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   return wxFile::Read(buffer, size);
  48 }
  49
  50 off_t wxFileInputStream::DoSeekInput(off_t pos, wxSeekMode mode)
  51 {
  52   return wxFile::Seek(pos, mode);
  53 }
  54
  55 off_t wxFileInputStream::DoTellInput() const
  56 {
  57   return wxFile::Tell();
  58 }
  59
  60 // ----------------------------------------------------------------------------
  61 // wxFileOutputStream
  62 // ----------------------------------------------------------------------------
  63
  64 wxFileOutputStream::wxFileOutputStream(const wxString& fileName)
  65  : wxFile(fileName, write)
  66 {
  67   m_o_streambuf->SetBufferIO(1024);
  68 }
  69
  70 wxFileOutputStream::~wxFileOutputStream()
  71 {
  72   Sync();
  73 }
  74
  75 size_t wxFileOutputStream::DoWrite(const void *buffer, size_t size)
  76 {
  77   size_t ret = wxFile::Write(buffer, size);
  78   m_bad = wxFile::Error();
  79   return ret;
  80 }
  81
  82 off_t wxFileOutputStream::DoTellOutput() const
  83 {
  84   return wxFile::Tell();
  85 }
  86
  87 off_t wxFileOutputStream::DoSeekOutput(off_t pos, wxSeekMode mode)
  88 {
  89   return wxFile::Seek(pos, mode);
  90 }
  91
  92 void wxFileOutputStream::Sync()
  93 {
  94   wxOutputStream::Sync();
  95   wxFile::Flush();
  96 }
  97
  98 // ----------------------------------------------------------------------------
  99 // wxFileStream
 100 // ----------------------------------------------------------------------------
 101
 102 wxFileStream::wxFileStream(const wxString& fileName)
 103   : wxFile(fileName, read_write)
 104 {
 105 }
 106
 107 wxFileStream::~wxFileStream()
 108 {
 109 }