private int ParseHunks(FileHeader fh, int c, int end)
{
byte[] buf = fh.Buffer;
while (c < end)
{
// If we see a file header at this point, we have all of the
// hunks for our current file. We should stop and report back
// with this position so it can be parsed again later.
//
if (RawParseUtils.match(buf, c, DiffGit) >= 0)
{
break;
}
if (RawParseUtils.match(buf, c, DiffCc) >= 0)
{
break;
}
if (RawParseUtils.match(buf, c, DiffCombined) >= 0)
{
break;
}
if (RawParseUtils.match(buf, c, FileHeader.OLD_NAME) >= 0)
{
break;
}
if (RawParseUtils.match(buf, c, FileHeader.NEW_NAME) >= 0)
{
break;
}
if (FileHeader.isHunkHdr(buf, c, end) == fh.ParentCount)
{
HunkHeader h = fh.newHunkHeader(c);
h.parseHeader();
c = h.parseBody(this, end);
h.EndOffset = c;
fh.addHunk(h);
if (c < end)
{
switch (buf[c])
{
case (byte)'@':
case (byte)'d':
case (byte)'\n':
break;
default:
if (RawParseUtils.match(buf, c, SigFooter) < 0)
{
warn(buf, c, "Unexpected hunk trailer");
}
break;
}
}
continue;
}
int eol = RawParseUtils.nextLF(buf, c);
if (fh.Hunks.isEmpty() && RawParseUtils.match(buf, c, GitBinary) >= 0)
{
fh.PatchType = FileHeader.PatchTypeEnum.GIT_BINARY;
return(ParseGitBinary(fh, eol, end));
}
if (fh.Hunks.isEmpty() && BinTrailer.Length < eol - c &&
RawParseUtils.match(buf, eol - BinTrailer.Length, BinTrailer) >= 0 &&
MatchAny(buf, c, BinHeaders))
{
// The patch is a binary file diff, with no deltas.
//
fh.PatchType = FileHeader.PatchTypeEnum.BINARY;
return(eol);
}
// Skip this line and move to the next. Its probably garbage
// After the last hunk of a file.
//
c = eol;
}
if (fh.Hunks.isEmpty() &&
fh.getPatchType() == FileHeader.PatchTypeEnum.UNIFIED &&
!fh.hasMetaDataChanges())
{
// Hmm, an empty patch? If there is no metadata here we
// really have a binary patch that we didn't notice above.
//
fh.PatchType = FileHeader.PatchTypeEnum.BINARY;
}
return(c);
}
private int ParseHunks(FileHeader fh, int c, int end)
{
byte[] buf = fh.Buffer;
while (c < end)
{
// If we see a file header at this point, we have all of the
// hunks for our current file. We should stop and report back
// with this position so it can be parsed again later.
//
if (RawParseUtils.match(buf, c, DiffGit) >= 0)
break;
if (RawParseUtils.match(buf, c, DiffCc) >= 0)
break;
if (RawParseUtils.match(buf, c, DiffCombined) >= 0)
break;
if (RawParseUtils.match(buf, c, FileHeader.OLD_NAME) >= 0)
break;
if (RawParseUtils.match(buf, c, FileHeader.NEW_NAME) >= 0)
break;
if (FileHeader.isHunkHdr(buf, c, end) == fh.ParentCount)
{
HunkHeader h = fh.newHunkHeader(c);
h.parseHeader();
c = h.parseBody(this, end);
h.EndOffset = c;
fh.addHunk(h);
if (c < end)
{
switch (buf[c])
{
case (byte)'@':
case (byte)'d':
case (byte)'\n':
break;
default:
if (RawParseUtils.match(buf, c, SigFooter) < 0)
warn(buf, c, "Unexpected hunk trailer");
break;
}
}
continue;
}
int eol = RawParseUtils.nextLF(buf, c);
if (fh.Hunks.isEmpty() && RawParseUtils.match(buf, c, GitBinary) >= 0)
{
fh.PatchType = FileHeader.PatchTypeEnum.GIT_BINARY;
return ParseGitBinary(fh, eol, end);
}
if (fh.Hunks.isEmpty() && BinTrailer.Length < eol - c
&& RawParseUtils.match(buf, eol - BinTrailer.Length, BinTrailer) >= 0
&& MatchAny(buf, c, BinHeaders))
{
// The patch is a binary file diff, with no deltas.
//
fh.PatchType = FileHeader.PatchTypeEnum.BINARY;
return eol;
}
// Skip this line and move to the next. Its probably garbage
// After the last hunk of a file.
//
c = eol;
}
if (fh.Hunks.isEmpty()
&& fh.getPatchType() == FileHeader.PatchTypeEnum.UNIFIED
&& !fh.hasMetaDataChanges())
{
// Hmm, an empty patch? If there is no metadata here we
// really have a binary patch that we didn't notice above.
//
fh.PatchType = FileHeader.PatchTypeEnum.BINARY;
}
return c;
}