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/*
* Copyright (C) 2007-2012 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#include "bu/variant.h"
#include "bu/formatter.h"
#include "bu/membuf.h"
namespace Bu
{
Formatter &operator<<( Formatter &f, const String &s );
};
Bu::VariantTypeRoot::VariantTypeRoot()
{
}
Bu::VariantTypeRoot::~VariantTypeRoot()
{
}
Bu::Variant::Variant() :
pCore( NULL )
{
}
Bu::Variant::Variant( const Variant &v ) :
pCore( NULL )
{
if( v.pCore )
{
pCore = v.pCore->clone();
}
}
Bu::Variant::Variant( const char *t ) :
pCore( NULL )
{
set( Bu::String( t ) );
}
Bu::Variant::~Variant()
{
if( pCore )
{
delete pCore;
pCore = NULL;
}
}
Bu::String Bu::Variant::toString() const
{
if( getType() == typeid( Bu::String ) )
{
return get<Bu::String>();
}
else
{
Bu::MemBuf mb;
Bu::Formatter f( mb );
f << *this;
return mb.getString();
}
}
bool Bu::Variant::isSet() const
{
return pCore != NULL;
}
const std::type_info &Bu::Variant::getType() const
{
if( !pCore )
{
throw Bu::ExceptionBase("No data!");
}
return pCore->getType();
}
Bu::Variant &Bu::Variant::operator=( const Bu::Variant &rhs )
{
if( pCore )
{
delete pCore;
pCore = NULL;
}
if( rhs.pCore )
{
pCore = rhs.pCore->clone();
}
return *this;
}
Bu::Formatter &Bu::operator<<( Bu::Formatter &f, const Bu::Variant &v )
{
if( !v.pCore )
return f << "(null)";
v.pCore->format( f );
return f;
}
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