", RTL_TEXTENCODING_UTF8 }, /* ISO-10646/UTF-8 */
467 { "VIDEOTEX-SUPPL", RTL_TEXTENCODING_DONTKNOW }, /* ISO-IR-70 */
468 { "WIN-SAMI-2", RTL_TEXTENCODING_DONTKNOW } /* WS2 */
469 };
470
471 #elif defined(FREEBSD) || defined(DRAGONFLY)
472
473 static const Pair nl_language_list[] = {
474 { "ASCII", RTL_TEXTENCODING_ASCII_US }, /* US-ASCII */
475 { "BIG5", RTL_TEXTENCODING_BIG5 }, /* China - Traditional Chinese */
476 { "CP1251", RTL_TEXTENCODING_MS_1251 }, /* MS-CYRL */
477 { "CP866", RTL_TEXTENCODING_IBM_866 }, /* CP866 866 */
478 { "EUCCN", RTL_TEXTENCODING_EUC_CN }, /* China - Simplified Chinese */
479 { "EUCJP", RTL_TEXTENCODING_EUC_JP }, /* Japan */
480 { "EUCKR", RTL_TEXTENCODING_EUC_KR }, /* Korea */
481 { "ISO8859-1", RTL_TEXTENCODING_ISO_8859_1 }, /* Western */
482 { "ISO8859-15", RTL_TEXTENCODING_ISO_8859_15 }, /* Western Updated (w/Euro sign) */
483 { "ISO8859-2", RTL_TEXTENCODING_ISO_8859_2 }, /* Central European */
484 { "ISO8859-4", RTL_TEXTENCODING_ISO_8859_4 }, /* LATIN4 L4 */
485 { "ISO8859-5", RTL_TEXTENCODING_ISO_8859_5 }, /* Cyrillic */
486 { "ISO8859-7", RTL_TEXTENCODING_ISO_8859_7 }, /* Greek */
487 { "ISO8859-9", RTL_TEXTENCODING_ISO_8859_9 }, /* Turkish */
488 { "KOI8-R", RTL_TEXTENCODING_KOI8_R }, /* KOI8-R */
489 { "KOI8-U", RTL_TEXTENCODING_KOI8_U }, /* KOI8-U */
490 { "SJIS", RTL_TEXTENCODING_SHIFT_JIS }, /* Japan */
491 { "US-ASCII", RTL_TEXTENCODING_ASCII_US }, /* US-ASCII */
492 { "UTF-8", RTL_TEXTENCODING_UTF8 } /* ISO-10646/UTF-8 */
493 };
494
495 #elif defined(NETBSD)
496
497 static const Pair nl_language_list[] = {
498 { "ASCII", RTL_TEXTENCODING_ASCII_US }, /* US-ASCII */
499 { "BIG5", RTL_TEXTENCODING_BIG5 }, /* China - Traditional Chinese */
500 { "Big5", RTL_TEXTENCODING_BIG5 }, /* China - Traditional Chinese */
501 { "Big5-HKSCS", RTL_TEXTENCODING_BIG5_HKSCS }, /* locale: zh_CN.BIG5HK */
502 { "Big5HKSCS", RTL_TEXTENCODING_BIG5_HKSCS }, /* deprecated */
503 { "CP1251", RTL_TEXTENCODING_MS_1251 }, /* MS-CYRL */
504 { "CP866", RTL_TEXTENCODING_IBM_866 }, /* CP866 866 */
505 { "CTEXT", RTL_TEXTENCODING_ASCII_US }, /* US-ASCII */
506 { "eucCN", RTL_TEXTENCODING_EUC_CN }, /* China - Simplified Chinese */
507 { "eucJP", RTL_TEXTENCODING_EUC_JP }, /* Japan */
508 { "eucKR", RTL_TEXTENCODING_EUC_KR }, /* Korea */
509 { "eucTW", RTL_TEXTENCODING_EUC_TW }, /* China - Traditional Chinese */
510 { "GB18030", RTL_TEXTENCODING_GB_18030 }, /* locale: zh_CN.gb18030 */
511 { "GB2312", RTL_TEXTENCODING_GB_2312 }, /* locale: zh_CN */
512 { "ISO-2022-JP", RTL_TEXTENCODING_DONTKNOW }, /* */
513 { "ISO-2022-JP-2", RTL_TEXTENCODING_DONTKNOW }, /* */
514 { "ISO8859-1", RTL_TEXTENCODING_ISO_8859_1 }, /* Western */
515 { "ISO8859-13", RTL_TEXTENCODING_ISO_8859_13 }, /* ISO-IR-179 LATIN7 */
516 { "ISO8859-15", RTL_TEXTENCODING_ISO_8859_15 }, /* Western Updated (w/Euro sign) */
517 { "ISO8859-2", RTL_TEXTENCODING_ISO_8859_2 }, /* Central European */
518 { "ISO8859-4", RTL_TEXTENCODING_ISO_8859_4 }, /* LATIN4 L4 */
519 { "ISO8859-5", RTL_TEXTENCODING_ISO_8859_5 }, /* Cyrillic */
520 { "ISO8859-7", RTL_TEXTENCODING_ISO_8859_7 }, /* Greek */
