/**
*
* 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 refind
*/
package lucee.runtime.functions.string;
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.op.Caster;
import lucee.runtime.regex.Perl5Util;
import org.apache.oro.text.regex.MalformedPatternException;
public final class REFind extends BIF {
public static Object call(PageContext pc , String regExpr, String str) throws ExpressionException {
return call(pc,regExpr,str,1,false);
}
public static Object call(PageContext pc , String regExpr, String str, double start) throws ExpressionException {
return call(pc,regExpr,str,start,false);
}
public static Object call(PageContext pc , String regExpr, String str, double start, boolean returnsubexpressions) throws ExpressionException {
try {
if(returnsubexpressions)
return Perl5Util.find(regExpr,str,(int)start,true);
return new Double(Perl5Util.indexOf(regExpr,str,(int)start,true));
} catch (MalformedPatternException e) {
throw new FunctionException(pc,"reFind",1,"regularExpression",e.getMessage());
}
}
@Override
public Object invoke(PageContext pc, Object[] args) throws PageException {
if(args.length==2)
return call(pc, Caster.toString(args[0]), Caster.toString(args[1]));
if(args.length==3)
return call(pc, Caster.toString(args[0]), Caster.toString(args[1]), Caster.toDoubleValue(args[2]));
if(args.length==4)
return call(pc, Caster.toString(args[0]), Caster.toString(args[1]), Caster.toDoubleValue(args[2]), Caster.toBooleanValue(args[3]));
throw new FunctionException(pc, "REFind", 2, 4, args.length);
}
}