// 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 {
+typedef enum
+{
wxSTREAM_NO_ERROR = 0,
wxSTREAM_NO_ERR = wxSTREAM_NO_ERROR,
wxSTREAM_NOERROR = wxSTREAM_NO_ERROR,
} wxStreamError;
+// compatibility
+#define wxStream_NOERROR wxSTREAM_NOERROR
+#define wxStream_EOF wxSTREAM_EOF
+#define wxStream_WRITE_ERR wxSTREAM_WRITE_ERROR
+#define wxStream_READ_ERR wxSTREAM_READ_ERROR
+
class WXDLLEXPORT wxStreamBase
{
public:
wxStreamBase();
virtual ~wxStreamBase();
- bool operator!() const { return (LastError() != wxSTREAM_NOERROR); }
+ // error testing
wxStreamError LastError() const { return m_lasterror; }
+ wxStreamError GetLastError() const { return m_lasterror; }
+ bool IsOk() const { return LastError() == wxSTREAM_NOERROR; }
+ bool operator!() const { return LastError() != wxSTREAM_NOERROR; }
+
virtual size_t GetSize() const { return ~((size_t)0); }
size_t StreamSize() const { return GetSize(); }
wxInputStream();
virtual ~wxInputStream();
+ // is the stream at EOF?
+ virtual bool Eof() const;
+
// IO functions
virtual char Peek();
char GetC();
// A stream for measuring streamed output
// ---------------------------------------------------------------------------
-class wxCountingOutputStream: public wxOutputStream
+class WXDLLEXPORT wxCountingOutputStream: public wxOutputStream
{
public:
wxCountingOutputStream();
size_t m_currentPos;
};
-
// ---------------------------------------------------------------------------
// "Filter" streams
// ---------------------------------------------------------------------------
// wxBufferedStreams
// ---------------------------------------------------------------------------
-class wxBufferedInputStream: public wxFilterInputStream
+class WXDLLEXPORT wxBufferedInputStream: public wxFilterInputStream
{
public:
wxBufferedInputStream(wxInputStream& stream);
wxStreamBuffer *m_i_streambuf;
};
-class wxBufferedOutputStream: public wxFilterOutputStream
+class WXDLLEXPORT wxBufferedOutputStream: public wxFilterOutputStream
{
public:
wxBufferedOutputStream(wxOutputStream& stream);