/**********************************************************************
-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
- Klaus Hartlage - www.eclipseproject.de
-**********************************************************************/
+ 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.HashMap;
import java.util.List;
+import java.util.Map;
+import net.sourceforge.phpdt.internal.ui.text.AbstractJavaScanner;
+import net.sourceforge.phpdt.ui.text.IColorManager;
import net.sourceforge.phpeclipse.IPreferenceConstants;
-import net.sourceforge.phpeclipse.PHPeclipsePlugin;
-import net.sourceforge.phpeclipse.phpeditor.util.PHPColorProvider;
+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.preference.PreferenceConverter;
-import org.eclipse.jface.text.TextAttribute;
-import org.eclipse.jface.text.rules.EndOfLineRule;
+//incastrix
+//import org.eclipse.jface.text.Assert;
+import org.eclipse.core.runtime.Assert;
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.RuleBasedScanner;
-import org.eclipse.jface.text.rules.SingleLineRule;
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 RuleBasedScanner implements IPreferenceConstants {
-
- private IToken variable;
-
- 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;
- if (fDetector.isWordStart((char) c)) {
- if (c == '$') {
- isVariable = true;
- }
- if (fColumn == UNDEFINED || (fColumn == scanner.getColumn() - 1)) {
-
- fBuffer.setLength(0);
- do {
- fBuffer.append((char) c);
- c = scanner.read();
- } while (c != scanner.EOF && fDetector.isWordPart((char) c));
- scanner.unread();
-
- if (isVariable) {
- return variable;
- }
- IToken token = (IToken) fWords.get(fBuffer.toString());
- if (token != null)
- return token;
-
- if (fDefaultToken.isUndefined())
- unreadBuffer(scanner);
-
- return fDefaultToken;
- }
- }
-
- scanner.unread();
- return Token.UNDEFINED;
- }
- }
-
- private static String[] fgConstants = { "__LINE__", "__FILE__", "true", "false", "null", "object", "array" };
- private TextAttribute fComment;
- private TextAttribute fKeyword;
- private TextAttribute fType;
- private TextAttribute fString;
- private PHPColorProvider fColorProvider;
-
- /**
- * Creates a Java code scanner
- */
- public PHPCodeScanner(PHPColorProvider provider) {
- final IPreferenceStore store = PHPeclipsePlugin.getDefault().getPreferenceStore();
-
- IToken keyword = new Token(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_KEYWORD))));
- IToken functionName = new Token(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_FUNCTIONNAME))));
- IToken string = new Token(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_STRING))));
- IToken comment = new Token(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_SINGLELINE_COMMENT))));
- IToken multi_comment =
- new Token(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_MULTILINE_COMMENT))));
- IToken other = new Token(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_DEFAULT))));
-
- variable = new Token(new TextAttribute(provider.getColor(PHPColorProvider.VARIABLE)));
-
- List rules = new ArrayList();
-
- // Add rule for single line comments.
- rules.add(new EndOfLineRule("//", comment)); //$NON-NLS-1$
- // EndOfLineRule endOfLine = new EndOfLineRule("#", comment);
- // endOfLine.setColumnConstraint(0);
- rules.add(new EndOfLineRule("#", comment));
-
- // Add rule for strings and character constants.
- rules.add(new MultiLineRule("\"", "\"", string, '\\')); //$NON-NLS-2$ //$NON-NLS-1$
- rules.add(new SingleLineRule("'", "'", string, '\\')); //$NON-NLS-2$ //$NON-NLS-1$
-
- // rules.add(new SingleLineRule("//", "//", php_comment));
- rules.add(new MultiLineRule("/*", "*/", multi_comment));
-
- // Add generic whitespace rule.
- rules.add(new WhitespaceRule(new PHPWhitespaceDetector()));
-
- // Add word rule for keywords, types, and constants.
- PHPWordRule wordRule = new PHPWordRule(new PHPWordDetector(), other);
- for (int i = 0; i < PHPKeywords.PHP_KEYWORS.length; i++)
- wordRule.addWord(PHPKeywords.PHP_KEYWORS[i], keyword);
- for (int i = 0; i < PHPFunctionNames.FUNCTION_NAMES.length; i++)
- wordRule.addWord(PHPFunctionNames.FUNCTION_NAMES[i], functionName);
- for (int i = 0; i < fgConstants.length; i++)
- wordRule.addWord(fgConstants[i], functionName);
- rules.add(wordRule);
-
- IRule[] result = new IRule[rules.size()];
- rules.toArray(result);
- setRules(result);
- }
+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;
+
+ /** Token to return for heredocs */
+ private final IToken fTokenHeredoc;
+
+ /**
+ * Creates a new operator rule.
