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|
/*-----------------------------------------------------------------------------
| Copyright (c) 2013-2017, Nucleic Development Team.
|
| Distributed under the terms of the Modified BSD License.
|
| The full license is in the file COPYING.txt, distributed with this software.
|----------------------------------------------------------------------------*/
#pragma once
#include <memory>
#include <string>
#include "shareddata.h"
namespace kiwi
{
class Variable
{
public:
class Context
{
public:
Context() {}
virtual ~Context() {} // LCOV_EXCL_LINE
};
Variable( Context* context = 0 ) :
m_data( new VariableData( "", context ) ) {}
Variable( const std::string& name, Context* context = 0 ) :
m_data( new VariableData( name, context ) ) {}
Variable( const char* name, Context* context = 0 ) :
m_data( new VariableData( name, context ) ) {}
~Variable() {}
const std::string& name() const
{
return m_data->m_name;
}
void setName( const char* name )
{
m_data->m_name = name;
}
void setName( const std::string& name )
{
m_data->m_name = name;
}
Context* context() const
{
return m_data->m_context.get();
}
void setContext( Context* context )
{
m_data->m_context.reset( context );
}
double value() const
{
return m_data->m_value;
}
void setValue( double value )
{
m_data->m_value = value;
}
// operator== is used for symbolics
bool equals( const Variable& other )
{
return m_data == other.m_data;
}
private:
class VariableData : public SharedData
{
public:
VariableData( const std::string& name, Context* context ) :
SharedData(),
m_name( name ),
m_context( context ),
m_value( 0.0 ) {}
VariableData( const char* name, Context* context ) :
SharedData(),
m_name( name ),
m_context( context ),
m_value( 0.0 ) {}
~VariableData() {}
std::string m_name;
std::auto_ptr<Context> m_context;
double m_value;
private:
VariableData( const VariableData& other );
VariableData& operator=( const VariableData& other );
};
SharedDataPtr<VariableData> m_data;
friend bool operator<( const Variable& lhs, const Variable& rhs )
{
return lhs.m_data < rhs.m_data;
}
};
} // namespace kiwi
|
