--- /dev/null
+/*
+ * Copyright (c) 1999
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * 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.
+ *
+ */
+#ifndef _STLP_INTERNAL_ISTREAM
+#define _STLP_INTERNAL_ISTREAM
+
+// this block is included by _ostream.h, we include it here to lower #include level
+#if defined (_STLP_HAS_WCHAR_T) && !defined (_STLP_INTERNAL_CWCHAR)
+# include <stl/_cwchar.h>
+#endif
+
+#ifndef _STLP_INTERNAL_IOS_H
+# include <stl/_ios.h> // For basic_ios<>. Includes <iosfwd>.
+#endif
+
+#ifndef _STLP_INTERNAL_OSTREAM_H
+# include <stl/_ostream.h> // Needed as a base class of basic_iostream.
+#endif
+
+#ifndef _STLP_INTERNAL_ISTREAMBUF_ITERATOR_H
+# include <stl/_istreambuf_iterator.h>
+#endif
+
+#include <stl/_ctraits_fns.h> // Helper functions that allow char traits
+ // to be used as function objects.
+_STLP_BEGIN_NAMESPACE
+
+#if defined (_STLP_USE_TEMPLATE_EXPORT)
+template <class _CharT, class _Traits>
+class _Isentry;
+#endif
+
+struct _No_Skip_WS {}; // Dummy class used by sentry.
+
+template <class _CharT, class _Traits>
+bool _M_init_skip(basic_istream<_CharT, _Traits>& __istr);
+template <class _CharT, class _Traits>
+bool _M_init_noskip(basic_istream<_CharT, _Traits>& __istr);
+
+//----------------------------------------------------------------------
+// Class basic_istream, a class that performs formatted input through
+// a stream buffer.
+
+// The second template parameter, _Traits, defaults to char_traits<_CharT>.
+// The default is declared in header <iosfwd>, and it isn't declared here
+// because C++ language rules do not allow it to be declared twice.
+
+template <class _CharT, class _Traits>
+class basic_istream : virtual public basic_ios<_CharT, _Traits> {
+ typedef basic_istream<_CharT, _Traits> _Self;
+
+#if defined (_STLP_MSVC) && (_STLP_MSVC >= 1300 && _STLP_MSVC <= 1310)
+ //explicitely defined as private to avoid warnings:
+ basic_istream(_Self const&);
+ _Self& operator = (_Self const&);
+#endif
+
+public:
+ // Types
+ typedef _CharT char_type;
+ typedef typename _Traits::int_type int_type;
+ typedef typename _Traits::pos_type pos_type;
+ typedef typename _Traits::off_type off_type;
+ typedef _Traits traits_type;
+ typedef basic_ios<_CharT, _Traits> _Basic_ios;
+
+ typedef basic_ios<_CharT, _Traits>& (_STLP_CALL *__ios_fn)(basic_ios<_CharT, _Traits>&);
+ typedef ios_base& (_STLP_CALL *__ios_base_fn)(ios_base&);
+ typedef _Self& (_STLP_CALL *__istream_fn)(_Self&);
+
+public: // Constructor and destructor.
+ explicit basic_istream(basic_streambuf<_CharT, _Traits>* __buf) :
+ basic_ios<_CharT, _Traits>(), _M_gcount(0) {
+ this->init(__buf);
+ }
+ ~basic_istream() {};
+
+public: // Nested sentry class.
+
+public: // Hooks for manipulators. The arguments are
+ // function pointers.
+ _Self& operator>> (__istream_fn __f) { return __f(*this); }
+ _Self& operator>> (__ios_fn __f) { __f(*this); return *this; }
+ _Self& operator>> (__ios_base_fn __f) { __f(*this); return *this; }
+
+public: // Formatted input of numbers.
+ _Self& operator>> (short& __val);
+ _Self& operator>> (int& __val);
+ _Self& operator>> (unsigned short& __val);
+ _Self& operator>> (unsigned int& __val);
+ _Self& operator>> (long& __val);
+ _Self& operator>> (unsigned long& __val);
+#ifdef _STLP_LONG_LONG
+ _Self& operator>> (_STLP_LONG_LONG& __val);
+ _Self& operator>> (unsigned _STLP_LONG_LONG& __val);
+#endif
+ _Self& operator>> (float& __val);
+ _Self& operator>> (double& __val);
+# ifndef _STLP_NO_LONG_DOUBLE
+ _Self& operator>> (long double& __val);
+# endif
+# ifndef _STLP_NO_BOOL
+ _Self& operator>> (bool& __val);
+# endif
+ _Self& operator>> (void*& __val);
+
+public: // Copying characters into a streambuf.
