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 #if !USE_SHARED_LIBRARY
  25 IMPLEMENT_ABSTRACT_CLASS(wxInputStream, wxObject)
  26 IMPLEMENT_ABSTRACT_CLASS(wxOutputStream, wxObject)
  27 IMPLEMENT_CLASS(wxFilterInputStream, wxInputStream)
  28 IMPLEMENT_CLASS(wxFilterOutputStream, wxOutputStream)
  29 #endif
  30
  31 wxInputStream::wxInputStream()
  32   : wxObject()
  33 {
  34 }
  35
  36 wxInputStream::~wxInputStream()
  37 {
  38 }
  39
  40 #define BUF_TEMP_SIZE 10000
  41
  42 wxInputStream& wxInputStream::Read(wxOutputStream& stream_out)
  43 {
  44   char buf[BUF_TEMP_SIZE];
  45   size_t bytes_read = BUF_TEMP_SIZE;
  46
  47   while (bytes_read == BUF_TEMP_SIZE && !stream_out.Bad()) {
  48     bytes_read = Read(buf, bytes_read).LastRead();
  49
  50     stream_out.Write(buf, bytes_read);
  51   }
  52   return *this;
  53 }
  54
  55 wxOutputStream::wxOutputStream()
  56   : wxObject()
  57 {
  58 }
  59
  60 wxOutputStream::~wxOutputStream()
  61 {
  62 }
  63
  64 wxOutputStream& wxOutputStream::Write(wxInputStream& stream_in)
  65 {
  66    stream_in.Read(*this);
  67    return *this;
  68 }
  69
  70 wxFilterInputStream::wxFilterInputStream(wxInputStream& stream)
  71   : wxInputStream()
  72 {
  73   m_parent_i_stream = &stream;
  74 }
  75
  76 wxFilterInputStream::~wxFilterInputStream()
  77 {
  78 }
  79
  80 wxFilterOutputStream::wxFilterOutputStream(wxOutputStream& stream)
  81   : wxOutputStream()
  82 {
  83   m_parent_o_stream = &stream;
  84 }
  85
  86 wxFilterOutputStream::~wxFilterOutputStream()
  87 {
  88 }