| /******************************************************************************* |
| * Copyright (c) 2007, 2011 David Green and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * David Green - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.mylyn.wikitext.twiki.internal.phrase; |
| |
| import java.util.regex.Pattern; |
| |
| import org.eclipse.mylyn.wikitext.parser.Attributes; |
| import org.eclipse.mylyn.wikitext.parser.DocumentBuilder.SpanType; |
| import org.eclipse.mylyn.wikitext.parser.markup.PatternBasedElement; |
| import org.eclipse.mylyn.wikitext.parser.markup.PatternBasedElementProcessor; |
| |
| /** |
| * @author David Green |
| */ |
| public class SimpleWrappedPhraseModifier extends PatternBasedElement { |
| |
| protected static final int CONTENT_GROUP = 1; |
| |
| private static class SimplePhraseModifierProcessor extends PatternBasedElementProcessor { |
| private final SpanType[] spanType; |
| |
| private final boolean nesting; |
| |
| public SimplePhraseModifierProcessor(SpanType[] spanType, boolean nesting) { |
| this.spanType = spanType; |
| this.nesting = nesting; |
| } |
| |
| @Override |
| public void emit() { |
| for (SpanType type : spanType) { |
| getBuilder().beginSpan(type, new Attributes()); |
| } |
| if (nesting) { |
| getMarkupLanguage().emitMarkupLine(parser, state, getStart(this), getContent(this), 0); |
| } else { |
| getMarkupLanguage().emitMarkupText(parser, state, getContent(this)); |
| } |
| for (int x = 0; x < spanType.length; ++x) { |
| getBuilder().endSpan(); |
| } |
| } |
| } |
| |
| private final String startDelimiter; |
| |
| private final String endDelimiter; |
| |
| private final SpanType[] spanType; |
| |
| private final boolean nesting; |
| |
| public SimpleWrappedPhraseModifier(String startDelimiter, String endDelimiter, SpanType[] spanType) { |
| this(startDelimiter, endDelimiter, spanType, false); |
| } |
| |
| public SimpleWrappedPhraseModifier(String startDelimiter, String endDelimiter, SpanType[] spanType, boolean nesting) { |
| this.startDelimiter = startDelimiter; |
| this.endDelimiter = endDelimiter; |
| this.spanType = spanType; |
| this.nesting = nesting; |
| } |
| |
| @Override |
| protected String getPattern(int groupOffset) { |
| return Pattern.quote(startDelimiter) + "([^\\s-](?:.*?[^\\s-])?)(?:(?<=[^!])" + // content: note that we dont allow preceding '-' or trailing '-' to avoid conflict with strikethrough and emdash //$NON-NLS-1$ |
| Pattern.quote(endDelimiter) + ")"; //$NON-NLS-1$ |
| } |
| |
| @Override |
| protected int getPatternGroupCount() { |
| return 1; |
| } |
| |
| protected static String getContent(PatternBasedElementProcessor processor) { |
| return processor.group(CONTENT_GROUP); |
| } |
| |
| protected static int getStart(PatternBasedElementProcessor processor) { |
| return processor.start(CONTENT_GROUP); |
| } |
| |
| @Override |
| protected PatternBasedElementProcessor newProcessor() { |
| return new SimplePhraseModifierProcessor(spanType, nesting); |
| } |
| } |