--- /dev/null
+/*
+ *
+ * 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_STREAM_ITERATOR_H) && !defined (_STLP_USE_NO_IOSTREAMS)
+#define _STLP_INTERNAL_STREAM_ITERATOR_H
+
+#ifndef _STLP_INTERNAL_ITERATOR_BASE_H
+# include <stl/_iterator_base.h>
+#endif
+
+// streambuf_iterators predeclarations must appear first
+#ifndef _STLP_IOSFWD
+# include <iosfwd>
+#endif
+
+#ifndef _STLP_INTERNAL_ALGOBASE_H
+# include <stl/_algobase.h>
+#endif
+
+#ifndef _STLP_INTERNAL_OSTREAMBUF_ITERATOR_H
+# include <stl/_ostreambuf_iterator.h>
+#endif
+
+#ifndef _STLP_INTERNAL_ISTREAMBUF_ITERATOR_H
+# include <stl/_istreambuf_iterator.h>
+#endif
+
+#ifndef _STLP_INTERNAL_ISTREAM
+# include <stl/_istream.h>
+#endif
+
+// istream_iterator and ostream_iterator look very different if we're
+// using new, templatized iostreams than if we're using the old cfront
+// version.
+
+_STLP_BEGIN_NAMESPACE
+
+#if !defined (_STLP_LIMITED_DEFAULT_TEMPLATES)
+# define __ISI_TMPL_HEADER_ARGUMENTS class _Tp, class _CharT, class _Traits, class _Dist
+# define __ISI_TMPL_ARGUMENTS _Tp, _CharT, _Traits, _Dist
+template <class _Tp,
+ class _CharT = _STLP_DEFAULTCHAR, class _Traits = char_traits<_CharT>,
+ class _Dist = ptrdiff_t>
+class istream_iterator : public iterator<input_iterator_tag, _Tp , _Dist,
+ const _Tp*, const _Tp& > {
+#else
+# if defined (_STLP_MINIMUM_DEFAULT_TEMPLATE_PARAMS) && !defined (_STLP_DEFAULT_TYPE_PARAM)
+# define __ISI_TMPL_HEADER_ARGUMENTS class _Tp
+# define __ISI_TMPL_ARGUMENTS _Tp
+template <class _Tp>
+class istream_iterator : public iterator<input_iterator_tag, _Tp , ptrdiff_t,
+ const _Tp*, const _Tp& > {
+# else
+# define __ISI_TMPL_HEADER_ARGUMENTS class _Tp, class _Dist
+# define __ISI_TMPL_ARGUMENTS _Tp, _Dist
+template <class _Tp, _STLP_DFL_TYPE_PARAM(_Dist, ptrdiff_t)>
+class istream_iterator : public iterator<input_iterator_tag, _Tp, _Dist ,
+ const _Tp*, const _Tp& > {
+# endif /* _STLP_MINIMUM_DEFAULT_TEMPLATE_PARAMS */
+#endif /* _STLP_LIMITED_DEFAULT_TEMPLATES */
+
+#if defined (_STLP_LIMITED_DEFAULT_TEMPLATES)
+ typedef char _CharT;
+ typedef char_traits<char> _Traits;
+# if defined (_STLP_MINIMUM_DEFAULT_TEMPLATE_PARAMS) && !defined (_STLP_DEFAULT_TYPE_PARAM)
+ typedef ptrdiff_t _Dist;
+# endif
+#endif
+
+ typedef istream_iterator< __ISI_TMPL_ARGUMENTS > _Self;
+public:
+ typedef _CharT char_type;
+ typedef _Traits traits_type;
+ typedef basic_istream<_CharT, _Traits> istream_type;
+
+ typedef input_iterator_tag iterator_category;
+ typedef _Tp value_type;
+ typedef _Dist difference_type;
+ typedef const _Tp* pointer;
+ typedef const _Tp& reference;
+
+ istream_iterator() : _M_stream(0), _M_ok(false), _M_read_done(true) {}
+ istream_iterator(istream_type& __s) : _M_stream(&__s), _M_ok(false), _M_read_done(false) {}
+
+ reference operator*() const {
+ if (!_M_read_done) {
+ _M_read();
+ }
+ return _M_value;
+ }
+
+ _STLP_DEFINE_ARROW_OPERATOR
+
+ _Self& operator++() {
+ _M_read();
+ return *this;
+ }
+ _Self operator++(int) {
+ _Self __tmp = *this;
+ _M_read();
+ return __tmp;
+ }
+
+ bool _M_equal(const _Self& __x) const {
+ if (!_M_read_done) {
+ _M_read();
+ }
+ if (!__x._M_read_done) {
+ __x._M_read();
+ }
+ return (_M_ok == __x._M_ok) && (!_M_ok || _M_stream == __x._M_stream);
+ }
+
+private:
+ istream_type* _M_stream;
+ mutable _Tp _M_value;
+ mutable bool _M_ok;
+ mutable bool _M_read_done;
+
+ void _M_read() const {
+ _M_ok = ((_M_stream != 0) && !_M_stream->fail());
