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diff --git a/tdecore/kcharsets.cpp b/tdecore/kcharsets.cpp
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+/* This file is part of the KDE libraries
+ Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+#include "kcharsets.h"
+
+#include "kqiodevicegzip_p.h"
+#include "kentities.c"
+
+#include <kapplication.h>
+#include <kglobal.h>
+#include <klocale.h>
+#include <kconfig.h>
+
+#include <tqfontinfo.h>
+#include <tqstrlist.h>
+#include <tqfontdatabase.h>
+#include <kdebug.h>
+
+#include <tqtextcodec.h>
+#include <tqmap.h>
+#include <tqcstring.h>
+#include <tqdir.h>
+#include <tqregexp.h>
+
+#include <assert.h>
+
+static const char * const language_names[] = {
+ I18N_NOOP( "Other" ),
+ I18N_NOOP( "Arabic" ),
+ I18N_NOOP( "Baltic" ),
+ I18N_NOOP( "Central European" ),
+ I18N_NOOP( "Chinese Simplified" ),
+ I18N_NOOP( "Chinese Traditional" ),
+ I18N_NOOP( "Cyrillic" ),
+ I18N_NOOP( "Greek" ),
+ I18N_NOOP( "Hebrew" ),
+ I18N_NOOP( "Japanese" ),
+ I18N_NOOP( "Korean" ),
+ I18N_NOOP( "Thai" ),
+ I18N_NOOP( "Turkish" ),
+ I18N_NOOP( "Western European" ),
+ I18N_NOOP( "Tamil" ),
+ I18N_NOOP( "Unicode" ),
+ I18N_NOOP( "Northern Saami" ),
+ I18N_NOOP( "Vietnamese" ),
+ I18N_NOOP( "South-Eastern Europe" )
+};
+
+// This list gives the charsets that can be used to display a file given in a certain encoding.
+// The list should be in order of preference
+static const char* const charsets_for_encoding[] = {
+ "koi8-r",
+ "koi8-u",
+ "iso 8859-1",
+ "iso 8859-2",
+ "iso 8859-3",
+ "iso 8859-4",
+ "iso 8859-5",
+ "iso 8859-6",
+ "iso 8859-7",
+ "iso 8859-8",
+ "iso 8859-8-i",
+ "iso 8859-9",
+ "iso 8859-11",
+ "iso 8859-13",
+ "iso 8859-14",
+ "iso 8859-15",
+ "iso 8859-16",
+ "utf8",
+ "utf16",
+ "iso-10646-ucs-2",
+ "cp 1250",
+ "cp 1251",
+ "cp 1252",
+ "cp 1253",
+ "cp 1254",
+ "cp 1255",
+ "cp 1256",
+ "cp 1257",
+ "cp 1258",
+ "ibm850",
+ "ibm852",
+ "ibm866",
+ "tis620",
+ "eucjp",
+ "sjis",
+ "jis7",
+ "big5",
+ "big5-hkscs",
+ "gbk",
+ "gb18030",
+ "gb2312",
+ "euckr",
+ "tscii",
+// "pt 154",
+ "winsami2",
+ "cp 874",
+ 0 }; // extra 0 for end
+
+// 0 other
+// 1 Arabic
+// 2 Baltic
+// 3 Central European
+// 4 Chinese Simplified
+// 5 Chinese Traditional
+// 6 Cyrillic
+// 7 Greek
+// 8 Hebrew
+// 9 Japanese
+// 10 Korean
+// 11 Thai
+// 12 Turkish
+// 13 Western European
+// 14 Tamil
+// 15 Unicode
+// 16 Northern Sami
+// 17 Vietnamese
+// 18 South-Eastern Europe
+// ### FIXME KDE4: the name of the encodings should mostly be uppercase
+static struct LanguageForEncoding
