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 **/ 019/** 020 * Implements the CFML Function listvaluecount 021 */ 022package lucee.runtime.functions.list; 023 024import lucee.runtime.PageContext; 025import lucee.runtime.exp.FunctionException; 026import lucee.runtime.exp.PageException; 027import lucee.runtime.functions.BIF; 028import lucee.runtime.op.Caster; 029import lucee.runtime.type.Array; 030import lucee.runtime.type.util.ListUtil; 031 032public final class ListValueCount extends BIF { 033 034 private static final long serialVersionUID = -1808030347105091742L; 035 036 public static double call(PageContext pc , String list, String value) throws PageException { 037 return call(pc,list,value,",",false); 038 } 039 040 public static double call(PageContext pc , String list, String value, String delimiter) throws PageException { 041 return call(pc,list,value,delimiter,false); 042 } 043 public static double call(PageContext pc , String list, String value, String delimiter,boolean includeEmptyFields) throws PageException { 044 int count=0; 045 Array arr= includeEmptyFields?ListUtil.listToArray(list,delimiter):ListUtil.listToArrayRemoveEmpty(list,delimiter); 046 int len=arr.size(); 047 048 for(int i=1;i<=len;i++) { 049 if(arr.getE(i).equals(value))count++; 050 } 051 return count; 052 } 053 054 @Override 055 public Object invoke(PageContext pc, Object[] args) throws PageException { 056 if(args.length==2) 057 return call(pc, Caster.toString(args[0]), Caster.toString(args[1])); 058 if(args.length==3) 059 return call(pc, Caster.toString(args[0]), Caster.toString(args[1]), Caster.toString(args[2])); 060 if(args.length==4) 061 return call(pc, Caster.toString(args[0]), Caster.toString(args[1]), Caster.toString(args[2]), Caster.toBooleanValue(args[3])); 062 063 throw new FunctionException(pc, "ListValueCount", 2, 4, args.length); 064 } 065}