mirror of
https://github.com/xiaoyifang/goldendict-ng.git
synced 2024-11-27 23:34:06 +00:00
1462 lines
36 KiB
C++
1462 lines
36 KiB
C++
/* This file is (c) 2008-2012 Konstantin Isakov <ikm@goldendict.org>
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* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
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#include "dsl_details.hh"
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#include "folding.hh"
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#include "langcoder.hh"
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#include "gddebug.hh"
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#include "ufile.hh"
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#include "wstring_qt.hh"
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#include "utf8.hh"
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#include <stdio.h>
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#include <wctype.h>
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namespace Dsl {
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namespace Details {
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using gd::wstring;
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using std::list;
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#ifndef __linux__
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// wcscasecmp() function is a GNU extension, we need to reimplement it
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// for non-GNU systems.
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int wcscasecmp( const wchar *s1, const wchar *s2 )
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{
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for( ; ; ++s1, ++s2 )
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{
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if ( towlower( *s1 ) != towlower( *s2 ) )
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return towlower( *s1 ) > towlower( *s2 ) ? 1 : -1;
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if ( !*s1 )
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break;
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}
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return 0;
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}
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#endif
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static DSLLangCode LangCodes[] =
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{
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{ 1, "en" },
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{ 1033, "en" },
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{ 2, "ru" },
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{ 1049, "ru" },
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{ 1068, "az" },
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{ 1025, "ar" },
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{ 1067, "am" },
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{ 15, "af" },
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{ 1078, "af" },
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{ 9, "eu" },
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{ 1069, "eu" },
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{ 1133, "ba" },
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{ 21, "be" },
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{ 1059, "be" },
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{ 22, "bg" },
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{ 1026, "bg" },
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{ 19, "hu" },
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{ 1038, "hu" },
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{ 10, "nl" },
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{ 1043, "nl" },
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{ 1032, "el" },
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{ 1079, "ka" },
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{ 13, "da" },
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{ 1030, "da" },
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{ 16, "id" },
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{ 1057, "id" },
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{ 1039, "is" },
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{ 6, "es" },
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{ 7, "es" },
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{ 3082, "es" },
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{ 1034, "es" },
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{ 5, "it" },
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{ 1040, "it" },
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{ 1087, "kk" },
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{ 1595, "ky" },
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{ 28, "ch" },
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{ 29, "ch" },
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{ 1028, "ch" },
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{ 2052, "ch" },
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{ 30, "la" },
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{ 1540, "la" },
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{ 1142, "la" },
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{ 1062, "lv" },
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{ 1063, "lt" },
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{ 1086, "ms" },
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{ 3, "de" },
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{ 26, "de" },
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{ 1031, "de" },
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{ 32775, "de" },
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{ 14, "nb" },
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{ 1044, "nb" },
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{ 25, "nn" },
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{ 2068, "nn" },
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{ 20, "pl" },
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{ 1045, "pl" },
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{ 8, "pt" },
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{ 2070, "pt" },
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{ 1048, "ro" },
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{ 23, "sr" },
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{ 3098, "sr" },
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{ 1051, "sk" },
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{ 1060, "sl" },
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{ 17, "sw" },
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{ 1089, "sw" },
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{ 1064, "tg" },
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{ 1092, "tt" },
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{ 27, "tr" },
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{ 1055, "tr" },
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{ 1090, "tk" },
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{ 1091, "tz" },
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{ 24, "uk" },
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{ 1058, "uk" },
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{ 11, "fi" },
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{ 1035, "fi" },
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{ 4, "fr" },
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{ 1036, "fr" },
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{ 18, "cs" },
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{ 1029, "cs" },
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{ 12, "sv" },
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{ 1053, "sv" },
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{ 1061, "et" },
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{ 0, "" },
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};
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string findCodeForDslId( int id )
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{
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for( DSLLangCode const * lc = LangCodes; lc->code_id; ++lc )
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{
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if ( id == lc->code_id )
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{
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// We've got a match
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return string( lc->code );
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}
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}
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return string();
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}
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bool isAtSignFirst( wstring const & str )
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{
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// Test if '@' is first in string except spaces and dsl tags
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QRegExp reg( "[ \\t]*(?:\\[[^\\]]+\\][ \\t]*)*@", Qt::CaseInsensitive, QRegExp::RegExp2 );
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return reg.indexIn( gd::toQString( str ) ) == 0;
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}
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/////////////// ArticleDom
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wstring ArticleDom::Node::renderAsText( bool stripTrsTag ) const
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{
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if ( !isTag )
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return text;
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wstring result;
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for( list< Node >::const_iterator i = begin(); i != end(); ++i )
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if( !stripTrsTag || i->tagName != GD_NATIVE_TO_WS( L"!trs" ) )
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result += i->renderAsText( stripTrsTag );
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return result;
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}
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// Returns true if src == 'm' and dest is 'mX', where X is a digit
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static inline bool checkM( wstring const & dest, wstring const & src )
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{
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return ( src == GD_NATIVE_TO_WS( L"m" ) && dest.size() == 2 &&
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dest[ 0 ] == L'm' && iswdigit( dest[ 1 ] ) );
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}
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ArticleDom::ArticleDom( wstring const & str, string const & dictName,
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wstring const & headword_):
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root( Node::Tag(), wstring(), wstring() ), stringPos( str.c_str() ),
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lineStartPos( str.c_str() ),
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transcriptionCount( 0 ),
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mediaCount( 0 ),
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dictionaryName( dictName ),
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headword( headword_ )
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{
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list< Node * > stack; // Currently opened tags
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Node * textNode = 0; // A leaf node which currently accumulates text.
