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00020 #include "kcharsets.h"
00021
00022 #include "kentities.c"
00023
00024 #include <kapplication.h>
00025 #include <kglobal.h>
00026 #include <klocale.h>
00027 #include <kconfig.h>
00028
00029 #include <qfontinfo.h>
00030 #include <qstrlist.h>
00031 #include <qfontdatabase.h>
00032 #include <kdebug.h>
00033
00034 #include <qtextcodec.h>
00035 #include <qmap.h>
00036 #include <qcstring.h>
00037
00038 #include <assert.h>
00039
00040 #define CHARSETS_COUNT 33
00041
00042 static const char * const language_names[] = {
00043 I18N_NOOP( "Other" ),
00044 I18N_NOOP( "Arabic" ),
00045 I18N_NOOP( "Baltic" ),
00046 I18N_NOOP( "Central European" ),
00047 I18N_NOOP( "Chinese Simplified" ),
00048 I18N_NOOP( "Chinese Traditional" ),
00049 I18N_NOOP( "Cyrillic" ),
00050 I18N_NOOP( "Greek" ),
00051 I18N_NOOP( "Hebrew" ),
00052 I18N_NOOP( "Japanese" ),
00053 I18N_NOOP( "Korean" ),
00054 I18N_NOOP( "Thai" ),
00055 I18N_NOOP( "Turkish" ),
00056 I18N_NOOP( "Western European" ),
00057 I18N_NOOP( "Tamil" ),
00058 I18N_NOOP( "Unicode" ),
00059 I18N_NOOP( "Northern Saami" )
00060 };
00061
00062
00063
00064
00065
00066
00067
00068
00069
00070 static const char* const charsets_for_encoding[] = {
00071 "koi8-r", "koi8-r","cp 1251","koi8-u","iso-8859-5", 0,
00072 "koi8-u", "koi8-u","cp 1251","iso-8859-5","koi8-r", 0,
00073 "iso 8859-1", "iso8859-1","iso8859-15", 0,
00074 "iso 8859-2", "iso8859-2","unicode","iso8859-1", 0,
00075 "iso 8859-3", "iso8859-3","unicode","iso8859-1", 0,
00076 "iso 8859-4", "iso8859-4","unicode","iso8859-13", "iso8859-1", 0,
00077 "iso 8859-5", "iso8859-5","koi8-u","koi8-r", 0,
00078 "iso 8859-6", "unicode","iso8859-6", 0,
00079 "iso 8859-7", "iso8859-7", 0,
00080 "iso 8859-8", "iso8859-8", 0,
00081 "iso 8859-8-i", "iso8859-8", 0,
00082 "iso 8859-9", "iso8859-9","unicode","iso8859-1", 0,
00083 "iso 8859-11", "iso8859-11", 0,
00084 "iso 8859-13", "iso8859-13","unicode","iso8859-4", "iso8859-1", 0,
00085 "iso 8859-15", "iso8859-15","unicode","iso8859-1", 0,
00086 "utf8", "unicode","iso8859-1", 0,
00087 "utf16", "unicode","iso8859-1", 0,
00088 "iso-10646-ucs-2", "unicode","iso8859-1", 0,
00089 "cp 1250", "iso8859-2", 0,
00090 "cp 1251", "cp 1251","koi8-u","koi8-r","iso8859-5", 0,
00091 "cp 1252", "iso8859-1", 0,
00092 "cp 1253", "iso8859-7", 0,
00093 "cp 1254", "iso8859-9", 0,
00094 "cp 1255", "iso8859-8", 0,
00095 "cp 1256", "unicode","iso8859-6", 0,
00096 "cp 1257", "iso8859-13", "iso8859-4", 0,
00097 "ibm852", "unicode","iso-8859-2", 0,
00098 "tis620", "iso8859-11", 0,
00099 "eucjp", "eucjp","unicode","iso8859-1", 0,
00100 "sjis", "eucjp","unicode","iso8859-1", 0,
00101 "jis7", "eucjp","unicode","iso8859-1", 0,
00102 "big5", "big5","unicode","iso8859-1", 0,
00103 "gbk", "gb2312.1980-0","gbk-0","unicode","iso8859-1", 0,
00104 "gb18030", "gb18030.2000-1", "gb18030.2000-0", "unicode", "gbk-0", "gb2313.1980-0", "iso8859-1", 0,
00105 "gb2312", "gb2312.1980-0","unicode","iso8859-1", 0,
00106 "euckr", "euckr","unicode","iso8859-1", 0,
00107 "tscii", "tscii", 0,