+ {
+ const char* index;
+ int data;
+ } const language_for_encoding[] = {
+ { "iso 8859-1", 13 },
+ { "iso 8859-15", 13 },
+ { "iso 8859-14", 13 },
+ { "cp 1252", 13 },
+ { "ibm850", 13 },
+ { "iso 8859-2", 3 },
+ { "iso 8859-3", 3 },
+ { "iso 8859-4", 2 },
+ { "iso 8859-13", 2 },
+ { "iso 8859-16", 18 },
+ { "cp 1250", 3 },
+ { "cp 1254", 12 },
+ { "cp 1257", 2 },
+ { "ibm852", 3 },
+ { "koi8-r", 6 },
+ { "iso 8859-5", 6 },
+ { "cp 1251", 6 },
+ { "koi8-u", 6 },
+// { "pt 154", 6 },
+ { "ibm866", 6 },
+ { "big5", 5 },
+ { "big5-hkscs", 5 },
+ { "gb18030", 4 },
+ { "gbk", 4 },
+ { "gb2312", 4 },
+ { "euckr", 10 },
+ { "sjis", 9 },
+ { "jis7", 9 },
+ { "eucjp", 9 },
+ { "iso 8859-7", 7 },
+ { "cp 1253", 7 },
+ { "iso 8859-6", 1 },
+ { "cp 1256", 1 },
+ { "iso 8859-8", 8 },
+ { "iso 8859-8-i", 8 },
+ { "cp 1255", 8 },
+ { "iso 8859-9", 12 },
+ { "tis620", 11 },
+ { "iso 8859-11", 11 },
+ { "cp 874", 11 },
+ { "cp 1258", 17 },
+ { "tscii", 14 },
+ { "utf8", 15 },
+ { "utf16", 15 },
+ { "utf7", 15 }, // ### FIXME: UTF-7 is not in Qt
+ { "ucs2", 15 },
+ { "iso-10646-ucs-2", 15 },
+ { "winsami2", 16},
+ { 0, 0 } };
+
+// defines some different names for codecs that are built into Qt.
+static struct Builtin
+ {
+ const char* index;
+ const char* data;
+ } const builtin[] = {
+ { "iso-ir-111", "koi8-r" },
+ { "koi8-ru", "koi8-u" }, // ### Qt 3.3 maps it to koi8-r
+ { "koi unified", "koi8-r" }, // ### FIXME: Qt 3.3 seems to map this to EUC-KR, so this mapping is too late :-(
+ // Using ISO-8859-1 for ASCII is an approximation at write
+ { "us-ascii", "iso 8859-1" },
+ { "usascii", "iso 8859-1" },
+ { "ascii", "iso 8859-1" },
+ { "x-utf-8", "utf-8" },
+ { "x-utf-7", "utf-7" }, // ### FIXME: UTF-7 is not in Qt
+ { "tqunicode-1-1-utf-7", "utf-7" }, // ### FIXME: UTF-7 is not in Qt
+ { "utf-16", "iso-10646-ucs-2" },
+ { "utf16", "iso-10646-ucs-2" },
+ { "ucs2", "iso-10646-ucs-2" },
+ { "iso10646-1", "iso-10646-ucs-2" },
+ { "gb18030.2000-1", "gb18030" },
+ { "gb18030.2000-0", "gb18030" },
+ { "gbk-0", "gbk" },
+ { "gb2312.1980-0", "gbk" },
+ { "gb_2312-80", "gbk" },/* this one is not official, but MS is using it :/ */
+ { "x-euc-kr", "euckr" },
+ { "jisx0201.1976-0", "eucjp" },
+ { "jisx0208.1983-0", "eucjp" },
+ { "jisx0208.1990-0", "eucjp" },
+ { "jisx0208.1997-0", "eucjp" },
+ { "jisx0212.1990-0", "eucjp" },
+ { "jisx0213.2000-1", "eucjp" },
+ { "jisx0213.2000-2", "eucjp" },
+ { "windows850", "ibm850" },
+ { "windows866", "ibm866" },
+ { "windows1251", "cp 1251" },
+ { "windows1252", "cp 1252" },
+ { "windows1253", "cp 1253" },
