/**
* Tries to calculate given line's indent column assuming that there might be a comment at the
* given indent offset (see {@link #getCommentPrefix(IElementType)}).
*
* @param line target line
* @param indentOffset start indent offset to use for the given line
* @param lineEndOffset given line's end offset
* @param fallbackColumn column to return if it's not possible to apply comment-specific indent
* calculation rules
* @return given line's indent column to use
*/
private int calcIndent(int line, int indentOffset, int lineEndOffset, int fallbackColumn) {
final HighlighterIterator it = myEditor.getHighlighter().createIterator(indentOffset);
IElementType tokenType = it.getTokenType();
Language language = tokenType.getLanguage();
TokenSet comments = myComments.get(language);
if (comments == null) {
ParserDefinition definition = LanguageParserDefinitions.INSTANCE.forLanguage(language);
if (definition != null) {
comments = definition.getCommentTokens();
}
if (comments == null) {
return fallbackColumn;
} else {
myComments.put(language, comments);
}
}
if (comments.contains(tokenType) && indentOffset == it.getStart()) {
String prefix = COMMENT_PREFIXES.get(tokenType);
if (prefix == null) {
prefix = getCommentPrefix(tokenType);
}
if (!NO_COMMENT_INFO_MARKER.equals(prefix)) {
final int indentInsideCommentOffset =
CharArrayUtil.shiftForward(
myChars, indentOffset + prefix.length(), lineEndOffset, " \t");
if (indentInsideCommentOffset < lineEndOffset) {
int indent = myEditor.calcColumnNumber(indentInsideCommentOffset, line);
indentAfterUncomment.put(line, indent - prefix.length());
return indent;
}
}
}
return fallbackColumn;
}
@Override
public void advance() {
myCurrentStart = getCurrentStart();
myCurrentEnd = getCurrentEnd();
myCurrentAttributes = myIterator.getTextAttributes();
myIterator.advance();
skipBadCharacters();
}
public static List<IElementType> getAllTokens(EditorHighlighter highlighter) {
List<IElementType> tokens = new ArrayList<IElementType>();
HighlighterIterator iterator = highlighter.createIterator(0);
while (!iterator.atEnd()) {
tokens.add(iterator.getTokenType());
iterator.advance();
}
return tokens;
}
private static List<BidiRun> createRuns(EditorImpl editor, char[] text, int startOffsetInEditor) {
int textLength = text.length;
if (editor.myDisableRtl) return Collections.singletonList(new BidiRun((byte) 0, 0, textLength));
List<BidiRun> runs = new ArrayList<BidiRun>();
if (startOffsetInEditor >= 0) {
// running bidi algorithm separately for text fragments corresponding to different lexer
// tokens
int lastOffset = startOffsetInEditor;
IElementType lastToken = null;
HighlighterIterator iterator = editor.getHighlighter().createIterator(startOffsetInEditor);
int endOffsetInEditor = startOffsetInEditor + textLength;
while (!iterator.atEnd() && iterator.getStart() < endOffsetInEditor) {
IElementType currentToken = iterator.getTokenType();
if (distinctTokens(lastToken, currentToken)) {
int tokenStart = Math.max(iterator.getStart(), startOffsetInEditor);
addRuns(runs, text, lastOffset - startOffsetInEditor, tokenStart - startOffsetInEditor);
lastToken = currentToken;
lastOffset = tokenStart;
}
iterator.advance();
}
addRuns(
runs, text, lastOffset - startOffsetInEditor, endOffsetInEditor - startOffsetInEditor);
} else {
addRuns(runs, text, 0, textLength);
}
return runs;
}
private static boolean isAtTokenNeeded(InsertionContext myContext) {
HighlighterIterator iterator =
((EditorEx) myContext.getEditor())
.getHighlighter()
.createIterator(myContext.getStartOffset());
LOG.assertTrue(iterator.getTokenType() == JavaTokenType.IDENTIFIER);
iterator.retreat();
if (iterator.getTokenType() == TokenType.WHITE_SPACE) iterator.retreat();
return iterator.getTokenType() != JavaTokenType.AT
&& iterator.getTokenType() != JavaTokenType.DOT;
}
private void paintBorderEffect(
Graphics2D g,
ClipDetector clipDetector,
EditorHighlighter highlighter,
int clipStartOffset,
int clipEndOffset) {
HighlighterIterator it = highlighter.createIterator(clipStartOffset);
while (!it.atEnd() && it.getStart() < clipEndOffset) {
TextAttributes attributes = it.getTextAttributes();
if (isBorder(attributes)) {
paintBorderEffect(g, clipDetector, it.getStart(), it.getEnd(), attributes);
}
it.advance();
}
}
/**
* Calculates number of unmatched left braces before the given offset.
*
* @param editor target editor
* @param offset target offset
* @param fileType target file type
* @return number of unmatched braces before the given offset; negative value if it's not possible
* to perform the calculation or if there are no unmatched left braces before the given offset
*/
protected static int getUnmatchedLBracesNumberBefore(
Editor editor, int offset, FileType fileType) {
if (offset == 0) {
return -1;
}
CharSequence chars = editor.getDocument().getCharsSequence();
if (chars.charAt(offset - 1) != '{') {
return -1;
}
EditorHighlighter highlighter = ((EditorEx) editor).getHighlighter();
HighlighterIterator iterator = highlighter.createIterator(offset - 1);
BraceMatcher braceMatcher = BraceMatchingUtil.getBraceMatcher(fileType, iterator);
if (!braceMatcher.isLBraceToken(iterator, chars, fileType)
|| !braceMatcher.isStructuralBrace(iterator, chars, fileType)) {
return -1;
}
Language language = iterator.getTokenType().getLanguage();
iterator = highlighter.createIterator(0);
int lBracesBeforeOffset = 0;
int lBracesAfterOffset = 0;
int rBracesBeforeOffset = 0;
int rBracesAfterOffset = 0;
for (; !iterator.atEnd(); iterator.advance()) {
IElementType tokenType = iterator.getTokenType();
if (!tokenType.getLanguage().equals(language)
|| !braceMatcher.isStructuralBrace(iterator, chars, fileType)) {
continue;
}
boolean beforeOffset = iterator.getStart() < offset;
if (braceMatcher.isLBraceToken(iterator, chars, fileType)) {
if (beforeOffset) {
lBracesBeforeOffset++;
} else {
lBracesAfterOffset++;
}
} else if (braceMatcher.isRBraceToken(iterator, chars, fileType)) {
if (beforeOffset) {
rBracesBeforeOffset++;
} else {
rBracesAfterOffset++;
}
}
}
return lBracesBeforeOffset - rBracesBeforeOffset - (rBracesAfterOffset - lBracesAfterOffset);
}
@Override
@NotNull
public Map<TodoIndexEntry, Integer> map(@NotNull final FileContent inputData) {
if (IndexPatternUtil.getIndexPatternCount() > 0) {
final CharSequence chars = inputData.getContentAsText();
final OccurrenceConsumer occurrenceConsumer = new OccurrenceConsumer(null, true);
EditorHighlighter highlighter;
final EditorHighlighter editorHighlighter = inputData.getUserData(EDITOR_HIGHLIGHTER);
if (editorHighlighter != null
&& checkCanUseCachedEditorHighlighter(chars, editorHighlighter)) {
highlighter = editorHighlighter;
} else {
highlighter = HighlighterFactory.createHighlighter(inputData.getProject(), myFile);
highlighter.setText(chars);
}
final int documentLength = chars.length();
BaseFilterLexer.TodoScanningState todoScanningState = null;
final HighlighterIterator iterator = highlighter.createIterator(0);
while (!iterator.atEnd()) {
final IElementType token = iterator.getTokenType();
if (myCommentTokens.contains(token) || CacheUtil.isInComments(token)) {
int start = iterator.getStart();
if (start >= documentLength) break;
int end = iterator.getEnd();
todoScanningState =
BaseFilterLexer.advanceTodoItemsCount(
chars.subSequence(start, Math.min(end, documentLength)),
occurrenceConsumer,
todoScanningState);
if (end > documentLength) break;
}
iterator.advance();
}
final Map<TodoIndexEntry, Integer> map = new HashMap<>();
for (IndexPattern pattern : IndexPatternUtil.getIndexPatterns()) {
final int count = occurrenceConsumer.getOccurrenceCount(pattern);
if (count > 0) {
map.put(
new TodoIndexEntry(pattern.getPatternString(), pattern.isCaseSensitive()), count);
}
}
return map;
}
return Collections.emptyMap();
}
protected boolean handleBackspace(
Editor editor, Caret caret, DataContext dataContext, boolean toWordStart) {
Project project = CommonDataKeys.PROJECT.getData(dataContext);
if (project == null) return false;
PsiFile file = PsiUtilBase.getPsiFileInEditor(editor, project);
if (file == null) return false;
if (editor.getSelectionModel().hasSelection()) return false;
int offset = editor.getCaretModel().getOffset() - 1;
if (offset < 0) return false;
CharSequence chars = editor.getDocument().getCharsSequence();
char c = chars.charAt(offset);
final Editor injectedEditor =
TypedHandler.injectedEditorIfCharTypedIsSignificant(c, editor, file);
final Editor originalEditor = editor;
if (injectedEditor != editor) {
int injectedOffset = injectedEditor.getCaretModel().getOffset();
if (isOffsetInsideInjected(injectedEditor, injectedOffset)) {
file = PsiDocumentManager.getInstance(project).getPsiFile(injectedEditor.getDocument());
editor = injectedEditor;
offset = injectedOffset - 1;
}
}
final BackspaceHandlerDelegate[] delegates =
Extensions.getExtensions(BackspaceHandlerDelegate.EP_NAME);
if (!toWordStart) {
for (BackspaceHandlerDelegate delegate : delegates) {
delegate.beforeCharDeleted(c, file, editor);
}
}
FileType fileType = file.getFileType();
final QuoteHandler quoteHandler = TypedHandler.getQuoteHandler(file, editor);
HighlighterIterator hiterator = ((EditorEx) editor).getHighlighter().createIterator(offset);
boolean wasClosingQuote =
quoteHandler != null && quoteHandler.isClosingQuote(hiterator, offset);
myOriginalHandler.execute(originalEditor, caret, dataContext);
if (!toWordStart) {
for (BackspaceHandlerDelegate delegate : delegates) {
if (delegate.charDeleted(c, file, editor)) {
return true;
}
}
}
if (offset >= editor.getDocument().getTextLength()) return true;
chars = editor.getDocument().getCharsSequence();
if ((c == '(' || c == '[' || c == '{')
&& CodeInsightSettings.getInstance().AUTOINSERT_PAIR_BRACKET) {
char c1 = chars.charAt(offset);
if (c1 != getRightChar(c)) return true;
HighlighterIterator iterator = ((EditorEx) editor).getHighlighter().createIterator(offset);
BraceMatcher braceMatcher = BraceMatchingUtil.getBraceMatcher(fileType, iterator);
if (!braceMatcher.isLBraceToken(iterator, chars, fileType)
&& !braceMatcher.isRBraceToken(iterator, chars, fileType)) {
return true;
}
int rparenOffset =
BraceMatchingUtil.findRightmostRParen(iterator, iterator.getTokenType(), chars, fileType);
if (rparenOffset >= 0) {
iterator = ((EditorEx) editor).getHighlighter().createIterator(rparenOffset);
boolean matched = BraceMatchingUtil.matchBrace(chars, fileType, iterator, false);
if (matched) return true;
}
editor.getDocument().deleteString(offset, offset + 1);
} else if ((c == '"' || c == '\'' || c == '`')
&& CodeInsightSettings.getInstance().AUTOINSERT_PAIR_QUOTE) {
char c1 = chars.charAt(offset);
if (c1 != c) return true;
if (wasClosingQuote) return true;
HighlighterIterator iterator = ((EditorEx) editor).getHighlighter().createIterator(offset);
if (quoteHandler == null || !quoteHandler.isOpeningQuote(iterator, offset)) return true;
editor.getDocument().deleteString(offset, offset + 1);
}
return true;
}
public static boolean semicolonNeeded(final Editor editor, PsiFile file, final int startOffset) {
final PsiJavaCodeReferenceElement ref =
PsiTreeUtil.findElementOfClassAtOffset(
file, startOffset, PsiJavaCodeReferenceElement.class, false);
if (ref != null && !(ref instanceof PsiReferenceExpression)) {
if (ref.getParent() instanceof PsiTypeElement) {
return true;
}
}
HighlighterIterator iterator = ((EditorEx) editor).getHighlighter().createIterator(startOffset);
if (iterator.atEnd()) return false;
if (iterator.getTokenType() == JavaTokenType.IDENTIFIER) {
iterator.advance();
}
while (!iterator.atEnd()
&& ElementType.JAVA_COMMENT_OR_WHITESPACE_BIT_SET.contains(iterator.getTokenType())) {
iterator.advance();
}
if (!iterator.atEnd()
