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 #define BUF_TEMP_SIZE 10000
  28
  29 #if !USE_SHARED_LIBRARY
  30 IMPLEMENT_CLASS(wxFileInputStream, wxInputStream)
  31 IMPLEMENT_CLASS(wxFileOutputStream, wxOutputStream)
  32 IMPLEMENT_CLASS2(wxFileStream, wxInputStream, wxOutputStream)
  33 #endif
  34
  35 // ----------------------------------------------------------------------------
  36 // wxFileInputStream
  37 // ----------------------------------------------------------------------------
  38
  39 wxFileInputStream::wxFileInputStream(const wxString& fileName)
  40   : wxFile(fileName, read)
  41 {
  42   m_lastread = 0;
  43 }
  44
  45 wxFileInputStream::~wxFileInputStream()
  46 {
  47 }
  48
  49 wxInputStream& wxFileInputStream::Read(void *buffer, size_t size)
  50 {
  51   m_lastread = wxFile::Read(buffer, size);
  52   return *this;
  53 }
  54
  55 off_t wxFileInputStream::SeekI(off_t pos, wxSeekMode mode)
  56 {
  57   return wxFile::Seek(pos, mode);
  58 }
  59
  60 off_t wxFileInputStream::TellI() const
  61 {
  62   return wxFile::Tell();
  63 }
  64
  65 // ----------------------------------------------------------------------------
  66 // wxFileOutputStream
  67 // ----------------------------------------------------------------------------
  68
  69 wxFileOutputStream::wxFileOutputStream(const wxString& fileName)
  70  : wxFile(fileName, write)
  71 {
  72   m_lastwrite = 0;
  73 }
  74
  75 wxFileOutputStream::~wxFileOutputStream()
  76 {
  77 }
  78
  79 wxOutputStream& wxFileOutputStream::Write(const void *buffer, size_t size)
  80 {
  81   m_lastwrite = wxFile::Write(buffer, size);
  82   m_bad = wxFile::Error();
  83   return *this;
  84 }
  85
  86 off_t wxFileOutputStream::TellO() const
  87 {
  88   return wxFile::Tell();
  89 }
  90
  91 off_t wxFileOutputStream::SeekO(off_t pos, wxSeekMode mode)
  92 {
  93   return wxFile::Seek(pos, mode);
  94 }
  95
  96 void wxFileOutputStream::Sync()
  97 {
  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 }