/**
*
* Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
**/
/**
* Implements the CFML Function ArrayFilter
*/
package lucee.runtime.functions.arrays;
import lucee.commons.lang.CFTypes;
import lucee.runtime.PageContext;
import lucee.runtime.exp.ExpressionException;
import lucee.runtime.exp.FunctionException;
import lucee.runtime.exp.PageException;
import lucee.runtime.ext.function.BIF;
import lucee.runtime.functions.closure.Filter;
import lucee.runtime.op.Caster;
import lucee.runtime.type.Array;
import lucee.runtime.type.UDF;
public final class ArrayFilter extends BIF {
public static Array call(PageContext pc , Array array, UDF udf) throws PageException {
return _call(pc, array, udf, false, 20);
}
public static Array call(PageContext pc , Array array, UDF udf, boolean parallel) throws PageException {
return _call(pc, array, udf, parallel, 20);
}
public static Array call(PageContext pc , Array array, UDF udf, boolean parallel, double maxThreads) throws PageException {
return _call(pc, array, udf, parallel, (int)maxThreads);
}
public static Array _call(PageContext pc , Array array, UDF filter, boolean parallel, int maxThreads) throws PageException {
// check UDF return type
int type = filter.getReturnType();
if(type!=CFTypes.TYPE_BOOLEAN && type!=CFTypes.TYPE_ANY)
throw new ExpressionException("invalid return type ["+filter.getReturnTypeAsString()+"] for UDF Filter; valid return types are [boolean,any]");
return (Array) Filter._call(pc, array, filter, parallel, maxThreads);
}
@Override
public Object invoke(PageContext pc, Object[] args) throws PageException {
if(args.length==2)
return call(pc, Caster.toArray(args[0]), Caster.toFunction(args[1]));
if(args.length==3)
return call(pc, Caster.toArray(args[0]), Caster.toFunction(args[1]), Caster.toBooleanValue(args[2]));
if(args.length==4)
return call(pc, Caster.toArray(args[0]), Caster.toFunction(args[1]), Caster.toBooleanValue(args[2]), Caster.toDoubleValue(args[3]));
throw new FunctionException(pc, "ArrayFilter", 2, 4, args.length);
}
}