bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/formatter/StyleDeclarationFormatter.java - sourceediting/webtools.sourceediting - Git at Google

 /*******************************************************************************
  * Copyright (c) 2004, 2008 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.formatter;

 import org.eclipse.core.runtime.Preferences;
 import org.eclipse.jface.text.IRegion;
 import org.eclipse.wst.css.core.internal.CSSCorePlugin;
 import org.eclipse.wst.css.core.internal.cleanup.CSSCleanupStrategy;
 import org.eclipse.wst.css.core.internal.parserz.CSSRegionContexts;
 import org.eclipse.wst.css.core.internal.preferences.CSSCorePreferenceNames;
 import org.eclipse.wst.css.core.internal.provisional.document.ICSSModel;
 import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode;
 import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion;
 import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument;
 import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
 import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion;

 /**
  *
  */
 public class StyleDeclarationFormatter extends DefaultCSSSourceFormatter {

 	private static StyleDeclarationFormatter instance;

 	/**
 	 *
 	 */
 	StyleDeclarationFormatter() {
 		super();
 	}

 	/**
 	 *
 	 */
 	protected void formatBefore(ICSSNode node, ICSSNode child, String toAppend, StringBuffer source, IRegion exceptFor) {
 		CSSCleanupStrategy stgy = getCleanupStrategy(node);

 		ICSSNode prev = (child != null) ? child.getPreviousSibling() : node.getLastChild();
 		int start = (prev != null) ? ((IndexedRegion) prev).getEndOffset() : 0;
 		int end = (child != null) ? ((IndexedRegion) child).getStartOffset() : 0;

 		// check no child
 		if (child == null && prev == null)
 			return;

 		if (start > 0 && start < end) { // format source
 			ICSSModel cssModel = node.getOwnerDocument().getModel();
 			// BUG202615 - it is possible to have a style declaration with no
 			// model associated with it
 			if (cssModel != null) {
 				IStructuredDocument structuredDocument = cssModel.getStructuredDocument();
 				if (structuredDocument != null) {
 					// get meaning regions
 					CompoundRegion[] regions = null;
 					if (exceptFor == null)
 						regions = getRegionsWithoutWhiteSpaces(structuredDocument, new FormatRegion(start, end - start), stgy);
 					else {
 						String pickupType = CSSRegionContexts.CSS_DECLARATION_DELIMITER;
 						if (prev == null || child == null)
 							pickupType = null;
 						regions = getRegions(structuredDocument, new FormatRegion(start, end - start), exceptFor, pickupType);
 					}
 					// extract source
 					for (int i = 0; i < regions.length; i++) {
 						appendSpaceBefore(node, regions[i], source);
 						source.append(decoratedRegion(regions[i], 0, stgy)); // must
 						// be comments
 					}
 				}
 			}
 		} else if (prev != null && child != null) { // generate source :
 			// between two declarations
 			// BUG93037-properties view adds extra ; when add new property
 			boolean semicolonFound = false;

