DwmTimeValue.hh

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//===========================================================================
// @(#) $DwmPath$
//===========================================================================
//  Copyright (c) Daniel W. McRobb 2005-2007, 2016, 2024
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//     endorse or promote products derived from this software without
//     specific prior written permission.
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//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
 
#ifndef _DWMTIMEVALUE_HH_
#define _DWMTIMEVALUE_HH_
 
extern "C" {
  #include <sys/types.h>
  #include <sys/time.h>
#if ((! __APPLE__) && (! __linux__))
  #include <sys/timespec.h>
#endif
  #include <sys/uio.h>
  #include <unistd.h>
  #include <bzlib.h>
  #include <zlib.h>
}
 
#include <cstdint>
#include <cstdio>
#include <ctime>
#include <iostream>
 
namespace Dwm {
 
  //--------------------------------------------------------------------------
  //--------------------------------------------------------------------------
  class TimeValue
  {
  public:
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    TimeValue(bool setNow = false);
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    TimeValue(const struct timeval & tv);
 
    TimeValue(const struct timespec & ts);
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    TimeValue(uint32_t secs, uint32_t usecs);
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    void SetNow();
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    void Set(const struct timeval & tv);
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    void Set(uint32_t secs, uint32_t usecs);
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    uint32_t Secs() const;
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    uint32_t Usecs() const;
    
    struct tm LocalTime() const;
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    bool operator < (const TimeValue & tv) const;
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    bool operator <= (const TimeValue & tv) const;
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    bool operator > (const TimeValue & tv) const;
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    bool operator >= (const TimeValue & tv) const;
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    bool operator == (const TimeValue & tv) const;
 
    TimeValue & operator += (const TimeValue & tv);
    TimeValue & operator -= (const TimeValue & tv);
    TimeValue & operator *= (uint32_t x);
    TimeValue & operator /= (uint32_t x);
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    uint64_t StreamedLength() const;
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    std::istream & Read(std::istream & is);
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    std::ostream & Write(std::ostream & os) const;
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    size_t Read(FILE *f);
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    size_t Write(FILE *f) const;
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    ssize_t Read(int fd);
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    ssize_t Write(int fd) const;
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int Read(gzFile gzf);
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int Write(gzFile gzf) const;
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int BZRead(BZFILE *bzf);
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int BZWrite(BZFILE *bzf) const;
 
    //--------------------------------------------------------------------
    //--------------------------------------------------------------------
    operator double () const;
    
  private:
    uint32_t  _secs;
    uint32_t  _usecs;
  };
  
}  // namespace Dwm
 
Dwm::TimeValue operator + (const Dwm::TimeValue & tv1,
                           const Dwm::TimeValue & tv2);
Dwm::TimeValue operator - (const Dwm::TimeValue & tv1,
                           const Dwm::TimeValue & tv2);
 
#endif  // _DWMTIMEVALUE_HH_
 
//---------------------------- emacs settings -----------------------------
//  Local Variables:
//  mode: C++
//  tab-width: 2
//  indent-tabs-mode: nil
//  c-basic-offset: 2
//  End:
//-------------------------------------------------------------------------