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// =================================================================================================
// Copyright Adobe
// Copyright 2011 Adobe
// 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"
#if EnablePluginManager
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;
PluginManager::removeHandlerInstance(this->mObject);
mHandler->getModule()->getPluginAPIs()->mTerminateSessionProc(this->mObject, &error);
CheckError( error );
}
bool FileHandlerInstance::GetFileModDate ( XMP_DateTime * modDate )
{
XMP_Bool ok;
WXMP_Error error;
GetSessionFileModDateProc wGetFileModDate = mHandler->getModule()->getPluginAPIs()->mGetFileModDateProc;
wGetFileModDate ( this->mObject, &ok, modDate, &error );
CheckError ( error );
return ConvertXMP_BoolToBool( 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 );
if ( error.mErrorID == kXMPErr_FilePermission )
throw XMP_Error( kXMPErr_FilePermission, error.mErrorMsg );
else
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;
}
else
this->containsXMP = false;
}
void FileHandlerInstance::ProcessXMP()
{
if( this->processedXMP ) return;
this->processedXMP = true;
SXMPUtils::RemoveProperties ( &this->xmpObj, 0, 0, kXMPUtil_DoAllProperties );
if ( this->xmpPacket.size() != 0 )
this->xmpObj.ParseFromBuffer ( this->xmpPacket.c_str(), (XMP_StringLen)this->xmpPacket.size() );
WXMP_Error error;
if ( mHandler->getModule()->getPluginAPIs()->mVersion >= 4 && mHandler->getModule()->getPluginAPIs()->mImportToXMPStringWithPacketProc )
{
XMP_StringPtr xmpStr = this->xmpPacket.c_str();
XMP_StringPtr oldPacketPtr = NULL;
XMP_PacketInfo packetInfo_;
mHandler->getModule()->getPluginAPIs()->mImportToXMPStringWithPacketProc( this->mObject, &xmpStr, &error, &oldPacketPtr, &packetInfo_ );
if( xmpStr != NULL && xmpStr != this->xmpPacket.c_str() )
{
XMP_StringLen newLen = static_cast<XMP_StringLen>(strlen( xmpStr ));
this->xmpObj.Erase();
this->xmpObj.ParseFromBuffer( xmpStr, newLen, 0 );
// Note: Freeing memory would not create any problem as plugin would have allocated memory using Host library function
free( ( void * ) xmpStr );
this->containsXMP = true;
}
if( oldPacketPtr != NULL )
{
this->xmpPacket.resize( strlen( oldPacketPtr ) );
this->xmpPacket.assign( oldPacketPtr );
this->packetInfo = packetInfo_;
// Note: Freeing memory would not create any problem as plugin would have allocated memory using Host library function
free( ( void * ) oldPacketPtr );
this->containsXMP = true;
}
}
else if( mHandler->getModule()->getPluginAPIs()->mVersion >= 2 && mHandler->getModule()->getPluginAPIs()->mImportToXMPStringProc )
{
XMP_StringPtr xmpStr = this->xmpPacket.c_str();
mHandler->getModule()->getPluginAPIs()->mImportToXMPStringProc( this->mObject, &xmpStr, &error );
if( xmpStr != NULL && xmpStr != this->xmpPacket.c_str() )
{
XMP_StringLen newLen = static_cast<XMP_StringLen>(strlen( xmpStr ));
this->xmpObj.Erase();
this->xmpObj.ParseFromBuffer( xmpStr, newLen, 0 );
// Note: Freeing memory would not create any problem as plugin would have allocated memory using Host library function
free( ( void * ) xmpStr );
this->containsXMP = true;
}
}
else
{
if( mHandler->getModule()->getPluginAPIs()->mImportToXMPProc )
mHandler->getModule()->getPluginAPIs()->mImportToXMPProc( this->mObject, this->xmpObj.GetInternalRef(), &error );
this->containsXMP = true;
}
CheckError( error );
}
void FileHandlerInstance::UpdateFile ( bool doSafeUpdate )
{
bool optimizeFileLayout = XMP_OptionIsSet ( this->parent->openFlags, kXMPFiles_OptimizeFileLayout );
this->needsUpdate |= optimizeFileLayout;
if( !this->needsUpdate ) return;
WXMP_Error error;
if ( xmpPacket.size() != 0 )
{
if( mHandler->getModule()->getPluginAPIs()->mExportFromXMPStringProc )
{
std::string xmp;
this->xmpObj.SerializeToBuffer( &xmp, kXMP_NoOptions, 0 );
XMP_StringPtr xmpStr = xmp.c_str();
mHandler->getModule()->getPluginAPIs()->mExportFromXMPStringProc( this->mObject, xmpStr, &error );
if ( xmpStr != xmp.c_str() )
this->xmpObj.SerializeToBuffer ( &this->xmpPacket, mHandler->getSerializeOption() );
}
else
{
if( mHandler->getModule()->getPluginAPIs()->mExportFromXMPProc )
{
mHandler->getModule()->getPluginAPIs()->mExportFromXMPProc( this->mObject, this->xmpObj.GetInternalRef(), &error );
this->xmpObj.SerializeToBuffer ( &this->xmpPacket, mHandler->getSerializeOption() );
}
}
CheckError( error );
}
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 );
}
static void SetStringVector ( StringVectorRef clientPtr, XMP_StringPtr * arrayPtr, XMP_Uns32 stringCount )
{
std::vector<std::string>* clientVec = (std::vector<std::string>*) clientPtr;
clientVec->clear();
for ( XMP_Uns32 i = 0; i < stringCount; ++i ) {
std::string nextValue ( arrayPtr[i] );
clientVec->push_back ( nextValue );
}
}
void FileHandlerInstance::FillMetadataFiles( std::vector<std::string> * metadataFiles )
{
WXMP_Error error;
FillMetadataFilesProc wFillMetadataFilesProc = mHandler->getModule()->getPluginAPIs()->mFillMetadataFilesProc;
if ( wFillMetadataFilesProc ) {
wFillMetadataFilesProc( this->mObject, metadataFiles, SetStringVector, &error);
CheckError( error );
} else {
XMP_Throw ( "This version of plugin does not support FillMetadataFiles API", kXMPErr_Unimplemented );
}
}
void FileHandlerInstance::FillAssociatedResources( std::vector<std::string> * resourceList )
{
WXMP_Error error;
FillAssociatedResourcesProc wFillAssociatedResourcesProc = mHandler->getModule()->getPluginAPIs()->mFillAssociatedResourcesProc;
if ( wFillAssociatedResourcesProc ) {
wFillAssociatedResourcesProc( this->mObject, resourceList, SetStringVector, &error);
CheckError( error );
} else {
XMP_Throw ( "This version of plugin does not support FillAssociatedResources API", kXMPErr_Unimplemented );
}
}
bool FileHandlerInstance::IsMetadataWritable( )
{
WXMP_Error error;
XMP_Bool result = kXMP_Bool_False;
IsMetadataWritableProc wIsMetadataWritableProc = mHandler->getModule()->getPluginAPIs()->mIsMetadataWritableProc;
if ( wIsMetadataWritableProc ) {
wIsMetadataWritableProc( this->mObject, &result, &error);
CheckError( error );
} else {
XMP_Throw ( "This version of plugin does not support IsMetadataWritable API", kXMPErr_Unimplemented );
}
return ConvertXMP_BoolToBool( result );
}
void FileHandlerInstance::SetErrorCallback ( ErrorCallbackBox errorCallbackBox )
{
WXMP_Error error;
SetErrorCallbackproc wSetErrorCallbackproc = mHandler->getModule()->getPluginAPIs()->mSetErrorCallbackproc ;
if( wSetErrorCallbackproc ) {
wSetErrorCallbackproc( this->mObject, errorCallbackBox, &error );
CheckError( error );
} else {
XMP_Throw ( "This version of plugin does not support IsMetadataWritable API", kXMPErr_Unimplemented );
}
}
void FileHandlerInstance::SetProgressCallback ( XMP_ProgressTracker::CallbackInfo * progCBInfoPtr )
{
WXMP_Error error;
SetProgressCallbackproc wSetProgressCallbackproc = mHandler->getModule()->getPluginAPIs()->mSetProgressCallbackproc ;
if( wSetProgressCallbackproc ) {
wSetProgressCallbackproc( this->mObject, progCBInfoPtr, &error );
CheckError( error );
} else {
XMP_Throw ( "This version of plugin does not support IsMetadataWritable API", kXMPErr_Unimplemented );
}
}
} //namespace XMP_PLUGIN
#endif
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