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_lastread = 0;
  36 }
  37
  38 wxFileInputStream::~wxFileInputStream()
  39 {
  40 }
  41
  42 wxInputStream& wxFileInputStream::Read(void *buffer, size_t size)
  43 {
  44   m_lastread = wxFile::Read(buffer, size);
  45   return *this;
  46 }
  47
  48 off_t wxFileInputStream::SeekI(off_t pos, wxSeekMode mode)
  49 {
  50   return wxFile::Seek(pos, mode);
  51 }
  52
  53 off_t wxFileInputStream::TellI() const
  54 {
  55   return wxFile::Tell();
  56 }
  57
  58 // ----------------------------------------------------------------------------
  59 // wxFileOutputStream
  60 // ----------------------------------------------------------------------------
  61
  62 wxFileOutputStream::wxFileOutputStream(const wxString& fileName)
  63  : wxFile(fileName, write)
  64 {
  65   m_lastwrite = 0;
  66 }
  67
  68 wxFileOutputStream::~wxFileOutputStream()
  69 {
  70 }
  71
  72 wxOutputStream& wxFileOutputStream::Write(const void *buffer, size_t size)
  73 {
  74   m_lastwrite = wxFile::Write(buffer, size);
  75   m_bad = wxFile::Error();
  76   return *this;
  77 }
  78
  79 off_t wxFileOutputStream::TellO() const
  80 {
  81   return wxFile::Tell();
  82 }
  83
  84 off_t wxFileOutputStream::SeekO(off_t pos, wxSeekMode mode)
  85 {
  86   return wxFile::Seek(pos, mode);
  87 }
  88
  89 void wxFileOutputStream::Sync()
  90 {
  91   wxFile::Flush();
  92 }
  93
  94 // ----------------------------------------------------------------------------
  95 // wxFileStream
  96 // ----------------------------------------------------------------------------
  97
  98 wxFileStream::wxFileStream(const wxString& fileName)
  99   : wxFile(fileName, read_write)
 100 {
 101 }
 102
 103 wxFileStream::~wxFileStream()
 104 {
 105 }