1 files changed, 25 insertions, 14 deletions

diff --git a/src/unstable/blob.h b/src/unstable/blob.h
index 6ce0c67..daee5f9 100644
--- a/src/unstable/blob.h
+++ b/src/unstable/blob.h
@@ -25,10 +25,16 @@ namespace Bu
     class Blob
     {
     public:
+        class iterator;
+        class const_iterator;
+
+    public:
         Blob();
         Blob( const Blob &rSrc );
         Blob( const char *pSrc );
         Blob( const void *pSrc, int32_t iSize );
+        Blob( const const_iterator &iStart );
+        Blob( const const_iterator &iStart, const const_iterator &iEnd );
         virtual ~Blob();
 
         int32_t getSize() const;
@@ -58,13 +64,22 @@ namespace Bu
         bool operator>=( const Blob &rRhs ) const;
         bool operator>=( const char *rRhs ) const;
 
-        class const_iterator;
+        iterator begin();
+        const_iterator begin() const;
+        iterator end();
+        const_iterator end() const;
+        iterator rbegin();
+        const_iterator rbegin() const;
+        iterator rend();
+        const_iterator rend() const;
+
         class iterator
         {
         friend class Blob;
         friend class const_iterator;
         private:
             iterator( Blob *pBlob, bool bForward );
+            iterator( Blob *pBlob, int32_t iIndex, bool bForward );
 
         public:
             iterator();
@@ -74,10 +89,12 @@ namespace Bu
             operator bool() const;
             char &operator *();
 
-            iterator &operator++( int );
+            iterator &operator++( int32_t );
             iterator &operator++();
-            iterator &operator--( int );
+            iterator &operator--( int32_t );
             iterator &operator--();
+            iterator operator+( int32_t iDelta ) const;
+            iterator operator-( int32_t iDelta ) const;
             bool operator==( const iterator &rRhs );
             bool operator==( const const_iterator &rRhs );
             bool operator!=( const iterator &rRhs );
@@ -97,6 +114,7 @@ namespace Bu
         friend class iterator;
         private:
             const_iterator( const Blob *pBlob, bool bForward );
+            const_iterator( const Blob *pBlob, int32_t iIndex, bool bForward );
 
         public:
             const_iterator();
@@ -107,10 +125,12 @@ namespace Bu
             operator bool() const;
             char operator *() const;
 
-            const_iterator &operator++( int );
+            const_iterator &operator++( int32_t );
             const_iterator &operator++();
-            const_iterator &operator--( int );
+            const_iterator &operator--( int32_t );
             const_iterator &operator--();
+            const_iterator operator+( int32_t iDelta ) const;
+            const_iterator operator-( int32_t iDelta ) const;
             bool operator==( const iterator &rRhs );
             bool operator==( const const_iterator &rRhs );
             bool operator!=( const iterator &rRhs );
@@ -125,15 +145,6 @@ namespace Bu
             bool bForward;
         };
 
-        iterator begin();
-        const_iterator begin() const;
-        iterator end();
-        const_iterator end() const;
-        iterator rbegin();
-        const_iterator rbegin() const;
-        iterator rend();
-        const_iterator rend() const;
-
     private:
         char *pData;
         int32_t iSize;