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Also check maybeLength when deciding if a stream is empty in Parser_makeFilter (issue 6360)

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The problem with the PDF files in the issue, besides the obviously broken XRef tables which we're able to recover from, is that many/most of the streams have Dictionaries where the `Length` entry is set to `0`. This causes us to return `NullStream`, instead of the appropriate one in `Parser_makeFilter`.

Fixes 6360.
This commit is contained in:
Jonas Jenwald 2015-08-20 23:01:48 +02:00
parent 78dbf56484
commit 5128603f64
3 changed files with 11 additions and 1 deletions
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2
src/core/parser.js
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@ -524,7 +524,7 @@ var Parser = (function ParserClosure() {
return stream;
},
makeFilter: function Parser_makeFilter(stream, name, maybeLength, params) {
if (stream.dict.get('Length') === 0) {
if (stream.dict.get('Length') === 0 && !maybeLength) {
return new NullStream(stream);
}
try {