// Author: Guilhem Lavaux
// Modified by:
// Created: 11/07/98
-// RCS-ID: $Id$
// Copyright: (c) Guilhem Lavaux
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_WXFSTREAM_H__
#define _WX_WXFSTREAM_H__
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma interface "wfstream.h"
-#endif
-
#include "wx/defs.h"
-#if wxUSE_STREAMS && wxUSE_FILE
+#if wxUSE_STREAMS
#include "wx/object.h"
#include "wx/string.h"
#include "wx/file.h"
#include "wx/ffile.h"
+#if wxUSE_FILE
+
// ----------------------------------------------------------------------------
// wxFileStream using wxFile
// ----------------------------------------------------------------------------
wxFileInputStream(const wxString& ifileName);
wxFileInputStream(wxFile& file);
wxFileInputStream(int fd);
- ~wxFileInputStream();
+ virtual ~wxFileInputStream();
wxFileOffset GetLength() const;
- bool Ok() const { return m_file->IsOpened(); }
+ bool Ok() const { return IsOk(); }
+ virtual bool IsOk() const;
+ bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
+
+ wxFile* GetFile() const { return m_file; }
protected:
wxFileInputStream();
wxFile *m_file;
bool m_file_destroy;
- DECLARE_NO_COPY_CLASS(wxFileInputStream)
+ wxDECLARE_NO_COPY_CLASS(wxFileInputStream);
};
class WXDLLIMPEXP_BASE wxFileOutputStream : public wxOutputStream
bool Close() { return m_file_destroy ? m_file->Close() : true; }
wxFileOffset GetLength() const;
- bool Ok() const { return m_file->IsOpened(); }
+ bool Ok() const { return IsOk(); }
+ virtual bool IsOk() const;
+ bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
+
+ wxFile* GetFile() const { return m_file; }
protected:
wxFileOutputStream();
wxFile *m_file;
bool m_file_destroy;
- DECLARE_NO_COPY_CLASS(wxFileOutputStream)
+ wxDECLARE_NO_COPY_CLASS(wxFileOutputStream);
+};
+
+class WXDLLIMPEXP_BASE wxTempFileOutputStream : public wxOutputStream
+{
+public:
+ wxTempFileOutputStream(const wxString& fileName);
+ virtual ~wxTempFileOutputStream();
+
+ bool Close() { return Commit(); }
+ WXDLLIMPEXP_INLINE_BASE virtual bool Commit() { return m_file->Commit(); }
+ WXDLLIMPEXP_INLINE_BASE virtual void Discard() { m_file->Discard(); }
+
+ wxFileOffset GetLength() const { return m_file->Length(); }
+ bool IsSeekable() const { return true; }
+
+protected:
+ size_t OnSysWrite(const void *buffer, size_t size);
+ wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode)
+ { return m_file->Seek(pos, mode); }
+ wxFileOffset OnSysTell() const { return m_file->Tell(); }
+
+private:
+ wxTempFile *m_file;
+
+ wxDECLARE_NO_COPY_CLASS(wxTempFileOutputStream);
};
class WXDLLIMPEXP_BASE wxFileStream : public wxFileInputStream,
{
public:
wxFileStream(const wxString& fileName);
+ virtual bool IsOk() const;
+
+ // override (some) virtual functions inherited from both classes to resolve
+ // ambiguities (this wouldn't be necessary if wxStreamBase were a virtual
+ // base class but it isn't)
+
+ virtual bool IsSeekable() const
+ {
+ return wxFileInputStream::IsSeekable();
+ }
+
+ virtual wxFileOffset GetLength() const
+ {
+ return wxFileInputStream::GetLength();
+ }
+
+protected:
+ virtual wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode)
+ {
+ return wxFileInputStream::OnSysSeek(pos, mode);
+ }
+
+ virtual wxFileOffset OnSysTell() const
+ {
+ return wxFileInputStream::OnSysTell();
+ }
private:
- DECLARE_NO_COPY_CLASS(wxFileStream)
+ wxDECLARE_NO_COPY_CLASS(wxFileStream);
};
+#endif //wxUSE_FILE
+
+#if wxUSE_FFILE
+
// ----------------------------------------------------------------------------
// wxFFileStream using wxFFile
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_BASE wxFFileInputStream : public wxInputStream
{
public:
- wxFFileInputStream(const wxString& fileName, const wxChar *mode = _T("rb"));
+ wxFFileInputStream(const wxString& fileName, const wxString& mode = "rb");
wxFFileInputStream(wxFFile& file);
wxFFileInputStream(FILE *file);
- ~wxFFileInputStream();
+ virtual ~wxFFileInputStream();
wxFileOffset GetLength() const;
- bool Ok() const { return m_file->IsOpened(); }
+ bool Ok() const { return IsOk(); }
+ virtual bool IsOk() const;
+ bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
+
+ wxFFile* GetFile() const { return m_file; }
protected:
wxFFileInputStream();
wxFFile *m_file;
bool m_file_destroy;
- DECLARE_NO_COPY_CLASS(wxFFileInputStream)
+ wxDECLARE_NO_COPY_CLASS(wxFFileInputStream);
};
class WXDLLIMPEXP_BASE wxFFileOutputStream : public wxOutputStream
{
public:
- wxFFileOutputStream(const wxString& fileName, const wxChar *mode = _T("w+b"));
+ wxFFileOutputStream(const wxString& fileName, const wxString& mode = "wb");
wxFFileOutputStream(wxFFile& file);
wxFFileOutputStream(FILE *file);
virtual ~wxFFileOutputStream();
bool Close() { return m_file_destroy ? m_file->Close() : true; }
wxFileOffset GetLength() const;
- bool Ok() const { return m_file->IsOpened(); }
+ bool Ok() const { return IsOk(); }
+ virtual bool IsOk() const;
+ bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
+
+ wxFFile* GetFile() const { return m_file; }
protected:
wxFFileOutputStream();
wxFFile *m_file;
bool m_file_destroy;
- DECLARE_NO_COPY_CLASS(wxFFileOutputStream)
+ wxDECLARE_NO_COPY_CLASS(wxFFileOutputStream);
};
class WXDLLIMPEXP_BASE wxFFileStream : public wxFFileInputStream,
public wxFFileOutputStream
{
public:
- wxFFileStream(const wxString& fileName);
+ wxFFileStream(const wxString& fileName, const wxString& mode = "w+b");
+
+ // override some virtual functions to resolve ambiguities, just as in
+ // wxFileStream
+
+ virtual bool IsOk() const;
+
+ virtual bool IsSeekable() const
+ {
+ return wxFFileInputStream::IsSeekable();
+ }
+
+ virtual wxFileOffset GetLength() const
+ {
+ return wxFFileInputStream::GetLength();
+ }
+
+protected:
+ virtual wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode)
+ {
+ return wxFFileInputStream::OnSysSeek(pos, mode);
+ }
+
+ virtual wxFileOffset OnSysTell() const
+ {
+ return wxFFileInputStream::OnSysTell();
+ }
private:
- DECLARE_NO_COPY_CLASS(wxFFileStream)
+ wxDECLARE_NO_COPY_CLASS(wxFFileStream);
};
-#endif // wxUSE_STREAMS && wxUSE_FILE
+#endif //wxUSE_FFILE
+
+#endif // wxUSE_STREAMS
#endif // _WX_WXFSTREAM_H__