source/comm/LargeBinaryCodec.cpp

   1 // ANNA - Anna is Not Nothingness Anymore                                                         //
   2 //                                                                                                //
   3 // (c) Copyright 2005-2015 Eduardo Ramos Testillano & Francisco Ruiz Rayo                         //
   4 //                                                                                                //
   5 // See project site at http://redmine.teslayout.com/projects/anna-suite                           //
   6 // See accompanying file LICENSE or copy at http://www.teslayout.com/projects/public/anna.LICENSE //
   7
   8
   9 #include <anna/config/defines.hpp>
  10
  11 #include <anna/comm/LargeBinaryCodec.hpp>
  12 #include <anna/comm/functions.hpp>
  13
  14 using namespace std;
  15 using namespace anna;
  16
  17 void comm::LargeBinaryCodec::decode(const DataBlock& dataBlock)
  18 throw(RuntimeException) {
  19   DataBlock* block;
  20   comm::Codec::decode(dataBlock);
  21   const char* data = a_dataBlock.getData();
  22   int size;
  23   reset();
  24
  25   for(int pos = 0, maxpos = a_dataBlock.getSize(); pos < maxpos;) {
  26     if((pos + sizeof(int)) >= maxpos)
  27       throw RuntimeException("Iterator out of range", ANNA_FILE_LOCATION);
  28
  29     size = comm::functions::decodeInteger(data + pos);
  30
  31     if((pos + sizeof(int) + size) > maxpos)
  32       throw RuntimeException("Iterator out of range", ANNA_FILE_LOCATION);
  33
  34     block = new DataBlock(true);
  35     *block = DataBlock(data + sizeof(int) + pos, size, false);
  36     a_blocks.push_back(block);
  37     pos += sizeof(int) + size;
  38   }
  39 }
  40
  41 void comm::LargeBinaryCodec::reset()
  42 throw() {
  43   for(iterator ii = a_blocks.begin(), maxii = a_blocks.end(); ii != maxii; ii ++)
  44     delete data(ii);
  45
  46   a_blocks.clear();
  47 }
  48
  49 comm::LargeBinaryCodec& comm::LargeBinaryCodec::operator += (const DataBlock & dataBlock)
  50 throw(RuntimeException) {
  51   char size [sizeof(int)];
  52   a_dataBlock.append(functions::codeInteger(size, dataBlock.getSize()), sizeof(int));
  53   a_dataBlock += dataBlock;
  54   DataBlock* block = new DataBlock(true);
  55   *block = dataBlock;
  56   a_blocks.push_back(block);
  57   return *this;
  58 }
  59
  60