Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

XRefStm logic for trailers fixing #359

Merged
merged 1 commit into from
May 11, 2018
Merged

XRefStm logic for trailers fixing #359

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 12 additions & 0 deletions src/main/java/org/verapdf/cos/COSTrailer.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,18 @@ public void setPrev(final Long prev) {
}
}

public Long getXRefStm() {
return getObject().getIntegerKey(ASAtom.XREF_STM);
}

public void setXRefStm(final Long prev) {
if (prev != 0) {
getObject().setIntegerKey(ASAtom.XREF_STM, prev);
} else {
removeKey(ASAtom.XREF_STM);
}
}

public COSObject getRoot() {
return getKey(ASAtom.ROOT);
}
Expand Down
15 changes: 10 additions & 5 deletions src/main/java/org/verapdf/parser/PDFParser.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -518,12 +518,17 @@ private void getXRefInfo(final List<COSXRefInfo> info, Set<Long> processedOffset
section.setStartXRef(offset.longValue());
getXRefSectionAndTrailer(section);

offset = section.getTrailer().getPrev();
if (offset == null || offset.longValue() == 0) {
return;
}
COSTrailer trailer = section.getTrailer();

offset = trailer.getXRefStm();
if (offset != null && offset.longValue() != 0) {
getXRefInfo(info, processedOffsets, offset);
}

getXRefInfo(info, processedOffsets, offset);
offset = trailer.getPrev();
if (offset != null && offset.longValue() != 0) {
getXRefInfo(info, processedOffsets, offset);
}
}

private void getTrailer(final COSTrailer trailer) throws IOException {
Expand Down