protected void addExpressionStyles(int lineOffset, int lineLenght, Vector<StyleRange> styles) {
final String content = document.get();
for (Expression exp : expressions) {
if (supportedTypes.keySet().contains(exp.getType())) {
try {
int i = lineOffset;
IRegion index = null;
index = finder.find(i, exp.getName(), true, true, true, false);
while (index != null && index.getOffset() < lineOffset + lineLenght) {
if (PatternLineStyleListener.isNotEscapeWord(content, index.getOffset())) {
styles.add(
new StyleRange(
index.getOffset(),
index.getLength(),
Display.getDefault().getSystemColor(supportedTypes.get(exp.getType())),
null,
SWT.BOLD));
}
i = index.getOffset() + index.getLength();
if (i < lineOffset + lineLenght) {
index = finder.find(i, exp.getName(), true, true, true, false);
} else {
index = null;
}
}
} catch (BadLocationException e) {
// Ignore
}
}
}
}
/**
* Determines whether each line is prefixed by one of the prefixes.
*
* @param startLine Start line in document
* @param endLine End line in document
* @param prefixes Possible comment prefixes
* @param document The document
* @return <code>true</code> iff each line from <code>startLine</code> to and including <code>
* endLine</code> is prepended by one of the <code>prefixes</code>, ignoring whitespace at the
* begin of line
*/
private boolean isBlockCommented(
int startLine, int endLine, String[] prefixes, IDocument document) {
try {
// check for occurrences of prefixes in the given lines
for (int i = startLine; i <= endLine; i++) {
IRegion line = document.getLineInformation(i);
String text = document.get(line.getOffset(), line.getLength());
int[] found = TextUtilities.indexOf(prefixes, text, 0);
if (found[0] == -1)
// found a line which is not commented
return false;
String s = document.get(line.getOffset(), found[0]);
s = s.trim();
if (s.length() != 0)
// found a line which is not commented
return false;
}
return true;
} catch (BadLocationException x) {
// should not happen
// FIXME Activator.getPlugin().log(x);
}
return false;
}
/**
* Returns the indentation of the line <code>line</code> in <code>document</code>. The returned
* string may contain pairs of leading slashes that are considered part of the indentation. The
* space before the asterix in a javadoc-like comment is not considered part of the indentation.
*
* @param document the document
* @param line the line
* @return the indentation of <code>line</code> in <code>document</code>
* @throws BadLocationException if the document is changed concurrently
*/
private static String getCurrentIndent(IDocument document, int line) throws BadLocationException {
IRegion region = document.getLineInformation(line);
int from = region.getOffset();
int endOffset = region.getOffset() + region.getLength();
// go behind line comments
int to = from;
while (to < endOffset - 2 && document.get(to, 2).equals(SLASHES)) to += 2;
while (to < endOffset) {
char ch = document.getChar(to);
if (!Character.isWhitespace(ch)) break;
to++;
}
// don't count the space before javadoc like, asterix-style comment lines
if (to > from && to < endOffset - 1 && document.get(to - 1, 2).equals(" *")) { // $NON-NLS-1$
String type =
TextUtilities.getContentType(document, IJavaPartitions.JAVA_PARTITIONING, to, true);
if (type.equals(IJavaPartitions.JAVA_DOC)
|| type.equals(IJavaPartitions.JAVA_MULTI_LINE_COMMENT)) to--;
}
return document.get(from, to - from);
}
/**
* Indents line <code>line</code> in <code>document</code> with <code>indent</code>. Leaves
* leading comment signs alone.
*
* @param document the document
* @param line the line
* @param indent the indentation to insert
* @param tabLength the length of a tab
* @throws BadLocationException on concurrent document modification
*/
private void addIndent(Document document, int line, CharSequence indent, int tabLength)
throws BadLocationException {
IRegion region = document.getLineInformation(line);
int insert = region.getOffset();
int endOffset = region.getOffset() + region.getLength();
// Compute insert after all leading line comment markers
int newInsert = insert;
while (newInsert < endOffset - 2 && document.get(newInsert, 2).equals(LINE_COMMENT))
newInsert += 2;
// Heuristic to check whether it is commented code or just a comment
if (newInsert > insert) {
int whitespaceCount = 0;
int i = newInsert;
while (i < endOffset - 1) {
char ch = document.get(i, 1).charAt(0);
if (!Character.isWhitespace(ch)) break;
whitespaceCount = whitespaceCount + computeVisualLength(ch, tabLength);
i++;
}
if (whitespaceCount != 0 && whitespaceCount >= CodeFormatterUtil.getIndentWidth(fProject))
insert = newInsert;
}
// Insert indent
document.replace(insert, 0, indent.toString());
}
public void run(IAction action) {
PyEdit pyEdit = getPyEdit();
PySelection ps = new PySelection(pyEdit);
if (ps.getSelLength() != 0) {
return;
}
try {
IDocument doc = ps.getDoc();
char c = doc.getChar(ps.getAbsoluteCursorOffset() - 1);
boolean opening = StringUtils.isOpeningPeer(c);
boolean closing = org.python.pydev.shared_core.string.StringUtils.isClosingPeer(c);
if (opening || closing) {
PythonPairMatcher matcher = new PythonPairMatcher();
IRegion match = matcher.match(doc, ps.getAbsoluteCursorOffset());
if (match != null) {
if (closing) {
pyEdit.setSelection(match.getOffset() + 1, 0);
} else { // opening
pyEdit.setSelection(match.getOffset() + match.getLength(), 0);
}
}
}
} catch (BadLocationException e) {
return;
}
}
/**
* @see com.mulgasoft.emacsplus.commands.EmacsPlusCmdHandler#transform(ITextEditor, IDocument,
* ITextSelection, ExecutionEvent)
*/
@Override
protected int transform(
ITextEditor editor, IDocument document, ITextSelection currentSelection, ExecutionEvent event)
throws BadLocationException {
int result = getCursorOffset(editor, currentSelection);
// get the selection encompassing the appropriate set of lines
ITextSelection selection = getLineSelection(editor, document, currentSelection);
if (selection != null) {
int offset = selection.getOffset();
int endOffset = offset + selection.getLength();
int begin = document.getLineOfOffset(offset);
int end = document.getLineOfOffset(endOffset);
if (begin != end && begin < end) {
ArrayList<String> alst = new ArrayList<String>();
IRegion region = document.getLineInformation(begin);
// get text from point or mark
alst.add(document.get(offset, region.getLength() - (offset - region.getOffset())));
for (int i = begin + 1; i < end; i++) {
region = document.getLineInformation(i);
// get full line of text
alst.add(document.get(region.getOffset(), region.getLength()));
}
region = document.getLineInformation(end);
// get text to point or mark
alst.add(document.get(region.getOffset(), endOffset - region.getOffset()));
Collections.sort(alst, (getComparator(isUniversalPresent())));
updateLines(document, selection, alst.toArray(new String[0]));
} else {
EmacsPlusUtils.showMessage(editor, NO_REGION, true);
}
} else {
EmacsPlusUtils.showMessage(editor, NO_REGION, true);
}
return result;
}
/* (non-Javadoc)
* @see org.eclipse.jface.text.ITextHover#getHoverInfo(org.eclipse.jface.text.ITextViewer, org.eclipse.jface.text.IRegion)
*/
public String getHoverInfo(ITextViewer textViewer, IRegion hoverRegion) {
ScriptStackFrame frame = getFrame();
if (frame == null) {
return null;
}
IDocument document = textViewer.getDocument();
if (document == null) {
return null;
}
try {
String str =
TextUtilities.getContentType(
document,
IDocumentExtension3.DEFAULT_PARTITIONING,
hoverRegion.getOffset() + 1,
true);
String variableName = document.get(hoverRegion.getOffset(), hoverRegion.getLength());
if (JSPartitionScanner.JS_KEYWORD.equals(str) && !"this".equals(variableName)) // $NON-NLS-1$
{
return null;
}
ScriptValue var = ((ScriptDebugTarget) frame.getDebugTarget()).evaluate(frame, variableName);
if (var != null) {
return getVariableText(var);
}
} catch (BadLocationException e) {
return null;
}
return null;
}
/** @see IPresentationDamager#getDamageRegion(ITypedRegion, DocumentEvent, boolean) */
public IRegion getDamageRegion(
final ITypedRegion partition,
final DocumentEvent event,
final boolean documentPartitioningChanged) {
if (!documentPartitioningChanged) {
try {
final IRegion info = fDocument.getLineInformationOfOffset(event.getOffset());
final int start = Math.max(partition.getOffset(), info.getOffset());
int end =
event.getOffset()
+ (event.getText() == null ? event.getLength() : event.getText().length());
if ((info.getOffset() <= end) && (end <= info.getOffset() + info.getLength())) {
// optimize the case of the same line
end = info.getOffset() + info.getLength();
} else {
end = endOfLineOf(end);
}
end = Math.min(partition.getOffset() + partition.getLength(), end);
return new Region(start, end - start);
} catch (final BadLocationException x) {
}
}
return partition;
}
protected CompoundRegion[] getRegionsWithoutWhiteSpaces(
IStructuredDocument model, IRegion reg, CSSCleanupStrategy stgy) {
int start = reg.getOffset();
int end = reg.getOffset() + reg.getLength() - 1;
ArrayList list = new ArrayList();
IStructuredDocumentRegion flatNode = model.getRegionAtCharacterOffset(start);
while (flatNode != null && flatNode.getStartOffset() <= end) {
ITextRegionList regionList = flatNode.getRegions();
Iterator it = regionList.iterator();
while (it.hasNext()) {
ITextRegion region = (ITextRegion) it.next();
if (flatNode.getStartOffset(region) < start) continue;
if (end < flatNode.getStartOffset(region)) break;
if (region.getType() != CSSRegionContexts.CSS_S
|| (isCleanup() && !stgy.isFormatSource())) // for
// not
// formatting
// case
// on
// cleanup
// action
list.add(new CompoundRegion(flatNode, region));
}
flatNode = flatNode.getNext();
}
if (list.size() > 0) {
CompoundRegion[] regions = new CompoundRegion[list.size()];
list.toArray(regions);
return regions;
}
return new CompoundRegion[0];
}
public static String getLineContentsToCursor(IDocument doc, int offset)
throws BadLocationException {
int lineOfOffset = doc.getLineOfOffset(offset);
IRegion lineInformation = doc.getLineInformation(lineOfOffset);
String lineToCursor =
doc.get(lineInformation.getOffset(), offset - lineInformation.getOffset());
return lineToCursor;
}
/**
* Formats the given selection
*
* @see IFormatter
*/
public void formatSelection(
IDocument doc, int[] regionsForSave, IPyEdit edit, PySelection ps, FormatStd formatStd) {
// Formatter formatter = new Formatter();
// formatter.formatSelection(doc, startLine, endLineIndex, edit, ps);
@SuppressWarnings({"rawtypes", "unchecked"})
List<Tuple3<Integer, Integer, String>> replaces = new ArrayList();
String docContents = doc.get();
String delimiter = PySelection.getDelimiter(doc);
IDocument formatted;
try {
formatted = new Document(formatAll(formatStd, true, docContents, delimiter));
} catch (SyntaxErrorException e) {
return;
}
// Actually replace the formatted lines: in our formatting, lines don't change, so, this is OK
// :)
try {
for (int i : regionsForSave) {
IRegion r = doc.getLineInformation(i);
int iStart = r.getOffset();
int iEnd = r.getOffset() + r.getLength();
String line = PySelection.getLine(formatted, i);
replaces.add(new Tuple3<Integer, Integer, String>(iStart, iEnd - iStart, line));
}
} catch (BadLocationException e) {
Log.log(e);
return;
}
// Apply the formatting from bottom to top (so that the indexes are still valid).
Collections.reverse(replaces);
for (Tuple3<Integer, Integer, String> tup : replaces) {
try {
doc.replace(tup.o1, tup.o2, tup.o3);
} catch (BadLocationException e) {
Log.log(e);
}
}
if (formatStd.addNewLineAtEndOfFile) {
try {
int len = doc.getLength();
if (len > 0) {
char lastChar = doc.getChar(len - 1);
if (lastChar != '\r' && lastChar != '\n') {
doc.replace(len, 0, PySelection.getDelimiter(doc));
}
}
} catch (Throwable e) {
Log.log(e);
}
}
}
private int getCodeEnd(IRegion li, String lineText, List<CommonToken> tokens) {
int j = lineText.length() - 1;
for (; j >= 0; j--) {
int offset = li.getOffset() + j;
if (!skipToken(tokens, offset)) break;
}
int endOfCodeInLine = li.getOffset() + j;
return endOfCodeInLine;
}
/**
* This function replaces all the contents in the current line before the cursor for the contents
* passed as parameter
*/
public void replaceLineContentsToSelection(String newContents) throws BadLocationException {
int lineOfOffset = getDoc().getLineOfOffset(getAbsoluteCursorOffset());
IRegion lineInformation = getDoc().getLineInformation(lineOfOffset);
getDoc()
.replace(
lineInformation.getOffset(),
getAbsoluteCursorOffset() - lineInformation.getOffset(),
newContents);
}
private int getCodeStart(IRegion li, String lineText, List<CommonToken> tokens) {
int k = 0;
for (; k < lineText.length(); k++) {
int offset = li.getOffset() + k;
if (!skipToken(tokens, offset)) break;
}
int startOfCodeInLine = li.getOffset() + k;
return startOfCodeInLine;
}
private int getStartOfPreviousLine(int offset) throws BadLocationException {
int line = document.getLineOfOffset(offset);
IRegion lineInfo;
do {
if (line == 0) return 0;
lineInfo = document.getLineInformation(--line);
} while (lineInfo.getLength() == 0 || isQuoted(lineInfo.getOffset()));
return lineInfo.getOffset();
}
/** @return if the region passed is composed of a single line */
public static boolean endsInSameLine(IDocument document, IRegion region) {
try {
int startLine = document.getLineOfOffset(region.getOffset());
int end = region.getOffset() + region.getLength();
int endLine = document.getLineOfOffset(end);
return startLine == endLine;
} catch (BadLocationException e) {
return false;
}
}
public static IRegion overlappedRegion(IRegion region, int start, int end) {
if (overlaps(region, start, end)) {
int offset = (region.getOffset() <= start) ? start : region.getOffset();
int length =
((end <= region.getOffset() + region.getLength())
? end
: region.getOffset() + region.getLength())
- offset;
return new FormatRegion(offset, length);
}
return null;
}
/**
* Returns the index of the first line whose start offset is in the given text range.
*
* @param region the text range in characters where to find the line
* @param document The document
* @return the first line whose start index is in the given range, -1 if there is no such line
*/
private int getFirstCompleteLineOfRegion(IRegion region, IDocument document) {
try {
int startLine = document.getLineOfOffset(region.getOffset());
int offset = document.getLineOffset(startLine);
if (offset >= region.getOffset()) return startLine;
offset = document.getLineOffset(startLine + 1);
return (offset > region.getOffset() + region.getLength() ? -1 : startLine + 1);
} catch (BadLocationException x) {
// should not happen
}
return -1;
}
protected final void formatChildren(ICSSNode node, IRegion region, StringBuffer source) {
ICSSNode child = node.getFirstChild();
int start = region.getOffset();
int end = region.getOffset() + region.getLength();
boolean first = true;
while (child != null) {
int curEnd = ((IndexedRegion) child).getEndOffset();
StringBuffer childSource = null;
boolean toFinish = false;
if (start < curEnd) {
int curStart = ((IndexedRegion) child).getStartOffset();
if (curStart < end) {
// append child
CSSSourceFormatter formatter =
(CSSSourceFormatter) ((INodeNotifier) child).getAdapterFor(CSSSourceFormatter.class);
if (formatter == null) {
formatter =
CSSSourceFormatterFactory.getInstance().getSourceFormatter((INodeNotifier) child);
}
if (includes(region, curStart, curEnd))
childSource = ((AbstractCSSSourceFormatter) formatter).formatProc(child);
else
childSource =
((AbstractCSSSourceFormatter) formatter)
.formatProc(child, overlappedRegion(region, curStart, curEnd));
} else toFinish = true;
}
// append between children
if (!first) {
curEnd = ((IndexedRegion) child).getStartOffset(); // change
// only
// start
if (start < curEnd) {
int curStart = ((IndexedRegion) child.getPreviousSibling()).getEndOffset();
if (curStart < end) {
String toAppend = (childSource != null) ? new String(childSource) : ""; // $NON-NLS-1$
if (includes(region, curStart, curEnd))
formatBefore(node, child, toAppend, source, null);
else
formatBefore(
node, child, overlappedRegion(region, curStart, curEnd), toAppend, source);
}
}
}
if (childSource != null) {
source.append(childSource);
}
first = false;
if (toFinish) break;
child = child.getNextSibling();
}
}
protected int endOfLineOf(int offset) throws BadLocationException {
IRegion info = document.getLineInformationOfOffset(offset);
if (offset <= info.getOffset() + info.getLength()) return info.getOffset() + info.getLength();
int line = document.getLineOfOffset(offset);
try {
info = document.getLineInformation(line + 1);
return info.getOffset() + info.getLength();
} catch (BadLocationException x) {
return document.getLength();
}
}
private IRegion modelRange2WidgetRange(IRegion region) {
ISourceViewer viewer = fEditor.getViewer();
if (viewer instanceof ITextViewerExtension5) {
ITextViewerExtension5 extension = (ITextViewerExtension5) viewer;
return extension.modelRange2WidgetRange(region);
}
IRegion visibleRegion = viewer.getVisibleRegion();
int start = region.getOffset() - visibleRegion.getOffset();
int end = start + region.getLength();
if (end > visibleRegion.getLength()) end = visibleRegion.getLength();
return new Region(start, end - start);
}
private String lineFor(final ITextViewer textViewer, final IRegion region) {
try {
return textViewer.getDocument().get(region.getOffset(), region.getLength()).trim();
} catch (final BadLocationException e) {
FeatureEditorPlugin.instance()
.error(
"Couldn't get line at region ("
+ region.getOffset()
+ ", "
+ region.getLength()
+ ")");
}
return null;
}
/** In event of partial selection, used to select the full lines involved. */
public void selectCompleteLine() {
if (doc.getNumberOfLines() == 1) {
this.textSelection = new TextSelection(doc, 0, doc.getLength());
return;
}
IRegion endLine = getEndLine();
IRegion startLine = getStartLine();
this.textSelection =
new TextSelection(
doc,
startLine.getOffset(),
endLine.getOffset() + endLine.getLength() - startLine.getOffset());
}
/**
* Creates a region describing the text block (something that starts at the beginning of a line)
* completely containing the current selection.
*
* @param selection The selection to use
* @param document The document
* @return the region describing the text block comprising the given selection
*/
private IRegion getTextBlockFromSelection(ITextSelection selection, IDocument document) {
try {
IRegion line = document.getLineInformationOfOffset(selection.getOffset());
int length =
selection.getLength() == 0
? line.getLength()
: selection.getLength() + (selection.getOffset() - line.getOffset());
return new Region(line.getOffset(), length);
} catch (BadLocationException x) {
// should not happen
// JavaPlugin.log(x);
}
return null;
}
/**
* Indents line <code>line</code> in <code>document</code> with <code>indent</code>. Leaves
* leading comment signs alone.
*
* @param document the document
* @param line the line
* @param indent the indentation to insert
* @param commentlines
* @throws BadLocationException on concurrent document modification
*/
private static void addIndent(
IDocument document, int line, CharSequence indent, boolean[] commentlines, int relative)
throws BadLocationException {
IRegion region = document.getLineInformation(line);
int insert = region.getOffset();
int endOffset = region.getOffset() + region.getLength();
// go behind line comments
if (!commentlines[relative]) {
while (insert < endOffset - 2 && document.get(insert, 2).equals(SLASHES)) insert += 2;
}
// insert indent
document.replace(insert, 0, indent.toString());
}
private List<IRegion> getAttributeValueELRegions(ITextViewer viewer) {
List<IRegion> regions = getAttributeValueRegions(viewer);
List<IRegion> elRegions = new ArrayList<IRegion>();
String documentContent = document.get();
if (documentContent != null) {
for (IRegion r : regions) {
int offset = indexOfElBOB(documentContent, r.getOffset());
if (offset != -1 && offset < r.getOffset() + r.getLength()) {
elRegions.add(r);
}
}
}
return elRegions;
}
/**
* @param change
* @return Map <Integer oldOffset, Integer updatedOffset>
*/
private static Map<Integer, Integer> getEditChangeOffsetUpdates(TextChange change) {
TextEditChangeGroup[] editChanges = change.getTextEditChangeGroups();
Map<Integer, Integer> offsetUpdates = new HashMap<>(editChanges.length);
for (int i = 0; i < editChanges.length; i++) {
TextEditChangeGroup editChange = editChanges[i];
IRegion oldRegion = editChange.getRegion();
if (oldRegion == null) continue;
IRegion updatedRegion =
TextEdit.getCoverage(change.getPreviewEdits(editChange.getTextEdits()));
if (updatedRegion == null) continue;
offsetUpdates.put(new Integer(oldRegion.getOffset()), new Integer(updatedRegion.getOffset()));
}
return offsetUpdates;
}
public static List<IRegion> getRegions(IDocument document, IRegion region) {
List<IRegion> exclude = new ArrayList<>();
try {
Matcher m = JAVA_DOC_TAG.matcher(document.get(region.getOffset(), region.getLength()));
while (m.find()) {
exclude.add(new Region(m.start() + region.getOffset(), m.end() - m.start()));
}
} catch (BadLocationException e) {
// OK, do not exclude any regions.
}
return SpellingUtils.excludeRegions(region, exclude);
}
/**
* Returns the variable and function names at the current line, or <code>null</code> if none.
*
* @param part text editor
* @param selection text selection
* @return the variable and function names at the current line, or <code>null</code> if none. The
* array has two elements, the first is the variable name, the second is the function name.
*/
protected String[] getVariableAndFunctionName(IWorkbenchPart part, ISelection selection) {
ITextEditor editor = getEditor(part);
if (editor != null && selection instanceof ITextSelection) {
ITextSelection textSelection = (ITextSelection) selection;
IDocumentProvider documentProvider = editor.getDocumentProvider();
try {
documentProvider.connect(this);
IDocument document = documentProvider.getDocument(editor.getEditorInput());
IRegion region = document.getLineInformationOfOffset(textSelection.getOffset());
String string = document.get(region.getOffset(), region.getLength()).trim();
if (string.startsWith("var ")) { // $NON-NLS-1$
String varName = string.substring(4).trim();
String fcnName =
getFunctionName(
document, varName, document.getLineOfOffset(textSelection.getOffset()));
return new String[] {varName, fcnName};
}
} catch (CoreException e) {
} catch (BadLocationException e) {
} finally {
documentProvider.disconnect(this);
}
}
return null;
}
/**
* Calculates the common scope between the end of one line and the beginning of the next.
*
* @param document
* @param line
* @param endOfLineScope
* @return
* @throws BadLocationException
*/
private String getScope(IDocument document, int line, String endOfLineScope)
throws BadLocationException {
// if this is the last line, just use the scope at the end of it.
int lines = document.getNumberOfLines();
if (line + 1 >= lines) {
return endOfLineScope;
}
// now grab the scope at the beginning of the next line...
IRegion nextLine = document.getLineInformation(line + 1);
// If the next line is empty, take our end of line scope
if (nextLine.getLength() == 0) {
return endOfLineScope;
}
String startOfNextLineScope =
getScopeManager().getScopeAtOffset(document, nextLine.getOffset());
// Calculate the common prefix between the two!
StringBuilder builder = new StringBuilder();
int length = Math.min(endOfLineScope.length(), startOfNextLineScope.length());
for (int i = 0; i < length; i++) {
char c = endOfLineScope.charAt(i);
char o = startOfNextLineScope.charAt(i);
if (c == o) {
builder.append(c);
}
}
return builder.toString();
}
