typedef wxInputStream& (*__wxInputManip)(wxInputStream&);
typedef wxOutputStream& (*__wxOutputManip)(wxOutputStream&);
-wxOutputStream& WXDLLEXPORT wxEndL(wxOutputStream& o_stream);
+WXDLLEXPORT wxOutputStream& wxEndL(wxOutputStream& o_stream);
// ---------------------------------------------------------------------------
// Stream buffer
class WXDLLEXPORT wxStreamBuffer {
public:
typedef enum {
- read, write
+ read = 0, write, read_write
} BufMode;
// -----------
// ctor & dtor
// -----------
wxStreamBuffer(wxStreamBase& stream, BufMode mode);
+ wxStreamBuffer(BufMode mode);
+ wxStreamBuffer(const wxStreamBuffer& buf);
~wxStreamBuffer();
// -----------
// Filtered IO
// -----------
- void Read(void *buffer, size_t size);
- void Write(const void *buffer, size_t size);
- bool WriteBack(const char *buffer, size_t size);
+ size_t Read(void *buffer, size_t size);
+ size_t Read(wxStreamBuffer *buf);
+ size_t Write(const void *buffer, size_t size);
+ size_t Write(wxStreamBuffer *buf);
+
+ size_t WriteBack(const char *buffer, size_t size);
bool WriteBack(char c);
+ char GetChar();
+ void PutChar(char c);
off_t Tell() const;
off_t Seek(off_t pos, wxSeekMode mode);
off_t GetIntPosition() const { return m_buffer_pos-m_buffer_start; }
void SetIntPosition(off_t pos) { m_buffer_pos = m_buffer_start+pos; }
size_t GetLastAccess() const { return m_buffer_end-m_buffer_start; }
+
void Fixed(bool fixed) { m_fixed = fixed; }
+ void Flushable(bool f) { m_flushable = f; }
bool FlushBuffer();
bool FillBuffer();
- size_t GetDataLeft() const;
+ size_t GetDataLeft();
+
+ // --------------
+ // Administration
+ // --------------
+ wxStreamBase *Stream() { return m_stream; }
protected:
char *AllocSpaceWBack(size_t needed_size);
char *m_wback;
size_t m_wbacksize, m_wbackcur;
- bool m_fixed;
+ bool m_fixed, m_flushable;
wxStreamBase *m_stream;
BufMode m_mode;
+ bool m_destroybuf, m_destroystream;
};
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
typedef enum {
- wxStream_NOERROR,
- wxStream_EOF
+ wxStream_NOERROR = 0,
+ wxStream_EOF,
+ wxStream_WRITE_ERR,
+ wxStream_READ_ERR
} wxStreamError;
class WXDLLEXPORT wxStreamBase {
wxStreamBase();
virtual ~wxStreamBase();
- wxStreamError LastError() { return m_lasterror; }
+ wxStreamError LastError() const { return m_lasterror; }
+ virtual size_t StreamSize() const { return ~((size_t)0); }
protected:
friend class wxStreamBuffer;
virtual size_t OnSysRead(void *buffer, size_t bufsize);
virtual size_t OnSysWrite(const void *buffer, size_t bufsize);
virtual off_t OnSysSeek(off_t seek, wxSeekMode mode);
- virtual off_t OnSysTell();
+ virtual off_t OnSysTell() const;
protected:
size_t m_lastcount;
// IO functions
virtual char Peek();
char GetC();
- wxInputStream& Read(void *buffer, size_t size);
+ virtual wxInputStream& Read(void *buffer, size_t size);
wxInputStream& Read(wxOutputStream& stream_out);
// Position functions
wxOutputStream(wxStreamBuffer *sbuf);
virtual ~wxOutputStream();
- wxOutputStream& Write(const void *buffer, size_t size);
+ virtual wxOutputStream& Write(const void *buffer, size_t size);
wxOutputStream& Write(wxInputStream& stream_in);
off_t SeekO(off_t pos, wxSeekMode mode = wxFromStart);
char Peek() { return m_parent_i_stream->Peek(); }
+ wxStreamError LastError() const { return m_parent_i_stream->LastError(); }
+ size_t StreamSize() const { return m_parent_i_stream->StreamSize(); }
+
protected:
wxInputStream *m_parent_i_stream;
};
wxFilterOutputStream(wxOutputStream& stream);
~wxFilterOutputStream();
+ wxStreamError LastError() const { return m_parent_o_stream->LastError(); }
+ size_t StreamSize() const { return m_parent_o_stream->StreamSize(); }
+
protected:
wxOutputStream *m_parent_o_stream;
};