mirror of https://github.com/cutefishos/calculator
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
/* Copyright (C) 2004 Ariya Hidayat <ariya@kde.org>
|
|
|
|
This program 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 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program 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 this program; see the file COPYING. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
|
|
#ifndef FUNCTIONS
|
|
#define FUNCTIONS
|
|
|
|
#include <QStringList>
|
|
#include <QVector>
|
|
#include "hmath.h"
|
|
|
|
class Function;
|
|
class Evaluator;
|
|
|
|
class FunctionPrivate;
|
|
class FunctionRepositoryPrivate;
|
|
|
|
typedef QVector<HNumber> FunctionArguments;
|
|
typedef HNumber (*FunctionPtr)( const Evaluator*, Function*, const FunctionArguments& );
|
|
|
|
class Function
|
|
{
|
|
public:
|
|
Function( const QString& name, int argc, FunctionPtr ptr, const QString& desc );
|
|
Function( const QString& name, FunctionPtr ptr, const QString& desc );
|
|
~Function();
|
|
QString name() const;
|
|
QString description() const;
|
|
QString error() const;
|
|
void setError( const QString& context, const QString& error );
|
|
HNumber exec( const Evaluator*, const FunctionArguments& args );
|
|
|
|
private:
|
|
FunctionPrivate* d;
|
|
Function( const Function& );
|
|
Function& operator=( const Function& );
|
|
};
|
|
|
|
class FunctionRepository
|
|
{
|
|
public:
|
|
FunctionRepository();
|
|
~FunctionRepository();
|
|
static FunctionRepository* self();
|
|
void add( Function* function );
|
|
Function* function( const QString& name );
|
|
QStringList functionNames() const;
|
|
private:
|
|
FunctionRepositoryPrivate* d;
|
|
static FunctionRepository* s_self;
|
|
FunctionRepository( const FunctionRepository& );
|
|
FunctionRepository& operator=( const FunctionRepository& );
|
|
};
|
|
|
|
|
|
#endif // FUNCTIONS
|