WINGs/wapplication.c

   1
   2
   3 #include <unistd.h>
   4
   5 #include "WINGsP.h"
   6
   7
   8 extern void W_InitNotificationCenter(void);
   9
  10
  11 struct W_Application WMApplication;
  12
  13
  14 char *_WINGS_progname = NULL;
  15
  16
  17
  18 Bool
  19 W_ApplicationInitialized(void)
  20 {
  21     return _WINGS_progname!=NULL;
  22 }
  23
  24
  25 void
  26 WMInitializeApplication(char *applicationName, int *argc, char **argv)
  27 {
  28     int i;
  29
  30     assert(argc!=NULL);
  31     assert(argv!=NULL);
  32     assert(applicationName!=NULL);
  33
  34     _WINGS_progname = argv[0];
  35
  36     WMApplication.applicationName = wstrdup(applicationName);
  37     WMApplication.argc = *argc;
  38
  39     WMApplication.argv = wmalloc((*argc+1)*sizeof(char*));
  40     for (i=0; i<*argc; i++) {
  41         WMApplication.argv[i] = wstrdup(argv[i]);
  42     }
  43     WMApplication.argv[i] = NULL;
  44
  45     /* initialize notification center */
  46     W_InitNotificationCenter();
  47 }
  48
  49
  50 void
  51 WMSetResourcePath(char *path)
  52 {
  53     if (WMApplication.resourcePath)
  54         wfree(WMApplication.resourcePath);
  55     WMApplication.resourcePath = wstrdup(path);
  56 }
  57
  58
  59 char*
  60 WMGetApplicationName()
  61 {
  62     return WMApplication.applicationName;
  63 }
  64
  65
  66 static char*
  67 checkFile(char *path, char *folder, char *ext, char *resource)
  68 {
  69     char *ret;
  70     int extralen;
  71
  72     extralen = (ext ? strlen(ext) : 0) + (folder ? strlen(folder) : 0) + 4;
  73     ret = wmalloc(strlen(path)+strlen(resource)+extralen+8);
  74     strcpy(ret, path);
  75     if (folder) {
  76         strcat(ret, "/");
  77         strcat(ret, folder);
  78     }
  79     if (ext) {
  80         strcat(ret, "/");
  81         strcat(ret, ext);
  82     }
  83     strcat(ret, "/");
  84     strcat(ret, resource);
  85
  86     if (access(ret, F_OK)!=0) {
  87         wfree(ret);
  88         ret = NULL;
  89     }
  90
  91     return ret;
  92 }
  93
  94
  95 char*
  96 WMPathForResourceOfType(char *resource, char *ext)
  97 {
  98     char *path = NULL;
  99     char *tmp, *appdir;
 100     int i;
 101
 102     /*
 103      * Paths are searched in this order:
 104      * - resourcePath/ext
 105      * - argv[0]/ext
 106      * - GNUSTEP_USER_ROOT/Apps/ApplicationName.app/ext
 107      * - ~/GNUstep/Apps/ApplicationName.app/ext
 108      * - GNUSTEP_LOCAL_ROOT/Apps/ApplicationName.app/ext
 109      * - /usr/local/GNUstep/Apps/ApplicationName.app/ext
 110      * - GNUSTEP_SYSTEM_ROOT/Apps/ApplicationName.app/ext
 111      * - /usr/GNUstep/Apps/ApplicationName.app/ext
 112      */
 113
 114     if (WMApplication.resourcePath) {
 115         path = checkFile(WMApplication.resourcePath, NULL, ext, resource);
 116         if (path)
 117             return path;
 118     }
 119
 120     if (WMApplication.argv[0]) {
 121         tmp = wstrdup(WMApplication.argv[0]);
 122         i = strlen(tmp);
 123         while (i > 0 && tmp[i]!='/')
 124             i--;
 125         tmp[i] = 0;
 126         if (i>0) {
 127             path = checkFile(tmp, NULL, ext, resource);
 128         } else {
 129             path = NULL;
 130         }
 131         wfree(tmp);
 132         if (path)
 133             return path;
 134     }
 135
 136     appdir = wmalloc(strlen(WMApplication.applicationName)+10);
 137     sprintf(appdir, "Apps/%s.app", WMApplication.applicationName);
 138
 139     if (getenv("GNUSTEP_USER_ROOT")) {
 140         path = checkFile(getenv("GNUSTEP_USER_ROOT"), appdir, ext, resource);
 141         if (path) {
 142             wfree(appdir);
 143             return path;
 144         }
 145     }
 146
 147     tmp = wusergnusteppath();
 148     if (tmp) {
 149         path = checkFile(tmp, appdir, ext, resource);
 150         if (path) {
 151             wfree(appdir);
 152             return path;
 153         }
 154     }
 155
 156     if (getenv("GNUSTEP_LOCAL_ROOT")) {
 157         path = checkFile(getenv("GNUSTEP_LOCAL_ROOT"), appdir, ext, resource);
 158         if (path) {
 159             wfree(appdir);
 160             return path;
 161         }
 162     }
 163
 164     path = checkFile("/usr/local/GNUstep", appdir, ext, resource);
 165     if (path) {
 166         wfree(appdir);
 167         return path;
 168     }
 169
 170
 171     if (getenv("GNUSTEP_SYSTEM_ROOT")) {
 172         path = checkFile(getenv("GNUSTEP_SYSTEM_ROOT"), appdir, ext, resource);
 173         if (path) {
 174             wfree(appdir);
 175             return path;
 176         }
 177     }
 178
 179     path = checkFile("/usr/GNUstep", appdir, ext, resource);
 180     if (path) {
 181         wfree(appdir);
 182         return path;
 183     }
 184
 185     return NULL;
 186 }
 187
 188