tools/mpdb.c

   1 /**********************************************************************
   2  Freeciv - Copyright (C) 1996 - A Kjeldberg, L Gregersen, P Unold
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; either version 2, or (at your option)
   6    any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12 ***********************************************************************/
  13
  14 #ifdef HAVE_CONFIG_H
  15 #include <fc_config.h>
  16 #endif
  17
  18 /* utility */
  19 #include "capability.h"
  20 #include "fcintl.h"
  21 #include "mem.h"
  22 #include "registry.h"
  23
  24 /* modinst */
  25 #include "download.h"
  26
  27 #include "mpdb.h"
  28
  29 #define MPDB_CAPSTR "+mpdb"
  30
  31 /**************************************************************************
  32   Construct install info list from file.
  33 **************************************************************************/
  34 void load_install_info_list(const char *filename,
  35                             struct install_info_list *list)
  36 {
  37   struct section_file *file;
  38   const char *caps;
  39
  40   file = secfile_load(filename, FALSE);
  41
  42   if (file == NULL) {
  43     /* This happens in first run - or actually all runs until something is
  44      * installed. Previous run has not saved database. */
  45     log_debug("No install info file");
  46
  47     return;
  48   }
  49
  50   caps = secfile_lookup_str(file, "info.options");
  51
  52   if (caps == NULL) {
  53     log_error("MPDB %s missing capability information", filename);
  54     secfile_destroy(file);
  55     return;
  56   }
  57
  58   if (!has_capabilities(MPDB_CAPSTR, caps)) {
  59     log_error("Incompatible mpdb file %s:", filename);
  60     log_error("  file options:      %s", caps);
  61     log_error("  supported options: %s", MPDB_CAPSTR);
  62
  63     secfile_destroy(file);
  64
  65     return;
  66   }
  67
  68   if (file != NULL) {
  69     bool all_read = FALSE;
  70     int i;
  71
  72     for (i = 0 ; !all_read ; i++) {
  73       const char *str;
  74       char buf[80];
  75
  76       fc_snprintf(buf, sizeof(buf), "modpacks.mp%d", i);
  77
  78       str = secfile_lookup_str_default(file, NULL, "%s.name", buf);
  79
  80       if (str != NULL) {
  81         struct install_info *ii;
  82
  83         ii = fc_malloc(sizeof(*ii));
  84
  85         strncpy(ii->name, str, sizeof(ii->name));
  86         str = secfile_lookup_str(file, "%s.type", buf);
  87         ii->type = modpack_type_by_name(str, fc_strcasecmp);
  88         str = secfile_lookup_str(file, "%s.version", buf);
  89         strncpy(ii->version, str, sizeof(ii->version));
  90
  91         install_info_list_append(list, ii);
  92       } else {
  93         all_read = TRUE;
  94       }
  95     }
  96
  97     secfile_destroy(file);
  98   }
  99 }
 100
 101 /**************************************************************************
 102   Save install info list to file.
 103 **************************************************************************/
 104 void save_install_info_list(const char *filename,
 105                             struct install_info_list *list)
 106 {
 107   int i = 0;
 108   struct section_file *file = secfile_new(TRUE);
 109
 110   secfile_insert_str(file, MPDB_CAPSTR, "info.options");
 111
 112   install_info_list_iterate(list, ii) {
 113     char buf[80];
 114
 115     fc_snprintf(buf, sizeof(buf), "modpacks.mp%d", i);
 116
 117     secfile_insert_str(file, ii->name, "%s.name", buf);
 118     secfile_insert_str(file, modpack_type_name(ii->type),
 119                        "%s.type", buf);
 120     secfile_insert_str(file, ii->version, "%s.version", buf);
 121
 122     i++;
 123   } install_info_list_iterate_end;
 124
 125   if (!secfile_save(file, filename, 0, FZ_PLAIN)) {
 126     log_error("Saving of install info to file %s failed.", filename);
 127   }
 128
 129   secfile_destroy(file);
 130 }