+ *
+ * @param token
+ * Token to use for this rule
+ * @param tokenHeredoc
+ * TODO
+ */
+ public OperatorRule(IToken token, IToken tokenBraces,
+ IToken tokenHeredoc) {
+ fToken = token;
+ fTokenBraces = tokenBraces;
+ fTokenHeredoc = tokenHeredoc;
+ }
+
+ /**
+ * 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();
+ // the readHEREDOC(scanner) call doesn't work, if we have our
+ // own partitions for single quoted
+ // or double quoted strings:
+ //
+ // if (lastCharacter == '<' && character == '<') {
+ // int heredocCharacter = scanner.read();
+ // if (heredocCharacter == '<') {
+ // // start of heredoc comment;
+ // if (readHEREDOC(scanner)) {
+ // return fTokenHeredoc;
+ // }
+ // } else {
+ // scanner.unread();
+ // }
+ // }
+ 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;
+ }
+ if (character == ICharacterScanner.EOF) {
+ return fToken;
+ }
+ } while (isOperator((char) character));
+ scanner.unread();
+ return fToken;
+ } else {
+ scanner.unread();
+ return Token.UNDEFINED;
+ }
+ }
+
+ // private boolean readHEREDOC(ICharacterScanner scanner) {
+ // // search until heredoc ends
+ // int ch;
+ // StringBuffer buf = new StringBuffer();
+ // char[] heredocIdent;
+ //
+ // ch = scanner.read();
+ // if (!Scanner.isPHPIdentifierStart((char)ch)) {
+ // scanner.unread();
+ // scanner.unread();
+ // return false;
+ // }
+ // while (Scanner.isPHPIdentifierPart((char)ch)) {
+ // buf.append((char)ch);
+ // ch = scanner.read();
+ // }
+ // if (ch==ICharacterScanner.EOF) {
+ // return true;
+ // }
+ // heredocIdent = buf.toString().toCharArray();
+ // while (true) {
+ // ch = scanner.read();
+ // if (ch==ICharacterScanner.EOF) {
+ // return true;
+ // }
+ // if (ch == '\n') { // heredoc could end after a newline
+ // int pos = 0;
+ // while (true) {
+ // if (pos == heredocIdent.length) {
+ // return true;
+ // }
+ // ch = scanner.read(); // ignore escaped character
+ // if (ch != heredocIdent[pos]) {
+ // break;
+ // }
+ // if (ch==ICharacterScanner.EOF) {
+ // return true;
+ // }
+ // pos++;
+ // }
+ // }
+ // }
+ // }
+
+ /**
+ * 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 (character != ICharacterScanner.EOF) {
+ character = scanner.read();
+ if (character == '\\') {
+ character = scanner.read();
+ } else if (character == '`') {
+ return fToken;
+ }
+ }
+ scanner.unread();
+ return Token.UNDEFINED;
+ } else {
+ scanner.unread();
+ return Token.UNDEFINED;
+ }
+ }
+
+ }
+
+ private class PHPWordRule extends WordRule {
+ private StringBuffer fBuffer = new StringBuffer();
+
+ protected Map fWordsIgnoreCase = new HashMap();
+
+ public PHPWordRule(IWordDetector detector) {
+ super(detector, Token.UNDEFINED);
+ }
+
+ public PHPWordRule(IWordDetector detector, IToken defaultToken) {
+ super(detector, defaultToken);
+ }
+
+ /**
+ * Adds a word and the token to be returned if it is detected.
+ *
+ * @param word
+ * the word this rule will search for, may not be
+ * <code>null</code>
+ * @param token
+ * the token to be returned if the word has been found, may
+ * not be <code>null</code>
+ */
+ public void addWordIgnoreCase(String word, IToken token) {
+ Assert.isNotNull(word);
+ Assert.isNotNull(token);
+
+ fWordsIgnoreCase.put(word, token);
+ }
+
+ public IToken evaluate(ICharacterScanner scanner) {
+ int c = scanner.read();
+ boolean isVariable = false;
+ boolean isUnderscore = false;
+ String word;
+ 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);
+ }
+ word = fBuffer.toString();
+ IToken token = (IToken) fWords.get(word);
+ if (token != null)
+ return token;
+
+ token = (IToken) fWordsIgnoreCase.get(word.toLowerCase());
+ 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.addWordIgnoreCase(((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),
+ getToken(IPreferenceConstants.PHP_STRING_DQ)));
+
+ rules.add(wordRule);
+
+ setDefaultReturnToken(getToken(IPreferenceConstants.PHP_DEFAULT));
+ return rules;
+ }
}
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