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 #include <stdlib.h>
  19 #include <wx/stream.h>
  20 #include <wx/mstream.h>
  21
  22 #ifdef __BORLANDC__
  23 #pragma hdrstop
  24 #endif
  25
  26 // ----------------------------------------------------------------------------
  27 // wxMemoryInputStream
  28 // ----------------------------------------------------------------------------
  29
  30 wxMemoryInputStream::wxMemoryInputStream(const char *data, size_t len)
  31   : wxInputStream()
  32 {
  33   m_i_streambuf->SetBufferIO((char*) data, (char*) (data+len));
  34   m_i_streambuf->SetIntPosition(0); // seek to start pos
  35   m_i_streambuf->Fixed(TRUE);
  36   m_length = len;
  37 }
  38
  39 wxMemoryInputStream::~wxMemoryInputStream()
  40 {
  41 }
  42
  43 char wxMemoryInputStream::Peek()
  44 {
  45   return m_i_streambuf->GetBufferStart()[m_i_streambuf->GetIntPosition()];
  46 }
  47
  48 // ----------------------------------------------------------------------------
  49 // wxMemoryOutputStream
  50 // ----------------------------------------------------------------------------
  51
  52 wxMemoryOutputStream::wxMemoryOutputStream(char *data, size_t len)
  53   : wxOutputStream()
  54 {
  55   if (data)
  56     m_o_streambuf->SetBufferIO(data, data+len);
  57   m_o_streambuf->Fixed(TRUE);
  58 }
  59
  60 wxMemoryOutputStream::~wxMemoryOutputStream()
  61 {
  62 }