pd.if.org Git - zpackage/blob - src/parse.c

   1 #define _POSIX_C_SOURCE 2
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4 #include <unistd.h>
   5
   6 #include "zpm.h"
   7
   8 int main(int ac, char **av) {
   9         int rel;
  10         char name[256];
  11         char ver[256];
  12         int i;
  13         int found;
  14         int pname = 0;
  15         int pver = 0;
  16         int prel = 0;
  17         int printed = 0;
  18         int opt;
  19         int pdefault = 1;
  20         int eval = 0;
  21
  22         while ((opt = getopt(ac, av, "nvrE")) != -1) {
  23                 switch (opt) {
  24                         case 'n': pdefault = 0; pname = 1; break;
  25                         case 'v': pdefault = 0; pver = 1; break;
  26                         case 'r': pdefault = 0; prel = 1; break;
  27                         case 'E': eval = 1; break;
  28                         default:
  29                                   fprintf(stderr, "zpm parse [-nvrE] ...\n");
  30                                   exit(EXIT_FAILURE);
  31                                   break;
  32                 }
  33         }
  34
  35         pname = pname || pdefault;
  36         pver = pver || pdefault;
  37         prel = prel || pdefault;
  38
  39         for (i=optind; i<ac; i++) {
  40                 printed = 0;
  41                 found = zpm_parse_package(av[i], name, ver, &rel);
  42                 /* single quotes aren't allowed, so a simple single quote
  43                  * is sufficient for eval */
  44                 if (found >= 1 && pname) {
  45                         if (eval) {
  46                                 printf("name='%s'\n", name);
  47                         } else {
  48                                 printf("%s", name);
  49                                 printed++;
  50                         }
  51                 }
  52                 if (found >= 2 && pver) {
  53                         if (eval) {
  54                                 printf("version='%s'\n", ver);
  55                         } else {
  56                                 printf("%s%s", printed ? " " : "", ver);
  57                                 printed++;
  58                         }
  59                 }
  60                 if (found >= 3 && prel) {
  61                         if (eval) {
  62                                 printf("release='%d'\n", rel);
  63                         } else {
  64                                 printf("%s%d", printed ? " " : "", rel);
  65                                 printed++;
  66                         }
  67                 }
  68                 if (printed) {
  69                         putchar('\n');
  70                 }
  71                 if (!found) {
  72                         exit(EXIT_FAILURE);
  73                 }
  74         }
  75         return 0;
  76 }