X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=TextStorage.h;h=3da3a1d551b6ba7b51ed46b691a00787a10b4e7c;hb=975bd2cc156043da749bb43b2fcf63d1f30df63e;hp=237bc44698ce36fd31a09fe5492ebdea13af1b1c;hpb=b8470e984146c62910517a2ec762d2ede97c2d96;p=SXSI%2FTextCollection.git

diff --git a/TextStorage.h b/TextStorage.h
index 237bc44..3da3a1d 100644
--- a/TextStorage.h
+++ b/TextStorage.h
@@ -35,8 +35,7 @@ public:
     // Define a shortcut
     typedef TextCollection::TextPosition TextPosition;
     // Block size in DeltaVector
-    const static CSA::usint DV_BLOCK_SIZE = 16;
-
+    const static CSA::usint DV_BLOCK_SIZE = 32;
 
     TextStorage(uchar *text, TextPosition n)
         : n_(n), text_(text), offsets_(0), numberOfTexts_(0)
@@ -77,13 +76,23 @@ public:
 
     uchar * GetText(TextCollection::DocId docId)
     {
-        assert(docId < numberOfTexts_);
+        assert(docId < (TextCollection::DocId)numberOfTexts_);
 
         TextPosition offset = offsets_->select(docId);
         return &text_[offset];
     }
 
+    TextCollection::DocId DocIdAtTextPos(TextCollection::TextPosition i)
+    {
+        assert(i < n_);
+        return offsets_->rank(i)-1;
+    }
 
+    TextCollection::TextPosition TextStartPos(TextCollection::DocId i)
+    {
+        assert(i < (TextCollection::DocId)numberOfTexts_);
+        return offsets_->select(i);
+    }
 
 private:
     void initOffsets()