+class WXDLLIMPEXP_BASE wxFileStream : public wxFileInputStream,
+ public wxFileOutputStream
+{
+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:
+ 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 wxString& mode = "rb");
+ wxFFileInputStream(wxFFile& file);
+ wxFFileInputStream(FILE *file);
+ virtual ~wxFFileInputStream();
+
+ wxFileOffset GetLength() const;
+
+ 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();
+
+ size_t OnSysRead(void *buffer, size_t size);
+ wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);
+ wxFileOffset OnSysTell() const;
+
+protected:
+ wxFFile *m_file;
+ bool m_file_destroy;
+
+ wxDECLARE_NO_COPY_CLASS(wxFFileInputStream);
+};
+
+class WXDLLIMPEXP_BASE wxFFileOutputStream : public wxOutputStream
+{
+public:
+ wxFFileOutputStream(const wxString& fileName, const wxString& mode = "wb");
+ wxFFileOutputStream(wxFFile& file);
+ wxFFileOutputStream(FILE *file);
+ virtual ~wxFFileOutputStream();
+
+ void Sync();
+ bool Close() { return m_file_destroy ? m_file->Close() : true; }
+ wxFileOffset GetLength() const;
+
+ 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();
+
+ size_t OnSysWrite(const void *buffer, size_t size);
+ wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);
+ wxFileOffset OnSysTell() const;
+
+protected:
+ wxFFile *m_file;
+ bool m_file_destroy;
+
+ wxDECLARE_NO_COPY_CLASS(wxFFileOutputStream);
+};
+
+class WXDLLIMPEXP_BASE wxFFileStream : public wxFFileInputStream,
+ public wxFFileOutputStream
+{
+public:
+ 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:
+ wxDECLARE_NO_COPY_CLASS(wxFFileStream);