-wxOutputStream& WXDLLEXPORT wxEndL(wxOutputStream& o_stream);
-
-class WXDLLEXPORT wxStreamBuffer {
- public:
- wxStreamBuffer(wxInputStream& stream);
- wxStreamBuffer(wxOutputStream& stream);
- ~wxStreamBuffer();
-
- void Read(void *buffer, size_t size);
- void Write(const void *buffer, size_t size);
- void WriteBack(char c);
-
- void SetBufferIO(char *buffer_start, char *buffer_end);
- void SetBufferIO(size_t bufsize);
- void ResetBuffer();
-
- void SetBufferPosition(char *buffer_position)
- { m_buffer_pos = buffer_position; }
- void SetIntPosition(size_t pos)
- { m_buffer_pos = m_buffer_start + pos; }
- char *GetBufferPosition() const { return m_buffer_pos; }
- size_t GetIntPosition() const { return m_buffer_pos - m_buffer_start; }
-
- char *GetBufferStart() const { return m_buffer_start; }
- char *GetBufferEnd() const { return m_buffer_end; }
- size_t GetBufferSize() const { return m_buffer_size; }
- size_t GetLastAccess() const { return m_buffer_end - m_buffer_start; }
-
- protected:
- char *m_buffer_start, *m_buffer_end, *m_buffer_pos;
- size_t m_buffer_size;
-
- wxInputStream *m_istream;
- wxOutputStream *m_ostream;
+WXDLLEXPORT wxOutputStream& wxEndL(wxOutputStream& o_stream);
+
+// ---------------------------------------------------------------------------
+// wxStream: base classes
+// ---------------------------------------------------------------------------
+
+#define wxStream_NOERROR wxSTREAM_NOERROR
+#define wxStream_EOF wxSTREAM_EOF
+#define wxStream_WRITE_ERR wxSTREAM_WRITE_ERROR
+#define wxStream_READ_ERR wxSTREAM_READ_ERROR
+
+typedef enum {
+ wxSTREAM_NO_ERROR = 0,
+ wxSTREAM_NO_ERR = wxSTREAM_NO_ERROR,
+ wxSTREAM_NOERROR = wxSTREAM_NO_ERROR,
+
+ wxSTREAM_EOF,
+
+ wxSTREAM_WRITE_ERROR,
+ wxSTREAM_WRITE_ERR = wxSTREAM_WRITE_ERROR,
+
+ wxSTREAM_READ_ERROR,
+ wxSTREAM_READ_ERR = wxSTREAM_READ_ERROR
+
+} wxStreamError;
+
+class WXDLLEXPORT wxStreamBase
+{
+public:
+ wxStreamBase();
+ virtual ~wxStreamBase();
+
+ bool operator!() const { return (LastError() != wxSTREAM_NOERROR); }
+ wxStreamError LastError() const { return m_lasterror; }
+ virtual size_t GetSize() const { return ~((size_t)0); }
+ size_t StreamSize() const { return GetSize(); }
+
+protected:
+ 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() const;
+
+ friend class wxStreamBuffer;
+
+ size_t m_lastcount;
+ wxStreamError m_lasterror;
+};
+
+class WXDLLEXPORT wxInputStream: public wxStreamBase
+{
+public:
+ wxInputStream();
+ virtual ~wxInputStream();
+
+ // IO functions
+ virtual char Peek();
+ char GetC();
+ virtual wxInputStream& Read(void *buffer, size_t size);
+ wxInputStream& Read(wxOutputStream& stream_out);
+
+ // Position functions
+ virtual off_t SeekI(off_t pos, wxSeekMode mode = wxFromStart);
+ virtual off_t TellI() const;
+
+ // State functions
+ virtual size_t LastRead() { return wxStreamBase::m_lastcount; }
+
+ // Ungetch
+ size_t Ungetch(const void *buffer, size_t size);
+ bool Ungetch(char c);
+
+ // Operators
+ wxInputStream& operator>>(wxOutputStream& out) { return Read(out); }
+#if wxUSE_SERIAL
+ wxInputStream& operator>>(wxObject *& obj);
+#endif
+ wxInputStream& operator>>( __wxInputManip func) { return func(*this); }
+
+protected:
+ // Ungetch managers
+ char *m_wback;
+ size_t m_wbacksize;
+ size_t m_wbackcur;
+
+ char *AllocSpaceWBack(size_t needed_size);
+ size_t GetWBack(char *buf, size_t bsize);
+};
+
+class WXDLLEXPORT wxOutputStream: public wxStreamBase
+{
+public:
+ wxOutputStream();
+ virtual ~wxOutputStream();
+
+ void PutC(char c);
+ virtual wxOutputStream& Write(const void *buffer, size_t size);
+ wxOutputStream& Write(wxInputStream& stream_in);
+
+ virtual off_t SeekO(off_t pos, wxSeekMode mode = wxFromStart);
+ virtual off_t TellO() const;
+
+ virtual size_t LastWrite() const { return wxStreamBase::m_lastcount; }
+
+ virtual void Sync();
+
+ wxOutputStream& operator<<(wxInputStream& out) { return Write(out); }
+#if wxUSE_SERIAL
+ wxOutputStream& operator<<(wxObject& obj);
+#endif
+ wxOutputStream& operator<<( __wxOutputManip func) { return func(*this); }
+};
+
+// ---------------------------------------------------------------------------
+// A stream for measuring streamed output
+// ---------------------------------------------------------------------------
+
+class wxCountingOutputStream: public wxOutputStream
+{
+public:
+ wxCountingOutputStream();
+
+ size_t GetSize() const;
+ bool Ok() const { return TRUE; }
+
+protected:
+ size_t OnSysWrite(const void *buffer, size_t size);
+ off_t OnSysSeek(off_t pos, wxSeekMode mode);
+ off_t OnSysTell() const;
+
+ size_t m_currentPos;
+};
+
+
+// ---------------------------------------------------------------------------
+// "Filter" streams
+// ---------------------------------------------------------------------------
+
+class WXDLLEXPORT wxFilterInputStream: public wxInputStream
+{
+public:
+ wxFilterInputStream();
+ wxFilterInputStream(wxInputStream& stream);
+ ~wxFilterInputStream();
+
+ char Peek() { return m_parent_i_stream->Peek(); }
+
+ size_t GetSize() const { return m_parent_i_stream->GetSize(); }
+
+protected:
+ wxInputStream *m_parent_i_stream;
projects / wxWidgets.git / blobdiff