FileIO.cpp

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  FileIO.cpp
 
  Leland Lucius
 
**********************************************************************/
 
#include "FileIO.h"
 
#include <wx/defs.h>
#include <wx/crt.h>
#include <wx/filename.h>
#include <wx/wfstream.h>
#include "wxFileNameWrapper.h"
 
FileIO::FileIO(const wxFileNameWrapper & name, FileIOMode mode)
: mMode(mode),
  mOpen(false)
{
   wxString scheme;
 
      auto path = name.GetFullPath();
      if (mMode == FileIO::Input) {
         mInputStream = std::make_unique<wxFFileInputStream>(path);
         if (mInputStream == NULL || !mInputStream->IsOk()) {
            wxPrintf(wxT("Couldn't get input stream: %s\n"), path);
            return;
         }
      }
      else {
         mOutputStream = std::make_unique<wxFFileOutputStream>(path);
         if (mOutputStream == NULL || !mOutputStream->IsOk()) {
            wxPrintf(wxT("Couldn't get output stream: %s\n"), path);
            return;
         }
      }
 
      mOpen = true;
}
 
FileIO::~FileIO()
{
   Close();
}
 
bool FileIO::IsOpened()
{
   return mOpen;
}
 
bool FileIO::Close()
{
   bool success = true;
   if (mOutputStream) {
      // mOutputStream->Sync() returns void!  Rrr!
      success = mOutputStream->GetFile()->Flush() &&
         mOutputStream->Close();
      mOutputStream.reset();
   }
   mInputStream.reset();
   mOpen = false;
   return success;
}
 
wxInputStream & FileIO::Read(void *buf, size_t size)
{
   if (mInputStream == NULL) {
      return *mInputStream;
   }
 
   return mInputStream->Read(buf, size);
}
 
wxOutputStream & FileIO::Write(const void *buf, size_t size)
{
   if (mOutputStream == NULL) {
      return *mOutputStream;
   }
 
   return mOutputStream->Write(buf, size);
}