+ if (_M_ok) {
+ *_M_stream >> _M_value;
+ _M_ok = !_M_stream->fail();
+ }
+ _M_read_done = true;
+ }
+};
+
+#if !defined (_STLP_LIMITED_DEFAULT_TEMPLATES)
+template <class _TpP,
+ class _CharT = _STLP_DEFAULTCHAR, class _Traits = char_traits<_CharT> >
+#else
+template <class _TpP>
+#endif
+class ostream_iterator: public iterator<output_iterator_tag, void, void, void, void> {
+#if defined (_STLP_LIMITED_DEFAULT_TEMPLATES)
+ typedef char _CharT;
+ typedef char_traits<char> _Traits;
+ typedef ostream_iterator<_TpP> _Self;
+#else
+ typedef ostream_iterator<_TpP, _CharT, _Traits> _Self;
+#endif
+public:
+ typedef _CharT char_type;
+ typedef _Traits traits_type;
+ typedef basic_ostream<_CharT, _Traits> ostream_type;
+
+ typedef output_iterator_tag iterator_category;
+
+ ostream_iterator(ostream_type& __s) : _M_stream(&__s), _M_string(0) {}
+ ostream_iterator(ostream_type& __s, const _CharT* __c)
+ : _M_stream(&__s), _M_string(__c) {}
+ _Self& operator=(const _TpP& __val) {
+ *_M_stream << __val;
+ if (_M_string) *_M_stream << _M_string;
+ return *this;
+ }
+ _Self& operator*() { return *this; }
+ _Self& operator++() { return *this; }
+ _Self& operator++(int) { return *this; }
+private:
+ ostream_type* _M_stream;
+ const _CharT* _M_string;
+};
+
+#if defined (_STLP_USE_OLD_HP_ITERATOR_QUERIES)
+# if defined (_STLP_LIMITED_DEFAULT_TEMPLATES)
+template <class _TpP>
+inline output_iterator_tag _STLP_CALL
+iterator_category(const ostream_iterator<_TpP>&) { return output_iterator_tag(); }
+# else
+template <class _TpP, class _CharT, class _Traits>
+inline output_iterator_tag _STLP_CALL
+iterator_category(const ostream_iterator<_TpP, _CharT, _Traits>&) { return output_iterator_tag(); }
+# endif
+#endif
+
+_STLP_END_NAMESPACE
+
+// form-independent definiotion of stream iterators
+_STLP_BEGIN_NAMESPACE
+
+template < __ISI_TMPL_HEADER_ARGUMENTS >
+inline bool _STLP_CALL
+operator==(const istream_iterator< __ISI_TMPL_ARGUMENTS >& __x,
+ const istream_iterator< __ISI_TMPL_ARGUMENTS >& __y)
+{ return __x._M_equal(__y); }
+
+#if defined (_STLP_USE_SEPARATE_RELOPS_NAMESPACE)
+template < __ISI_TMPL_HEADER_ARGUMENTS >
+inline bool _STLP_CALL
+operator!=(const istream_iterator< __ISI_TMPL_ARGUMENTS >& __x,
+ const istream_iterator< __ISI_TMPL_ARGUMENTS >& __y)
+{ return !__x._M_equal(__y); }
+#endif
+
+#if defined (_STLP_USE_OLD_HP_ITERATOR_QUERIES)
+template < __ISI_TMPL_HEADER_ARGUMENTS >
+inline input_iterator_tag _STLP_CALL
+iterator_category(const istream_iterator< __ISI_TMPL_ARGUMENTS >&)
+{ return input_iterator_tag(); }
+template < __ISI_TMPL_HEADER_ARGUMENTS >
+inline _Tp* _STLP_CALL
+value_type(const istream_iterator< __ISI_TMPL_ARGUMENTS >&) { return (_Tp*) 0; }
+
+# if defined (_STLP_MINIMUM_DEFAULT_TEMPLATE_PARAMS) && !defined (_STLP_DEFAULT_TYPE_PARAM)
+template < __ISI_TMPL_HEADER_ARGUMENTS >
+inline ptrdiff_t* _STLP_CALL
+distance_type(const istream_iterator< __ISI_TMPL_ARGUMENTS >&) { return (ptrdiff_t*)0; }
+# else
+template < __ISI_TMPL_HEADER_ARGUMENTS >
+inline _Dist* _STLP_CALL
+distance_type(const istream_iterator< __ISI_TMPL_ARGUMENTS >&) { return (_Dist*)0; }
+# endif /* _STLP_MINIMUM_DEFAULT_TEMPLATE_PARAMS */
+#endif
+
+_STLP_END_NAMESPACE
+
+#undef __ISI_TMPL_HEADER_ARGUMENTS
+#undef __ISI_TMPL_ARGUMENTS
+
+#endif /* _STLP_INTERNAL_STREAM_ITERATOR_H */
+
+// Local Variables:
+// mode:C++
+// End:
projects / polintos / scott / priv.git / blobdiff