001package org.apache.maven.doxia.module.confluence; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import java.io.Reader; 023import java.util.ArrayList; 024import java.util.List; 025 026import org.apache.maven.doxia.module.confluence.parser.Block; 027import org.apache.maven.doxia.module.confluence.parser.BlockParser; 028import org.apache.maven.doxia.module.confluence.parser.DefinitionListBlockParser; 029import org.apache.maven.doxia.module.confluence.parser.FigureBlockParser; 030import org.apache.maven.doxia.module.confluence.parser.HorizontalRuleBlockParser; 031import org.apache.maven.doxia.module.confluence.parser.ParagraphBlockParser; 032import org.apache.maven.doxia.module.confluence.parser.SectionBlockParser; 033import org.apache.maven.doxia.module.confluence.parser.VerbatimBlockParser; 034import org.apache.maven.doxia.module.confluence.parser.list.ListBlockParser; 035import org.apache.maven.doxia.module.confluence.parser.table.TableBlockParser; 036import org.apache.maven.doxia.parser.AbstractTextParser; 037import org.apache.maven.doxia.parser.ParseException; 038import org.apache.maven.doxia.parser.Parser; 039import org.apache.maven.doxia.sink.Sink; 040import org.apache.maven.doxia.util.ByLineReaderSource; 041import org.apache.maven.doxia.util.ByLineSource; 042import org.codehaus.plexus.component.annotations.Component; 043 044/** 045 * Parse the <a href="http://www.atlassian.com/software/confluence/">Confluence</a>. 046 * See <a href="http://confluence.atlassian.com/display/CONF25/Confluence+Notation+Guide+Overview"> 047 * Confluence Notation Guide Overview</a> 048 * 049 * @since 1.0 050 */ 051@Component( role = Parser.class, hint = "confluence" ) 052public class ConfluenceParser 053 extends AbstractTextParser 054{ 055 private BlockParser[] parsers; 056 057 /** 058 * <p>Constructor for ConfluenceParser.</p> 059 */ 060 public ConfluenceParser() 061 { 062 init(); 063 } 064 065 private List<Block> parse( ByLineSource source ) 066 throws ParseException 067 { 068 init(); 069 070 List<Block> blocks = new ArrayList<>(); 071 072 String line; 073 074 while ( ( line = source.getNextLine() ) != null ) 075 { 076 //boolean accepted = false; 077 078 for ( BlockParser parser : parsers ) 079 { 080 if ( line.trim().length() == 0 ) 081 { 082 continue; 083 } 084 085 if ( parser.accept( line, source ) ) 086 { 087 //accepted = true; 088 089 blocks.add( parser.visit( line, source ) ); 090 091 break; 092 } 093 } 094 095/* 096 if ( !accepted ) 097 { 098 throw new ParseException( "don't know how to handle line: " + source.getLineNumber() + ": " + line ); 099 } 100*/ 101 } 102 103 return blocks; 104 } 105 106 /** {@inheritDoc} */ 107 @Override 108 public void parse( Reader source, Sink sink ) 109 throws ParseException 110 { 111 parse( source, sink, "" ); 112 } 113 114 /** {@inheritDoc} */ 115 @Override 116 public synchronized void parse( Reader source, Sink sink, String reference ) 117 throws ParseException 118 { 119 ByLineSource src = new ByLineReaderSource( source, reference ); 120 121 try 122 { 123 List<Block> blocks = parse( src ); 124 125 sink.head(); 126 127 sink.head_(); 128 129 sink.body(); 130 131 for ( Block block : blocks ) 132 { 133 block.traverse( sink ); 134 } 135 136 sink.body_(); 137 } 138 catch ( Exception e ) 139 { 140 // TODO handle column number 141 throw new ParseException( e, src.getName(), src.getLineNumber(), -1 ); 142 } 143 finally 144 { 145 setSecondParsing( false ); 146 init(); 147 } 148 } 149 150 /** 151 * {@inheritDoc} 152 */ 153 protected void init() 154 { 155 super.init(); 156 157 BlockParser headingParser = new SectionBlockParser(); 158 BlockParser figureParser = new FigureBlockParser(); 159 BlockParser verbatimParser = new VerbatimBlockParser(); 160 BlockParser definitionParser = new DefinitionListBlockParser(); 161 BlockParser horizontalRuleParser = new HorizontalRuleBlockParser(); 162 BlockParser listParser = new ListBlockParser(); 163 BlockParser tableParser = new TableBlockParser(); 164 165 BlockParser[] subparsers = 166 new BlockParser[] { headingParser, figureParser, listParser, tableParser, verbatimParser }; 167 BlockParser paragraphParser = new ParagraphBlockParser( subparsers ); 168 169 this.parsers = 170 new BlockParser[] { headingParser, figureParser, verbatimParser, definitionParser, horizontalRuleParser, 171 listParser, tableParser, paragraphParser }; 172 } 173}