auto buffer class(es)

[wxWidgets.git] / include / wx / stream.h

diff --git a/include/wx/stream.h b/include/wx/stream.h
index df2cf2efe0fd4a46ced730d2e7c9480e891daf36..c9d0bb7b84d34241bc62b49ec96591574430a619 100644 (file)
--- a/include/wx/stream.h
+++ b/include/wx/stream.h
@@ -28,7 +28,7 @@ class WXDLLEXPORT wxOutputStream;
 typedef wxInputStream& (*__wxInputManip)(wxInputStream&);
 typedef wxOutputStream& (*__wxOutputManip)(wxOutputStream&);
 
-wxOutputStream& WXDLLEXPORT wxEndL(wxOutputStream& o_stream);
+WXDLLEXPORT wxOutputStream& wxEndL(wxOutputStream& o_stream);
 
 // ---------------------------------------------------------------------------
 // Stream buffer
@@ -37,7 +37,7 @@ wxOutputStream& WXDLLEXPORT wxEndL(wxOutputStream& o_stream);
 class WXDLLEXPORT wxStreamBuffer {
  public:
   typedef enum {
-    read, write, read_write
+    read = 0, write, read_write
   } BufMode;
 
   // -----------
@@ -51,9 +51,12 @@ class WXDLLEXPORT 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);
@@ -78,7 +81,12 @@ class WXDLLEXPORT wxStreamBuffer {
 
   bool FlushBuffer();
   bool FillBuffer();
-  size_t GetDataLeft() const;
+  size_t GetDataLeft();
+
+  // --------------
+  // Administration
+  // --------------
+  wxStreamBase *Stream() { return m_stream; }
 
  protected:
   char *AllocSpaceWBack(size_t needed_size);
@@ -98,7 +106,7 @@ class WXDLLEXPORT wxStreamBuffer {
 
   wxStreamBase *m_stream;
   BufMode m_mode;
-  bool m_destroybuf;
+  bool m_destroybuf, m_destroystream;
 };
 
 // ---------------------------------------------------------------------------
@@ -106,8 +114,10 @@ class WXDLLEXPORT wxStreamBuffer {
 // ---------------------------------------------------------------------------
 
 typedef enum {
-  wxStream_NOERROR,
-  wxStream_EOF
+  wxStream_NOERROR = 0,
+  wxStream_EOF,
+  wxStream_WRITE_ERR,
+  wxStream_READ_ERR
 } wxStreamError;
 
 class WXDLLEXPORT wxStreamBase {
@@ -140,7 +150,7 @@ class WXDLLEXPORT wxInputStream: public wxStreamBase {
   // 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
@@ -181,7 +191,7 @@ class WXDLLEXPORT wxOutputStream: public wxStreamBase {
   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);