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.transformer.cfml.evaluator.func.impl; 020 021import lucee.commons.lang.StringList; 022import lucee.runtime.exp.TemplateException; 023import lucee.runtime.interpreter.VariableInterpreter; 024import lucee.runtime.type.Collection; 025import lucee.runtime.type.scope.Scope; 026import lucee.runtime.type.util.ArrayUtil; 027import lucee.transformer.bytecode.expression.Expression; 028import lucee.transformer.bytecode.expression.type.CollectionKey; 029import lucee.transformer.bytecode.expression.type.CollectionKeyArray; 030import lucee.transformer.bytecode.expression.var.Argument; 031import lucee.transformer.bytecode.expression.var.BIF; 032import lucee.transformer.bytecode.literal.LitDouble; 033import lucee.transformer.bytecode.literal.LitString; 034import lucee.transformer.cfml.evaluator.FunctionEvaluator; 035import lucee.transformer.library.function.FunctionLibFunction; 036 037public class IsDefined implements FunctionEvaluator{ 038 039 public void evaluate(BIF bif, FunctionLibFunction flf) throws TemplateException { 040 Argument arg = bif.getArguments()[0]; 041 Expression value = arg.getValue(); 042 if(value instanceof LitString) { 043 String str=((LitString)value).getString(); 044 StringList sl = VariableInterpreter.parse(str,false); 045 if(sl!=null){ 046 // scope 047 str=sl.next(); 048 int scope = VariableInterpreter.scopeString2Int(str); 049 if(scope==Scope.SCOPE_UNDEFINED)sl.reset(); 050 051 // keys 052 String[] arr=sl.toArray(); 053 ArrayUtil.trim(arr); 054 055 // update first arg 056 arg.setValue(LitDouble.toExprDouble(scope),"number"); 057 058 // add second argument 059 060 if(arr.length==1){ 061 Expression expr = new CollectionKey(arr[0]);//LitString.toExprString(str); 062 arg=new Argument(expr,Collection.Key.class.getName()); 063 bif.addArgument(arg); 064 } 065 else { 066 CollectionKeyArray expr=new CollectionKeyArray(arr); 067 //LiteralStringArray expr = new LiteralStringArray(arr); 068 arg=new Argument(expr,Collection.Key[].class.getName()); 069 bif.addArgument(arg); 070 } 071 072 } 073 074 } 075 //print.out("bif:"+arg.getValue().getClass().getName()); 076 } 077 078}