 			ICSSModel cssModel = node.getOwnerDocument().getModel();
 			// BUG202615 - it is possible to have a style declaration with no
 			// model associated with it
 			if (cssModel != null) {
 				IStructuredDocument structuredDocument = cssModel.getStructuredDocument();
 				if (structuredDocument != null) {
 					int prevStart = (prev != null) ? ((IndexedRegion) prev).getStartOffset() : 0;
 					int prevEnd = (prev != null) ? ((IndexedRegion) prev).getEndOffset() : 0;
 					CompoundRegion[] regions = getRegionsWithoutWhiteSpaces(structuredDocument, new FormatRegion(prevStart, prevEnd - prevStart), stgy);
 					int i = regions.length - 1;
 					while (i >= 0 && !semicolonFound) {
 						if (regions[i].getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER)
 							semicolonFound = true;
 						--i;
 					}
 				}
 			}
 			if (!semicolonFound)
 				source.append(";");//$NON-NLS-1$
 		} else if (prev == null) { // generate source : before the first
 			// declaration
 			org.eclipse.wst.css.core.internal.util.RegionIterator it = null;
 			if (end > 0) {
 				ICSSModel cssModel = node.getOwnerDocument().getModel();
 				// BUG202615 - it is possible to have a style declaration with
 				// no model associated with it
 				if (cssModel != null) {
 					IStructuredDocument structuredDocument = cssModel.getStructuredDocument();
 					if (structuredDocument != null) {
 						it = new org.eclipse.wst.css.core.internal.util.RegionIterator(structuredDocument, end - 1);
 					}
 				}
 			} else {
 				int pos = getChildInsertPos(node);
 				if (pos >= 0) {
 					ICSSModel cssModel = node.getOwnerDocument().getModel();
 					// BUG202615 - it is possible to have a style declaration
 					// with no model associated with it
 					if (cssModel != null) {
 						IStructuredDocument structuredDocument = cssModel.getStructuredDocument();
 						if (structuredDocument != null) {
 							it = new org.eclipse.wst.css.core.internal.util.RegionIterator(structuredDocument, pos - 1);
 						}
 					}
 				}
 			}
 			if (it != null) {
 				int limit = ((IndexedRegion) ((node.getParentNode() != null) ? node.getParentNode() : node)).getStartOffset();
 				while (it.hasPrev()) {
 					ITextRegion curReg = it.prev();
 					if (curReg.getType() == CSSRegionContexts.CSS_LBRACE || curReg.getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER)
 						break;
 					if (curReg.getType() != CSSRegionContexts.CSS_S && curReg.getType() != CSSRegionContexts.CSS_COMMENT) {
 						source.append(";");//$NON-NLS-1$
 						break;
 					}
 					if (it.getStructuredDocumentRegion().getStartOffset(curReg) <= limit)
 						break;
 				}
 			}
 		} else if (child == null) { // generate source : after the last
 			// declaration
 			org.eclipse.wst.css.core.internal.util.RegionIterator it = null;
 			if (start > 0) {
 				ICSSModel cssModel = node.getOwnerDocument().getModel();
 				// BUG202615 - it is possible to have a style declaration with
 				// no model associated with it
 				if (cssModel != null) {
 					IStructuredDocument structuredDocument = cssModel.getStructuredDocument();
 					if (structuredDocument != null) {
 						it = new org.eclipse.wst.css.core.internal.util.RegionIterator(structuredDocument, start);
 					}
 				}
 			} else {
 				int pos = getChildInsertPos(node);
 				if (pos >= 0) {
 					ICSSModel cssModel = node.getOwnerDocument().getModel();
 					// BUG202615 - it is possible to have a style declaration
 					// with no model associated with it
 					if (cssModel != null) {
 						IStructuredDocument structuredDocument = cssModel.getStructuredDocument();
 						if (structuredDocument != null) {
 							it = new org.eclipse.wst.css.core.internal.util.RegionIterator(structuredDocument, pos);
 						}
 					}
 				}
 			}
 			if (it != null) {
 				int limit = ((IndexedRegion) ((node.getParentNode() != null) ? node.getParentNode() : node)).getEndOffset();
 				while (it.hasNext()) {
 					ITextRegion curReg = it.next();
 					if (curReg.getType() == CSSRegionContexts.CSS_RBRACE || curReg.getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER)
 						break;
 					if (curReg.getType() != CSSRegionContexts.CSS_S && curReg.getType() != CSSRegionContexts.CSS_COMMENT) {
 						// Bug 219004 - Before appending a ;, make sure that there
 						// isn't one already
 						boolean semicolonFound = false;
 						while(it.hasNext() && !semicolonFound) {
 							if(it.next().getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER)
 								semicolonFound = true;
 						}

 						if(!semicolonFound)
 							source.append(";");//$NON-NLS-1$
 						break;
 					}
 					if (limit <= it.getStructuredDocumentRegion().getEndOffset(curReg))
 						break;
 				}
 			}
 		}
 		if (child == null) {
 			if (((IndexedRegion) node).getEndOffset() <= 0) {
 				// get next region
 				int pos = getChildInsertPos(node);
 				CompoundRegion toAppendRegion = null;
 				if (pos >= 0) {
 					ICSSModel cssModel = node.getOwnerDocument().getModel();
 					// BUG202615 - it is possible to have a style declaration
 					// with no model associated with it
 					if (cssModel != null) {
 						IStructuredDocument structuredDocument = cssModel.getStructuredDocument();
 						if (structuredDocument != null) {
 							IStructuredDocumentRegion flatNode = structuredDocument.getRegionAtCharacterOffset(pos);
 							toAppendRegion = new CompoundRegion(flatNode, flatNode.getRegionAtCharacterOffset(pos));
 						}
 					}
 				}
 				appendDelimBefore(node.getParentNode(), toAppendRegion, source);
 			}
 		} else if ((prev != null || ((IndexedRegion) node).getEndOffset() <= 0)) {
 			Preferences preferences = CSSCorePlugin.getDefault().getPluginPreferences();

