---

XANAConfigParser.h

Go to the documentation of this file.

// XANAConfigParser.h
//
// A class representing the configuration of the analysis program,
// gathered from the configuration file and the command line
//
// last change : $Date: 2004/02/17 13:48:02 $
// by          : $Author: koblitz $
//

#ifndef XANACONFIGPARSER_H
#define XANACONFIGPARSER_H

#include "XANADOO/XANAConfig/interface/XANAConfigFileLine.h"
#include "TROOT.h"
#include "TObject.h"

#include <stdio.h>
#include <stdexcept>
#include <vector>
#include <iostream>

class XANAConfigParser: public TObject {
 public:


  FILE *config_file;

  // Constructor which does basically nothing
  XANAConfigParser();

  // Initialize configuration using the command line arguments
  bool init(const char *fileName=0);

  // Destructor: Deletes the entries in the list of configuration file lines
  virtual ~XANAConfigParser();

  // Append the option name of another ConfigFileLine as value
  void appendLine(XANAConfigFileLine *line);
  
  // Deletes a line from the already parsed configuration file lines
  bool deleteLine(const char *name, const char *scope=0);

  // Override an option
  bool overrideOption(const char *name, std::list<std::string> &values,
                      const char *scope=0);

  // Is this option defined?
  bool isDefined(const char *name) const;

  // Read Integer Option
  int readIntOption(const char *name) const throw(const char *);

  // Read Double Option
  double readDoubleOption(const char *name) const throw(const char *);

  // Read Integer Option
  const char *readStringOption(const char *name) const throw(const char *);
  
  // Read Integer List Option
  std::vector<int> readIntListOption(const char *name) const throw(const char *);

  // Read Double List Option
  std::vector<double> readDoubleListOption(const char *name) 
    const throw(const char *);
  
  // Read String List Option
  const std::list<std::string> readStringListOption(const char *name)
    const throw(const char *);



  // The following versions are to be used together with RootCINT

  int getOptionListSize(const char *name) const{
    std::string s(name);
    LineIterator I=configLines.begin();
    while (I != configLines.end()) {
      if((*I)->isOption(s)){
        return (*I)->getValues().size();
      }
      I++;
    }
    return 0;
  }


  bool readIntOption(const char *name, int &value, int entry=0) const{
    value=0;
    if(entry>=getOptionListSize(name)) return false;
    value=readIntListOption(name)[entry];
    return true;
  }


  bool readDoubleOption(const char *name, double &value, int entry=0) const{
    value=0;
    if(entry>=getOptionListSize(name)) return false;
    value=readDoubleListOption(name)[entry];
    return true;
  }


  bool readStringOption(const char *name, const char *value, int entry=0)const{
    if(entry>=getOptionListSize(name)) return false;
    const std::list<std::string> l=readStringListOption(name);
    std::list<std::string>::const_iterator I=l.begin();
    for(int i=0; i<entry; i++) I++;
    strcpy(value, (const char *)((*I).c_str()));
    return true;
  }

  // Print all options
  void print() const;

 private:

  std::list<XANAConfigFileLine *> configLines; 
  
  typedef std::list<XANAConfigFileLine *>::const_iterator LineIterator;

  ClassDef(XANAConfigParser,0) 

};

// Do not forget to define the global variables so that rootcint
// produces the necessary stub
R__EXTERN XANAConfigParser *gConfigParser;

#endif // #ifndef XANACONFIGPARSER_H

---