/*
* ====================================================================
*
* The ObjectStyle Group Software License, Version 1.0
*
* Copyright (c) 2005 The ObjectStyle Group and individual authors of the
* software. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met: 1.
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer. 2. Redistributions in
* binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution. 3. The end-user documentation
* included with the redistribution, if any, must include the following
* acknowlegement: "This product includes software developed by the ObjectStyle
* Group (http://objectstyle.org/)." Alternately, this acknowlegement may
* appear in the software itself, if and wherever such third-party
* acknowlegements normally appear. 4. The names "ObjectStyle Group" and
* "Cayenne" must not be used to endorse or promote products derived from this
* software without prior written permission. For written permission, please
* contact andrus@objectstyle.org. 5. Products derived from this software may
* not be called "ObjectStyle" nor may "ObjectStyle" appear in their names
* without prior written permission of the ObjectStyle Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* OBJECTSTYLE GROUP OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of the ObjectStyle Group. For more information on the ObjectStyle
* Group, please see <http://objectstyle.org/> .
*
*/
package org.objectstyle.wolips.wodclipse.core.parser;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.text.AbstractJavaScanner;
import org.eclipse.jdt.ui.text.IColorManager;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.rules.IRule;
import org.eclipse.jface.text.rules.IToken;
import org.eclipse.jface.text.rules.SingleLineRule;
import org.eclipse.jface.text.rules.Token;
import org.eclipse.jface.text.rules.WhitespaceRule;
import org.objectstyle.wolips.wodclipse.core.Activator;
import org.objectstyle.wolips.wodclipse.core.preferences.PreferenceConstants;
/**
* @author mike
*/
public class WodScanner extends AbstractJavaScanner {
private static String[] WOD_TOKENS = { PreferenceConstants.ELEMENT_NAME, PreferenceConstants.ELEMENT_TYPE, PreferenceConstants.BINDING_NAME, PreferenceConstants.BINDING_NAMESPACE, PreferenceConstants.BINDING_VALUE, PreferenceConstants.BINDING_VALUE_NAMESPACE, PreferenceConstants.OGNL_BINDING_VALUE, PreferenceConstants.CONSTANT_BINDING_VALUE, PreferenceConstants.OPERATOR, PreferenceConstants.COMMENT, PreferenceConstants.UNKNOWN };
public static WodScanner newWODScanner() {
IColorManager colorManager = JavaPlugin.getDefault().getJavaTextTools().getColorManager();
IPreferenceStore preferenceStore = Activator.getDefault().getPreferenceStore();
WodScanner scanner = new WodScanner(colorManager, preferenceStore);
return scanner;
}
public WodScanner(IColorManager _manager, IPreferenceStore _store) {
super(_manager, _store);
initialize();
}
@Override
protected String[] getTokenProperties() {
return WodScanner.WOD_TOKENS;
}
@Override
protected List<IRule> createRules() {
List<IRule> rules = new ArrayList<IRule>();
rules.add(new MultilineCommentRule(getToken(PreferenceConstants.COMMENT)));
rules.add(new CommentRule(getToken(PreferenceConstants.COMMENT)));
rules.add(new WOOGNLRule("\"~", "\"", getToken(PreferenceConstants.OGNL_BINDING_VALUE), '\\', true, false));
rules.add(new WOOGNLRule("\"~", null, getToken(PreferenceConstants.OGNL_BINDING_VALUE), '\\', true, false));
rules.add(new WOOGNLRule("~", ";", getToken(PreferenceConstants.OGNL_BINDING_VALUE), '\\'));
rules.add(new SingleLineRule("~", null, getToken(PreferenceConstants.OGNL_BINDING_VALUE), '\\', true, false));
rules.add(new StringLiteralRule("\"", "\"", getToken(PreferenceConstants.CONSTANT_BINDING_VALUE), '\\'));
rules.add(new StringLiteralRule("'", "'", getToken(PreferenceConstants.CONSTANT_BINDING_VALUE), '\\'));
rules.add(new SingleLineRule("\"", null, getToken(PreferenceConstants.CONSTANT_BINDING_VALUE), '\\', true, false));
rules.add(new WhitespaceRule(new WodWhitespaceDetector()));
rules.add(new OperatorRule(new ElementTypeOperatorWordDetector(), getToken(PreferenceConstants.OPERATOR)));
rules.add(new OperatorRule(new OpenDefinitionWordDetector(), getToken(PreferenceConstants.OPERATOR)));
rules.add(new OperatorRule(new AssignmentOperatorWordDetector(), getToken(PreferenceConstants.OPERATOR)));
rules.add(new OperatorRule(new EndAssignmentWordDetector(), getToken(PreferenceConstants.OPERATOR)));
rules.add(new OperatorRule(new CloseDefinitionWordDetector(), getToken(PreferenceConstants.OPERATOR)));
rules.add(new ElementNameRule(getToken(PreferenceConstants.ELEMENT_NAME)));
rules.add(new ElementTypeRule(getToken(PreferenceConstants.ELEMENT_TYPE)));
rules.add(new BindingNameRule(getToken(PreferenceConstants.BINDING_NAME)));
rules.add(new BindingValueNamespaceRule(getToken(PreferenceConstants.BINDING_VALUE_NAMESPACE)));
rules.add(new BindingValueRule(getToken(PreferenceConstants.BINDING_VALUE)));
rules.add(new WordPredicateRule(new UnknownWordDetector(), getToken(PreferenceConstants.UNKNOWN)));
// setDefaultReturnToken(getToken("Default"));
return rules;
}
@Override
public Token getToken(String _key) {
return super.getToken(_key);
}
public RulePosition getRulePositionAtOffset(int offset) {
RulePosition matchingRulePosition = null;
RulePosition rulePosition = null;
while (matchingRulePosition == null && (rulePosition = nextRulePosition()) != null) {
if (rulePosition.getTokenOffset() <= offset && rulePosition.getTokenEndOffset() > offset) {
matchingRulePosition = rulePosition;
}
}
return matchingRulePosition;
}
public RulePosition getFirstRulePositionOfType(Class<? extends IRule> _ruleType) {
RulePosition rulePosition = null;
while ((rulePosition == null || !rulePosition.isRuleOfType(_ruleType)) && (rulePosition = nextRulePosition()) != null) {
// ignore
}
if (rulePosition == null || !rulePosition.isRuleOfType(_ruleType)) {
rulePosition = null;
}
return rulePosition;
}
public List<RulePosition> getRulePositionsOfType(Class<? extends IRule> _ruleType) {
List<RulePosition> rulePositions = new LinkedList<RulePosition>();
RulePosition rulePosition = null;
while ((rulePosition = nextRulePosition()) != null) {
if (rulePosition.isRuleOfType(_ruleType)) {
rulePositions.add(rulePosition);
}
}
return rulePositions;
}
public RulePosition firstRulePositionOfTypeWithText(Class<? extends IRule> _ruleType, String _text) throws BadLocationException {
RulePosition rulePosition = null;
while ((rulePosition = nextRulePosition()) != null) {
if (rulePosition.isRuleOfType(_ruleType) && _text.equals(rulePosition.getText())) {
return rulePosition;
}
}
return null;
}
public RulePosition nextRulePosition() {
fTokenOffset = fOffset;
fColumn = UNDEFINED;
IRule matchingRule = null;
if (fRules != null) {
for (int i = 0; matchingRule == null && i < fRules.length; i++) {
IToken token = fRules[i].evaluate(this);
if (!token.isUndefined()) {
matchingRule = fRules[i];
}
}
}
RulePosition rulePosition;
if (matchingRule != null) {
rulePosition = new RulePosition(fDocument, matchingRule, getTokenOffset(), getTokenLength());
} else {
// NTS: Not sure why I do this :)
if (read() == EOF) {
rulePosition = null;
} else {
rulePosition = new RulePosition(fDocument, null, getTokenOffset(), getTokenLength());
}
}
return rulePosition;
}
@Override
public IToken nextToken() {
IToken token = super.nextToken();
return token;
}
public static WodScanner wodScannerForDocument(IDocument _document) {
WodScanner scanner = WodScanner.newWODScanner();
scanner.setRange(_document, 0, _document.getLength());
return scanner;
}
public static List<RulePosition> getRulePositionsOfType(IDocument _document, Class<? extends IRule> _ruleType) {
List<RulePosition> rulePositions = WodScanner.wodScannerForDocument(_document).getRulePositionsOfType(_ruleType);
return rulePositions;
}
public static List<String> getTextForRulePositions(List<RulePosition> _rulePositions) throws BadLocationException {
List<String> text = new LinkedList<String>();
Iterator<RulePosition> rulePositionsIter = _rulePositions.iterator();
while (rulePositionsIter.hasNext()) {
RulePosition rulePosition = rulePositionsIter.next();
text.add(rulePosition.getText());
}
return text;
}
public static Set<String> getTextForRulesOfType(IDocument _document, Class<? extends IRule> _ruleType) throws BadLocationException {
List<RulePosition> rulePositions = WodScanner.getRulePositionsOfType(_document, _ruleType);
List<String> textList = WodScanner.getTextForRulePositions(rulePositions);
Set<String> textSet = new HashSet<String>(textList);
return textSet;
}
}