| /******************************************************************************* |
| * Copyright (c) 2004 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.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.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; |
| |
| |
| /** |
| * |
| */ |
| abstract public class FunctionFormatter extends AbstractCSSSourceFormatter { |
| |
| /** |
| * |
| */ |
| FunctionFormatter() { |
| super(); |
| } |
| |
| /** |
| * |
| */ |
| protected void formatBefore(ICSSNode node, ICSSNode child, String toAppend, StringBuffer source, IRegion exceptFor) { |
| ICSSNode prev = (child != null) ? child.getPreviousSibling() : node.getLastChild(); |
| int start = (prev != null) ? ((IndexedRegion) prev).getEndOffset() : 0; |
| int end = (child != null) ? ((IndexedRegion) child).getStartOffset() : 0; |
| if (start > 0 && start < end) { // format source |
| CSSCleanupStrategy stgy = getCleanupStrategy(node); |
| |
| IStructuredDocument structuredDocument = node.getOwnerDocument().getModel().getStructuredDocument(); |
| // get meaning regions |
| CompoundRegion[] regions = null; |
| if (exceptFor == null) |
| regions = getRegionsWithoutWhiteSpaces(structuredDocument, new FormatRegion(start, end - start), stgy); |
| else { |
| String pickupType = CSSRegionContexts.CSS_DECLARATION_VALUE_OPERATOR; |
| 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], 2, stgy)); |
| } |
| } else if (prev != null && child != null) { // generate source between |
| // parameters |
| source.append(",");//$NON-NLS-1$ |
| } |
| appendSpaceBefore(node, toAppend, source); |
| } |
| |
| /** |
| * |
| */ |
| protected void formatBefore(ICSSNode node, ICSSNode child, IRegion region, String toAppend, StringBuffer source) { |
| CSSCleanupStrategy stgy = getCleanupStrategy(node); |
| |
| IStructuredDocument structuredDocument = node.getOwnerDocument().getModel().getStructuredDocument(); |
| 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], 2, stgy)); |
| } |
| } |
| |
| /** |
| * |
| */ |
| protected void formatPost(org.eclipse.wst.css.core.internal.provisional.document.ICSSNode node, java.lang.StringBuffer source) { |
| CSSCleanupStrategy stgy = getCleanupStrategy(node); |
| |
| int end = ((IndexedRegion) node).getEndOffset(); |
| int start = (node.getLastChild() != null && ((IndexedRegion) node.getLastChild()).getEndOffset() > 0) ? ((IndexedRegion) node.getLastChild()).getEndOffset() : getChildInsertPos(node); |
| if (end > 0 && start < end) { // format source |
| IStructuredDocument structuredDocument = node.getOwnerDocument().getModel().getStructuredDocument(); |
| CompoundRegion[] regions = getRegionsWithoutWhiteSpaces(structuredDocument, new FormatRegion(start, end - start), stgy); |
| for (int i = 0; i < regions.length; i++) { |
| appendSpaceBefore(node, regions[i], source); |
| source.append(decoratedRegion(regions[i], 2, stgy)); |
| } |
| } else { // generate source |
| source.append(")");//$NON-NLS-1$ |
| } |
| } |
| |
| /** |
| * |
| */ |
| protected void formatPost(ICSSNode node, IRegion region, StringBuffer source) { |
| CSSCleanupStrategy stgy = getCleanupStrategy(node); |
| |
| IStructuredDocument structuredDocument = node.getOwnerDocument().getModel().getStructuredDocument(); |
| 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], 2, stgy)); |
| } |
| } |
| |
| /** |
| * |
| */ |
| protected void formatPre(ICSSNode node, StringBuffer source) { |
| int start = ((IndexedRegion) node).getStartOffset(); |
| int end = (node.getFirstChild() != null && ((IndexedRegion) node.getFirstChild()).getEndOffset() > 0) ? ((IndexedRegion) node.getFirstChild()).getStartOffset() : getChildInsertPos(node); |
| |
| if (end > 0) { // format source |
| CSSCleanupStrategy stgy = getCleanupStrategy(node); |
| |
| IStructuredDocument structuredDocument = node.getOwnerDocument().getModel().getStructuredDocument(); |
| CompoundRegion[] regions = getRegionsWithoutWhiteSpaces(structuredDocument, new FormatRegion(start, end - start), stgy); |
| for (int i = 0; i < regions.length; i++) { |
| if (i != 0) |
| appendSpaceBefore(node, regions[i], source); |
| source.append(decoratedPropValueRegion(regions[i], stgy)); |
| } |
| } else { // generate source |
| String func = getFunc(); |
| if (CSSCorePlugin.getDefault().getPluginPreferences().getInt(CSSCorePreferenceNames.CASE_PROPERTY_VALUE) == CSSCorePreferenceNames.UPPER) |
| func = func.toUpperCase(); |
| source.append(func); |
| } |
| } |
| |
| /** |
| * |
| */ |
| protected void formatPre(ICSSNode node, IRegion region, StringBuffer source) { |
| CSSCleanupStrategy stgy = getCleanupStrategy(node); |
| |
| IStructuredDocument structuredDocument = node.getOwnerDocument().getModel().getStructuredDocument(); |
| 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(decoratedPropValueRegion(regions[i], stgy)); |
| } |
| if (needS(outside[1]) && !isIncludesPreEnd(node, region)) |
| appendSpaceBefore(node, outside[1], source); |
| } |
| |
| /** |
| * |
| */ |
| public int getChildInsertPos(ICSSNode node) { |
| int n = ((IndexedRegion) node).getEndOffset(); |
| if (n > 0) { |
| IStructuredDocumentRegion flatNode = node.getOwnerDocument().getModel().getStructuredDocument().getRegionAtCharacterOffset(n - 1); |
| if (flatNode.getRegionAtCharacterOffset(n - 1).getType() == CSSRegionContexts.CSS_DECLARATION_VALUE_PARENTHESIS_CLOSE) |
| return n - 1; |
| return n; |
| } |
| return -1; |
| } |
| |
| /** |
| * |
| */ |
| protected abstract String getFunc(); |
| } |