#include <string>
#include <vector>
#include <stdexcept>
#include <expat.h>
#include "xmlschemalocator.h"

XmlSchemaLocator::XmlSchemaLocator() :
        WrapExpat ( true ), d ( new SchemaLocatorData() )
{
    d->parser = p;
    XML_SetUserData ( p, d.get() );
    XML_SetStartElementHandler ( p, starthandler );
}

XmlSchemaLocator::~XmlSchemaLocator()
{}

void XMLCALL XmlSchemaLocator::starthandler (
    void *data,
    const XML_Char *el,
    const XML_Char **attr )
{
    SchemaLocatorData *d;
    d = ( SchemaLocatorData * ) data;

    while ( *attr )
    {
        if (
            !strcmp ( *attr, "http://www.w3.org/2001/XMLSchema-instance:noNamespaceSchemaLocation" ) ||
            !strcmp ( *attr, "http://www.w3.org/2001/XMLSchema-instance:schemaLocation" ) )
        {
            d->schemaLocation = * ( attr + 1 );
            XML_StopParser ( d->parser, false );
        }
        attr += 2;
    }
}

std::string XmlSchemaLocator::getSchemaLocation()
{
    return d->schemaLocation;
}