00108 "pt 154", "pt 154","cp 1251","koi8-u","koi8-r","iso8859-5", 0,
00109 "winsami2", "winsami2", "cp1252", "unicode", 0,
00110 0 };
00111
00112
00113
00114
00115
00116
00117
00118
00119
00120
00121
00122
00123
00124
00125
00126
00127
00128
00129 static struct LanguageForEncoding
00130 {
00131 const char* index;
00132 int data;
00133 } const language_for_encoding[] = {
00134 { "iso 8859-1", 13 },
00135 { "iso 8859-15", 13 },
00136 { "cp 1252", 13 },
00137 { "iso 8859-2", 3 },
00138 { "iso 8859-3", 3 },
00139 { "iso 8859-4", 2 },
00140 { "iso 8859-13", 2 },
00141 { "cp 1250", 3 },
00142 { "cp 1254", 12 },
00143 { "cp 1257", 2 },
00144 { "ibm852", 3 },
00145 { "koi8-r", 6 },
00146 { "iso 8859-5", 6 },
00147 { "cp 1251", 6 },
00148 { "koi8-u", 6 },
00149 { "pt 154", 6 },
00150 { "big5", 5 },
00151 { "gb18030", 4 },
00152 { "gbk", 4 },
00153 { "gb2312", 4 },
00154 { "euckr", 10 },
00155 { "sjis", 9 },
00156 { "jis7", 9 },
00157 { "eucjp", 9 },
00158 { "iso 8859-7", 7 },
00159 { "cp 1253", 7 },
00160 { "iso 8859-6", 1 },
00161 { "cp 1256", 1 },
00162 { "iso 8859-8", 8 },
00163 { "iso 8859-8-i", 8 },
00164 { "cp 1255", 8 },
00165 { "iso 8859-9", 12 },
00166 { "tis620", 11 },
00167 { "iso 8859-11", 11 },
00168 { "utf8", 15 },
00169 { "utf16", 15 },
00170 { "utf7", 15 },
00171 { "ucs2", 15 },
00172 { "iso-10646-ucs-2", 15 },
00173 { "winsami2", 16},
00174 { 0, 0 } };
00175
00176
00177 static struct Builtin
00178 {
00179 const char* index;
00180 const char* data;
00181 } const builtin[] = {
00182 { "iso-ir-111", "koi8-r" },
00183 { "koi8-ru", "koi8-u" },
00184 { "koi8r", "koi8-r" },
00185 { "koi8u", "koi8-u" },
00186 { "koi unified", "koi8-r" },
00187 { "us-ascii", "iso 8859-1" },
00188 { "usascii", "iso 8859-1" },
00189 { "x-utf-8", "utf-8" },
00190 { "x-utf-7", "utf-7" },
00191 { "unicode-1-1-utf-7", "utf-7" },
00192 { "ucs2", "iso-10646-ucs-2" },
00193 { "iso10646-1", "iso-10646-ucs-2" },
00194 { "big5-0", "big5" },
00195 { "gb18030.2000-1", "gb18030" },
00196 { "gb18030.2000-0", "gb18030" },
00197 { "gbk-0", "gbk" },
00198 { "gb2312", "gbk" },
00199 { "gb2312.1980-0", "gbk" },
00200 { "euc-kr", "euckr" },
00201 { "x-euc-kr", "euckr" },
00202 { "euc-jp", "eucjp" },
00203 { "x-euc-jp", "eucjp" },
00204 { "jisx0201.1976-0", "eucjp" },
00205 { "jisx0208.1983-0", "eucjp" },
00206 { "jisx0208.1990-0", "eucjp" },
00207 { "jisx0208.1997-0", "eucjp" },
00208 { "jisx0212.1990-0", "eucjp" },
00209 { "jisx0213.2000-1", "eucjp" },
00210 { "jisx0213.2000-2", "eucjp" },
00211 { "shift_jis", "sjis" },
00212 { "shift-jis", "sjis" },
00213 { "x-sjis", "sjis" },
00214 { "iso-2022-jp", "jis7" },
00215 { "windows1250", "cp 1250" },
00216 { "windows1251", "cp 1251" },
00217 { "windows1252", "cp 1252" },
00218 { "windows1253", "cp 1253" },
00219 { "windows1254", "cp 1254" },
00220 { "windows1255", "cp 1255" },
00221 { "windows1256", "cp 1256" },
00222 { "windows1257", "cp 1257" },
00223 { "windows-1250", "cp 1250" },
00224 { "windows-1251", "cp 1251" },
00225 { "windows-1252", "cp 1252" },
00226 { "windows-1253", "cp 1253" },
00227 { "windows-1254", "cp 1254" },
