On Sun, 2014-06-29 at 18:56 +0200, zyx wrote:
> I think of reverting the patch, to support those "probably broken"
> files, but I'd like to hear from you too, whether the file is truly
> broken.
Hi,
Dennis, could you try with the attached patch, preferably on current
trunk, please? It seems to survive on the file you gave a link to, but
I only tried to open it, not to modify in it or read its objects.
Thanks and bye,
zyx
--
http://www.litePDF.cz i...@litepdf.cz
Index: src/base/PdfParser.cpp
===================================================================
--- src/base/PdfParser.cpp (revision 1645)
+++ src/base/PdfParser.cpp (working copy)
@@ -836,8 +836,18 @@ void PdfParser::ReadXRefStreamContents(
// Check for a previous XRef stream
if(xrefObject.HasPrevious())
{
- m_nIncrementalUpdates++;
- this->ReadXRefStreamContents( xrefObject.GetPreviousOffset(), bReadOnlyTrailer );
+ try {
+ m_nIncrementalUpdates++;
+ this->ReadXRefStreamContents( xrefObject.GetPreviousOffset(), bReadOnlyTrailer );
+ } catch(PdfError &e) {
+ /* Be forgiving, the error happens when an entry in XRef stream points
+ to a wrong place (offset) in the PDF file. */
+ if( e != ePdfError_NoNumber )
+ {
+ e.AddToCallstack( __FILE__, __LINE__ );
+ throw e;
+ }
+ }
}
}
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