| /******************************************************************************* |
| * Copyright (c) 2007, 2012 David Green 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: |
| * David Green - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.mylyn.wikitext.parser; |
| |
| import java.io.IOException; |
| import java.io.Reader; |
| import java.io.StringWriter; |
| |
| import org.eclipse.mylyn.wikitext.parser.builder.HtmlDocumentBuilder; |
| import org.eclipse.mylyn.wikitext.parser.markup.MarkupLanguage; |
| |
| /** |
| * A markup processor that can process lightweight markup formats such as Textile. |
| * |
| * @author David Green |
| * @since 3.0 |
| */ |
| public class MarkupParser { |
| |
| private MarkupLanguage markupLanguage; |
| |
| private DocumentBuilder builder; |
| |
| public MarkupParser() { |
| } |
| |
| public MarkupParser(MarkupLanguage markupLanguage, DocumentBuilder builder) { |
| this.markupLanguage = markupLanguage; |
| this.builder = builder; |
| } |
| |
| public MarkupParser(MarkupLanguage markupLanguage) { |
| this.markupLanguage = markupLanguage; |
| } |
| |
| /** |
| * the markup language of the markup to process |
| */ |
| public MarkupLanguage getMarkupLanguage() { |
| return markupLanguage; |
| } |
| |
| /** |
| * set the markup language of the markup to process |
| */ |
| public void setMarkupLanguage(MarkupLanguage markupLanguage) { |
| this.markupLanguage = markupLanguage; |
| } |
| |
| /** |
| * the builder to which parse results are propagated |
| */ |
| public DocumentBuilder getBuilder() { |
| return builder; |
| } |
| |
| /** |
| * set the builder to which parse results are propagated |
| */ |
| public void setBuilder(DocumentBuilder builder) { |
| this.builder = builder; |
| } |
| |
| public void parse(Reader markupContent) throws IOException { |
| parse(markupContent, true); |
| } |
| |
| public void parse(Reader markupContent, boolean asDocument) throws IOException { |
| parse(readFully(markupContent), asDocument); |
| } |
| |
| public void parse(String markupContent) { |
| parse(markupContent, true); |
| } |
| |
| public void parse(String markupContent, boolean asDocument) { |
| if (markupLanguage == null) { |
| throw new IllegalStateException("markup language is not set"); //$NON-NLS-1$ |
| } |
| if (builder == null) { |
| throw new IllegalStateException("builder is not set"); //$NON-NLS-1$ |
| } |
| markupLanguage.processContent(this, markupContent, asDocument); |
| } |
| |
| private String readFully(Reader reader) throws IOException { |
| StringWriter writer = new StringWriter(); |
| int c; |
| while ((c = reader.read()) != -1) { |
| writer.write(c); |
| } |
| return writer.toString(); |
| } |
| |
| /** |
| * parse the given markup content and produce the result as an HTML document. |
| * |
| * @param markupContent |
| * the content to parse |
| * @return the HTML document text. |
| */ |
| public String parseToHtml(String markupContent) { |
| if (builder != null) { |
| throw new IllegalStateException("Builder must not be set"); //$NON-NLS-1$ |
| } |
| |
| StringWriter out = new StringWriter(); |
| |
| setBuilder(new HtmlDocumentBuilder(out)); |
| |
| parse(markupContent); |
| |
| setBuilder(null); |
| |
| return out.toString(); |
| } |
| } |