00228 { "windows-1255", "cp 1255" },
00229 { "windows-1256", "cp 1256" },
00230 { "windows-1257", "cp 1257" },
00231 { "x-windows-1250", "cp 1250" },
00232 { "x-windows-1251", "cp 1251" },
00233 { "x-windows-1252", "cp 1252" },
00234 { "x-windows-1253", "cp 1253" },
00235 { "x-windows-1254", "cp 1254" },
00236 { "x-windows-1255", "cp 1255" },
00237 { "x-windows-1256", "cp 1256" },
00238 { "x-windows-1257", "cp 1257" },
00239 { "cp-1250", "cp 1250" },
00240 { "cp-1251", "cp 1251" },
00241 { "cp-1252", "cp 1252" },
00242 { "cp-1253", "cp 1253" },
00243 { "cp-1254", "cp 1254" },
00244 { "cp-1255", "cp 1255" },
00245 { "cp-1256", "cp 1256" },
00246 { "cp-1257", "cp 1257" },
00247 { "x-cp-1250", "cp 1250" },
00248 { "x-cp-1251", "cp 1251" },
00249 { "x-cp-1252", "cp 1252" },
00250 { "x-cp-1253", "cp 1253" },
00251 { "x-cp-1254", "cp 1254" },
00252 { "x-cp-1255", "cp 1255" },
00253 { "x-cp-1256", "cp 1256" },
00254 { "x-cp-1257", "cp 1257" },
00255 { "tis620", "iso 8859-11" },
00256 { "tis-620", "iso 8859-11" },
00257 { "thai-tis620", "iso 8859-11" },
00258 { "windows-874", "iso 8859-11" },
00259 { "windows874", "iso 8859-11" },
00260 { "x-windows-874", "iso 8859-11" },
00261 { "cp874", "iso 8859-11" },
00262 { "cp-874", "iso 8859-11" },
00263 { "x-cp-874", "iso 8859-11" },
00264 { "ksc5601.1987-0", "euckr" },
00265 { "ks_c_5601-1987", "euckr" },
00266 { "iso-8859-1", "iso 8859-1" },
00267 { "iso-8859-2", "iso 8859-2" },
00268 { "iso-8859-3", "iso 8859-3" },
00269 { "iso-8859-4", "iso 8859-4" },
00270 { "iso-8859-5", "iso 8859-5" },
00271 { "iso-8859-6", "iso 8859-6" },
00272 { "iso-8859-7", "iso 8859-7" },
00273 { "iso-8859-8", "iso 8859-8" },
00274 { "iso-8859-9", "iso 8859-9" },
00275 { "iso-8859-10", "iso 8859-10" },
00276 { "iso-8859-11", "iso 8859-11" },
00277 { "iso-8859-12", "iso 8859-12" },
00278 { "iso-8859-13", "iso 8859-13" },
00279 { "iso-8859-14", "iso 8859-14" },
00280 { "iso-8859-15", "iso 8859-15" },
00281 { "tscii", "tscii" },
00282 { "paratype-154", "pt 154" },
00283 { "pt-154", "pt 154" },
00284 { "x-winsami2", "winsami2" },
00285 { 0, 0 }};
00286
00287
00288
00289 static struct Aliases
00290 {
00291 const char* index;
00292 const char* data;
00293 } const aliases[] = {
00294 { "cp852", "ibm852" },
00295 { 0, 0 }};
00296
00297
00298
00299
00300 static struct ConversionHints
00301 {
00302 const char* index;
00303 const char* data;
00304 } const conversion_hints[] = {
00305 { "cp1250", "iso-8859-2" },
00306 { "koi8-r", "iso-8859-5" },
00307 { "koi8-u", "koi8-r" },
00308 { "utf16", "iso-10646-ucs-2" },
00309 { 0, 0 }};
00310
00311
00312
00313
00314 template< typename T, typename Data >
00315 Data kcharsets_array_search( const T* start, const char* entry )
00316 {
00317 for( const T* pos = start;
00318 pos->index != 0;
00319 ++pos )
00320 if( qstrcmp( pos->index, entry ) == 0 )
00321 return pos->data;
00322 return 0;
00323 }
00324
00325
00326 class KCharsetsPrivate
00327 {
00328 public:
00329 KCharsetsPrivate(KCharsets* _kc)
00330 : codecForNameDict(43, false)
00331 {
00332 db = 0;
00333 kc = _kc;