 			if (preferences.getBoolean(CSSCorePreferenceNames.WRAPPING_ONE_PER_LINE) && (node.getOwnerDocument() != node || !preferences.getBoolean(CSSCorePreferenceNames.WRAPPING_PROHIBIT_WRAP_ON_ATTR)))
 				appendDelimBefore(node, null, source);
 			else if (prev != null || node.getOwnerDocument() != node)
 				appendSpaceBefore(node, toAppend, source);
 		}
 	}

 	/**
 	 *
 	 */
 	protected void formatBefore(ICSSNode node, ICSSNode child, IRegion region, String toAppend, StringBuffer source) {
 		CSSCleanupStrategy stgy = getCleanupStrategy(node);

 		ICSSModel cssModel = node.getOwnerDocument().getModel();
 		// BUG202615 - it is possible to have a style declaration
 		// with no model associated with it
 		if (cssModel != null) {
 			IStructuredDocument structuredDocument = cssModel.getStructuredDocument();
 			if (structuredDocument != null) {
 				CompoundRegion[] regions = getRegionsWithoutWhiteSpaces(structuredDocument, region, stgy);
 				CompoundRegion[] outside = getOutsideRegions(structuredDocument, region);

 				for (int i = 0; i < regions.length; i++) {
 					if (i != 0 || needS(outside[0]))
 						appendSpaceBefore(node, regions[i], source);
 					source.append(decoratedRegion(regions[i], 0, stgy)); // must
 																			// be
 																			// comments
 				}
 				Preferences preferences = CSSCorePlugin.getDefault().getPluginPreferences();
 				if (needS(outside[1])) {
 					if (((IndexedRegion) child).getStartOffset() == region.getOffset() + region.getLength() && preferences.getBoolean(CSSCorePreferenceNames.WRAPPING_ONE_PER_LINE) && (node.getOwnerDocument() != node || !preferences.getBoolean(CSSCorePreferenceNames.WRAPPING_PROHIBIT_WRAP_ON_ATTR))) {
 						appendDelimBefore(node, null, source);
 					} else
 						appendSpaceBefore(node, toAppend, source);
 				}
 			}
 		}
 	}

 	/**
 	 * Insert the method's description here.
 	 */
 	public int getChildInsertPos(ICSSNode node) {
 		if (node == null)
 			return -1;
 		int pos = super.getChildInsertPos(node);
 		if (pos < 0) {
 			CSSSourceGenerator formatter = getParentFormatter(node);
 			return (formatter != null) ? formatter.getChildInsertPos(node.getParentNode()) : -1;
 		}
 		return pos;
 	}

 	/**
 	 *
 	 */
 	public synchronized static StyleDeclarationFormatter getInstance() {
 		if (instance == null)
 			instance = new StyleDeclarationFormatter();
 		return instance;
 	}

 	/**
 	 *
 	 * @return int
 	 * @param node
 	 *            org.eclipse.wst.css.core.model.interfaces.ICSSNode
 	 * @param insertPos
 	 *            int
 	 */
 	public int getLengthToReformatAfter(ICSSNode node, int insertPos) {
 		if (node == null)
 			return 0;
 		IndexedRegion nnode = (IndexedRegion) node;
 		if (insertPos < 0 || !nnode.contains(insertPos)) {
 			if (node.getParentNode() != null && nnode.getEndOffset() <= 0) {
 				CSSSourceGenerator pntFormatter = getParentFormatter(node);
 				if (pntFormatter != null)
 					return pntFormatter.getLengthToReformatAfter(node.getParentNode(), insertPos);
 			}
 			return 0;
 		}
 		return super.getLengthToReformatAfter(node, insertPos);
 	}

 	/**
 	 *
 	 * @return int
 	 * @param node
 	 *            org.eclipse.wst.css.core.model.interfaces.ICSSNode
 	 * @param insertPos
 	 *            int
 	 */
 	public int getLengthToReformatBefore(ICSSNode node, int insertPos) {
 		if (node == null)
 			return 0;
 		IndexedRegion nnode = (IndexedRegion) node;
 		if (insertPos <= 0 || !nnode.contains(insertPos - 1)) {
 			if (node.getParentNode() != null && nnode.getEndOffset() <= 0) {
 				CSSSourceGenerator pntFormatter = getParentFormatter(node);
 				if (pntFormatter != null)
 					return pntFormatter.getLengthToReformatBefore(node.getParentNode(), insertPos);
 			}
 			return 0;
 		}
 		return super.getLengthToReformatBefore(node, insertPos);
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2004, 2008 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.formatter;

	import org.eclipse.core.runtime.Preferences;
	import org.eclipse.jface.text.IRegion;
	import org.eclipse.wst.css.core.internal.CSSCorePlugin;
	import org.eclipse.wst.css.core.internal.cleanup.CSSCleanupStrategy;
	import org.eclipse.wst.css.core.internal.parserz.CSSRegionContexts;
	import org.eclipse.wst.css.core.internal.preferences.CSSCorePreferenceNames;
	import org.eclipse.wst.css.core.internal.provisional.document.ICSSModel;
	import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode;
	import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion;
	import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument;
	import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
	import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion;

	/**
	*
	*/
	public class StyleDeclarationFormatter extends DefaultCSSSourceFormatter {

	private static StyleDeclarationFormatter instance;

	/**
	*
	*/
	StyleDeclarationFormatter() {
	super();
	}

	/**
	*
	*/
	protected void formatBefore(ICSSNode node, ICSSNode child, String toAppend, StringBuffer source, IRegion exceptFor) {
	CSSCleanupStrategy stgy = getCleanupStrategy(node);

	ICSSNode prev = (child != null) ? child.getPreviousSibling() : node.getLastChild();
	int start = (prev != null) ? ((IndexedRegion) prev).getEndOffset() : 0;
	int end = (child != null) ? ((IndexedRegion) child).getStartOffset() : 0;

	// check no child
	if (child == null && prev == null)
	return;

	if (start > 0 && start < end) { // format source
	ICSSModel cssModel = node.getOwnerDocument().getModel();
	// BUG202615 - it is possible to have a style declaration with no
	// model associated with it
	if (cssModel != null) {
	IStructuredDocument structuredDocument = cssModel.getStructuredDocument();
	if (structuredDocument != null) {
	// get meaning regions
	CompoundRegion[] regions = null;
	if (exceptFor == null)
	regions = getRegionsWithoutWhiteSpaces(structuredDocument, new FormatRegion(start, end - start), stgy);
	else {
	String pickupType = CSSRegionContexts.CSS_DECLARATION_DELIMITER;
	if (prev == null \|\| child == null)
	pickupType = null;
	regions = getRegions(structuredDocument, new FormatRegion(start, end - start), exceptFor, pickupType);
	}
	// extract source
	for (int i = 0; i < regions.length; i++) {
	appendSpaceBefore(node, regions[i], source);
	source.append(decoratedRegion(regions[i], 0, stgy)); // must
	// be comments
	}
	}
	}
	} else if (prev != null && child != null) { // generate source :
	// between two declarations
	// BUG93037-properties view adds extra ; when add new property
	boolean semicolonFound = false;

	ICSSModel cssModel = node.getOwnerDocument().getModel();
	// BUG202615 - it is possible to have a style declaration with no
	// model associated with it
	if (cssModel != null) {
	IStructuredDocument structuredDocument = cssModel.getStructuredDocument();
	if (structuredDocument != null) {
	int prevStart = (prev != null) ? ((IndexedRegion) prev).getStartOffset() : 0;
	int prevEnd = (prev != null) ? ((IndexedRegion) prev).getEndOffset() : 0;
	CompoundRegion[] regions = getRegionsWithoutWhiteSpaces(structuredDocument, new FormatRegion(prevStart, prevEnd - prevStart), stgy);
	int i = regions.length - 1;
	while (i >= 0 && !semicolonFound) {
	if (regions[i].getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER)
	semicolonFound = true;
	--i;
	}
	}
	}
	if (!semicolonFound)
	source.append(";");//$NON-NLS-1$
	} else if (prev == null) { // generate source : before the first
	// declaration
	org.eclipse.wst.css.core.internal.util.RegionIterator it = null;
	if (end > 0) {
	ICSSModel cssModel = node.getOwnerDocument().getModel();
	// BUG202615 - it is possible to have a style declaration with
	// no model associated with it
	if (cssModel != null) {
	IStructuredDocument structuredDocument = cssModel.getStructuredDocument();
	if (structuredDocument != null) {
	it = new org.eclipse.wst.css.core.internal.util.RegionIterator(structuredDocument, end - 1);
	}
	}
	} else {
	int pos = getChildInsertPos(node);
	if (pos >= 0) {
	ICSSModel cssModel = node.getOwnerDocument().getModel();
	// BUG202615 - it is possible to have a style declaration
	// with no model associated with it
	if (cssModel != null) {
	IStructuredDocument structuredDocument = cssModel.getStructuredDocument();
	if (structuredDocument != null) {
	it = new org.eclipse.wst.css.core.internal.util.RegionIterator(structuredDocument, pos - 1);
	}
	}
	}
	}
	if (it != null) {
	int limit = ((IndexedRegion) ((node.getParentNode() != null) ? node.getParentNode() : node)).getStartOffset();
	while (it.hasPrev()) {
	ITextRegion curReg = it.prev();
	if (curReg.getType() == CSSRegionContexts.CSS_LBRACE \|\| curReg.getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER)
	break;
	if (curReg.getType() != CSSRegionContexts.CSS_S && curReg.getType() != CSSRegionContexts.CSS_COMMENT) {
	source.append(";");//$NON-NLS-1$
	break;
	}
	if (it.getStructuredDocumentRegion().getStartOffset(curReg) <= limit)
	break;
	}
	}
	} else if (child == null) { // generate source : after the last
	// declaration
	org.eclipse.wst.css.core.internal.util.RegionIterator it = null;
	if (start > 0) {
	ICSSModel cssModel = node.getOwnerDocument().getModel();
	// BUG202615 - it is possible to have a style declaration with
	// no model associated with it
	if (cssModel != null) {
	IStructuredDocument structuredDocument = cssModel.getStructuredDocument();
	if (structuredDocument != null) {
	it = new org.eclipse.wst.css.core.internal.util.RegionIterator(structuredDocument, start);
	}
	}
	} else {
	int pos = getChildInsertPos(node);
	if (pos >= 0) {
	ICSSModel cssModel = node.getOwnerDocument().getModel();
	// BUG202615 - it is possible to have a style declaration
	// with no model associated with it
	if (cssModel != null) {
	IStructuredDocument structuredDocument = cssModel.getStructuredDocument();
	if (structuredDocument != null) {
	it = new org.eclipse.wst.css.core.internal.util.RegionIterator(structuredDocument, pos);
	}
	}
	}
	}
	if (it != null) {
	int limit = ((IndexedRegion) ((node.getParentNode() != null) ? node.getParentNode() : node)).getEndOffset();
	while (it.hasNext()) {
	ITextRegion curReg = it.next();
	if (curReg.getType() == CSSRegionContexts.CSS_RBRACE \|\| curReg.getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER)
	break;
	if (curReg.getType() != CSSRegionContexts.CSS_S && curReg.getType() != CSSRegionContexts.CSS_COMMENT) {
	// Bug 219004 - Before appending a ;, make sure that there
	// isn't one already
	boolean semicolonFound = false;
	while(it.hasNext() && !semicolonFound) {
	if(it.next().getType() == CSSRegionContexts.CSS_DECLARATION_DELIMITER)
	semicolonFound = true;
	}

	if(!semicolonFound)
	source.append(";");//$NON-NLS-1$
	break;
	}
	if (limit <= it.getStructuredDocumentRegion().getEndOffset(curReg))
	break;
	}
	}
	}
	if (child == null) {
	if (((IndexedRegion) node).getEndOffset() <= 0) {
	// get next region
	int pos = getChildInsertPos(node);
	CompoundRegion toAppendRegion = null;
	if (pos >= 0) {
	ICSSModel cssModel = node.getOwnerDocument().getModel();
	// BUG202615 - it is possible to have a style declaration
	// with no model associated with it
	if (cssModel != null) {
	IStructuredDocument structuredDocument = cssModel.getStructuredDocument();
	if (structuredDocument != null) {
	IStructuredDocumentRegion flatNode = structuredDocument.getRegionAtCharacterOffset(pos);
	toAppendRegion = new CompoundRegion(flatNode, flatNode.getRegionAtCharacterOffset(pos));
	}
	}
	}
	appendDelimBefore(node.getParentNode(), toAppendRegion, source);
	}
	} else if ((prev != null \|\| ((IndexedRegion) node).getEndOffset() <= 0)) {
	Preferences preferences = CSSCorePlugin.getDefault().getPluginPreferences();

	if (preferences.getBoolean(CSSCorePreferenceNames.WRAPPING_ONE_PER_LINE) && (node.getOwnerDocument() != node \|\| !preferences.getBoolean(CSSCorePreferenceNames.WRAPPING_PROHIBIT_WRAP_ON_ATTR)))
	appendDelimBefore(node, null, source);
	else if (prev != null \|\| node.getOwnerDocument() != node)
	appendSpaceBefore(node, toAppend, source);
	}
	}

