#include <unistd.h>
#include <sys/types.h>
-#include <wgt.h>
+#include <json.h>
-struct stringset {
- int count;
- char **strings;
-};
-
+#include <wgt-info.h>
struct appfwk {
int refcount;
- struct stringset paths;
+ int nrroots;
+ char **roots;
+ struct json_object *applications;
};
struct appfwk *appfwk_create()
errno = ENOMEM;
else {
appfwk->refcount = 1;
- appfwk->paths.count = 0;
- appfwk->paths.strings = NULL;
+ appfwk->nrroots = 0;
+ appfwk->roots = NULL;
+ appfwk->applications = NULL;
}
return appfwk;
}
{
assert(appfwk);
if (!--appfwk->refcount) {
- while (appfwk->paths.count)
- free(appfwk->paths.strings[--appfwk->paths.count]);
+ while (appfwk->nrroots)
+ free(appfwk->roots[--appfwk->nrroots]);
+ free(appfwk->roots);
free(appfwk);
}
}
{
int i, n;
char *r, **roots;
+
assert(appfwk);
+
+ /* don't depend on the cwd and unique name */
r = realpath(path, NULL);
if (!r)
return -1;
/* avoiding duplications */
- n = appfwk->paths.count;
- roots = appfwk->paths.strings;
- for (i = 0 ; i < n ; i++)
+ n = appfwk->nrroots;
+ roots = appfwk->roots;
+ for (i = 0 ; i < n ; i++) {
if (!strcmp(r, roots[i])) {
free(r);
return 0;
}
+ }
/* add */
roots = realloc(roots, (n + 1) * sizeof(roots[0]));
return -1;
}
roots[n++] = r;
- appfwk->paths.strings = roots;
- appfwk->paths.count = n;
+ appfwk->roots = roots;
+ appfwk->nrroots = n;
return 0;
}
-struct aea {
- char *path;
- char *appver;
- char *ver;
- const char *root;
- const char *appid;
- const char *version;
- int (*callback)(struct wgt *wgt, void *data);
- void *data;
-};
-struct appfwk_enumerate_applications_context {
- const char *dirpath;
- const char *appid;
- const char *version;
-
- void *data;
-};
+static int json_add(struct json_object *obj, const char *key, struct json_object *val)
+{
+ json_object_object_add(obj, key, val);
+ return 0;
+}
-inline int testd(int dirfd, struct dirent *e)
+static int json_add_str(struct json_object *obj, const char *key, const char *val)
{
- return e->d_name[0] != '.' || (e->d_name[1] && (e->d_name[1] != '.' || e->d_name[2]));
+ struct json_object *str = json_object_new_string (val ? val : "");
+ return str ? json_add(obj, key, str) : -1;
}
-#include <stdio.h>
-static int aea3(int dirfd, struct aea *aea)
+static int json_add_int(struct json_object *obj, const char *key, int val)
{
- printf("aea3 %s *** %s *** %s\n", aea->path, aea->appver, aea->ver);
- return 0;
+ struct json_object *v = json_object_new_int (val);
+ return v ? json_add(obj, key, v) : -1;
}
-static int aea2(int dirfd, struct aea *aea)
+static struct json_object *read_app_desc(const char *path)
{
- DIR *dir;
- int rc, fd;
- struct dirent entry, *e;
+ struct wgt_info *info;
+ const struct wgt_desc *desc;
+ struct json_object *result;
+ char *appid, *end;
- dir = fdopendir(dirfd);
- if (!dir)
- return -1;
+ result = json_object_new_object();
+ if (!result)
+ goto error;
- aea->version = entry.d_name;
+ info = wgt_info_createat(AT_FDCWD, path, 0, 0, 0);
+ if (info == NULL)
+ goto error2;
+ desc = wgt_info_desc(info);
- rc = readdir_r(dir, &entry, &e);
- while (!rc && e) {
- if (testd(dirfd, &entry)) {
- fd = openat(dirfd, entry.d_name, O_DIRECTORY|O_RDONLY);
- if (fd >= 0) {
- strcpy(aea->ver, entry.d_name);
- rc = aea3(fd, aea);
- close(fd);
- }
- }
- rc = readdir_r(dir, &entry, &e);
+ appid = alloca(2 + strlen(desc->id) + strlen(desc->version));
+ end = stpcpy(appid, desc->id);
+ *end++ = '@';
+ strcpy(end, desc->version);
+
+ if(json_add_str(result, "appid", appid)
+ || json_add_str(result, "id", desc->id)
+ || json_add_str(result, "version", desc->version)
+ || json_add_str(result, "path", path)
+ || json_add_int(result, "width", desc->width)
+ || json_add_int(result, "height", desc->height)
+ || json_add_str(result, "name", desc->name)
+ || json_add_str(result, "description", desc->description)
