X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dee1a63ff52bfe4da396187f8438aa1a29796737..d8dd214c1bccfd7a7defdbbedd69aef706a8816b:/include/wx/stream.h

diff --git a/include/wx/stream.h b/include/wx/stream.h
index 0c91e975f3..6d3da3c914 100644
--- a/include/wx/stream.h
+++ b/include/wx/stream.h
@@ -58,7 +58,7 @@ public:
 
     // error testing
     wxStreamError GetLastError() const { return m_lasterror; }
-    bool IsOk() const { return GetLastError() == wxSTREAM_NO_ERROR; }
+    virtual bool IsOk() const { return GetLastError() == wxSTREAM_NO_ERROR; }
     bool operator!() const { return !IsOk(); }
 
     // reset the stream state
@@ -71,17 +71,6 @@ public:
     // returns true if the streams supports seeking to arbitrary offsets
     virtual bool IsSeekable() const { return false; }
 
-    // Reserved for future use
-    virtual void ReservedStreamFunc1() {}
-    virtual void ReservedStreamFunc2() {}
-    virtual void ReservedStreamFunc3() {}
-    virtual void ReservedStreamFunc4() {}
-    virtual void ReservedStreamFunc5() {}
-    virtual void ReservedStreamFunc6() {}
-    virtual void ReservedStreamFunc7() {}
-    virtual void ReservedStreamFunc8() {}
-    virtual void ReservedStreamFunc9() {}
-
 protected:
     virtual wxFileOffset OnSysSeek(wxFileOffset seek, wxSeekMode mode);
     virtual wxFileOffset OnSysTell() const;
@@ -277,7 +266,8 @@ public:
     wxCountingOutputStream();
 
     wxFileOffset GetLength() const;
-    bool Ok() const { return true; }
+    bool Ok() const { return IsOk(); }
+    bool IsOk() const { return true; }
 
 protected:
     virtual size_t OnSysWrite(const void *buffer, size_t size);
@@ -298,6 +288,7 @@ class WXDLLIMPEXP_BASE wxFilterInputStream : public wxInputStream
 public:
     wxFilterInputStream();
     wxFilterInputStream(wxInputStream& stream);
+    wxFilterInputStream(wxInputStream *stream);
     virtual ~wxFilterInputStream();
 
     char Peek() { return m_parent_i_stream->Peek(); }
@@ -308,6 +299,7 @@ public:
 
 protected:
     wxInputStream *m_parent_i_stream;
+    bool m_owns;
 
     DECLARE_NO_COPY_CLASS(wxFilterInputStream)
 };
@@ -317,18 +309,74 @@ class WXDLLIMPEXP_BASE wxFilterOutputStream : public wxOutputStream
 public:
     wxFilterOutputStream();
     wxFilterOutputStream(wxOutputStream& stream);
+    wxFilterOutputStream(wxOutputStream *stream);
     virtual ~wxFilterOutputStream();
 
     wxFileOffset GetLength() const { return m_parent_o_stream->GetLength(); }
 
     wxOutputStream *GetFilterOutputStream() const { return m_parent_o_stream; }
 
+    bool Close();
+
 protected:
     wxOutputStream *m_parent_o_stream;
+    bool m_owns;
 
     DECLARE_NO_COPY_CLASS(wxFilterOutputStream)
 };
 
