/////////////////////////////////////////////////////////////////////////////
-// Name: fstream.cpp
+// Name: src/common/fstream.cpp
// Purpose: "File stream" classes
// Author: Julian Smart
// Modified by:
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "wfstream.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
- #pragma hdrstop
+ #pragma hdrstop
#endif
#if wxUSE_STREAMS
-#include <stdio.h>
-#include "wx/stream.h"
#include "wx/wfstream.h"
+#ifndef WX_PRECOMP
+ #include "wx/stream.h"
+#endif
+
+#include <stdio.h>
+
#if wxUSE_FILE
// ----------------------------------------------------------------------------
{
m_file = new wxFile(fileName, wxFile::read);
m_file_destroy = true;
+ if ( !m_file->IsOpened() )
+ m_lasterror = wxSTREAM_READ_ERROR;
}
wxFileInputStream::wxFileInputStream()
return m_file->Tell();
}
+bool wxFileInputStream::IsOk() const
+{
+ return wxInputStream::IsOk() && m_file->IsOpened();
+}
+
// ----------------------------------------------------------------------------
// wxFileOutputStream
// ----------------------------------------------------------------------------
m_file_destroy = true;
if (!m_file->IsOpened())
- {
m_lasterror = wxSTREAM_WRITE_ERROR;
- }
- else
- {
- if (m_file->Error())
- m_lasterror = wxSTREAM_WRITE_ERROR;
- }
}
wxFileOutputStream::wxFileOutputStream(wxFile& file)
return m_file->Length();
}
+bool wxFileOutputStream::IsOk() const
+{
+ return wxOutputStream::IsOk() && m_file->IsOpened();
+}
+
+// ----------------------------------------------------------------------------
+// wxTempFileOutputStream
+// ----------------------------------------------------------------------------
+
+wxTempFileOutputStream::wxTempFileOutputStream(const wxString& fileName)
+{
+ m_file = new wxTempFile(fileName);
+
+ if (!m_file->IsOpened())
+ m_lasterror = wxSTREAM_WRITE_ERROR;
+}
+
+wxTempFileOutputStream::~wxTempFileOutputStream()
+{
+ if (m_file->IsOpened())
+ Discard();
+ delete m_file;
+}
+
+size_t wxTempFileOutputStream::OnSysWrite(const void *buffer, size_t size)
+{
+ if (IsOk() && m_file->Write(buffer, size))
+ return size;
+ m_lasterror = wxSTREAM_WRITE_ERROR;
+ return 0;
+}
+
// ----------------------------------------------------------------------------
// wxFileStream
// ----------------------------------------------------------------------------
wxFileStream::wxFileStream(const wxString& fileName)
- : wxFileInputStream(fileName)
+ : wxFileInputStream(),
+ wxFileOutputStream()
{
- wxFileOutputStream::m_file = wxFileInputStream::m_file;
+ wxFileOutputStream::m_file =
+ wxFileInputStream::m_file = new wxFile(fileName, wxFile::read_write);
+
+ // this is a bit ugly as streams are symmetric but we still have to delete
+ // the file we created above exactly once so we decide to (arbitrarily) do
+ // it in wxFileInputStream
+ wxFileInputStream::m_file_destroy = true;
}
-#endif //wxUSE_FILE
+bool wxFileStream::IsOk() const
+{
+ return wxFileOutputStream::IsOk() && wxFileInputStream::IsOk();
+}
+
+#endif // wxUSE_FILE
#if wxUSE_FFILE
// ----------------------------------------------------------------------------
wxFFileInputStream::wxFFileInputStream(const wxString& fileName,
- const wxChar *mode)
+ const wxString& mode)
: wxInputStream()
{
m_file = new wxFFile(fileName, mode);
m_file_destroy = true;
+
+ if (!m_file->IsOpened())
+ m_lasterror = wxSTREAM_WRITE_ERROR;
}
wxFFileInputStream::wxFFileInputStream()
return m_file->Tell();
}
+bool wxFFileInputStream::IsOk() const
+{
+ return wxStreamBase::IsOk() && m_file->IsOpened();
+}
+
// ----------------------------------------------------------------------------
// wxFFileOutputStream
// ----------------------------------------------------------------------------
wxFFileOutputStream::wxFFileOutputStream(const wxString& fileName,
- const wxChar *mode)
+ const wxString& mode)
{
m_file = new wxFFile(fileName, mode);
m_file_destroy = true;
return m_file->Length();
}
+bool wxFFileOutputStream::IsOk() const
+{
+ return wxStreamBase::IsOk() && m_file->IsOpened();
+}
+
// ----------------------------------------------------------------------------
// wxFFileStream
// ----------------------------------------------------------------------------
-wxFFileStream::wxFFileStream(const wxString& fileName)
- : wxFFileInputStream(fileName)
+wxFFileStream::wxFFileStream(const wxString& fileName, const wxString& mode)
+ : wxFFileInputStream(),
+ wxFFileOutputStream()
{
- wxFFileOutputStream::m_file = wxFFileInputStream::m_file;
+ wxASSERT_MSG( mode.find_first_of('+') != wxString::npos,
+ "must be opened in read-write mode for this class to work" );
+
+ wxFFileOutputStream::m_file =
+ wxFFileInputStream::m_file = new wxFFile(fileName, mode);
+
+ // see comment in wxFileStream ctor
+ wxFFileInputStream::m_file_destroy = true;
+}
+
+bool wxFFileStream::IsOk() const
+{
+ return wxFFileOutputStream::IsOk() && wxFFileInputStream::IsOk();
}
#endif //wxUSE_FFILE
#endif // wxUSE_STREAMS
-