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 #include "wx/object.h"
  17 #include "wx/stream.h"
  18
  19 #if !USE_SHARED_LIBRARY
  20 IMPLEMENT_ABSTRACT_CLASS(wxInputStream, wxObject)
  21 IMPLEMENT_ABSTRACT_CLASS(wxOutputStream, wxObject)
  22 IMPLEMENT_ABSTRACT_CLASS2(wxStream, wxInputStream, wxOutputStream)
  23 IMPLEMENT_CLASS(wxFilterInputStream, wxInputStream)
  24 #endif
  25
  26 wxInputStream::wxInputStream()
  27   : wxObject()
  28 {
  29 }
  30
  31 wxInputStream::~wxInputStream()
  32 {
  33 }
  34
  35 #define BUF_TEMP_SIZE 10000
  36
  37 wxInputStream& wxInputStream::Read(wxOutputStream& stream_out)
  38 {
  39   char buf[BUF_TEMP_SIZE];
  40   size_t bytes_read = BUF_TEMP_SIZE;
  41
  42   while (bytes_read == BUF_TEMP_SIZE && !stream_out.Bad()) {
  43     bytes_read = Read(buf, bytes_read).LastRead();
  44
  45     stream_out.Write(buf, bytes_read);
  46   }
  47   return *this;
  48 }
  49
  50 wxOutputStream::wxOutputStream()
  51   : wxObject()
  52 {
  53 }
  54
  55 wxOutputStream::~wxOutputStream()
  56 {
  57 }
  58
  59 wxOutputStream& wxOutputStream::Write(wxInputStream& stream_in)
  60 {
  61    stream_in.Read(*this);
  62    return *this;
  63 }
  64
  65 wxFilterInputStream::wxFilterInputStream(wxInputStream& stream)
  66   : wxInputStream()
  67 {
  68   m_parent_i_stream = &stream;
  69 }
  70
  71 wxFilterInputStream::~wxFilterInputStream()
  72 {
  73 }
  74
  75 wxFilterOutputStream::wxFilterOutputStream(wxOutputStream& stream)
  76   : wxOutputStream()
  77 {
  78   m_parent_o_stream = &stream;
  79 }
  80
  81 wxFilterOutputStream::~wxFilterOutputStream()
  82 {
  83 }