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try
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{
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for( ;; )
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{
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nextChar();
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if ( ch == L'@' && !escaped )
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{
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if( !atSignFirstInLine() )
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{
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// Not insided card
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if( dictName.empty() )
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gdWarning( "Unescaped '@' symbol found" );
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else
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gdWarning( "Unescaped '@' symbol found in \"%s\"", dictName.c_str() );
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}
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else
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{
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// Insided card
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wstring linkTo;
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nextChar();
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for( ; ; nextChar() )
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{
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if( ch == L'\n' )
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break;
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if( ch != L'\r' )
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{
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if( escaped && ( ch == L'(' || ch == ')' ) )
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linkTo.push_back( L'\\' );
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linkTo.push_back( ch );
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}
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}
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linkTo = Folding::trimWhitespace( linkTo );
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if( !linkTo.empty() )
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{
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list< wstring > allLinkEntries;
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processUnsortedParts( linkTo, true );
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expandOptionalParts( linkTo, &allLinkEntries );
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for( list< wstring >::iterator entry = allLinkEntries.begin();
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entry != allLinkEntries.end(); )
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{
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if ( !textNode )
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{
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Node text = Node( Node::Text(), wstring() );
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if ( stack.empty() )
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{
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root.push_back( text );
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stack.push_back( &root.back() );
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}
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else
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{
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stack.back()->push_back( text );
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stack.push_back( &stack.back()->back() );
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}
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textNode = stack.back();
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}
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textNode->text.push_back( L'-' );
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textNode->text.push_back( L' ' );
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// Close the currently opened text node
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stack.pop_back();
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textNode = 0;
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wstring linkText = Folding::trimWhitespace( *entry );
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ArticleDom nodeDom( linkText, dictName, headword_ );
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Node link( Node::Tag(), GD_NATIVE_TO_WS( L"@" ), wstring() );
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for( Node::iterator n = nodeDom.root.begin(); n != nodeDom.root.end(); ++n )
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link.push_back( *n );
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++entry;
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if ( stack.empty() )
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{
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root.push_back( link );
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if( entry != allLinkEntries.end() ) // Add line break before next entry
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root.push_back( Node( Node::Tag(), GD_NATIVE_TO_WS( L"br" ), wstring() ) );
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}
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else
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{
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stack.back()->push_back( link );
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if( entry != allLinkEntries.end() )
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stack.back()->push_back( Node( Node::Tag(), GD_NATIVE_TO_WS( L"br" ), wstring() ) );
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}
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}
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// Skip to next '@'
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while( !( ch == L'@' && !escaped && atSignFirstInLine() ) )
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nextChar();
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stringPos--;
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ch = L'\n';
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escaped = false;
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}
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}
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} // if ( ch == L'@' )
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if ( ch == L'[' && !escaped )
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{
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// Beginning of a tag.
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bool isClosing;
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wstring name;
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wstring attrs;
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try
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{
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do
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{
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nextChar();
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} while( Folding::isWhitespace( ch ) );
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if ( ch == L'/' && !escaped )
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{
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// A closing tag.
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isClosing = true;
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nextChar();
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}
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else
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isClosing = false;
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// Read tag's name
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while( ( ch != L']' || escaped ) && !Folding::isWhitespace( ch ) )
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{
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name.push_back( ch );
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nextChar();
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}
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while( Folding::isWhitespace( ch ) )
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nextChar();
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// Read attrs
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while( ch != L']' || escaped )
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{
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attrs.push_back( ch );
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nextChar();
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}
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}
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catch( eot )
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{
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if( !dictionaryName.empty() )
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gdWarning( "DSL: Unfinished tag \"%s\" with attributes \"%s\" found in \"%s\", article \"%s\".",
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gd::toQString( name ).toUtf8().data(), gd::toQString( attrs ).toUtf8().data(),
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dictionaryName.c_str(), gd::toQString( headword ).toUtf8().data() );
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else
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gdWarning( "DSL: Unfinished tag \"%s\" with attributes \"%s\" found",
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gd::toQString( name ).toUtf8().data(), gd::toQString( attrs ).toUtf8().data() );
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throw eot();
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}
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// Add the tag, or close it
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if ( textNode )
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{
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// Close the currently opened text node
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stack.pop_back();
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textNode = 0;
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}
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// If the tag is [t], we update the transcriptionCount
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if ( name == GD_NATIVE_TO_WS( L"t" ) )
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{
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if ( isClosing )
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{
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if ( transcriptionCount )
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--transcriptionCount;
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}
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else
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++transcriptionCount;
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}
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// If the tag is [s], we update the mediaCount
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if ( name == GD_NATIVE_TO_WS( L"s" ) )
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{
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if ( isClosing )
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{
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if ( mediaCount )
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--mediaCount;
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}
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else
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++mediaCount;
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}
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if ( !isClosing )
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{
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if ( name == GD_NATIVE_TO_WS( L"m" ) ||
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( name.size() == 2 && name[ 0 ] == L'm' && iswdigit( name[ 1 ] ) ) )
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{
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// Opening an 'mX' or 'm' tag closes any previous 'm' tag
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closeTag( GD_NATIVE_TO_WS( L"m" ), stack, false );
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}
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openTag( name, attrs, stack );
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if ( name == GD_NATIVE_TO_WS( L"br" ) )
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{
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// [br] tag don't have closing tag
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closeTag( name, stack );
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}
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}
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else
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{
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closeTag( name, stack );
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} // if ( isClosing )
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continue;
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} // if ( ch == '[' )
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if ( ch == L'<' && !escaped )
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{
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// Special case: the <<name>> link
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nextChar();
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if ( ch != L'<' || escaped )
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{
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// Ok, it's not it.
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--stringPos;
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if ( escaped )
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{
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--stringPos;
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escaped = false;
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}
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ch = L'<';
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}
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else
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{
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// Get the link's body
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do
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{
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nextChar();
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} while( Folding::isWhitespace( ch ) );
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wstring linkTo, linkText;
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for( ; ; nextChar() )
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{
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// Is it the end?
