Head.hh File Reference

#include "km3net-dataformat/offline/Vec.hh"
#include "km3net-dataformat/offline/Exception.hh"
#include "TObject.h"
#include <string>
#include <sstream>
#include <iostream>
#include <map>
#include <algorithm>
#include <vector>

Go to the source code of this file.

Classes
struct	Head
	The Head class reflects the header of Monte-Carlo event files, which consists of keys (also referred to as "tags") and values. More...
struct	Head::tags

Functions
static void	trimstring (std::string &s)
	Trim a string in place. More...
std::vector< std::string >	splitstring (const std::string &str, char delim= ' ')
	Split string at delimiter. More...
std::ostream &	operator<< (std::ostream &out, const Head &h)
	Print header. More...

Function Documentation

static void trimstring ( std::string &  s )

inlinestatic

Trim a string in place.

Parameters

s	input string

Returns

list of tokens

Definition at line 23 of file Head.hh.

{
  // from the left
  s.erase( s.begin(), std::find_if(s.begin(), s.end(), [](int ch) {
    return !std::isspace(ch);
  }));

  // from the right
  s.erase(std::find_if(s.rbegin(), s.rend(), [](int ch) {
    return !std::isspace(ch);
  }).base(), s.end());
}

std::vector<std::string> splitstring ( const std::string &  str, char  delim = ' '  )

inline

Split string at delimiter.

Trailing and leading whitespace is removed from each token. Empty tokens are not put in the output list.

Parameters

str	input string
delim	token delimiter

Returns

list of tokens

Definition at line 44 of file Head.hh.

{
  using namespace std;

  vector<string> r;

  stringstream ss(str);
  string token;
  while (getline(ss, token, delim))
  {
    trimstring(token);
    if (token != "") r.push_back(token);
  }

  return r;
}

std::ostream& operator<< ( std::ostream &  out, const Head &  h  )

inline

Print header.

Parameters

out	output stream
h	header

Returns

output stream

Definition at line 442 of file Head.hh.

{
  h.print(out);
  return out;
}