521 { "ISO8859-9", RTL_TEXTENCODING_ISO_8859_9 }, /* Turkish */
522 { "KOI8-R", RTL_TEXTENCODING_KOI8_R }, /* KOI8-R */
523 { "KOI8-U", RTL_TEXTENCODING_KOI8_U }, /* KOI8-U */
524 { "PT154", RTL_TEXTENCODING_PT154 }, /* */
525 { "SJIS", RTL_TEXTENCODING_SHIFT_JIS }, /* Japan */
526 { "US-ASCII", RTL_TEXTENCODING_ASCII_US }, /* US-ASCII */
527 { "UTF-8", RTL_TEXTENCODING_UTF8 } /* ISO-10646/UTF-8 */
528 };
529
530 #elif defined(OPENBSD)
531
532 static const Pair nl_language_list[] = {
533 { "ASCII", RTL_TEXTENCODING_ASCII_US }, /* US-ASCII */
534 { "BIG5", RTL_TEXTENCODING_BIG5 }, /* China - Traditional Chinese */
535 { "CP1251", RTL_TEXTENCODING_MS_1251 }, /* MS-CYRL */
536 { "CP866", RTL_TEXTENCODING_IBM_866 }, /* CP866 866 */
537 { "EUCCN", RTL_TEXTENCODING_EUC_CN }, /* China - Simplified Chinese */
538 { "EUCJP", RTL_TEXTENCODING_EUC_JP }, /* Japan */
539 { "EUCKR", RTL_TEXTENCODING_EUC_KR }, /* Korea */
540 { "ISO8859-1", RTL_TEXTENCODING_ISO_8859_1 }, /* Western */
541 { "ISO8859-15", RTL_TEXTENCODING_ISO_8859_15 }, /* Western Updated (w/Euro sign) */
542 { "ISO8859-2", RTL_TEXTENCODING_ISO_8859_2 }, /* Central European */
543 { "ISO8859-4", RTL_TEXTENCODING_ISO_8859_4 }, /* LATIN4 L4 */
544 { "ISO8859-5", RTL_TEXTENCODING_ISO_8859_5 }, /* Cyrillic */
545 { "ISO8859-7", RTL_TEXTENCODING_ISO_8859_7 }, /* Greek */
546 { "ISO8859-9", RTL_TEXTENCODING_ISO_8859_9 }, /* Turkish */
547 { "KOI8-R", RTL_TEXTENCODING_KOI8_R }, /* KOI8-R */
548 { "KOI8-U", RTL_TEXTENCODING_KOI8_U }, /* KOI8-U */
549 { "SJIS", RTL_TEXTENCODING_SHIFT_JIS }, /* Japan */
550 { "US-ASCII", RTL_TEXTENCODING_ASCII_US }, /* US-ASCII */
551 { "UTF-8", RTL_TEXTENCODING_UTF8 } /* ISO-10646/UTF-8 */
552 };
553
554 #else
555 #error Unhandled individual LO_COMMON_NLS_ARCHS
556 #endif // individual common NLS archs
557
558 /*****************************************************************************
559 return the text encoding corresponding to the given locale
560 *****************************************************************************/
561
562 rtl_TextEncoding osl_getTextEncodingFromLocale( rtl_Locale * pLocale )
563 {
564 const Pair *language=nullptr;
565
566 char locale_buf[64] = "";
567 char codeset_buf[64];
568
569 char *codeset = nullptr;
570
571 /* default to process locale if pLocale == NULL */
572 if( pLocale == nullptr )
573 osl_getProcessLocale( &pLocale );
574
575 /* convert rtl_Locale to locale string */
576 compose_locale( pLocale, locale_buf, 64 );
577
578 locale_t ctype_locale = newlocale(
579 LC_CTYPE_MASK, locale_buf, static_cast<locale_t>(0));
580 if (ctype_locale == static_cast<locale_t>(0))
581 {
582 return RTL_TEXTENCODING_DONTKNOW;
583 }
584
585 /* get the charset as indicated by the LC_CTYPE locale */
586 #if defined(NETBSD) && !defined(CODESET)
587 codeset = NULL;
588 #else
589 codeset = nl_langinfo_l(CODESET, ctype_locale);
590 // per SUSv4, the return value of nl_langinfo_l can be invalidated by a
591 // subsequent call to nl_langinfo (not nl_langinfo_l) in any thread, but
592 // we cannot guard against that (at least, no code in LO itself should
