1 files changed, 105 insertions, 0 deletions
diff --git a/src/utils/resource_mgr.c b/src/utils/resource_mgr.c
new file mode 100644
index 0000000..c9c86d3
--- /dev/null
+++ b/src/utils/resource_mgr.c
@@ -0,0 +1,105 @@
+/*
+ * This file is part of libdom.
+ * Licensed under the MIT License,
+ *			http://www.opensource.org/licenses/mit-license.php
+ * Copyright 2009 Bo Yang <struggleyb.nku@gmail.com>
+ */
+
+#include "resource_mgr.h"
+
+#include <string.h>
+#include <assert.h>
+
+#include <libwapcaplet/libwapcaplet.h>
+#include "core/string.h"
+
+/**
+ * Allocate some memory with this allocator
+ *
+ * \param res   The resource manager
+ * \param size  The size of memory to allocate
+ * \return the allocated memory pointer.
+ */
+void *_dom_resource_mgr_alloc(struct dom_resource_mgr *res, void *ptr, 
+		size_t size)
+{
+	return res->alloc(ptr, size, res->pw);
+}
+
+/**
+ * Create a dom_string using this resource manager
+ *
+ * \param res     The resource manager
+ * \param data    The data pointer
+ * \param len     The length of data
+ * \param result  The returned dom_string
+ * \return DOM_NO_ERR on success, appropriate dom_exception on failure.
+ */
+dom_exception _dom_resource_mgr_create_string(struct dom_resource_mgr *res,
+		const uint8_t *data, size_t len, struct dom_string **result)
+{
+	return dom_string_create(res->alloc, res->pw, data, len, result);
+}
+
+/**
+ * Create a lwc_string using this resource manager
+ *
+ * \param res     The resource manager
+ * \param data    The data pointer
+ * \param len     The length of the data
+ * \param result  The returned lwc_string
+ * \return DOM_NO_ERR on success, appropriate dom_exception on failure.
+ */
+dom_exception _dom_resource_mgr_create_lwcstring(struct dom_resource_mgr *res,
+		const uint8_t *data, size_t len, struct lwc_string_s **result)
+{
+	lwc_error lerr;
+
+	assert(res->ctx != NULL);
+
+	lerr = lwc_context_intern(res->ctx, (const char *) data, len, 
+			result);
+	
+	return _dom_exception_from_lwc_error(lerr);
+}
+
+/**
+ * Create a dom_string from a lwc_string using this resource manager
+ *
+ * \param res     The resource manager
+ * \param str     The dom_string to intern
+ * \param result  The returned lwc_string
+ * \return DOM_NO_ERR on success, appropriate dom_exception on failure.
+ */
+dom_exception _dom_resource_mgr_create_string_from_lwcstring(
+		struct dom_resource_mgr *res, struct lwc_string_s *str, 
+		struct dom_string **result)
+{
+	assert(res->ctx != NULL);
+
+	return _dom_string_create_from_lwcstring(res->alloc, res->pw, res->ctx, 
+				str, result);
+}
+
+/**
+ * Create a hash table using this resource manager
+ * 
+ * \param res     The resource manager
+ * \param chains  The number of buckets of the hash table
+ * \param f       The hash function 
+ * \param ht      The returned hash table
+ * \return DOM_NO_ERR on success, appropriate dom_exception on failure.
+ */
+dom_exception _dom_resource_mgr_create_hashtable(struct dom_resource_mgr *res,
+		size_t chains, dom_hash_func f, struct dom_hash_table **ht)
+{
+	struct dom_hash_table *ret;
+
+	ret = _dom_hash_create(chains, f, res->alloc, res->pw);
+	if (ret == NULL)
+		return DOM_NO_MEM_ERR;
+	
+	*ht = ret;
+	return DOM_NO_ERR;
+}
+