summaryrefslogtreecommitdiff
path: root/include/gram_index_engine.h
diff options
context:
space:
mode:
author陈冠林 <[email protected]>2019-06-18 10:44:20 +0800
committer陈冠林 <[email protected]>2019-06-18 10:44:20 +0800
commitb2a2f39d89b3bd154da10eb619f8a40c7c6b15d2 (patch)
treeb7a7d489030cfcc3b2fa878520d8c5d42dc5fce6 /include/gram_index_engine.h
parentb026525362d7f3b0ad58fb74362bf7f95ab515e8 (diff)
添加inc和srcHEADmaster
Diffstat (limited to 'include/gram_index_engine.h')
-rw-r--r--include/gram_index_engine.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/include/gram_index_engine.h b/include/gram_index_engine.h
new file mode 100644
index 0000000..a69e924
--- /dev/null
+++ b/include/gram_index_engine.h
@@ -0,0 +1,68 @@
+#ifndef _GRAM_INDEX_ENGINE_
+#define _GRAM_INDEX_ENGINE_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define GIE_INSERT_OPT 0
+#define GIE_DELETE_OPT 1
+#define GIE_INPUT_FORMAT_SFH 1
+#define GIE_INPUT_FORMAT_PLAIN 0
+
+
+typedef struct
+{
+ /* data */
+}GIE_handle_t;
+
+
+typedef struct
+{
+ unsigned int id;
+ unsigned int sfh_length;//size of fuzzy_hash
+ short operation;//GIE_INSERT_OPT or GIE_DELETE_OPT.if operation is GIE_DELETE_OPT, only id is needed;
+ short cfds_lvl;
+ char * sfh;
+ void * tag;
+}GIE_digest_t;
+
+
+typedef struct
+{
+ unsigned int id;
+ short cfds_lvl;
+ void * tag;
+}GIE_result_t;
+
+
+typedef struct
+{
+ unsigned int gram_value;
+ //unsigned int htable_num;
+ unsigned int position_accuracy;
+ short format; //if format==GIE_INPUT_FORMAT_SFH, means the input string is a GIE_INPUT_FORMAT_SFH string
+ //else id format==PALIN, means the input string is common string
+ short ED_reexamine;//if ED_reexamine==1, calculate edit distance to verify the final result
+}GIE_create_para_t;
+
+
+GIE_handle_t * GIE_create(const GIE_create_para_t * para);
+
+
+int GIE_update(GIE_handle_t * handle, GIE_digest_t ** digests, int size);
+
+
+//return actual matched result count
+//return 0 when matched nothing;
+//return -1 when error occurs;
+int GIE_query(GIE_handle_t * handle, const char * data, int data_len, GIE_result_t * results, int result_size);
+
+void GIE_destory(GIE_handle_t * handle);
+int GIE_string_similiarity(const char *str1, int len1, const char *str2, int len2);
+int GIE_sfh_similiarity(const char *sfh1, int len1, const char *sfh2, int len2);
+
+#ifdef __cplusplus
+}
+#endif
+#endif