emulate scrolling in wxMSW header control; document the need to call ScrollWindow...

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

diff --git a/include/wx/wfstream.h b/include/wx/wfstream.h
index 29f13ca1e43b096fff615e1eace693abff9948b7..da1e7c2d8792af3089b5f72c1b23e5958c978fff 100644 (file)
--- a/include/wx/wfstream.h
+++ b/include/wx/wfstream.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        wfstream.h
+// Name:        wx/wfstream.h
 // Purpose:     File stream classes
 // Author:      Guilhem Lavaux
 // Modified by:
@@ -12,70 +12,195 @@
 #ifndef _WX_WXFSTREAM_H__
 #define _WX_WXFSTREAM_H__
 
-#ifdef __GNUG__
-#pragma interface "wfstream.h"
-#endif
+#include "wx/defs.h"
 
-#include <wx/object.h>
-#include <wx/string.h>
-#include <wx/stream.h>
-#include <wx/file.h>
+#if wxUSE_STREAMS
 
-class wxFileInputStream: public wxInputStream {
- public:
-  wxFileInputStream(const wxString& ifileName);
-  wxFileInputStream(wxFile& file);
-  wxFileInputStream(int fd);
-  ~wxFileInputStream();
+#include "wx/object.h"
+#include "wx/string.h"
+#include "wx/stream.h"
+#include "wx/file.h"
+#include "wx/ffile.h"
 
-  char Peek();
-  size_t StreamSize() const;
+#if wxUSE_FILE
 
-  bool Ok() const { return m_file->IsOpened(); }
+// ----------------------------------------------------------------------------
+// wxFileStream using wxFile
+// ----------------------------------------------------------------------------
 
- protected:
-  wxFileInputStream();
+class WXDLLIMPEXP_BASE wxFileInputStream : public wxInputStream
+{
+public:
+    wxFileInputStream(const wxString& ifileName);
+    wxFileInputStream(wxFile& file);
+    wxFileInputStream(int fd);
+    virtual ~wxFileInputStream();
 
-  size_t OnSysRead(void *buffer, size_t size);
-  off_t OnSysSeek(off_t pos, wxSeekMode mode);
-  off_t OnSysTell() const;
+    wxFileOffset GetLength() const;
 
- protected:
-  wxFile *m_file;
-  bool m_file_destroy;
+    bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const;
+    bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
+
+protected:
+    wxFileInputStream();
+
+    size_t OnSysRead(void *buffer, size_t size);
+    wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);
+    wxFileOffset OnSysTell() const;
+
+protected:
+    wxFile *m_file;
+    bool m_file_destroy;
+
+    DECLARE_NO_COPY_CLASS(wxFileInputStream)
+};
+
+class WXDLLIMPEXP_BASE wxFileOutputStream : public wxOutputStream
+{
+public:
+    wxFileOutputStream(const wxString& fileName);
+    wxFileOutputStream(wxFile& file);
+    wxFileOutputStream(int fd);
+    virtual ~wxFileOutputStream();
+
+    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; }
+
+protected:
+    wxFileOutputStream();
+
+    size_t OnSysWrite(const void *buffer, size_t size);
+    wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);
+    wxFileOffset OnSysTell() const;
+
+protected:
+    wxFile *m_file;
+    bool m_file_destroy;
+
+    DECLARE_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;
+
+    DECLARE_NO_COPY_CLASS(wxTempFileOutputStream)
+};
+
+class WXDLLIMPEXP_BASE wxFileStream : public wxFileInputStream,
+                                      public wxFileOutputStream
+{
+public:
+    wxFileStream(const wxString& fileName);
+    virtual bool IsOk() const;
+
+private:
+    DECLARE_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; }
+
+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;
+
+    DECLARE_NO_COPY_CLASS(wxFFileInputStream)
 };
 
-class wxFileOutputStream: public wxOutputStream {
- public:
-  wxFileOutputStream(const wxString& fileName);
-  wxFileOutputStream(wxFile& file);
-  wxFileOutputStream(int fd);
-  virtual ~wxFileOutputStream();
+class WXDLLIMPEXP_BASE wxFFileOutputStream : public wxOutputStream
+{
+public:
+    wxFFileOutputStream(const wxString& fileName, const wxString& mode = "wb");
+    wxFFileOutputStream(wxFFile& file);
+    wxFFileOutputStream(FILE *file);
+    virtual ~wxFFileOutputStream();
 
-  // To solve an ambiguity on GCC
-  inline wxOutputStream& Write(const void *buffer, size_t size)
-     { return wxOutputStream::Write(buffer, size); }
+    void Sync();
+    bool Close() { return m_file_destroy ? m_file->Close() : true; }
+    wxFileOffset GetLength() const;
 
-  void Sync();
-  size_t StreamSize() const;
+    bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const;
+    bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
 
-  bool Ok() const { return m_file->IsOpened(); }
+protected:
+    wxFFileOutputStream();
 
- protected:
-  wxFileOutputStream();
+    size_t OnSysWrite(const void *buffer, size_t size);
+    wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);
+    wxFileOffset OnSysTell() const;
 
-  size_t OnSysWrite(const void *buffer, size_t size);
-  off_t OnSysSeek(off_t pos, wxSeekMode mode);
-  off_t OnSysTell() const;
+protected:
+    wxFFile *m_file;
+    bool m_file_destroy;
 
- protected:
-  wxFile *m_file;
-  bool m_file_destroy;
+    DECLARE_NO_COPY_CLASS(wxFFileOutputStream)
 };
 
-class wxFileStream: public wxFileInputStream, public wxFileOutputStream {
- public:
-  wxFileStream(const wxString& fileName);
+class WXDLLIMPEXP_BASE wxFFileStream : public wxFFileInputStream,
+                                       public wxFFileOutputStream
+{
+public:
+    wxFFileStream(const wxString& fileName, const wxString& mode = "w+b");
+    virtual bool IsOk() const;
+
+private:
+    DECLARE_NO_COPY_CLASS(wxFFileStream)
 };
 
-#endif
+#endif //wxUSE_FFILE
+
+#endif // wxUSE_STREAMS
+
+#endif // _WX_WXFSTREAM_H__