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Documentation of serialization, utils/eoTimer and eoPopEvalFunc.

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Benjamin Bouvier 2012-07-12 13:56:54 +02:00
commit 60fff427fe
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eo/src/serial/Array.h
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@ -1,148 +1,169 @@
/*
(c) Thales group, 2012
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation;
version 2 of the License.
This library 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. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: http://eodev.sourceforge.net
Authors:
Benjamin Bouvier <benjamin.bouvier@gmail.com>
*/
# ifndef __EOSERIAL_ARRAY_H__
# define __EOSERIAL_ARRAY_H__
# include <vector>
# include <iostream>
# include "Entity.h"
# include "Serializable.h"
# include "Object.h"
# include "String.h"
namespace eoserial
{
// Forward declaration for below declarations.
class Array;
/*
* Declarations of functions present in Utils.h
* These are put here to avoid instead of including the file Utils.h, which would
* cause a circular inclusion.
*/
template< class T >
void unpack( const Array & array, unsigned int index, T & value );
void unpackObject( const Array & array, unsigned int index, Persistent & value );
template< class Container, template<class> class UnpackAlgorithm >
void unpackArray( const Array & array, unsigned int index, Container & container );
/**
* @brief Represents a JSON array.
*
* Wrapper for an array, so as to be used as a JSON object.
*/
class Array : public eoserial::Entity, public std::vector< eoserial::Entity* >
{
protected:
typedef std::vector< eoserial::Entity* > ArrayChildren;
public:
/**
* @brief Adds the serializable object as a JSON object.
* @param obj Object which implemnets JsonSerializable.
*/
void push_back( const eoserial::Printable* obj )
{
ArrayChildren::push_back( obj->pack() );
}
/**
* @brief Proxy for vector::push_back.
*/
void push_back( eoserial::Entity* json )
{
ArrayChildren::push_back( json );
}
/**
* @brief Prints the JSON array into the given stream.
* @param out The stream
*/
virtual std::ostream& print( std::ostream& out ) const;
/**
* @brief Dtor
*/
~Array();
// Forward declaration for below declarations.
class Array;
/*
* The following parts allows the user to automatically deserialize an eoserial::Array into a
* standard container, by giving the algorithm which will be used to deserialize contained entities.
* Declarations of functions present in Utils.h
* These are put here to avoid instead of including the file Utils.h, which would
* cause a circular inclusion.
*/
template< class T >
void unpack( const Array & array, unsigned int index, T & value );
void unpackObject( const Array & array, unsigned int index, Persistent & value );
template< class Container, template<class> class UnpackAlgorithm >
void unpackArray( const Array & array, unsigned int index, Container & container );
/**
* @brief Functor which determines how to retrieve the real value contained in a eoserial::Entity at
* a given place.
* @brief Represents a JSON array.
*
* It will be applied for each contained variable in the array.
* Wrapper for an array, so as to be used as a JSON object.
*
* @ingroup Serialization
*/
template<class Container>
struct BaseAlgorithm
class Array : public eoserial::Entity, public std::vector< eoserial::Entity* >
{
/**
* @brief Main operator.
*
* @param array The eoserial::Array from which we're reading.
* @param i The index of the contained value.
* @param container The standard (STL) container in which we'll push back the read value.
*/
virtual void operator()( const eoserial::Array& array, unsigned int i, Container & container ) const = 0;
protected:
typedef std::vector< eoserial::Entity* > ArrayChildren;
public:
/**
* @brief Adds the serializable object as a JSON object.
* @param obj Object which implemnets JsonSerializable.
*/
void push_back( const eoserial::Printable* obj )
{
ArrayChildren::push_back( obj->pack() );
}
/**
* @brief Proxy for vector::push_back.
*/
void push_back( eoserial::Entity* json )
{
ArrayChildren::push_back( json );
}
/**
* @brief Prints the JSON array into the given stream.
* @param out The stream
*/
virtual std::ostream& print( std::ostream& out ) const;
/**
* @brief Dtor
*/
~Array();
/*
* The following parts allows the user to automatically deserialize an eoserial::Array into a
* standard container, by giving the algorithm which will be used to deserialize contained entities.
*/
/**
* @brief Functor which determines how to retrieve the real value contained in a eoserial::Entity at
* a given place.
*
* It will be applied for each contained variable in the array.
*/
template<class Container>
struct BaseAlgorithm
{
/**
* @brief Main operator.
*
* @param array The eoserial::Array from which we're reading.
* @param i The index of the contained value.
* @param container The standard (STL) container in which we'll push back the read value.
*/
virtual void operator()( const eoserial::Array& array, unsigned int i, Container & container ) const = 0;
};
/**
* @brief BaseAlgorithm for retrieving primitive variables.
*
* This one should be used to retrieve primitive (and types which implement operator>>) variables, for instance
* int, double, std::string, etc...
*/
template<typename C>
struct UnpackAlgorithm : public BaseAlgorithm<C>
{
void operator()( const eoserial::Array& array, unsigned int i, C & container ) const
{
typename C::value_type t;
unpack( array, i, t );
container.push_back( t );
}
};
/**
* @brief BaseAlgorithm for retrieving eoserial::Persistent objects.
*
* This one should be used to retrieve objects which implement eoserial::Persistent.
*/
template<typename C>
struct UnpackObjectAlgorithm : public BaseAlgorithm<C>
{
void operator()( const eoserial::Array& array, unsigned int i, C & container ) const
{
typename C::value_type t;
unpackObject( array, i, t );
container.push_back( t );
}
};
/**
* @brief General algorithm for array deserialization.
*
* Applies the BaseAlgorithm to each contained variable in the eoserial::Array.
*/
template<class Container, template<class T> class UnpackAlgorithm>
inline void deserialize( Container & array )
{
UnpackAlgorithm< Container > algo;
for( unsigned int i = 0, size = this->size();
i < size;
++i)
{
algo( *this, i, array );
}
}
};
/**
* @brief BaseAlgorithm for retrieving primitive variables.
*
* This one should be used to retrieve primitive (and types which implement operator>>) variables, for instance
* int, double, std::string, etc...
*/
template<typename C>
struct UnpackAlgorithm : public BaseAlgorithm<C>
{
void operator()( const eoserial::Array& array, unsigned int i, C & container ) const
{
typename C::value_type t;
unpack( array, i, t );
container.push_back( t );
}
};
/**
* @brief BaseAlgorithm for retrieving eoserial::Persistent objects.
*
* This one should be used to retrieve objects which implement eoserial::Persistent.
*/
template<typename C>
struct UnpackObjectAlgorithm : public BaseAlgorithm<C>
{
void operator()( const eoserial::Array& array, unsigned int i, C & container ) const
{
typename C::value_type t;
unpackObject( array, i, t );
container.push_back( t );
}
};
/**
* @brief General algorithm for array deserialization.
*
* Applies the BaseAlgorithm to each contained variable in the eoserial::Array.
*/
template<class Container, template<class T> class UnpackAlgorithm>
inline void deserialize( Container & array )
{
UnpackAlgorithm< Container > algo;
for( unsigned int i = 0, size = this->size();
i < size;
++i)
{
algo( *this, i, array );
}
}
};
} // namespace eoserial
# endif // __EOSERIAL_ARRAY_H__