kcharsets.cpp
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#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
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00118
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00120
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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 {
"gb18030.2000-1",
"gb18030" },
00195 {
"gb18030.2000-0",
"gb18030" },
00196 {
"gbk-0",
"gbk" },
00197 {
"gb2312",
"gbk" },
00198 {
"gb2312.1980-0",
"gbk" },
00199 {
"big5-0",
"big5" },
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
static 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 = kde_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
const 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
const uint entityLength = p - entityBegin;
00442
if ( entityLength == 0 )
00443
continue;
00444
00445
const QChar entityValue =
KCharsets::fromEntity(
QConstString( entityBegin, entityLength ).string() );
00446
if ( entityValue.
isNull() )
00447
continue;
00448
00449
const 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
const int left = descriptiveName.
findRev(
'(' );
00501
00502
if (left<0)
00503
return descriptiveName.
stripWhiteSpace();
00504
00505
QString name(descriptiveName.
mid(left+1));
00506
00507
const int right = name.findRev(
')' );
00508
00509
if (right<0)
00510
return name;
00511
00512
return name.left(right).stripWhiteSpace();
00513 }
00514
00515 QStringList KCharsets::descriptiveEncodingNames()
00516 {
00517
QStringList encodings =
availableEncodingNames();
00518 QStringList::Iterator it;
00519
for( it = encodings.begin(); it != encodings.end(); ++it ) {
00520
QString lang =
KGlobal::charsets()->
languageForEncoding( *it );
00521 *it = i18n(
"Descriptive Encoding Name",
"%1 ( %2 )") .
arg(lang) .arg(*it);
00522 }
00523 encodings.
sort();
00524
return encodings;
00525 }
00526
00527 QTextCodec *
KCharsets::codecForName(
const QString &n)
const
00528
{
00529
bool b;
00530
return codecForName( n, b );
00531 }
00532
00533 QTextCodec *
KCharsets::codecForName(
const QString &n,
bool &ok)
const
00534
{
00535 ok =
true;
00536
00537
QTextCodec* codec = 0;
00538
00539
if((codec = d->codecForNameDict[n.
isEmpty() ?
"->locale<-" : n.
latin1()]))
00540
return codec;
00541
00542
if (n.
isEmpty()) {
00543 codec =
KGlobal::locale()->
codecForEncoding();
00544 d->codecForNameDict.replace(
"->locale<-", codec);
00545
return codec;
00546 }
00547
00548
QCString name = n.
lower().latin1();
00549
QCString key = name;
00550
if (name.right(8) ==
"_charset")
00551 name.truncate(name.length()-8);
00552
00553
if (name.isEmpty()) {
00554 ok =
false;
00555
return QTextCodec::codecForName(
"iso8859-1");
00556 }
00557
00558 codec =
QTextCodec::codecForName(name);
00559
00560
if(codec) {
00561 d->codecForNameDict.replace(key, codec);
00562
return codec;
00563 }
00564
00565
00566
00567
QCString cname = kcharsets_array_search< Builtin, const char* >( builtin, name.data());
00568
00569
if(!cname.
isEmpty())
00570 codec =
QTextCodec::codecForName(cname);
00571
00572
if(codec)
00573 {
00574 d->codecForNameDict.replace(key, codec);
00575
return codec;
00576 }
00577
00578
QString dir;
00579 {
00580
KConfigGroupSaver cfgsav( KGlobal::config(),
"i18n" );
00581 dir =
KGlobal::config()->
readPathEntry(
"i18ndir", QString::fromLatin1(
"/usr/share/i18n/charmaps"));
00582 dir +=
"/";
00583 }
00584
00585
00586
00587 cname = kcharsets_array_search< Aliases, const char* >( aliases, name.data());
00588
00589
if(cname.
isEmpty())
00590 cname = name;
00591 cname = cname.
upper();
00592
00593 codec =
QTextCodec::loadCharmapFile((
QString)(dir + cname.data()));
00594
00595
if(codec) {
00596 d->codecForNameDict.replace(key, codec);
00597
return codec;
00598 }
00599
00600
00601
00602 cname = cname.
lower();
00603 cname = kcharsets_array_search< ConversionHints, const char* >( conversion_hints, (
const char*)cname );
00604
00605
if(!cname.
isEmpty())
00606 codec =
QTextCodec::codecForName(cname);
00607
00608
if(codec) {
00609 d->codecForNameDict.replace(key, codec);
00610
return codec;
00611 }
00612
00613
00614 ok =
false;
00615
return QTextCodec::codecForName(
"iso8859-1");
00616 }
This file is part of the documentation for kdecore Library Version 3.2.3.