| /******************************************************************************* |
| * Copyright (c) 2009 David Green and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * 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.confluence.internal.phrase; |
| |
| 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; |
| |
| /** |
| * A phrase modifier that is wrapped with confluence-style words, for example: {quote} |
| * |
| * @author David Green |
| */ |
| public class ConfluenceWrappedPhraseModifier 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() { |
| Attributes attributes = new Attributes(); |
| getBuilder().beginSpan(spanType, attributes); |
| if (nesting) { |
| getMarkupLanguage().emitMarkupLine(parser, state, getStart(this), getContent(this), 0); |
| } else { |
| getMarkupLanguage().emitMarkupText(parser, state, getContent(this)); |
| } |
| getBuilder().endSpan(); |
| } |
| } |
| |
| private final String startDelimiter; |
| |
| private final String endDelimiter; |
| |
| private final SpanType spanType; |
| |
| private final boolean nesting; |
| |
| public ConfluenceWrappedPhraseModifier(String delimiter, SpanType spanType, boolean nesting) { |
| this.startDelimiter = delimiter; |
| this.endDelimiter = delimiter; |
| this.spanType = spanType; |
| this.nesting = nesting; |
| } |
| |
| @Override |
| protected String getPattern(int groupOffset) { |
| String quotedStartDelimiter = quoteLite(startDelimiter); |
| String quotedDelimiter = quoteLite(endDelimiter); |
| |
| return quotedStartDelimiter + "(.*?)" + quotedDelimiter; //$NON-NLS-1$ |
| } |
| |
| private String quoteLite(String literal) { |
| StringBuilder buf = new StringBuilder(literal.length() * 2); |
| for (int x = 0; x < literal.length(); ++x) { |
| char c = literal.charAt(x); |
| switch (c) { |
| case '^': |
| case '*': |
| case '?': |
| case '+': |
| case '{': |
| case '}': |
| case '-': |
| buf.append('\\'); |
| } |
| buf.append(c); |
| } |
| return buf.toString(); |
| } |
| |
| @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); |
| } |
| } |