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
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include "wx/setup.h"
  25 #endif
  26
  27 #include "wx/object.h"
  28 #include "wx/stream.h"
  29
  30 #if !USE_SHARED_LIBRARY
  31 IMPLEMENT_ABSTRACT_CLASS(wxInputStream, wxObject)
  32 IMPLEMENT_ABSTRACT_CLASS(wxOutputStream, wxObject)
  33 IMPLEMENT_ABSTRACT_CLASS2(wxStream, wxInputStream, wxOutputStream)
  34 IMPLEMENT_CLASS(wxFilterInputStream, wxInputStream)
  35 IMPLEMENT_CLASS(wxFilterOutputStream, wxOutputStream)
  36 #endif
  37
  38 wxInputStream::wxInputStream()
  39   : wxObject()
  40 {
  41 }
  42
  43 wxInputStream::~wxInputStream()
  44 {
  45 }
  46
  47 #define BUF_TEMP_SIZE 10000
  48
  49 wxInputStream& wxInputStream::Read(wxOutputStream& stream_out)
  50 {
  51   char buf[BUF_TEMP_SIZE];
  52   size_t bytes_read = BUF_TEMP_SIZE;
  53
  54   while (bytes_read == BUF_TEMP_SIZE && !stream_out.Bad()) {
  55     bytes_read = Read(buf, bytes_read).LastRead();
  56
  57     stream_out.Write(buf, bytes_read);
  58   }
  59   return *this;
  60 }
  61
  62 wxOutputStream::wxOutputStream()
  63   : wxObject()
  64 {
  65 }
  66
  67 wxOutputStream::~wxOutputStream()
  68 {
  69 }
  70
  71 wxOutputStream& wxOutputStream::Write(wxInputStream& stream_in)
  72 {
  73    stream_in.Read(*this);
  74    return *this;
  75 }
  76
  77 wxFilterInputStream::wxFilterInputStream(wxInputStream& stream)
  78   : wxInputStream()
  79 {
  80   m_parent_i_stream = &stream;
  81 }
  82
  83 wxFilterInputStream::~wxFilterInputStream()
  84 {
  85 }
  86
  87 wxFilterOutputStream::wxFilterOutputStream(wxOutputStream& stream)
  88   : wxOutputStream()
  89 {
  90   m_parent_o_stream = &stream;
  91 }
  92
  93 wxFilterOutputStream::~wxFilterOutputStream()
  94 {
  95 }