Separated PDFXRefFallback.
parent
c926874d20
commit
658be970b8
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@ -112,8 +112,26 @@ class PDFXRef(PDFBaseXRef):
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self.trailer.update(dict_value(dic))
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return
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def get_trailer(self):
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return self.trailer
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def get_objids(self):
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return self.offsets.iterkeys()
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def get_pos(self, objid):
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try:
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(genno, pos) = self.offsets[objid]
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except KeyError:
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raise
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return (None, pos)
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## PDFXRefFallback
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##
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class PDFXRefFallback(PDFXRef):
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PDFOBJ_CUE = re.compile(r'^(\d+)\s+(\d+)\s+obj\b')
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def load_fallback(self, parser, debug=0):
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def load(self, parser, debug=0):
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parser.seek(0)
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while 1:
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try:
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@ -132,19 +150,6 @@ class PDFXRef(PDFBaseXRef):
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self.offsets[int(objid)] = (0, pos)
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return
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def get_trailer(self):
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return self.trailer
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def get_objids(self):
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return self.offsets.iterkeys()
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def get_pos(self, objid):
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try:
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(genno, pos) = self.offsets[objid]
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except KeyError:
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raise
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return (None, pos)
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## PDFXRefStream
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##
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@ -641,8 +646,8 @@ class PDFDocument(object):
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xrefs = []
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parser.fallback = fallback
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if parser.fallback:
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xref = PDFXRef()
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xref.load_fallback(parser)
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xref = PDFXRefFallback()
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xref.load(parser)
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xrefs.append(xref)
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else:
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pos = self.find_xref(parser)
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