/*
* Name: BasicTextElementProcessor
* Authors: Richard Rodger
* Release: 0.3
*
* Copyright (c) 2001-2003 Richard Rodger
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
// package
package org.jostraca;
/* Import << */
import org.jostraca.unit.UnitList;
import org.jostraca.unit.BasicUnitList;
import org.jostraca.unit.BasicUnit;
import org.jostraca.unit.BasicUnitProcessor;
import org.jostraca.transform.TextualTransformManagerTable;
import org.jostraca.transform.TextualTransformManager;
import org.jostraca.transform.TransformException;
import org.jostraca.transform.RemoveFirstBlankLineTransform;
import org.jostraca.util.PropertySet;
/* Import >> */
/** <b>Description:</b><br>
* Process a template text element.
*/
public class BasicTextElementProcessor implements BasicGenericElementProcessor {
/* Private Instance << */
private BasicUnitList iUnitList;
private TemplateActionHandler iTemplateActionHandler;
private PropertySet iPropertySet;
private TextualTransformManagerTable iTextualTransformManagerTable;
private TextualTransformManager iInsertTransformManager;
private TextualTransformManager iTextTransformManager;
private String iContent;
/* Private Instance >> */
/* Public Methods << */
/* Constructor.
* @param pTemplateActionHandler Send actions based on content here.
* @param pPropertySet PropertySet to use.
* @param pTextualTransform Transform to apply to content.
*/
public BasicTextElementProcessor( BasicUnitList pUnitList,
TemplateActionHandler pTemplateActionHandler,
PropertySet pPropertySet,
TextualTransformManagerTable pTextualTransformManagerTable )
{
iUnitList = pUnitList;
iTemplateActionHandler = pTemplateActionHandler;
iPropertySet = pPropertySet;
iTextualTransformManagerTable = pTextualTransformManagerTable;
iTextTransformManager = pTextualTransformManagerTable.getTextTTM();
iInsertTransformManager = pTextualTransformManagerTable.getInsertTTM();
}
/** @see BasicGenericElementProcessor */
public boolean isMatch( Block pBlock ) throws TemplateElementProcessorException {
return pBlock.isText();
}
/** @see BasicGenericElementProcessor
* A text block is translated to a call to the _insert method of the code writer.
*/
public boolean process( Block pBlock ) throws TemplateElementProcessorException {
boolean finished = true;
String content = pBlock.getContent();
try {
String text_content = iTextTransformManager.transform( content );
iContent = text_content;
// REVIEW: do we need to do this?
String openScriptElement = iPropertySet.get( "o" );
if( -1 == iContent.indexOf( openScriptElement ) ) {
if( TemplateElementProcessor.ELEMENT_TYPE_expression == iTemplateActionHandler.getLastElementType() ) {
iInsertTransformManager.deactivate( RemoveFirstBlankLineTransform.NAME );
}
iContent = iInsertTransformManager.transform( iContent );
iInsertTransformManager.activate( RemoveFirstBlankLineTransform.NAME );
if( iInsertTransformManager.needsReparse() ) {
finished = false;
}
else {
iTemplateActionHandler.append( iContent );
String section = iTemplateActionHandler.getDefaultSection();
BasicUnit bu = new BasicUnit( BasicUnitProcessor.TYPE_text, section, text_content );
iUnitList.add( bu );
}
}
else {
finished = false;
}
iTemplateActionHandler.setLastElementType( ELEMENT_TYPE_text );
return finished;
}
catch( TransformException te ) {
throw new TemplateElementProcessorException( TemplateElementProcessorException.CODE_transform_error, te.getMessage() );
}
}
public String getContent() {
return iContent;
}
public UnitList getUnitList() {
return iUnitList;
}
/* Public Methods >> */
}