DataBufferFileSymbian.cpp

   1 #include "DataBufferFileSymbian.hpp"
   2
   3 DataBufferFileSymbian::DataBufferFileSymbian( RFile* f, int secondaryBufferSize )
   4         : m_file( f )
   5         , m_secBuf( new char[secondaryBufferSize] )
   6         , m_secBufSize( 0 )
   7 {
   8 }
   9
  10 DataBufferFileSymbian::~DataBufferFileSymbian()
  11 {
  12         delete[] m_secBuf;
  13
  14         m_file->Close();
  15         delete m_file;
  16 }
  17
  18 int DataBufferFileSymbian::Read( void* ptr, int size )
  19 {
  20         int bufSize = m_secBufSize;
  21         m_secBufSize = 0;
  22
  23         memcpy( ptr, m_secBuf, bufSize );
  24
  25         if( size - bufSize == 0 )
  26         {
  27                 return size;
  28         }
  29
  30         TPtr8 buf( reinterpret_cast<TUint8*>( (char*)ptr + bufSize ), 0, size - bufSize );
  31
  32         m_file->Read( buf, size - bufSize );
  33
  34         return buf.Length() + bufSize;
  35 }
  36
  37 int DataBufferFileSymbian::Write( void* ptr, int size )
  38 {
  39         TPtr8 buf( reinterpret_cast<TUint8*>( ptr ), size, size );
  40
  41         m_file->Write( buf, size );
  42
  43         return size;
  44 }
  45
  46 void DataBufferFileSymbian::Store( void* ptr, int size )
  47 {
  48         memcpy( m_secBuf, ptr, size );
  49         m_secBufSize = size;
  50 }