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unix timestamp

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This commit is contained in:
Mario Fink 2019-05-14 18:31:19 +02:00
parent 9887381d74
commit a307da51aa
2 changed files with 75 additions and 2 deletions
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29
lib/tdm_ripper.cpp
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@ -106,6 +106,27 @@ void tdm_ripper::parse_structure()
group_id_.push_back(anode.attribute("id").value());
group_name_.push_back(anode.child_value("name"));
num_channels_group_.push_back(numchann);
// get time-stamp
pugi::xml_node insatt = anode.child("instance_attributes");
std::pair<std::string,std::string> startstop;
for ( pugi::xml_node bnode: insatt.children() )
{
assert( std::string(bnode.name()).compare("double_attribute") == 0 );
if ( std::string(bnode.attribute("name").value()).compare("Starttime") == 0 )
{
startstop.first = bnode.child_value();
}
else if ( std::string(bnode.attribute("name").value()).compare("Stoptime") == 0 )
{
startstop.second = bnode.child_value();
}
else
{
assert ( false && "unexpected attribute name" );
}
}
group_timestamp_.push_back(startstop);
}
if ( numchann == 0 ) num_empty_groups_++;
}
@ -289,8 +310,10 @@ void tdm_ripper::list_groups(std::ostream& gout, int width, int maxshow)
gout<<std::setw(width)<<"group id";
gout<<std::setw(width)<<"group name";
gout<<std::setw(width)<<"num channels";
gout<<std::setw(2*width)<<"start time";
gout<<std::setw(2*width)<<"stop time";
gout<<"\n";
gout<<std::setfill('-')<<std::setw(4*width+1)<<"\n";
gout<<std::setfill('-')<<std::setw(8*width+1)<<"\n";
gout<<std::setfill(' ');
for ( int i = 0; i < num_groups_ && i < maxshow; i++ )
@ -299,6 +322,8 @@ void tdm_ripper::list_groups(std::ostream& gout, int width, int maxshow)
gout<<std::setw(width)<<group_id_[i];
gout<<std::setw(width)<<group_name_[i];
gout<<std::setw(width)<<num_channels_group_[i];
gout<<std::setw(2*width)<<time_stamp(i,true);
gout<<std::setw(2*width)<<time_stamp(i,false);
gout<<"\n";
}
gout<<"\n\n";
@ -311,6 +336,8 @@ void tdm_ripper::list_groups(std::ostream& gout, int width, int maxshow)
gout<<std::setw(width)<<group_id_[i];
gout<<std::setw(width)<<group_name_[i];
gout<<std::setw(width)<<num_channels_group_[i];
gout<<std::setw(2*width)<<time_stamp(i,true);
gout<<std::setw(2*width)<<time_stamp(i,false);
gout<<"\n";
}
gout<<"\n\n";

48
lib/tdm_ripper.hpp
View File

@ -32,10 +32,10 @@ class tdm_ripper
int num_channels_, num_groups_;
std::vector<std::string> channel_id_, inc_id_, units_, channel_name_;
std::vector<std::string> group_id_, group_name_;
std::vector<std::pair<std::string,std::string>> group_timestamp_;
std::vector<int> num_channels_group_;
std::vector<int> channels_group_;
std::vector<int> channel_ext_;
// evtl. get group time_stamp of .tdm file in the unix format, i.e. #seconds since 01.01.0000 with average year having 365+97/400 = 365.2425 days
// minimum/maximum value in particular channel (is provided in .tdm file as float)
std::vector<std::pair<double,double>> minmax_;
@ -248,6 +248,52 @@ public:
}
}
// evtl. get group time_stamp of .tdm file given in unix format
std::string unix_timestamp(std::string unixts)
{
// average year of Gregorian calender
const double avgdaysofyear = 365 + 1./4 - 1./100 + 1./400;
// std::tm epochStart = {};
// epochStart.tm_sec = 0;
// epochStart.tm_min = 0;
// epochStart.tm_hour = 0;
// epochStart.tm_mday = 1;
// epochStart.tm_mon = 0;
// epochStart.tm_year = 2040;
// epochStart.tm_wday = 0;
// epochStart.tm_yday = 0;
// epochStart.tm_isdst = -1;
// std::time_t epochtst = std::mktime(&epochStart);
// convert string to long int = number of second since 0000/01/01 00:00
long int ts = atol(unixts.c_str());
// int year = (int)floor((double)ts/(avgdaysofyear*86400));
// int month = (int)floor((ts-year*avgdaysofyear*86400)/(30*86400));
// int day = (int)floor((ts-year*avgdaysofyear*86400-month*30*86400)/86400);
// int daysec = ts-year*avgdaysofyear*86400-month*30*86400-day*86400;
// int hour = (int)floor(daysec/3600.);
// int mins = (int)floor((daysec-hour*3600)/60.);
// int secs = (int)floor((daysec-hour*3600-mins*60));
// return std::to_string(year)+"-"+std::to_string(month)+"-"+std::to_string(day)
// +" "+std::to_string(hour)+":"+std::to_string(mins)+":"+std::to_string(secs);
// use STL to convert timestamp
// std::time_t tstime = std::time_t(ts)-epochtst;
std::time_t tstime = ts - 1970*avgdaysofyear*86400;
return std::ctime(&tstime);
}
std::string time_stamp(int groupid, bool startstop = true)
{
assert( groupid >= 0 && groupid < num_groups_ );
return startstop ? unix_timestamp(group_timestamp_[groupid].first)
: unix_timestamp(group_timestamp_[groupid].second);
}
void list_datatypes();
// convert array of chars to single integer or floating point double