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.util.ByLineReaderSource;
import org.apache.maven.doxia.module.confluence.ConfluenceMarkup;
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.util.ByLineSource;
import org.apache.maven.doxia.module.confluence.parser.BlockParser;
import org.apache.maven.doxia.module.confluence.parser.Block;
import org.apache.maven.doxia.module.confluence.parser.BoldBlock;
import org.apache.maven.doxia.parser.ParseException;
import org.codehaus.plexus.util.StringUtils;
/**
* Parse tables
*
* @author Juan F. Codagnone
* @version $Id: TableBlockParser.java 1465336 2013-04-07 07:39:00Z hboutemy $
*/
public class TableBlockParser
implements BlockParser
{
private static final String EMPTY_STRING = "";
private static final String ANY_CHARACTER = ".*";
private static final String ESCAPE_CHARACTER = "\\";
/** {@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>();
BlockParser headingParser = new SectionBlockParser();
BlockParser figureParser = new FigureBlockParser();
BlockParser[] subparsers = new BlockParser[] { headingParser, figureParser };
BlockParser paragraphParser = new ParagraphBlockParser( subparsers );
if ( l.startsWith( "||" ) )
{
String[] text = StringUtils.split( l, "||" );
for ( int i = 0; i < text.length; i++ )
{
List<Block> textBlocks = new ArrayList<Block>();
textBlocks.add( ( ( ParagraphBlockParser) paragraphParser )
.visit( text[i], new ByLineReaderSource( new StringReader( EMPTY_STRING ) ), false ) );
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++;
}
Object[] pText = texts.toArray();
for ( int i = 0; i < pText.length; i++ )
{
List<Block> blocks = new ArrayList<Block>();
blocks.add( ( (ParagraphBlockParser) paragraphParser ).visit( (String) pText[i],
new ByLineReaderSource( new StringReader( EMPTY_STRING ) ), false ) );
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 );
}
}