From 6fccac3372170153b59e829d11c6c0b0a5c2bc77 Mon Sep 17 00:00:00 2001
From: omniscient <17525998+omnisci3nce@users.noreply.github.com>
Date: Wed, 19 Jun 2024 15:15:39 +1000
Subject: start fleshing out API for hashmap / hashset

---
 src/std/containers/container_utils.h | 18 ++++++++++++++++++
 src/std/containers/hashmap.h         | 28 ++++++++++++++++++++++++++++
 src/std/containers/hashset.h         | 21 ++++++++++++++++++++-
 src/std/containers/hashtable.h       | 10 ----------
 src/std/mem.h                        |  8 ++++++++
 5 files changed, 74 insertions(+), 11 deletions(-)
 create mode 100644 src/std/containers/container_utils.h
 create mode 100644 src/std/containers/hashmap.h
 delete mode 100644 src/std/containers/hashtable.h

diff --git a/src/std/containers/container_utils.h b/src/std/containers/container_utils.h
new file mode 100644
index 0000000..39906c3
--- /dev/null
+++ b/src/std/containers/container_utils.h
@@ -0,0 +1,18 @@
+/**
+ * @file container_utils.h
+ * @author your name (you@domain.com)
+ * @brief 
+ * @version 0.1
+ * @date 2024-06-19
+ * 
+ * @copyright Copyright (c) 2024
+ * 
+ */
+
+#pragma once
+
+typedef struct generic_iterator {
+
+} generic_iterator;
+
+typedef void* (*iterator_next_item)(void* iterator);
\ No newline at end of file
diff --git a/src/std/containers/hashmap.h b/src/std/containers/hashmap.h
new file mode 100644
index 0000000..64a5bf7
--- /dev/null
+++ b/src/std/containers/hashmap.h
@@ -0,0 +1,28 @@
+/**
+ * @file hashmap.h
+ * @author your name (you@domain.com)
+ * @brief
+ * @version 0.1
+ * @date 2024-04-27
+ *
+ * @copyright Copyright (c) 2024
+ *
+ */
+
+
+typedef struct hashmap hashmap;
+
+/*
+Example usage
+-------------
+init hashmap
+insert (string, material)
+get (string) -> material_opt or material* ?
+ 
+*/
+
+void hashmap_init(hashmap* map);
+
+// ...
+
+void hashmap_free(hashmap* map);
\ No newline at end of file
diff --git a/src/std/containers/hashset.h b/src/std/containers/hashset.h
index d153fd2..978ec00 100644
--- a/src/std/containers/hashset.h
+++ b/src/std/containers/hashset.h
@@ -7,4 +7,23 @@
  *
  * @copyright Copyright (c) 2024
  *
- */
\ No newline at end of file
+ */
+
+#include "defines.h"
+
+typedef struct hashset hashset;
+
+/** @brief Describes a function that will take a pointer to a datatype (e.g. a u64 or a struct) 
+           and return a hashed key. */
+typedef uint64_t (*hash_item)(void* item);
+
+void hashset_init(hashset* set, hash_item hash_func, size_t initial_capacity);
+// TODO: void hashset_from_iterator();
+bool hashset_insert(hashset* set, void* item, uint64_t* out_key);
+void hashset_batch_insert(hashset* set, void* items, u64 item_count);
+bool hashset_contains(hashset* set, void* item);
+bool hashset_remove_item(hashset* set, void* item);
+bool hashset_remove_key(hashset* set, uint64_t key);
+void hashset_merge(hashset* set_a, hashset* set_b);
+hashset* hashset_merge_cloned(hashset* set_a, hashset* set_b);
+void hashset_free(hashset* set);
\ No newline at end of file
diff --git a/src/std/containers/hashtable.h b/src/std/containers/hashtable.h
deleted file mode 100644
index f5d98e7..0000000
--- a/src/std/containers/hashtable.h
+++ /dev/null
@@ -1,10 +0,0 @@
-/**
- * @file hashtable.h
- * @author your name (you@domain.com)
- * @brief
- * @version 0.1
- * @date 2024-04-27
- *
- * @copyright Copyright (c) 2024
- *
- */
\ No newline at end of file
diff --git a/src/std/mem.h b/src/std/mem.h
index 6e76763..8ab6f46 100644
--- a/src/std/mem.h
+++ b/src/std/mem.h
@@ -12,6 +12,14 @@
 #include <stddef.h>
 #include "defines.h"
 
+typedef void* (*alloc_fn)(size_t size);
+typedef void (*free_fn)(void* ptr);
+
+typedef struct allocator_t {
+  alloc_fn alloc;
+  free_fn free;
+} allocator_t;
+
 // --- Arena
 
 // Inspired by https://nullprogram.com/blog/2023/09/27/
-- 
cgit v1.2.3-70-g09d2