Utils Class Reference

Utility functions. More...

#include <Utils.h>

Static Public Member Functions
static std::string	date ()
	returns the date More...
static double	mpi_pi (double angle)
	returns angle between mpi and pi More...
static std::vector< std::string >	myGlob (const char *pattern)
	get all files matching pattern More...
static bool	stringMatch (const char *string, const char *pattern)
	match a string to a regexp More...

Detailed Description

Utility functions.

Author

Colin Bernet

Date

January 2006

Definition at line 16 of file Utils.h.

Member Function Documentation

string Utils::date ( )

static

returns the date

Definition at line 41 of file Utils.cc.

References recoMuon::in, mps_fire::result, and AlCaHLTBitMon_QueryRunRegistry::string.

                     {
  string date("date +%d%b%Y_%H%M%S");
  FILE *in = popen(date.c_str(), "r");
  char result[100];
  if(fscanf(in,"%s",result) != EOF) {
    return string(result);
  }
  else return string("");
}

double Utils::mpi_pi ( double  angle )

static

returns angle between mpi and pi

Definition at line 52 of file Utils.cc.

References angle(), pi, and pi2.

                                   {

  const double pi = 3.14159265358979323;
  const double pi2 = pi*2.;
  while(angle>pi) angle -= pi2;
  while(angle<-pi) angle += pi2;
  return angle;
}

vector< string > Utils::myGlob ( const char *  pattern )

static

get all files matching pattern

Definition at line 25 of file Utils.cc.

References i, NULL, and mps_update::results.

                                                 {

  glob_t globbuf;

  globbuf.gl_offs = 2;
  glob(pattern, GLOB_TILDE|GLOB_BRACE|GLOB_MARK, NULL, &globbuf);

  vector<string> results;
  for(unsigned i=0; i<globbuf.gl_pathc; i++) {
    results.push_back(globbuf.gl_pathv[i]);
  }
  
  globfree(&globbuf);
  return results;
}

bool Utils::stringMatch ( const char *  string, const char *  pattern  )

static

match a string to a regexp

Definition at line 9 of file Utils.cc.

References NULL, and mps_update::status.

                                                            {
  int    status;
  regex_t    re;
  
  if( regcomp(&re, pattern, REG_EXTENDED|REG_NOSUB) != 0 )
    return false;
  
  status = regexec(&re, str, (size_t)0, NULL, 0);
  regfree(&re);
  
  if (status != 0)
    return false;
  
  return true;
}