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STLPORT/stlport/stl/_streambuf_iterator.h

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+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Copyright (c) 1996-1998
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Copyright (c) 1997
+ * Moscow Center for SPARC Technology
+ *
+ * Copyright (c) 1999 
+ * Boris Fomitchev
+ *
+ * This material is provided "as is", with absolutely no warranty expressed
+ * or implied. Any use is at your own risk.
+ *
+ * Permission to use or copy this software for any purpose is hereby granted 
+ * without fee, provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ *
+ */
+
+/* NOTE: This is an internal header file, included by other STL headers.
+ *   You should not attempt to use it directly.
+ */
+
+#if !defined (_STLP_INTERNAL_STREAMBUF_ITERATOR_H)
+#define _STLP_INTERNAL_STREAMBUF_ITERATOR_H
+
+_STLP_BEGIN_NAMESPACE
+
+template <class _CharT, class _Traits>
+basic_streambuf<_CharT, _Traits>* _STLP_CALL _M_get_ostreambuf(basic_ostream<_CharT, _Traits>& ) ;
+
+// The default template argument is declared in iosfwd
+template<class _CharT, class _Traits>
+class ostreambuf_iterator
+{
+public:
+  typedef _CharT                           char_type;
+  typedef _Traits                          traits_type;
+  typedef typename _Traits::int_type       int_type;
+  typedef basic_streambuf<_CharT, _Traits> streambuf_type;
+  typedef basic_ostream<_CharT, _Traits>   ostream_type;
+
+  typedef output_iterator_tag              iterator_category;
+  typedef void                             value_type;
+  typedef void                             difference_type;
+  typedef void                             pointer;
+  typedef void                             reference;
+
+public:
+  ostreambuf_iterator(streambuf_type* __buf) _STLP_NOTHROW : _M_buf(__buf), _M_ok(__buf!=0) {}
+  ostreambuf_iterator(ostream_type& __o) _STLP_NOTHROW : _M_buf(_M_get_ostreambuf(__o)), _M_ok(_M_buf != 0) {}
+
+  ostreambuf_iterator<_CharT, _Traits>& operator=(char_type __c) {
+    _M_ok = _M_ok && !traits_type::eq_int_type(_M_buf->sputc(__c),
+                                               traits_type::eof());
+    return *this;
+  }    
+  
+  ostreambuf_iterator<_CharT, _Traits>& operator*()     { return *this; }
+  ostreambuf_iterator<_CharT, _Traits>& operator++()    { return *this; }
+  ostreambuf_iterator<_CharT, _Traits>& operator++(int) { return *this; }
+
+  bool failed() const { return !_M_ok; }
+
+private:
+  streambuf_type* _M_buf;
+  bool _M_ok;
+};
+
+_STLP_END_NAMESPACE
+
+#endif /* _STLP_INTERNAL_STREAMBUF_ITERATOR_H */
+
+// Local Variables:
+// mode:C++
+// End:
+