&& (iterator.getTokenType() == JavaTokenType.LPARENTH
|| iterator.getTokenType() == JavaTokenType.COLON)) {
return true;
}
while (!iterator.atEnd()
&& ElementType.JAVA_COMMENT_OR_WHITESPACE_BIT_SET.contains(iterator.getTokenType())) {
iterator.advance();
}
if (iterator.atEnd() || iterator.getTokenType() != JavaTokenType.IDENTIFIER) return false;
iterator.advance();
while (!iterator.atEnd()
&& ElementType.JAVA_COMMENT_OR_WHITESPACE_BIT_SET.contains(iterator.getTokenType())) {
iterator.advance();
}
if (iterator.atEnd()) return false;
return iterator.getTokenType() == JavaTokenType.EQ
|| iterator.getTokenType() == JavaTokenType.LPARENTH;
}
private void skipBadCharacters() {
while (!myIterator.atEnd() && myIterator.getTokenType() == TokenType.BAD_CHARACTER) {
myIterator.advance();
}
}
private int getCurrentEnd() {
return Math.min(myIterator.getEnd(), myEndOffset);
}
private int getCurrentStart() {
return Math.max(myIterator.getStart(), myStartOffset);
}
@Override
public boolean atEnd() {
return myIterator.atEnd() || getCurrentStart() >= myEndOffset;
}
protected String addTextRangeToHistory(
TextRange textRange, final EditorEx consoleEditor, boolean preserveMarkup) {
final Document history = myHistoryViewer.getDocument();
final MarkupModel markupModel = DocumentMarkupModel.forDocument(history, myProject, true);
if (myPrompt != null) {
appendToHistoryDocument(history, myPrompt);
}
markupModel.addRangeHighlighter(
history.getTextLength() - StringUtil.length(myPrompt),
history.getTextLength(),
HighlighterLayer.SYNTAX,
ConsoleViewContentType.USER_INPUT.getAttributes(),
HighlighterTargetArea.EXACT_RANGE);
final int localStartOffset = textRange.getStartOffset();
String text;
EditorHighlighter highlighter;
if (consoleEditor instanceof EditorWindow) {
EditorWindow editorWindow = (EditorWindow) consoleEditor;
EditorColorsScheme scheme = EditorColorsManager.getInstance().getGlobalScheme();
PsiFile file = editorWindow.getInjectedFile();
final VirtualFile virtualFile = file.getVirtualFile();
assert virtualFile != null;
highlighter = HighlighterFactory.createHighlighter(virtualFile, scheme, getProject());
String fullText = InjectedLanguageUtil.getUnescapedText(file, null, null);
highlighter.setText(fullText);
text = textRange.substring(fullText);
} else {
text = consoleEditor.getDocument().getText(textRange);
highlighter = consoleEditor.getHighlighter();
}
// offset can be changed after text trimming after insert due to buffer constraints
appendToHistoryDocument(history, text);
int offset = history.getTextLength() - text.length();
final HighlighterIterator iterator = highlighter.createIterator(localStartOffset);
final int localEndOffset = textRange.getEndOffset();
while (!iterator.atEnd()) {
final int itStart = iterator.getStart();
if (itStart > localEndOffset) break;
final int itEnd = iterator.getEnd();
if (itEnd >= localStartOffset) {
final int start = Math.max(itStart, localStartOffset) - localStartOffset + offset;
final int end = Math.min(itEnd, localEndOffset) - localStartOffset + offset;
markupModel.addRangeHighlighter(
start,
end,
HighlighterLayer.SYNTAX,
iterator.getTextAttributes(),
HighlighterTargetArea.EXACT_RANGE);
}
iterator.advance();
}
if (preserveMarkup) {
duplicateHighlighters(
markupModel,
DocumentMarkupModel.forDocument(consoleEditor.getDocument(), myProject, true),
offset,
textRange);
duplicateHighlighters(markupModel, consoleEditor.getMarkupModel(), offset, textRange);
}
if (!text.endsWith("\n")) {
appendToHistoryDocument(history, "\n");
}
return text;
}
public boolean isOpeningQuote(HighlighterIterator iterator, int offset) {
return iterator.getTokenType() == XmlTokenType.XML_ATTRIBUTE_VALUE_START_DELIMITER;
}