| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** Task script that is called by Ant's common-build.xml file: |
| * Installs markdown filter into Ant. |
| */ |
| |
| import org.apache.tools.ant.AntTypeDefinition; |
| import org.apache.tools.ant.ComponentHelper; |
| import org.apache.tools.ant.filters.TokenFilter.ChainableReaderFilter; |
| import com.vladsch.flexmark.util.ast.Document; |
| import com.vladsch.flexmark.ast.Heading; |
| import com.vladsch.flexmark.html.HtmlRenderer; |
| import com.vladsch.flexmark.parser.Parser; |
| import com.vladsch.flexmark.parser.ParserEmulationProfile; |
| import com.vladsch.flexmark.util.html.Escaping; |
| import com.vladsch.flexmark.util.options.MutableDataSet; |
| import com.vladsch.flexmark.ext.abbreviation.AbbreviationExtension; |
| import com.vladsch.flexmark.ext.autolink.AutolinkExtension; |
| |
| public final class MarkdownFilter extends ChainableReaderFilter { |
| @Override |
| public String filter(String markdownSource) { |
| MutableDataSet options = new MutableDataSet(); |
| options.setFrom(ParserEmulationProfile.MARKDOWN); |
| options.set(Parser.EXTENSIONS, [ AbbreviationExtension.create(), AutolinkExtension.create() ]); |
| options.set(HtmlRenderer.RENDER_HEADER_ID, true); |
| options.set(HtmlRenderer.MAX_TRAILING_BLANK_LINES, 0); |
| Document parsed = Parser.builder(options).build().parse(markdownSource); |
| |
| StringBuilder html = new StringBuilder('<html>\n<head>\n'); |
| CharSequence title = parsed.getFirstChildAny(Heading.class)?.getText(); |
| if (title != null) { |
| html.append('<title>').append(Escaping.escapeHtml(title, false)).append('</title>\n'); |
| } |
| html.append('<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">\n') |
| .append('</head>\n<body>\n'); |
| HtmlRenderer.builder(options).build().render(parsed, html); |
| html.append('</body>\n</html>\n'); |
| return html; |
| } |
| } |
| |
| AntTypeDefinition t = new AntTypeDefinition(); |
| t.setName('markdownfilter'); |
| t.setClass(MarkdownFilter.class); |
| ComponentHelper.getComponentHelper(project).addDataTypeDefinition(t); |
