/** Set up BeanShell replace if necessary. */
private static void initReplace() throws Exception {
if (beanshell && replace.length() != 0) {
String text;
if (replace.trim().startsWith("{")) text = replace;
else text = "return (" + replace + ");";
replaceMethod = BeanShell.cacheBlock("replace", text, true);
} else replaceMethod = null;
} // }}}
// {{{ literalBeanShellReplace() method
private static String literalBeanShellReplace(View view, JEditBuffer buffer, CharSequence found)
throws Exception {
replaceNS.setVariable("buffer", buffer);
replaceNS.setVariable("_0", found);
Object obj = BeanShell.runCachedBlock(replaceMethod, view, replaceNS);
replaceNS.setVariable("_0", null, false);
// Not really necessary because it is already cleared in the end of
// BeanShell.runCachedBlock()
replaceNS.setVariable("buffer", null, false);
if (obj == null) return "";
else return obj.toString();
} // }}}
// {{{ regexpBeanShellReplace() method
private static String regexpBeanShellReplace(
View view, JEditBuffer buffer, SearchMatcher.Match occur) throws Exception {
replaceNS.setVariable("buffer", buffer, false);
for (int i = 0; i < occur.substitutions.length; i++) {
replaceNS.setVariable("_" + i, occur.substitutions[i]);
}
Object obj = BeanShell.runCachedBlock(replaceMethod, view, replaceNS);
for (int i = 0; i < occur.substitutions.length; i++) {
replaceNS.setVariable("_" + i, null, false);
}
// Not really necessary because it is already cleared in the end of
// BeanShell.runCachedBlock()
replaceNS.setVariable("buffer", null, false);
if (obj == null) return "";
else return obj.toString();
} // }}}
/**
* 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);
} // }}}
/**
* Class that implements regular expression and literal search within jEdit buffers.
*
* <p>There are two main groups of methods in this class:
*
* <ul>
* <li>Property accessors - for changing search and replace settings.
* <li>Actions - for performing search and replace.
* </ul>
*
* The "HyperSearch" and "Keep dialog" features, as reflected in checkbox options in the search
* dialog, are not handled from within this class. If you wish to have these options set before the
* search dialog appears, make a prior call to either or both of the following:
*
* <pre> jEdit.setBooleanProperty("search.hypersearch.toggle",true);
* jEdit.setBooleanProperty("search.keepDialog.toggle",true);</pre>
*
* If you are not using the dialog to undertake a search or replace, you may call any of the search
* and replace methods (including {@link #hyperSearch(View)}) without concern for the value of these
* properties.
*
* @author Slava Pestov
* @author John Gellene (API documentation)
* @version $Id$
*/
public class SearchAndReplace {
// {{{ Getters and setters
// {{{ setSearchString() method
/**
* Sets the current search string.
*
* @param search The new search string
*/
public static void setSearchString(String search) {
if (search.equals(SearchAndReplace.search)) return;
SearchAndReplace.search = search;
matcher = null;
EditBus.send(new SearchSettingsChanged(null));
} // }}}
// {{{ getSearchString() method
/** Returns the current search string. */
public static String getSearchString() {
return search;
} // }}}
// {{{ setReplaceString() method
/**
* Sets the current replacement string.
*
* @param replace The new replacement string
*/
public static void setReplaceString(String replace) {
if (replace.equals(SearchAndReplace.replace)) return;
SearchAndReplace.replace = replace;
EditBus.send(new SearchSettingsChanged(null));
} // }}}
// {{{ getReplaceString() method
/** Returns the current replacement string. */
public static String getReplaceString() {
return replace;
} // }}}
// {{{ setWholeWord() method
/**
* Sets the whole word flag.
*
* @param wholeWord True if only whole words should be searched, false otherwise
* @since 4.5pre1
*/
public static void setWholeWord(boolean wholeWord) {
if (wholeWord == SearchAndReplace.wholeWord) return;
SearchAndReplace.wholeWord = wholeWord;
matcher = null;
EditBus.send(new SearchSettingsChanged(null));
} // }}}
// {{{ setIgnoreCase() method
/**
* Sets the ignore case flag.
*
* @param ignoreCase True if searches should be case insensitive, false otherwise
*/
public static void setIgnoreCase(boolean ignoreCase) {
if (ignoreCase == SearchAndReplace.ignoreCase) return;
SearchAndReplace.ignoreCase = ignoreCase;
matcher = null;
EditBus.send(new SearchSettingsChanged(null));
} // }}}
// {{{ getWholeWord() method
/**
* Returns the state of the whole word flag.
*
* @return True if only whole words should be searched, false otherwise
* @since 4.5pre1
*/
public static boolean getWholeWord() {
return wholeWord;
} // }}}
// {{{ getIgnoreCase() method
/**
* Returns the state of the ignore case flag.
*
* @return True if searches should be case insensitive, false otherwise
*/
public static boolean getIgnoreCase() {
return ignoreCase;
} // }}}
// {{{ setRegexp() method
/**
* Sets the state of the regular expression flag.
*
* @param regexp True if regular expression searches should be performed
*/
public static void setRegexp(boolean regexp) {
if (regexp == SearchAndReplace.regexp) return;
SearchAndReplace.regexp = regexp;
if (regexp && reverse) reverse = false;
matcher = null;
EditBus.send(new SearchSettingsChanged(null));
} // }}}
// {{{ getRegexp() method
/**
* Returns the state of the regular expression flag.
*
* @return True if regular expression searches should be performed
*/
public static boolean getRegexp() {
return regexp;
} // }}}
// {{{ setReverseSearch() method
/**
* Determines whether a reverse search will conducted from the current position to the beginning
* of a buffer. Note that reverse search and regular expression search is mutually exclusive;
* enabling one will disable the other.
*
* @param reverse True if searches should go backwards, false otherwise
*/
public static void setReverseSearch(boolean reverse) {
if (reverse == SearchAndReplace.reverse) return;
SearchAndReplace.reverse = reverse;
EditBus.send(new SearchSettingsChanged(null));
} // }}}
// {{{ getReverseSearch() method
/**
* Returns the state of the reverse search flag.
*
* @return True if searches should go backwards, false otherwise
*/
public static boolean getReverseSearch() {
return reverse;
} // }}}
// {{{ setBeanShellReplace() method
/**
* Sets the state of the BeanShell replace flag.
*
* @param beanshell True if the replace string is a BeanShell expression
* @since jEdit 3.2pre2
*/
public static void setBeanShellReplace(boolean beanshell) {
if (beanshell == SearchAndReplace.beanshell) return;
SearchAndReplace.beanshell = beanshell;
EditBus.send(new SearchSettingsChanged(null));
} // }}}
// {{{ getBeanShellReplace() method
/**
* Returns the state of the BeanShell replace flag.
*
* @return True if the replace string is a BeanShell expression
* @since jEdit 3.2pre2
*/
public static boolean getBeanShellReplace() {
return beanshell;
} // }}}
// {{{ setAutoWrap() method
/**
* Sets the state of the auto wrap around flag.
*
* @param wrap If true, the 'continue search from start' dialog will not be displayed
* @since jEdit 3.2pre2
*/
public static void setAutoWrapAround(boolean wrap) {
if (wrap == SearchAndReplace.wrap) return;
SearchAndReplace.wrap = wrap;
EditBus.send(new SearchSettingsChanged(null));
} // }}}
// {{{ getAutoWrap() method
/**
* Returns the state of the auto wrap around flag.
*
* @since jEdit 3.2pre2
*/
public static boolean getAutoWrapAround() {
return wrap;
} // }}}
// {{{ setSearchMatcher() method
/**
* Sets a custom search string matcher. Note that calling {@link #setSearchString(String)}, {@link
* #setWholeWord(boolean)}, {@link #setIgnoreCase(boolean)}, or {@link #setRegexp(boolean)} will
* reset the matcher to the default.
*/
public static void setSearchMatcher(SearchMatcher matcher) {
SearchAndReplace.matcher = matcher;
EditBus.send(new SearchSettingsChanged(null));
} // }}}
// {{{ getSearchMatcher() method
/**
* Returns the current search string matcher.
*
* @return a SearchMatcher or null if there is no search or if the matcher can match empty String
* @exception IllegalArgumentException if regular expression search is enabled, the search string
* or replacement string is invalid
* @since jEdit 4.1pre7
*/
public static SearchMatcher getSearchMatcher() throws Exception {
if (matcher != null) return matcher;
if (search == null || "".equals(search)) return null;
if (regexp) {
Pattern re = Pattern.compile(search, PatternSearchMatcher.getFlag(ignoreCase));
matcher = new PatternSearchMatcher(re, ignoreCase, wholeWord);
} else matcher = new BoyerMooreSearchMatcher(search, ignoreCase, wholeWord);
return matcher;
} // }}}
// {{{ setSearchFileSet() method
/**
* Sets the current search file set.
*
* @param fileset The file set to perform searches in
* @see AllBufferSet
* @see CurrentBufferSet
* @see DirectoryListSet
*/
public static void setSearchFileSet(SearchFileSet fileset) {
SearchAndReplace.fileset = fileset;
EditBus.send(new SearchSettingsChanged(null));
} // }}}
// {{{ getSearchFileSet() method
/** Returns the current search file set. */
public static SearchFileSet getSearchFileSet() {
return fileset;
} // }}}
// {{{ getSmartCaseReplace() method
/**
* Returns if the replacement string will assume the same case as each specific occurrence of the
* search string.
*
* @since jEdit 4.2pre10
*/
public static boolean getSmartCaseReplace() {
return (replace != null && TextUtilities.getStringCase(replace) == TextUtilities.LOWER_CASE);
} // }}}
// }}}
// {{{ Actions
// {{{ hyperSearch() method
/**
* Performs a HyperSearch.
*
* @param view The view
* @since jEdit 2.7pre3
*/
public static boolean hyperSearch(View view) {
return hyperSearch(view, false);
} // }}}
// {{{ hyperSearch() method
/**
* Performs a HyperSearch.
*
* @param view The view
* @param selection If true, will only search in the current selection. Note that the file set
* must be the current buffer file set for this to work.
* @since jEdit 4.0pre1
*/
public static boolean hyperSearch(View view, boolean selection) {
// component that will parent any dialog boxes
Component comp = SearchDialog.getSearchDialog(view);
if (comp == null) comp = view;
record(view, "hyperSearch(view," + selection + ')', false, !selection);
view.getDockableWindowManager().addDockableWindow(HyperSearchResults.NAME);
HyperSearchResults results =
(HyperSearchResults) view.getDockableWindowManager().getDockable(HyperSearchResults.NAME);
results.searchStarted();
try {
SearchMatcher matcher = getSearchMatcher();
if (matcher == null) {
view.getToolkit().beep();
results.searchFailed();
return false;
}
Selection[] s;
if (selection) {
s = view.getTextArea().getSelection();
if (s == null) {
results.searchFailed();
return false;
}
} else s = null;
ThreadUtilities.runInBackground(new HyperSearchRequest(view, matcher, results, s));
return true;
} catch (Exception e) {
results.searchFailed();
handleError(comp, e);
return false;
}
} // }}}
// {{{ find() method
/**
* 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;
} // }}}
// {{{ find() method
/**
* 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
*/
public static boolean find(View view, Buffer buffer, int start) throws Exception {
return find(view, buffer, start, false, false);
} // }}}
// {{{ find() method
/**
* 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;
} // }}}
// {{{ replace() method
/**
* 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;
} // }}}
// {{{ replace() method
/**
* 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;
} // }}}
// {{{ replaceAll() method
/**
* Replaces all occurrences of the search string with the replacement string.
*
* @param view The view
* @return the number of modified files
*/
public static boolean replaceAll(View view) {
return replaceAll(view, false);
} // }}}
// {{{ replaceAll() method
/**
* 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);
} // }}}
// }}}
// {{{ escapeRegexp() method
/**
* Escapes characters with special meaning in a regexp.
*
* @param str the string to escape
* @param multiline Should \n be escaped?
* @return the string with escaped characters
* @since jEdit 4.3pre1
*/
public static String escapeRegexp(String str, boolean multiline) {
return StandardUtilities.charsToEscapes(str, "\r\t\\()[]{}$^*+?|." + (multiline ? "" : "\n"));
} // }}}
// {{{ load() method
/** Loads search and replace state from the properties. */
public static void load() {
search = jEdit.getProperty("search.find.value");
replace = jEdit.getProperty("search.replace.value");
wholeWord = jEdit.getBooleanProperty("search.wholeWord.toggle");
ignoreCase = jEdit.getBooleanProperty("search.ignoreCase.toggle");
regexp = jEdit.getBooleanProperty("search.regexp.toggle");
beanshell = jEdit.getBooleanProperty("search.beanshell.toggle");
wrap = jEdit.getBooleanProperty("search.wrap.toggle");
fileset = new CurrentBufferSet();
// Tags plugin likes to call this method at times other than
// startup; so we need to fire a SearchSettingsChanged to
// notify the search bar and so on.
matcher = null;
EditBus.send(new SearchSettingsChanged(null));
} // }}}
// {{{ save() method
/** Saves search and replace state to the properties. */
public static void save() {
jEdit.setProperty("search.find.value", search);
jEdit.setProperty("search.replace.value", replace);
jEdit.setBooleanProperty("search.wholeWord.toggle", wholeWord);
jEdit.setBooleanProperty("search.ignoreCase.toggle", ignoreCase);
jEdit.setBooleanProperty("search.regexp.toggle", regexp);
jEdit.setBooleanProperty("search.beanshell.toggle", beanshell);
jEdit.setBooleanProperty("search.wrap.toggle", wrap);
} // }}}
// {{{ handleError() method
static void handleError(Component comp, Exception e) {
Log.log(Log.ERROR, SearchAndReplace.class, e);
if (comp instanceof Dialog) {
new TextAreaDialog((Dialog) comp, beanshell ? "searcherror-bsh" : "searcherror", e);
} else {
new TextAreaDialog((Frame) comp, beanshell ? "searcherror-bsh" : "searcherror", e);
}
} // }}}
// {{{ Private members
// {{{ Instance variables
private static String search;
private static String replace;
private static BshMethod replaceMethod;
private static NameSpace replaceNS =
new NameSpace(
BeanShell.getNameSpace(),
BeanShell.getNameSpace().getClassManager(),
"search and replace");
private static boolean regexp;
private static boolean wholeWord;
private static boolean ignoreCase;
private static boolean reverse;
private static boolean beanshell;
private static boolean wrap;
private static SearchMatcher matcher;
private static SearchFileSet fileset;
// }}}
// {{{ initReplace() method
/** Set up BeanShell replace if necessary. */
private static void initReplace() throws Exception {
if (beanshell && replace.length() != 0) {
String text;
if (replace.trim().startsWith("{")) text = replace;
else text = "return (" + replace + ");";
replaceMethod = BeanShell.cacheBlock("replace", text, true);
} else replaceMethod = null;
} // }}}
// {{{ record() method
private static void record(
View view, String action, boolean replaceAction, boolean recordFileSet) {
Macros.Recorder recorder = view.getMacroRecorder();
if (recorder != null) {
recorder.record(
"SearchAndReplace.setSearchString(\""
+ StandardUtilities.charsToEscapes(search)
+ "\");");
if (replaceAction) {
recorder.record(
"SearchAndReplace.setReplaceString(\""
+ StandardUtilities.charsToEscapes(replace)
+ "\");");
recorder.record("SearchAndReplace.setBeanShellReplace(" + beanshell + ");");
} else {
// only record this if doing a find next
recorder.record("SearchAndReplace.setAutoWrapAround(" + wrap + ");");
recorder.record("SearchAndReplace.setReverseSearch(" + reverse + ");");
}
recorder.record("SearchAndReplace.setWholeWord(" + wholeWord + ");");
recorder.record("SearchAndReplace.setIgnoreCase(" + ignoreCase + ");");
recorder.record("SearchAndReplace.setRegexp(" + regexp + ");");
if (recordFileSet) {
recorder.record("SearchAndReplace.setSearchFileSet(" + fileset.getCode() + ");");
}
recorder.record("SearchAndReplace." + action + ';');
}
} // }}}
// {{{ replaceInSelection() method
private static int replaceInSelection(
View view,
TextArea textArea,
Buffer buffer,
SearchMatcher matcher,
boolean smartCaseReplace,
Selection s)
throws Exception {
/* if an occurence occurs at the
beginning of the selection, the
selection start will get moved.
this sucks, so we hack to avoid it. */
int start = s.getStart();
int returnValue;
if (s instanceof Selection.Range) {
returnValue = _replace(view, buffer, matcher, s.getStart(), s.getEnd(), smartCaseReplace);
textArea.removeFromSelection(s);
textArea.addToSelection(new Selection.Range(start, s.getEnd()));
} else if (s instanceof Selection.Rect) {
Selection.Rect rect = (Selection.Rect) s;
int startCol = rect.getStartColumn(buffer);
int endCol = rect.getEndColumn(buffer);
returnValue = 0;
for (int j = s.getStartLine(); j <= s.getEndLine(); j++) {
returnValue +=
_replace(
view,
buffer,
matcher,
getColumnOnOtherLine(buffer, j, startCol),
getColumnOnOtherLine(buffer, j, endCol),
smartCaseReplace);
}
textArea.addToSelection(new Selection.Rect(start, s.getEnd()));
} else throw new RuntimeException("Unsupported: " + s);
return returnValue;
} // }}}
// {{{ _replace() method
/**
* Replaces all occurrences of the search string with the replacement string.
*
* @param view The view
* @param buffer The buffer
* @param start The start offset
* @param end The end offset
* @param matcher The search matcher to use
* @param smartCaseReplace See user's guide
* @return The number of occurrences replaced
*/
private static int _replace(
View view,
JEditBuffer buffer,
SearchMatcher matcher,
int start,
int end,
boolean smartCaseReplace)
throws Exception {
String noWordSep = buffer.getStringProperty("noWordSep");
matcher.setNoWordSep(noWordSep);
int occurCount = 0;
boolean endOfLine = (buffer.getLineEndOffset(buffer.getLineOfOffset(end)) - 1 == end);
int offset = start;
loop:
for (int counter = 0; ; counter++) {
boolean startOfLine = (buffer.getLineStartOffset(buffer.getLineOfOffset(offset)) == offset);
CharSequence text = buffer.getSegment(offset, end - offset);
SearchMatcher.Match occur =
matcher.nextMatch(text, startOfLine, endOfLine, counter == 0, false);
if (occur == null) break loop;
CharSequence found = text.subSequence(occur.start, occur.end);
int length = replaceOne(view, buffer, occur, offset, found, smartCaseReplace);
if (length == -1) offset += occur.end;
else {
offset += occur.start + length;
end += (length - found.length());
occurCount++;
}
}
return occurCount;
} // }}}
// {{{ replaceOne() method
/** Replace one occurrence of the search string with the replacement string. */
private static int replaceOne(
View view,
JEditBuffer buffer,
SearchMatcher.Match occur,
int offset,
CharSequence found,
boolean smartCaseReplace)
throws Exception {
String subst = replaceOne(view, buffer, occur, found);
if (smartCaseReplace && ignoreCase) {
int strCase = TextUtilities.getStringCase(found);
if (strCase == TextUtilities.LOWER_CASE) subst = subst.toLowerCase();
else if (strCase == TextUtilities.UPPER_CASE) subst = subst.toUpperCase();
else if (strCase == TextUtilities.TITLE_CASE) subst = TextUtilities.toTitleCase(subst);
}
if (subst != null) {
int start = offset + occur.start;
int end = offset + occur.end;
if (end - start > 0) buffer.remove(start, end - start);
buffer.insert(start, subst);
return subst.length();
} else return -1;
} // }}}
// {{{ replaceOne() method
private static String replaceOne(