00334 }
00335 ~KCharsetsPrivate()
00336 {
00337 delete db;
00338 }
00339 QFontDatabase *db;
00340 QAsciiDict<QTextCodec> codecForNameDict;
00341 KCharsets* kc;
00342 };
00343
00344
00345
00346 KCharsets::KCharsets()
00347 {
00348 d = new KCharsetsPrivate(this);
00349 }
00350
00351 KCharsets::~KCharsets()
00352 {
00353 delete d;
00354 }
00355
00356 QChar KCharsets::fromEntity(const QString &str)
00357 {
00358 QChar res = QChar::null;
00359
00360 int pos = 0;
00361 if(str[pos] == '&') pos++;
00362
00363
00364 if (str[pos] == '#' && str.length()-pos > 1) {
00365 bool ok;
00366 pos++;
00367 if (str[pos] == 'x' || str[pos] == 'X') {
00368 pos++;
00369
00370 QString tmp(str.unicode()+pos, str.length()-pos);
00371 res = tmp.toInt(&ok, 16);
00372 } else {
00373
00374 QString tmp(str.unicode()+pos, str.length()-pos);
00375 res = tmp.toInt(&ok, 10);
00376 }
00377 return res;
00378 }
00379
00380 const entity *e = findEntity(str.ascii(), str.length());
00381
00382 if(!e)
00383 {
00384
00385 return QChar::null;
00386 }
00387
00388
00389 return QChar(e->code);
00390 }
00391
00392 QChar KCharsets::fromEntity(const QString &str, int &len)
00393 {
00394
00395
00396 len = 8;
00397 while(len > 0)
00398 {
00399 QString tmp = str.left(len);
00400 QChar res = fromEntity(tmp);
00401 if( res != QChar::null ) return res;
00402 len--;
00403 }
00404 return QChar::null;
00405 }
00406
00407
00408 QString KCharsets::toEntity(const QChar &ch)
00409 {
00410 QString ent;
00411 ent.sprintf("�x%x;", ch.unicode());
00412 return ent;
00413 }
00414
00415 QString KCharsets::resolveEntities( const QString &input )
00416 {
00417 QString text = input;
00418 const QChar *p = text.unicode();
00419 const QChar *end = p + text.length();
00420 const QChar *ampersand = 0;
00421 bool scanForSemicolon = false;
00422
00423 for ( ; p < end; ++p ) {
00424 QChar ch = *p;
00425
00426 if ( ch == '&' ) {
00427 ampersand = p;
00428 scanForSemicolon = true;
00429 continue;
00430 }
00431
00432 if ( ch != ';' || scanForSemicolon == false )
00433 continue;
00434
00435 assert( ampersand );
00436
00437 scanForSemicolon = false;
00438
00439 const QChar *entityBegin = ampersand + 1;
00440
00441 uint entityLength = p - entityBegin;
00442 if ( entityLength == 0 )
00443 continue;
00444
00445 QChar entityValue = KCharsets::fromEntity( QConstString( entityBegin, entityLength ).string() );
00446 if ( entityValue.isNull() )
00447 continue;
00448
00449 uint ampersandPos = ampersand - text.unicode();
00450
00451 text[ ampersandPos ] = entityValue;
00452 text.remove( ampersandPos + 1, entityLength + 1 );
00453 p = text.unicode() + ampersandPos;
00454 end = text.unicode() + text.length();
00455 ampersand = 0;
00456 }
00457
00458 return text;
00459 }
00460
00461 QStringList KCharsets::availableEncodingNames()
00462 {
00463 QStringList available;
00464
00465 const char* const* pos = charsets_for_encoding;
00466 while( *pos != 0 ) {
00467
00468
00469
00470
00471 for( const char* const* charsets = pos + 1;
00472 *charsets != 0;
00473 ++charsets ) {
00474
00475 #ifdef __GNUC__
00476 #warning FIXME?
