C:/development/RenderTools/src/factory/Factory.cpp

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#include "Factory.h"
#include "XMLNode.h"
#include "Error.h"
#include "Application.h"

namespace RenderTools {

map< string, FactoryFunc > Factory::s_classes;

PropertyPtr Factory::create( const XMLNodePtr & xml ){
        map< string, FactoryFunc >::iterator i;
        if( xml ){
                i = s_classes.find( xml->getAttrib<string>( "type" ) );
                if( i != s_classes.end() ){
                        if( PropertyPtr p = i->second( xml ) ){
                                return( p );
                        }
                }
                else{
                        string error = string("trying to create unregistered class \"") + xml->getTagName() + string("\"");
                        Error::error( Error::NULL_POINTER, __FILE__, __LINE__, error );
                }
                Error::error( Error::NULL_POINTER, __FILE__, __LINE__ );
                return( PropertyPtr() );
        }
        Error::warning( Error::NULL_POINTER, __FILE__, __LINE__ );
        return( PropertyPtr() );
}

void Factory::registerClass( string className, FactoryFunc func ){
        s_classes[ className ] = func;
}

bool Factory::isRegisteredClass( string className ){
        return( s_classes.find( className ) != s_classes.end() );
}

}; // namespace

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