#2

1 files changed, 83 insertions, 0 deletions

diff --git a/src/core/registry.c b/src/core/registry.c
new file mode 100644
index 0000000..107cc66
--- /dev/null
+++ b/src/core/registry.c
@@ -0,0 +1,83 @@
+#include "hybbx/registry.h"
+#include "hybbx/limits.h"
+
+#include <string.h>
+
+typedef struct registry_entry {
+    const hybbx_transport_plugin_t *plugin;
+} registry_entry_t;
+
+static registry_entry_t g_registry[HYBBX_MAX_PLUGINS];
+static size_t g_registry_count = 0;
+
+hybbx_result_t hybbx_registry_register(const hybbx_transport_plugin_t *plugin)
+{
+    if (plugin == NULL || plugin->name == NULL) {
+        return HYBBX_ERR_INVALID;
+    }
+
+    if (hybbx_registry_find(plugin->name) != NULL) {
+        return HYBBX_ERR_BUSY;
+    }
+
+    if (g_registry_count >= HYBBX_MAX_PLUGINS) {
+        return HYBBX_ERR_NOMEM;
+    }
+
+    g_registry[g_registry_count].plugin = plugin;
+    g_registry_count++;
+    return HYBBX_OK;
+}
+
+hybbx_result_t hybbx_registry_unregister(const char *name)
+{
+    size_t i;
+
+    if (name == NULL) {
+        return HYBBX_ERR_INVALID;
+    }
+
+    for (i = 0; i < g_registry_count; i++) {
+        if (strcmp(g_registry[i].plugin->name, name) == 0) {
+            size_t remaining = g_registry_count - i - 1;
+            if (remaining > 0) {
+                memmove(&g_registry[i], &g_registry[i + 1],
+                        remaining * sizeof(registry_entry_t));
+            }
+            g_registry_count--;
+            return HYBBX_OK;
+        }
+    }
+
+    return HYBBX_ERR_NOT_FOUND;
+}
+
+const hybbx_transport_plugin_t *hybbx_registry_find(const char *name)
+{
+    size_t i;
+
+    if (name == NULL) {
+        return NULL;
+    }
+
+    for (i = 0; i < g_registry_count; i++) {
+        if (strcmp(g_registry[i].plugin->name, name) == 0) {
+            return g_registry[i].plugin;
+        }
+    }
+
+    return NULL;
+}
+
+void hybbx_registry_foreach(hybbx_registry_iter_fn fn, void *userdata)
+{
+    size_t i;
+
+    if (fn == NULL) {
+        return;
+    }
+
+    for (i = 0; i < g_registry_count; i++) {
+        fn(g_registry[i].plugin, userdata);
+    }
+}