#include <filehandler.h>
#include <stdio.h>
#include <stdlib.h>

Filehandler::Filehandler(char *path)
{
  f = NULL;
  buffer = NULL;
  this->path = path;
}

bool
Filehandler::open(void)
{
  f = fopen(path, "r");
  if (f == NULL) {
    printf("Unable to open %s\n", path);
    return false;
  }

  return true;
}

unsigned int
Filehandler::size(void)
{
  unsigned int current = ftell(f);

  fseek(f, 0, SEEK_END);
  unsigned int s = ftell(f);

  fseek(f, current, SEEK_SET);
  return s;
}

char *
Filehandler::read(void)
{
  fseek(f, 0, SEEK_SET);

  buffer = (char *) calloc(size(), sizeof(char));
  int bytesread = fread(buffer, sizeof(char), size(), f);

  if (bytesread < 0) {
    return NULL;
  }
  return buffer;
}

void
Filehandler::close(void)
{
  fclose(f);
  free(buffer);
}