Initial commit

src/ukb.c

@@ -0,0 +1,59 @@
+#include <ukb.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "utils.h"
+
+
+#define DECLARE(backend) extern const ukb_backend_t backend;
+#define REFERENCE(backend) &backend,
+
+/********************************* BACKENDS **********************************/
+
+#define UKB_BACKENDS(M) \
+    M(ukb_backend_sway)
+
+/*****************************************************************************/
+
+UKB_BACKENDS(DECLARE)
+
+const ukb_backend_t* ukb_backends[] = {
+    UKB_BACKENDS(REFERENCE)
+};
+
+size_t ukb_backends_number = ARRAY_SIZE(ukb_backends);
+
+
+const ukb_backend_t* ukb_find_available(void) {
+    for (size_t i = 0; i < ukb_backends_number; i++) {
+        if (ukb_backends[i]->can_use()) {
+            return ukb_backends[i];
+        }
+    }
+
+    return NULL;
+}
+
+const ukb_backend_t* ukb_find(const char* name) {
+    for (size_t i = 0; i < ukb_backends_number; i++) {
+        if (strcmp(ukb_backends[i]->name, name) == 0) {
+            return ukb_backends[i];
+        }
+    }
+
+    return NULL;
+}
+
+
+const char* ukb_backend_name(const ukb_backend_t *backend) {
+    return backend->name;
+}
+
+bool ukb_backend_can_use(const ukb_backend_t *backend) {
+    return backend->can_use();
+}
+
+ukb_err_t ukb_backend_listen(const ukb_backend_t *backend, ukb_layout_cb_t cb) {
+    return backend->listen(cb);
+}