common: implement ident and selector manipulation

common/selector.c

@@ -0,0 +1,90 @@
+#include <ivy/selector.h>
+#include <blue/core/queue.h>
+#include <blue/object/string.h>
+#include <stdlib.h>
+#include <string.h>
+
+enum ivy_status ivy_selector_create(struct ivy_selector **sel)
+{
+	struct ivy_selector *out = malloc(sizeof *out);
+
+	if (!out) {
+		return IVY_ERR_NO_MEMORY;
+	}
+
+	memset(out, 0x0, sizeof *out);
+
+	*sel = out;
+	return IVY_OK;
+}
+
+void ivy_selector_destroy(struct ivy_selector *sel)
+{
+	if (sel->sel_name) {
+		free(sel->sel_name);
+	}
+
+	b_queue_iterator it = {0};
+	b_queue_iterator_begin(&sel->sel_args, &it);
+	while (b_queue_iterator_is_valid(&it)) {
+		struct ivy_selector_arg *arg = b_unbox(struct ivy_selector_arg, it.entry, arg_entry);
+		b_queue_iterator_erase(&it);
+
+		if (arg->arg_label) {
+			free(arg->arg_label);
+		}
+		
+		if (arg->arg_name) {
+			free(arg->arg_name);
+		}
+
+		free(arg);
+	}
+
+	free(sel);
+}
+
+void ivy_selector_set_recipient(
+	struct ivy_selector *sel, enum ivy_selector_recipient r)
+{
+	sel->sel_recipient = r;
+}
+
+enum ivy_status ivy_selector_set_name(struct ivy_selector *sel, const char *name)
+{
+	sel->sel_name = b_strdup(name);
+	return sel->sel_name ? IVY_OK : IVY_ERR_NO_MEMORY;
+}
+
+enum ivy_status ivy_selector_add_arg(
+	struct ivy_selector *sel, const char *label, const char *name)
+{
+	struct ivy_selector_arg *arg = malloc(sizeof *arg);
+	if (!arg) {
+		return IVY_ERR_NO_MEMORY;
+	}
+
+	memset(arg, 0x0, sizeof *arg);
+
+	if (label) {
+		arg->arg_label = b_strdup(label);
+
+		if (!arg->arg_label) {
+			free(arg);
+			return IVY_ERR_NO_MEMORY;
+		}
+	}
+
+	if (name) {
+		arg->arg_name = b_strdup(name);
+
+		if (!arg->arg_name) {
+			free(arg->arg_label);
+			free(arg);
+			return IVY_ERR_NO_MEMORY;
+		}
+	}
+
+	b_queue_push_back(&sel->sel_args, &arg->arg_entry);
+	return IVY_OK;
+}