+++ /dev/null
-/**********************************************************************
- 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
- **********************************************************************/
-package net.sourceforge.phpeclipse.phpeditor.php;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import net.sourceforge.phpdt.internal.ui.text.AbstractJavaScanner;
-import net.sourceforge.phpdt.ui.text.IColorManager;
-import net.sourceforge.phpeclipse.IPreferenceConstants;
-import net.sourceforge.phpeclipse.phpeditor.PHPSyntaxRdr;
-import net.sourceforge.phpeclipse.phpeditor.util.PHPWhitespaceDetector;
-import net.sourceforge.phpeclipse.phpeditor.util.PHPWordDetector;
-
-import org.eclipse.jface.preference.IPreferenceStore;
-import org.eclipse.jface.text.rules.ICharacterScanner;
-import org.eclipse.jface.text.rules.IRule;
-import org.eclipse.jface.text.rules.IToken;
-import org.eclipse.jface.text.rules.IWordDetector;
-import org.eclipse.jface.text.rules.MultiLineRule;
-import org.eclipse.jface.text.rules.Token;
-import org.eclipse.jface.text.rules.WhitespaceRule;
-import org.eclipse.jface.text.rules.WordRule;
-
-/**
- * PHP Code Scanner
- */
-public class PHPCodeScanner extends AbstractJavaScanner {
-
- /**
- * Rule to detect java operators.
- *
- * @since 3.0
- */
- protected class OperatorRule implements IRule {
-
- /** Java operators */
- private final char[] PHP_OPERATORS = {
- ';',
- '(',
- ')',
- '.',
- '=',
- '/',
- '\\',
- '+',
- '-',
- '*',
- '[',
- ']',
- '<',
- '>',
- ':',
- '?',
- '!',
- ',',
- '|',
- '&',
- '^',
- '%',
- '~',
- '@' };
-
- /** Token to return for this rule */
- private final IToken fToken;
-
- /** Token to return for braces */
- private final IToken fTokenBraces;
-
- /**
- * Creates a new operator rule.
- *
- * @param token
- * Token to use for this rule
- */
- public OperatorRule(IToken token, IToken tokenBraces) {
- fToken = token;
- fTokenBraces = tokenBraces;
-
- }
-
- /**
- * Is this character an operator character?
- *
- * @param character
- * Character to determine whether it is an operator character
- * @return <code>true</code> iff the character is an operator, <code>false</code> otherwise.
- */
- public boolean isOperator(char character) {
- for (int index = 0; index < PHP_OPERATORS.length; index++) {
- if (PHP_OPERATORS[index] == character)
- return true;
- }
- return false;
- }
-
- /*
- * @see org.eclipse.jface.text.rules.IRule#evaluate(org.eclipse.jface.text.rules.ICharacterScanner)
- */
- public IToken evaluate(ICharacterScanner scanner) {
-
- int character = scanner.read();
- if (character == '{' || character == '}') {
- return fTokenBraces;
- }
- if (isOperator((char) character)) {
- int lastCharacter = character;
- character = scanner.read();
- if (!isOperator((char) character)) {
- scanner.unread();
- return fToken;
- }
- if (checkPHPTag(scanner, lastCharacter, character)) {
- return Token.UNDEFINED;
- }
- do {
- lastCharacter = character;
- character = scanner.read();
- if (checkPHPTag(scanner, lastCharacter, character)) {
- return fToken;
- }
- } while (isOperator((char) character));
- scanner.unread();
- return fToken;
- } else {
- scanner.unread();
- return Token.UNDEFINED;
- }
- }
-
- /**
- * Check if lastCharacter/character are a PHP start or end token ( <? ... ?> )
- *
- * @param scanner
- * @param lastCharacter
- * @param character
- * @return
- */
- private boolean checkPHPTag(ICharacterScanner scanner, int lastCharacter, int character) {
- if (lastCharacter == '<' && character == '?') {
- scanner.unread();
- scanner.unread();
- return true;
- } else if (lastCharacter == '?' && character == '>') {
- scanner.unread();
- scanner.unread();
- return true;
- }
- return false;
- }
- }
-
-
- protected class AccentStringRule implements IRule {
-
- /** Token to return for this rule */
- private final IToken fToken;
-
- public AccentStringRule(IToken token) {
- fToken = token;
-
- }
-
- /*
