OfxhPluginBinary.cpp

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#include "OfxhPluginBinary.hpp"
#include "OfxhPluginCache.hpp"

#include <tuttle/host/exceptions.hpp>

namespace tuttle {
namespace host {
namespace ofx {

/**
 * @brief try to open the plugin bundle object and query it for plugins
 */
void OfxhPluginBinary::loadPluginInfo( OfxhPluginCache* cache )
{
        _fileModificationTime = _binary.getTime();
        _fileSize             = _binary.getSize();
        _binaryChanged        = false;

        _binary.load();

        int ( *getNo )( void )       = ( int( * ) () )_binary.findSymbol( "OfxGetNumberOfPlugins" );
        OfxPlugin* ( *getPlug )(int) = ( OfxPlugin * ( * )( int ) )_binary.findSymbol( "OfxGetPlugin" );

        if( getNo == 0 || getPlug == 0 )
        {
                _binary.setInvalid( true );
        }
        else
        {
                int pluginCount = ( *getNo )( );

                _plugins.clear();
                _plugins.reserve( pluginCount );

                for( int i = 0; i < pluginCount; ++i )
                {
                        OfxPlugin& plug = *( *getPlug )( i );

                        APICache::OfxhPluginAPICacheI* api = cache->findApiHandler( plug.pluginApi, plug.apiVersion );
                        assert( api );

                        OfxhPlugin* newPlug = api->newPlugin( *this, i, plug );
                        if( newPlug == NULL )
                        {
                                BOOST_THROW_EXCEPTION( exception::Unknown()
                                    << exception::dev( "Error creating a new OfxhPlugin." )
                                    << exception::pluginIdentifier( plug.pluginIdentifier )
                                    << exception::ofxApi( plug.pluginApi )
                                    << exception::filename( _binary.getBinaryPath() ) );
                        }
                        _plugins.push_back( newPlug );
                }
        }
        _binary.unload();
}

OfxhPluginBinary::~OfxhPluginBinary()
{}

}
}
}