+enum wxStreamProtocolType
+{
+    wxSTREAM_PROTOCOL,      // wxFileSystem protocol (should be only one)
+    wxSTREAM_MIMETYPE,      // Mime types the stream handles
+    wxSTREAM_ENCODING,      // The http Content-Encodings the stream handles
+    wxSTREAM_FILEEXTENSION  // File extensions the stream handles
+};
+
+void WXDLLIMPEXP_BASE wxUseFilterClasses();
+
+class WXDLLIMPEXP_BASE wxFilterClassFactory : public wxObject
+{
+public:
+    virtual ~wxFilterClassFactory() { }
+
+    virtual wxFilterInputStream  *NewStream(wxInputStream& stream)  const = 0;
+    virtual wxFilterOutputStream *NewStream(wxOutputStream& stream) const = 0;
+    virtual wxFilterInputStream  *NewStream(wxInputStream *stream)  const = 0;
+    virtual wxFilterOutputStream *NewStream(wxOutputStream *stream) const = 0;
+
+    wxString GetProtocol() const { return wxString(*GetProtocols()); }
+
+    virtual const wxChar * const *GetProtocols(wxStreamProtocolType type
+                                               = wxSTREAM_PROTOCOL) const = 0;
+
+    bool CanHandle(const wxChar *protocol,
+                   wxStreamProtocolType type
+                   = wxSTREAM_PROTOCOL) const;
+
+    static const wxFilterClassFactory *Find(const wxChar *protocol,
+                                            wxStreamProtocolType type
+                                            = wxSTREAM_PROTOCOL);
+
+    static const wxFilterClassFactory *GetFirst();
+    const wxFilterClassFactory *GetNext() const { return m_next; }
+
+    void PushFront() { Remove(); m_next = sm_first; sm_first = this; }
+    void Remove();
+
+protected:
+    wxFilterClassFactory() : m_next(this) { }
+
+    wxFilterClassFactory& operator=(const wxFilterClassFactory&)
+        { return *this; }
+
+private:
+    static wxFilterClassFactory *sm_first;
+    wxFilterClassFactory *m_next;
+
+    DECLARE_ABSTRACT_CLASS(wxFilterClassFactory)
+};
+
 // ============================================================================
 // buffered streams
 // ============================================================================
@@ -399,8 +447,10 @@ public:
     wxInputStream *GetInputStream() const;
     wxOutputStream *GetOutputStream() const;
 
+#if WXWIN_COMPATIBILITY_2_6
     // deprecated, for compatibility only
-    wxStreamBase *Stream() { return m_stream; }
+    wxDEPRECATED( wxStreamBase *Stream() );
+#endif // WXWIN_COMPATIBILITY_2_6
 
     // this constructs a dummy wxStreamBuffer, used by (and exists for)
     // wxMemoryStreams only, don't use!
@@ -476,8 +526,10 @@ public:
     void SetInputStreamBuffer(wxStreamBuffer *buffer);
     wxStreamBuffer *GetInputStreamBuffer() const { return m_i_streambuf; }
 
+#if WXWIN_COMPATIBILITY_2_6
     // deprecated, for compatibility only
-    wxStreamBuffer *InputStreamBuffer() const { return m_i_streambuf; }
+    wxDEPRECATED( wxStreamBuffer *InputStreamBuffer() const );
+#endif // WXWIN_COMPATIBILITY_2_6
 
 protected:
     virtual size_t OnSysRead(void *buffer, size_t bufsize);
@@ -517,8 +569,10 @@ public:
     void SetOutputStreamBuffer(wxStreamBuffer *buffer);
     wxStreamBuffer *GetOutputStreamBuffer() const { return m_o_streambuf; }
 
+#if WXWIN_COMPATIBILITY_2_6
     // deprecated, for compatibility only
-    wxStreamBuffer *OutputStreamBuffer() const { return m_o_streambuf; }
+    wxDEPRECATED( wxStreamBuffer *OutputStreamBuffer() const );
+#endif // WXWIN_COMPATIBILITY_2_6
 
 protected:
     virtual size_t OnSysWrite(const void *buffer, size_t bufsize);
@@ -530,7 +584,12 @@ protected:
     DECLARE_NO_COPY_CLASS(wxBufferedOutputStream)
 };
 
+#if WXWIN_COMPATIBILITY_2_6
+    inline wxStreamBase *wxStreamBuffer::Stream() { return m_stream; }
+    inline wxStreamBuffer *wxBufferedInputStream::InputStreamBuffer() const { return m_i_streambuf; }
+    inline wxStreamBuffer *wxBufferedOutputStream::OutputStreamBuffer() const { return m_o_streambuf; }
+#endif // WXWIN_COMPATIBILITY_2_6
+
 #endif // wxUSE_STREAMS
 
 #endif // _WX_WXSTREAM_H__
-