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 #define BUF_TEMP_SIZE 10000
  27
  28 // ----------------------------------------------------------------------------
  29 // wxFileInputStream
  30 // ----------------------------------------------------------------------------
  31
  32 wxFileInputStream::wxFileInputStream(const wxString& fileName)
  33   : wxFile(fileName, read)
  34 {
  35   m_i_streambuf->SetBufferIO(1024);
  36 }
  37
  38 wxFileInputStream::~wxFileInputStream()
  39 {
  40 }
  41
  42 char wxFileInputStream::Peek()
  43 {
  44   return 0;
  45 }
  46
  47 size_t wxFileInputStream::DoRead(void *buffer, size_t size)
  48 {
  49   return wxFile::Read(buffer, size);
  50 }
  51
  52 off_t wxFileInputStream::DoSeekInput(off_t pos, wxSeekMode mode)
  53 {
  54   return wxFile::Seek(pos, mode);
  55 }
  56
  57 off_t wxFileInputStream::DoTellInput() const
  58 {
  59   return wxFile::Tell();
  60 }
  61
  62 // ----------------------------------------------------------------------------
  63 // wxFileOutputStream
  64 // ----------------------------------------------------------------------------
  65
  66 wxFileOutputStream::wxFileOutputStream(const wxString& fileName)
  67  : wxFile(fileName, write)
  68 {
  69   m_o_streambuf->SetBufferIO(1024);
  70 }
  71
  72 wxFileOutputStream::~wxFileOutputStream()
  73 {
  74   Sync();
  75 }
  76
  77 size_t wxFileOutputStream::DoWrite(const void *buffer, size_t size)
  78 {
  79   size_t ret = wxFile::Write(buffer, size);
  80   m_bad = wxFile::Error();
  81   return ret;
  82 }
  83
  84 off_t wxFileOutputStream::DoTellOutput() const
  85 {
  86   return wxFile::Tell();
  87 }
  88
  89 off_t wxFileOutputStream::DoSeekOutput(off_t pos, wxSeekMode mode)
  90 {
  91   return wxFile::Seek(pos, mode);
  92 }
  93
  94 void wxFileOutputStream::Sync()
  95 {
  96   wxOutputStream::Sync();
  97   wxFile::Flush();
  98 }
  99
 100 // ----------------------------------------------------------------------------
 101 // wxFileStream
 102 // ----------------------------------------------------------------------------
 103
 104 wxFileStream::wxFileStream(const wxString& fileName)
 105   : wxFile(fileName, read_write)
 106 {
 107 }
 108
 109 wxFileStream::~wxFileStream()
 110 {
 111 }