+ { "windows1254", "cp 1254" },
+ { "windows1255", "cp 1255" },
+ { "windows1256", "cp 1256" },
+ { "windows1257", "cp 1257" },
+ { "windows1258", "cp 1258" },
+ { "windows-850", "ibm850" },
+ { "windows-866", "ibm866" },
+ { "x-windows-850", "ibm850" },
+ { "x-windows-866", "ibm866" },
+ { "x-windows-1250", "cp 1250" },
+ { "x-windows-1251", "cp 1251" },
+ { "x-windows-1252", "cp 1252" },
+ { "x-windows-1253", "cp 1253" },
+ { "x-windows-1254", "cp 1254" },
+ { "x-windows-1255", "cp 1255" },
+ { "x-windows-1256", "cp 1256" },
+ { "x-windows-1257", "cp 1257" },
+ { "x-windows-1258", "cp 1258" },
+ { "cp819", "iso 8859-1" },
+ { "cp850", "ibm850" },
+ { "cp866", "ibm866" },
+ { "cp-819", "iso 8859-1" },
+ { "cp-850", "ibm850" },
+ { "cp-866", "ibm866" },
+ { "cp-1250", "cp 1250" },
+ { "cp-1251", "cp 1251" },
+ { "cp-1252", "cp 1252" },
+ { "cp-1253", "cp 1253" },
+ { "cp-1254", "cp 1254" },
+ { "cp-1255", "cp 1255" },
+ { "cp-1256", "cp 1256" },
+ { "cp-1257", "cp 1257" },
+ { "cp-1258", "cp 1258" },
+ { "cp-10000", "apple roman" },
+ { "x-cp-850", "ibm850" },
+ { "x-cp-866", "ibm866" },
+ { "x-cp-1250", "cp 1250" },
+ { "x-cp-1251", "cp 1251" },
+ { "x-cp-1252", "cp 1252" },
+ { "x-cp-1253", "cp 1253" },
+ { "x-cp-1254", "cp 1254" },
+ { "x-cp-1255", "cp 1255" },
+ { "x-cp-1256", "cp 1256" },
+ { "x-cp-1257", "cp 1257" },
+ { "x-cp-1258", "cp 1258" },
+ { "x-cp-10000", "apple roman" },
+ { "ibm819", "iso 8859-1" },
+ { "thai-tis620", "iso 8859-11" },
+ { "windows-874", "cp 874" },
+ { "windows874", "cp 874" },
+ { "x-windows-874", "cp 874" },
+ { "x-cp-874", "cp 874" },
+ { "ibm 874", "cp 874" },
+ { "ibm874", "cp 874" }, // Qt4 name
+ { "x-ibm874", "cp 874" },
+ { "ksc5601.1987-0", "euckr" },
+ { "x-winsami2", "winsami2" },
+ { "x-mac-roman", "apple roman" },
+ { "macintosh", "apple roman" },
+ { "mac", "apple roman" },
+ { "csiso2022jp", "jis7" }, // See bug #77243
+ { "big5-eten", "big5-hkscs" },
+ { "cp950", "big5-hkscs" },
+ { 0, 0 }};
+
+// some different names for the encodings defined in the charmaps files.
+// even though the charmap file names are all uppercase, the names are all lowercase here.
+static struct Aliases
+ {
+ const char* index;
+ const char* data;
+ } const aliases[] = {
+ { "cp852", "ibm852" },
+ { "cp-852", "ibm852" },
+ { "x-cp-852", "ibm852" },
+ { "windows852", "ibm852" },
+ { "windows-852", "ibm852" },
+ { "x-windows-852", "ibm852" },
+ { 0, 0 }};
+
+// some last resort hints in case the charmap file couldn't be found. This gives at least a partial conversion
+// and helps making things readable.