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if ( ch == L'>' && !escaped )
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{
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nextChar();
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if ( ch == L'>' && !escaped )
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break;
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else
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{
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linkTo.push_back( L'>' );
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linkTo.push_back( ch );
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linkText.push_back( L'>' );
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if( escaped )
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linkText.push_back( L'\\' );
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linkText.push_back( ch );
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}
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}
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else
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{
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linkTo.push_back( ch );
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if( escaped )
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linkText.push_back( L'\\' );
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linkText.push_back( ch );
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}
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}
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// Add the corresponding node
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if ( textNode )
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{
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// Close the currently opened text node
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stack.pop_back();
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textNode = 0;
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}
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linkText = Folding::trimWhitespace( linkText );
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processUnsortedParts( linkText, true );
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ArticleDom nodeDom( linkText, dictName, headword_ );
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Node link( Node::Tag(), GD_NATIVE_TO_WS( L"ref" ), wstring() );
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for( Node::iterator n = nodeDom.root.begin(); n != nodeDom.root.end(); ++n )
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link.push_back( *n );
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if ( stack.empty() )
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root.push_back( link );
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else
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stack.back()->push_back( link );
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continue;
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}
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} // if ( ch == '<' )
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if ( ch == L'{' && !escaped )
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{
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// Special case: {{comment}}
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nextChar();
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if ( ch != L'{' || escaped )
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{
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// Ok, it's not it.
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--stringPos;
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if ( escaped )
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{
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--stringPos;
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escaped = false;
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}
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ch = L'{';
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}
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else
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{
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// Skip the comment's body
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for( ; ; )
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{
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nextChar();
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// Is it the end?
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if ( ch == L'}' && !escaped )
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{
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nextChar();
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if ( ch == L'}' && !escaped )
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break;
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}
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}
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continue;
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}
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} // if ( ch == '{' )
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// If we're here, we've got a normal symbol, to be saved as text.
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// If there's currently no text node, open one
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if ( !textNode )
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{
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Node text = Node( Node::Text(), wstring() );
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if ( stack.empty() )
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{
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root.push_back( text );
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stack.push_back( &root.back() );
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}
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else
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{
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stack.back()->push_back( text );
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stack.push_back( &stack.back()->back() );
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}
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textNode = stack.back();
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}
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// If we're inside the transcription, do old-encoding conversion
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if ( transcriptionCount )
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{
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switch ( ch )
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{
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case 0x2021: ch = 0xE6; break;
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case 0x407: ch = 0x72; break;
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case 0xB0: ch = 0x6B; break;
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case 0x20AC: ch = 0x254; break;
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case 0x404: ch = 0x7A; break;
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case 0x40F: ch = 0x283; break;
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case 0xAB: ch = 0x74; break;
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case 0xAC: ch = 0x64; break;
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case 0x2020: ch = 0x259; break;
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case 0x490: ch = 0x6D; break;
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case 0xA7: ch = 0x66; break;
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case 0xAE: ch = 0x6C; break;
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case 0xB1: ch = 0x67; break;
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case 0x45E: ch = 0x65; break;
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case 0xAD: ch = 0x6E; break;
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case 0xA9: ch = 0x73; break;
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case 0xA6: ch = 0x77; break;
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case 0x2026: ch = 0x28C; break;
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case 0x452: ch = 0x76; break;
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case 0x408: ch = 0x70; break;
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case 0x40C: ch = 0x75; break;
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case 0x406: ch = 0x68; break;
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case 0xB5: ch = 0x61; break;
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case 0x491: ch = 0x25B; break;
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case 0x40A: ch = 0x14B; break;
|
|
case 0x2030: ch = 0xF0; break;
|
|
case 0x456: ch = 0x6A; break;
|
|
case 0xA4: ch = 0x62; break;
|
|
case 0x409: ch = 0x292; break;
|
|
case 0x40E: ch = 0x69; break;
|
|
//case 0x44D: ch = 0x131; break;
|
|
case 0x40B: ch = 0x4E8; break;
|
|
case 0xB6: ch = 0x28A; break;
|
|
case 0x2018: ch = 0x251; break;
|
|
case 0x457: ch = 0x265; break;
|
|
case 0x458: ch = 0x153; break;
|
|
case 0x405: textNode->text.push_back( 0x153 ); ch = 0x303; break;
|
|
case 0x441: ch = 0x272; break;
|
|
case 0x442: textNode->text.push_back( 0x254 ); ch = 0x303; break;
|
|
case 0x443: ch = 0xF8; break;
|
|
case 0x445: textNode->text.push_back(0x25B ); ch = 0x303; break;
|
|
case 0x446: ch = 0xE7; break;
|
|
case 0x44C: textNode->text.push_back( 0x251 ); ch = 0x303; break;
|
|
case 0x44D: ch = 0x26A; break;
|
|
case 0x44F: ch = 0x252; break;
|
|
case 0x30: ch = 0x3B2; break;
|
|
case 0x31: textNode->text.push_back( 0x65 ); ch = 0x303; break;
|
|
case 0x32: ch = 0x25C; break;
|
|
case 0x33: ch = 0x129; break;
|
|
case 0x34: ch = 0xF5; break;
|
|
case 0x36: ch = 0x28E; break;
|
|
case 0x37: ch = 0x263; break;
|
|
case 0x38: ch = 0x1DD; break;
|
|
case 0x3A: ch = 0x2D0; break;
|
|
case 0x27: ch = 0x2C8; break;
|
|
case 0x455: ch = 0x1D0; break;
|
|
case 0xB7: ch = 0xE3; break;
|
|
|
|
case 0x00a0: ch = 0x02A7; break;
|
|
//case 0x00b1: ch = 0x0261; break;
|
|
case 0x0402: textNode->text.push_back( 0x0069 ); ch = L':'; break;
|
|
case 0x0403: textNode->text.push_back( 0x0251 ); ch = L':'; break;
|
|
//case 0x040b: ch = 0x03b8; break;
|
|
//case 0x040e: ch = 0x026a; break;
|
|
case 0x0428: ch = 0x0061; break;
|
|
case 0x0453: textNode->text.push_back( 0x0075 ); ch = L':'; break;
|
|
case 0x201a: ch = 0x0254; break;
|
|
case 0x201e: ch = 0x0259; break;
|
|
case 0x2039: textNode->text.push_back( 0x0064 ); ch = 0x0292; break;
|
|
}
|
|
}
|
|
|
|
if ( escaped && ch == L' ' && mediaCount == 0 )
|
|
ch = 0xA0; // Escaped spaces turn into non-breakable ones in Lingvo
|
|
|
|
textNode->text.push_back( ch );
|
|
} // for( ; ; )
|
|
}
|
|
catch( eot )
|
|
{
|
|
}
|
|
|
|
if ( textNode )
|
|
stack.pop_back();
|
|
|
|
if ( stack.size() )
|
|
{
|
|
GD_FDPRINTF( stderr, "Warning: %u tags were unclosed.\n", (unsigned) stack.size() );
|
|
}
|
|
}
|
|
|
|
void ArticleDom::openTag( wstring const & name,
|
|
wstring const & attrs,
|
|
list<Node *> &stack )
|
|
{
|
|
list< Node > nodesToReopen;
|
|
|
|
if( name == GD_NATIVE_TO_WS( L"m" ) || checkM( name, GD_NATIVE_TO_WS( L"m" ) ) )
|
|
{
|
|
// All tags above [m] tag will be closed and reopened after
|
|
// to avoid break this tag by closing some other tag.
|
|
|
|
while( stack.size() )
|
|
{
|
|
nodesToReopen.push_back( Node( Node::Tag(), stack.back()->tagName,
|
|
stack.back()->tagAttrs ) );
|
|
|
|
if ( stack.back()->empty() )
|
|
{
|
|
// Empty nodes are deleted since they're no use
|
|
|
|
stack.pop_back();
|
|
|
|
Node * parent = stack.size() ? stack.back() : &root;
|
|
|
|
parent->pop_back();
|
|
}
|
|
else
|
|
stack.pop_back();
|
|
}
|
|
}
|
|
|
|
// Add tag
|
|
|
|
Node node( Node::Tag(), name, attrs );
|
|
|
|
if ( stack.empty() )
|
|
{
|
|
root.push_back( node );
|
|
stack.push_back( &root.back() );
|
|
}
|
|
else
|
|
{
|
|
stack.back()->push_back( node );
|
|
stack.push_back( &stack.back()->back() );
|
|
}
|
|
|
|
// Reopen tags if needed
|
|
|
|
while( nodesToReopen.size() )
|
|
{
|
|
if ( stack.empty() )
|
|
{
|
|
root.push_back( nodesToReopen.back() );
|
|
stack.push_back( &root.back() );
|
|
}
|
|
else
|
|
{
|
|
stack.back()->push_back( nodesToReopen.back() );
|
|
stack.push_back( &stack.back()->back() );
|
|
}
|
|
|
|
nodesToReopen.pop_back();
|
|
}
|
|
|
|
}
|
|
|
|
void ArticleDom::closeTag( wstring const & name,
|
|
list< Node * > & stack,
|
|
bool warn )
|
|
{
|
|
// Find the tag which is to be closed
|
|
|
|
list< Node * >::reverse_iterator n;
|
|
|
|
for( n = stack.rbegin(); n != stack.rend(); ++n )
|
|
{
|
|
if ( (*n)->tagName == name || checkM( (*n)->tagName, name ) )
|
|
{
|
|
// Found it
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( n != stack.rend() )
|
|
{
|
|
// If there is a corresponding tag, close all tags above it,
|
|
// then close the tag itself, then reopen all the tags which got
|
|
// closed.
|
|
|
|
list< Node > nodesToReopen;
|
|
|
|
while( stack.size() )
|
|
{
|
|
bool found = stack.back()->tagName == name ||
|
|
checkM( stack.back()->tagName, name );
|
|
|
|
if ( !found )
|
|
nodesToReopen.push_back( Node( Node::Tag(), stack.back()->tagName,
|
|
stack.back()->tagAttrs ) );
|
|
|
|
if ( stack.back()->empty() && stack.back()->tagName != GD_NATIVE_TO_WS( L"br" ) )
|
|
{
|
|
// Empty nodes except [br] tag are deleted since they're no use
|
|
|
|
stack.pop_back();
|
|
|
|
Node * parent = stack.size() ? stack.back() : &root;
|
|
|
|
parent->pop_back();
|
|
}
|
|
else
|
|
stack.pop_back();
|
|
|
|
if ( found )
|
|
break;
|
|
}
|
|
|
|
while( nodesToReopen.size() )
|
|
{
|
|
if ( stack.empty() )
|
|
{
|
|
root.push_back( nodesToReopen.back() );
|
|
stack.push_back( &root.back() );
|
|
}
|
|
else
|
|
{
|
|
stack.back()->push_back( nodesToReopen.back() );
|
|
stack.push_back( &stack.back()->back() );
|
|
}
|
|
|
|
nodesToReopen.pop_back();
|
|
}
|
|
}
|
|
else
|
|
if ( warn )
|
|
{
|
|
if( !dictionaryName.empty() )
|
|
gdWarning( "No corresponding opening tag for closing tag \"%s\" found in \"%s\", article \"%s\".",
|
|
gd::toQString( name ).toUtf8().data(), dictionaryName.c_str(),
|
|
gd::toQString( headword ).toUtf8().data() );
|
|
else
|
|
gdWarning( "No corresponding opening tag for closing tag \"%s\" found.",
|
|
gd::toQString( name ).toUtf8().data() );
|
|
}
|
|
}
|
|
|
|
void ArticleDom::nextChar() THROW_SPEC( eot )
|
|
{
|
|
if ( !*stringPos )
|
|
throw eot();
|
|
|
|
ch = *stringPos++;
|
|
|
|
if ( ch == L'\\' )
|
|
{
|
|
if ( !*stringPos )
|
|
throw eot();
|
|
|
|
ch = *stringPos++;
|
|
|
|
escaped = true;
|
|
}
|
|
else
|
|
if ( ch == L'[' && *stringPos == L'[' )
|
|
{
|
|
++stringPos;
|
|
escaped = true;
|
|
}
|
|
else
|
|
if ( ch == L']' && *stringPos == L']' )
|
|
{
|
|
++stringPos;
|
|
escaped = true;
|
|
}
|
|
else
|
|
escaped = false;
|
|
|
|
if( ch == '\n' || ch == '\r' )
|
|
lineStartPos = stringPos;
|
|
}
|
|
|
|
bool ArticleDom::atSignFirstInLine()
|
|
{
|
|
// Check if '@' sign is first after '\n', leading spaces and dsl tags
|
|
if( stringPos <= lineStartPos )
|
|
return true;
|
|
|
|
return isAtSignFirst( wstring( lineStartPos ) );
|
|
}
|
|
|
|
/////////////// DslScanner
|
|
|
|
DslScanner::DslScanner( string const & fileName ) THROW_SPEC( Ex, Iconv::Ex ):
|
|
encoding( Windows1252 ), iconv( encoding ), readBufferPtr( readBuffer ),
|
|
readBufferLeft( 0 ), wcharBuffer( 64 ), linesRead( 0 )
|
|
{
|
|
// Since .dz is backwards-compatible with .gz, we use gz- functions to
|
|
// read it -- they are much nicer than the dict_data- ones.
|
|
|
|
f = gd_gzopen( fileName.c_str() );
|
|
if ( !f )
|
|
throw exCantOpen( fileName );
|
|
|
|
// Now try guessing the encoding by reading the first two bytes
|
|
|
|
unsigned char firstBytes[ 2 ];
|
|
|
|
if ( gzread( f, firstBytes, sizeof( firstBytes ) ) != sizeof( firstBytes ) )
|
|
{
|
|
// Apparently the file's too short
|
|
gzclose( f );
|
|
throw exMalformedDslFile( fileName );
|
|
}
|
|
|
|
bool needExactEncoding = false;
|
|
|
|
|
|
// If the file begins with the dedicated Unicode marker, we just consume
|
|
// it. If, on the other hand, it's not, we return the bytes back
|
|
if ( firstBytes[ 0 ] == 0xFF && firstBytes[ 1 ] == 0xFE )
|
|
encoding = Utf16LE;
|
|
else
|
|
if ( firstBytes[ 0 ] == 0xFE && firstBytes[ 1 ] == 0xFF )
|
|
encoding = Utf16BE;
|
|
else
|
|
if ( firstBytes[ 0 ] == 0xEF && firstBytes[ 1 ] == 0xBB )
|
|
{
|
|
// Looks like Utf8, read one more byte
|
|
if ( gzread( f, firstBytes, 1 ) != 1 || firstBytes[ 0 ] != 0xBF )
|
|
{
|
|
// Either the file's too short, or the BOM is weird
|
|
gzclose( f );
|
|
throw exMalformedDslFile( fileName );
|
|
}
|
|
|
|
encoding = Utf8;
|
|
}
|
|
else
|
|
{
|
|
if ( firstBytes[ 0 ] && !firstBytes[ 1 ] )
|
|
encoding = Utf16LE;
|
|
else
|
|
if ( !firstBytes[ 0 ] && firstBytes[ 1 ] )
|
|
encoding = Utf16BE;
|
|
else
|
|
{
|
|
// Ok, this doesn't look like 16-bit Unicode. We will start with a
|
|
// 8-bit encoding with an intent to find out the exact one from
|
|
// the header.
|
|
needExactEncoding = true;
|
|
encoding = Windows1251;
|
|
}
|
|
|
|
if ( gzrewind( f ) )
|
|
{
|
|
gzclose( f );
|
|
throw exCantOpen( fileName );
|
|
}
|
|
}
|
|
|
|
iconv.reinit( encoding );
|
|
|
|
// We now can use our own readNextLine() function
|
|
|
|
wstring str;
|
|
size_t offset;
|
|
|
|
for( ; ; )
|
|
{
|
|
if ( !readNextLine( str, offset ) )
|
|
{
|
|
gzclose( f );
|
|
throw exMalformedDslFile( fileName );
|
|
}
|
|
|
|
if ( str.empty() || str[ 0 ] != L'#' )
|
|
break;
|
|
|
|
bool isName = false;
|
|
bool isLangFrom = false;
|
|
bool isLangTo = false;
|
|
bool isSoundDict = false;
|
|
|
|
if ( !str.compare( 0, 5, GD_NATIVE_TO_WS( L"#NAME" ), 5 ) )
|
|
isName = true;
|
|
else
|
|
if ( !str.compare( 0, 15, GD_NATIVE_TO_WS( L"#INDEX_LANGUAGE" ), 15 ) )
|
|
isLangFrom = true;
|
|
else
|
|
if ( !str.compare( 0, 18, GD_NATIVE_TO_WS( L"#CONTENTS_LANGUAGE" ), 18 ) )
|
|
isLangTo = true;
|
|
else
|
|
if ( !str.compare( 0, 17, GD_NATIVE_TO_WS( L"#SOUND_DICTIONARY" ), 17 ) )
|
|
isSoundDict = true;
|
|
else
|
|
if ( str.compare( 0, 17, GD_NATIVE_TO_WS( L"#SOURCE_CODE_PAGE" ), 17 ) )
|
|
continue;
|
|
|
|
// Locate the argument
|
|
|
|
size_t beg = str.find_first_of( L'"' );
|
|
|
|
if ( beg == wstring::npos )
|
|
throw exMalformedDslFile( fileName );
|
|
|
|
size_t end = str.find_last_of( L'"' );
|
|
|
|
if ( end == beg )
|
|
throw exMalformedDslFile( fileName );
|
|
|
|
wstring arg( str, beg + 1, end - beg - 1 );
|
|
|
|
if ( isName )
|
|
dictionaryName = arg;
|
|
else if ( isLangFrom )
|
|
langFrom = arg;
|
|
else if ( isLangTo )
|
|
langTo = arg;
|
|
else if ( isSoundDict )
|
|
soundDictionary = arg;
|
|
else
|
|
{
|
|
// The encoding
|
|
if ( !needExactEncoding )
|
|
{
|
|
// We don't need that!
