// Copyright: (c) Guilhem Lavaux
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifndef __WXMMSTREAM_H__
-#define __WXMMSTREAM_H__
+#ifndef _WX_WXMMSTREAM_H__
+#define _WX_WXMMSTREAM_H__
-#include <wx/stream.h>
+#include "wx/stream.h"
-class wxMemoryStreamBase {
- protected:
- wxMemoryStreamBase();
- virtual ~wxMemoryStreamBase();
-
- bool ChangeBufferSize(size_t new_length);
+#if wxUSE_STREAMS
- protected:
- bool m_persistent;
+class wxMemoryInputStream: public wxInputStream {
+ private:
size_t m_length;
- char *m_buffer;
- int m_iolimit;
-};
-
-class wxMemoryInputStream: virtual public wxMemoryStreamBase, public wxInputStream {
+
public:
wxMemoryInputStream(const char *data, size_t length);
virtual ~wxMemoryInputStream();
-
- wxInputStream& Read(void *buffer, size_t size);
- off_t SeekI(off_t pos, wxSeekMode mode);
- off_t TellI() const { return m_position_i; }
+ virtual size_t GetSize() const { return m_length; }
+
+ char Peek();
- bool Eof() const { return m_eof; }
- size_t LastRead() const { return m_lastread; }
+ wxStreamBuffer *InputStreamBuffer() const { return m_i_streambuf; }
protected:
- bool m_eof;
- off_t m_position_i;
- size_t m_lastread;
+ wxStreamBuffer *m_i_streambuf;
+
+ protected:
+ size_t OnSysRead(void *buffer, size_t nbytes);
+ off_t OnSysSeek(off_t pos, wxSeekMode mode);
+ off_t OnSysTell() const;
};
-class wxMemoryOutputStream: virtual public wxMemoryStreamBase, public wxOutputStream {
+class wxMemoryOutputStream: public wxOutputStream {
public:
wxMemoryOutputStream(char *data = NULL, size_t length = 0);
virtual ~wxMemoryOutputStream();
+ virtual size_t GetSize() const { return m_o_streambuf->GetLastAccess(); }
- wxOutputStream& Write(const void *buffer, size_t size);
- off_t SeekO(off_t pos, wxSeekMode mode);
- off_t TellO() const { return m_position_o; }
+ wxStreamBuffer *OutputStreamBuffer() const { return m_o_streambuf; }
- bool Bad() const { return m_bad; }
- size_t LastWrite() const { return m_lastwrite; }
+ size_t CopyTo(char *buffer, size_t len) const;
- char *GetData() { return m_buffer; }
- size_t GetLength() { return m_length; }
+ protected:
+ wxStreamBuffer *m_o_streambuf;
protected:
- bool m_bad;
- off_t m_position_o;
- size_t m_lastwrite;
+ size_t OnSysWrite(const void *buffer, size_t nbytes);
+ off_t OnSysSeek(off_t pos, wxSeekMode mode);
+ off_t OnSysTell() const;
};
-class wxMemoryStream: public wxMemoryInputStream, public wxMemoryOutputStream {
- public:
- wxMemoryStream(char *data = NULL, size_t length = 0);
- virtual ~wxMemoryStream();
-};
+#endif
+ // wxUSE_STREAMS
#endif
+ // _WX_WXMMSTREAM_H__
+