Files
openfoam/src/OpenFOAM/db/runTimeSelection/memberFunctions/memberFunctionSelectionTables.H
2011-02-28 16:39:35 +01:00

259 lines
14 KiB
C++

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2004-2011 OpenCFD Ltd.
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM 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 General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
Class
Foam::memberFunctionSelectionTables
Description
Macros to enable the easy declaration of member function selection tables.
\*---------------------------------------------------------------------------*/
#include "token.H"
#ifndef memberFunctionSelectionTables_H
#define memberFunctionSelectionTables_H
#include "HashTable.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// external use:
// ~~~~~~~~~~~~~
// declare a run-time selection:
#define declareMemberFunctionSelectionTable\
(returnType,baseType,memberFunction,argNames,argList,parList) \
\
/* Construct from argList function pointer type */ \
typedef returnType (*memberFunction##argNames##MemberFunctionPtr)argList; \
\
/* Construct from argList function table type */ \
typedef HashTable \
<memberFunction##argNames##MemberFunctionPtr, word, string::hash> \
memberFunction##argNames##MemberFunctionTable; \
\
/* Construct from argList function pointer table pointer */ \
static memberFunction##argNames##MemberFunctionTable* \
memberFunction##argNames##MemberFunctionTablePtr_; \
\
/* Class to add constructor from argList to table */ \
template<class baseType##Type> \
class add##memberFunction##argNames##MemberFunctionToTable \
{ \
public: \
\
add##memberFunction##argNames##MemberFunctionToTable \
( \
const word& lookup = baseType##Type::typeName \
) \
{ \
construct##memberFunction##argNames##MemberFunctionTables(); \
memberFunction##argNames##MemberFunctionTablePtr_->insert \
( \
lookup, \
baseType##Type::memberFunction \
); \
} \
\
~add##memberFunction##argNames##MemberFunctionToTable() \
{ \
destroy##memberFunction##argNames##MemberFunctionTables(); \
} \
}; \
\
/* Table memberFunction called from the table add function */ \
static void construct##memberFunction##argNames##MemberFunctionTables(); \
\
/* Table destructor called from the table add function destructor */ \
static void destroy##memberFunction##argNames##MemberFunctionTables()
// internal use:
// constructor aid
#define defineMemberFunctionSelectionTableMemberFunction\
(baseType,memberFunction,argNames) \
\
/* Table memberFunction called from the table add function */ \
void baseType::construct##memberFunction##argNames##MemberFunctionTables()\
{ \
static bool constructed = false; \
if (!constructed) \
{ \
constructed = true; \
baseType::memberFunction##argNames##MemberFunctionTablePtr_ \
= new baseType::memberFunction##argNames##MemberFunctionTable;\
} \
}
// internal use:
// destructor aid
#define defineMemberFunctionSelectionTableDestructor\
(baseType,memberFunction,argNames) \
\
/* Table destructor called from the table add function destructor */ \
void baseType::destroy##memberFunction##argNames##MemberFunctionTables() \
{ \
if (baseType::memberFunction##argNames##MemberFunctionTablePtr_) \
{ \
delete baseType::memberFunction##argNames##MemberFunctionTablePtr_;\
baseType::memberFunction##argNames##MemberFunctionTablePtr_ = NULL;\
} \
}
// internal use:
// create pointer to hash-table of functions
#define defineMemberFunctionSelectionTablePtr\
(baseType,memberFunction,argNames) \
\
/* Define the memberFunction table */ \
baseType::memberFunction##argNames##MemberFunctionTable* \
baseType::memberFunction##argNames##MemberFunctionTablePtr_ = NULL
// not much in use:
#define defineTemplateMemberFunctionSelectionTablePtr\
(baseType,memberFunction,argNames) \
\
/* Define the memberFunction table */ \
typename baseType::memberFunction##argNames##MemberFunctionTable* \
baseType::memberFunction##argNames##MemberFunctionTablePtr_ = NULL
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// external use:
// ~~~~~~~~~~~~~
// define run-time selection table
#define defineMemberFunctionSelectionTable\
(baseType,memberFunction,argNames) \
\
defineMemberFunctionSelectionTablePtr \
(baseType,memberFunction,argNames); \
defineMemberFunctionSelectionTableMemberFunction \
(baseType,memberFunction,argNames) \
defineMemberFunctionSelectionTableDestructor \
(baseType,memberFunction,argNames)
// external use:
// ~~~~~~~~~~~~~
// define run-time selection table for template classes
// use when baseType doesn't need a template argument (eg, is a typedef)
#define defineTemplateMemberFunctionSelectionTable\
(baseType,memberFunction,argNames) \
\
template<> \
defineMemberFunctionSelectionTablePtr \
(baseType,memberFunction,argNames); \
template<> \
defineMemberFunctionSelectionTableMemberFunction \
(baseType,memberFunction,argNames) \
template<> \
defineMemberFunctionSelectionTableDestructor \
(baseType,memberFunction,argNames)
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// internal use:
// constructor aid
// use when baseType requires the Targ template argument
#define defineTemplatedMemberFunctionSelectionTableMemberFunction\
(baseType,memberFunction,argNames,Targ) \
\
/* Table memberFunction called from the table add function */ \
void baseType<Targ>::construct##memberFunction##argNames## \
MemberFunctionTables() \
{ \
static bool constructed = false; \
if (!constructed) \
{ \
constructed = true; \
baseType<Targ>::memberFunction##argNames##MemberFunctionTablePtr_ \
= new baseType<Targ>::memberFunction##argNames## \
MemberFunctionTable; \
} \
}
// internal use:
// destructor aid
// use when baseType requires the Targ template argument
#define defineTemplatedMemberFunctionSelectionTableDestructor\
(baseType,memberFunction,argNames,Targ) \
\
/* Table destructor called from the table add function destructor */ \
void baseType<Targ>::destroy##memberFunction##argNames## \
MemberFunctionTables() \
{ \
if \
( \
baseType<Targ>::memberFunction##argNames##MemberFunctionTablePtr_ \
) \
{ \
delete baseType<Targ>::memberFunction##argNames## \
MemberFunctionTablePtr_; \
baseType<Targ>::memberFunction##argNames## \
MemberFunctionTablePtr_ = NULL; \
} \
}
// internal use:
// create pointer to hash-table of functions
// use when baseType requires the Targ template argument
#define defineTemplatedMemberFunctionSelectionTablePtr\
(baseType,memberFunction,argNames,Targ) \
\
/* Define the memberFunction table */ \
baseType<Targ>::memberFunction##argNames##MemberFunctionTable* \
baseType<Targ>::memberFunction##argNames##MemberFunctionTablePtr_ = NULL
// external use:
// ~~~~~~~~~~~~~
// define run-time selection table for template classes
// use when baseType requires the Targ template argument
#define defineTemplatedMemberFunctionSelectionTable\
(baseType,memberFunction,argNames,Targ) \
\
template<> \
defineTemplatedMemberFunctionSelectionTablePtr \
(baseType,memberFunction,argNames,Targ); \
template<> \
defineTemplatedMemberFunctionSelectionTableMemberFunction \
(baseType,memberFunction,argNames,Targ) \
template<> \
defineTemplatedMemberFunctionSelectionTableDestructor \
(baseType,memberFunction,argNames,Targ)
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //