write get_length method

2 files changed, 7 insertions, 2 deletions

diff --git a/src/storage/chewing_large_table2.h b/src/storage/chewing_large_table2.h
index e9a64bd..9a20a2b 100644
--- a/src/storage/chewing_large_table2.h
+++ b/src/storage/chewing_large_table2.h
@@ -172,7 +172,12 @@ public:
     }
 
     /* get length method */
-    int get_length() const;
+    int get_length() const {
+        const IndexItem * begin = (IndexItem *) m_chunk.begin();
+        const IndexItem * end = (IndexItem *) m_chunk.end();
+
+        return end - begin;
+    }
 
     /* mask out method */
     bool mask_out(phrase_token_t mask, phrase_token_t value);
diff --git a/src/storage/phrase_large_table3.cpp b/src/storage/phrase_large_table3.cpp
index f1ae3e9..a769d0b 100644
--- a/src/storage/phrase_large_table3.cpp
+++ b/src/storage/phrase_large_table3.cpp
@@ -94,7 +94,7 @@ int PhraseTableEntry::get_length() const {
     const phrase_token_t * begin = (phrase_token_t *) m_chunk.begin();
     const phrase_token_t * end = (phrase_token_t *) m_chunk.end();
 
-    return begin - end;
+    return end - begin;
 }
 
 /* mask out method */