|
|
GD_FDPRINTF( stderr, "Warning: encoding was specified in a Unicode file, ignoring.\n" );
|
|
}
|
|
else
|
|
if ( !wcscasecmp( arg.c_str(), GD_NATIVE_TO_WS( L"Latin" ) ) )
|
|
encoding = Windows1252;
|
|
else
|
|
if ( !wcscasecmp( arg.c_str(), GD_NATIVE_TO_WS( L"Cyrillic" ) ) )
|
|
encoding = Windows1251;
|
|
else
|
|
if ( !wcscasecmp( arg.c_str(), GD_NATIVE_TO_WS( L"EasternEuropean" ) ) )
|
|
encoding = Windows1250;
|
|
else
|
|
{
|
|
gzclose( f );
|
|
throw exUnknownCodePage();
|
|
}
|
|
}
|
|
}
|
|
|
|
// The loop will always end up reading a line which was not a #-directive.
|
|
// We need to rewind to that line so readNextLine() would return it again
|
|
// next time it's called. To do that, we just use the slow gzseek() and
|
|
// empty the read buffer.
|
|
if( gzdirect( f ) ) // Without this ZLib 1.2.7 gzread() return 0
|
|
gzrewind( f ); // after gzseek() call on uncompressed files
|
|
gzseek( f, offset, SEEK_SET );
|
|
readBufferPtr = readBuffer;
|
|
readBufferLeft = 0;
|
|
|
|
if ( needExactEncoding )
|
|
iconv.reinit( encoding );
|
|
}
|
|
|
|
DslScanner::~DslScanner() throw()
|
|
{
|
|
gzclose( f );
|
|
}
|
|
|
|
bool DslScanner::readNextLine( wstring & out, size_t & offset ) THROW_SPEC( Ex,
|
|
Iconv::Ex )
|
|
{
|
|
offset = (size_t)( gztell( f ) - readBufferLeft );
|
|
|
|
// For now we just read one char at a time
|
|
size_t readMultiple = distanceToBytes( 1 );
|
|
|
|
size_t leftInOut = wcharBuffer.size();
|
|
|
|
wchar * outPtr = &wcharBuffer.front();
|
|
|
|
for( ; ; )
|
|
{
|
|
// Check that we have bytes to read
|
|
if ( readBufferLeft < 4 ) // To convert one char, we need at most 4 bytes
|
|
{
|
|
if ( !gzeof( f ) )
|
|
{
|
|
// To avoid having to deal with ring logic, we move the remaining bytes
|
|
// to the beginning
|
|
memmove( readBuffer, readBufferPtr, readBufferLeft );
|
|
|
|
// Read some more bytes to readBuffer
|
|
int result = gzread( f, readBuffer + readBufferLeft,
|
|
sizeof( readBuffer ) - readBufferLeft );
|
|
|
|
if ( result == -1 )
|
|
throw exCantReadDslFile();
|
|
|
|
readBufferPtr = readBuffer;
|
|
readBufferLeft += (size_t) result;
|
|
}
|
|
}
|
|
|
|
if ( readBufferLeft < readMultiple )
|
|
{
|
|
// No more data. Return what we've got so far, forget the last byte if
|
|
// it was a 16-bit Unicode and a file had an odd number of bytes.
|
|
readBufferLeft = 0;
|
|
|
|
if ( outPtr != &wcharBuffer.front() )
|
|
{
|
|
// If there was a stray \r, remove it
|
|
if ( outPtr[ -1 ] == L'\r' )
|
|
--outPtr;
|
|
|
|
out = wstring( &wcharBuffer.front(), outPtr - &wcharBuffer.front() );
|
|
|
|
++linesRead;
|
|
|
|
return true;
|
|
}
|
|
else
|
|
return false;
|
|
}
|
|
|
|
// Check that we have chars to write
|
|
if ( leftInOut < 2 ) // With 16-bit wchars, 2 is needed for a surrogate pair
|
|
{
|
|
wcharBuffer.resize( wcharBuffer.size() + 64 );
|
|
outPtr = &wcharBuffer.front() + wcharBuffer.size() - 64 - leftInOut;
|
|
leftInOut += 64;
|
|
}
|
|
|
|
// Ok, now convert one char
|
|
size_t outBytesLeft = sizeof( wchar );
|
|
|
|
Iconv::Result r =
|
|
iconv.convert( (void const *&)readBufferPtr, readBufferLeft,
|
|
(void *&)outPtr, outBytesLeft );
|
|
|
|
if ( r == Iconv::NeedMoreOut && outBytesLeft == sizeof( wchar ) )
|
|
{
|
|
// Seems to be a surrogate pair with a 16-bit target wchar
|
|
|
|
outBytesLeft *= 2;
|
|
r = iconv.convert( (void const *&)readBufferPtr, readBufferLeft,
|
|
(void *&)outPtr, outBytesLeft );
|
|
--leftInOut; // Complements the next decremention
|
|
}
|
|
|
|
if ( outBytesLeft )
|
|
throw exEncodingError();
|
|
|
|
--leftInOut;
|
|
|
|
// Have we got \n?
