#include "wx/string.h"
#include "wx/filefn.h" // for wxFileOffset, wxInvalidOffset and wxSeekMode
-class WXDLLIMPEXP_BASE wxStreamBase;
-class WXDLLIMPEXP_BASE wxInputStream;
-class WXDLLIMPEXP_BASE wxOutputStream;
+class WXDLLIMPEXP_FWD_BASE wxStreamBase;
+class WXDLLIMPEXP_FWD_BASE wxInputStream;
+class WXDLLIMPEXP_FWD_BASE wxOutputStream;
typedef wxInputStream& (*__wxInputManip)(wxInputStream&);
typedef wxOutputStream& (*__wxOutputManip)(wxOutputStream&);
read_write
};
- wxStreamBuffer(wxStreamBase& stream, BufMode mode);
+ wxStreamBuffer(wxStreamBase& stream, BufMode mode)
+ {
+ InitWithStream(stream, mode);
+ }
+
+ wxStreamBuffer(wxInputStream& stream, size_t bufsize)
+ {
+ InitWithStream(stream, read);
+ SetBufferIO(bufsize);
+ }
+
+ wxStreamBuffer(wxOutputStream& stream, size_t bufsize)
+ {
+ InitWithStream(stream, write);
+ SetBufferIO(bufsize);
+ }
+
wxStreamBuffer(const wxStreamBuffer& buf);
virtual ~wxStreamBuffer();
void *GetBufferStart() const { return m_buffer_start; }
void *GetBufferEnd() const { return m_buffer_end; }
void *GetBufferPos() const { return m_buffer_pos; }
- size_t GetBufferSize() const { return m_buffer_size; }
+ size_t GetBufferSize() const { return m_buffer_end - m_buffer_start; }
size_t GetIntPosition() const { return m_buffer_pos - m_buffer_start; }
void SetIntPosition(size_t pos) { m_buffer_pos = m_buffer_start + pos; }
size_t GetLastAccess() const { return m_buffer_end - m_buffer_start; }
// misc accessors
wxStreamBase *GetStream() const { return m_stream; }
- bool HasBuffer() const { return m_buffer_size != 0; }
+ bool HasBuffer() const { return m_buffer_start != m_buffer_end; }
bool IsFixed() const { return m_fixed; }
bool IsFlushable() const { return m_flushable; }
// common part of several ctors
void Init();
+ // common part of ctors taking wxStreamBase parameter
+ void InitWithStream(wxStreamBase& stream, BufMode mode);
+
// init buffer variables to be empty
void InitBuffer();
*m_buffer_end,
*m_buffer_pos;
- // the buffer size
- // FIXME: isn't it the same as m_buffer_end - m_buffer_start? (VZ)
- size_t m_buffer_size;
-
// the stream we're associated with
wxStreamBase *m_stream;
m_fixed,
m_flushable;
-private:
-// Cannot use
-// DECLARE_NO_COPY_CLASS(wxStreamBuffer)
-// because copy constructor is explicitly declared above;
-// but no copy assignment operator is defined, so declare
-// it private to prevent the compiler from defining it:
- wxStreamBuffer& operator=(const wxStreamBuffer&);
+
+ DECLARE_NO_ASSIGN_CLASS(wxStreamBuffer)
};
// ---------------------------------------------------------------------------
class WXDLLIMPEXP_BASE wxBufferedInputStream : public wxFilterInputStream
{
public:
- // if a non NULL buffer is given to the stream, it will be deleted by it
+ // create a buffered stream on top of the specified low-level stream
+ //
+ // if a non NULL buffer is given to the stream, it will be deleted by it,
+ // otherwise a default 1KB buffer will be used
wxBufferedInputStream(wxInputStream& stream,
wxStreamBuffer *buffer = NULL);
+
+ // ctor allowing to specify the buffer size, it's just a more convenient
+ // alternative to creating wxStreamBuffer, calling its SetBufferIO(bufsize)
+ // and using the ctor above
+ wxBufferedInputStream(wxInputStream& stream, size_t bufsize);
+
+
virtual ~wxBufferedInputStream();
char Peek();
class WXDLLIMPEXP_BASE wxBufferedOutputStream : public wxFilterOutputStream
{
public:
- // if a non NULL buffer is given to the stream, it will be deleted by it
+ // create a buffered stream on top of the specified low-level stream
+ //
+ // if a non NULL buffer is given to the stream, it will be deleted by it,
+ // otherwise a default 1KB buffer will be used
wxBufferedOutputStream(wxOutputStream& stream,
wxStreamBuffer *buffer = NULL);
+
+ // ctor allowing to specify the buffer size, it's just a more convenient
+ // alternative to creating wxStreamBuffer, calling its SetBufferIO(bufsize)
+ // and using the ctor above
+ wxBufferedOutputStream(wxOutputStream& stream, size_t bufsize);
+
virtual ~wxBufferedOutputStream();
wxOutputStream& Write(const void *buffer, size_t size);