src/common/mstream.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        mstream.cpp
   3 // Purpose:     "Memory stream" classes
   4 // Author:      Guilhem Lavaux
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Guilhem Lavaux
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "mstream.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20   #pragma hdrstop
  21 #endif
  22
  23 #if wxUSE_STREAMS
  24
  25 #include <stdlib.h>
  26 #include <wx/stream.h>
  27 #include <wx/mstream.h>
  28
  29 // ----------------------------------------------------------------------------
  30 // wxMemoryInputStream
  31 // ----------------------------------------------------------------------------
  32
  33 wxMemoryInputStream::wxMemoryInputStream(const char *data, size_t len)
  34   : wxInputStream()
  35 {
  36   m_i_streambuf->SetBufferIO((char*) data, (char*) (data+len));
  37   m_i_streambuf->SetIntPosition(0); // seek to start pos
  38   m_i_streambuf->Fixed(TRUE);
  39   m_length = len;
  40 }
  41
  42 wxMemoryInputStream::~wxMemoryInputStream()
  43 {
  44 }
  45
  46 char wxMemoryInputStream::Peek()
  47 {
  48   return m_i_streambuf->GetBufferStart()[m_i_streambuf->GetIntPosition()];
  49 }
  50
  51 // ----------------------------------------------------------------------------
  52 // wxMemoryOutputStream
  53 // ----------------------------------------------------------------------------
  54
  55 wxMemoryOutputStream::wxMemoryOutputStream(char *data, size_t len)
  56   : wxOutputStream()
  57 {
  58   if (data)
  59     m_o_streambuf->SetBufferIO(data, data+len);
  60   m_o_streambuf->Fixed(TRUE);
  61 }
  62
  63 wxMemoryOutputStream::~wxMemoryOutputStream()
  64 {
  65 }
  66
  67 #endif