- * @see org.eclipse.jface.text.rules.IRule#evaluate(org.eclipse.jface.text.rules.ICharacterScanner)
- */
- public IToken evaluate(ICharacterScanner scanner) {
-
- int character = scanner.read();
-
- if (character == '`') {
-
- while (true) {
- character = scanner.read();
- if (character == '\\') {
- character = scanner.read();
- } else if (character == '`') {
- return fToken;
- }
- }
-
- } else {
- scanner.unread();
- return Token.UNDEFINED;
- }
- }
-
- }
-
- private class PHPWordRule extends WordRule {
- private StringBuffer fBuffer = new StringBuffer();
-
- public PHPWordRule(IWordDetector detector) {
- super(detector, Token.UNDEFINED);
- }
-
- public PHPWordRule(IWordDetector detector, IToken defaultToken) {
- super(detector, defaultToken);
- }
-
- public IToken evaluate(ICharacterScanner scanner) {
- int c = scanner.read();
- boolean isVariable = false;
- boolean isUnderscore = false;
- if (c == '<') {
- c = scanner.read();
- if (c != '?') {
- scanner.unread();
- scanner.unread();
- return Token.UNDEFINED;
- } else {
- c = scanner.read();
- if (c == '=') { // <?=
- return getToken(IPreferenceConstants.PHP_TAG);
- }
- if (c != 'p' && c != 'P') {
- scanner.unread();
- return getToken(IPreferenceConstants.PHP_TAG);
- } else {
- c = scanner.read();
- if (c != 'h' && c != 'H') {
- scanner.unread();
- scanner.unread();
- return getToken(IPreferenceConstants.PHP_TAG);
- } else {
- c = scanner.read();
- if (c != 'p' && c != 'P') {
- scanner.unread();
- scanner.unread();
- scanner.unread();
- return getToken(IPreferenceConstants.PHP_TAG);
- } else {
- return getToken(IPreferenceConstants.PHP_TAG);
- }
- }
- }
- }
- }
- if (c == '?') {
- c = scanner.read();
- if (c == '>') {
- return getToken(IPreferenceConstants.PHP_TAG);
- }
- scanner.unread();
- scanner.unread();
- return Token.UNDEFINED;
- }
- if (fDetector.isWordStart((char) c)) {
- if (c == '$') {
- isVariable = true;
- }
- if (fColumn == UNDEFINED || (fColumn == scanner.getColumn() - 1)) {
-
- fBuffer.setLength(0);
- fBuffer.append((char) c);
- c = scanner.read();
- if (c == '_') {
- isUnderscore = true;
- }
- while (c != ICharacterScanner.EOF && fDetector.isWordPart((char) c)) {
- fBuffer.append((char) c);
- c = scanner.read();
- }
- scanner.unread();
-
- if (isVariable) {
- if (isUnderscore) {
- return getToken(IPreferenceConstants.PHP_VARIABLE_DOLLAR);
- }
- return getToken(IPreferenceConstants.PHP_VARIABLE);
- }
- IToken token = (IToken) fWords.get(fBuffer.toString());
- if (token != null)
- return token;
-
- if (fDefaultToken.isUndefined())
- unreadBuffer(scanner);
-
- return fDefaultToken;
- }
- }
-
- scanner.unread();
- return Token.UNDEFINED;
- }
- }
-
- //private PHPColorProvider fColorProvider;
-
- private static String[] fgTokenProperties = {
- IPreferenceConstants.PHP_MULTILINE_COMMENT,
- IPreferenceConstants.PHP_SINGLELINE_COMMENT,
- IPreferenceConstants.PHP_TAG,
- IPreferenceConstants.PHP_KEYWORD,
- IPreferenceConstants.PHP_FUNCTIONNAME,
- IPreferenceConstants.PHP_VARIABLE,
- IPreferenceConstants.PHP_VARIABLE_DOLLAR,
- IPreferenceConstants.PHP_STRING_DQ,
- IPreferenceConstants.PHP_STRING_SQ,
- IPreferenceConstants.PHP_TYPE,
- IPreferenceConstants.PHP_CONSTANT,
- IPreferenceConstants.PHP_DEFAULT,
- IPreferenceConstants.PHP_OPERATOR,
- IPreferenceConstants.PHP_BRACE_OPERATOR,
- IPreferenceConstants.PHP_KEYWORD_RETURN };
-
- /**
- * Creates a PHP code scanner
- */
- // public PHPCodeScanner(JavaColorManager provider, IPreferenceStore store) {
- public PHPCodeScanner(IColorManager manager, IPreferenceStore store) {
- super(manager, store);
- initialize();
- }
-
- /*
- * @see AbstractJavaScanner#getTokenProperties()
- */
- protected String[] getTokenProperties() {
- return fgTokenProperties;
- }
-
- /*
- * @see AbstractJavaScanner#createRules()
- */
- protected List createRules() {
- List rules = new ArrayList();
- Token token = getToken(IPreferenceConstants.PHP_SINGLELINE_COMMENT);
- // Add rule for single line comments.
