ReactOS 0.4.15-dev-5666-gc548b97
char_traits.h
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1/*
2 * Copyright (c) 1996,1997
3 * Silicon Graphics Computer Systems, Inc.
4 *
5 * Copyright (c) 1999
6 * Boris Fomitchev
7 *
8 * This material is provided "as is", with absolutely no warranty expressed
9 * or implied. Any use is at your own risk.
10 *
11 * Permission to use or copy this software for any purpose is hereby granted
12 * without fee, provided the above notices are retained on all copies.
13 * Permission to modify the code and to distribute modified code is granted,
14 * provided the above notices are retained, and a notice that the code was
15 * modified is included with the above copyright notice.
16 *
17 */
18
19#ifndef _STLP_CHAR_TRAITS_H
20#define _STLP_CHAR_TRAITS_H
21
22// Define char_traits
23
24#ifndef _STLP_INTERNAL_CSTDDEF
25# include <stl/_cstddef.h>
26#endif
27
28#ifndef _STLP_INTERNAL_CSTRING
29# include <stl/_cstring.h>
30#endif
31
32#if defined (__unix)
33# include <sys/types.h> // For off_t
34#endif /* __unix */
35
36#if defined (__BORLANDC__)
37# include <mem.h>
38# include <string.h>
39# include <_stddef.h>
40# include <sys/types.h>
41#endif
42
43#ifndef _STLP_INTERNAL_CONSTRUCT_H
44# include <stl/_construct.h>
45#endif
46
47#ifndef _STLP_INTERNAL_CWCHAR
48# include <stl/_cwchar.h>
49#endif
50
52
53template <class _Tp> class allocator;
54
55#define _STLP_NULL_CHAR_INIT(_ChT) _STLP_DEFAULT_CONSTRUCTED(_ChT)
56
57#if defined(_STLP_WCE)
58typedef long streamoff;
59#elif defined (_STLP_WIN32)
60# if defined (_STLP_LONG_LONG) && !defined (__CYGWIN__)
61//The Win32 file io API support 64 bits access so streamoff and streamsize
62//has to reflect that. Do not change the stringbuf behavior.
64# else
65typedef ptrdiff_t streamoff;
66# endif
67#else // __unix
68# ifdef _STLP_USE_DEFAULT_FILE_OFFSET
69typedef off_t streamoff;
70# elif defined(_LARGEFILE_SOURCE) || defined(_LARGEFILE64_SOURCE) /* || defined(__USE_FILE_OFFSET64) */ \
71 /* || (defined(_FILE_OFFSET_BITS) && (_FILE_OFFSET_BITS == 64)) */ /* || defined (__sgi) && defined (_STLP_HAS_NO_NEW_C_HEADERS) */
72typedef off64_t streamoff;
73# else
75# endif
76#endif /* __unix */
77
78#if defined (_STLP_WIN32)
79typedef streamoff streamsize;
80#else
82#endif
83
84// Class fpos, which represents a position within a file. (The C++
85// standard calls for it to be defined in <ios>. This implementation
86// moves it to <iosfwd>, which is included by <ios>.)
87template <class _StateT> class fpos {
88public: // From table 88 of the C++ standard.
89 fpos(streamoff __pos) : _M_pos(__pos), _M_st(_STLP_NULL_CHAR_INIT(_StateT)) {}
91
92 operator streamoff() const { return _M_pos; }
93
94 bool operator==(const fpos& __y) const
95 { return _M_pos == __y._M_pos; }
96 bool operator!=(const fpos& __y) const
97 { return _M_pos != __y._M_pos; }
98
100 _M_pos += __off;
101 return *this;
102 }
104 _M_pos -= __off;
105 return *this;
106 }
107
109 fpos __tmp(*this);
110 __tmp += __off;
111 return __tmp;
112 }
114 fpos __tmp(*this);
115 __tmp -= __off;
116 return __tmp;
117 }
118
119public: // Manipulation of the state member.
120 _StateT state() const { return _M_st; }
121 void state(_StateT __st) { _M_st = __st; }
122private:
124 _StateT _M_st;
125};
126
129
130// Class __char_traits_base.
