| /******************************************************************************* |
| * Copyright (c) 2007, 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.textile.internal; |
| |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| import org.eclipse.mylyn.wikitext.parser.markup.ContentState; |
| import org.eclipse.mylyn.wikitext.textile.internal.block.FootnoteBlock; |
| |
| /** |
| * Override the default content state so that we can support named links. |
| * |
| * @author David Green |
| */ |
| public class TextileContentState extends ContentState { |
| private static final Pattern NAMED_LINK_PATTERN = Pattern.compile("\\[(\\S+)\\]([a-zA-Z]{3,5}:\\S+)", //$NON-NLS-1$ |
| Pattern.MULTILINE); |
| |
| private final Map<String, String> nameToUrl = new HashMap<String, String>(); |
| |
| private Set<String> footnoteNumbers; |
| |
| @Override |
| protected void setMarkupContent(String markupContent) { |
| super.setMarkupContent(markupContent); |
| preprocessContent(markupContent); |
| } |
| |
| private void preprocessContent(String markupContent) { |
| // look for named links |
| Matcher matcher = NAMED_LINK_PATTERN.matcher(markupContent); |
| while (matcher.find()) { |
| String name = matcher.group(1); |
| String href = matcher.group(2); |
| nameToUrl.put(name, href); |
| } |
| } |
| |
| public String getNamedLinkUrl(String name) { |
| return nameToUrl.get(name); |
| } |
| |
| /** |
| * the known footnote numbers, or null if there are none |
| */ |
| public Set<String> getFootnoteNumbers() { |
| return footnoteNumbers; |
| } |
| |
| /** |
| * the known footnote numbers, or null if there are none |
| */ |
| public void setFootnoteNumbers(Set<String> footnoteNumbers) { |
| this.footnoteNumbers = footnoteNumbers; |
| } |
| |
| /** |
| * @param footnoteNumber |
| * the number of the footnote, eg: <code>1</code>, or <code>12</code> |
| * @see FootnoteBlock |
| */ |
| public void footnoteBlockDetected(String footnoteNumber) { |
| if (footnoteNumbers == null) { |
| footnoteNumbers = new HashSet<String>(); |
| } |
| footnoteNumbers.add(footnoteNumber); |
| } |
| |
| public boolean hasFootnoteNumber(String footnoteNumber) { |
| return footnoteNumbers != null && footnoteNumbers.contains(footnoteNumber); |
| } |
| } |