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 // ----------------------------------------------------------------------------
  25 // wxInputStream
  26 // ----------------------------------------------------------------------------
  27
  28 wxInputStream::wxInputStream()
  29 {
  30 }
  31
  32 wxInputStream::~wxInputStream()
  33 {
  34 }
  35
  36 #define BUF_TEMP_SIZE 10000
  37
  38 wxInputStream& wxInputStream::Read(wxOutputStream& stream_out)
  39 {
  40   char buf[BUF_TEMP_SIZE];
  41   size_t bytes_read = BUF_TEMP_SIZE;
  42
  43   while (bytes_read == BUF_TEMP_SIZE && !stream_out.Bad()) {
  44     bytes_read = Read(buf, bytes_read).LastRead();
  45
  46     stream_out.Write(buf, bytes_read);
  47   }
  48   return *this;
  49 }
  50
  51 int wxInputStream::Scanf(const wxString& format, ...)
  52 {
  53   va_list params;
  54
  55   va_start(params, format);
  56   va_end(params);
  57 }
  58
  59 wxInputStream& wxInputStream::operator>>(wxString& line)
  60 {
  61   wxDataInputStream s(*this);
  62
  63   line = s.ReadLine();
  64   return *this;
  65 }
  66
  67 wxInputStream& wxInputStream::operator>>(char& c)
  68 {
  69   c = GetC();
  70 }
  71
  72 wxInputStream& wxInputStream::operator>>(short& i)
  73 {
  74   Scanf("%i", &i);
  75   return *this;
  76 }
  77
  78 wxInputStream& wxInputStream::operator>>(long& i)
  79 {
  80   Scanf("%l", &i);
  81   return *this;
  82 }
  83
  84 wxInputStream& wxInputStream::operator>>(float& f)
  85 {
  86   Scanf("%f", &f);
  87   return *this;
  88 }
  89
  90 // ----------------------------------------------------------------------------
  91 // wxOutputStream
  92 // ----------------------------------------------------------------------------
  93 wxOutputStream::wxOutputStream()
  94 {
  95 }
  96
  97 wxOutputStream::~wxOutputStream()
  98 {
  99 }
 100
 101 wxOutputStream& wxOutputStream::Write(wxInputStream& stream_in)
 102 {
 103    stream_in.Read(*this);
 104    return *this;
 105 }
 106
 107 // ----------------------------------------------------------------------------
 108 // wxFilterInputStream
 109 // ----------------------------------------------------------------------------
 110 wxFilterInputStream::wxFilterInputStream(wxInputStream& stream)
 111   : wxInputStream()
 112 {
 113   m_parent_i_stream = &stream;
 114 }
 115
 116 wxFilterInputStream::~wxFilterInputStream()
 117 {
 118 }
 119
 120 // ----------------------------------------------------------------------------
 121 // wxFilterOutputStream
 122 // ----------------------------------------------------------------------------
 123 wxFilterOutputStream::wxFilterOutputStream(wxOutputStream& stream)
 124   : wxOutputStream()
 125 {
 126   m_parent_o_stream = &stream;
 127 }
 128
 129 wxFilterOutputStream::~wxFilterOutputStream()
 130 {
 131 }