+ _Self& operator>>(basic_streambuf<_CharT, _Traits>*);
+
+public: // Unformatted input.
+ streamsize gcount() const { return _M_gcount; }
+ int_type peek();
+
+public: // get() for single characters
+ int_type get();
+ _Self& get(char_type& __c);
+
+public: // get() for character arrays.
+ _Self& get(char_type* __s, streamsize __n, char_type __delim);
+ _Self& get(char_type* __s, streamsize __n)
+ { return get(__s, __n, this->widen('\n')); }
+
+public: // get() for streambufs
+ _Self& get(basic_streambuf<_CharT, _Traits>& __buf,
+ char_type __delim);
+ _Self& get(basic_streambuf<_CharT, _Traits>& __buf)
+ { return get(__buf, this->widen('\n')); }
+
+public: // getline()
+ _Self& getline(char_type* __s, streamsize __n, char_type delim);
+ _Self& getline(char_type* __s, streamsize __n)
+ { return getline(__s, __n, this->widen('\n')); }
+
+public: // read(), readsome(), ignore()
+ _Self& ignore();
+ _Self& ignore(streamsize __n);
+#if (defined (_STLP_MSVC) && _STLP_MSVC < 1200)
+ inline
+#endif
+ _Self& ignore(streamsize __n, int_type __delim);
+
+ _Self& read(char_type* __s, streamsize __n);
+ streamsize readsome(char_type* __s, streamsize __n);
+
+public: // putback
+ _Self& putback(char_type __c);
+ _Self& unget();
+
+public: // Positioning and buffer control.
+ int sync();
+
+ pos_type tellg();
+ _Self& seekg(pos_type __pos);
+ _Self& seekg(off_type, ios_base::seekdir);
+
+public: // Helper functions for non-member extractors.
+ void _M_formatted_get(_CharT& __c);
+ void _M_formatted_get(_CharT* __s);
+ void _M_skip_whitespace(bool __set_failbit);
+
+private: // Number of characters extracted by the
+ streamsize _M_gcount; // most recent unformatted input function.
+
+public:
+
+#if defined (_STLP_USE_TEMPLATE_EXPORT)
+ // If we are using DLL specs, we have not to use inner classes
+ // end class declaration here
+ typedef _Isentry<_CharT, _Traits> sentry;
+};
+# define sentry _Isentry
+template <class _CharT, class _Traits>
+class _Isentry {
+ typedef _Isentry<_CharT, _Traits> _Self;
+# else
+ class sentry {
+ typedef sentry _Self;
+#endif
+
+ private:
+ const bool _M_ok;
+ // basic_streambuf<_CharT, _Traits>* _M_buf;
+
+ public:
+ typedef _Traits traits_type;
+
+ explicit sentry(basic_istream<_CharT, _Traits>& __istr,
+ bool __noskipws = false) :
+ _M_ok((__noskipws || !(__istr.flags() & ios_base::skipws)) ? _M_init_noskip(__istr) : _M_init_skip(__istr) )
+ /* , _M_buf(__istr.rdbuf()) */
+ {}
+
+ // Calling this constructor is the same as calling the previous one with
+ // __noskipws = true, except that it doesn't require a runtime test.
+ sentry(basic_istream<_CharT, _Traits>& __istr, _No_Skip_WS) : /* _M_buf(__istr.rdbuf()), */
+ _M_ok(_M_init_noskip(__istr)) {}
+
+ ~sentry() {}
+
+ operator bool() const { return _M_ok; }
+
+ private: // Disable assignment and copy constructor.
+ //Implementation is here only to avoid warning with some compilers.
+ sentry(const _Self&) : _M_ok(false) {}
+ _Self& operator=(const _Self&) { return *this; }
+ };
+
+# if defined (_STLP_USE_TEMPLATE_EXPORT)
+# undef sentry
+# else
+ // close basic_istream class definition here
+};
+# endif
+
+# if defined (_STLP_USE_TEMPLATE_EXPORT)
+_STLP_EXPORT_TEMPLATE_CLASS _Isentry<char, char_traits<char> >;
+_STLP_EXPORT_TEMPLATE_CLASS basic_istream<char, char_traits<char> >;
+# if ! defined (_STLP_NO_WCHAR_T)
+_STLP_EXPORT_TEMPLATE_CLASS _Isentry<wchar_t, char_traits<wchar_t> >;
+_STLP_EXPORT_TEMPLATE_CLASS basic_istream<wchar_t, char_traits<wchar_t> >;
+# endif
+# endif /* _STLP_USE_TEMPLATE_EXPORT */
+
+// Non-member character and string extractor functions.
