162 lines
4.4 KiB
C++
162 lines
4.4 KiB
C++
/***************************************************************************
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* Copyright (c) 2009 Werner Mayer <wmayer[at]users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef BASE_TOOLS_H
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#define BASE_TOOLS_H
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#include <functional>
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#include <algorithm>
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#include <cmath>
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#include <iostream>
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#include <vector>
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#include <string>
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namespace Base
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{
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template <class T>
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struct iotaGen
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{
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public:
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T operator()() { return n++; }
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iotaGen(T v) : n(v) {}
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private:
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T n;
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};
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// ----------------------------------------------------------------------------
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template <class T>
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class manipulator
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{
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T i_;
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std::ostream& (*f_)(std::ostream&, T);
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public:
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manipulator(std::ostream& (*f)(std::ostream&, T), T i) : i_(i), f_(f)
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{
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}
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friend std::ostream& operator<<( std::ostream& os, manipulator m)
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{
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return m.f_(os, m.i_);
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}
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};
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inline std::ostream& tabsN(std::ostream& os, int n)
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{
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for (int i=0;i<n;i++)
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os << "\t";
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return os;
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}
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inline std::ostream& blanksN(std::ostream& os, int n)
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{
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for (int i=0;i<n;i++)
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os << " ";
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return os;
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}
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inline manipulator<int> tabs(int n)
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{
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return manipulator<int>(&tabsN, n);
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}
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inline manipulator<int> blanks(int n)
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{
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return manipulator<int>(&blanksN, n);
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}
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// ----------------------------------------------------------------------------
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template<class T>
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inline T clamp (T num, T lower, T upper)
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{
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return std::max<T>(std::min<T>(upper,num),lower);
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}
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template<class T>
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inline T sgn (T t)
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{
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if (t == 0)
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return T(0);
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else
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return (t > 0) ? T(1) : T(-1);
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}
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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template<class T>
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inline T toRadians(T d)
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{
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return static_cast<T>((d*M_PI)/180.0);
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}
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template<class T>
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inline T toDegrees(T r)
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{
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return static_cast<T>((r/M_PI)*180.0);
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}
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template<class T>
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inline T fmod(T numerator, T denominator)
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{
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T modulo = std::fmod(numerator, denominator);
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return (modulo >= T(0)) ? modulo : modulo + denominator;
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}
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// ----------------------------------------------------------------------------
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class BaseExport StopWatch
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{
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public:
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StopWatch();
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~StopWatch();
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void start();
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int elapsed();
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std::string toString(int ms) const;
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private:
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struct Private;
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Private* d;
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};
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// ----------------------------------------------------------------------------
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struct BaseExport Tools
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{
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static std::string getUniqueName(const std::string&, const std::vector<std::string>&,int d=0);
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static std::string addNumber(const std::string&, unsigned int, int d=0);
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static std::string getIdentifier(const std::string&);
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static std::wstring widen(const std::string& str);
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static std::string narrow(const std::wstring& str);
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static std::string escapedUnicodeFromUtf8(const char *s);
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};
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} // namespace Base
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#endif // BASE_TOOLS_H
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