/
UnitsApi.h
126 lines (105 loc) · 5.49 KB
/
UnitsApi.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
/***************************************************************************
* Copyright (c) 2009 Jürgen 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
#include <memory>
#include <QString>
#include "UnitsSchema.h"
#include "Quantity.h"
using PyObject = struct _object;
using PyMethodDef = struct PyMethodDef;
namespace Base {
using UnitsSchemaPtr = std::unique_ptr<UnitsSchema>;
/**
* The UnitsApi
*/
class BaseExport UnitsApi
{
public:
/** 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);
/// return the active schema
static UnitSystem getSchema() {
return currentSystem;
}
/// Returns a brief description of a schema
static const char* getDescription(UnitSystem);
static QString schemaTranslate(const Base::Quantity& quant, double &factor, QString &unitString);
static QString schemaTranslate(const Base::Quantity& quant) { // to satisfy GCC
double dummy1;
QString dummy2;
return UnitsApi::schemaTranslate(quant, dummy1, dummy2);
}
/** Get a number as string for a quantity of a given format.
* The string is a number in C locale (i.e. the decimal separator is always a dot) and if
* needed represented in scientific notation. The string also includes the unit of the quantity.
*/
static QString toString(const Base::Quantity& q, const QuantityFormat& f = QuantityFormat(QuantityFormat::Default));
/** Get a number as string for a quantity of a given format.
* The string is a number in C locale (i.e. the decimal separator is always a dot) and if
* needed represented in scientific notation. The string doesn't include the unit of the quantity.
*/
static QString toNumber(const Base::Quantity& q, const QuantityFormat& f = QuantityFormat(QuantityFormat::Default));
/** Get a number as string for a double of a given format.
* The string is a number in C locale (i.e. the decimal separator is always a dot) and if
* needed represented in scientific notation. The string doesn't include the unit of the quantity.
*/
static QString toNumber(double d, const QuantityFormat& f = QuantityFormat(QuantityFormat::Default));
/// generate a value for a quantity with default user preferred system
static double toDouble(PyObject* args, const Base::Unit& u = Base::Unit());
/// generate a value for a quantity with default user preferred system
static Quantity toQuantity(PyObject* args, const Base::Unit& u = Base::Unit());
// set the number of decimals
static void setDecimals(int);
// get the number of decimals
static int getDecimals();
//@}
//double Result;
//return true if the current user schema uses multiple units for length (ex. Ft/In)
static bool isMultiUnitLength();
//return true if the current user schema uses multiple units for angles (ex. DMS)
static bool isMultiUnitAngle();
// Python interface
static PyMethodDef Methods[];
/// return an instance of the given enum value
static UnitsSchemaPtr createSchema(UnitSystem s);
protected:
static UnitsSchemaPtr UserPrefSystem;
static UnitSystem currentSystem;
/// number of decimals for floats
static int UserPrefDecimals;
protected:
// the python API wrapper methods
static PyObject *sParseQuantity (PyObject *self,PyObject *args);
static PyObject *sListSchemas (PyObject *self,PyObject *args);
static PyObject *sGetSchema (PyObject *self,PyObject *args);
static PyObject *sSetSchema (PyObject *self,PyObject *args);
static PyObject *sSchemaTranslate (PyObject *self,PyObject *args);
static PyObject *sToNumber (PyObject *self,PyObject *args);
};
} // namespace Base
#endif // BASE_UNITSAPI_H