diff options
Diffstat (limited to 'plugins/infra/gmfdiag/css/org.eclipse.papyrus.infra.gmfdiag.css3.xtext.ui/src/org/eclipse/papyrus/infra/gmfdiag/css3/ui/highlighting/CSSHighlightingCalculator.java')
| -rw-r--r-- | plugins/infra/gmfdiag/css/org.eclipse.papyrus.infra.gmfdiag.css3.xtext.ui/src/org/eclipse/papyrus/infra/gmfdiag/css3/ui/highlighting/CSSHighlightingCalculator.java | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/plugins/infra/gmfdiag/css/org.eclipse.papyrus.infra.gmfdiag.css3.xtext.ui/src/org/eclipse/papyrus/infra/gmfdiag/css3/ui/highlighting/CSSHighlightingCalculator.java b/plugins/infra/gmfdiag/css/org.eclipse.papyrus.infra.gmfdiag.css3.xtext.ui/src/org/eclipse/papyrus/infra/gmfdiag/css3/ui/highlighting/CSSHighlightingCalculator.java new file mode 100644 index 00000000000..0b764316acc --- /dev/null +++ b/plugins/infra/gmfdiag/css/org.eclipse.papyrus.infra.gmfdiag.css3.xtext.ui/src/org/eclipse/papyrus/infra/gmfdiag/css3/ui/highlighting/CSSHighlightingCalculator.java @@ -0,0 +1,103 @@ +/******************************************************************************* + * Copyright (c) 2011 BestSolution.at 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: + * Christoph Caks <ccaks@bestsolution.at> - initial API and implementation + *******************************************************************************/ +package org.eclipse.papyrus.infra.gmfdiag.css3.ui.highlighting; + +import org.eclipse.emf.common.util.TreeIterator; +import org.eclipse.emf.ecore.EObject; +import org.eclipse.emf.ecore.util.EcoreUtil; +import org.eclipse.papyrus.infra.gmfdiag.css3.cSS.CssTok; +import org.eclipse.papyrus.infra.gmfdiag.css3.cSS.ElementSelector; +import org.eclipse.papyrus.infra.gmfdiag.css3.cSS.FuncTok; +import org.eclipse.papyrus.infra.gmfdiag.css3.cSS.IdentifierTok; +import org.eclipse.papyrus.infra.gmfdiag.css3.cSS.StringTok; +import org.eclipse.papyrus.infra.gmfdiag.css3.cSS.SymbolTok; +import org.eclipse.papyrus.infra.gmfdiag.css3.cSS.URLType; +import org.eclipse.papyrus.infra.gmfdiag.css3.cSS.css_declaration; +import org.eclipse.papyrus.infra.gmfdiag.css3.cSS.simple_selector; +import org.eclipse.xtext.nodemodel.ICompositeNode; +import org.eclipse.xtext.nodemodel.util.NodeModelUtils; +import org.eclipse.xtext.resource.XtextResource; +import org.eclipse.xtext.ui.editor.syntaxcoloring.DefaultHighlightingConfiguration; +import org.eclipse.xtext.ui.editor.syntaxcoloring.IHighlightedPositionAcceptor; +import org.eclipse.xtext.ui.editor.syntaxcoloring.ISemanticHighlightingCalculator; + +public class CSSHighlightingCalculator implements ISemanticHighlightingCalculator { + + @Override + public void provideHighlightingFor(XtextResource resource, IHighlightedPositionAcceptor acceptor) { + if (resource == null) { + return; + } + TreeIterator<Object> it = EcoreUtil.getAllContents(resource, true); + while (it.hasNext()) { + Object o = it.next(); + if (o instanceof ElementSelector) { + final ICompositeNode n = NodeModelUtils.getNode((EObject) o); + if (n != null) { + acceptor.addPosition(n.getOffset(), n.getLength(), CSSHighlightingConfiguration.ELEMENT); + } + } else if (o instanceof IdentifierTok) { + final ICompositeNode n = NodeModelUtils.getNode((EObject) o); + if (n != null) { + acceptor.addPosition(n.getOffset(), n.getLength(), DefaultHighlightingConfiguration.DEFAULT_ID); + } + } else if (o instanceof css_declaration) { + css_declaration dec = (css_declaration) o; + if (dec.getProperty() != null && dec.getProperty().getName() != null && dec.getProperty().getName().trim().length() > 0) { + ICompositeNode n = NodeModelUtils.getNode(dec); + if (n != null) { + if (n.hasChildren()) { + acceptor.addPosition(n.getFirstChild().getOffset(), n.getFirstChild().getLength(), CSSHighlightingConfiguration.DECLARATIONNAME); + } + } + } + } else if (o instanceof simple_selector) { + final ICompositeNode n = NodeModelUtils.getNode((EObject) o); + if (n != null) { + acceptor.addPosition(n.getOffset(), n.getLength(), CSSHighlightingConfiguration.SELECTOR); + } + } else if (o instanceof URLType) { + final URLType url = (URLType) o; + final ICompositeNode n = NodeModelUtils.getNode(url); + if (n != null) { + acceptor.addPosition(n.getOffset(), 4, CSSHighlightingConfiguration.FUNCTION); + acceptor.addPosition(n.getOffset() + 4, n.getLength() - 5, CSSHighlightingConfiguration.URL); + acceptor.addPosition(n.getOffset() + n.getLength() - 1, 1, CSSHighlightingConfiguration.FUNCTION); + } + } else if (o instanceof FuncTok) { + final FuncTok funcTok = (FuncTok) o; + final ICompositeNode n = NodeModelUtils.getNode(funcTok); + int nameLength = funcTok.getName().getName().length(); + if (n != null) { + acceptor.addPosition(n.getOffset(), nameLength + 1, CSSHighlightingConfiguration.FUNCTION); + } + for (CssTok tok : ((FuncTok) o).getParams()) { + if (tok instanceof SymbolTok) { + if (",".equals(((SymbolTok) tok).getSymbol())) { //$NON-NLS-1$ + ICompositeNode colonNode = NodeModelUtils.getNode(tok); + if (colonNode != null) { + acceptor.addPosition(colonNode.getOffset(), colonNode.getLength(), CSSHighlightingConfiguration.FUNCTION); + } + } + } + } + if (n != null) { + acceptor.addPosition(n.getOffset() + n.getLength() - 1, 1, CSSHighlightingConfiguration.FUNCTION); + } + } else if (o instanceof StringTok) { + final ICompositeNode n = NodeModelUtils.getNode((EObject) o); + if (n != null) { + acceptor.addPosition(n.getOffset(), n.getLength(), DefaultHighlightingConfiguration.STRING_ID); + } + } + } + } +} |