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

/* 
 * 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; version 2 of the License.
 * 
 * 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 "xsllocator.h"

XslLocator::XslLocator() : d ( new XslLocatorData() )
{
    d->parser = p;
    XML_SetUserData ( p, d.get() );
    XML_SetProcessingInstructionHandler ( p, processingInstructionHandler );
}

XslLocator::~XslLocator()
{}

void XMLCALL XslLocator::processingInstructionHandler (
    void *userData,
    const XML_Char *target,
    const XML_Char *data )
{
    XslLocatorData *d;
    d = ( XslLocatorData * ) userData;

    if ( strcmp ( target, "xml-stylesheet" ) )
        return;

    char *value, *iterator;
    value = strstr ( ( const char * ) data, "href=" );
    if ( !value || strlen ( value ) < 7 )
        return;
    value += 6;
    iterator = value;
    for ( iterator = value; *iterator; ++iterator )
    {
        if ( *iterator == '"' || *iterator == '\'' )
        {
            *iterator = '\0';
            break;
        }
    }

    d->xslLocation = value;
    XML_StopParser ( d->parser, false );
}


std::string XslLocator::getXslLocation()
{
    return d->xslLocation;
}