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Remove list from FileTrailerParser.GetStartXrefPosition()
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This commit is contained in:
BobLd 2024-10-15 19:38:46 +01:00
parent f40545b0a5
commit e903b6c365
1 changed files with 9 additions and 7 deletions
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16
src/UglyToad.PdfPig/Parser/FileStructure/FileTrailerParser.cs
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@ -78,7 +78,8 @@
private static long GetStartXrefPosition(IInputBytes bytes, int offsetFromEnd)
{
var startXrefs = new List<int>();
int startXref = 0;
int startXrefsCount = 0;
var index = 0;
@ -106,8 +107,9 @@
if (index == StartXRefBytes.Length)
{
// Add this "startxref" (position from the start of the document to the first 's').
startXrefs.Add((int)bytes.CurrentOffset - StartXRefBytes.Length);
// Set this "startxref" (position from the start of the document to the first 's').
startXref = (int)bytes.CurrentOffset - StartXRefBytes.Length;
startXrefsCount++;
// Continue scanning in case there are further "startxref"s. Not sure if this ever happens.
index = 0;
@ -115,14 +117,14 @@
}
actualStartOffset = Math.Max(0, fileLength - (offsetFromEnd * multiple));
} while (startXrefs.Count == 0 && actualStartOffset > 0);
if (startXrefs.Count == 0)
} while (startXrefsCount == 0 && actualStartOffset > 0);
if (startXrefsCount == 0)
{
throw new PdfDocumentFormatException($"Could not find the startxref within the last {offsetFromEnd} characters.");
}
return startXrefs[startXrefs.Count - 1];
return startXref;
}
}
}