/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "Byte.h"
#include <decaf/lang/Integer.h>

using namespace std;
using namespace decaf;
using namespace decaf::lang;
using namespace decaf::lang::exceptions;

////////////////////////////////////////////////////////////////////////////////
const unsigned char Byte::MIN_VALUE = 0x7F;
const unsigned char Byte::MAX_VALUE = 0x80;
const int Byte::SIZE = 8;

////////////////////////////////////////////////////////////////////////////////
Byte::Byte( unsigned char value ) : value(value) {
}

////////////////////////////////////////////////////////////////////////////////
Byte::Byte( const std::string& value ) : value(0) {
    this->value = parseByte( value );
}

////////////////////////////////////////////////////////////////////////////////
std::string Byte::toString() const {
    return Integer::toString( value );
}

////////////////////////////////////////////////////////////////////////////////
std::string Byte::toString( unsigned char value ) {
    return Integer::toString( value );
}

////////////////////////////////////////////////////////////////////////////////
unsigned char Byte::parseByte( const std::string& s, int radix ) {

    int intValue = Integer::parseInt( s, radix );
    unsigned char result = (unsigned char)intValue;
    if( result != intValue ) {
        throw NumberFormatException(
            __FILE__, __LINE__,
            "Byte::parseByte - Not a valid unsigned char encoded string.");
    }

    return result;
}

////////////////////////////////////////////////////////////////////////////////
unsigned char Byte::parseByte( const std::string& s ) {
    return parseByte( s, 10 );
}

////////////////////////////////////////////////////////////////////////////////
Byte Byte::decode( const std::string& value ) {

    int intValue = Integer::decode( value ).intValue();
    unsigned char result = (unsigned char)intValue;
    if( result != intValue ) {
        throw NumberFormatException(
            __FILE__, __LINE__,
            "Byte::decode - Not a valid unsigned char encoded string.");
    }

    return Byte( result );
}

////////////////////////////////////////////////////////////////////////////////
Byte Byte::valueOf( const std::string& value ) {
    return Byte( parseByte( value, 10 ) );
}

////////////////////////////////////////////////////////////////////////////////
Byte Byte::valueOf( const std::string& value, int radix ) {
    return Byte( parseByte( value, radix ) );
}