/
Tools.h
177 lines (146 loc) · 5.02 KB
/
Tools.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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
/***************************************************************************
* Copyright (c) 2009 Werner Mayer <wmayer[at]users.sourceforge.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_TOOLS_H
#define BASE_TOOLS_H
#include <functional>
#include <algorithm>
#include <cmath>
#include <iostream>
#include <vector>
#include <string>
#include <QString>
namespace Base
{
template <class T>
struct iotaGen
{
public:
T operator()() { return n++; }
iotaGen(T v) : n(v) {}
private:
T n;
};
// ----------------------------------------------------------------------------
template <class T>
class manipulator
{
T i_;
std::ostream& (*f_)(std::ostream&, T);
public:
manipulator(std::ostream& (*f)(std::ostream&, T), T i) : i_(i), f_(f)
{
}
friend std::ostream& operator<<( std::ostream& os, manipulator m)
{
return m.f_(os, m.i_);
}
};
inline std::ostream& tabsN(std::ostream& os, int n)
{
for (int i=0;i<n;i++)
os << "\t";
return os;
}
inline std::ostream& blanksN(std::ostream& os, int n)
{
for (int i=0;i<n;i++)
os << " ";
return os;
}
inline manipulator<int> tabs(int n)
{
return manipulator<int>(&tabsN, n);
}
inline manipulator<int> blanks(int n)
{
return manipulator<int>(&blanksN, n);
}
// ----------------------------------------------------------------------------
template<class T>
inline T clamp (T num, T lower, T upper)
{
return std::max<T>(std::min<T>(upper,num),lower);
}
template<class T>
inline T sgn (T t)
{
if (t == 0)
return T(0);
else
return (t > 0) ? T(1) : T(-1);
}
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
template<class T>
inline T toRadians(T d)
{
return static_cast<T>((d*M_PI)/180.0);
}
template<class T>
inline T toDegrees(T r)
{
return static_cast<T>((r/M_PI)*180.0);
}
template<class T>
inline T fmod(T numerator, T denominator)
{
T modulo = std::fmod(numerator, denominator);
return (modulo >= T(0)) ? modulo : modulo + denominator;
}
// ----------------------------------------------------------------------------
class BaseExport StopWatch
{
public:
StopWatch();
~StopWatch();
void start();
int elapsed();
std::string toString(int ms) const;
private:
struct Private;
Private* d;
};
// ----------------------------------------------------------------------------
struct BaseExport Tools
{
static std::string getUniqueName(const std::string&, const std::vector<std::string>&,int d=0);
static std::string addNumber(const std::string&, unsigned int, int d=0);
static std::string getIdentifier(const std::string&);
static std::wstring widen(const std::string& str);
static std::string narrow(const std::wstring& str);
static std::string escapedUnicodeFromUtf8(const char *s);
/**
* @brief toStdString Convert a QString into a UTF-8 encoded std::string.
* @param s String to convert.
* @return A std::string encoded as UTF-8.
*/
static inline std::string toStdString(const QString& s) { QByteArray tmp = s.toUtf8(); return std::string(tmp.constData(), tmp.size()); }
/**
* @brief fromStdString Convert a std::string encoded as UTF-8 into a QString.
* @param s std::string, expected to be UTF-8 encoded.
* @return String represented as a QString.
*/
static inline QString fromStdString(const std::string & s) { return QString::fromUtf8(s.c_str(), s.size()); }
};
} // namespace Base
#endif // BASE_TOOLS_H