/**
* Replaces text in the specified range with the replacement string.
*
* @param view The view
* @param buffer The buffer
* @param start The start offset
* @param end The end offset
* @return True if the operation was successful, false otherwise
*/
public static boolean replace(View view, Buffer buffer, int start, int end) {
if (!buffer.isEditable()) return false;
// component that will parent any dialog boxes
Component comp = SearchDialog.getSearchDialog(view);
if (comp == null) comp = view;
boolean smartCaseReplace = getSmartCaseReplace();
try {
buffer.beginCompoundEdit();
SearchMatcher matcher = getSearchMatcher();
if (matcher == null) return false;
initReplace();
int retVal = 0;
retVal += _replace(view, buffer, matcher, start, end, smartCaseReplace);
if (retVal != 0) return true;
} catch (Exception e) {
handleError(comp, e);
} finally {
buffer.endCompoundEdit();
}
return false;
} // }}}
public void update() {
Buffer buffer = view.getBuffer();
String wrap = buffer.getStringProperty("wrap");
if (wrap.equals("none")) this.wrap.setText("-");
else if (wrap.equals("hard")) this.wrap.setText("H");
else if (wrap.equals("soft")) this.wrap.setText("S");
}
/**
* insert text.
*
* <p>/** invokes an Action.
*
* @param view The view to run the script in.
* @param node The node item
* @param text The node content to be inserted.
*/
public static void insertText(View view, String text, XTreeNode node) {
CommandQueue queue = new CommandQueue();
ScriptContext context = new ScriptContext(view, node, queue);
Buffer buffer = view.getBuffer();
buffer.beginCompoundEdit();
InsertTextCommand.insertText(text, context);
buffer.endCompoundEdit();
}
/**
* runs an XInsertScript.
*
* @param view The view to run the script in.
* @param script The node content to be run as a script.
* @param node The node from where to start searching for variable substitutions
*/
public static void runXInsertScript(View view, String script, XTreeNode node) {
CommandQueue queue = new CommandQueue();
Buffer buffer = view.getBuffer();
buffer.beginCompoundEdit();
try {
char[] chars = script.toCharArray();
int start = 0;
for (int i = start; i < chars.length; i++) {
switch (chars[i]) {
case '{':
if (chars[i + 1] == '$'
|| chars[i + 1] == '@'
|| chars[i + 1] == '!'
|| chars[i + 1] == '%'
|| chars[i + 1] == '#'
|| chars[i + 1] == '*'
|| chars[i + 1] == '&') {
// Log.log(Log.DEBUG, XScripter.class, "Adding insert text (\"" + text + "\") command
// to queue");
// Insert the text between the last command and this one
String text = script.substring(start, i);
queue.add(new InsertTextCommand(text));
int j;
inner:
for (j = i; j < chars.length; j++) {
if (chars[j] == '}' && chars[j - 1] != '\\') { // If end of command
String cmd = script.substring(i + 1, j);
cmd = Utilities.replace(cmd, "\\}", "}");
queue.add(getCommand(view, node, cmd)); // Add this command to queue
break inner;
}
}
i = j; // set parsing to continue at the end of the command
start = j + 1; // set the start position for the next insert text command
}
break;
}
}
String remainder = script.substring(start, script.length());
queue.add(new InsertTextCommand(remainder)); // Insert the text left over
// Run commands in queue
ScriptContext context = new ScriptContext(view, node, queue);
queue.executeAll(context);
} catch (StringIndexOutOfBoundsException e) {
doError("Unknown", "Missing \"}\"");
return;
} catch (Exception e) {
doError("Unknown", "Syntax error in script - Execution Aborted", e);
return;
} finally {
buffer.endCompoundEdit();
}
} // }}}
/** Build config for parsing. */
static ParserConfig forParsing(Buffer buffer, DefaultErrorSource errorSource) {
ParserConfig config = new ParserConfig(buffer, errorSource);
config.showErrors = Options.getBool("showErrors");
config.displayCodeParameters = Options.getBool("displayCodeParameters");
config.showDoccoHeadings = Options.getBool("showDoccoHeadings");
config.isCakefile = buffer.getName().equals("Cakefile");
return config;
}
/**
* Creates a new buffer I/O request.
*
* @param view The view
* @param buffer The buffer
* @param session The VFS session
* @param vfs The VFS
* @param path The path
*/
protected BufferIORequest(View view, Buffer buffer, Object session, VFS vfs, String path) {
this.view = view;
this.buffer = buffer;
this.session = session;
this.vfs = vfs;
this.path = path;
markersPath = Buffer.getMarkersPath(vfs, path);
} // }}}
/**
* Saves the specifies buffer. The default implementation posts an I/O request to the I/O thread.
*
* @param view The view
* @param buffer The buffer
* @param path The path
*/
public boolean save(View view, Buffer buffer, String path) {
if ((getCapabilities() & WRITE_CAP) == 0) {
VFSManager.error(view, path, "vfs.not-supported.save", new String[] {name});
return false;
}
Object session = createVFSSession(path, view);
if (session == null) return false;
/* When doing a 'save as', the path to save to (path)
* will not be the same as the buffer's previous path
* (buffer.getPath()). In that case, we want to create
* a backup of the new path, even if the old path was
* backed up as well (BACKED_UP property set) */
if (!path.equals(buffer.getPath())) buffer.unsetProperty(Buffer.BACKED_UP);
VFSManager.runInWorkThread(new BufferSaveRequest(view, buffer, session, this, path));
return true;
} // }}}
public static Buffer createFeatureBuffer() {
View view = jEdit.getActiveView();
String parent = null;
if (view != null) {
Buffer buffer = view.getBuffer();
parent = buffer.getDirectory();
}
if (parent == null) {
parent = System.getProperty("user.home");
}
VFS vfs = VFSManager.getVFSForPath(parent);
if ((vfs.getCapabilities() & VFS.WRITE_CAP) == 0) {
// cannot write on that VFS, creating untitled buffer in home directory
parent = System.getProperty("user.home");
}
Buffer buffer = jEdit.openTemporary(view, tempPath(), getNextFeatureTemp(), true, null);
jEdit.commitTemporary(buffer);
return buffer;
}
/**
* Loads the specified buffer. The default implementation posts an I/O request to the I/O thread.
*
* @param view The view
* @param buffer The buffer
* @param path The path
*/
public boolean load(View view, Buffer buffer, String path) {
if ((getCapabilities() & READ_CAP) == 0) {
VFSManager.error(view, path, "vfs.not-supported.load", new String[] {name});
return false;
}
Object session = createVFSSession(path, view);
if (session == null) return false;
if ((getCapabilities() & WRITE_CAP) == 0) buffer.setReadOnly(true);
BufferIORequest request = new BufferLoadRequest(view, buffer, session, this, path);
if (buffer.isTemporary())
// this makes HyperSearch much faster
request.run();
else VFSManager.runInWorkThread(request);
return true;
} // }}}
/**
* Finds the next instance of the search string in the specified buffer.
*
* @param view The view
* @param buffer The buffer
* @param start Location where to start the search
* @param firstTime See {@link
* SearchMatcher#nextMatch(CharSequence,boolean,boolean,boolean,boolean)}.
