src/common/fstream.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        fstream.cpp
   3 // Purpose:     "File stream" classes
   4 // Author:      Julian Smart
   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 "fstream.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18 #include <stdio.h>
  19 #include <wx/stream.h>
  20 #include <wx/fstream.h>
  21
  22 #ifdef __BORLANDC__
  23 #pragma hdrstop
  24 #endif
  25
  26 // ----------------------------------------------------------------------------
  27 // wxFileInputStream
  28 // ----------------------------------------------------------------------------
  29
  30 wxFileInputStream::wxFileInputStream(const wxString& fileName)
  31   : wxFile(fileName, read)
  32 {
  33   m_i_streambuf->SetBufferIO(1024);
  34 }
  35
  36 wxFileInputStream::~wxFileInputStream()
  37 {
  38 }
  39
  40 char wxFileInputStream::Peek()
  41 {
  42   return 0;
  43 }
  44
  45 size_t wxFileInputStream::DoRead(void *buffer, size_t size)
  46 {
  47   size_t ret = wxFile::Read(buffer, size);
  48   m_eof = wxFile::Eof();
  49
  50   return ret;
  51 }
  52
  53 off_t wxFileInputStream::DoSeekInput(off_t pos, wxSeekMode mode)
  54 {
  55   return wxFile::Seek(pos, mode);
  56 }
  57
  58 off_t wxFileInputStream::DoTellInput() const
  59 {
  60   return wxFile::Tell();
  61 }
  62
  63 // ----------------------------------------------------------------------------
  64 // wxFileOutputStream
  65 // ----------------------------------------------------------------------------
  66
  67 wxFileOutputStream::wxFileOutputStream(const wxString& fileName)
  68  : wxFile(fileName, write)
  69 {
  70   m_o_streambuf->SetBufferIO(1024);
  71 }
  72
  73 wxFileOutputStream::~wxFileOutputStream()
  74 {
  75   Sync();
  76 }
  77
  78 size_t wxFileOutputStream::DoWrite(const void *buffer, size_t size)
  79 {
  80   size_t ret = wxFile::Write(buffer, size);
  81   m_bad = wxFile::Error();
  82   return ret;
  83 }
  84
  85 off_t wxFileOutputStream::DoTellOutput() const
  86 {
  87   return wxFile::Tell();
  88 }
  89
  90 off_t wxFileOutputStream::DoSeekOutput(off_t pos, wxSeekMode mode)
  91 {
  92   return wxFile::Seek(pos, mode);
  93 }
  94
  95 void wxFileOutputStream::Sync()
  96 {
  97   wxOutputStream::Sync();
  98   wxFile::Flush();
  99 }
 100
 101 // ----------------------------------------------------------------------------
 102 // wxFileStream
 103 // ----------------------------------------------------------------------------
 104
 105 wxFileStream::wxFileStream(const wxString& fileName)
 106   : wxFile(fileName, read_write)
 107 {
 108 }
 109
 110 wxFileStream::~wxFileStream()
 111 {
 112 }