View view, JEditBuffer buffer, SearchMatcher.Match occur, CharSequence found)
throws Exception {
if (regexp) {
if (replaceMethod != null) return regexpBeanShellReplace(view, buffer, occur);
else return regexpReplace(occur, found);
} else {
if (replaceMethod != null) return literalBeanShellReplace(view, buffer, found);
else return replace;
}
} // }}}
// {{{ regexpBeanShellReplace() method
private static String regexpBeanShellReplace(
View view, JEditBuffer buffer, SearchMatcher.Match occur) throws Exception {
replaceNS.setVariable("buffer", buffer, false);
for (int i = 0; i < occur.substitutions.length; i++) {
replaceNS.setVariable("_" + i, occur.substitutions[i]);
}
Object obj = BeanShell.runCachedBlock(replaceMethod, view, replaceNS);
for (int i = 0; i < occur.substitutions.length; i++) {
replaceNS.setVariable("_" + i, null, false);
}
// Not really necessary because it is already cleared in the end of
// BeanShell.runCachedBlock()
replaceNS.setVariable("buffer", null, false);
if (obj == null) return "";
else return obj.toString();
} // }}}
// {{{ regexpReplace() method
private static String regexpReplace(SearchMatcher.Match occur, CharSequence found)
throws Exception {
StringBuilder buf = new StringBuilder();
for (int i = 0; i < replace.length(); i++) {
char ch = replace.charAt(i);
switch (ch) {
case '$':
if (i == replace.length() - 1) {
// last character of the replace string,
// it is not a capturing group
buf.append(ch);
break;
}
ch = replace.charAt(++i);
if (ch == '$') {
// It was $$, so it is an escaped $
buf.append('$');
} else if (ch == '0') {
// $0 meaning the first capturing group :
// the found value
buf.append(found);
} else if (Character.isDigit(ch)) {
int n = ch - '0';
while (i < replace.length() - 1) {
ch = replace.charAt(++i);
if (Character.isDigit(ch)) {
n = n * 10 + (ch - '0');
} else {
// The character is not
// a digit, going back and
// end loop
i--;
break;
}
}
if (n < occur.substitutions.length) {
String subs = occur.substitutions[n];
if (subs != null) buf.append(subs);
}
}
break;
case '\\':
if (i == replace.length() - 1) {
buf.append('\\');
break;
}
ch = replace.charAt(++i);
switch (ch) {
case 'n':
buf.append('\n');
break;
case 't':
buf.append('\t');
break;
default:
buf.append(ch);
break;
}
break;
default:
buf.append(ch);
break;
}
}
return buf.toString();
} // }}}
// {{{ literalBeanShellReplace() method
private static String literalBeanShellReplace(View view, JEditBuffer buffer, CharSequence found)
throws Exception {
replaceNS.setVariable("buffer", buffer);
replaceNS.setVariable("_0", found);
Object obj = BeanShell.runCachedBlock(replaceMethod, view, replaceNS);
replaceNS.setVariable("_0", null, false);
// Not really necessary because it is already cleared in the end of
// BeanShell.runCachedBlock()
replaceNS.setVariable("buffer", null, false);
if (obj == null) return "";
else return obj.toString();
} // }}}
// {{{ getColumnOnOtherLine() method
/** 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;
} // }}}
// }}}
}
/**
* 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;
} // }}}
/**
* 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;
} // }}}