//%LICENSE////////////////////////////////////////////////////////////////
//
// Licensed to The Open Group (TOG) under one or more contributor license
// agreements.  Refer to the OpenPegasusNOTICE.txt file distributed with
// this work for additional information regarding copyright ownership.
// Each contributor licenses this file to you under the OpenPegasus Open
// Source License; you may not use this file except in compliance with the
// License.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//////////////////////////////////////////////////////////////////////////
//
//%/////////////////////////////////////////////////////////////////////////////

#include <cstdio>
#include "WQLOperand.h"

PEGASUS_NAMESPACE_BEGIN

WQLOperand::WQLOperand() : _type(NULL_VALUE)
{

}

WQLOperand::WQLOperand(const WQLOperand& x)
{
    assign(x);
}

WQLOperand::~WQLOperand()
{
    clear();
}

WQLOperand& WQLOperand::operator=(const WQLOperand& x)
{
    clear();
    assign(x);
    return *this;
}

void WQLOperand::clear()
{
    if (_type == PROPERTY_NAME)
    ((String*)_propertyName)->~String();
    else if (_type == STRING_VALUE)
    ((String*)_stringValue)->~String();

    _type = NULL_VALUE;
}

void WQLOperand::assign(const WQLOperand& x)
{
    switch (_type = x._type)
    {
    case PROPERTY_NAME:
        new(_propertyName) String(*((String*)x._propertyName));
        break;

    case STRING_VALUE:
        new(_stringValue) String(*((String*)x._stringValue));
        break;

    case INTEGER_VALUE:
        _integerValue = x._integerValue;
        break;

    case DOUBLE_VALUE:
        _doubleValue = x._doubleValue;
        break;

    case BOOLEAN_VALUE:
        _booleanValue = x._booleanValue;
        break;

    case NULL_VALUE:
        _integerValue = 0;
        break;
    }
}

String WQLOperand::toString() const
{
    String result;

    switch (_type)
    {
    case PROPERTY_NAME:
    {
        result = "PROPERTY_NAME: ";
        result.append(*((String*)_propertyName));
        break;
    }

    case STRING_VALUE:
    {
        result = "STRING_VALUE: ";
        result.append(*((String*)_stringValue));
        break;
    }

    case INTEGER_VALUE:
    {
        result = "INTEGER_VALUE: ";
        char buffer[32];
        sprintf(buffer, "%" PEGASUS_64BIT_CONVERSION_WIDTH "d",
                    _integerValue);
        result.append(buffer);
        break;
    }

    case DOUBLE_VALUE:
    {
        result = "DOUBLE_VALUE: ";
        char buffer[32];
        sprintf(buffer, "%f", _doubleValue);
        result.append(buffer);
        break;
    }

    case BOOLEAN_VALUE:
    {
        result = "BOOLEAN_VALUE: ";

        if (_booleanValue)
        result.append("TRUE");
        else
        result.append("FALSE");

        break;
    }

    default:
        result = "NULL_VALUE";
        break;
    }

    return result;
}

PEGASUS_NAMESPACE_END