Rename git_khash_str to git_strmap, etc.

This renamed `git_khash_str` to `git_strmap`, `git_hash_oid` to
`git_oidmap`, and deletes `git_hashtable` from the tree, plus
adds unit tests for `git_strmap`.

1 files changed, 54 insertions, 0 deletions

diff --git a/src/strmap.h b/src/strmap.h
new file mode 100644
index 000000000..55fbd7c6e
--- /dev/null
+++ b/src/strmap.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2012 the libgit2 contributors
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+#ifndef INCLUDE_strmap_h__
+#define INCLUDE_strmap_h__
+
+#include "common.h"
+
+#define kmalloc git__malloc
+#define kcalloc git__calloc
+#define krealloc git__realloc
+#define kfree git__free
+#include "khash.h"
+
+__KHASH_TYPE(str, const char *, void *);
+typedef khash_t(str) git_strmap;
+
+#define GIT__USE_STRMAP \
+	__KHASH_IMPL(str, static inline, const char *, void *, 1, kh_str_hash_func, kh_str_hash_equal)
+
+#define git_strmap_alloc()  kh_init(str)
+#define git_strmap_free(h)  kh_destroy(str, h), h = NULL
+#define git_strmap_clear(h) kh_clear(str, h)
+
+#define git_strmap_num_entries(h) kh_size(h)
+
+#define git_strmap_lookup_index(h, k)  kh_get(str, h, k)
+#define git_strmap_valid_index(h, idx) (idx != kh_end(h))
+
+#define git_strmap_exists(h, k) (kh_get(str, h, k) != kh_end(h))
+
+#define git_strmap_value_at(h, idx)        kh_val(h, idx)
+#define git_strmap_set_value_at(h, idx, v) kh_val(h, idx) = v
+#define git_strmap_delete_at(h, idx)       kh_del(str, h, idx)
+
+#define git_strmap_insert(h, key, val, err) do { \
+	khiter_t __pos = kh_put(str, h, key, &err); \
+	if (err >= 0) kh_val(h, __pos) = val; \
+	} while (0)
+
+#define git_strmap_insert2(h, key, val, old, err) do { \
+	khiter_t __pos = kh_put(str, h, key, &err); \
+	if (err >= 0) { \
+		old = (err == 0) ? kh_val(h, __pos) : NULL; \
+		kh_val(h, __pos) = val; \
+	} } while (0)
+
+#define git_strmap_foreach		kh_foreach
+#define git_strmap_foreach_value	kh_foreach_value
+
+#endif