interpret/src/interpret.c

114 lines
3.5 KiB
C

#include "interpret.h"
#include "lex.h"
#include <unistd.h> /* chdir (POSIX) */
#include <sys/types.h> /* mode_t (POSIX) */
#include <sys/stat.h> /* umask (POSIX) */
#include <dirent.h> /* opendir readdir closedir */
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#if INT_MAX >= 100000000000
#error int_to_string requires truncation on this compiler.
#endif
static void int_to_string(const int *const n,
char (*const a)[12]) { sprintf(*a, "%d", *n); }
#define ARRAY_NAME int
#define ARRAY_TYPE int
#define ARRAY_EXPECT_TRAIT
#include "../src/array.h"
#define ARRAY_TO_STRING &int_to_string
#include "../src/array.h"
static int int_cmp(const int *const a, const int *const b)
{ return (*b < *a) - (*a < *b); }
static int void_int_cmp(const void *const a, const void *const b)
{ return int_cmp(a, b); }
int main(int argc, char **argv) {
int success = EXIT_FAILURE;
DIR *dir = 0;
struct dirent *de;
struct int_array years = ARRAY_IDLE, months = ARRAY_IDLE, days = ARRAY_IDLE;
int *y, *y_end;
/* Get the years list as directories matching a year in order. */
errno = 0;
if(argc != 2) { fprintf(stderr, "Needs journal location.\n"
"(should contain <year>/<month>/<day>.txt)\n"); goto finally; }
if(chdir(argv[1]) == -1 || !(dir = opendir("."))) goto catch;
while((de = readdir(dir))) {
struct stat st;
int year, *p;
if(!looks_like_year(de->d_name, &year)) continue;
if(stat(de->d_name, &st)) goto catch;
if(!S_ISDIR(st.st_mode)) continue;
if(!(p = int_array_new(&years))) goto catch;
*p = year;
}
closedir(dir), dir = 0;
qsort(years.data, years.size, sizeof *years.data, &void_int_cmp);
fprintf(stderr, "%s: %s.\n", argv[1], int_array_to_string(&years));
/* Go though each year. */
for(y = years.data, y_end = y + years.size; y < y_end; y++) {
char temp[64];
int *m, *m_end;
sprintf(temp, "%d", *y);
/* Get the months as directories. */
if(chdir(temp) == -1 || !(dir = opendir("."))) goto catch;
while((de = readdir(dir))) {
struct stat st;
int month, *p;
if(!(month = looks_like_month(de->d_name))) continue;
if(stat(de->d_name, &st)) goto catch;
if(!S_ISDIR(st.st_mode)) continue;
if(!(p = int_array_new(&months))) goto catch;
*p = month;
}
closedir(dir), dir = 0;
qsort(months.data, months.size, sizeof *months.data, &void_int_cmp);
fprintf(stderr, "%s: %s.\n", temp, int_array_to_string(&months));
/* Go though each month. */
for(m = months.data, m_end = m + months.size; m < m_end; m++) {
int *d, *d_end;
sprintf(temp, "%.2d", *m);
/* Get the days as files. */
if(chdir(temp) == -1 || !(dir = opendir("."))) goto catch;
while((de = readdir(dir))) {
struct stat st;
int day, *p;
/* fixme: Have yyyy-mm-dd to figure out how many days. */
if(!(day = looks_like_day(de->d_name))) continue;
if(stat(de->d_name, &st)) goto catch;
if(S_ISDIR(st.st_mode)) continue;
if(!(p = int_array_new(&days))) goto catch;
*p = day;
}
closedir(dir), dir = 0;
qsort(days.data, days.size, sizeof *days.data, &void_int_cmp);
fprintf(stderr, "%s: %s.\n", temp, int_array_to_string(&days));
for(d = days.data, d_end = d + days.size; d < d_end; d++) {
printf("%d-%.2d-%.2d\n", *y, *m, *d);
}
int_array_clear(&days);
if(chdir("..") == -1) goto catch;
}
int_array_clear(&months);
if(chdir("..") == -1) goto catch;
}
{ success = EXIT_SUCCESS; goto finally; }
catch:
perror("interpret");
finally:
if(dir) closedir(dir);
int_array_(&years);
int_array_(&months);
return EXIT_FAILURE;
}