time.cpp

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#define _OksBuildDll_
 
#include "oks/defs.hpp"
#include "oks_utils.hpp"
 
#include <stdlib.h>
#include <time.h>
 
#include <iomanip>
#include <sstream>
 
namespace dunedaq {
namespace oks {
 
    //
    // The method converts string 's' to time
    // It is expected that the 's' is in the
    // following format: dd/mm/[yy]yy hh:mm[:ss]
    //
 
void
Date::set(const char * s)
{
  p_tm.tm_sec = p_tm.tm_min = p_tm.tm_hour = p_tm.tm_mday = p_tm.tm_mon = p_tm.tm_year = 0;
 
  if(s == 0) return;
 
    // skip leading spaces
 
  while(*s == ' ') ++s;
 
 
  const char * s2 = s;  // original time used in error reports
  char * nds = 0;   // non-digit symbol returned by strtol
 
 
    // find the day
  
  p_tm.tm_mday = strtol(s, &nds, 10);
  
  if(*nds != '/') {
    Oks::error_msg("oks::Time::Time()") << "failed to find the day in \'" << s2 << "\'\n";
    return;
  }
  else
    s = nds + 1;
  
  if(p_tm.tm_mday > 31 || p_tm.tm_mday == 0) {
    Oks::error_msg("oks::Time::Time()") << "bad day " << p_tm.tm_mday << " in \'" << s2 << "\'\n";
    return;
  }
 
 
    // find the month
 
  p_tm.tm_mon = strtol(s, &nds, 10);
 
  if(*nds != '/') {
    Oks::error_msg("oks::Time::Time()") << "failed to find the month in \'" << s2 << "\'\n";
    return;
  }
  else
    s = nds + 1;
 
  if(p_tm.tm_mon > 12 || p_tm.tm_mon == 0) {
    Oks::error_msg("oks::Time::Time()") << "bad month " << p_tm.tm_mon << " in \'" << s2 << "\'\n";
    return;
  }
 
  p_tm.tm_mon--;
 
 
    // find the year
 
  p_tm.tm_year = strtol(s, &nds, 10);
 
  if(p_tm.tm_year >= 0) {
    if(p_tm.tm_year < 70) p_tm.tm_year += 2000;
    else if(p_tm.tm_year < 100) p_tm.tm_year += 1900;
  }
 
    // check if there is no data anymore
 
  if(*nds == 0) return;
 
  s = nds;
 
 
    // skip spaces
 
  while(*s == ' ') ++s;
  if(*s == 0) return;
 
 
    // find the hour
 
  p_tm.tm_hour = strtol(s, &nds, 10);
 
  if(*nds != ':') {
    Oks::error_msg("oks::Time::Time()") << "failed to find the hour in \'" << s2 << "\'\n";
    return;
  }
  else
    s = nds + 1;
 
  if(p_tm.tm_hour > 23) {
    Oks::error_msg("oks::Time::Time()") << "bad hour " << p_tm.tm_hour << " in \'" << s2 << "\'\n";
    return;
  }
 
 
    // find the minute
 
  p_tm.tm_min = strtol(s, &nds, 10);
 
  if(p_tm.tm_min > 59) {
    Oks::error_msg("oks::Time::Time()") << "bad minute " << p_tm.tm_min << " in \'" << s2 << "\'\n";
    return;
  }
 
  if(*nds != ':') return;
 
 
    // find the second
 
  p_tm.tm_sec = strtol(nds + 1, &nds, 10);
 
  if(p_tm.tm_sec > 59) {
    Oks::error_msg("oks::Time::Time()") << "bad second " << p_tm.tm_sec << " in \'" << s2 << "\'\n";
    return;
  }
}
 
 
std::string
Date::str() const
{
  std::ostringstream s;
 
  s << p_tm.tm_mday << '/' << (p_tm.tm_mon + 1) << '/' << std::setfill('0') << std::setw(2)
    << ((p_tm.tm_year < 1970 || p_tm.tm_year >= 2070) ? p_tm.tm_year : (p_tm.tm_year < 2000 ? (p_tm.tm_year - 1900) : (p_tm.tm_year - 2000)));
 
  return s.str();
}
 
std::string
Time::str() const
{
  std::string ds = Date::str();
 
  std::ostringstream s;
 
  s << ds << std::setfill('0')
    << ' ' << std::setw(2) << p_tm.tm_hour
    << ':' << std::setw(2) << p_tm.tm_min
    << ':' << std::setw(2) << p_tm.tm_sec;
 
  return s.str();
}
 
 
std::ostream& operator<<(std::ostream& s, const Date& d)
{
  std::string str = d.str();
  s << str;
  return s;
}
 
 
std::ostream& operator<<(std::ostream& s, const Time& t)
{
  std::string str = t.str();
  s << str;
  return s;
}
 
 
std::string Oks::Tokenizer::s_empty;
 
Oks::Tokenizer::Tokenizer(const std::string& s, const char * d) :
  p_string(s),
  p_delimeters(d),
  p_idx(p_string.find_first_not_of(p_delimeters))
{
}
 
const std::string
Oks::Tokenizer::next()
{
  if(p_idx == std::string::npos) return s_empty;
  std::string::size_type end_idx = p_string.find_first_of(p_delimeters, p_idx);
  if(end_idx == std::string::npos) end_idx=p_string.length();
  std::string token = p_string.substr(p_idx, end_idx - p_idx);
  p_idx = p_string.find_first_not_of(p_delimeters, end_idx);
  return token;
}
 
bool
Oks::Tokenizer::next(std::string& token)
{
  if(p_idx == std::string::npos) {
    token.clear();
    return false;
  }
 
  std::string::size_type end_idx = p_string.find_first_of(p_delimeters, p_idx);
  if(end_idx == std::string::npos) end_idx=p_string.length();
  token.assign(p_string, p_idx, end_idx - p_idx);
  p_idx = p_string.find_first_not_of(p_delimeters, end_idx);
  return true;
}
 
} // namespace oks
} // namespace dunedaq