WINGs/wapplication.c

   1
   2 #include <unistd.h>
   3 #include <X11/Xlocale.h>
   4
   5 #include "WINGsP.h"
   6 #include "wconfig.h"
   7
   8 extern void W_InitNotificationCenter(void);
   9
  10 struct W_Application WMApplication;
  11
  12 char *_WINGS_progname = NULL;
  13
  14 Bool W_ApplicationInitialized(void)
  15 {
  16         return _WINGS_progname != NULL;
  17 }
  18
  19 void WMInitializeApplication(char *applicationName, int *argc, char **argv)
  20 {
  21         int i;
  22
  23         assert(argc != NULL);
  24         assert(argv != NULL);
  25         assert(applicationName != NULL);
  26
  27         setlocale(LC_ALL, "");
  28
  29 #ifdef I18N
  30         if (getenv("NLSPATH"))
  31                 bindtextdomain("WINGs", getenv("NLSPATH"));
  32         else
  33                 bindtextdomain("WINGs", LOCALEDIR);
  34         bind_textdomain_codeset("WINGs", "UTF-8");
  35 #endif
  36
  37         _WINGS_progname = argv[0];
  38
  39         WMApplication.applicationName = wstrdup(applicationName);
  40         WMApplication.argc = *argc;
  41
  42         WMApplication.argv = wmalloc((*argc + 1) * sizeof(char *));
  43         for (i = 0; i < *argc; i++) {
  44                 WMApplication.argv[i] = wstrdup(argv[i]);
  45         }
  46         WMApplication.argv[i] = NULL;
  47
  48         /* initialize notification center */
  49         W_InitNotificationCenter();
  50 }
  51
  52 void WMSetResourcePath(char *path)
  53 {
  54         if (WMApplication.resourcePath)
  55                 wfree(WMApplication.resourcePath);
  56         WMApplication.resourcePath = wstrdup(path);
  57 }
  58
  59 char *WMGetApplicationName()
  60 {
  61         return WMApplication.applicationName;
  62 }
  63
  64 static char *checkFile(char *path, char *folder, char *ext, char *resource)
  65 {
  66         char *ret;
  67         int extralen;
  68         size_t slen;
  69
  70         if (!path || !resource)
  71                 return NULL;
  72
  73         extralen = (ext ? strlen(ext) + 1 : 0) + (folder ? strlen(folder) + 1 : 0) + 1;
  74         slen = strlen(path) + strlen(resource) + 1 + extralen;
  75         ret = wmalloc(slen);
  76
  77         if (wstrlcpy(ret, path, slen) >= slen)
  78                 goto error;
  79
  80         if (folder &&
  81                 (wstrlcat(ret, "/", slen) >= slen ||
  82                  wstrlcat(ret, folder, slen) >= slen))
  83                         goto error;
  84
  85         if (ext &&
  86                 (wstrlcat(ret, "/", slen) >= slen ||
  87                  wstrlcat(ret, ext, slen) >= slen))
  88                         goto error;
  89
  90         if (wstrlcat(ret, "/", slen) >= slen ||
  91             wstrlcat(ret, resource, slen) >= slen)
  92                 goto error;
  93
  94         if (access(ret, F_OK) != 0)
  95                 goto error;
  96
  97         return ret;
  98
  99 error:
 100         if (ret)
 101                 wfree(ret);
 102         return NULL;
 103 }
 104
 105 char *WMPathForResourceOfType(char *resource, char *ext)
 106 {
 107         char *path, *tmp, *appdir;
 108         int i;
 109         size_t slen;
 110
 111         path = tmp = appdir = NULL;
 112
 113         /*
 114          * Paths are searched in this order:
 115          * - resourcePath/ext
 116          * - dirname(argv[0])/ext
 117          * - GNUSTEP_USER_ROOT/Applications/ApplicationName.app/ext
 118          * - ~/GNUstep/Applications/ApplicationName.app/ext
 119          * - GNUSTEP_LOCAL_ROOT/Applications/ApplicationName.app/ext
 120          * - /usr/local/GNUstep/Applications/ApplicationName.app/ext
 121          * - GNUSTEP_SYSTEM_ROOT/Applications/ApplicationName.app/ext
 122          * - /usr/GNUstep/Applications/ApplicationName.app/ext
 123          */
 124
 125         if (WMApplication.resourcePath) {
 126                 path = checkFile(WMApplication.resourcePath, NULL, ext, resource);
 127                 if (path)
 128                         goto out;
 129         }
 130
 131         if (WMApplication.argv[0]) {
 132                 tmp = wstrdup(WMApplication.argv[0]);
 133                 i = strlen(tmp);
 134                 while (i > 0 && tmp[i] != '/')
 135                         i--;
 136                 tmp[i] = 0;
 137                 if (i > 0) {
 138                         path = checkFile(tmp, NULL, ext, resource);
 139                 } else {
 140                         path = NULL;
 141                 }
 142                 goto out;
 143         }
 144
 145         slen = strlen(WMApplication.applicationName) + sizeof("Applications/.app");
 146         appdir = wmalloc(slen);
 147         if (snprintf(appdir, slen, "Applications/%s.app", WMApplication.applicationName) >= slen)
 148                 goto out;
 149
 150         path = checkFile(getenv("GNUSTEP_USER_ROOT"), appdir, ext, resource);
 151         if (path)
 152                 goto out;
 153
 154         path = checkFile(wusergnusteppath(), appdir, ext, resource);
 155         if (path)
 156                 goto out;
 157
 158         path = checkFile(getenv("GNUSTEP_LOCAL_ROOT"), appdir, ext, resource);
 159         if (path)
 160                 goto out;
 161
 162         path = checkFile("/usr/local/GNUstep", appdir, ext, resource);
 163         if (path)
 164                 goto out;
 165
 166         path = checkFile(getenv("GNUSTEP_SYSTEM_ROOT"), appdir, ext, resource);
 167         if (path)
 168                 goto out;
 169
 170         path = checkFile("/usr/GNUstep", appdir, ext, resource); /* falls through */
 171
 172 out:
 173         if (tmp)
 174                 wfree(tmp);
 175         if (appdir)
 176                 wfree(appdir);
 177
 178         return path;
 179
 180 }