593 // call nl_langinfo)
594 #endif
595
596 if ( codeset != nullptr )
597 {
598 /* get codeset into mt save memory */
599 strncpy( codeset_buf, codeset, sizeof(codeset_buf) );
600 codeset_buf[sizeof(codeset_buf) - 1] = 0;
601 codeset = codeset_buf;
602 }
603
604 freelocale(ctype_locale);
605
606 /* search the codeset in our language list */
607 if ( codeset != nullptr )
608 {
609 language = pair_search (codeset, nl_language_list, SAL_N_ELEMENTS( nl_language_list ) );
610 }
611
612 OSL_ASSERT( language && ( RTL_TEXTENCODING_DONTKNOW != language->value ) );
613
614 /* a matching item in our list provides a mapping from codeset to
615 * rtl-codeset */
616 if ( language != nullptr )
617 return language->value;
618
619 return RTL_TEXTENCODING_DONTKNOW;
620 }
621
622 /*****************************************************************************
623 return the current process locale
624 *****************************************************************************/
625
626 void imp_getProcessLocale( rtl_Locale ** ppLocale )
627 {
628 char const * locale = getenv("LC_ALL");
629 if (locale == nullptr || *locale == '\0') {
630 locale = getenv("LC_CTYPE");
631 if (locale == nullptr || *locale == '\0') {
632 locale = getenv("LANG");
633 if (locale == nullptr || *locale == '\0') {
634 locale = "C";
635 }
636 }
637 }
638 // coverity[overrun-buffer-val : FALSE] - coverity gets this very wrong
639 *ppLocale = parse_locale(locale);
640 }
641
642 #else // !LO_COMMON_NLS_ARCHS
643
644 /*
645 * This implementation of osl_getTextEncodingFromLocale maps
646 * from the ISO language codes.
647 */
648
649 const Pair full_locale_list[] = {
650 { "ja_JP.eucJP", RTL_TEXTENCODING_EUC_JP },
651 { "ja_JP.EUC", RTL_TEXTENCODING_EUC_JP },
652 { "ko_KR.EUC", RTL_TEXTENCODING_EUC_KR },
653 { "zh_CN.EUC", RTL_TEXTENCODING_EUC_CN },
654 { "zh_TW.EUC", RTL_TEXTENCODING_EUC_TW }
655 };
656
657 const Pair locale_extension_list[] = {
658 { "big5", RTL_TEXTENCODING_BIG5 },
659 { "big5hk", RTL_TEXTENCODING_BIG5_HKSCS },
660 { "gb18030", RTL_TEXTENCODING_GB_18030 },
661 { "euc", RTL_TEXTENCODING_EUC_JP },
662 { "iso8859-1", RTL_TEXTENCODING_ISO_8859_1 },
663 { "iso8859-10", RTL_TEXTENCODING_ISO_8859_10 },
664 { "iso8859-13", RTL_TEXTENCODING_ISO_8859_13 },
665 { "iso8859-14", RTL_TEXTENCODING_ISO_8859_14 },
666 { "iso8859-15", RTL_TEXTENCODING_ISO_8859_15 },
667 { "iso8859-2", RTL_TEXTENCODING_ISO_8859_2 },
668 { "iso8859-3", RTL_TEXTENCODING_ISO_8859_3 },
669 { "iso8859-4", RTL_TEXTENCODING_ISO_8859_4 },
670 { "iso8859-5", RTL_TEXTENCODING_ISO_8859_5 },
671 { "iso8859-6", RTL_TEXTENCODING_ISO_8859_6 },
672 { "iso8859-7", RTL_TEXTENCODING_ISO_8859_7 },
673 { "iso8859-8", RTL_TEXTENCODING_ISO_8859_8 },
674 { "iso8859-9", RTL_TEXTENCODING_ISO_8859_9 },
675 { "koi8-r", RTL_TEXTENCODING_KOI8_R },
676 { "koi8-u", RTL_TEXTENCODING_KOI8_U },
677 { "pck", RTL_TEXTENCODING_MS_932 },
678 #if (0)
679 { "sun_eu_greek", RTL_TEXTENCODING_DONTKNOW },
680 #endif
681 { "utf-16", RTL_TEXTENCODING_UNICODE },
682 { "utf-7", RTL_TEXTENCODING_UTF7 },
683 { "utf-8", RTL_TEXTENCODING_UTF8 }
684 };
685
686 const Pair iso_language_list[] = {
