| /******************************************************************************* |
| * Copyright (c) 2004, 2006 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.css.core.internal.document; |
| |
| |
| |
| import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode; |
| import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; |
| |
| |
| /** |
| * currently public but may be made default access protected in future. |
| */ |
| public class CSSModelCreationContext { |
| |
| private CSSNodeImpl fRootNode = null; |
| private CSSNodeImpl fTargetNode = null; |
| private CSSNodeImpl fNextNode = null; |
| private int fReparseStart = -1; |
| private int fReparseEnd = -1; |
| |
| /** |
| * CSSModelContext constructor comment. |
| */ |
| CSSModelCreationContext(CSSNodeImpl rootNode) { |
| super(); |
| |
| fRootNode = rootNode; |
| } |
| |
| /** |
| * |
| */ |
| void clear() { |
| fNextNode = null; |
| fTargetNode = null; |
| resetReparseRange(); |
| } |
| |
| /** |
| * currently public but may be made default access protected in future. |
| */ |
| public CSSNodeImpl getNextNode() { |
| return fNextNode; |
| } |
| |
| /** |
| * |
| */ |
| int getReparseEnd() { |
| return fReparseEnd; |
| } |
| |
| /** |
| * |
| */ |
| int getReparseStart() { |
| return fReparseStart; |
| } |
| |
| /** |
| * |
| */ |
| CSSNodeImpl getRootNode() { |
| return fRootNode; |
| } |
| |
| /** |
| * currently public but may be made default access protected in future. |
| */ |
| public CSSNodeImpl getTargetNode() { |
| return fTargetNode; |
| } |
| |
| /** |
| * |
| */ |
| boolean isToReparse() { |
| return (0 <= getReparseStart() && 0 <= getReparseEnd()); |
| } |
| |
| /** |
| * |
| */ |
| void resetReparseRange() { |
| fReparseStart = fReparseEnd = -1; |
| } |
| |
| /** |
| * |
| */ |
| void setLast() { |
| fNextNode = null; |
| |
| if (!(fRootNode instanceof CSSStructuredDocumentRegionContainer)) { |
| fTargetNode = fRootNode; |
| } |
| else { |
| IStructuredDocumentRegion lastStructuredDocumentRegion = ((CSSStructuredDocumentRegionContainer) fRootNode).getLastStructuredDocumentRegion(); |
| CSSNodeImpl node = fRootNode; |
| while (node != null) { |
| ICSSNode lastChild = node.getLastChild(); |
| if (lastChild instanceof CSSStructuredDocumentRegionContainer && ((CSSStructuredDocumentRegionContainer) lastChild).getLastStructuredDocumentRegion() == lastStructuredDocumentRegion) { |
| node = (CSSNodeImpl) lastChild; |
| } |
| else { |
| break; |
| } |
| } |
| fTargetNode = node; |
| } |
| } |
| |
| /** |
| * |
| */ |
| void setNextNode(ICSSNode node) { |
| fNextNode = (CSSNodeImpl) node; |
| if (fNextNode != null) { |
| fTargetNode = (CSSNodeImpl) fNextNode.getParentNode(); |
| } |
| } |
| |
| /** |
| * |
| */ |
| void setReparseEnd(int end) { |
| fReparseEnd = end; |
| } |
| |
| /** |
| * |
| */ |
| void setReparseStart(int start) { |
| fReparseStart = start; |
| } |
| |
| /** |
| * |
| */ |
| void setTargetNode(ICSSNode node) { |
| fTargetNode = (CSSNodeImpl) node; |
| if (fNextNode != null && fNextNode.getParentNode() != fTargetNode) { |
| fNextNode = null; |
| } |
| } |
| } |