hitfit::Defaults_Textrep Class Reference

The internal representation for a Defaults_Text object. More...

Public Member Functions
	Defaults_Textrep (string file)
	Constructor, construct a Defaults_Textrep instance from an ASCII text-file and command line arguments. More...
	Defaults_Textrep (string file, int argc, char **argv)
	Constructor, construct a Defaults_Textrep instance from an ASCII text-file. More...
string	get_val (string name) const

Public Attributes
std::map< std::string, std::string >	_map

Private Member Functions
void	doline (string l)
void	process_args (int argc, char **argv)
void	read_file (string file)

Detailed Description

The internal representation for a Defaults_Text object.

Definition at line 106 of file Defaults_Text.cc.

Constructor & Destructor Documentation

hitfit::Defaults_Textrep::Defaults_Textrep

(

string

file

)

Constructor, construct a Defaults_Textrep instance from an ASCII text-file and command line arguments.

Parameters

file	The name of the input ASCII file to read. See the header file for a description of the format for this and the argument list. Pass an empty string to skip reading a file.

Definition at line 179 of file Defaults_Text.cc.

References read_file().

{
  read_file (file);
}

hitfit::Defaults_Textrep::Defaults_Textrep	(	string	file,
		int	argc,
		char **	argv
	)

Constructor, construct a Defaults_Textrep instance from an ASCII text-file.

Parameters

file	The name of the input ASCII file to read. See the header file for a description of the format for this and the argument list. Pass an empty string to skip reading a file.
argc	The length of the argument list.
argv	The argument list.

Definition at line 194 of file Defaults_Text.cc.

References process_args(), and read_file().

{
  read_file (file);
  process_args (argc, argv);
}

Member Function Documentation

void hitfit::Defaults_Textrep::doline ( string  l )

private

Helper function to process a line defining a single parameter.

Parameters

l	The line to process.

Definition at line 304 of file Defaults_Text.cc.

References _map, MessageLogger_cfi::cerr, dataset::name, AlCaHLTBitMon_QueryRunRegistry::string, digi_MixPreMix_cfi::strip, and heppy_batch::val.

Referenced by process_args(), and read_file().

{
  // Strip spaces from the line and ignore it if it's blank.
  l = strip (l);
  if (l.size() == 0)
    return;

  // It must contain a `=' character.
  string::size_type pos = l.find ('=');
  if (pos == string::npos) {
    cerr << "bad defaults line " << l << "\n";
    abort ();
  }

  // Split off name and value parts.
  std::string name = strip (l.substr (0, pos));
  std::string val = strip (l.substr (pos+1));

  // Add it to the map.
  _map[name] = val;

}

string hitfit::Defaults_Textrep::get_val

(

string

name

)

const

Look up parameter name and return its value.

Parameters

name	The name of the parameter.

Return:

The value of the parameter in C++ string format.

Definition at line 277 of file Defaults_Text.cc.

References _map, MessageLogger_cfi::cerr, dataset::name, AlCaHLTBitMon_QueryRunRegistry::string, and heppy_batch::val.

Referenced by hitfit::Defaults_Text::get_bool(), hitfit::Defaults_Text::get_float(), hitfit::Defaults_Text::get_int(), and hitfit::Defaults_Text::get_string().

{

    std::string val;

    if (_map.find(name) == _map.end()) {
    cerr << "can't find default for " << name << "\n";
    abort ();
    } else {
    std::map<string,string>::const_iterator it = _map.find(name);
    val = it->second;
    }

    return val;
}

void hitfit::Defaults_Textrep::process_args ( int  argc, char **  argv  )

private

Look for additional parameter settings in the argument list argc and argv and add the content to data.

Parameters

argc	The length of the argument list.
argv	The argument list.

Definition at line 239 of file Defaults_Text.cc.

References dir2webdir::argc, doline(), i, and checklumidiff::l.

Referenced by Defaults_Textrep().

{
  // Look for arguments starting with `--'.
  for (int i=1; i < argc; i++) {
    if (argv[i][0] == '-' && argv[i][1] == '-') {

      // Found one. 
      string l;
      if (strchr (argv[i], '=') != 0)
        // It was of the form `--NAME=VALUE'.  Change to `NAME=VALUE'.
        l = argv[i] + 2;
      else if (argv[i][2] == 'n' && argv[i][3] == 'o') {
        // It was of the form `--noNAME'.  Change to `NAME=0'.
        l = argv[i] + 4;
        l += "=0";
      }
      else {
        // It was of the form `--NAME'.  Change to `NAME=1'. 
        l = argv[i] + 2;
        l += "=1";
      }

      // Process it like a line we read from a file.
      doline (l);
    }
  }
}

void hitfit::Defaults_Textrep::read_file ( string  file )

private

Read parameters from ASCII text file file and add the content to data.

Parameters

file	The ASCII text file to read.

Definition at line 212 of file Defaults_Text.cc.

References MessageLogger_cfi::cerr, doline(), f, and checklumidiff::l.

Referenced by Defaults_Textrep().

{
  // Just return if we weren't given a file.
  if (file.size() == 0)
    return;

  ifstream f (file.c_str());
  if (!f.good()) {
    cerr << "Can't open " << file << "\n";
    abort ();
  }

  string l;
  while (getline (f, l)) {
    doline (l);
  }

  f.close ();
}

Member Data Documentation

std::map<std::string,std::string> hitfit::Defaults_Textrep::_map

The data, maps from parameter names to values (which are stored as strings)

Definition at line 139 of file Defaults_Text.cc.

Referenced by doline(), hitfit::Defaults_Text::exists(), get_val(), and hitfit::operator<<().