I haven’t looked at the code in Load() in a while, but I can’t think of a reason that it is loading the XMP. Are you SURE that this where the exception is being thrown - XMP parsing?? I would think it’s somewhere else in the PDF. Can you post a sample?
Leonard On 4/17/14, 9:47 PM, "Uli Zappe" <u...@ritual.org> wrote: >Hi, > >I found that PoDoFo 0.9.2. cannot load some PDFs with XMP metadata. > >In these cases, when PoDoFo::PdfMemDocument::Load() is called (I didn't >try reading from a file), an exception is thrown with the error message >"A number was expected but not found." > >Upon closer inspection of the affected PDFs, I found that in all these >cases, the XMP packet header > > <?xpacket begin='' id='W5M0MpCehiHzreSzNTczkc9d'?> > >contains no character between the quotes of > > begin='' > >This is allowed according to Adobe's XMP specification. In >http://wwwimages.adobe.com/www.adobe.com/content/dam/Adobe/en/devnet/xmp/p >dfs/cc-201306/XMPSpecificationPart1.pdf on page 11, it says: > >> the character [the character between the quotes, U.Z.] represents >>the Unicode character U+FEFF used as a byte-order marker. The U+FEFF may >>be omitted from the begin="". > > >The current version of PoDoFo, however, stumbles as soon as there is no >character between the quotes. > >NOTE: Also contrary to Adobe's XMP specification (and the behavior of >Adobe's XMP Toolkit SDK), PoDoFo seems to allow *any* character between >the quotes of begin='', not only U+FEFF. However, I do feel that this is >a *good thing* because it makes PoDoFo more fault tolerant. There seem to >be several applications out there to write XMP data to PDFs, which don't >get the packet header's U+FEFF character right. As a result, Adobe's XMP >Toolkit SDK cannot read the XMP data of PDFs edited with these >applications, while PoDoFo can. I consider this an advantage that should >not be removed. (Specifically, there is a Java application from 2008 >(still linked from creativecommons.org) that writes Creative Commons >licenses in such an incorrect XMP format to PDF files. PoDoFo recognizes >these licenses, Adobe's XMP Toolkit does not.) > >Bye > >Uli >-------------------------------------------------------------------------- >---- >Learn Graph Databases - Download FREE O'Reilly Book >"Graph Databases" is the definitive new guide to graph databases and their >applications. Written by three acclaimed leaders in the field, >this first edition is now available. Download your free book today! >http://p.sf.net/sfu/NeoTech >_______________________________________________ >Podofo-users mailing list >Podofo-users@lists.sourceforge.net >https://lists.sourceforge.net/lists/listinfo/podofo-users ------------------------------------------------------------------------------ Learn Graph Databases - Download FREE O'Reilly Book "Graph Databases" is the definitive new guide to graph databases and their applications. Written by three acclaimed leaders in the field, this first edition is now available. Download your free book today! http://p.sf.net/sfu/NeoTech _______________________________________________ Podofo-users mailing list Podofo-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/podofo-users
