repositorymanager.cpp

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//----------------------------------------------
//          File: repositorymanager.cpp         
//----------------------------------------------

using namespace std;

#include<cstdlib>
#include<cstring>
#include<string>
#include<vector>

#ifndef PARAMETERSINCLUDED
#include "parameters.cpp"
#endif

#ifndef FRAMEINCLUDED
#include "frame.cpp"
#endif

#ifndef PARAMETERSINCLUDED
#include "parameters.cpp"
#endif

#define REPOSITORYMANAGERINCLUDED

class repositorymanager{
private:
        string emailid;                         // uniquely identifies the repository and is also the name of the repository directory.
        string path;                            //system path of the directory under which all the repositories are stored. 
 

public:
  
   repositorymanager() 
   {                                //default constructor
     path=(string)REP_PATH;
     emailid="";
   }

   repositorymanager(string email_id, int create=NOCREATE)
   {
     string temp_path;
     FILE* fptr;
     path=(string)REP_PATH;                // repositories/
     emailid=email_id;
     temp_path=path+emailid;
     temp_path=temp_path+(string)CODEBOOK;    //  repositories/emailidstring/rep_file.bin 
     fptr=fopen(temp_path.c_str(),"r");
     int size=0;
     if(fptr!=NULL)
       size=fseek(fptr,0L,SEEK_END);  
     if(fptr)
     {
       fclose(fptr);  
     }
     else
     {     
       if(create==CREATE)
       {
       temp_path=(string)"mkdir "+path+emailid;
       system(temp_path.c_str());
       temp_path=path+emailid;
       temp_path=temp_path+(string)CODEBOOK;
       }
       else
       {
         cerr<<"The desired repository could not be found"<<endl;
         exit(1);
       }
     }
   }
 
  string makeNewFileName(int i)
  {
    string filename; 
    string temp;
    char tmp[60];
    sprintf(tmp,"%d",i);
    filename=path +emailid+"/"+tmp+".wav";
    return filename;
  }

  vector<double> getClusterCenter(unsigned int i)
  {
    FILE* fptr;
    vector<double> a;
    string temp_path=path+emailid;
    temp_path=temp_path+(string)CODEBOOK;  
    fptr=fopen(temp_path.c_str(),"r+");
    if(fptr!=NULL)
    {
      fseek(fptr,i*sizeof(double)*MAX_DIM,SEEK_SET); 
      double b; 
      for(int j=0;j<MAX_DIM;j++)
      {
        fread((double*)&b,sizeof(double),1,fptr);
        a.push_back(b);
      }
      fclose(fptr);
    }
    else
      cout<<"You don't possess the desired repository at the appropriate location";
    return a;
  }

  int addMFCC(vector<double> mfcc)
  {
    FILE* fptr;
    double temp_param;
    string temp_path;
    temp_path=path+emailid+(string)CODEBOOK;
    fptr=fopen(temp_path.c_str(),"a+");
    int bytes;
    for(int j=0;j<MAX_DIM;j++)
    {
      temp_param=mfcc[j];
      bytes=fwrite((double*)&temp_param,sizeof(double),1,fptr);
    }
    fclose(fptr);
    return SUCCESS;
  }


  string getFrameName(unsigned int code)
  {
    string filename;
    char tmp[60];
    sprintf(tmp,"%d",code);
    filename=path +emailid+"/"+tmp+".wav";
    return filename;  
  }

  ~repositorymanager() {
  }

};

/*
int main()
{
  string abc;
  repositorymanager rep_mgr("ttat@yahoo.com");
  rep_mgr.makeNewFileName(10,abc);
  cout<<abc;
  vector<double> a;
  for(double i=0.01;i<MAX_DIM;i++)
    a.push_back(i);

 rep_mgr.addMFCC(10,a);
 cout<<"\n"<<sizeof(int)<<"\n ";
 return 0;
}

*/

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