GDBMS_for_documentation/listi.cpp

Go to the documentation of this file.

#include "maininclude.h"
#include "listi.h"
#include "settings.h"
#include "hash_table.h"
#include "tr_twin_ht.h"
#include "file_semaphore.h"
#include "some_functions.h"
#include "initial_mode_commands.h"
#include "session_mode_commands.h"
#include "transaction_mode_commands.h"
#include "transaction_mode_commands_types.h"
#include "transaction_mode_commands_nodes.h"
#include "transaction_mode_commands_edges.h"
#include "transaction_mode_commands_find.h"

using namespace std;
listi::listi(char* init_str, char separator)
{
  if(!init_str){
    int i;
    separ=separator;
    int strsize=2;
    this->buf=new char[strsize];
    for(i=0; i<strsize; i++)
      buf[i]=0;
    return;
  }
  
  int strsize=strlen(init_str)+2;
  this->buf=new char[strsize];
  int i;
  for(i=0; i<strsize; i++)
    buf[i]=0;
  strcpy(buf, init_str);
  settings::split(buf, &(this->num), &(this->a), separator);
  separ=separator;
}
listi::~listi()
{
  if(this->buf)
    delete this->buf;
  if(this->a){
    int i;
    for(i=0; i<this->num; i++)
      if(a[i])
        delete a[i];
   delete this->a; 
  }
}
void listi::addelement(char* element)
{
  int newsize=strlen(buf)+ strlen(element)+2;
  char *newbuf=new char[newsize];
  if(newbuf){
    int i;
    for(i=0; i<newsize; i++)
      newbuf[i]=0;
    strcat(newbuf, buf);
    newbuf[strlen(newbuf)]=separ;
    strcat(newbuf, element);
    this->~listi();
    this->listi(newbuf, separ);
    delete newbuf;
  }
  
}
char* listi::getith(int i)
{
  return this->a[i];
}
int listi::getnum()
{
  return this->num;
}
void listi::removeelement(char* element)
{
  int i;
  int n=strlen(this->buf)+2;
  char *newbuf=new char[n];
  for(i=0; i<n; i++)
    newbuf[i]=0;
  for(i=0; i<this->num; i++){
   if(!strcmp(element, a[i])){
     delete a[i];
     a[i]=0;
     i++;
     continue;
   }else{
     strcat(newbuf, a[i]);
     newbuf[strlen(newbuf)]=separ;
   }
  }
    
  newbuf[strlen(newbuf)]=0;
  this->~listi();
  this->listi(newbuf, separ);
  delete newbuf;
  
  
}
char* listi::returnstring()
{
  return this->buf;
}