private TextFilePatch readPatch(String curLine, ListIterator<String> iterator)
throws PatchSyntaxException {
final TextFilePatch curPatch =
mySaveHunks ? new TextFilePatch(null) : new EmptyTextFilePatch();
extractFileName(curLine, curPatch, true, myDiffCommandLike && myIndexLike);
if (!iterator.hasNext())
throw new PatchSyntaxException(iterator.previousIndex(), "Second file name expected");
curLine = iterator.next();
String secondNamePrefix = myDiffFormat == DiffFormat.UNIFIED ? "+++ " : "--- ";
if (!curLine.startsWith(secondNamePrefix)) {
throw new PatchSyntaxException(iterator.previousIndex(), "Second file name expected");
}
extractFileName(curLine, curPatch, false, myDiffCommandLike && myIndexLike);
while (iterator.hasNext()) {
PatchHunk hunk;
if (myDiffFormat == DiffFormat.UNIFIED) {
hunk = readNextHunkUnified(iterator);
} else {
hunk = readNextHunkContext(iterator);
}
if (hunk == null) break;
curPatch.addHunk(hunk);
}
if (curPatch.getBeforeName() == null) {
curPatch.setBeforeName(curPatch.getAfterName());
}
if (curPatch.getAfterName() == null) {
curPatch.setAfterName(curPatch.getBeforeName());
}
return curPatch;
}
@Nullable
public String getLastName() {
if (myPatches.isEmpty()) {
return null;
} else {
final TextFilePatch patch = myPatches.get(myPatches.size() - 1);
return patch.getBeforeName() == null ? patch.getAfterName() : patch.getBeforeName();
}
}