1 files changed, 106 insertions, 0 deletions
diff --git a/XMPFiles/source/PluginHandler/FileHandlerInstance.cpp b/XMPFiles/source/PluginHandler/FileHandlerInstance.cpp
new file mode 100644
index 0000000..42de1a4
--- /dev/null
+++ b/XMPFiles/source/PluginHandler/FileHandlerInstance.cpp
@@ -0,0 +1,106 @@
+// =================================================================================================
+// ADOBE SYSTEMS INCORPORATED
+// Copyright 2011 Adobe Systems Incorporated
+// All Rights Reserved
+//
+// NOTICE: Adobe permits you to use, modify, and distribute this file in accordance with the terms
+// of the Adobe license agreement accompanying it.
+// =================================================================================================
+
+#include "FileHandlerInstance.h"
+
+namespace XMP_PLUGIN
+{
+
+FileHandlerInstance::FileHandlerInstance ( SessionRef object, FileHandlerSharedPtr handler, XMPFiles * _parent ):
+XMPFileHandler( _parent ), mObject( object ), mHandler( handler )
+{
+	this->handlerFlags = mHandler->getHandlerFlags();
+	this->stdCharForm  = kXMP_Char8Bit;
+	PluginManager::addHandlerInstance( this->mObject, this );
+}
+
+FileHandlerInstance::~FileHandlerInstance()
+{
+	WXMP_Error error;
+	mHandler->getModule()->getPluginAPIs()->mTerminateSessionProc( this->mObject, &error );
+	PluginManager::removeHandlerInstance( this->mObject );
+	CheckError( error );
+}
+
+bool FileHandlerInstance::GetFileModDate ( XMP_DateTime * modDate )
+{
+	bool ok;
+	WXMP_Error error;
+	GetSessionFileModDateProc wGetFileModDate = mHandler->getModule()->getPluginAPIs()->mGetFileModDateProc;
+	wGetFileModDate ( this->mObject, &ok, modDate, &error );
+	CheckError ( error );
+	return ok;
+}
+
+void FileHandlerInstance::CacheFileData()
+{
+	if( this->containsXMP ) return;
+	
+	WXMP_Error error;
+	XMP_StringPtr xmpStr = NULL;
+	mHandler->getModule()->getPluginAPIs()->mCacheFileDataProc( this->mObject, this->parent->ioRef, &xmpStr, &error );
+	
+	if( error.mErrorID != kXMPErr_NoError )
+	{
+		if ( xmpStr != 0 ) free( (void*) xmpStr );
+		throw XMP_Error( kXMPErr_InternalFailure, error.mErrorMsg );
+	}
+
+	if( xmpStr != NULL )
+	{
+		this->xmpPacket.assign( xmpStr );
+		free( (void*) xmpStr ); // It should be freed as documentation of mCacheFileDataProc says so.
+	}
+	this->containsXMP = true;
+}
+
+void FileHandlerInstance::ProcessXMP()
+{
+	if( !this->containsXMP || this->processedXMP ) return;
+	this->processedXMP = true;
+
+	SXMPUtils::RemoveProperties ( &this->xmpObj, 0, 0, kXMPUtil_DoAllProperties );
+	this->xmpObj.ParseFromBuffer ( this->xmpPacket.c_str(), (XMP_StringLen)this->xmpPacket.size() );
+
+	WXMP_Error error;
+	if( mHandler->getModule()->getPluginAPIs()->mImportToXMPProc )
+		mHandler->getModule()->getPluginAPIs()->mImportToXMPProc( this->mObject, this->xmpObj.GetInternalRef(), &error );
+	CheckError( error );
+}
+
+void FileHandlerInstance::UpdateFile ( bool doSafeUpdate )
+{
+	if ( !this->needsUpdate || this->xmpPacket.size() == 0 ) return;
+
+	WXMP_Error error;
+	if( mHandler->getModule()->getPluginAPIs()->mExportFromXMPProc )
+		mHandler->getModule()->getPluginAPIs()->mExportFromXMPProc( this->mObject, this->xmpObj.GetInternalRef(), &error );
+	CheckError( error );
+
+	this->xmpObj.SerializeToBuffer ( &this->xmpPacket, mHandler->getSerializeOption() );
+	
+	mHandler->getModule()->getPluginAPIs()->mUpdateFileProc( this->mObject, this->parent->ioRef, doSafeUpdate, this->xmpPacket.c_str(), &error );
+	CheckError( error );
+	this->needsUpdate = false;
+}
+
+void FileHandlerInstance::WriteTempFile( XMP_IO* tempRef )
+{
+	WXMP_Error error;
+	if( mHandler->getModule()->getPluginAPIs()->mExportFromXMPProc )
+		mHandler->getModule()->getPluginAPIs()->mExportFromXMPProc( this->mObject, this->xmpObj.GetInternalRef(), &error );
+	CheckError( error );
+
+	this->xmpObj.SerializeToBuffer ( &this->xmpPacket, mHandler->getSerializeOption() );
+
+	mHandler->getModule()->getPluginAPIs()->mWriteTempFileProc( this->mObject, this->parent->ioRef, tempRef, this->xmpPacket.c_str(), &error );
+	CheckError( error );
+}
+
+} //namespace XMP_PLUGIN