* @since jEdit 4.1pre7
*/
public static boolean find(
View view, Buffer buffer, int start, boolean firstTime, boolean reverse) throws Exception {
EditBus.send(new PositionChanging(view.getEditPane()));
SearchMatcher matcher = getSearchMatcher();
if (matcher == null) {
view.getToolkit().beep();
return false;
}
CharSequence text;
boolean startOfLine;
boolean endOfLine;
if (reverse) {
text = new ReverseCharSequence(buffer.getSegment(0, start));
startOfLine = true;
endOfLine = (buffer.getLineEndOffset(buffer.getLineOfOffset(start)) - 1 == start);
} else {
text = buffer.getSegment(start, buffer.getLength() - start);
startOfLine = (buffer.getLineStartOffset(buffer.getLineOfOffset(start)) == start);
endOfLine = true;
}
String noWordSep = buffer.getStringProperty("noWordSep");
matcher.setNoWordSep(noWordSep);
SearchMatcher.Match match = matcher.nextMatch(text, startOfLine, endOfLine, firstTime, reverse);
if (match != null) {
jEdit.commitTemporary(buffer);
view.setBuffer(buffer, true);
JEditTextArea textArea = view.getTextArea();
if (reverse) {
textArea.setSelection(new Selection.Range(start - match.end, start - match.start));
// make sure end of match is visible
textArea.scrollTo(start - match.start, false);
textArea.moveCaretPosition(start - match.end);
} else {
textArea.setSelection(new Selection.Range(start + match.start, start + match.end));
textArea.moveCaretPosition(start + match.end);
// make sure start of match is visible
textArea.scrollTo(start + match.start, false);
}
return true;
} else return false;
} // }}}
// {{{ write() method
protected void write(Buffer buffer, OutputStream out) throws IOException {
String encodingName = buffer.getStringProperty(JEditBuffer.ENCODING);
Encoding encoding = EncodingServer.getEncoding(encodingName);
Writer writer = encoding.getTextWriter(new BufferedOutputStream(out, getByteIOBufferSize()));
Segment lineSegment = new Segment();
String newline = buffer.getStringProperty(JEditBuffer.LINESEP);
if (newline == null) newline = System.getProperty("line.separator");
final int bufferLineCount = buffer.getLineCount();
setMaximum(bufferLineCount / PROGRESS_INTERVAL);
setValue(0);
int i = 0;
while (i < bufferLineCount) {
buffer.getLineText(i, lineSegment);
try {
writer.write(lineSegment.array, lineSegment.offset, lineSegment.count);
if (i < bufferLineCount - 1
|| (jEdit.getBooleanProperty("stripTrailingEOL")
&& buffer.getBooleanProperty(Buffer.TRAILING_EOL))) {
writer.write(newline);
}
} catch (CharacterCodingException e) {
String message =
getWriteEncodingErrorMessage(
encodingName, encoding,
lineSegment, i);
IOException wrapping = new CharConversionException(message);
wrapping.initCause(e);
throw wrapping;
}
if (++i % PROGRESS_INTERVAL == 0) setValue(i / PROGRESS_INTERVAL);
}
writer.flush();
} // }}}
// {{{ print() method
public static void print(final View view, final Buffer buffer, boolean selection) {
job = getPrintJob(buffer.getPath());
boolean header = jEdit.getBooleanProperty("print.header");
boolean footer = jEdit.getBooleanProperty("print.footer");
boolean lineNumbers = jEdit.getBooleanProperty("print.lineNumbers");
boolean color = jEdit.getBooleanProperty("print.color");
Font font = jEdit.getFontProperty("print.font");
BufferPrintable printable =
new BufferPrintable(job, format, view, buffer, font, header, footer, lineNumbers, color);
job.setPrintable(printable);
if (!job.printDialog(format)) return;
savePrintSpec();
printable.print();
} // }}}
/**
* Finds the next occurrence of the search string.
*
* @param view The view
* @return True if the operation was successful, false otherwise
*/
public static boolean find(View view) {
// component that will parent any dialog boxes
Component comp = SearchDialog.getSearchDialog(view);
if (comp == null || !comp.isShowing()) comp = view;
String path = fileset.getNextFile(view, null);
if (path == null) {
GUIUtilities.error(comp, "empty-fileset", null);
return false;
}
try {
view.showWaitCursor();
SearchMatcher matcher = getSearchMatcher();
if (matcher == null) {
view.getToolkit().beep();
return false;
}
record(view, "find(view)", false, true);
boolean repeat = false;
loop:
for (; ; ) {
while (path != null) {
Buffer buffer = jEdit.openTemporary(view, null, path, false);
/* this is stupid and misleading.
* but 'path' is not used anywhere except
* the above line, and if this is done
* after the 'continue', then we will
* either hang, or be forced to duplicate
* it inside the buffer == null, or add
* a 'finally' clause. you decide which one's
* worse. */
if (reverse) {
path = fileset.getPrevFile(view, path);
} else {
path = fileset.getNextFile(view, path);
}
if (buffer == null) continue loop;
// Wait for the buffer to load
if (!buffer.isLoaded()) VFSManager.waitForRequests();
int start;
if (view.getBuffer() == buffer && !repeat) {
JEditTextArea textArea = view.getTextArea();
Selection s = textArea.getSelectionAtOffset(textArea.getCaretPosition());
if (s == null) start = textArea.getCaretPosition();
else if (reverse) start = s.getStart();
else start = s.getEnd();
} else if (reverse) start = buffer.getLength();
else start = 0;
if (find(view, buffer, start, repeat, reverse)) return true;
}
if (repeat) {
if (!BeanShell.isScriptRunning()) {
view.getStatus().setMessageAndClear(jEdit.getProperty("view.status.search-not-found"));
view.getToolkit().beep();
}
return false;
}
boolean restart;
// if auto wrap is on, always restart search.
// if auto wrap is off, and we're called from
// a macro, stop search. If we're called
// interactively, ask the user what to do.
if (wrap) {
if (!BeanShell.isScriptRunning()) {
view.getStatus().setMessageAndClear(jEdit.getProperty("view.status.auto-wrap"));
// beep if beep property set
if (jEdit.getBooleanProperty("search.beepOnSearchAutoWrap")) {
view.getToolkit().beep();
}
}
restart = true;
} else if (BeanShell.isScriptRunning()) {
restart = false;
} else {
Integer[] args = {Integer.valueOf(reverse ? 1 : 0)};
int result =
GUIUtilities.confirm(
comp,
"keepsearching",
args,
JOptionPane.YES_NO_OPTION,
JOptionPane.QUESTION_MESSAGE);
restart = (result == JOptionPane.YES_OPTION);
}
if (restart) {
// start search from beginning
path = fileset.getFirstFile(view);
repeat = true;
} else break loop;
}
} catch (Exception e) {
handleError(comp, e);
} finally {
view.hideWaitCursor();
}
return false;
} // }}}
// {{{ wantTwoStageSave() method
private static boolean wantTwoStageSave(Buffer buffer) {
return !buffer.getBooleanProperty("forbidTwoStageSave")
&& (buffer.getBooleanProperty("overwriteReadonly")
|| jEdit.getBooleanProperty("twoStageSave"));
} // }}}
protected void getHaxeCompilerCompletions(View view, List<CompletionCandidate> candidates) {
TextArea ta = view.getTextArea();
int dotPosition = ta.getCaretPosition();
if (!ta.getText(dotPosition - 1, 1).equals(".")) {
return;
}
// If the caret is at a ".", use the Haxe compiler to provide completion hints
Buffer buffer = view.getBuffer();
// Save the file if dirty
if (buffer.isDirty()) {
buffer.save(view, null, false, true);
// Wait a bit to allow the save notifications to go through and not
// bork the reload/popup
try {
Thread.sleep(50);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
HaxeCompilerOutput output =
HaXeSideKickPlugin.getHaxeBuildOutput(view.getEditPane(), dotPosition, true);
trace(output);
if (output == null || output.output == null || output.output.errors == null) {
trace(" haxe build error, no completion candidates");
return;
}
String completionXMLString = output.output.errors.trim();
if (completionXMLString == null
|| completionXMLString.equals("")
|| !completionXMLString.startsWith("<")) {
return;
}
List<CompletionCandidate> localCandidates = new ArrayList<CompletionCandidate>();
try {
// Example see http://www.rgagnon.com/javadetails/java-0573.html
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
InputSource is = new InputSource();
is.setCharacterStream(new StringReader(completionXMLString));
Document doc = db.parse(is);
NodeList insertions = doc.getElementsByTagName("i");
// iterate the insertions
for (int i = 0; i < insertions.getLength(); i++) {
Element element = (Element) insertions.item(i);
if (element.getNodeName().equals("i")) {
// Insertion
String codeName = element.getAttribute("n");
String argString = ((Element) element.getElementsByTagName("t").item(0)).getTextContent();
String[] methodTokens = argString.split("->");
String returns = methodTokens[methodTokens.length - 1];
String docs = ((Element) element.getElementsByTagName("d").item(0)).getTextContent();
if (methodTokens.length == 1) {
localCandidates.add(new CodeCompletionField(codeName, returns, docs));
} else {
CodeCompletionMethod cc = new CodeCompletionMethod(codeName, returns, docs);
if (methodTokens.length > 1 && !methodTokens[0].trim().equals("Void")) {
List<String> args = new ArrayList<String>(methodTokens.length - 1);
List<String> argsTypes = new ArrayList<String>(methodTokens.length - 1);
for (int jj = 0; jj < methodTokens.length - 1; ++jj) {
String[] argTokens = methodTokens[jj].split(":");
args.add(argTokens[0]);
if (argTokens.length > 1) {
argsTypes.add(argTokens[1]);
}
}
cc.arguments = args;
cc.argumentTypes = argsTypes;
}
localCandidates.add(cc);
}
}
}
trace("Number of code completions=" + localCandidates.size());
} catch (Exception e) {
e.printStackTrace();
}
Collections.sort(localCandidates);
candidates.addAll(localCandidates);
}
// {{{ run() method
public void run() {
/* if the VFS supports renaming files, we first
* save to #<filename>#save#, then rename that
* to <filename>, so that if the save fails,
* data will not be lost.
*
* as of 4.1pre7 we now call vfs.getTwoStageSaveName()
* instead of constructing the path directly
* since some VFS's might not allow # in filenames.
*/
boolean vfsRenameCap = (vfs.getCapabilities() & VFS.RENAME_CAP) != 0;
boolean wantTwoStage = wantTwoStageSave(buffer);
boolean twoStageSave = vfsRenameCap && wantTwoStage;
try {
String[] args = {vfs.getFileName(path)};
setStatus(jEdit.getProperty("vfs.status.save", args));
// the entire save operation can be aborted...
setAbortable(true);
path = vfs._canonPath(session, path, view);
if (!MiscUtilities.isURL(path)) path = MiscUtilities.resolveSymlinks(path);
String savePath;
if (twoStageSave) {
savePath = vfs.getTwoStageSaveName(path);
if (savePath == null) {
throw new IOException("Can't get a temporary path for two-stage save: " + path);
}
} else {
makeBackup();
savePath = path;
}
OutputStream out = vfs._createOutputStream(session, savePath, view);
if (out == null) {
buffer.setBooleanProperty(ERROR_OCCURRED, true);
return;
}
try {
// this must be after the stream is created or
// we deadlock with SSHTools.
buffer.readLock();
try {
// Can't use buffer.getName() here because
// it is not changed until the save is
// complete
if (path.endsWith(".gz")) buffer.setBooleanProperty(Buffer.GZIPPED, true);
else if (buffer.getName().endsWith(".gz")) {
// The path do not ends with gz.
// The buffer name was .gz.
// So it means it's blabla.txt.gz -> blabla.txt, I remove
// the gz property
buffer.setBooleanProperty(Buffer.GZIPPED, false);
}
if (buffer.getBooleanProperty(Buffer.GZIPPED)) out = new GZIPOutputStream(out);
write(buffer, out);
} finally {
buffer.readUnlock();
}
} finally {
IOUtilities.closeQuietly(out);
}
if (twoStageSave) {
makeBackup();
if (!vfs._rename(session, savePath, path, view))
throw new IOException("Rename failed: " + savePath);
}
if (!twoStageSave) VFSManager.sendVFSUpdate(vfs, path, true);
} catch (FileNotFoundException e) {
Log.log(Log.ERROR, this, "Unable to save buffer " + e);
String[] pp = {e.getMessage()};
VFSManager.error(view, path, "ioerror.write-error", pp);
buffer.setBooleanProperty(ERROR_OCCURRED, true);
} catch (UnsupportedCharsetException e) {
Log.log(Log.ERROR, this, e, e);
String[] pp = {e.getCharsetName()};
VFSManager.error(view, path, "ioerror.unsupported-encoding-error", pp);
buffer.setBooleanProperty(ERROR_OCCURRED, true);
} catch (Exception e) {
Log.log(Log.ERROR, this, e);
String[] pp = {e.toString()};
VFSManager.error(view, path, "ioerror.write-error", pp);
buffer.setBooleanProperty(ERROR_OCCURRED, true);
} catch (WorkThread.Abort a) {
buffer.setBooleanProperty(ERROR_OCCURRED, true);
} finally {
try {
vfs._saveComplete(session, buffer, path, view);
if (twoStageSave) {
vfs._finishTwoStageSave(session, buffer, path, view);
}
// clean up left-over markers file
if (!jEdit.getBooleanProperty("persistentMarkers"))
vfs._delete(session, Buffer.getMarkersPath(vfs, path), view);
vfs._endVFSSession(session, view);
} catch (Exception e) {
Log.log(Log.ERROR, this, e);
String[] pp = {e.toString()};
VFSManager.error(view, path, "ioerror.write-error", pp);
buffer.setBooleanProperty(ERROR_OCCURRED, true);
} catch (WorkThread.Abort a) {
buffer.setBooleanProperty(ERROR_OCCURRED, true);
}
}
} // }}}
/**
* Replaces all occurrences of the search string with the replacement string.
*
* @param view The view
* @param dontOpenChangedFiles Whether to open changed files or to autosave them quietly
* @return the number of modified files
*/
public static boolean replaceAll(View view, boolean dontOpenChangedFiles) {
// component that will parent any dialog boxes
Component comp = SearchDialog.getSearchDialog(view);
if (comp == null) comp = view;
if (fileset.getFileCount(view) == 0) {
GUIUtilities.error(comp, "empty-fileset", null);
return false;
}
record(view, "replaceAll(view)", true, true);
view.showWaitCursor();
boolean smartCaseReplace = getSmartCaseReplace();
int fileCount = 0;
int occurCount = 0;
try {
SearchMatcher matcher = getSearchMatcher();
if (matcher == null) return false;
initReplace();
String path = fileset.getFirstFile(view);
loop:
while (path != null) {
Buffer buffer = jEdit.openTemporary(view, null, path, false);
/* this is stupid and misleading.
* but 'path' is not used anywhere except
* the above line, and if this is done
* after the 'continue', then we will
* either hang, or be forced to duplicate
* it inside the buffer == null, or add
* a 'finally' clause. you decide which one's
* worse. */
path = fileset.getNextFile(view, path);
if (buffer == null) continue loop;
// Wait for buffer to finish loading
if (buffer.isPerformingIO()) VFSManager.waitForRequests();
if (!buffer.isEditable()) continue loop;
// Leave buffer in a consistent state if
// an error occurs
int retVal = 0;
try {
buffer.beginCompoundEdit();
retVal = _replace(view, buffer, matcher, 0, buffer.getLength(), smartCaseReplace);
} finally {
buffer.endCompoundEdit();
}
if (retVal != 0) {
fileCount++;
occurCount += retVal;
if (dontOpenChangedFiles) {
buffer.save(null, null);
} else {
jEdit.commitTemporary(buffer);
jEdit.getBufferSetManager().addBuffer(view, buffer);
}
}
}
} catch (Exception e) {
handleError(comp, e);
} finally {
view.hideWaitCursor();
}
/* Don't do this when playing a macro, cos it's annoying */
if (!BeanShell.isScriptRunning()) {
Object[] args = {Integer.valueOf(occurCount), Integer.valueOf(fileCount)};
view.getStatus().setMessageAndClear(jEdit.getProperty("view.status.replace-all", args));
if (occurCount == 0) view.getToolkit().beep();
}
return (fileCount != 0);
} // }}}
// {{{ read() method
protected SegmentBuffer read(Reader in, long length, boolean insert) throws IOException {
/* we guess an initial size for the array */
IntegerArray endOffsets = new IntegerArray(Math.max(1, (int) (length / 50)));
// only true if the file size is known
boolean trackProgress = !buffer.isTemporary() && length != 0;
if (trackProgress) {
setMaximum(length);
setValue(0);
}
// if the file size is not known, start with a resonable
// default buffer size
if (length == 0) length = IOBUFSIZE;
SegmentBuffer seg = new SegmentBuffer((int) length + 1);
char[] buf = new char[IOBUFSIZE];
/* Number of characters in 'buf' array.
InputStream.read() doesn't always fill the
array (eg, the file size is not a multiple of
IOBUFSIZE, or it is a GZipped file, etc) */
int len;
// True if a \n was read after a \r. Usually
// means this is a DOS/Windows file
boolean CRLF = false;
// A \r was read, hence a MacOS file
boolean CROnly = false;
// Was the previous read character a \r?
// If we read a \n and this is true, we assume
// we have a DOS/Windows file
boolean lastWasCR = false;
// Number of lines read. Every 100 lines, we update the
// progress bar
int lineCount = 0;
while ((len = in.read(buf, 0, buf.length)) != -1) {
// Offset of previous line, relative to
// the start of the I/O buffer (NOT
// relative to the start of the document)
int lastLine = 0;
for (int i = 0; i < len; i++) {
// Look for line endings.
switch (buf[i]) {
case '\r':
// If we read a \r and
// lastWasCR is also true,
// it is probably a Mac file
// (\r\r in stream)
if (lastWasCR) {
CROnly = true;
CRLF = false;
}
// Otherwise set a flag,
// so that \n knows that last
// was a \r
else {
lastWasCR = true;
}
// Insert a line
seg.append(buf, lastLine, i - lastLine);
seg.append('\n');
endOffsets.add(seg.count);
if (trackProgress && lineCount++ % PROGRESS_INTERVAL == 0) setValue(seg.count);
// This is i+1 to take the
// trailing \n into account
lastLine = i + 1;
break;
case '\n':
/* If lastWasCR is true, we just read a \r followed
by a \n. We specify that this is a Windows file,
but take no further action and just ignore the \r. */
if (lastWasCR) {
CROnly = false;
CRLF = true;
lastWasCR = false;
/* Bump lastLine so that the next line doesn't erronously
pick up the \r */
lastLine = i + 1;
}
/* Otherwise, we found a \n that follows some other
* character, hence we have a Unix file */
else {
CROnly = false;
CRLF = false;
seg.append(buf, lastLine, i - lastLine);
seg.append('\n');
endOffsets.add(seg.count);
if (trackProgress && lineCount++ % PROGRESS_INTERVAL == 0) setValue(seg.count);
lastLine = i + 1;
}
break;
default:
/* If we find some other character that follows
a \r, so it is not a Windows file, and probably
a Mac file */
if (lastWasCR) {
CROnly = true;
CRLF = false;
lastWasCR = false;
}
break;
}
}
if (trackProgress) setValue(seg.count);
// Add remaining stuff from buffer
seg.append(buf, lastLine, len - lastLine);
}
setAbortable(false);
String lineSeparator;
if (seg.count == 0) {
// fix for "[ 865589 ] 0-byte files should open using
// the default line seperator"
lineSeparator =
jEdit.getProperty("buffer.lineSeparator", System.getProperty("line.separator"));
} else if (CRLF) lineSeparator = "\r\n";
else if (CROnly) lineSeparator = "\r";
else lineSeparator = "\n";
// Chop trailing newline and/or ^Z (if any)
int bufferLength = seg.count;
if (bufferLength != 0) {
char ch = seg.array[bufferLength - 1];
if (ch == 0x1a /* DOS ^Z */) seg.count--;
}
buffer.setBooleanProperty(Buffer.TRAILING_EOL, false);
if (bufferLength != 0 && jEdit.getBooleanProperty("stripTrailingEOL")) {
char ch = seg.array[bufferLength - 1];
if (ch == '\n') {
buffer.setBooleanProperty(Buffer.TRAILING_EOL, true);
seg.count--;
endOffsets.setSize(endOffsets.getSize() - 1);
}
}
// add a line marker at the end for proper offset manager
// operation
endOffsets.add(seg.count + 1);
// to avoid having to deal with read/write locks and such,
// we insert the loaded data into the buffer in the
// post-load cleanup runnable, which runs in the AWT thread.
if (!insert) {
buffer.setProperty(LOAD_DATA, seg);
buffer.setProperty(END_OFFSETS, endOffsets);
buffer.setProperty(NEW_PATH, path);
if (lineSeparator != null) buffer.setProperty(JEditBuffer.LINESEP, lineSeparator);
}
// used in insert()
return seg;
} // }}}
/**
* Replaces the current selection with the replacement string.
*
* @param view The view
* @return True if the operation was successful, false otherwise
*/
public static boolean replace(View view) {
// component that will parent any dialog boxes
Component comp = SearchDialog.getSearchDialog(view);
if (comp == null) comp = view;
JEditTextArea textArea = view.getTextArea();
Buffer buffer = view.getBuffer();
if (!buffer.isEditable()) return false;
boolean smartCaseReplace = getSmartCaseReplace();
Selection[] selection = textArea.getSelection();
if (selection.length == 0) {
view.getToolkit().beep();
return false;
}
record(view, "replace(view)", true, false);
// a little hack for reverse replace and find
int caret = textArea.getCaretPosition();
Selection s = textArea.getSelectionAtOffset(caret);
if (s != null) caret = s.getStart();
try {
buffer.beginCompoundEdit();
SearchMatcher matcher = getSearchMatcher();
if (matcher == null) return false;
initReplace();
int retVal = 0;
for (int i = 0; i < selection.length; i++) {
s = selection[i];
retVal += replaceInSelection(view, textArea, buffer, matcher, smartCaseReplace, s);
}
if (reverse) {
// so that Replace and Find continues from
// the right location
textArea.moveCaretPosition(caret);
} else {
s = textArea.getSelectionAtOffset(textArea.getCaretPosition());
if (s != null) textArea.moveCaretPosition(s.getEnd());
}
if (!BeanShell.isScriptRunning()) {
Object[] args = {Integer.valueOf(retVal), Integer.valueOf(1)};
view.getStatus().setMessageAndClear(jEdit.getProperty("view.status.replace-all", args));
}
if (retVal == 0) {
view.getToolkit().beep();
return false;
}
return true;
} catch (Exception e) {
handleError(comp, e);
} finally {
buffer.endCompoundEdit();
}
return false;
} // }}}
/** Should be somewhere else... */
private static int getColumnOnOtherLine(Buffer buffer, int line, int col) {
int returnValue = buffer.getOffsetOfVirtualColumn(line, col, null);
if (returnValue == -1) return buffer.getLineEndOffset(line) - 1;
else return buffer.getLineStartOffset(line) + returnValue;
} // }}}