fdf/srcs/fdf_parsing.c

124 lines
2.7 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* fdf_parsing.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: gbrochar <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/05/08 03:54:03 by gbrochar #+# #+# */
/* Updated: 2016/05/09 11:23:53 by gbrochar ### ########.fr */
/* */
/* ************************************************************************** */
#include "fdf.h"
char **get_file(int fd, char *file_name)
{
char **file_content;
char *buffer;
int line_number;
int ret;
line_number = 0;
while ((ret = get_next_line(fd, &buffer)) > 0)
line_number++;
if (ret == -1)
return (NULL);
file_content = (char **)malloc((line_number + 1) * sizeof(char *));
file_content[line_number] = NULL;
close(fd);
if ((fd = open(file_name, O_RDONLY)) == -1)
return (NULL);
line_number = 0;
while ((ret = get_next_line(fd, &buffer)) > 0)
file_content[line_number++] = ft_strdup(buffer);
close(fd);
return (file_content);
}
int check_str(char *str)
{
int i;
int hex_count;
i = 0;
hex_count = 0;
if (str[i] == '-')
++i;
while (ft_isdigit(str[i]) == 1 && str[i])
++i;
if (str[i] == '\0')
return (0);
else
return (1);
}
int **parse(char ***fdf_map)
{
int i;
int j;
i = 0;
while (fdf_map[i])
{
j = 0;
while (fdf_map[i][j])
{
if (check_str(fdf_map[i][j]) == 1)
return (NULL);
j++;
}
++i;
}
return (get_struct(fdf_map));
}
int check_line_lenght(char ***fdf_map, t_mlx *mlx)
{
int i;
int len;
int len_buf;
i = 0;
len = 0;
while (fdf_map[i][len])
++len;
while (fdf_map[++i])
{
len_buf = 0;
while (fdf_map[i][len_buf])
++len_buf;
if (len_buf != len)
return (1);
}
mlx->xmax = len;
return (0);
}
int **fdf_parsing(char *file_name, t_mlx *mlx)
{
char **file_content;
char ***fdf_map;
int fd;
int i;
if ((fd = open(file_name, O_RDONLY)) == -1)
return (NULL);
file_content = get_file(fd, file_name);
i = 0;
while (file_content[i])
i++;
fdf_map = (char ***)malloc((i + 1) * sizeof(char **));
mlx->zmax = i;
fdf_map[i] = NULL;
i = 0;
while (file_content[i])
{
fdf_map[i] = ft_strsplit(file_content[i], ' ');
++i;
}
if (check_line_lenght(fdf_map, mlx))
return (NULL);
return (parse(fdf_map));
}