+// the name used as input here is already converted to the more canonical name as defined in the aliases array.
+static struct ConversionHints
+ {
+ const char* index;
+ const char* data;
+ } const conversion_hints[] = {
+ { "cp1250", "iso-8859-2" },
+ { "koi8-r", "iso-8859-5" },
+ { "koi8-u", "koi8-r" },
+ // KDE had always "CP 1251" as best fallback to PT 154. Now that Qt does not offer this encoding anymore, it is our fallback.
+ { "pt 154", "cp 1251" },
+ { "paratype-154", "cp 1251" },
+ { "pt-154", "cp 1251" },
+ { 0, 0 }};
+
+
+// search an array of items index/data, index is const char*, data is T, find first matching index
+// and return data, or return 0
+template< typename T, typename Data >
+static Data kcharsets_array_search( const T* start, const char* entry )
+{
+ for( const T* pos = start;
+ pos->index != 0;
+ ++pos )
+ if( qstrcmp( pos->index, entry ) == 0 )
+ return pos->data;
+ return 0;
+}
+
+
+class KCharsetsPrivate
+{
+public:
+ KCharsetsPrivate(KCharsets* _kc)
+ : codecForNameDict(43, false) // case insensitive
+ {
+ db = 0;
+ kc = _kc;
+ }
+ ~KCharsetsPrivate()
+ {
+ delete db;
+ }
+ TQFontDatabase *db;
+ TQAsciiDict<TQTextCodec> codecForNameDict;
+ KCharsets* kc;
+};
+
+// --------------------------------------------------------------------------
+
+KCharsets::KCharsets()
+{
+ d = new KCharsetsPrivate(this);
+}
+
+KCharsets::~KCharsets()
+{
+ delete d;
+}
+
+TQChar KCharsets::fromEntity(const TQString &str)
+{
+ TQChar res = TQChar::null;
+
+ int pos = 0;
+ if(str[pos] == (QChar)'&') pos++;
+
+ // Check for '&#000' or '&#x0000' sequence
+ if (str[pos] == (QChar)'#' && str.length()-pos > 1) {
+ bool ok;
+ pos++;
+ if (str[pos] == (QChar)'x' || str[pos] == (QChar)'X') {
+ pos++;
+ // '&#x0000', hexadeciaml character reference
+ TQString tmp(str.tqunicode()+pos, str.length()-pos);
+ res = tmp.toInt(&ok, 16);
+ } else {
+ // '&#0000', decimal character reference
+ TQString tmp(str.tqunicode()+pos, str.length()-pos);
+ res = tmp.toInt(&ok, 10);
+ }
+ return res;
+ }
+
+ const entity *e = kde_findEntity(str.ascii(), str.length());
+
+ if(!e)
+ {
+ //kdDebug( 0 ) << "unknown entity " << str <<", len = " << str.length() << endl;
+ return TQChar::null;
+ }
+ //kdDebug() << "got entity " << str << " = " << e->code << endl;
+
+ return TQChar(e->code);
+}
+
+TQChar KCharsets::fromEntity(const TQString &str, int &len)
+{
+ // entities are never longer than 8 chars... we start from
+ // that length and work backwards...
