001package org.apache.maven.doxia.module.fml; 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 org.apache.maven.doxia.macro.MacroExecutionException; 023import org.apache.maven.doxia.parser.Xhtml5BaseParser; 024import org.apache.maven.doxia.sink.Sink; 025import org.apache.maven.doxia.sink.impl.SinkEventAttributeSet; 026import org.codehaus.plexus.util.xml.pull.XmlPullParser; 027import org.codehaus.plexus.util.xml.pull.XmlPullParserException; 028 029/** 030 * Parse Fml questions and answers, these may contain arbitrary xdoc elements. 031 * 032 * @author ltheussl 033 * @since 1.0 034 */ 035public class FmlContentParser 036 extends Xhtml5BaseParser 037 implements FmlMarkup 038{ 039 /** Empty elements don't write a closing tag. */ 040 private boolean isEmptyElement; 041 042 /** {@inheritDoc} */ 043 protected void handleStartTag( XmlPullParser parser, Sink sink ) 044 throws XmlPullParserException, MacroExecutionException 045 { 046 isEmptyElement = parser.isEmptyElementTag(); 047 048 if ( parser.getName().equals( QUESTION_TAG.toString() ) 049 || parser.getName().equals( TITLE.toString() ) 050 || parser.getName().equals( ANSWER_TAG.toString() ) ) 051 { 052 // ignore 053 return; 054 } 055 else if ( parser.getName().equals( SOURCE_TAG.toString() ) ) 056 { 057 verbatim(); 058 059 sink.verbatim( SinkEventAttributeSet.BOXED ); 060 } 061 else if ( !baseStartTag( parser, sink ) ) 062 { 063 if ( isEmptyElement ) 064 { 065 handleUnknown( parser, sink, TAG_TYPE_SIMPLE ); 066 } 067 else 068 { 069 handleUnknown( parser, sink, TAG_TYPE_START ); 070 } 071 072 if ( getLog().isDebugEnabled() ) 073 { 074 String position = "[" + parser.getLineNumber() + ":" 075 + parser.getColumnNumber() + "]"; 076 String tag = "<" + parser.getName() + ">"; 077 078 getLog().debug( "Unrecognized fml tag: " + tag + " at " + position ); 079 } 080 } 081 } 082 083 /** {@inheritDoc} */ 084 protected void handleEndTag( XmlPullParser parser, Sink sink ) 085 throws XmlPullParserException, MacroExecutionException 086 { 087 if ( parser.getName().equals( QUESTION_TAG.toString() ) 088 || parser.getName().equals( TITLE.toString() ) 089 || parser.getName().equals( ANSWER_TAG.toString() ) ) 090 { 091 // ignore 092 return; 093 } 094 else if ( parser.getName().equals( SOURCE_TAG.toString() ) ) 095 { 096 verbatim_(); 097 098 sink.verbatim_(); 099 } 100 else if ( !baseEndTag( parser, sink ) ) 101 { 102 if ( !isEmptyElement ) 103 { 104 handleUnknown( parser, sink, TAG_TYPE_END ); 105 } 106 } 107 108 isEmptyElement = false; 109 } 110 111 /** 112 * {@inheritDoc} 113 */ 114 protected void init() 115 { 116 super.init(); 117 118 this.isEmptyElement = false; 119 } 120}