1 files changed, 107 insertions, 0 deletions
diff --git a/raslib/memblockvec.cc b/raslib/memblockvec.cc
new file mode 100644
index 0000000..9cffc51
--- /dev/null
+++ b/raslib/memblockvec.cc
@@ -0,0 +1,107 @@
+/*
+* 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.cc
+ *
+ * MODULE:  raslib
+ * CLASS:   r_Memory_Block_Vector
+ *
+ * COMMENTS:
+ *
+*/
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "raslib/memblockvec.hh"
+
+
+r_Memory_Block_Vector::r_Memory_Block_Vector( r_Bytes bsize, unsigned int gran )
+{
+  blockSize = bsize;
+  granularity = gran;
+
+  numBlocks = 0; maxBlocks = granularity;
+  blocks = new void*[granularity];
+}
+
+r_Memory_Block_Vector::~r_Memory_Block_Vector( void )
+{
+  free_data();
+  delete [] blocks;
+}
+
+void* r_Memory_Block_Vector::operator[]( unsigned int idx ) const
+{
+  if (idx >= numBlocks)
+    return NULL;
+
+  return blocks[idx];
+}
+
+void* r_Memory_Block_Vector::add( void )
+{
+  if (numBlocks >= maxBlocks)
+  {
+    void** newBlocks = new void*[maxBlocks + granularity];
+    memcpy(newBlocks, blocks, numBlocks * sizeof(void*));
+    delete [] blocks; blocks = newBlocks;
+    maxBlocks += granularity;
+  }
+  blocks[numBlocks++] = (void*)(new char[blockSize]);
+  return blocks[numBlocks-1];
+}
+
+void r_Memory_Block_Vector::free_data( void )
+{
+  unsigned int i;
+
+  for (i=0; i<numBlocks; i++)
+  {
+    delete [] blocks[i];
+    blocks[i] = NULL;
+  }
+  numBlocks = 0;
+}
+
+r_Bytes r_Memory_Block_Vector::get_size( r_Bytes lastFill ) const
+{
+  return (numBlocks == 0) ? 0 : (numBlocks-1)*blockSize + lastFill;
+}
+
+void r_Memory_Block_Vector::copy_data( void* dest, r_Bytes lastFill ) const
+{
+  unsigned int i;
+  void* destPtr = dest;
+
+  if (numBlocks == 0) return;
+
+  for (i=0; i<numBlocks-1; i++)
+  {
+    memcpy(destPtr, blocks[i], blockSize);
+    destPtr = (void*)(((char*)destPtr) + blockSize);
+  }
+  memcpy(destPtr, blocks[numBlocks-1], lastFill);
+}