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.list; 020 021import lucee.runtime.PageContext; 022import lucee.runtime.exp.FunctionException; 023import lucee.runtime.exp.PageException; 024import lucee.runtime.functions.BIF; 025import lucee.runtime.functions.closure.Reduce; 026import lucee.runtime.op.Caster; 027import lucee.runtime.type.UDF; 028import lucee.runtime.type.util.StringListData; 029 030 031public final class ListReduce extends BIF { 032 033 private static final long serialVersionUID = 1857478124366819325L; 034 035 public static Object call(PageContext pc , String list, UDF udf) throws PageException { 036 return call(pc, list, udf, null, ",", false,true); 037 } 038 039 public static Object call(PageContext pc , String list, UDF udf, Object initValue) throws PageException { 040 return call(pc, list, udf, initValue, ",", false,true); 041 } 042 043 public static Object call(PageContext pc , String list, UDF udf, Object initValue ,String delimiter) throws PageException { 044 return call(pc, list, udf, initValue, delimiter, false,true); 045 } 046 047 public static Object call(PageContext pc , String list, UDF udf, Object initValue ,String delimiter 048 , boolean includeEmptyFields) throws PageException { 049 return call(pc, list, udf, initValue, delimiter, includeEmptyFields, true); 050 } 051 public static Object call(PageContext pc , String list, UDF udf, Object initValue ,String delimiter 052 , boolean includeEmptyFields, boolean multiCharacterDelimiter) throws PageException { 053 StringListData data=new StringListData(list,delimiter,includeEmptyFields,multiCharacterDelimiter); 054 055 return Reduce._call(pc, data, udf,initValue); 056 } 057 058 @Override 059 public Object invoke(PageContext pc, Object[] args) throws PageException { 060 061 if(args.length==2) 062 return call(pc, Caster.toString(args[0]), Caster.toFunction(args[1])); 063 if(args.length==3) 064 return call(pc, Caster.toString(args[0]), Caster.toFunction(args[1]),args[2]); 065 if(args.length==4) 066 return call(pc, Caster.toString(args[0]), Caster.toFunction(args[1]),args[2],Caster.toString(args[3])); 067 if(args.length==5) 068 return call(pc, Caster.toString(args[0]), Caster.toFunction(args[1]),args[2],Caster.toString(args[3]),Caster.toBooleanValue(args[4])); 069 if(args.length==6) 070 return call(pc, Caster.toString(args[0]), Caster.toFunction(args[1]),args[2],Caster.toString(args[3]),Caster.toBooleanValue(args[4]),Caster.toBooleanValue(args[5])); 071 072 throw new FunctionException(pc, "ListReduce", 2, 6, args.length); 073 } 074}