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128 lines
4.4 KiB
128 lines
4.4 KiB
/***************************************************************************
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* Copyright (C) 2004-2009 by Thomas Fischer *
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* fischer@unix-ag.uni-kl.de *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#include <ntqregexp.h>
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#include "encoderxml.h"
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namespace BibTeX
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{
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EncoderXML *encoderXML = NULL;
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static const struct EncoderXMLCharMapping
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{
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const char *regexp;
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unsigned int unicode;
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const char *latex;
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}
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charmappingdataxml[] =
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{
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{"&", 0x0026, "&"},
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{"<", 0x003C, "<"},
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{">", 0x003E, ">"}
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};
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static const int charmappingdataxmlcount = sizeof( charmappingdataxml ) / sizeof( charmappingdataxml[ 0 ] ) ;
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EncoderXML::EncoderXML()
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: Encoder()
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{
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buildCharMapping();
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}
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EncoderXML::~EncoderXML()
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{
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// nothing
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}
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TQString EncoderXML::decode( const TQString &text )
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{
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TQString result = text;
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for ( TQValueList<CharMappingItem>::ConstIterator it = m_charMapping.begin(); it != m_charMapping.end(); ++it )
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result.replace(( *it ).regExp, ( *it ).unicode );
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/**
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* Find and replace all characters written as hexadecimal number
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*/
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int p = -1;
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while (( p = result.find( "&#x", p + 1 ) ) >= 0 )
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{
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int p2 = result.find( ";", p + 1 );
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if ( p2 < 0 ) break;
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bool ok = FALSE;
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int hex = result.mid( p + 3, p2 - p - 3 ).toInt( &ok, 16 );
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if ( ok && hex > 0 )
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result.replace( result.mid( p, p2 - p + 1 ), TQChar( hex ) );
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}
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/**
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* Find and replace all characters written as decimal number
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*/
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p = -1;
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while (( p = result.find( "&#", p + 1 ) ) >= 0 )
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{
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int p2 = result.find( ";", p + 1 );
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if ( p2 < 0 ) break;
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bool ok = FALSE;
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int dec = result.mid( p + 2, p2 - p - 2 ).toInt( &ok, 10 );
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if ( ok && dec > 0 )
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result.replace( result.mid( p, p2 - p + 1 ), TQChar( dec ) );
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}
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return result;
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}
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TQString EncoderXML::encode( const TQString &text )
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{
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TQString result = text;
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for ( TQValueList<CharMappingItem>::ConstIterator it = m_charMapping.begin(); it != m_charMapping.end(); ++it )
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result.replace(( *it ).unicode, ( *it ).latex );
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return result;
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}
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TQString EncoderXML::encodeSpecialized( const TQString &text, const EntryField::FieldType /* fieldType */ )
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{
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return encode( text );
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}
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void EncoderXML::buildCharMapping()
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{
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for ( int i = 0; i < charmappingdataxmlcount; i++ )
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{
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CharMappingItem charMappingItem;
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charMappingItem.regExp = TQRegExp( charmappingdataxml[ i ].regexp );
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charMappingItem.unicode = TQChar( charmappingdataxml[ i ].unicode );
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charMappingItem.latex = TQString( charmappingdataxml[ i ].latex );
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m_charMapping.append( charMappingItem );
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}
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}
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EncoderXML *EncoderXML::currentEncoderXML()
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{
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if ( encoderXML == NULL )
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encoderXML = new EncoderXML();
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return encoderXML;
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}
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}
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