| package org.apache.maven.doxia.module.confluence.parser.table; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.io.StringReader; |
| import java.util.ArrayList; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import org.apache.maven.doxia.module.confluence.ConfluenceMarkup; |
| import org.apache.maven.doxia.module.confluence.parser.Block; |
| import org.apache.maven.doxia.module.confluence.parser.BlockParser; |
| import org.apache.maven.doxia.module.confluence.parser.BoldBlock; |
| import org.apache.maven.doxia.module.confluence.parser.FigureBlockParser; |
| import org.apache.maven.doxia.module.confluence.parser.ParagraphBlockParser; |
| import org.apache.maven.doxia.module.confluence.parser.SectionBlockParser; |
| import org.apache.maven.doxia.module.confluence.parser.list.ListBlockParser; |
| import org.apache.maven.doxia.parser.ParseException; |
| import org.apache.maven.doxia.util.ByLineReaderSource; |
| import org.apache.maven.doxia.util.ByLineSource; |
| import org.codehaus.plexus.util.StringUtils; |
| |
| /** |
| * Parse tables |
| * |
| * @author Juan F. Codagnone |
| * @version $Id$ |
| */ |
| public class TableBlockParser |
| implements BlockParser |
| { |
| private static final String EMPTY_STRING = ""; |
| |
| private static final String ANY_CHARACTER = ".*"; |
| |
| private static final String ESCAPE_CHARACTER = "\\"; |
| |
| private BlockParser[] parsers; |
| |
| /** |
| * Default constructor TableBlockParser. |
| */ |
| public TableBlockParser() |
| { |
| BlockParser headingParser = new SectionBlockParser(); |
| BlockParser figureParser = new FigureBlockParser(); |
| BlockParser listParser = new ListBlockParser(); |
| |
| BlockParser[] subparsers = new BlockParser[] { headingParser, figureParser, listParser }; |
| BlockParser paragraphParser = new ParagraphBlockParser( subparsers ); |
| |
| this.parsers = new BlockParser[] { headingParser, figureParser, listParser, paragraphParser }; |
| |
| } |
| |
| /** {@inheritDoc} */ |
| public boolean accept( String line, ByLineSource source ) |
| { |
| return line.startsWith( "|" ); |
| } |
| |
| /** {@inheritDoc} */ |
| public Block visit( String line, ByLineSource source ) |
| throws ParseException |
| { |
| if ( !accept( line, source ) ) |
| { |
| throw new IllegalAccessError( "call accept before this ;)" ); |
| } |
| |
| List<Block> rows = new ArrayList<Block>(); |
| |
| String l = line; |
| |
| do |
| { |
| l = l.substring( 0, l.lastIndexOf( "|" ) ); |
| |
| List<Block> cells = new ArrayList<Block>(); |
| |
| if ( l.startsWith( "||" ) ) |
| { |
| String[] text = StringUtils.split( l, "||" ); |
| |
| for ( int i = 0; i < text.length; i++ ) |
| { |
| List<Block> textBlocks = new ArrayList<Block>(); |
| |
| textBlocks.add( parseLine( text[i], new ByLineReaderSource( new StringReader( EMPTY_STRING ) ) ) ); |
| |
| List<Block> blocks = new ArrayList<Block>(); |
| |
| blocks.add( new BoldBlock( textBlocks ) ); |
| |
| cells.add( new TableCellHeaderBlock( blocks ) ); |
| } |
| } |
| else |
| { |
| int it = 0; |
| String[] text = StringUtils.split( l, "|" ); |
| List<String> texts = new LinkedList<String>(); |
| |
| while ( it < text.length ) |
| { |
| if ( text[it].matches( ANY_CHARACTER + ESCAPE_CHARACTER + ConfluenceMarkup.LINK_START_MARKUP |
| + ANY_CHARACTER ) |
| && !text[it].matches( ANY_CHARACTER + ESCAPE_CHARACTER + ConfluenceMarkup.LINK_END_MARKUP |
| + ANY_CHARACTER ) ) |
| { |
| texts.add( text[it] + ConfluenceMarkup.TABLE_CELL_MARKUP + text[it + 1] ); |
| it += 2; |
| continue; |
| } |
| texts.add( text[it] ); |
| it++; |
| } |
| |
| String[] pText = texts.toArray( new String[0] ); |
| for ( int i = 0; i < pText.length; i++ ) |
| { |
| List<Block> blocks = new ArrayList<Block>(); |
| |
| blocks.add( parseLine( pText[i], new ByLineReaderSource( new StringReader( EMPTY_STRING ) ) ) ); |
| |
| cells.add( new TableCellBlock( blocks ) ); |
| } |
| } |
| |
| rows.add( new TableRowBlock( cells ) ); |
| } |
| |
| while ( ( l = source.getNextLine() ) != null && accept( l, source ) ); |
| |
| assert rows.size() >= 1; |
| |
| return new TableBlock( rows ); |
| } |
| |
| private Block parseLine( String text, ByLineSource source ) |
| throws ParseException |
| { |
| if ( text.trim().length() > 0 ) |
| { |
| for ( BlockParser parser : parsers ) |
| { |
| if ( parser.accept( text, source ) ) |
| { |
| if ( parser instanceof ParagraphBlockParser ) |
| { |
| return ( (ParagraphBlockParser) parser ).visit( text, source, false ); |
| } |
| else |
| { |
| return parser.visit( text, source ); |
| } |
| } |
| } |
| } |
| return null; |
| } |
| } |