|
|
if ( outPtr[ -1 ] == L'\n' )
|
|
{
|
|
--outPtr;
|
|
|
|
// Now kill a \r if there is one, and return the result.
|
|
if ( outPtr != &wcharBuffer.front() && outPtr[ -1 ] == L'\r' )
|
|
--outPtr;
|
|
|
|
out = wstring( &wcharBuffer.front(), outPtr - &wcharBuffer.front() );
|
|
|
|
++linesRead;
|
|
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool DslScanner::readNextLineWithoutComments( wstring & out, size_t & offset )
|
|
THROW_SPEC( Ex, Iconv::Ex )
|
|
{
|
|
wstring str;
|
|
bool commentToNextLine = false;
|
|
size_t currentOffset;
|
|
|
|
out.erase();
|
|
offset = 0;
|
|
|
|
do
|
|
{
|
|
bool b = readNextLine( str, currentOffset );
|
|
|
|
if( offset == 0 )
|
|
offset = currentOffset;
|
|
|
|
if( !b )
|
|
return false;
|
|
|
|
stripComments( str, commentToNextLine);
|
|
|
|
out += str;
|
|
}
|
|
while( commentToNextLine );
|
|
|
|
return true;
|
|
}
|
|
|
|
/////////////// DslScanner
|
|
|
|
DslIconv::DslIconv( DslEncoding e ) THROW_SPEC( Iconv::Ex ):
|
|
Iconv( Iconv::GdWchar, getEncodingNameFor( e ) )
|
|
{
|
|
}
|
|
|
|
void DslIconv::reinit( DslEncoding e ) THROW_SPEC( Iconv::Ex )
|
|
{
|
|
Iconv::reinit( Iconv::GdWchar, getEncodingNameFor( e ) );
|
|
}
|
|
|
|
char const * DslIconv::getEncodingNameFor( DslEncoding e )
|
|
{
|
|
switch( e )
|
|
{
|
|
case Utf16LE:
|
|
return "UTF-16LE";
|
|
case Utf16BE:
|
|
return "UTF-16BE";
|
|
case Windows1252:
|
|
return "WINDOWS-1252";
|
|
case Windows1251:
|
|
return "WINDOWS-1251";
|
|
case Details::Utf8:
|
|
return "UTF-8";
|
|
case Windows1250:
|
|
default:
|
|
return "WINDOWS-1250";
|
|
}
|
|
}
|
|
|
|
|
|
void processUnsortedParts( wstring & str, bool strip )
|
|
{
|
|
int refCount = 0;
|
|
|
|
size_t startPos = 0;
|
|
|
|
for( size_t x = 0; x < str.size(); )
|
|
{
|
|
wchar ch = str[ x ];
|
|
|
|
if ( ch == L'\\' )
|
|
{
|
|
// Escape code
|
|
x += 2;
|
|
continue;
|
|
}
|
|
|
|
if ( ch == '{' )
|
|
{
|
|
++refCount;
|
|
|
|
if ( !strip )
|
|
{
|
|
// Just remove it and continue
|
|
str.erase( x, 1 );
|
|
continue;
|
|
}
|
|
else
|
|
if ( refCount == 1 )
|
|
{
|
|
// First opening brace. Save this position, we will be erasing the
|
|
// whole range when we encounter the last closing brace.
|
|
startPos = x;
|
|
}
|
|
}
|
|
else
|
|
if ( ch == '}' )
|
|
{
|
|
--refCount;
|
|
|
|
if ( refCount < 0 )
|
|
{
|
|
GD_FDPRINTF( stderr, "Warning: an unmatched closing brace was encountered.\n" );
|
|
refCount = 0;
|
|
// But we remove that thing either way
|
|
str.erase( x, 1 );
|
|
continue;
|
|
}
|
|
|
|
if ( !strip )
|
|
{
|
|
// Just remove it and continue
|
|
str.erase( x, 1 );
|
|
continue;
|
|
}
|
|
else
|
|
if ( !refCount )
|
|
{
|
|
// The final closing brace -- we can erase the whole range now.
|
|
str.erase( startPos, x - startPos + 1 );
|
|
x = startPos;
|
|
|
|
continue;
|
|
}
|
|
}
|
|
|
|
++x;
|
|
}
|
|
|
|
if ( strip && refCount )
|
|
{
|
|
GD_FDPRINTF( stderr, "Warning: unclosed brace(s) encountered.\n" );
|
|
str.erase( startPos );
|
|
}
|
|
}
|
|
|
|
void expandOptionalParts( wstring & str, list< wstring > * result,
|
|
size_t x, bool inside_recurse )
|
|
{
|
|
list< wstring > expanded;
|
|
list< wstring > * headwords;
|
|
headwords = inside_recurse ? result : &expanded;
|
|
|
|
for( ; x < str.size(); )
|
|
{
|
|
wchar ch = str[ x ];
|
|
|
|
if ( ch == L'\\' )
|
|
{
|
|
// Escape code
|
|
x += 2;
|
|
}
|
|
else
|
|
if ( ch == L'(' )
|
|
{
|
|
// First, handle the case where this block is removed
|
|
|
|
{
|
|
int refCount = 1;
|
|
|
|
for( size_t y = x + 1; y < str.size(); ++y )
|
|
{
|
|
wchar ch = str[ y ];
|
|
|
|
if ( ch == L'\\' )
|
|
{
|
|
// Escape code
|
|
++y;
|
|
}
|
|
else
|
|
if ( ch == L'(' )
|
|
++refCount;
|
|
else
|
|
if ( ch == L')' )
|
|
{
|
|
if ( !--refCount )
|
|
{
|
|
// Now that the closing parenthesis is found,
|
|
// cut the whole thing out and be done.