00477 #endif
00478 if( true ) {
00479
00480 available.append( QString::fromLatin1( *pos ));
00481 break;
00482 }
00483 }
00484 while( *pos != 0 )
00485 ++pos;
00486 ++pos;
00487 }
00488 return available;
00489 }
00490
00491 QString KCharsets::languageForEncoding( const QString &encoding )
00492 {
00493 int lang = kcharsets_array_search< LanguageForEncoding, int >
00494 ( language_for_encoding, encoding.latin1());
00495 return i18n( language_names[lang] );
00496 }
00497
00498 QString KCharsets::encodingForName( const QString &descriptiveName )
00499 {
00500 int left = descriptiveName.find( "( " );
00501 return descriptiveName.mid( left + 2, descriptiveName.find( " )" )
00502 - left - 2 );
00503 }
00504
00505 QStringList KCharsets::descriptiveEncodingNames()
00506 {
00507 QStringList encodings = availableEncodingNames();
00508 QStringList::Iterator it;
00509 for( it = encodings.begin(); it != encodings.end(); ++it ) {
00510 QString lang = KGlobal::charsets()->languageForEncoding( *it );
00511 *it = lang + " ( " + *it + " )";
00512 }
00513 encodings.sort();
00514 return encodings;
00515 }
00516
00517 QTextCodec *KCharsets::codecForName(const QString &n) const
00518 {
00519 bool b;
00520 return codecForName( n, b );
00521 }
00522
00523 QTextCodec *KCharsets::codecForName(const QString &n, bool &ok) const
00524 {
00525 ok = true;
00526
00527 QTextCodec* codec = 0;
00528
00529 if((codec = d->codecForNameDict[n.isEmpty() ? "->locale<-" : n.latin1()]))
00530 return codec;
00531
00532 if (n.isEmpty()) {
00533 codec = KGlobal::locale()->codecForEncoding();
00534 d->codecForNameDict.replace("->locale<-", codec);
00535 return codec;
00536 }
00537
00538 QCString name = n.lower().latin1();
00539 QCString key = name;
00540 if (name.right(8) == "_charset")
00541 name.truncate(name.length()-8);
00542
00543 if (name.isEmpty()) {
00544 ok = false;
00545 return QTextCodec::codecForName("iso8859-1");
00546 }
00547
00548 codec = QTextCodec::codecForName(name);
00549
00550 if(codec) {
00551 d->codecForNameDict.replace(key, codec);
00552 return codec;
00553 }
00554
00555
00556
00557 QCString cname = kcharsets_array_search< Builtin, const char* >( builtin, name.data());
00558
00559 if(!cname.isEmpty())
00560 codec = QTextCodec::codecForName(cname);
00561
00562 if(codec)
00563 {
00564 d->codecForNameDict.replace(key, codec);
00565 return codec;
00566 }
00567
00568 QString dir;
00569 {
00570 KConfigGroupSaver cfgsav( KGlobal::config(), "i18n" );
00571 dir = KGlobal::config()->readPathEntry("i18ndir", QString::fromLatin1("/usr/share/i18n/charmaps"));
00572 dir += "/";
00573 }
00574
00575
00576
00577 cname = kcharsets_array_search< Aliases, const char* >( aliases, name.data());
00578
00579 if(cname.isEmpty())
00580 cname = name;
00581 cname = cname.upper();
00582
00583 codec = QTextCodec::loadCharmapFile((QString)(dir + cname.data()));
00584
00585 if(codec) {
00586 d->codecForNameDict.replace(key, codec);
00587 return codec;
00588 }
00589
00590
00591
00592 cname = cname.lower();
00593 cname = kcharsets_array_search< ConversionHints, const char* >( conversion_hints, (const char*)cname );
00594
00595 if(!cname.isEmpty())
00596 codec = QTextCodec::codecForName(cname);
00597
00598 if(codec) {
00599 d->codecForNameDict.replace(key, codec);
00600 return codec;
00601 }
00602
00603
00604 ok = false;
00605 return QTextCodec::codecForName("iso8859-1");
00606 }