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Diffstat (limited to 'bundles/org.eclipse.wst.jsdt.web.ui/src/org/eclipse/wst/jsdt/web/ui/internal/style/java/JSDTCodeScanner.java')
-rw-r--r--bundles/org.eclipse.wst.jsdt.web.ui/src/org/eclipse/wst/jsdt/web/ui/internal/style/java/JSDTCodeScanner.java216
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diff --git a/bundles/org.eclipse.wst.jsdt.web.ui/src/org/eclipse/wst/jsdt/web/ui/internal/style/java/JSDTCodeScanner.java b/bundles/org.eclipse.wst.jsdt.web.ui/src/org/eclipse/wst/jsdt/web/ui/internal/style/java/JSDTCodeScanner.java
deleted file mode 100644
index d6d50e3ea6..0000000000
--- a/bundles/org.eclipse.wst.jsdt.web.ui/src/org/eclipse/wst/jsdt/web/ui/internal/style/java/JSDTCodeScanner.java
+++ /dev/null
@@ -1,216 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2004, 2010 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.wst.jsdt.web.ui.internal.style.java;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import org.eclipse.jface.text.rules.EndOfLineRule;
-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.PatternRule;
-import org.eclipse.jface.text.rules.SingleLineRule;
-import org.eclipse.jface.text.rules.Token;
-import org.eclipse.jface.text.rules.WordRule;
-import org.eclipse.wst.jsdt.web.core.javascript.JsDataTypes;
-import org.eclipse.wst.xml.ui.internal.style.IStyleConstantsXML;
-
-/**
-*
-
-* Provisional API: This class/interface is part of an interim API that is still under development and expected to
-* change significantly before reaching stability. It is being made available at this early stage to solicit feedback
-* from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken
-* (repeatedly) as the API evolves.
-*/
-class JSDTCodeScanner extends org.eclipse.jface.text.rules.RuleBasedScanner {
- private static String[] fgConstants = JsDataTypes.CONSTANTS;
- private static String[] fgKeywords = JsDataTypes.KEYWORDS;
- private static String[] fgTypes = JsDataTypes.TYPES;
- private IToken fDefaultToken;
- private IToken fKeywordToken;
- private IToken fSingleLineCommentToken;
- private IToken fMultiLineCommentToken;
- private IToken fStringToken;
- private IToken fTypeToken;
- private IToken fHTMLCommentBorderToken;
-
- /**
- * Creates a Java code scanner
- */
- public JSDTCodeScanner() {
- super();
- }
-
- public void initializeRules() {
- List rules = new ArrayList();
- // Add rule for multiple line comments.
- rules.add(new MultiLineRule("/*", "*/", fMultiLineCommentToken));//$NON-NLS-1$ //$NON-NLS-2$
- // Add rule for single line comments.
- rules.add(new NoneInclusiveEndSequenceSingleLineRule("//", "-->", fSingleLineCommentToken));//$NON-NLS-1$
- // Add rule for strings and character constants.
- rules.add(new SingleLineRule("\"", "\"", fStringToken, '\\'));//$NON-NLS-2$//$NON-NLS-1$
- rules.add(new SingleLineRule("'", "'", fStringToken, '\\'));//$NON-NLS-2$//$NON-NLS-1$
- // Add generic whitespace rule.
- // rules.add(new WhitespaceRule(new JavaWhitespaceDetector()));
- // Add word rule for keywords, types, and constants.
