xml-copy-editor-code/src/xmlprodnote.cpp

150 lines
3.6 KiB
C++

/*
* Copyright 2005-2007 Gerald Schmidt.
*
* This file is part of Xml Copy Editor.
*
* Xml Copy Editor is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* Xml Copy Editor 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Xml Copy Editor; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <string>
#include <vector>
#include <stdexcept>
#include <expat.h>
#include <cstring>
#include "xmlprodnote.h"
XmlProdnote::XmlProdnote (
bool parseDeclaration,
bool expandInternalEntities,
size_t size ) :
d ( new ProdnoteData() )
{
d->buffer.reserve ( size );
XML_SetUserData ( p, d.get() );
// parse declaration?
if ( parseDeclaration )
XML_SetXmlDeclHandler ( p, xmldeclhandler );
// internal entities
if ( expandInternalEntities )
XML_SetDefaultHandlerExpand ( p, defaulthandler );
else
XML_SetDefaultHandler ( p, defaulthandler );
XML_SetElementHandler ( p, start, end );
d->level = 100;
}
XmlProdnote::~XmlProdnote()
{}
void XMLCALL XmlProdnote::xmldeclhandler (
void *data,
const XML_Char *version,
const XML_Char *encoding,
int standalone )
{
ProdnoteData *d;
d = ( ProdnoteData * ) data;
d->encoding = ( encoding ) ? encoding : "UTF-8";
d->buffer.append ( "<?xml version=\"" );
d->buffer.append ( version );
d->buffer.append ( "\" encoding=\"" );
d->buffer.append ( d->encoding );
d->buffer.append ( "\"" );
if ( standalone != -1 )
{
d->buffer.append ( " standalone=\"" );
d->buffer.append ( ( standalone == 1 ) ? "yes" : "no" );
d->buffer.append ( "\"" );
}
d->buffer.append ( "?>" );
}
void XMLCALL XmlProdnote::defaulthandler (
void *data,
const XML_Char *s,
int len )
{
ProdnoteData *d;
d = ( ProdnoteData * ) data;
d->buffer.append ( s, len );
}
void XMLCALL XmlProdnote::start ( void *data,
const XML_Char *el,
const XML_Char **attr )
{
ProdnoteData *pd;
pd = ( ProdnoteData * ) data;
pd->level += 1;
bool skip = false;
std::string tag;
tag += "<";
tag += el;
for ( ; *attr; attr += 2 )
{
tag += " ";
tag += *attr;
tag += "=\"";
tag += *(attr + 1);
tag += "\"";
if ( !strcmp ( el, "span" ) && !strcmp (*attr, "class") )
{
if ( !strcmp ( *(attr + 1), "optional-prodnote" ) ||
!strcmp ( *(attr + 1), "required-prodnote" ) )
{
skip = true;
pd->level = 1;
break;
}
}
}
tag += ">";
if ( skip )
{
return;
}
pd->buffer += tag;
}
void XMLCALL XmlProdnote::end ( void *data, const XML_Char *el )
{
ProdnoteData *pd;
pd = ( ProdnoteData * ) data;
pd->level -= 1;
if ( !(pd->level) && !strcmp ( el, "span" ) )
{
pd->level = 100;
return;
}
pd->buffer += "</";
pd->buffer += el;
pd->buffer += ">";
}