+ || json_add_str(result, "shortname", desc->name_short)
+ || json_add_str(result, "author", desc->author))
+ goto error3;
+
+ wgt_info_unref(info);
+ return result;
+
+error3:
+ wgt_info_unref(info);
+error2:
+ json_object_put(result);
+error:
+ return NULL;
+}
+
+static int add_appdesc(struct json_object *appset, struct json_object *app)
+{
+ struct json_object *appid;
+
+ if (!json_object_object_get_ex(app, "appid", &appid)) {
+ errno = EINVAL;
+ return -1;
}
- closedir(dir);
- return rc;
+
+ return json_add(appset, json_object_get_string(appid), app);
}
-static int aea1(int dirfd, struct aea *aea)
+struct enumdata {
+ char path[PATH_MAX];
+ int length;
+ struct json_object *apps;
+};
+
+static int enumentries(struct enumdata *data, int (*callto)(struct enumdata *))
{
DIR *dir;
- int rc, fd;
+ int rc;
+ char *beg, *end;
struct dirent entry, *e;
- dir = fdopendir(dirfd);
+ /* opens the directory */
+ dir = opendir(data->path);
if (!dir)
return -1;
- aea->appid = entry.d_name;
+ /* prepare appending entry names */
+ beg = data->path + data->length;
+ *beg++ = '/';
+ /* enumerate entries */
rc = readdir_r(dir, &entry, &e);
while (!rc && e) {
- if (testd(dirfd, &entry)) {
- fd = openat(dirfd, entry.d_name, O_DIRECTORY|O_RDONLY);
- if (fd >= 0) {
- aea->ver = stpcpy(aea->appver, entry.d_name);
- *aea->ver++ = '/';
- rc = aea2(fd, aea);
- close(fd);
- }
+ if (entry.d_name[0] != '.' || (entry.d_name[1] && (entry.d_name[1] != '.' || entry.d_name[2]))) {
+ /* prepare callto */
+ end = stpcpy(beg, entry.d_name);
+ data->length = end - data->path;
+ /* call the function */
+ rc = callto(data);
+ if (rc)
+ break;
}
rc = readdir_r(dir, &entry, &e);
}
return rc;
}
-int appfwk_enumerate_applications(struct appfwk *appfwk, int (*callback)(struct wgt *wgt, void *data), void *data)
+static int recordapp(struct enumdata *data)
{
- int rc, iroot, nroots;
- char **roots;
- int fd;
- char buffer[PATH_MAX];
- struct aea aea;
-
- aea.callback = callback;
- aea.data = data;
- aea.path = buffer;
-
- nroots = appfwk->paths.count;
- roots = appfwk->paths.strings;
- for (iroot = 0 ; iroot < nroots ; iroot++) {
- aea.root = roots[iroot];
- fd = openat(AT_FDCWD, aea.root, O_DIRECTORY|O_RDONLY);
- if (fd >= 0) {
- aea.appver = stpcpy(buffer, aea.root);
- *aea.appver++ = '/';
- rc = aea1(fd, &aea);
- close(fd);
+ struct json_object *app;
+
+ app = read_app_desc(data->path);
+ if (app != NULL) {
+ if (!add_appdesc(data->apps, app))
+ return 0;
+ json_object_put(app);
+ }
+ return -1;
+}
+
+/* enumerate the versions */
+static int enumvers(struct enumdata *data)
+{
+ int rc = enumentries(data, recordapp);
+ return !rc || errno != ENOTDIR ? 0 : rc;
+}
+
+/* regenerate the list of applications */
+int appfwk_update_applications(struct appfwk *af)
+{
+ int rc, iroot;
+ struct enumdata edata;
+ struct json_object *oldapps;
+
+ /* create the result */
+ edata.apps = json_object_new_object();
+ if (edata.apps == NULL) {
+ errno = ENOMEM;
+ return -1;
+ }
+ /* for each root */
+ for (iroot = 0 ; iroot < af->nrroots ; iroot++) {
+ edata.length = stpcpy(edata.path, af->roots[iroot]) - edata.path;
+ assert(edata.length < sizeof edata.path);
+ /* enumerate the applications */
+ rc = enumentries(&edata, enumvers);
+ if (rc) {
+ json_object_put(edata.apps);
+ return rc;
}
}
+ /* commit the result */
+ oldapps = af->applications;
+ af->applications = edata.apps;
+ if (oldapps)
+ json_object_put(oldapps);
return 0;
}
-/*
- struct wgt *wgt;
- wgt = wgt_create();
- if (!wgt)
- return -1;
- wgt_unref(wgt);
-
- rfd = AT_FDCWD;
- if (pathname) {
- rfd = openat(rfd, pathname, O_PATH|O_DIRECTORY);
-*/
+
+int main()
+{
+struct appfwk *af = appfwk_create();
+appfwk_add_root(af,"af/apps/");
+appfwk_update_applications(af);
+json_object_to_file("/dev/stdout", af->applications);
+return 0;
+}
Code Review / src / app-framework-main.git / blobdiff