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A PHP engine implemented in 100% Java
/*
* Copyright (c) 1998-2012 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Nam Nguyen
*/
package com.caucho.quercus.lib.filter;
import com.caucho.quercus.env.ArrayValue;
import com.caucho.quercus.env.BooleanValue;
import com.caucho.quercus.env.DoubleValue;
import com.caucho.quercus.env.Env;
import com.caucho.quercus.env.Value;
import com.caucho.util.L10N;
public class FloatValidateFilter
extends AbstractFilter
implements ValidateFilter
{
private static final L10N L = new L10N(FloatValidateFilter.class);
@Override
protected Value filterImpl(Env env, Value value,
int flags, ArrayValue options)
{
if (value == BooleanValue.TRUE) {
return DoubleValue.create(1.0);
}
else if (value.isLong()) {
return value.toDoubleValue();
}
else if (value.isDoubleConvertible()) {
return value.toDoubleValue();
}
else {
String originalStr = value.toStringValue(env).toString();
String str = originalStr;
if ((flags & FilterModule.FILTER_FLAG_ALLOW_THOUSAND) > 0) {
str = str.replace(",", "");
}
if (options != null) {
Value decimalSeparator = options.get(env.createString("decimal"));
if (decimalSeparator.isString()) {
if (decimalSeparator.length() > 1) {
env.warning(L.l("decimal separator must be one char: {0}", decimalSeparator));
return BooleanValue.FALSE;
}
str = str.replace(decimalSeparator.toString(), ".");
}
}
if (str != originalStr) {
value = env.createString(str);
if (value.isDoubleConvertible()) {
return value.toDoubleValue();
}
}
return BooleanValue.FALSE;
}
}
}