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.functions.arrays; 020 021 022import lucee.runtime.PageContext; 023import lucee.runtime.exp.CasterException; 024import lucee.runtime.exp.FunctionException; 025import lucee.runtime.exp.PageException; 026import lucee.runtime.functions.BIF; 027import lucee.runtime.op.Caster; 028import lucee.runtime.op.Decision; 029import lucee.runtime.op.Operator; 030import lucee.runtime.type.Array; 031import lucee.runtime.type.Closure; 032import lucee.runtime.type.UDF; 033 034public final class ArrayFind extends BIF { 035 036 private static final long serialVersionUID = -3282048672805234115L; 037 038 public static double call(PageContext pc , Array array, Object value) throws PageException { 039 if(value instanceof UDF) 040 return find(pc,array,(UDF)value); 041 042 043 return find(array,value,true); 044 } 045 046 @Override 047 public Object invoke(PageContext pc, Object[] args) throws PageException { 048 return call(pc,Caster.toArray(args[0]),args[1]); 049 } 050 051 public static int find(PageContext pc ,Array array, UDF udf) throws PageException { 052 int len=array.size(); 053 054 Object[] arr=new Object[1]; 055 Object res; 056 Boolean b; 057 for(int i=1;i<=len;i++) { 058 arr[0]=array.get(i,null); 059 if(arr[0]!=null) { 060 res=udf.call(pc, arr, false); 061 b=Caster.toBoolean(res,null); 062 if(b==null) throw new FunctionException(pc,"ArrayFind",2,"function","return value of the "+(udf instanceof Closure?"closure":"function ["+udf.getFunctionName()+"]")+" cannot be casted to a boolean value.",CasterException.createMessage(res, "boolean")); 063 if(b.booleanValue())return i; 064 } 065 } 066 return 0; 067 } 068 069 public static int find(Array array, Object value, boolean caseSensitive) { 070 int len=array.size(); 071 boolean valueIsSimple=Decision.isSimpleValue(value); 072 Object o; 073 for(int i=1;i<=len;i++) { 074 o=array.get(i,null); 075 if(o!=null && Operator.equalsEL(o, value,caseSensitive,!valueIsSimple)) return i; 076 } 077 return 0; 078 } 079}