/**
* Formats a list of edits in unified diff format
*
* @param edits some differences which have been calculated between A and B
* @param a the text A which was compared
* @param b the text B which was compared
* @throws IOException
*/
public void format(final EditList edits, final RawText a, final RawText b) throws IOException {
for (int curIdx = 0; curIdx < edits.size(); ) {
Edit curEdit = edits.get(curIdx);
final int endIdx = findCombinedEnd(edits, curIdx);
final Edit endEdit = edits.get(endIdx);
int aCur = Math.max(0, curEdit.getBeginA() - context);
int bCur = Math.max(0, curEdit.getBeginB() - context);
final int aEnd = Math.min(a.size(), endEdit.getEndA() + context);
final int bEnd = Math.min(b.size(), endEdit.getEndB() + context);
writeHunkHeader(aCur, aEnd, bCur, bEnd);
while (aCur < aEnd || bCur < bEnd) {
if (aCur < curEdit.getBeginA() || endIdx + 1 < curIdx) {
writeContextLine(a, aCur);
if (isEndOfLineMissing(a, aCur)) out.write(noNewLine);
aCur++;
bCur++;
} else if (aCur < curEdit.getEndA()) {
writeRemovedLine(a, aCur);
if (isEndOfLineMissing(a, aCur)) out.write(noNewLine);
aCur++;
} else if (bCur < curEdit.getEndB()) {
writeAddedLine(b, bCur);
if (isEndOfLineMissing(b, bCur)) out.write(noNewLine);
bCur++;
}
if (end(curEdit, aCur, bCur) && ++curIdx < edits.size()) curEdit = edits.get(curIdx);
}
}
}
private FormatResult createFormatResult(DiffEntry ent)
throws IOException, CorruptObjectException, MissingObjectException {
final FormatResult res = new FormatResult();
ByteArrayOutputStream buf = new ByteArrayOutputStream();
final EditList editList;
final FileHeader.PatchType type;
formatHeader(buf, ent);
if (ent.getOldMode() == GITLINK || ent.getNewMode() == GITLINK) {
formatOldNewPaths(buf, ent);
writeGitLinkDiffText(buf, ent);
editList = new EditList();
type = PatchType.UNIFIED;
} else {
assertHaveRepository();
byte[] aRaw = open(OLD, ent);
byte[] bRaw = open(NEW, ent);
if (aRaw == BINARY
|| bRaw == BINARY //
|| RawText.isBinary(aRaw)
|| RawText.isBinary(bRaw)) {
formatOldNewPaths(buf, ent);
buf.write(encodeASCII("Binary files differ\n")); // $NON-NLS-1$
editList = new EditList();
type = PatchType.BINARY;
} else {
res.a = new RawText(aRaw);
res.b = new RawText(bRaw);
editList = diff(res.a, res.b);
type = PatchType.UNIFIED;
switch (ent.getChangeType()) {
case RENAME:
case COPY:
if (!editList.isEmpty()) formatOldNewPaths(buf, ent);
break;
default:
formatOldNewPaths(buf, ent);
break;
}
}
}
res.header = new FileHeader(buf.toByteArray(), editList, type);
return res;
}
public void testEqualsWithoutWhitespace() {
final RawText a = new RawText(cmp, Constants.encodeASCII("foo-a\nfoo-b\nfoo\n"));
final RawText b = new RawText(cmp, Constants.encodeASCII("foo-b\nfoo-c\nf\n"));
assertEquals(3, a.size());
assertEquals(3, b.size());
// foo-a != foo-b
assertFalse(cmp.equals(a, 0, b, 0));
assertFalse(cmp.equals(b, 0, a, 0));
// foo-b == foo-b
assertTrue(cmp.equals(a, 1, b, 0));
assertTrue(cmp.equals(b, 0, a, 1));
// foo != f
assertFalse(cmp.equals(a, 2, b, 2));
assertFalse(cmp.equals(b, 2, a, 2));
}
protected void process(HttpServletRequest hreq, HttpServletResponse hresp)
throws ServletException, IOException {
Request req = createRequest(hreq, hresp);
if (L.isDebugEnabled()) L.debug(null, req.toString());
Response resp = createResponse(hreq, hresp);
try {
fireBeforeAll(req, resp);
if (routeSummary
&& "$"
.equals(StringUtils.removeStart(StringUtils.trimToEmpty(hreq.getPathInfo()), "/"))) {
resp.body(RawText.of(makeRouteSummary()));
resp.type("text/plain");
} else {
invokeAllMatched(before, req, resp);
boolean matched = invokeFirstMatched(routes, req, resp);
invokeAllMatched(after, req, resp);
if (!matched) TopazHelper.halt(404, "Route error");
if (L.isDebugEnabled()) L.debug(null, "ok");
}
fireSuccess(req, resp);
} catch (Throwable t) {
fireExceptionCaught(req, resp, t);
Throwable c =
(t instanceof InvocationTargetException)
? ((InvocationTargetException) t).getTargetException()
: t;
if (!(c instanceof QuietHaltException)) resp.error(c);
L.warn(null, c, "error");
} finally {
fireBeforeOutput(req, resp);
resp.doOutput(Response.OutputOptions.fromRequest(req));
fireAfterOutput(req, resp);
req.deleteUploadedFiles();
fireAfterAll(req, resp);
if (L.isDebugEnabled()) L.debug(null, "complete");
}
}
@Nullable
private static String getStringContent(@Nullable Producer<Transferable> producer) {
Transferable content = null;
if (producer != null) {
content = producer.produce();
} else {
CopyPasteManager manager = CopyPasteManager.getInstance();
if (manager.areDataFlavorsAvailable(DataFlavor.stringFlavor)) {
content = manager.getContents();
}
}
if (content == null) return null;
RawText raw = RawText.fromTransferable(content);
if (raw != null) return raw.rawText;
try {
return (String) content.getTransferData(DataFlavor.stringFlavor);
} catch (UnsupportedFlavorException ignore) {
} catch (IOException ignore) {
}
return null;
}
/**
* Write a standard patch script line.
*
* @param prefix prefix before the line, typically '-', '+', ' '.
* @param text the text object to obtain the line from.
* @param cur line number to output.
* @throws IOException the stream threw an exception while writing to it.
*/
protected void writeLine(final char prefix, final RawText text, final int cur)
throws IOException {
out.write(prefix);
text.writeLine(out, cur);
out.write('\n');
}
private boolean isEndOfLineMissing(final RawText text, final int line) {
return line + 1 == text.size() && text.isMissingNewlineAtEnd();
}
private static void doPaste(
final Editor editor,
final Project project,
final PsiFile file,
final Document document,
final Producer<Transferable> producer) {
Transferable content = null;
if (producer != null) {
content = producer.produce();
} else {
CopyPasteManager manager = CopyPasteManager.getInstance();
if (manager.areDataFlavorsAvailable(DataFlavor.stringFlavor)) {
content = manager.getContents();
if (content != null) {
manager.stopKillRings();
}
}
}
if (content != null) {
String text = null;
try {
text = (String) content.getTransferData(DataFlavor.stringFlavor);
} catch (Exception e) {
editor.getComponent().getToolkit().beep();
}
if (text == null) return;
final CodeInsightSettings settings = CodeInsightSettings.getInstance();
final Map<CopyPastePostProcessor, TextBlockTransferableData> extraData =
new HashMap<CopyPastePostProcessor, TextBlockTransferableData>();
for (CopyPastePostProcessor processor :
Extensions.getExtensions(CopyPastePostProcessor.EP_NAME)) {
TextBlockTransferableData data = processor.extractTransferableData(content);
if (data != null) {
extraData.put(processor, data);
}
}
text = TextBlockTransferable.convertLineSeparators(text, "\n", extraData.values());
final CaretModel caretModel = editor.getCaretModel();
final SelectionModel selectionModel = editor.getSelectionModel();
final int col = caretModel.getLogicalPosition().column;
// There is a possible case that we want to perform paste while there is an active selection
// at the editor and caret is located
// inside it (e.g. Ctrl+A is pressed while caret is not at the zero column). We want to insert
// the text at selection start column
// then, hence, inserted block of text should be indented according to the selection start as
// well.
final int blockIndentAnchorColumn;
final int caretOffset = caretModel.getOffset();
if (selectionModel.hasSelection() && caretOffset >= selectionModel.getSelectionStart()) {
blockIndentAnchorColumn =
editor.offsetToLogicalPosition(selectionModel.getSelectionStart()).column;
} else {
blockIndentAnchorColumn = col;
}
// We assume that EditorModificationUtil.insertStringAtCaret() is smart enough to remove
// currently selected text (if any).
RawText rawText = RawText.fromTransferable(content);
String newText = text;
for (CopyPastePreProcessor preProcessor :
Extensions.getExtensions(CopyPastePreProcessor.EP_NAME)) {
newText = preProcessor.preprocessOnPaste(project, file, editor, newText, rawText);
}
int indentOptions =
text.equals(newText) ? settings.REFORMAT_ON_PASTE : CodeInsightSettings.REFORMAT_BLOCK;
text = newText;
if (LanguageFormatting.INSTANCE.forContext(file) == null
&& indentOptions != CodeInsightSettings.NO_REFORMAT) {
indentOptions = CodeInsightSettings.INDENT_BLOCK;
}
final String _text = text;
ApplicationManager.getApplication()
.runWriteAction(
new Runnable() {
@Override
public void run() {
EditorModificationUtil.insertStringAtCaret(editor, _text, false, true);
}
});
int length = text.length();
int offset = caretModel.getOffset() - length;
if (offset < 0) {
length += offset;
offset = 0;
}
final RangeMarker bounds = document.createRangeMarker(offset, offset + length);
caretModel.moveToOffset(bounds.getEndOffset());
editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
selectionModel.removeSelection();
final Ref<Boolean> indented = new Ref<Boolean>(Boolean.FALSE);
for (Map.Entry<CopyPastePostProcessor, TextBlockTransferableData> e : extraData.entrySet()) {
//noinspection unchecked
e.getKey()
.processTransferableData(project, editor, bounds, caretOffset, indented, e.getValue());
}
boolean pastedTextContainsWhiteSpacesOnly =
CharArrayUtil.shiftForward(document.getCharsSequence(), bounds.getStartOffset(), " \n\t")
>= bounds.getEndOffset();
VirtualFile virtualFile = file.getVirtualFile();
if (!pastedTextContainsWhiteSpacesOnly
&& (virtualFile == null
|| !SingleRootFileViewProvider.isTooLargeForIntelligence(virtualFile))) {
final int indentOptions1 = indentOptions;
ApplicationManager.getApplication()
.runWriteAction(
new Runnable() {
@Override
public void run() {
switch (indentOptions1) {
case CodeInsightSettings.INDENT_BLOCK:
if (!indented.get()) {
indentBlock(
project,
editor,
bounds.getStartOffset(),
bounds.getEndOffset(),
blockIndentAnchorColumn);
}
break;
case CodeInsightSettings.INDENT_EACH_LINE:
if (!indented.get()) {
indentEachLine(
project, editor, bounds.getStartOffset(), bounds.getEndOffset());
}
break;
case CodeInsightSettings.REFORMAT_BLOCK:
indentEachLine(
project,
editor,
bounds.getStartOffset(),
bounds
.getEndOffset()); // this is needed for example when inserting a
// comment before method
reformatBlock(
project, editor, bounds.getStartOffset(), bounds.getEndOffset());
break;
}
}
});
}
if (bounds.isValid()) {
caretModel.moveToOffset(bounds.getEndOffset());
editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
selectionModel.removeSelection();
editor.putUserData(EditorEx.LAST_PASTED_REGION, TextRange.create(bounds));
}
}
}