lsm/PdfPig
1
0
Fork 0
mirror of https://github.com/UglyToad/PdfPig.git synced 2025-04-05 20:55:01 +08:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

Remove list from FileTrailerParser.GetStartXrefPosition()
Some checks failed
Build and test / build (push) Has been cancelled
Details
Run Integration Tests / build (push) Has been cancelled
Details

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/UglyToad.PdfPig/Parser/FileStructure/FileTrailerParser.cs
View File

@ -78,7 +78,8 @@
private static long GetStartXrefPosition(IInputBytes bytes, int offsetFromEnd) private static long GetStartXrefPosition(IInputBytes bytes, int offsetFromEnd)
{ {
var startXrefs = new List<int>(); int startXref = 0;
int startXrefsCount = 0;
var index = 0; var index = 0;
@ -106,8 +107,9 @@
if (index == StartXRefBytes.Length) if (index == StartXRefBytes.Length)
{ {
// Add this "startxref" (position from the start of the document to the first 's'). // Set this "startxref" (position from the start of the document to the first 's').
startXrefs.Add((int)bytes.CurrentOffset - StartXRefBytes.Length); startXref = (int)bytes.CurrentOffset - StartXRefBytes.Length;
startXrefsCount++;
// Continue scanning in case there are further "startxref"s. Not sure if this ever happens. // Continue scanning in case there are further "startxref"s. Not sure if this ever happens.
index = 0; index = 0;
@ -115,14 +117,14 @@
} }
actualStartOffset = Math.Max(0, fileLength - (offsetFromEnd * multiple)); actualStartOffset = Math.Max(0, fileLength - (offsetFromEnd * multiple));
} while (startXrefs.Count == 0 && actualStartOffset > 0); } while (startXrefsCount == 0 && actualStartOffset > 0);
if (startXrefs.Count == 0) if (startXrefsCount == 0)
{ {
throw new PdfDocumentFormatException($"Could not find the startxref within the last {offsetFromEnd} characters."); throw new PdfDocumentFormatException($"Could not find the startxref within the last {offsetFromEnd} characters.");
} }
return startXrefs[startXrefs.Count - 1]; return startXref;
} }
} }
} }