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.literal; 020 021import java.util.ArrayList; 022import java.util.List; 023 024import lucee.runtime.PageContext; 025import lucee.runtime.exp.PageException; 026import lucee.runtime.interpreter.InterpreterException; 027import lucee.runtime.interpreter.ref.Ref; 028import lucee.runtime.interpreter.ref.RefSupport; 029import lucee.runtime.interpreter.ref.Set; 030import lucee.runtime.interpreter.ref.var.Variable; 031import lucee.runtime.type.FunctionValueImpl; 032 033/** 034 * ref for a functionValue 035 */ 036public final class LFunctionValue extends RefSupport implements Ref { 037 038 039 private Ref name; 040 private Ref refValue; 041 private Object objValue; 042 043 /** 044 * constructor of the class 045 * @param name 046 * @param value 047 */ 048 public LFunctionValue(Ref name, Ref value) { 049 this.name=name; 050 this.refValue=value; 051 } 052 public LFunctionValue(Ref name, Object value) { 053 this.name=name; 054 this.objValue=value; 055 } 056 057 @Override 058 public Object getValue(PageContext pc) throws PageException { 059 060 if(name instanceof Variable){ 061 return new FunctionValueImpl(toStringArray(pc,(Set)name),refValue==null?objValue:refValue.getValue(pc)); 062 } 063 if(name instanceof Literal) { 064 return new FunctionValueImpl(((Literal)name).getString(pc),refValue==null?objValue:refValue.getValue(pc)); 065 } 066 067 // TODO no idea if this is ever used 068 if(name instanceof Set){ 069 return new FunctionValueImpl(lucee.runtime.type.util.ListUtil.arrayToList(toStringArray(pc,(Set)name),"."),refValue==null?objValue:refValue.getValue(pc)); 070 } 071 throw new InterpreterException("invalid syntax in named argument"); 072 //return new FunctionValueImpl(key,value.getValue()); 073 } 074 075 public static String[] toStringArray(PageContext pc,Set set) throws PageException { 076 Ref ref=set; 077 String str; 078 List<String> arr=new ArrayList<String>(); 079 do { 080 set=(Set) ref; 081 str=set.getKeyAsString(pc); 082 if(str!=null)arr.add(0, str); 083 else break; 084 ref=set.getParent(pc); 085 }while(ref instanceof Set); 086 return arr.toArray(new String[arr.size()]); 087 } 088 089 @Override 090 public String getTypeName() { 091 return "function value"; 092 } 093 094}