/*
* Copyright (C) 2000 - 2009 TagServlet Ltd
*
* This file is part of Open BlueDragon (OpenBD) CFML Server Engine.
*
* OpenBD is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Free Software Foundation,version 3.
*
* OpenBD 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 OpenBD. If not, see http://www.gnu.org/licenses/
*
* Additional permission under GNU GPL version 3 section 7
*
* If you modify this Program, or any covered work, by linking or combining
* it with any of the JARS listed in the README.txt (or a modified version of
* (that library), containing parts covered by the terms of that JAR, the
* licensors of this Program grant you additional permission to convey the
* resulting work.
* README.txt @ http://www.openbluedragon.org/license/README.txt
*
* http://www.openbluedragon.org/
*/
package com.naryx.tagfusion.expression.function.ext;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import com.naryx.tagfusion.cfm.engine.cfArrayData;
import com.naryx.tagfusion.cfm.engine.cfData;
import com.naryx.tagfusion.cfm.engine.cfSession;
import com.naryx.tagfusion.cfm.engine.cfStringData;
import com.naryx.tagfusion.cfm.engine.cfmRunTimeException;
import com.naryx.tagfusion.expression.function.functionBase;
public class getSupportedFunctions extends functionBase {
private static final long serialVersionUID = 1L;
public getSupportedFunctions(){ min = 0; max = 1; }
public String[] getParamInfo(){
return new String[]{
"Category of function to filter on"
};
}
public java.util.Map getInfo(){
return makeInfo(
"engine",
"Returns back all the core functions, optionally filtered on the given category",
ReturnType.ARRAY );
}
public cfData execute( cfSession _session, List<cfData> parameters ) throws cfmRunTimeException {
String category = null;
if ( parameters.size() == 1 )
category = parameters.get(0).getString().toLowerCase().trim();
cfArrayData arrData = cfArrayData.createArray( 1 );
Map<String, String> hm = com.naryx.tagfusion.expression.compile.expressionEngine.getFunctions();
if ( category == null || category.length() == 0 ){
// Quick Method; just return all the functions
Iterator<String> iter = hm.keySet().iterator();
while ( iter.hasNext() ){
arrData.addElement( new cfStringData( iter.next() ) );
}
}else{
Iterator<String> iter = hm.keySet().iterator();
while ( iter.hasNext() ){
String funcName = iter.next();
functionBase function = com.naryx.tagfusion.expression.compile.expressionEngine.getFunction( funcName );
Map<String,String> metainfo = function.getInfo();
if ( metainfo.get("category").equals(category) ){
arrData.addElement( new cfStringData( funcName ) );
}
}
}
//--[ Need to sort array
arrData.sortArray( "text", "asc" );
return arrData;
}
}