- // rules.add(new EndOfLineRule("//", token)); //$NON-NLS-1$
- // rules.add(new EndOfLineRule("#", token)); //$NON-NLS-1$
- // Add rule for strings and character constants.
- // token = getToken(IPreferenceConstants.PHP_STRING_SQ);
- // rules.add(new SingleQuoteStringRule(token));
- // token = getToken(IPreferenceConstants.PHP_STRING_DQ);
- // rules.add(new DoubleQuoteStringRule(token));
- rules.add(new AccentStringRule(token));
-
- token = getToken(IPreferenceConstants.PHP_MULTILINE_COMMENT);
- rules.add(new MultiLineRule("/*", "*/", token)); //$NON-NLS-2$ //$NON-NLS-1$
- // Add generic whitespace rule.
- rules.add(new WhitespaceRule(new PHPWhitespaceDetector()));
- // Add word rule for keywords, types, and constants.
- token = getToken(IPreferenceConstants.PHP_DEFAULT);
- PHPWordRule wordRule = new PHPWordRule(new PHPWordDetector(), token);
-
- Token keyword = getToken(IPreferenceConstants.PHP_KEYWORD);
- Token functionName = getToken(IPreferenceConstants.PHP_FUNCTIONNAME);
- Token type = getToken(IPreferenceConstants.PHP_TYPE);
- Token constant = getToken(IPreferenceConstants.PHP_CONSTANT);
-
- ArrayList buffer = PHPSyntaxRdr.getSyntaxData();
- // String strbuffer = null; unused
- PHPElement elbuffer = null;
- String name;
- for (int i = 0; i < buffer.size(); i++) {
- // while ((buffer != null)
- // && (!buffer.isEmpty()
- // && ((elbuffer = (PHPElement) buffer.remove(0)) != null))) {
- elbuffer = (PHPElement) buffer.get(i);
- if (elbuffer instanceof PHPKeyword) {
- name = ((PHPKeyword) elbuffer).getName();
- if (!name.equals("return")) {
- wordRule.addWord(name, keyword);
- }
- } else if (elbuffer instanceof PHPFunction) {
- wordRule.addWord(((PHPFunction) elbuffer).getName(), functionName);
- } else if (elbuffer instanceof PHPType) {
- wordRule.addWord(elbuffer.getName(), type);
- } else if (elbuffer instanceof PHPConstant) {
- wordRule.addWord(elbuffer.getName(), constant);
- }
- }
-
- // Add word rule for keyword 'return'.
- token = getToken(IPreferenceConstants.PHP_KEYWORD_RETURN);
- wordRule.addWord("return", token);
-
- // Add rule for operators and brackets (at the end !)
- rules.add(new OperatorRule(getToken(IPreferenceConstants.PHP_OPERATOR), getToken(IPreferenceConstants.PHP_BRACE_OPERATOR)));
-
- rules.add(wordRule);
-
- setDefaultReturnToken(getToken(IPreferenceConstants.PHP_DEFAULT));
- return rules;
- }
-}
\ No newline at end of file
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