FreeCAD/src/Base/UnitsApi.h
2013-12-03 19:03:12 +01:00

107 lines
3.8 KiB
C++

/***************************************************************************
* Copyright (c) 2009 Juergen Riegel (FreeCAD@juergen-riegel.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#ifndef BASE_UNITSAPI_H
#define BASE_UNITSAPI_H
// (re-)defined in pyconfig.h
#if defined (_POSIX_C_SOURCE)
# undef _POSIX_C_SOURCE
#endif
#if defined (_XOPEN_SOURCE)
# undef _XOPEN_SOURCE
#endif
#include <string>
#include <Python.h>
#include <QString>
#include "UnitsSchema.h"
#include "Quantity.h"
namespace Base {
/**
* The UnitsApi
*/
class BaseExport UnitsApi
{
public:
/** Constructs a UnitsApi object. */
UnitsApi(const char* filter);
UnitsApi(const std::string& filter);
virtual ~UnitsApi();
/** set Schema
* set the UnitsSchema of the Application
* this a represented by a class of type UnitSchema which
* defines a set of standard units for that schema and rules
* for representative strings.
*/
static void setSchema(UnitSystem s);
static QString schemaTranslate(Base::Quantity quant,double &factor=defaultFactor,QString &unitString=QString());
/// generate a value for a quantity with default user prefered system
static double toDbl(PyObject *ArgObj,const Base::Unit &u=Base::Unit());
/// generate a value for a quantity with default user prefered system
static Quantity toQuantity(PyObject *ArgObj,const Base::Unit &u=Base::Unit());
// set the number of decimals
static void setDecimals(int);
// fet the number of decimals
static int getDecimals();
/// set the application defaults
//static void setDefaults(void);
//@}
//double Result;
// Python interface
static PyMethodDef Methods[];
static double defaultFactor;
protected:
// not used at the moment
static UnitsSchema * UserPrefSystem;
/// number of decimals for floats
static int UserPrefDecimals;
// do the real work
//static double parse(const char*,bool &UsedUnit);
protected: // the python API wrapper methodes
//static PyObject *sTranslateUnit (PyObject *self,PyObject *args,PyObject *kwd);
//static PyObject *sGetWithPrefs (PyObject *self,PyObject *args,PyObject *kwd);
static PyObject *sParseQuantity (PyObject *self,PyObject *args,PyObject *kwd);
};
} // namespace Base
#endif // BASE_UNITSAPI_H