+ len = 8;
+ while(len > 0)
+ {
+ TQString tmp = str.left(len);
+ TQChar res = fromEntity(tmp);
+ if( res != (QChar)TQChar::null ) return res;
+ len--;
+ }
+ return TQChar::null;
+}
+
+
+TQString KCharsets::toEntity(const TQChar &ch)
+{
+ TQString ent;
+ ent.sprintf("&#0x%x;", ch.tqunicode());
+ return ent;
+}
+
+TQString KCharsets::resolveEntities( const TQString &input )
+{
+ TQString text = input;
+ const TQChar *p = text.tqunicode();
+ const TQChar *end = p + text.length();
+ const TQChar *ampersand = 0;
+ bool scanForSemicolon = false;
+
+ for ( ; p < end; ++p ) {
+ const TQChar ch = *p;
+
+ if ( ch == (QChar)'&' ) {
+ ampersand = p;
+ scanForSemicolon = true;
+ continue;
+ }
+
+ if ( ch != (QChar)';' || scanForSemicolon == false )
+ continue;
+
+ assert( ampersand );
+
+ scanForSemicolon = false;
+
+ const TQChar *entityBegin = ampersand + 1;
+
+ const uint entityLength = p - entityBegin;
+ if ( entityLength == 0 )
+ continue;
+
+ const TQChar entityValue = KCharsets::fromEntity( TQConstString( entityBegin, entityLength ).string() );
+ if ( entityValue.isNull() )
+ continue;
+
+ const uint ampersandPos = ampersand - text.tqunicode();
+
+ text[ (int)ampersandPos ] = entityValue;
+ text.remove( ampersandPos + 1, entityLength + 1 );
+ p = text.tqunicode() + ampersandPos;
+ end = text.tqunicode() + text.length();
+ ampersand = 0;
+ }
+
+ return text;
+}
+
+TQStringList KCharsets::availableEncodingNames()
+{
+ TQStringList available;
+ for ( const char* const* pos = charsets_for_encoding; *pos; ++pos ) {
+ //kdDebug(0) << *charsets << " available" << endl;
+ available.append( TQString::tqfromLatin1( *pos ));
+ }
+ return available;
+}
+
+TQString KCharsets::languageForEncoding( const TQString &encoding )
+{
+ int lang = kcharsets_array_search< LanguageForEncoding, int >
+ ( language_for_encoding, encoding.latin1());
+ return i18n( language_names[lang] );
+}
+
+TQString KCharsets::encodingForName( const TQString &descriptiveName )
+{
+ const int left = descriptiveName.findRev( '(' );
+
+ if (left<0) // No parenthesis, so assume it is a normal encoding name
+ return descriptiveName.stripWhiteSpace();
+
+ TQString name(descriptiveName.mid(left+1));
+
+ const int right = name.findRev( ')' );
+
+ if (right<0)
+ return name;
+
+ return name.left(right).stripWhiteSpace();
+}
+
+TQStringList KCharsets::descriptiveEncodingNames()
+{
+ // As we are sorting, we can directly read the array language_for_encoding
+ TQStringList encodings;
+ for ( const LanguageForEncoding* pos = language_for_encoding; pos->index; ++pos ) {
+ const TQString name = TQString::tqfromLatin1( pos->index );
+ const TQString description = i18n( language_names[ pos->data ] );
+ encodings.append( i18n("Descriptive Encoding Name", "%1 ( %2 )"). arg ( description ). arg( name ) );
+ }
+ encodings.sort();
+ return encodings;
+}
+
+TQTextCodec *KCharsets::codecForName(const TQString &n) const
+{
+ bool b;
+ return codecForName( n, b );
+}
+
+TQTextCodec *KCharsets::codecForName(const TQString &n, bool &ok) const
+{
+ ok = true;
+
+ TQTextCodec* codec = 0;
+ // dict lookup is case insensitive anyway
+ if((codec = d->codecForNameDict[n.isEmpty() ? "->locale<-" : n.latin1()]))
+ return codec; // cache hit, return
+
+ if (n.isEmpty()) {
+ codec = KGlobal::locale()->codecForEncoding();
+ d->codecForNameDict.replace("->locale<-", codec);
+ return codec;
+ }
+
+ TQCString name = n.lower().latin1();
+ TQCString key = name;
+ if (name.right(8) == "_charset")
+ name.truncate(name.length()-8);
+
+ if (name.isEmpty()) {
+ ok = false;
+ return TQTextCodec::codecForName("iso8859-1");
+ }
+
+ codec = TQTextCodec::codecForName(name);
+
+ if(codec) {
+ d->codecForNameDict.replace(key, codec);
+ return codec;
+ }
+
+ // these codecs are built into Qt, but the name given for the codec is different,
+ // so TQTextCodec did not recognize it.
+ TQCString cname = kcharsets_array_search< Builtin, const char* >( builtin, name.data());
+
+ if(!cname.isEmpty())
+ codec = TQTextCodec::codecForName(cname);
+
+ if(codec)
+ {
+ d->codecForNameDict.replace(key, codec);
+ return codec;
+ }
+
+ TQString dir;
+ {
+ KConfigGroupSaver cfgsav( KGlobal::config(), "i18n" );
+ dir = KGlobal::config()->readPathEntry("i18ndir", TQString::tqfromLatin1("/usr/share/i18n/charmaps"));
+ }
+
+ // these are codecs not included in Qt. They can be build up if the corresponding charmap
+ // is available in the charmap directory.
+ cname = kcharsets_array_search< Aliases, const char* >( aliases, name.data());
+
+ if(cname.isEmpty())
+ cname = name;
+ cname = cname.upper();
+
+ const TQString basicName = TQString::tqfromLatin1(cname);
+ kdDebug() << k_funcinfo << endl << " Trying to find " << cname << " in " << dir << endl;
+
+ TQString charMapFileName;
+ bool gzipped = false;
+ TQDir qdir(dir);
+ if (!qdir.exists()) {
+ // The directory for the charmaps does not even exist... (That is common!)
+ }
+ else if (qdir.exists(basicName, false)) {
+ charMapFileName = basicName;
+ }
+ else if (qdir.exists(basicName+".gz", false)) {
+ charMapFileName = basicName + ".gz";
+ gzipped = true;
+ }
+ else {
+ // Check if we are asking a code page
+ // If yes, then check "CP99999" and "IBM99999"
+ // First we need to find the number of the codepage
+ TQRegExp regexp("^(X-)?(CP|IBM)(-| )?(0-9)+");
+ if ( regexp.search(basicName) != -1) {
+ const TQString num = regexp.cap(4);
+ if (num.isEmpty()) {
+ // No number, not a code page (or something went wrong)
+ }
+ else if (qdir.exists("IBM"+num)) {
+ charMapFileName = "IBM"+num;
+ }
+ else if (qdir.exists("IBM"+num+".gz")) {
+ charMapFileName = "IBM"+num+".gz";
+ gzipped = true;
+ }
+ else if (qdir.exists("CP"+num)) {
+ charMapFileName = "CP"+num;
+ }
+ else if (qdir.exists("CP"+num+".gz")) {
+ charMapFileName = "CP"+num+".gz";
+ gzipped = true;
+ }
+ }
+ }
+
+ if (gzipped && !charMapFileName.isEmpty()) {
+ KQIODeviceGZip gzip(dir + "/" + charMapFileName);
+ if (gzip.open(IO_ReadOnly)) {
+ kdDebug() << "Loading gzipped charset..." << endl;
+ codec = TQTextCodec::loadCharmap(&gzip);
+ gzip.close();
+ }
+ else
+ kdWarning() << "Could not open gzipped charset!" << endl;
+ }
+ else if (!charMapFileName.isEmpty()) {
+ codec = TQTextCodec::loadCharmapFile(dir + "/" + charMapFileName);
+ }
+
+ if(codec) {
+ d->codecForNameDict.replace(key, codec);
+ return codec;
+ }
+
+ // this also failed, the last resort is now to take some compatibility charmap
+
+ cname = kcharsets_array_search< ConversionHints, const char* >( conversion_hints, (const char*)name.data() );
+
+ if(!cname.isEmpty())
+ codec = TQTextCodec::codecForName(cname);
+
+ if(codec) {
+ d->codecForNameDict.replace(key, codec);
+ return codec;
+ }
+
+ // could not assign a codec, let's return Latin1
+ ok = false;
+ return TQTextCodec::codecForName("iso8859-1");
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-16 22:33:44 +0000