+template <class _CharT, class _Traits>
+inline basic_istream<_CharT, _Traits>& _STLP_CALL
+operator>>(basic_istream<_CharT, _Traits>& __in_str, _CharT& __c) {
+ __in_str._M_formatted_get(__c);
+ return __in_str;
+}
+
+template <class _Traits>
+inline basic_istream<char, _Traits>& _STLP_CALL
+operator>>(basic_istream<char, _Traits>& __in_str, unsigned char& __c) {
+ __in_str._M_formatted_get(__REINTERPRET_CAST(char&,__c));
+ return __in_str;
+}
+
+template <class _Traits>
+inline basic_istream<char, _Traits>& _STLP_CALL
+operator>>(basic_istream<char, _Traits>& __in_str, signed char& __c) {
+ __in_str._M_formatted_get(__REINTERPRET_CAST(char&,__c));
+ return __in_str;
+}
+
+template <class _CharT, class _Traits>
+inline basic_istream<_CharT, _Traits>& _STLP_CALL
+operator>>(basic_istream<_CharT, _Traits>& __in_str, _CharT* __s) {
+ __in_str._M_formatted_get(__s);
+ return __in_str;
+}
+
+template <class _Traits>
+inline basic_istream<char, _Traits>& _STLP_CALL
+operator>>(basic_istream<char, _Traits>& __in_str, unsigned char* __s) {
+ __in_str._M_formatted_get(__REINTERPRET_CAST(char*,__s));
+ return __in_str;
+}
+
+template <class _Traits>
+inline basic_istream<char, _Traits>& _STLP_CALL
+operator>>(basic_istream<char, _Traits>& __in_str, signed char* __s) {
+ __in_str._M_formatted_get(__REINTERPRET_CAST(char*,__s));
+ return __in_str;
+}
+
+//----------------------------------------------------------------------
+// istream manipulator.
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>& _STLP_CALL
+ws(basic_istream<_CharT, _Traits>& __istr) {
+ if (!__istr.eof()) {
+ typedef typename basic_istream<_CharT, _Traits>::sentry _Sentry;
+ _Sentry __sentry(__istr, _No_Skip_WS()); // Don't skip whitespace.
+ if (__sentry)
+ __istr._M_skip_whitespace(false);
+ }
+ return __istr;
+}
+
+// Helper functions for istream<>::sentry constructor.
+template <class _CharT, class _Traits>
+inline bool _M_init_skip(basic_istream<_CharT, _Traits>& __istr) {
+ if (__istr.good()) {
+ if (__istr.tie())
+ __istr.tie()->flush();
+
+ __istr._M_skip_whitespace(true);
+ }
+
+ if (!__istr.good()) {
+ __istr.setstate(ios_base::failbit);
+ return false;
+ } else
+ return true;
+}
+
+template <class _CharT, class _Traits>
+inline bool _M_init_noskip(basic_istream<_CharT, _Traits>& __istr) {
+ if (__istr.good()) {
+ if (__istr.tie())
+ __istr.tie()->flush();
+
+ if (!__istr.rdbuf())
+ __istr.setstate(ios_base::badbit);
+ }
+ else
+ __istr.setstate(ios_base::failbit);
+ return __istr.good();
+}
+
+//----------------------------------------------------------------------
+// Class iostream.
+template <class _CharT, class _Traits>
+class basic_iostream
+ : public basic_istream<_CharT, _Traits>,
+ public basic_ostream<_CharT, _Traits>
+{
+public:
+ typedef basic_ios<_CharT, _Traits> _Basic_ios;
+
+ explicit basic_iostream(basic_streambuf<_CharT, _Traits>* __buf);
+ virtual ~basic_iostream();
+};
+
+# if defined (_STLP_USE_TEMPLATE_EXPORT)
+_STLP_EXPORT_TEMPLATE_CLASS basic_iostream<char, char_traits<char> >;
+
+# if ! defined (_STLP_NO_WCHAR_T)
+_STLP_EXPORT_TEMPLATE_CLASS basic_iostream<wchar_t, char_traits<wchar_t> >;
+# endif
+# endif /* _STLP_USE_TEMPLATE_EXPORT */
+
+template <class _CharT, class _Traits>
+basic_streambuf<_CharT, _Traits>* _STLP_CALL _M_get_istreambuf(basic_istream<_CharT, _Traits>& __istr)
+{ return __istr.rdbuf(); }
+
+_STLP_END_NAMESPACE
+
+#if defined (_STLP_EXPOSE_STREAM_IMPLEMENTATION) && !defined (_STLP_LINK_TIME_INSTANTIATION)
+# include <stl/_istream.c>
+#endif
+
+#endif /* _STLP_INTERNAL_ISTREAM */
+
+// Local Variables:
+// mode:C++
+// End:
projects / polintos / scott / priv.git / blobdiff