- WordRule wordRule = new WordRule(new JavaWordDetector(), fDefaultToken);
- for (int i = 0; i < JSDTCodeScanner.fgKeywords.length; i++) {
- wordRule.addWord(JSDTCodeScanner.fgKeywords[i], fKeywordToken);
- }
- for (int i = 0; i < JSDTCodeScanner.fgTypes.length; i++) {
- wordRule.addWord(JSDTCodeScanner.fgTypes[i], fTypeToken);
- }
- for (int i = 0; i < JSDTCodeScanner.fgConstants.length; i++) {
- wordRule.addWord(JSDTCodeScanner.fgConstants[i], fTypeToken);
- }
- rules.add(wordRule);
-
- //add word rule for HTML style comment delimiters
- rules.add(new WordRule(new HTMLCommentDetector(), this.fHTMLCommentBorderToken));
-
- //add rule for text after leading HTML comment delimiter
- rules.add(new NoneInclusiveStartSequenceEndOfLineRule("<!--", this.fSingleLineCommentToken));
-
- IRule[] result = new IRule[rules.size()];
- rules.toArray(result);
- setRules(result);
- }
-
- public void setTokenData(String tokenKey, Object data) {
- if (tokenKey == IStyleConstantsJSDT.JAVA_KEYWORD) {
- fKeywordToken = new Token(data);
- fTypeToken = new Token(data);
- } else if (tokenKey == IStyleConstantsJSDT.JAVA_STRING) {
- fStringToken = new Token(data);
- } else if (tokenKey == IStyleConstantsJSDT.JAVA_SINGLE_LINE_COMMENT) {
- fSingleLineCommentToken = new Token(data);
- } else if (tokenKey == IStyleConstantsJSDT.JAVA_MULTI_LINE_COMMENT) {
- fMultiLineCommentToken = new Token(data);
- } else if (tokenKey == IStyleConstantsJSDT.JAVA_DEFAULT) {
- fDefaultToken = new Token(data);
- } else if(tokenKey == IStyleConstantsXML.COMMENT_BORDER) {
- fHTMLCommentBorderToken = new Token(data);
- }
- }
-
- /**
- * <p>Detector for HTML comment delimiters.</p>
- */
- private static class HTMLCommentDetector implements IWordDetector {
-
- /**
- * @see IWordDetector#isWordStart(char)
- */
- public boolean isWordStart(char c) {
- return (c == '<' || c == '-');
- }
-
- /**
- * @see IWordDetector#isWordPart(char)
- */
- public boolean isWordPart(char c) {
- return (c == '-' || c == '!' || c == '>');
- }
- }
-
- /**
- * <p>Same as a {@link SingleLineRule} except the given end sequence is not counted as part of the match.</p>
- *
- * @see SingleLineRule
- */
- private static class NoneInclusiveEndSequenceSingleLineRule extends SingleLineRule {
-
- /**
- * @param startSequence start sequence included in rule match
- * @param endSequence end sequence that will end this rule but will not be counted as part of the match
- * @param token to return on a match by this rule
- */
- public NoneInclusiveEndSequenceSingleLineRule(String startSequence, String endSequence, IToken token) {
- super(startSequence, endSequence, token);
- }
-
- /**
- * <p>If the end sequence is detected then scanner is rewind to just before the end sequence,
- * otherwise acts the same as {@link PatternRule#endSequenceDetected}</p>
- *
- * @see PatternRule#endSequenceDetected
- */
- protected boolean endSequenceDetected(ICharacterScanner scanner) {
- boolean success = super.endSequenceDetected(scanner);
- if(success) {
- for (int length = this.fEndSequence.length-1; length > 0; length--) {
- scanner.unread();
- }
-
- if(this.sequenceDetected(scanner, this.fEndSequence, false)) {
- for (int length = this.fEndSequence.length; length > 0; length--) {
- scanner.unread();
- }
- }
- }
- return success;
- }
- }
-
- /**
- * <p>Same as an {@link EndOfLineRule} except the given start sequence is not counted as part of the match.</p>
- *
- * @see EndOfLineRule
- */
- private static class NoneInclusiveStartSequenceEndOfLineRule extends EndOfLineRule {
-
- /**
- * @param startSequence start sequence the identifies the start of this match but is not counted as part of the match
- * @param token to return on a match by this rule
- */
- public NoneInclusiveStartSequenceEndOfLineRule(String startSequence, IToken token) {
- super(startSequence, token);
- }
-
- /**
- * <p>Same as overridden function except unreads the scanner back the length of the start sequence
- * since the start sequence is not counted as part of the match.</p>
- *
- * @see org.eclipse.jface.text.rules.PatternRule#doEvaluate(org.eclipse.jface.text.rules.ICharacterScanner, boolean)
- */
- protected IToken doEvaluate(ICharacterScanner scanner, boolean resume) {
- if (resume) {
- if (endSequenceDetected(scanner))
- return fToken;
- } else {
- //unread the length of the start sequence since it is not counted as part of the match
- for(int i = 0; i < this.fStartSequence.length && scanner.getColumn() >= 0; ++i) {
- scanner.unread();
- }
-
- int c= scanner.read();
- if (c == fStartSequence[0]) {
- if (sequenceDetected(scanner, fStartSequence, false)) {
- if (endSequenceDetected(scanner))
- return fToken;
- }
- }
-
- //be sure to re-read the length of the start sequence if we did not match
- for(int i = 0; i < this.fStartSequence.length && scanner.getColumn() >= 0; ++i) {
- scanner.read();
- }
- }
-
- scanner.unread();
- return Token.UNDEFINED;
- }
- }
-}

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