src/common/stream.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        stream.cpp
   3 // Purpose:     wxStream base classes
   4 // Author:      Guilhem Lavaux
   5 // Modified by:
   6 // Created:     11/07/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Guilhem Lavaux
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "stream.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18 #include <wx/stream.h>
  19
  20 #ifdef __BORLANDC__
  21 #pragma hdrstop
  22 #endif
  23
  24 wxInputStream::wxInputStream()
  25 {
  26 }
  27
  28 wxInputStream::~wxInputStream()
  29 {
  30 }
  31
  32 #define BUF_TEMP_SIZE 10000
  33
  34 wxInputStream& wxInputStream::Read(wxOutputStream& stream_out)
  35 {
  36   char buf[BUF_TEMP_SIZE];
  37   size_t bytes_read = BUF_TEMP_SIZE;
  38
  39   while (bytes_read == BUF_TEMP_SIZE && !stream_out.Bad()) {
  40     bytes_read = Read(buf, bytes_read).LastRead();
  41
  42     stream_out.Write(buf, bytes_read);
  43   }
  44   return *this;
  45 }
  46
  47 wxOutputStream::wxOutputStream()
  48 {
  49 }
  50
  51 wxOutputStream::~wxOutputStream()
  52 {
  53 }
  54
  55 wxOutputStream& wxOutputStream::Write(wxInputStream& stream_in)
  56 {
  57    stream_in.Read(*this);
  58    return *this;
  59 }
  60
  61 wxFilterInputStream::wxFilterInputStream(wxInputStream& stream)
  62   : wxInputStream()
  63 {
  64   m_parent_i_stream = &stream;
  65 }
  66
  67 wxFilterInputStream::~wxFilterInputStream()
  68 {
  69 }
  70
  71 wxFilterOutputStream::wxFilterOutputStream(wxOutputStream& stream)
  72   : wxOutputStream()
  73 {
  74   m_parent_o_stream = &stream;
  75 }
  76
  77 wxFilterOutputStream::~wxFilterOutputStream()
  78 {
  79 }