--- /dev/null
+/*
+ * Copyright (c) 1996,1997
+ * 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_CHAR_TRAITS_H
+#define _STLP_CHAR_TRAITS_H
+
+// Define char_traits
+
+#ifndef _STLP_INTERNAL_CSTDDEF
+# include <stl/_cstddef.h>
+#endif
+
+#ifndef _STLP_INTERNAL_CSTRING
+# include <stl/_cstring.h>
+#endif
+
+#if defined (__unix) || defined (N_PLAT_NLM)
+# include <sys/types.h> // For off_t
+#endif /* __unix */
+
+#ifdef __BORLANDC__
+# include _STLP_NATIVE_C_HEADER(mem.h)
+# include _STLP_NATIVE_C_HEADER(string.h)
+# include _STLP_NATIVE_C_HEADER(_stddef.h)
+#endif
+
+#ifndef _STLP_INTERNAL_CONSTRUCT_H
+# include <stl/_construct.h>
+#endif
+
+#ifndef _STLP_INTERNAL_CWCHAR
+# include <stl/_cwchar.h>
+#endif
+
+_STLP_BEGIN_NAMESPACE
+
+template <class _Tp> class allocator;
+
+#define _STLP_NULL_CHAR_INIT(_ChT) _STLP_DEFAULT_CONSTRUCTED(_ChT)
+
+#if defined (__sgi) && defined (_STLP_HAS_NO_NEW_C_HEADERS) /* IRIX */
+typedef off64_t streamoff;
+#elif defined(_STLP_WCE)
+typedef long streamoff;
+#elif defined (_STLP_WIN32)
+# if defined (_STLP_LONG_LONG) && !defined (__CYGWIN__)
+//The Win32 file io API support 64 bits access so streamoff and streamsize
+//has to reflect that. Do not change the stringbuf behavior.
+typedef _STLP_LONG_LONG streamoff;
+# else
+typedef ptrdiff_t streamoff;
+# endif
+#else // __unix
+# ifdef _STLP_USE_DEFAULT_FILE_OFFSET
+typedef off_t streamoff;
+# elif defined(_LARGEFILE_SOURCE) || defined(_LARGEFILE64_SOURCE) /* || defined(__USE_FILE_OFFSET64) */ \
+ /* || (defined(_FILE_OFFSET_BITS) && (_FILE_OFFSET_BITS == 64)) */ /* || defined (__sgi) && defined (_STLP_HAS_NO_NEW_C_HEADERS) */
+typedef off64_t streamoff;
+# else
+typedef off_t streamoff;
+# endif
+#endif /* ___unix */
+
+#if defined (_STLP_WIN32)
+typedef streamoff streamsize;
+#else
+typedef ptrdiff_t streamsize;
+#endif
+
+// Class fpos, which represents a position within a file. (The C++
+// standard calls for it to be defined in <ios>. This implementation
+// moves it to <iosfwd>, which is included by <ios>.)
+template <class _StateT> class fpos {
+public: // From table 88 of the C++ standard.
+ fpos(streamoff __pos) : _M_pos(__pos), _M_st(_STLP_NULL_CHAR_INIT(_StateT)) {}
+ fpos() : _M_pos(0), _M_st(_STLP_NULL_CHAR_INIT(_StateT)) {}
+
+ operator streamoff() const { return _M_pos; }
+
+ bool operator==(const fpos& __y) const
+ { return _M_pos == __y._M_pos; }
+ bool operator!=(const fpos& __y) const
+ { return _M_pos != __y._M_pos; }
+
+ fpos& operator+=(streamoff __off) {
+ _M_pos += __off;
+ return *this;
+ }
+ fpos& operator-=(streamoff __off) {
+ _M_pos -= __off;
+ return *this;
+ }
+
+ fpos operator+(streamoff __off) {
+ fpos __tmp(*this);
+ __tmp += __off;
+ return __tmp;
+ }
+ fpos operator-(streamoff __off) {
+ fpos __tmp(*this);
+ __tmp -= __off;
+ return __tmp;
+ }
+
+public: // Manipulation of the state member.
+ _StateT state() const { return _M_st; }
+ void state(_StateT __st) { _M_st = __st; }
+private:
+ streamoff _M_pos;
+ _StateT _M_st;
+};
+
+#if !defined (_STLP_NO_MBSTATE_T)
+typedef fpos<mbstate_t> streampos;
+typedef fpos<mbstate_t> wstreampos;
+#endif
+
+// Class __char_traits_base.
+template <class _CharT, class _IntT>
+class __char_traits_base {
+public:
+ typedef _CharT char_type;
+ typedef _IntT int_type;
+ typedef streamoff off_type;
+ typedef streampos pos_type;
+#if defined (_STLP_NO_MBSTATE_T)
+ typedef char state_type;
+#else
+ typedef mbstate_t state_type;
+#endif
+
+ static void _STLP_CALL assign(char_type& __c1, const char_type& __c2) { __c1 = __c2; }
+ static bool _STLP_CALL eq(const char_type& __c1, const char_type& __c2)
+ { return __c1 == __c2; }
+ static bool _STLP_CALL lt(const char_type& __c1, const char_type& __c2)
+ { return __c1 < __c2; }
+
+ static int _STLP_CALL compare(const char_type* __s1, const char_type* __s2, size_t __n) {
+ for (size_t __i = 0; __i < __n; ++__i)
+ if (!eq(__s1[__i], __s2[__i]))
+ return __s1[__i] < __s2[__i] ? -1 : 1;
+ return 0;
+ }
+
+ static size_t _STLP_CALL length(const char_type* __s) {
+ const char_type _NullChar = _STLP_DEFAULT_CONSTRUCTED(char_type);
+ size_t __i(0);
+ for (; !eq(__s[__i], _NullChar); ++__i) {}
+ return __i;
+ }
+
+ static const char_type* _STLP_CALL find(const char_type* __s, size_t __n, const char_type& __c) {
+ for ( ; __n > 0 ; ++__s, --__n)
+ if (eq(*__s, __c))
+ return __s;
+ return 0;
+ }
+
+ static char_type* _STLP_CALL move(char_type* __s1, const char_type* __s2, size_t _Sz)
+ { return (_Sz == 0 ? __s1 : (char_type*)memmove(__s1, __s2, _Sz * sizeof(char_type))); }
+
+ static char_type* _STLP_CALL copy(char_type* __s1, const char_type* __s2, size_t __n) {
+ return (__n == 0 ? __s1 :
+ (char_type*)memcpy(__s1, __s2, __n * sizeof(char_type)));
+ }
+
+ static char_type* _STLP_CALL assign(char_type* __s, size_t __n, char_type __c) {
+ for (size_t __i = 0; __i < __n; ++__i)
+ __s[__i] = __c;
+ return __s;
+ }
+
+ static int_type _STLP_CALL not_eof(const int_type& __c)
+ { return !eq_int_type(__c, eof()) ? __c : __STATIC_CAST(int_type, 0); }
+
+ static char_type _STLP_CALL to_char_type(const int_type& __c)
+ { return (char_type)__c; }
+
+ static int_type _STLP_CALL to_int_type(const char_type& __c)
+ { return (int_type)__c; }
+
+ static bool _STLP_CALL eq_int_type(const int_type& __c1, const int_type& __c2)
+ { return __c1 == __c2; }
+
+ static int_type _STLP_CALL eof()
+ { return (int_type)-1; }
+};
+
+// Generic char_traits class. Note that this class is provided only
+// as a base for explicit specialization; it is unlikely to be useful
+// as is for any particular user-defined type. In particular, it
+// *will not work* for a non-POD type.
+
+template <class _CharT>
+class char_traits
+ : public __char_traits_base<_CharT, _CharT> {};
+
+// Specialization for char.
+
+_STLP_TEMPLATE_NULL
+class _STLP_CLASS_DECLSPEC char_traits<char>
+ : public __char_traits_base<char, int> {
+public:
+ typedef char char_type;
+ typedef int int_type;
+ typedef streamoff off_type;
+#if !defined (_STLP_NO_MBSTATE_T)
+ typedef streampos pos_type;
+ typedef mbstate_t state_type;
+#endif
+
+ static char _STLP_CALL to_char_type(const int& __c)
+ { return (char)(unsigned char)__c; }
+
+ static int _STLP_CALL to_int_type(const char& __c)
+ { return (unsigned char)__c; }
+
+ static int _STLP_CALL compare(const char* __s1, const char* __s2, size_t __n)
+ { return memcmp(__s1, __s2, __n); }
+
+ static size_t _STLP_CALL length(const char* __s)
+ { return strlen(__s); }
+
+ static void _STLP_CALL assign(char& __c1, const char& __c2)
+ { __c1 = __c2; }
+
+ static char* _STLP_CALL assign(char* __s, size_t __n, char __c) {
+ memset(__s, __c, __n);
+ return __s;
+ }
+};
+
+#if defined (_STLP_HAS_WCHAR_T)
+// Specialization for wchar_t.
+_STLP_TEMPLATE_NULL
+class _STLP_CLASS_DECLSPEC char_traits<wchar_t>
+ : public __char_traits_base<wchar_t, wint_t> {
+# if !defined (_STLP_NO_NATIVE_WIDE_FUNCTIONS) && !defined (_STLP_WCHAR_HPACC_EXCLUDE)
+public:
+# if !defined (N_PLAT_NLM)
+# if !defined (__BORLANDC__)
+ static wchar_t* _STLP_CALL move(wchar_t* __dest, const wchar_t* __src, size_t __n)
+ { return wmemmove(__dest, __src, __n); }
+# endif
+
+ static wchar_t* _STLP_CALL copy(wchar_t* __dest, const wchar_t* __src, size_t __n)
+ { return wmemcpy(__dest, __src, __n); }
+
+# if !defined (__DMC__) && !defined (__BORLANDC__)
+ static int _STLP_CALL compare(const wchar_t* __s1, const wchar_t* __s2, size_t __n)
+ { return wmemcmp(__s1, __s2, __n); }
+# endif
+
+ static wchar_t* _STLP_CALL assign(wchar_t* __s, size_t __n, wchar_t __c)
+ { return wmemset(__s, __c, __n); }
+# endif
+
+ static size_t _STLP_CALL length(const wchar_t* __s)
+ { return wcslen(__s); }
+
+ static void _STLP_CALL assign(wchar_t& __c1, const wchar_t& __c2)
+ { __c1 = __c2; }
+# endif
+};
+#endif
+
+_STLP_END_NAMESPACE
+
+#endif /* _STLP_CHAR_TRAITS_H */
+
+// Local Variables:
+// mode:C++
+// End: