/**********************************************************************
-Copyright (c) 2000, 2002 IBM Corp. and others.
-All rights reserved. This program and the accompanying materials
-are made available under the terms of the Common Public License v1.0
-which accompanies this distribution, and is available at
-http://www.eclipse.org/legal/cpl-v10.html
+ Copyright (c) 2000, 2002 IBM Corp. and others.
+ All rights reserved. This program and the accompanying materials
+ are made available under the terms of the Common Public License v1.0
+ which accompanies this distribution, and is available at
+ http://www.eclipse.org/legal/cpl-v10.html
-Contributors:
- IBM Corporation - Initial implementation
- www.phpeclipse.de
-**********************************************************************/
+ Contributors:
+ IBM Corporation - Initial implementation
+ www.phpeclipse.de
+ **********************************************************************/
package net.sourceforge.phpeclipse.phpeditor.php;
import org.eclipse.jface.text.BadLocationException;
-import org.eclipse.jface.text.DefaultAutoIndentStrategy;
+import org.eclipse.jface.text.DefaultIndentLineAutoEditStrategy;
import org.eclipse.jface.text.DocumentCommand;
import org.eclipse.jface.text.IDocument;
/**
* Auto indent strategy sensitive to brackets.
*/
-public class PHPAutoIndentStrategy extends DefaultAutoIndentStrategy {
+public class PHPAutoIndentStrategy extends DefaultIndentLineAutoEditStrategy {
public PHPAutoIndentStrategy() {
}
-
- /* (non-Javadoc)
- * Method declared on IAutoIndentStrategy
+
+ /*
+ * (non-Javadoc) Method declared on IAutoIndentStrategy
*/
public void customizeDocumentCommand(IDocument d, DocumentCommand c) {
if (c.length == 0 && c.text != null && endsWithDelimiter(d, c.text))
smartIndentAfterNewLine(d, c);
- else if ("}".equals(c.text)) {
+ else if ("}".equals(c.text)) {
smartInsertAfterBracket(d, c);
}
}
-
+
/**
- * Returns whether or not the text ends with one of the given search strings.
+ * Returns whether or not the text ends with one of the given search
+ * strings.
*/
private boolean endsWithDelimiter(IDocument d, String txt) {
- String[] delimiters= d.getLegalLineDelimiters();
+ String[] delimiters = d.getLegalLineDelimiters();
- for (int i= 0; i < delimiters.length; i++) {
+ for (int i = 0; i < delimiters.length; i++) {
if (txt.endsWith(delimiters[i]))
return true;
}
return false;
}
-
+
/**
* Returns the line number of the next bracket after end.
+ *
* @returns the line number of the next matching bracket after end
- * @param document - the document being parsed
- * @param line - the line to start searching back from
- * @param end - the end position to search back from
- * @param closingBracketIncrease - the number of brackets to skip
+ * @param document -
+ * the document being parsed
+ * @param line -
+ * the line to start searching back from
+ * @param end -
+ * the end position to search back from
+ * @param closingBracketIncrease -
+ * the number of brackets to skip
*/
- protected int findMatchingOpenBracket(IDocument document, int line, int end, int closingBracketIncrease) throws BadLocationException {
+ protected int findMatchingOpenBracket(IDocument document, int line,
+ int end, int closingBracketIncrease) throws BadLocationException {
- int start= document.getLineOffset(line);
- int brackcount= getBracketCount(document, start, end, false) - closingBracketIncrease;
+ int start = document.getLineOffset(line);
+ int brackcount = getBracketCount(document, start, end, false)
+ - closingBracketIncrease;
- // sum up the brackets counts of each line (closing brackets count negative,
+ // sum up the brackets counts of each line (closing brackets count
+ // negative,
// opening positive) until we find a line the brings the count to zero
while (brackcount < 0) {
line--;
if (line < 0) {
return -1;
}
- start= document.getLineOffset(line);
- end= start + document.getLineLength(line) - 1;
+ start = document.getLineOffset(line);
+ end = start + document.getLineLength(line) - 1;
brackcount += getBracketCount(document, start, end, false);
}
return line;
}
-
+
/**
- * Returns the bracket value of a section of text. Closing brackets have a value of -1 and
- * open brackets have a value of 1.
+ * Returns the bracket value of a section of text. Closing brackets have a
+ * value of -1 and open brackets have a value of 1.
+ *
* @returns the line number of the next matching bracket after end
- * @param document - the document being parsed
- * @param start - the start position for the search
- * @param end - the end position for the search
- * @param ignoreCloseBrackets - whether or not to ignore closing brackets in the count
+ * @param document -
+ * the document being parsed
+ * @param start -
+ * the start position for the search
+ * @param end -
+ * the end position for the search
+ * @param ignoreCloseBrackets -
+ * whether or not to ignore closing brackets in the count
*/
- private int getBracketCount(IDocument document, int start, int end, boolean ignoreCloseBrackets) throws BadLocationException {
+ private int getBracketCount(IDocument document, int start, int end,
+ boolean ignoreCloseBrackets) throws BadLocationException {
int begin = start;
- int bracketcount= 0;
+ int bracketcount = 0;
while (begin < end) {
- char curr= document.getChar(begin);
+ char curr = document.getChar(begin);
begin++;
switch (curr) {
- case '/' :
- if (begin < end) {
- char next= document.getChar(begin);
- if (next == '*') {
- // a comment starts, advance to the comment end
- begin= getCommentEnd(document, begin + 1, end);
- } else if (next == '/') {
- // '//'-comment: nothing to do anymore on this line
- begin= end;
- }
+ case '/':
+ if (begin < end) {
+ char next = document.getChar(begin);
+ if (next == '*') {
+ // a comment starts, advance to the comment end
+ begin = getCommentEnd(document, begin + 1, end);
+ } else if (next == '/') {
+ // '//'-comment: nothing to do anymore on this line
+ begin = end;
}
- break;
- case '*' :
- if (begin < end) {
- char next= document.getChar(begin);
- if (next == '/') {
- // we have been in a comment: forget what we read before
- bracketcount= 0;
- begin++;
- }
- }
- break;
- case '{' :
- bracketcount++;
- ignoreCloseBrackets= false;
- break;
- case '}' :
- if (!ignoreCloseBrackets) {
- bracketcount--;
- }
- break;
- case '"' :
- case '\'' :
- begin= getStringEnd(document, begin, end, curr);
- break;
- default :
+ }
+ break;
+ case '*':
+ if (begin < end) {
+ char next = document.getChar(begin);
+ if (next == '/') {
+ // we have been in a comment: forget what we read before
+ bracketcount = 0;
+ begin++;
}
+ }
+ break;
+ case '{':
+ bracketcount++;
+ ignoreCloseBrackets = false;
+ break;
+ case '}':
+ if (!ignoreCloseBrackets) {
+ bracketcount--;
+ }
+ break;
+ case '"':
+ case '\'':
+ begin = getStringEnd(document, begin, end, curr);
+ break;
+ default:
+ }
}
return bracketcount;
}
-
+
/**
* Returns the end position a comment starting at pos.
+ *
* @returns the end position a comment starting at pos
- * @param document - the document being parsed
- * @param position - the start position for the search
- * @param end - the end position for the search
+ * @param document -
+ * the document being parsed
+ * @param position -
+ * the start position for the search
+ * @param end -
+ * the end position for the search
*/
- private int getCommentEnd(IDocument document, int position, int end) throws BadLocationException {
+ private int getCommentEnd(IDocument document, int position, int end)
+ throws BadLocationException {
int currentPosition = position;
while (currentPosition < end) {
- char curr= document.getChar(currentPosition);
+ char curr = document.getChar(currentPosition);
currentPosition++;
if (curr == '*') {
- if (currentPosition < end && document.getChar(currentPosition) == '/') {
+ if (currentPosition < end
+ && document.getChar(currentPosition) == '/') {
return currentPosition + 1;
}
}
}
return end;
}
-
+
/**
* Returns the String at line with the leading whitespace removed.
+ *
* @returns the String at line with the leading whitespace removed.
- * @param document - the document being parsed
- * @param line - the line being searched
+ * @param document -
+ * the document being parsed
+ * @param line -
+ * the line being searched
*/
- protected String getIndentOfLine(IDocument document, int line) throws BadLocationException {
+ protected String getIndentOfLine(IDocument document, int line)
+ throws BadLocationException {
if (line > -1) {
- int start= document.getLineOffset(line);
- int end= start + document.getLineLength(line) - 1;
- int whiteend= findEndOfWhiteSpace(document, start, end);
+ int start = document.getLineOffset(line);
+ int end = start + document.getLineLength(line) - 1;
+ int whiteend = findEndOfWhiteSpace(document, start, end);
return document.get(start, whiteend - start);
} else {
return ""; //$NON-NLS-1$
}
}
-
+
/**
* Returns the position of the character in the document after position.
+ *
* @returns the next location of character.
- * @param document - the document being parsed
- * @param position - the position to start searching from
- * @param end - the end of the document
- * @param character - the character you are trying to match
+ * @param document -
+ * the document being parsed
+ * @param position -
+ * the position to start searching from
+ * @param end -
+ * the end of the document
+ * @param character -
+ * the character you are trying to match
*/
- private int getStringEnd(IDocument document, int position, int end, char character) throws BadLocationException {
+ private int getStringEnd(IDocument document, int position, int end,
+ char character) throws BadLocationException {
int currentPosition = position;
while (currentPosition < end) {
- char currentCharacter= document.getChar(currentPosition);
+ char currentCharacter = document.getChar(currentPosition);
currentPosition++;
if (currentCharacter == '\\') {
// ignore escaped characters
}
return end;
}
-
+
/**
- * Set the indent of a new line based on the command provided in the supplied document.
