void SVG_MetaHandler::UpdateFile( bool doSafeUpdate )
{
XMP_Assert( !doSafeUpdate ); // This should only be called for "unsafe" updates.
XMP_IO* sourceRef = this->parent->ioRef;
if ( sourceRef == NULL || svgNode == NULL )
return;
// Checking whether Title updation requires or not
std::string title;
XML_NodePtr titleNode = svgNode->GetNamedElement( svgNode->ns.c_str(), "title" );
(void) this->xmpObj.GetLocalizedText( kXMP_NS_DC, "title", "", "x-default", 0, &title, 0 );
if ( ( titleNode == NULL ) == ( title.empty() ) )
{
if ( titleNode != NULL && titleNode->content.size() == 1 && titleNode->content[ 0 ]->kind == kCDataNode && !XMP_LitMatch( titleNode->content[ 0 ]->value.c_str(), title.c_str() ) )
isTitleUpdateReq = true;
}
else
isTitleUpdateReq = true;
// Checking whether Description updation requires or not
std::string description;
XML_NodePtr descNode = svgNode->GetNamedElement( svgNode->ns.c_str(), "desc" );
( void ) this->xmpObj.GetLocalizedText( kXMP_NS_DC, "description", "", "x-default", 0, &description, 0 );
if ( ( descNode == NULL ) == ( description.empty() ) )
{
if ( descNode != NULL && descNode->content.size() == 1 && descNode->content[ 0 ]->kind == kCDataNode && !XMP_LitMatch( descNode->content[ 0 ]->value.c_str(), description.c_str() ) )
isDescUpdateReq = true;
}
else
isDescUpdateReq = true;
// If any updation is required then don't do inplace replace
bool isUpdateRequire = isTitleUpdateReq | isDescUpdateReq | (this->packetInfo.offset == kXMPFiles_UnknownOffset);
// Inplace Updation of XMP
if ( !isUpdateRequire && this->xmpPacket.size() == this->packetInfo.length )
{
sourceRef->Seek( this->packetInfo.offset, kXMP_SeekFromStart );
sourceRef->Write( this->xmpPacket.c_str(), static_cast< int >( this->xmpPacket.size() ) );
}
else
{
// Inplace is not possibe, So perform full updation
try
{
XMP_IO* tempRef = sourceRef->DeriveTemp();
this->WriteTempFile( tempRef );
}
catch ( ... )
{
sourceRef->DeleteTemp();
throw;
}
sourceRef->AbsorbTemp();
}
this->needsUpdate = false;
} // SVG_MetaHandler::UpdateFile
void PSD_MetaHandler::UpdateFile ( bool doSafeUpdate )
{
XMP_Assert ( ! doSafeUpdate ); // This should only be called for "unsafe" updates.
XMP_Int64 oldPacketOffset = this->packetInfo.offset;
XMP_Int32 oldPacketLength = this->packetInfo.length;
if ( oldPacketOffset == kXMPFiles_UnknownOffset ) oldPacketOffset = 0; // ! Simplify checks.
if ( oldPacketLength == kXMPFiles_UnknownLength ) oldPacketLength = 0;
bool fileHadXMP = ((oldPacketOffset != 0) && (oldPacketLength != 0));
// Update the IPTC-IIM and native TIFF/Exif metadata. ExportPhotoData also trips the tiff: and
// exif: copies from the XMP, so reserialize the now final XMP packet.
ExportPhotoData ( kXMP_PhotoshopFile, &this->xmpObj, this->exifMgr, this->iptcMgr, &this->psirMgr );
try {
XMP_OptionBits options = kXMP_UseCompactFormat;
if ( fileHadXMP ) options |= kXMP_ExactPacketLength;
this->xmpObj.SerializeToBuffer ( &this->xmpPacket, options, oldPacketLength );
} catch ( ... ) {
this->xmpObj.SerializeToBuffer ( &this->xmpPacket, kXMP_UseCompactFormat );
}
// Decide whether to do an in-place update. This can only happen if all of the following are true:
// - There is an XMP packet in the file.
// - The are no changes to the legacy image resources. (The IPTC and EXIF are in the PSIR.)
// - The new XMP can fit in the old space.
bool doInPlace = (fileHadXMP && (this->xmpPacket.size() <= (size_t)oldPacketLength));
if ( this->psirMgr.IsLegacyChanged() ) doInPlace = false;
XMP_ProgressTracker* progressTracker = this->parent->progressTracker;
if ( doInPlace ) {
#if GatherPerformanceData
sAPIPerf->back().extraInfo += ", PSD in-place update";
#endif
if ( this->xmpPacket.size() < (size_t)this->packetInfo.length ) {
// They ought to match, cheap to be sure.
size_t extraSpace = (size_t)this->packetInfo.length - this->xmpPacket.size();
this->xmpPacket.append ( extraSpace, ' ' );
}
XMP_IO* liveFile = this->parent->ioRef;
XMP_Assert ( this->xmpPacket.size() == (size_t)oldPacketLength ); // ! Done by common PutXMP logic.
if ( progressTracker != 0 ) progressTracker->BeginWork ( this->xmpPacket.size() );
liveFile->Seek ( oldPacketOffset, kXMP_SeekFromStart );
liveFile->Write ( this->xmpPacket.c_str(), (XMP_StringLen)this->xmpPacket.size() );
if ( progressTracker != 0 ) progressTracker->WorkComplete();
} else {
#if GatherPerformanceData
sAPIPerf->back().extraInfo += ", PSD copy update";
#endif
XMP_IO* origRef = this->parent->ioRef;
XMP_IO* tempRef = origRef->DeriveTemp();
try {
XMP_Assert ( ! this->skipReconcile );
this->skipReconcile = true;
this->WriteTempFile ( tempRef );
this->skipReconcile = false;
} catch ( ... ) {
this->skipReconcile = false;
origRef->DeleteTemp();
throw;
}
origRef->AbsorbTemp();
}
this->needsUpdate = false;
} // PSD_MetaHandler::UpdateFile
