Don't duplicate event sending code in wxGTK wxListBox.

[wxWidgets.git] / include / wx / wfstream.h

diff --git a/include/wx/wfstream.h b/include/wx/wfstream.h
index 249453f183f0e31f59400dcf88a726c95f219649..1c44202177e8a443e793410d249416274a6e1078 100644 (file)
--- a/include/wx/wfstream.h
+++ b/include/wx/wfstream.h
@@ -12,13 +12,9 @@
 #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"
@@ -26,6 +22,8 @@
 #include "wx/file.h"
 #include "wx/ffile.h"
 
+#if wxUSE_FILE
+
 // ----------------------------------------------------------------------------
 // wxFileStream using wxFile
 // ----------------------------------------------------------------------------
@@ -36,11 +34,13 @@ public:
     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; }
 
 protected:
     wxFileInputStream();
@@ -53,7 +53,7 @@ protected:
     wxFile *m_file;
     bool m_file_destroy;
 
-    DECLARE_NO_COPY_CLASS(wxFileInputStream)
+    wxDECLARE_NO_COPY_CLASS(wxFileInputStream);
 };
 
 class WXDLLIMPEXP_BASE wxFileOutputStream : public wxOutputStream
@@ -68,7 +68,9 @@ public:
     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; }
 
 protected:
     wxFileOutputStream();
@@ -81,7 +83,32 @@ protected:
     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,
@@ -89,11 +116,41 @@ 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
 // ----------------------------------------------------------------------------
@@ -101,14 +158,16 @@ private:
 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; }
 
 protected:
     wxFFileInputStream();
@@ -121,13 +180,13 @@ protected:
     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();
@@ -136,7 +195,9 @@ public:
     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; }
 
 protected:
     wxFFileOutputStream();
@@ -149,19 +210,47 @@ protected:
     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__