- * @param document - the document being parsed
- * @param command - the command being performed
+ * Set the indent of a new line based on the command provided in the
+ * supplied document.
+ *
+ * @param document -
+ * the document being parsed
+ * @param command -
+ * the command being performed
*/
- protected void smartIndentAfterNewLine(IDocument document, DocumentCommand command) {
+ protected void smartIndentAfterNewLine(IDocument document,
+ DocumentCommand command) {
- int docLength= document.getLength();
+ int docLength = document.getLength();
if (command.offset == -1 || docLength == 0)
return;
try {
- int p= (command.offset == docLength ? command.offset - 1 : command.offset);
- int line= document.getLineOfOffset(p);
+ int p = (command.offset == docLength ? command.offset - 1
+ : command.offset);
+ int line = document.getLineOfOffset(p);
- StringBuffer buf= new StringBuffer(command.text);
- if (command.offset < docLength && document.getChar(command.offset) == '}') {
- int indLine= findMatchingOpenBracket(document, line, command.offset, 0);
+ StringBuffer buf = new StringBuffer(command.text);
+ if (command.offset < docLength
+ && document.getChar(command.offset) == '}') {
+ int indLine = findMatchingOpenBracket(document, line,
+ command.offset, 0);
if (indLine == -1) {
- indLine= line;
+ indLine = line;
}
buf.append(getIndentOfLine(document, indLine));
} else {
- int start= document.getLineOffset(line);
- int whiteend= findEndOfWhiteSpace(document, start, command.offset);
+ int start = document.getLineOffset(line);
+ int whiteend = findEndOfWhiteSpace(document, start,
+ command.offset);
+ //int offset = -1;
+ // if (command.offset > 0 && command.offset < docLength &&
+ // document.getChar(command.offset-1) == '{') {
+ // offset = command.offset;
+ // }
buf.append(document.get(start, whiteend - start));
if (getBracketCount(document, start, command.offset, true) > 0) {
buf.append('\t');
}
+ // if (offset >= 0) {
+ // buf.append('}');
+ // }
}
- command.text= buf.toString();
+ command.text = buf.toString();
} catch (BadLocationException excp) {
- System.out.println(PHPEditorMessages.getString("AutoIndent.error.bad_location_1")); //$NON-NLS-1$
+ System.out.println(PHPEditorMessages
+ .getString("AutoIndent.error.bad_location_1")); //$NON-NLS-1$
}
}
-
+
/**
- * Set the indent of a bracket based on the command provided in the supplied document.
- * @param document - the document being parsed
- * @param command - the command being performed
+ * Set the indent of a bracket based on the command provided in the supplied
+ * document.
+ *
+ * @param document -
+ * the document being parsed
+ * @param command -
+ * the command being performed
*/
- protected void smartInsertAfterBracket(IDocument document, DocumentCommand command) {
+ protected void smartInsertAfterBracket(IDocument document,
+ DocumentCommand command) {
if (command.offset == -1 || document.getLength() == 0)
return;
try {
- int p= (command.offset == document.getLength() ? command.offset - 1 : command.offset);
- int line= document.getLineOfOffset(p);
- int start= document.getLineOffset(line);
- int whiteend= findEndOfWhiteSpace(document, start, command.offset);
+ int p = (command.offset == document.getLength() ? command.offset - 1
+ : command.offset);
+ int line = document.getLineOfOffset(p);
+ int start = document.getLineOffset(line);
+ int whiteend = findEndOfWhiteSpace(document, start, command.offset);
- // shift only when line does not contain any text up to the closing bracket
+ // shift only when line does not contain any text up to the closing
+ // bracket
if (whiteend == command.offset) {
- // evaluate the line with the opening bracket that matches out closing bracket
- int indLine= findMatchingOpenBracket(document, line, command.offset, 1);
+ // evaluate the line with the opening bracket that matches out
+ // closing bracket
+ int indLine = findMatchingOpenBracket(document, line,
+ command.offset, 1);
if (indLine != -1 && indLine != line) {
// take the indent of the found line
- StringBuffer replaceText= new StringBuffer(getIndentOfLine(document, indLine));
- // add the rest of the current line including the just added close bracket
- replaceText.append(document.get(whiteend, command.offset - whiteend));
+ StringBuffer replaceText = new StringBuffer(
+ getIndentOfLine(document, indLine));
+ // add the rest of the current line including the just added
+ // close bracket
+ replaceText.append(document.get(whiteend, command.offset
+ - whiteend));
replaceText.append(command.text);
// modify document command
- command.length= command.offset - start;
- command.offset= start;
- command.text= replaceText.toString();
+ command.length = command.offset - start;
+ command.offset = start;
+ command.text = replaceText.toString();
}
}
} catch (BadLocationException excp) {
- System.out.println(PHPEditorMessages.getString("AutoIndent.error.bad_location_2")); //$NON-NLS-1$
+ System.out.println(PHPEditorMessages
+ .getString("AutoIndent.error.bad_location_2")); //$NON-NLS-1$
}
}
}