|
|
|
|
if ( y != x + 1 ) // Only do for non-empty cases
|
|
{
|
|
wstring removed( str, 0, x );
|
|
removed.append( str, y + 1, str.size() - y - 1 );
|
|
|
|
expandOptionalParts( removed, headwords, x, true );
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( refCount && x != str.size() - 1 )
|
|
{
|
|
// Closing paren not found? Chop it.
|
|
|
|
wstring removed( str, 0, x );
|
|
|
|
// Limit the amount of results to avoid excessive resource consumption
|
|
if ( headwords->size() < 32 )
|
|
headwords->push_back( removed );
|
|
else
|
|
{
|
|
if( !inside_recurse )
|
|
result->merge( expanded );
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Now, handling the case where it is kept -- we just erase
|
|
// the paren and go on
|
|
|
|
str.erase( x, 1 );
|
|
}
|
|
else
|
|
if ( ch == L')' )
|
|
{
|
|
// Closing paren doesn't mean much -- just erase it
|
|
str.erase( x, 1 );
|
|
}
|
|
else
|
|
++x;
|
|
}
|
|
|
|
// Limit the amount of results to avoid excessive resource consumption
|
|
if ( headwords->size() < 32 )
|
|
headwords->push_back( str );
|
|
if( !inside_recurse )
|
|
result->merge( expanded );
|
|
}
|
|
|
|
static const wstring openBraces( GD_NATIVE_TO_WS( L"{{" ) );
|
|
static const wstring closeBraces( GD_NATIVE_TO_WS( L"}}" ) );
|
|
|
|
void stripComments( wstring & str, bool & nextLine )
|
|
{
|
|
string::size_type n = 0, n2 = 0;
|
|
|
|
for( ; ; )
|
|
{
|
|
if( nextLine )
|
|
{
|
|
n = str.find( closeBraces, n2 );
|
|
if( n == string::npos )
|
|
{
|
|
str.erase( n2, n );
|
|
return;
|
|
}
|
|
str.erase( n2, n - n2 + 2 );
|
|
nextLine = false;
|
|
}
|
|
|
|
n = str.find( openBraces, n2 );
|
|
if( n == string::npos )
|
|
return;
|
|
nextLine = true;
|
|
n2 = n;
|
|
}
|
|
}
|
|
|
|
void expandTildes( wstring & str, wstring const & tildeReplacement )
|
|
{
|
|
wstring tildeValue = Folding::trimWhitespace( tildeReplacement );
|
|
for( size_t x = 0; x < str.size(); )
|
|
if ( str[ x ] == L'\\' )
|
|
x+=2;
|
|
else
|
|
if ( str[ x ] == L'~' )
|
|
{
|
|
if( x > 0 && str[ x - 1 ] == '^' && ( x < 2 || str[ x - 2 ] != '\\' ) )
|
|
{
|
|
str.replace( x - 1, 2, tildeValue );
|
|
str[ x - 1 ] = QChar( str[ x - 1 ] ).isUpper() ? QChar::toLower( (uint)str[ x - 1 ] )
|
|
: QChar::toUpper( (uint)str[ x - 1 ] );
|
|
x = x - 1 + tildeValue.size();
|
|
}
|
|
else
|
|
{
|
|
str.replace( x, 1, tildeValue );
|
|
x += tildeValue.size();
|
|
}
|
|
}
|
|
else
|
|
++x;
|
|
}
|
|
|
|
void unescapeDsl( wstring & str )
|
|
{
|
|
for( size_t x = 0; x < str.size(); ++x )
|
|
if ( str[ x ] == L'\\' )
|
|
str.erase( x, 1 ); // ++x would skip the next char without processing it
|
|
}
|
|
|
|
void normalizeHeadword( wstring & str )
|
|
{
|
|
for( size_t x = str.size(); x-- > 1; ) // >1 -- Don't test the first char
|
|
{
|
|
if ( str[ x ] == L' ' )
|
|
{
|
|
size_t y;
|
|
for( y = x; y && ( str[ y - 1 ] == L' ' ) ; --y );
|
|
|
|
if ( y != x )
|
|
{
|
|
// Remove extra spaces
|
|
|
|
str.erase( y, x - y );
|
|
|
|
x = y;
|
|
}
|
|
}
|
|
}
|
|
if( !str.empty() && str[ str.size() - 1 ] == L' ' )
|
|
str.erase( str.size() - 1, 1 );
|
|
if( !str.empty() && str[ 0 ] == L' ' )
|
|
str.erase( 0, 1 );
|
|
}
|
|
|
|
namespace
|
|
{
|
|
void cutEnding( wstring & where, wstring const & ending )
|
|
{
|
|
if ( where.size() > ending.size() &&
|
|
where.compare( where.size() - ending.size(),
|
|
ending.size(), ending ) == 0 )
|
|
where.erase( where.size() - ending.size() );
|
|
}
|
|
}
|
|
|
|
quint32 dslLanguageToId( wstring const & name )
|
|
{
|
|
static wstring newSp( GD_NATIVE_TO_WS( L"newspelling" ) );
|
|
static wstring st( GD_NATIVE_TO_WS( L"standard" ) );
|
|
static wstring ms( GD_NATIVE_TO_WS( L"modernsort" ) );
|
|
static wstring ts( GD_NATIVE_TO_WS( L"traditionalsort" ) );
|
|
static wstring prc( GD_NATIVE_TO_WS( L"prc" ) );
|
|
|
|
// Any of those endings are to be removed
|
|
|
|
wstring nameStripped = Folding::apply( name );
|
|
|
|
cutEnding( nameStripped, newSp );
|
|
cutEnding( nameStripped, st );
|
|
cutEnding( nameStripped, ms );
|
|
cutEnding( nameStripped, ts );
|
|
cutEnding( nameStripped, prc );
|
|
|
|
return LangCoder::findIdForLanguage( nameStripped );
|
|
}
|
|
|
|
}
|
|
}
|