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+/*
+* This file is part of rasdaman community.
+*
+* Rasdaman community is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* Rasdaman community is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with rasdaman community.  If not, see <http://www.gnu.org/licenses/>.
+*
+* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
+rasdaman GmbH.
+*
+* For more information please see <http://www.rasdaman.org>
+* or contact Peter Baumann via <baumann@rasdaman.com>.
+/
+/**
+ * INCLUDE: memblockvec.hh
+ *
+ * MODULE:  raslib
+ * CLASS:   r_Memory_Block_Vector
+ *
+ * COMMENTS:
+ *
+*/
+
+#ifndef _MEMORY_BLOCK_VECTOR_H_
+#define _MEMORY_BLOCK_VECTOR_H_
+
+#include "raslib/mddtypes.hh"
+
+
+//@ManMemo: Module {\bf raslib}
+
+/*@Doc:
+  Auxiliary class, realizes a set of memory blocks of equal size that can
+  be extended to any size. Used by some children of r_LinCompStream.
+*/
+
+class r_Memory_Block_Vector
+{
+public:
+  /// constructor, receiving the size of each memory block and the granularity
+  /// for extending the number of blocks.
+  r_Memory_Block_Vector( r_Bytes bsize=4096, unsigned int gran=8 );
+  /// destructor
+  ~r_Memory_Block_Vector( void );
+  /// return number of blocks
+  inline unsigned int get_number( void ) const {return numBlocks;}
+  /// return block size
+  inline r_Bytes get_block_size( void ) const {return blockSize;}
+  /// return granularity
+  inline unsigned int get_granularity( void ) const {return granularity;}
+  /// get a block
+  void* operator[]( unsigned int idx ) const;
+  /// add a new block and return a pointer to it
+  void* add( void );
+  /// free all blocks (but not the vector, call the destructor for that)
+  void free_data( void );
+  /// get number of bytes stored. lastFill is the number of bytes used
+  /// in the last block
+  r_Bytes get_size( r_Bytes lastFill ) const;
+  /// Copy the data stored in blocks into linear memory. lastFill is the
+  /// number of bytes in the last block
+  void copy_data( void* dest, r_Bytes lastFill ) const;
+
+protected:
+  /// the array of memory block pointers
+  void** blocks;
+  unsigned int numBlocks;
+  unsigned int maxBlocks;
+  /// the size of the blocks
+  r_Bytes blockSize;
+  /// the granularity
+  unsigned int granularity;
+};
+
+#endif