对外提供BOOL_MATCH头文件

inc/bool_matcher.h

@@ -0,0 +1,56 @@
+/*
+ *
+ * Copyright (c) 2018
+ * String Algorithms Research Group
+ * Institute of Information Engineering, Chinese Academy of Sciences (IIE-CAS)
+ * National Engineering Laboratory for Information Security Technologies (NELIST)
+ * All rights reserved
+ *
+ * Written by: LIU YANBING    (liuyanbing@iie.ac.cn)
+ * Last modification: 2018-12-31
+ *
+ * This code is the exclusive and proprietary property of IIE-CAS and NELIST. 
+ * Usage for direct or indirect commercial advantage is not allowed without 
+ * written permission from the authors.
+ *
+ */
+
+#ifndef INCLUDE_BOOL_MATCHER_H
+#define INCLUDE_BOOL_MATCHER_H
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+	#define MAX_ITEMS_PER_BOOL_EXPR   8
+
+	/*not_flag=0表示布尔项item_id必须出现；not_flag=1表示布尔项item_id不能出现*/
+	struct bool_item
+	{
+		unsigned long long item_id;
+		unsigned char      not_flag;
+	};
+
+	/*注意：不支持布尔项全“非”的情形*/
+	struct bool_expr
+	{
+		void * user_tag;
+		size_t item_num;
+		struct bool_item items[MAX_ITEMS_PER_BOOL_EXPR];
+	};
+
+	struct bool_matcher;
+
+	/*注意：本函数调用会交换bool_exprs中元素的位置*/
+	struct bool_matcher * bool_matcher_new(struct bool_expr * exprs, size_t expr_num, unsigned int max_thread_num, size_t * mem_size);
+
+	int bool_matcher_match(struct bool_matcher * matcher, unsigned int thread_id, const unsigned long long * item_ids, size_t item_num, void ** result, size_t size);
+
+	void bool_matcher_free(struct bool_matcher * matcher);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif