1 files changed, 59 insertions, 0 deletions
diff --git a/src/map.c b/src/map.c
new file mode 100644
index 0000000..f71b794
--- /dev/null
+++ b/src/map.c
@@ -0,0 +1,59 @@
+// Copyright (c) 2023, Marvin Borner <dev@marvinborner.de>
+// SPDX-License-Identifier: MIT
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <lib/hashmap.h>
+#include <map.h>
+#include <lib/list.h>
+#include <parse.h>
+
+static struct hashmap *all_terms;
+
+static void hashmap_free_term(void *item)
+{
+	struct term *term = *(struct term **)item;
+	list_free(term->parents);
+	list_free(term->neighbours);
+	queue_free(term->queue);
+	free(term);
+}
+
+struct term *map_get(hash_t hash)
+{
+	struct term **handle = hashmap_get(all_terms, hash);
+	if (!handle)
+		return 0;
+	return *handle;
+}
+
+void map_set(struct term *term, hash_t hash)
+{
+	hashmap_set(all_terms, &term, hash);
+}
+
+void map_initialize(void)
+{
+	all_terms = hashmap_new(sizeof(struct term *), 0, hashmap_free_term);
+}
+
+void map_delete(struct term *term)
+{
+	hashmap_delete(all_terms, term->hash);
+}
+
+void map_destroy(void)
+{
+	hashmap_free(all_terms);
+}
+
+void map_foreach(void (*func)(struct term *))
+{
+	size_t iter = 0;
+	void *iter_val;
+	while (hashmap_iter(all_terms, &iter, &iter_val)) {
+		struct term *term = *(struct term **)iter_val;
+		func(term);
+	}
+}