ALIFileIn.h

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//   COCOA class header file
//Id:  ALIFileIn.h
//CAT: Model
//
//   istream class for handling the reading of files
//
//   History: v1.0
//   Pedro Arce
 
#ifndef FILEIN_H
#define FILEIN_H
 
#include <fstream>
#include <iostream>
 
#include <vector>
 
#include "Alignment/CocoaUtilities/interface/CocoaGlobals.h"
 
class ALIFileIn {
public:
  ALIFileIn(){};
  ~ALIFileIn() {}
 
private:
  ALIFileIn(const ALIstring& name) : theName(name) {}
 
public:
  // Get the only instance opening the file
  static ALIFileIn& getInstance(const ALIstring& name);
  // Get the only instance when file should be already opened
  static ALIFileIn& getInstanceOpened(const ALIstring& name);
 
  // Read a line and transform it to a vector of words
  ALIint getWordsInLine(std::vector<ALIstring>& wl);
 
  // Print out an error message indicating the line being read
  void ErrorInLine();
 
  // Access data members
  const ALIint nline() { return theLineNo[theCurrentFile]; }
 
  const ALIstring& name() { return theName; }
 
  ALIbool eof();
  void close();
 
private:
  void openNewFile(const char* filename);
 
private:
  std::vector<std::ifstream*> theFiles;
  // Number of line being read
  std::vector<ALIint> theLineNo;
  std::vector<ALIstring> theNames;
  int theCurrentFile;  // index of file being read in theFiles
 
  // private DATA MEMEBERS
  // Vector of class instances (each one identified by its name)
  static std::vector<ALIFileIn*> theInstances;
 
  ALIstring theName;
};
 
#endif