687 { "af", RTL_TEXTENCODING_ISO_8859_1 },
688 { "ar", RTL_TEXTENCODING_ISO_8859_6 },
689 { "az", RTL_TEXTENCODING_ISO_8859_9 },
690 { "be", RTL_TEXTENCODING_ISO_8859_5 },
691 { "bg", RTL_TEXTENCODING_ISO_8859_5 },
692 { "ca", RTL_TEXTENCODING_ISO_8859_1 },
693 { "cs", RTL_TEXTENCODING_ISO_8859_2 },
694 { "da", RTL_TEXTENCODING_ISO_8859_1 },
695 { "de", RTL_TEXTENCODING_ISO_8859_1 },
696 { "el", RTL_TEXTENCODING_ISO_8859_7 },
697 { "en", RTL_TEXTENCODING_ISO_8859_1 },
698 { "es", RTL_TEXTENCODING_ISO_8859_1 },
699 { "et", RTL_TEXTENCODING_ISO_8859_4 },
700 { "eu", RTL_TEXTENCODING_ISO_8859_1 },
701 { "fa", RTL_TEXTENCODING_ISO_8859_6 },
702 { "fi", RTL_TEXTENCODING_ISO_8859_1 },
703 { "fo", RTL_TEXTENCODING_ISO_8859_1 },
704 { "fr", RTL_TEXTENCODING_ISO_8859_1 },
705 { "gr", RTL_TEXTENCODING_ISO_8859_7 },
706 { "he", RTL_TEXTENCODING_ISO_8859_8 },
707 { "hi", RTL_TEXTENCODING_DONTKNOW },
708 { "hr", RTL_TEXTENCODING_ISO_8859_2 },
709 { "hu", RTL_TEXTENCODING_ISO_8859_2 },
710 { "hy", RTL_TEXTENCODING_DONTKNOW },
711 { "id", RTL_TEXTENCODING_ISO_8859_1 },
712 { "is", RTL_TEXTENCODING_ISO_8859_1 },
713 { "it", RTL_TEXTENCODING_ISO_8859_1 },
714 { "iw", RTL_TEXTENCODING_ISO_8859_8 },
715 { "ja", RTL_TEXTENCODING_EUC_JP },
716 { "ka", RTL_TEXTENCODING_DONTKNOW },
717 { "kk", RTL_TEXTENCODING_ISO_8859_5 },
718 { "ko", RTL_TEXTENCODING_EUC_KR },
719 { "lt", RTL_TEXTENCODING_ISO_8859_4 },
720 { "lv", RTL_TEXTENCODING_ISO_8859_4 },
721 { "mk", RTL_TEXTENCODING_ISO_8859_5 },
722 { "mr", RTL_TEXTENCODING_DONTKNOW },
723 { "ms", RTL_TEXTENCODING_ISO_8859_1 },
724 { "nl", RTL_TEXTENCODING_ISO_8859_1 },
725 { "no", RTL_TEXTENCODING_ISO_8859_1 },
726 { "pl", RTL_TEXTENCODING_ISO_8859_2 },
727 { "pt", RTL_TEXTENCODING_ISO_8859_1 },
728 { "ro", RTL_TEXTENCODING_ISO_8859_2 },
729 { "ru", RTL_TEXTENCODING_ISO_8859_5 },
730 { "sa", RTL_TEXTENCODING_DONTKNOW },
731 { "sk", RTL_TEXTENCODING_ISO_8859_2 },
732 { "sl", RTL_TEXTENCODING_ISO_8859_2 },
733 { "sq", RTL_TEXTENCODING_ISO_8859_2 },
734 { "sv", RTL_TEXTENCODING_ISO_8859_1 },
735 { "sw", RTL_TEXTENCODING_ISO_8859_1 },
736 { "ta", RTL_TEXTENCODING_DONTKNOW },
737 { "th", RTL_TEXTENCODING_DONTKNOW },
738 { "tr", RTL_TEXTENCODING_ISO_8859_9 },
739 { "tt", RTL_TEXTENCODING_ISO_8859_5 },
740 { "uk", RTL_TEXTENCODING_ISO_8859_5 },
741 { "ur", RTL_TEXTENCODING_ISO_8859_6 },
742 { "uz", RTL_TEXTENCODING_ISO_8859_9 },
743 { "vi", RTL_TEXTENCODING_DONTKNOW },
744 { "zh", RTL_TEXTENCODING_BIG5 }
745 };
746
747 /*****************************************************************************
748 return the text encoding corresponding to the given locale
749 *****************************************************************************/
750
751 rtl_TextEncoding osl_getTextEncodingFromLocale( rtl_Locale * pLocale )
752 {
753 const Pair *language = nullptr;
754 char locale_buf[64] = "";
755
756 /* default to process locale if pLocale == NULL */
757 if( nullptr == pLocale )
758 osl_getProcessLocale( &pLocale );
759
760 /* convert rtl_Locale to locale string */
761 if( compose_locale( pLocale, locale_buf, 64 ) )
762 {
763 /* check special handling list (EUC) first */
764 language = pair_search( locale_buf, full_locale_list, SAL_N_ELEMENTS( full_locale_list ) );
765
766 if( nullptr == language )
767 {
768 /*
769 * check if there is a charset qualifier at the end of the given locale string
770 * e.g. de.ISO8859-15 or de.ISO8859-15@euro which strongly indicates what
771 * charset to use
772 */
773 char* cp = strrchr( locale_buf, '.' );
774
775 if( nullptr != cp )
776 {
777 language = pair_search( cp + 1, locale_extension_list, SAL_N_ELEMENTS( locale_extension_list ) );
778 }
779 }
780
781 /* use iso language code to determine the charset */
782 if( nullptr == language )
783 {
784 /* iso lang codes have 2 characters */
785 locale_buf[2] = '\0';
786
787 language = pair_search( locale_buf, iso_language_list, SAL_N_ELEMENTS( iso_language_list ) );
788 }
789 }
790
791 /* a matching item in our list provides a mapping from codeset to
792 * rtl-codeset */
793 if ( language != nullptr )
794 return language->value;
795
796 return RTL_TEXTENCODING_DONTKNOW;
797 }
798
799 #if defined(MACOSX) || defined(IOS)
800
801 /*****************************************************************************
802 return the current process locale
803 *****************************************************************************/
804
805 void imp_getProcessLocale( rtl_Locale ** ppLocale )
806 {
807 OUString loc16(macosx_getLocale());
808 OString locale;
809 if (!loc16.convertToString(
810 &locale, RTL_TEXTENCODING_UTF8,
811 (RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR
812 | RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR)))
813 {
814 SAL_INFO("sal.osl", "Cannot convert \"" << loc16 << "\" to UTF-8");
815 }
816
817 /* handle the case where OS specific method of finding locale fails */
818 if ( locale.isEmpty() )
819 {
820 /* simulate behavior of setlocale */
821 locale = getenv( "LC_ALL" );
822
823 if( locale.isEmpty() )
824 locale = getenv( "LC_CTYPE" );
825
826 if( locale.isEmpty() )
827 locale = getenv( "LANG" );
828
829 if( locale.isEmpty() )
830 locale = "C"_ostr;
831 }
832
833 /* return the locale */
834 *ppLocale = parse_locale( locale.getStr() );
835 }
836
837 #else // !MACOSX && !IOS
838
839 /*****************************************************************************
840 return the current process locale
841 *****************************************************************************/
842
843 void imp_getProcessLocale( rtl_Locale ** ppLocale )
844 {
845 #ifdef ANDROID
846 /* No locale environment variables on Android, so why even bother
847 * with getenv().
848 */
849 const char* locale = "en-US.UTF-8";
850 #else
851 /* simulate behavior off setlocale */
852 const char* locale = getenv("LC_ALL");
853
854 if( NULL == locale )
855 locale = getenv( "LC_CTYPE" );
856
857 if( NULL == locale )
858 locale = getenv( "LANG" );
859
860 if( NULL == locale )
861 locale = "C";
862
863 #endif
864 *ppLocale = parse_locale( locale );
865 }
866
867 #endif // !MACOSX && !IOS
868 #endif // !LO_COMMON_NLS_ARCHS
869
870 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
FREE OFFICE SUITE