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