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 102 of file Defaults_Text.cc.

Constructor & Destructor Documentation

Defaults_Textrep() [1/2]

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 173 of file Defaults_Text.cc.

  {
    read_file(file);
  }

References FrontierConditions_GlobalTag_cff::file, and read_file().

Defaults_Textrep() [2/2]

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 187 of file Defaults_Text.cc.

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

References dir2webdir::argc, cmsBatch::argv, FrontierConditions_GlobalTag_cff::file, process_args(), and read_file().

Member Function Documentation

doline()

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 290 of file Defaults_Text.cc.

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

References _map, beam_dqm_sourceclient-live_cfg::cerr, cmsLHEtoEOSManager::l, Skims_PA_cff::name, AlCaHLTBitMon_QueryRunRegistry::string, digitizers_cfi::strip, and heppy_batch::val.

Referenced by process_args(), and read_file().

get_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 265 of file Defaults_Text.cc.

  {
    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;
  }

References beam_dqm_sourceclient-live_cfg::cerr, Skims_PA_cff::name, AlCaHLTBitMon_QueryRunRegistry::string, and heppy_batch::val.

process_args()

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 230 of file Defaults_Text.cc.

  {
    // 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], '=') != nullptr)
          // 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);
      }
    }
  }

References dir2webdir::argc, cmsBatch::argv, doline(), mps_fire::i, and cmsLHEtoEOSManager::l.

Referenced by Defaults_Textrep().

read_file()

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 204 of file Defaults_Text.cc.

  {
    // Just return if we weren't given a file.
    if (file.empty())
      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();
  }

References beam_dqm_sourceclient-live_cfg::cerr, doline(), f, FrontierConditions_GlobalTag_cff::file, and cmsLHEtoEOSManager::l.

Referenced by Defaults_Textrep().

Member Data Documentation

_map

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 135 of file Defaults_Text.cc.

Referenced by doline().