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authorTed Gould <ted@gould.cx>2010-01-20 15:53:17 -0600
committerTed Gould <ted@gould.cx>2010-01-20 15:53:17 -0600
commit5317706e5e2c21962a872f0bbe2cbd948d520e95 (patch)
tree36666b111761bd205d06ef3d4842c40791f06c7e /src
parentde659683ee9d60ed0fefa2d20c4ff1342f1b94e2 (diff)
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Fleshing out loading of the LRU file and realizing we need a json-glib dep and the 'category' field in the output.
Diffstat (limited to 'src')
-rw-r--r--src/application-service-lru-file.c80
1 files changed, 79 insertions, 1 deletions
diff --git a/src/application-service-lru-file.c b/src/application-service-lru-file.c
index 95ffb3c..de28b81 100644
--- a/src/application-service-lru-file.c
+++ b/src/application-service-lru-file.c
@@ -4,6 +4,7 @@
#include <string.h>
#include <gio/gio.h>
+#include <json-glib/json-glib.h>
#include "application-service-lru-file.h"
typedef struct _AppLruFilePrivate AppLruFilePrivate;
@@ -30,6 +31,7 @@ static void app_lru_file_dispose (GObject *object);
static void app_lru_file_finalize (GObject *object);
static void app_data_free (gpointer data);
static gboolean load_from_file (gpointer data);
+static void load_file_object_cb (JsonObject * obj, const gchar * key, JsonNode * value, gpointer data);
static void clean_off_hash_cb (gpointer key, gpointer value, gpointer data);
static void clean_off_write_end_cb (GObject * obj, GAsyncResult * res, gpointer data);
@@ -128,10 +130,86 @@ app_data_free (gpointer data)
static gboolean
load_from_file (gpointer data)
{
+ AppLruFile * lrufile = (AppLruFile *)data;
+ AppLruFilePrivate * priv = APP_LRU_FILE_GET_PRIVATE(lrufile);
+
+ if (!g_file_test(priv->filename, G_FILE_TEST_EXISTS)) {
+ return FALSE;
+ }
+
+ JsonParser * parser = json_parser_new();
+ if (!json_parser_load_from_file(parser, priv->filename, NULL)) {
+ g_warning("Unable to parse JSON file '%s'", priv->filename);
+ g_object_unref(parser);
+ return FALSE;
+ }
+
+ JsonNode * root = json_parser_get_root(parser);
+ JsonObject * rootobj = json_node_get_object(root);
+ if (rootobj == NULL) {
+ g_warning("Malformed LRU file. The root node is not an object.");
+ g_object_unref(parser);
+ return FALSE;
+ }
+
+ json_object_foreach_member(rootobj, load_file_object_cb, priv);
+
+ g_object_unref(parser);
return FALSE;
}
+/* Looks at the various things that we need on a node, makes
+ sure that we have them, and then copies them into the
+ application hash table of love. */
+static void
+load_file_object_cb (JsonObject * rootobj, const gchar * key, JsonNode * value, gpointer data)
+{
+ AppLruFilePrivate * priv = (AppLruFilePrivate *)data;
+
+ /* We're not looking at this today. */
+ if (!g_strcmp0(key, "version")) {
+ return;
+ }
+
+ JsonObject * obj = json_node_get_object(value);
+ if (obj == NULL) {
+ g_warning("Data for node '%s' is not an object.", key);
+ return;
+ }
+
+ const gchar * obj_category = json_object_get_string_member(obj, "category");
+ const gchar * obj_first = json_object_get_string_member(obj, "first-time");
+ const gchar * obj_last = json_object_get_string_member(obj, "last-time");
+
+ if (obj_category == NULL || obj_first == NULL || obj_last == NULL) {
+ g_warning("Node '%s' is missing data. Got: ('%s', '%s', '%s')", key, obj_category, obj_first, obj_last);
+ return;
+ }
+
+ gpointer datapntr = g_hash_table_lookup(priv->apps, key);
+ if (datapntr == NULL) {
+ /* Build a new node */
+ AppData * appdata = g_new0(AppData, 1);
+ appdata->category = g_strdup(obj_category);
+ g_time_val_from_iso8601(obj_first, &appdata->first_touched);
+ g_time_val_from_iso8601(obj_last, &appdata->last_touched);
+
+ g_hash_table_insert(priv->apps, g_strdup(key), appdata);
+ } else {
+ /* Merge nodes */
+ AppData * appdata = (AppData *)datapntr;
+ GTimeVal temptime;
+ g_time_val_from_iso8601(obj_first, &temptime);
+
+ if (temptime.tv_sec < appdata->first_touched.tv_sec) {
+ g_time_val_from_iso8601(obj_first, &appdata->first_touched);
+ }
+ }
+
+ return;
+}
+
/* Write out our cache to a file so that we can unmark the dirty
bit and be happy. */
static gboolean
@@ -197,7 +275,7 @@ clean_off_hash_cb (gpointer key, gpointer value, gpointer data)
gchar * firsttime = g_time_val_to_iso8601(&appdata->first_touched);
gchar * lasttime = g_time_val_to_iso8601(&appdata->last_touched);
- g_string_append_printf(string, ",\n \"%s\": { \"first-time\": \"%s\", \"last-time\": \"%s\"}", id, firsttime, lasttime);
+ g_string_append_printf(string, ",\n \"%s\": { \"first-time\": \"%s\", \"last-time\": \"%s\", \"category\": \"%s\"}", id, firsttime, lasttime, appdata->category);
g_free(lasttime);
g_free(firsttime);