contrib/lar/cli.c

   1 #include "lar.h"
   2
   3 int do_print_member( lar_archive *ar, const char *name )
   4 {
   5         lar_member *member;
   6
   7         if( (member = lar_open_member(ar, name)) != NULL )
   8         {
   9                 write(fileno(stdout), member->data, member->length);
  10                 lar_close_member(member);
  11         }
  12         else
  13                 LAR_DIE("Unable to locate archive member");
  14
  15         return 0;
  16 }
  17
  18 int do_print_index( lar_archive *ar )
  19 {
  20         lar_index *index = ar->index;
  21
  22         if( ar->has_filenames )
  23         {
  24                 while(index)
  25                 {
  26                         if( index->type == LAR_TYPE_REGULAR )
  27                         {
  28                                 printf("%s\n", index->filename);
  29                         }
  30
  31                         index = index->next;
  32                 }
  33
  34                 return 0;
  35         }
  36
  37         LAR_DIE("The archive contains no file list");
  38         return 1;
  39 }
  40
  41 int do_require( const char *package, const char *path )
  42 {
  43         int stat = 1;
  44         lar_archive *ar;
  45         lar_member *mb;
  46
  47         if( (ar = lar_find_archive(package, path, 1)) != NULL )
  48         {
  49                 if( (mb = lar_find_member(ar, package)) != NULL )
  50                 {
  51                         write(fileno(stdout), mb->data, mb->length);
  52                         lar_close_member(mb);
  53                         stat = 0;
  54                 }
  55
  56                 lar_close(ar);
  57         }
  58
  59         return stat;
  60 }
  61
  62 int do_findfile( const char *filename, const char *path )
  63 {
  64         int stat = 1;
  65         lar_archive *ar;
  66         lar_member *mb;
  67
  68         if( (ar = lar_find_archive(filename, path, 0)) != NULL )
  69         {
  70                 if( (mb = lar_open_member(ar, filename)) != NULL )
  71                 {
  72                         write(fileno(stdout), mb->data, mb->length);
  73                         lar_close_member(mb);
  74                         stat = 0;
  75                 }
  76
  77                 lar_close(ar);
  78         }
  79
  80         return stat;
  81 }
  82
  83 int main( int argc, const char* argv[] )
  84 {
  85         lar_archive *ar;
  86         int stat = 0;
  87
  88         if( argv[1] != NULL && argv[2] != NULL )
  89         {
  90                 switch(argv[1][0])
  91                 {
  92                         case 's':
  93                                 if( (ar = lar_open(argv[2])) != NULL )
  94                                 {
  95                                         if( argv[3] != NULL )
  96                                                 stat = do_print_member(ar, argv[3]);
  97                                         else
  98                                                 stat = do_print_index(ar);
  99
 100                                         lar_close(ar);
 101                                 }
 102                                 else
 103                                 {
 104                                         LAR_DIE("Failed to open archive");
 105                                 }
 106
 107                                 break;
 108
 109                         case 'r':
 110                                 stat = do_require(argv[2], argv[3]);
 111                                 break;
 112
 113                         case 'f':
 114                                 stat = do_findfile(argv[2], argv[3]);
 115                                 break;
 116                 }
 117
 118                 return stat;
 119         }
 120         else
 121         {
 122                 printf("Usage:\n");
 123                 printf("\tlar show <archive> [<member>]\n");
 124                 printf("\tlar require <package> [<path>]\n");
 125                 printf("\tlar find <filename> [<path>]\n");
 126
 127                 return 1;
 128         }
 129
 130         return 0;
 131 }