增加新的table_type：文件摘要，根据摘要识别大体积文件。

src/inc_internal/great_index_engine.h

@@ -0,0 +1,59 @@
+#ifndef _GREAT_INDEX_ENGINE_
+#define _GREAT_INDEX_ENGINE_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define GIE_INSERT_OPT 0
+#define GIE_DELETE_OPT 1
+
+typedef struct 
+{
+	/* data */
+}GIE_handle_t;
+
+
+typedef struct 
+{
+	unsigned int id;
+	unsigned long long orilen;
+	char * fh;
+	void * tag;
+}fuzzy_digest_t;
+
+
+typedef struct 
+{
+	unsigned int id;
+	int confidence_level;
+	unsigned long long orilen;
+	void * tag;
+}result_t;
+
+
+typedef struct 
+{
+	unsigned long long precision;
+	int confidence_level_threshold;
+	double query_accuracy;
+}GIE_create_para_t;
+
+
+GIE_handle_t * GIE_create(GIE_create_para_t * usrpara);
+
+
+int GIE_update(GIE_handle_t * handle, fuzzy_digest_t ** digests, int size, int opration);
+
+
+int GIE_query(GIE_handle_t * handle, unsigned long long orilen, char * fuzzy_string, int strsize, result_t * results, int size);
+
+
+void GIE_destory(GIE_handle_t * handle);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif