src/tests/servers/app/code_to_name/code_to_name.cpp

   1 /*
   2  * Copyright 2005, Haiku.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Axel Dörfler, axeld@pinc-software.de
   7  */
   8
   9
  10 #include <Entry.h>
  11 #include <Path.h>
  12 #include <Query.h>
  13 #include <Volume.h>
  14
  15 #include <fs_info.h>
  16
  17 #include <ctype.h>
  18 #include <stdlib.h>
  19 #include <stdio.h>
  20 #include <string.h>
  21
  22
  23 extern const char* __progname;
  24
  25
  26 void
  27 skip_white_space(char*& line)
  28 {
  29         while (isspace(line[0]))
  30                 line++;
  31 }
  32
  33
  34 void
  35 get_name(char* line)
  36 {
  37         while (isalnum(line[0]) || line[0] == '_') {
  38                 line++;
  39         }
  40
  41         line[0] = '\0';
  42 }
  43
  44
  45 void
  46 print_code(BPath& path, int32 code)
  47 {
  48         FILE* file = fopen(path.Path(), "r");
  49         if (file == NULL)
  50                 return;
  51
  52         int32 lineNumber = 0;
  53         char buffer[4096];
  54
  55         while (fgets(buffer, sizeof(buffer), file) != NULL) {
  56                 char* line = buffer;
  57                 skip_white_space(line);
  58
  59                 if (strncmp(line, "AS_", 3))
  60                         continue;
  61
  62                 if (++lineNumber != code)
  63                         continue;
  64
  65                 get_name(line);
  66                 printf("code %ld: %s\n", lineNumber, line);
  67                 fclose(file);
  68                 return;
  69         }
  70
  71         printf("unknown code %ld!\n", code);
  72         fclose(file);
  73 }
  74
  75
  76 int
  77 main(int argc, char** argv)
  78 {
  79         if (argc < 2) {
  80                 fprintf(stderr, "usage: %s <message-code>\n", __progname);
  81                 return -1;
  82         }
  83
  84         int32 number = atol(argv[1]);
  85
  86         BQuery query;
  87         query.SetPredicate("name=ServerProtocol.h");
  88
  89         // search on current volume only
  90         dev_t device = dev_for_path(".");
  91         BVolume volume(device);
  92
  93         query.SetVolume(&volume);
  94         query.Fetch();
  95
  96         status_t status;
  97         BEntry entry;
  98         while ((status = query.GetNextEntry(&entry)) == B_OK) {
  99                 BPath path(&entry);
 100                 puts(path.Path());
 101                 if (strstr(path.Path(), "headers/private/app/ServerProtocol.h") != NULL) {
 102                         print_code(path, number);
 103                         break;
 104                 }
 105         }
 106
 107         if (status != B_OK) {
 108                 fprintf(stderr, "%s: could not find ServerProtocol.h", __progname);
 109                 return -1;
 110         }
 111         return 0;
 112 }