001/**
002 *
003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
004 *
005 * This library is free software; you can redistribute it and/or
006 * modify it under the terms of the GNU Lesser General Public
007 * License as published by the Free Software Foundation; either 
008 * version 2.1 of the License, or (at your option) any later version.
009 * 
010 * This library is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013 * Lesser General Public License for more details.
014 * 
015 * You should have received a copy of the GNU Lesser General Public 
016 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
017 * 
018 **/
019package lucee.runtime.interpreter.ref.func;
020
021import lucee.runtime.PageContext;
022import lucee.runtime.exp.PageException;
023import lucee.runtime.interpreter.ref.Ref;
024import lucee.runtime.interpreter.ref.RefSupport;
025import lucee.runtime.interpreter.ref.util.RefUtil;
026import lucee.runtime.op.Caster;
027
028/**
029 * call of a User defined Function
030 */
031public final class UDFCall extends RefSupport implements Ref {
032
033        
034        private Ref[] arguments;
035    private String name;
036    private Ref parent;
037    private Ref refName;
038
039    /**
040     * @param pc
041     * @param parent
042     * @param name
043     * @param arguments
044     */
045    public UDFCall(Ref parent, String name, Ref[] arguments) {
046        this.parent=parent;
047        this.name=name;
048        this.arguments=arguments;
049    }
050    
051    /**
052     * @param pc
053     * @param parent
054     * @param refName
055     * @param arguments
056     */
057    public UDFCall(Ref parent, Ref refName, Ref[] arguments) {
058        this.parent=parent;
059        this.refName=refName;
060        this.arguments=arguments;
061    }
062
063    @Override
064        public Object getValue(PageContext pc) throws PageException {
065        return pc.getVariableUtil().callFunction(
066                pc,
067                parent.getValue(pc),
068                getName(pc),
069                RefUtil.getValue(pc,arguments)
070        );
071        }
072
073        private String getName(PageContext pc) throws PageException {
074        if(name!=null)return name;
075        return Caster.toString(refName.getValue(pc));
076    }
077
078        @Override
079    public String getTypeName() {
080                return "user defined function";
081        }
082}