X-Git-Url: http://secure.phpeclipse.com diff --git a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/phpeditor/php/PHPCodeScanner.java b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/phpeditor/php/PHPCodeScanner.java deleted file mode 100644 index 8f2eed7..0000000 --- a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/phpeditor/php/PHPCodeScanner.java +++ /dev/null @@ -1,479 +0,0 @@ -/********************************************************************** - 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.phpeditor.PHPSyntaxRdr; -import net.sourceforge.phpeclipse.phpeditor.util.PHPWhitespaceDetector; -import net.sourceforge.phpeclipse.phpeditor.util.PHPWordDetector; - -import org.eclipse.jface.preference.IPreferenceStore; -//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.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; - - /** 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 true iff the character is an operator, - * false 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 - * null - * @param token - * the token to be returned if the word has been found, may - * not be null - */ - 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); - } - 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; - } -} \ No newline at end of file