allows to add directories

[src/app-framework-main.git] / src / af-db.c

diff --git a/src/af-db.c b/src/af-db.c
index 1977402..473b118 100644 (file)
--- a/src/af-db.c
+++ b/src/af-db.c
@@ -36,10 +36,21 @@ struct afapps {
        struct json_object *byapp;
 };
 
+enum dir_type {
+       type_root,
+       type_app
+};
+
+struct af_db_dir {
+       struct af_db_dir *next;
+       char *path;
+       enum dir_type type;
+};
+
 struct af_db {
        int refcount;
-       int nrroots;
-       char **roots;
+       struct af_db_dir *dirhead;
+       struct af_db_dir *dirtail;
        struct afapps applications;
 };
 
@@ -50,8 +61,8 @@ struct af_db *af_db_create()
                errno = ENOMEM;
        else {
                afdb->refcount = 1;
-               afdb->nrroots = 0;
-               afdb->roots = NULL;
+               afdb->dirhead = NULL;
+               afdb->dirtail = NULL;
                afdb->applications.pubarr = NULL;
                afdb->applications.direct = NULL;
                afdb->applications.byapp = NULL;
@@ -67,22 +78,26 @@ void af_db_addref(struct af_db *afdb)
 
 void af_db_unref(struct af_db *afdb)
 {
+       struct af_db_dir *dir;
        assert(afdb);
        if (!--afdb->refcount) {
                json_object_put(afdb->applications.pubarr);
                json_object_put(afdb->applications.direct);
                json_object_put(afdb->applications.byapp);
-               while (afdb->nrroots)
-                       free(afdb->roots[--afdb->nrroots]);
-               free(afdb->roots);
+               while (afdb->dirhead != NULL) {
+                       dir = afdb->dirhead;
+                       afdb->dirhead = dir->next;
+                       free(dir->path);
+                       free(dir);
+               }
                free(afdb);
        }
 }
 
-int af_db_add_root(struct af_db *afdb, const char *path)
+int add_dir(struct af_db *afdb, const char *path, enum dir_type type)
 {
-       int i, n;
-       char *r, **roots;
+       struct af_db_dir *dir;
+       char *r;
 
        assert(afdb);
 
@@ -92,28 +107,44 @@ int af_db_add_root(struct af_db *afdb, const char *path)
                return -1;
 
        /* avoiding duplications */
-       n = afdb->nrroots;
-       roots = afdb->roots;
-       for (i = 0 ; i < n ; i++) {
-               if (!strcmp(r, roots[i])) {
-                       free(r);
-                       return 0;
-               }
+       dir = afdb->dirhead;
+       while(dir != NULL && (strcmp(dir->path, path) || dir->type != type))
+               dir = dir ->next;
+       if (dir != NULL) {
+               free(r);
+               return 0;
        }
 
-       /* add */
-       roots = realloc(roots, (n + 1) * sizeof(roots[0]));
-       if (!roots) {
+       /* allocates the structure */
+       dir = malloc(sizeof * dir);
+       if (dir == NULL) {
                free(r);
                errno = ENOMEM;
                return -1;
        }
-       roots[n++] = r;
-       afdb->roots = roots;
-       afdb->nrroots = n;
+
+       /* add */
+       dir->next = NULL;
+       dir->path = r;
+       dir->type = type;
+       if (afdb->dirtail == NULL)
+               afdb->dirhead = dir;
+       else
+               afdb->dirtail->next = dir;
+       afdb->dirtail = dir;
        return 0;
 }
 
+int af_db_add_root(struct af_db *afdb, const char *path)
+{
+       return add_dir(afdb, path, type_root);
+}
+
+int af_db_add_application(struct af_db *afdb, const char *path)
+{
+       return add_dir(afdb, path, type_app);
+}
+
 static int json_add(struct json_object *obj, const char *key, struct json_object *val)
 {
        json_object_object_add(obj, key, val);
@@ -142,8 +173,11 @@ static int addapp(struct afapps *apps, const char *path)
 
        /* connect to the widget */
        info = wgt_info_createat(AT_FDCWD, path, 0, 1, 0);
-       if (info == NULL)
+       if (info == NULL) {
+               if (errno == ENOENT)
+                       return 0; /* silently ignore bad directories */
                goto error;
+       }
        desc = wgt_info_desc(info);
 
        /* create the application id */
@@ -292,9 +326,10 @@ static int enumvers(struct enumdata *data)
 /* regenerate the list of applications */
 int af_db_update_applications(struct af_db *afdb)
 {
-       int rc, iroot;
+       int rc;
        struct enumdata edata;
        struct afapps oldapps;
+       struct af_db_dir *dir;
 
        /* create the result */
        edata.apps.pubarr = json_object_new_array();
@@ -305,13 +340,17 @@ int af_db_update_applications(struct af_db *afdb)
                goto error;
        }
        /* for each root */
-       for (iroot = 0 ; iroot < afdb->nrroots ; iroot++) {
-               edata.length = stpcpy(edata.path, afdb->roots[iroot]) - edata.path;
-               assert(edata.length < sizeof edata.path);
-               /* enumerate the applications */
-               rc = enumentries(&edata, enumvers);
-               if (rc)
-                       goto error;
+       for (dir = afdb->dirhead ; dir != NULL ; dir = dir->next) {
+               if (dir->type == type_root) {
+                       edata.length = stpcpy(edata.path, dir->path) - edata.path;
+                       assert(edata.length < sizeof edata.path);
+                       /* enumerate the applications */
+                       rc = enumentries(&edata, enumvers);
+                       if (rc)
+                               goto error;
+               } else {
+                       rc = addapp(&edata.apps, dir->path);
+               }
        }
        /* commit the result */
        oldapps = afdb->applications;