	/**
	*
	*/
	protected void formatBefore(ICSSNode node, ICSSNode child, IRegion region, String toAppend, StringBuffer source) {
	CSSCleanupStrategy stgy = getCleanupStrategy(node);

	ICSSModel cssModel = node.getOwnerDocument().getModel();
	// BUG202615 - it is possible to have a style declaration
	// with no model associated with it
	if (cssModel != null) {
	IStructuredDocument structuredDocument = cssModel.getStructuredDocument();
	if (structuredDocument != null) {
	CompoundRegion[] regions = getRegionsWithoutWhiteSpaces(structuredDocument, region, stgy);
	CompoundRegion[] outside = getOutsideRegions(structuredDocument, region);

	for (int i = 0; i < regions.length; i++) {
	if (i != 0 \|\| needS(outside[0]))
	appendSpaceBefore(node, regions[i], source);
	source.append(decoratedRegion(regions[i], 0, stgy)); // must
	// be
	// comments
	}
	Preferences preferences = CSSCorePlugin.getDefault().getPluginPreferences();
	if (needS(outside[1])) {
	if (((IndexedRegion) child).getStartOffset() == region.getOffset() + region.getLength() && preferences.getBoolean(CSSCorePreferenceNames.WRAPPING_ONE_PER_LINE) && (node.getOwnerDocument() != node \|\| !preferences.getBoolean(CSSCorePreferenceNames.WRAPPING_PROHIBIT_WRAP_ON_ATTR))) {
	appendDelimBefore(node, null, source);
	} else
	appendSpaceBefore(node, toAppend, source);
	}
	}
	}
	}

	/**
	* Insert the method's description here.
	*/
	public int getChildInsertPos(ICSSNode node) {
	if (node == null)
	return -1;
	int pos = super.getChildInsertPos(node);
	if (pos < 0) {
	CSSSourceGenerator formatter = getParentFormatter(node);
	return (formatter != null) ? formatter.getChildInsertPos(node.getParentNode()) : -1;
	}
	return pos;
	}

	/**
	*
	*/
	public synchronized static StyleDeclarationFormatter getInstance() {
	if (instance == null)
	instance = new StyleDeclarationFormatter();
	return instance;
	}

	/**
	*
	* @return int
	* @param node
	* org.eclipse.wst.css.core.model.interfaces.ICSSNode
	* @param insertPos
	* int
	*/
	public int getLengthToReformatAfter(ICSSNode node, int insertPos) {
	if (node == null)
	return 0;
	IndexedRegion nnode = (IndexedRegion) node;
	if (insertPos < 0 \|\| !nnode.contains(insertPos)) {
	if (node.getParentNode() != null && nnode.getEndOffset() <= 0) {
	CSSSourceGenerator pntFormatter = getParentFormatter(node);
	if (pntFormatter != null)
	return pntFormatter.getLengthToReformatAfter(node.getParentNode(), insertPos);
	}
	return 0;
	}
	return super.getLengthToReformatAfter(node, insertPos);
	}

	/**
	*
	* @return int
	* @param node
	* org.eclipse.wst.css.core.model.interfaces.ICSSNode
	* @param insertPos
	* int
	*/
	public int getLengthToReformatBefore(ICSSNode node, int insertPos) {
	if (node == null)
	return 0;
	IndexedRegion nnode = (IndexedRegion) node;
	if (insertPos <= 0 \|\| !nnode.contains(insertPos - 1)) {
	if (node.getParentNode() != null && nnode.getEndOffset() <= 0) {
	CSSSourceGenerator pntFormatter = getParentFormatter(node);
	if (pntFormatter != null)
	return pntFormatter.getLengthToReformatBefore(node.getParentNode(), insertPos);
	}
	return 0;
	}
	return super.getLengthToReformatBefore(node, insertPos);
	}
	}