| /******************************************************************************* |
| * Copyright (c) 2010 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.html.core.internal.format; |
| |
| import java.util.HashSet; |
| import java.util.Locale; |
| import java.util.Set; |
| |
| import org.eclipse.wst.html.core.internal.HTMLCorePlugin; |
| import org.eclipse.wst.html.core.internal.preferences.HTMLCorePreferenceNames; |
| import org.w3c.dom.Node; |
| |
| import com.ibm.icu.util.StringTokenizer; |
| |
| public class HTMLFormattingUtil { |
| |
| private Set fInlineElements; |
| |
| public HTMLFormattingUtil() { |
| fInlineElements = getInlineSet(); |
| } |
| |
| public boolean isInline(Node node) { |
| return node != null && fInlineElements.contains(node.getNodeName().toLowerCase(Locale.US)); |
| } |
| |
| public boolean shouldSkipIndentForNode(Node node) { |
| return isInline(node.getParentNode()); |
| } |
| |
| /** |
| * Returns an array of the element names considered as "inline" for the purposes of formatting. |
| * This list represents those stored in the preference store when invoked. |
| * |
| * @return An array of element names considered to be "inline" |
| */ |
| public static Object[] getInlineElements() { |
| return getInlineSet().toArray(); |
| } |
| |
| /** |
| * Stores the element names to the preference store to be considered as "inline" |
| * |
| * @param elements The element names considered to be "inline" |
| */ |
| public static void exportToPreferences(Object[] elements) { |
| if (elements != null) { |
| StringBuffer buffer = new StringBuffer(); |
| for (int i = 0; i < elements.length; i++) { |
| if (i > 0) |
| buffer.append(','); |
| buffer.append(elements[i]); |
| } |
| HTMLCorePlugin.getDefault().getPluginPreferences().setValue(HTMLCorePreferenceNames.INLINE_ELEMENTS, buffer.toString()); |
| } |
| } |
| |
| /** |
| * Returns an array of the default element names considered as "inline" for the purposes of formatting. |
| * |
| * @return An array of the default element names considered to be "inline" |
| */ |
| public static Object[] getDefaultInlineElements() { |
| String inline = HTMLCorePlugin.getDefault().getPluginPreferences().getDefaultString(HTMLCorePreferenceNames.INLINE_ELEMENTS); |
| Set defaults = new HashSet(); |
| StringTokenizer tokenizer = new StringTokenizer(inline, ","); |
| while (tokenizer.hasMoreTokens()) { |
| defaults.add(tokenizer.nextToken()); |
| } |
| return defaults.toArray(); |
| } |
| |
| private static Set getInlineSet() { |
| String inline = HTMLCorePlugin.getDefault().getPluginPreferences().getString(HTMLCorePreferenceNames.INLINE_ELEMENTS); |
| Set elements = new HashSet(); |
| StringTokenizer tokenizer = new StringTokenizer(inline, ","); |
| while (tokenizer.hasMoreTokens()) { |
| elements.add(tokenizer.nextToken()); |
| } |
| return elements; |
| } |
| } |