mdw@git.distorted.org.uk Git - mLib/blob - struct/t/assoc-test.c

   1 #include <assert.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <string.h>
   5
   6 #include "assoc.h"
   7 #include "atom.h"
   8 #include "macros.h"
   9
  10 typedef struct word {
  11   assoc_base _b;
  12   int i;
  13 } word;
  14
  15 static int cmp(const void *a, const void *b)
  16 {
  17   const word *const *v = b;
  18   const word *const *w = a;
  19   return (strcmp(ATOM_NAME(ASSOC_ATOM(*w)), ATOM_NAME(ASSOC_ATOM(*v))));
  20 }
  21
  22 int main(void)
  23 {
  24   char buf[256];
  25   char *p;
  26   atom_table at;
  27   assoc_table t;
  28   size_t n = 0, j;
  29
  30   atom_createtable(&at);
  31   assoc_create(&t);
  32
  33   while (fgets(buf, sizeof(buf), stdin)) {
  34 /*     printf("+++ %s", buf); */
  35     buf[strlen(buf) - 1] = 0;
  36     p = strtok(buf, " ");
  37
  38     if (STRCMP(p, ==, "set")) {
  39       char *k = strtok(0, " ");
  40       int i = atoi(strtok(0, " "));
  41       unsigned f;
  42       word *w = assoc_find(&t, atom_intern(&at, k), sizeof(word), &f);
  43       w->i = i;
  44       if (!f)
  45         n++;
  46     } else if (STRCMP(p, ==, "get")) {
  47       char *k = strtok(0, " ");
  48       word *w = assoc_find(&t, atom_intern(&at, k), 0, 0);
  49       if (w)
  50         printf("%i\n", w->i);
  51       else
  52         puts("*MISSING*");
  53     } else if (STRCMP(p, ==, "del")) {
  54       char *k = strtok(0, " ");
  55       word *w = assoc_find(&t, atom_intern(&at, k), 0, 0);
  56       if (w) {
  57         assoc_remove(&t, w);
  58         n--;
  59       } else
  60         puts("*MISSING*");
  61     } else if (STRCMP(p, ==, "count")) {
  62       printf("%lu\n", (unsigned long)n);
  63     } else if (STRCMP(p, ==, "show")) {
  64       assoc_iter i;
  65       word *w;
  66       word **v, **vv;
  67
  68       if (!n)
  69         puts("*EMPTY*");
  70       else {
  71         v = malloc(n * sizeof(*v));
  72         if (!v) {
  73           puts("*NOMEM*");
  74           continue;
  75         }
  76         for (vv = v, assoc_mkiter(&i, &t), j = 0;
  77              (w = assoc_next(&i)) != 0;
  78              vv++, j++) {
  79           assert(j < n);
  80           *vv = w;
  81         }
  82         assert(j == n);
  83         qsort(v, n, sizeof(*v), cmp);
  84         printf("%s:%i", ATOM_NAME(ASSOC_ATOM(*v)), (*v)->i);
  85         for (vv = v + 1; --j; vv++)
  86           printf(" %s:%i", ATOM_NAME(ASSOC_ATOM(*vv)), (*vv)->i);
  87         free(v);
  88         putchar('\n');
  89       }
  90     } else
  91       puts("*BAD*");
  92 /*     printf("--- %d\n", n); */
  93   }
  94
  95   assoc_destroy(&t);
  96   atom_destroytable(&at);
  97   return (0);
  98 }