#include <sys/stat.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
//~ #include <locale.h>

#include "tex_parser.h"
#include "zalloc.h"
#include "xalloc.h"
#include "xerror.h"

int main(int argc, char *argv[])
{
	if (argc != 2)
		xerrx(-1, "Usage: ./tex_parser_test /path/to/example.tex", NULL);

	FILE *tex_file = fopen(argv[1], "rb");
	if (!tex_file)
		xerr(errno, "Cannot open %s", argv[1]);

	struct stat stat_buf;
	if (fstat(fileno(tex_file), &stat_buf) == -1)
		xerr(errno, "Cannot stat %s", argv[1]);

	char *tex_buf = (char *)xmalloc((size_t)stat_buf.st_size + 1);
	if (fread(tex_buf, 1, (size_t)stat_buf.st_size, tex_file) != (size_t)stat_buf.st_size)
		xerrx(-1, "Error reading %s", argv[1]);
	fclose(tex_file);
	tex_buf[stat_buf.st_size] = 0;


	struct tex_struct_s *tex_struct;
	struct zerror_s *error;
	memset(&tex_struct, 0, sizeof(tex_struct));
	memset(&error, 0, sizeof(error));

	//~ setlocale(LC_ALL, "ru_RU.KOI8-R");

	/* Коммент по-русски */
	tex_parse(tex_buf, (size_t)stat_buf.st_size, &tex_struct, &error);

	//~ setlocale(LC_ALL, "");

	if (error)
		puts(error->message);

	xclear(&tex_buf);

	return EXIT_SUCCESS;
}