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fix #670 by ignoring duplicate endstream definitions

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when parsing a stream object with multiple endstream tokens
the last parsed token was selected instead of the actual stream
token so instead we just skip all following tokens if the first
is a stream and the following tokens are `endstream` operators
only
This commit is contained in:
EliotJones 2025-07-06 17:56:59 -05:00 committed by BobLd
parent daaac9350d
commit 781991b6bf
1 changed files with 6 additions and 0 deletions
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6
src/UglyToad.PdfPig/Tokenization/Scanner/PdfTokenScanner.cs
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@ -268,6 +268,12 @@
{ {
token = trimmedDuplicatedEndTokens[0]; token = trimmedDuplicatedEndTokens[0];
} }
else if (readTokens[0] is StreamToken str
&& readTokens.Skip(1).All(x => x is OperatorToken op && op.Equals(OperatorToken.EndStream)))
{
// If a stream token is followed by "endstream" operator tokens just skip the following duplicated tokens.
token = str;
}
else else
{ {
token = readTokens[readTokens.Count - 1]; token = readTokens[readTokens.Count - 1];