131template <class _CharT, class _IntT>
133public:
134 typedef _CharT char_type;
135 typedef _IntT int_type;
139
140 static void _STLP_CALL assign(char_type& __c1, const char_type& __c2) { __c1 = __c2; }
141 static bool _STLP_CALL eq(const char_type& __c1, const char_type& __c2)
142 { return __c1 == __c2; }
143 static bool _STLP_CALL lt(const char_type& __c1, const char_type& __c2)
144 { return __c1 < __c2; }
145
146 static int _STLP_CALL compare(const char_type* __s1, const char_type* __s2, size_t __n) {
147 for (size_t __i = 0; __i < __n; ++__i)
148 if (!eq(__s1[__i], __s2[__i]))
149 return __s1[__i] < __s2[__i] ? -1 : 1;
150 return 0;
151 }
152
153 static size_t _STLP_CALL length(const char_type* __s) {
155 size_t __i(0);
156 for (; !eq(__s[__i], _NullChar); ++__i) {}
157 return __i;
158 }
159
160 static const char_type* _STLP_CALL find(const char_type* __s, size_t __n, const char_type& __c) {
161 for ( ; __n > 0 ; ++__s, --__n)
162 if (eq(*__s, __c))
163 return __s;
164 return 0;
165 }
166
167 static char_type* _STLP_CALL move(char_type* __s1, const char_type* __s2, size_t _Sz)
168 { return (_Sz == 0 ? __s1 : (char_type*)memmove(__s1, __s2, _Sz * sizeof(char_type))); }
169
170 static char_type* _STLP_CALL copy(char_type* __s1, const char_type* __s2, size_t __n) {
171 return (__n == 0 ? __s1 :
172 (char_type*)memcpy(__s1, __s2, __n * sizeof(char_type)));
173 }
174
176 for (size_t __i = 0; __i < __n; ++__i)
177 __s[__i] = __c;
178 return __s;
179 }
180
182 { return !eq_int_type(__c, eof()) ? __c : __STATIC_CAST(int_type, 0); }
183
185 { return (char_type)__c; }
186
188 { return (int_type)__c; }
189
190 static bool _STLP_CALL eq_int_type(const int_type& __c1, const int_type& __c2)
191 { return __c1 == __c2; }
192
194 { return (int_type)-1; }
195};
196
197// Generic char_traits class. Note that this class is provided only
198// as a base for explicit specialization; it is unlikely to be useful
199// as is for any particular user-defined type. In particular, it
200// *will not work* for a non-POD type.
201
202template <class _CharT>
204 : public __char_traits_base<_CharT, _CharT> {};
205
206// Specialization for char.
207
210 : public __char_traits_base<char, int>,
211 public __stlport_class<char_traits<char> > {
212public:
213 typedef char char_type;
214 typedef int int_type;
218
219 static char _STLP_CALL to_char_type(const int& __c)
220 { return (char)(unsigned char)__c; }
221
222 static int _STLP_CALL to_int_type(const char& __c)
223 { return (unsigned char)__c; }
224
225 static int _STLP_CALL compare(const char* __s1, const char* __s2, size_t __n)
226 { return memcmp(__s1, __s2, __n); }
227
228 static size_t _STLP_CALL length(const char* __s)
229 { return strlen(__s); }
230
231 static void _STLP_CALL assign(char& __c1, const char& __c2)
232 { __c1 = __c2; }
233
234 static char* _STLP_CALL assign(char* __s, size_t __n, char __c) {
235 memset(__s, __c, __n);
236 return __s;
237 }
238};
239
240#if defined (_STLP_HAS_WCHAR_T)
241// Specialization for wchar_t.
244 : public __char_traits_base<wchar_t, wint_t> {
245# if !defined (_STLP_NO_NATIVE_WIDE_FUNCTIONS) && !defined (_STLP_WCHAR_HPACC_EXCLUDE)
246public:
247# if !defined (__BORLANDC__)
248 static wchar_t* _STLP_CALL move(wchar_t* __dest, const wchar_t* __src, size_t __n)
249 { return wmemmove(__dest, __src, __n); }
250# endif
251
252 static wchar_t* _STLP_CALL copy(wchar_t* __dest, const wchar_t* __src, size_t __n)
253 { return wmemcpy(__dest, __src, __n); }
254
255# if !defined (__DMC__) && !defined (__BORLANDC__)
256 static int _STLP_CALL compare(const wchar_t* __s1, const wchar_t* __s2, size_t __n)
257 { return wmemcmp(__s1, __s2, __n); }
258# endif
259
260 static wchar_t* _STLP_CALL assign(wchar_t* __s, size_t __n, wchar_t __c)
261 { return wmemset(__s, __c, __n); }
262
263 static size_t _STLP_CALL length(const wchar_t* __s)
264 { return wcslen(__s); }
265
266 static void _STLP_CALL assign(wchar_t& __c1, const wchar_t& __c2)
267 { __c1 = __c2; }
268# endif
269};
270#endif
271
273
274#endif /* _STLP_CHAR_TRAITS_H */
275
276// Local Variables:
277// mode:C++
278// End:
#define compare
return __n
Definition: _algo.h:75
#define _STLP_LONG_LONG
Definition: _apcc.h:12
#define _STLP_CALL
Definition: _bc.h:131
#define _STLP_DEFAULT_CONSTRUCTED(_TTp)
Definition: _construct.h:265
int memcmp(void *Buffer1, void *Buffer2, ACPI_SIZE Count)
Definition: utclib.c:112
ACPI_SIZE strlen(const char *String)
Definition: utclib.c:269
#define _STLP_NULL_CHAR_INIT(_ChT)
Definition: char_traits.h:55
off_t streamoff
Definition: char_traits.h:74
fpos< mbstate_t > streampos
Definition: char_traits.h:127
fpos< mbstate_t > wstreampos
Definition: char_traits.h:128
ptrdiff_t streamsize
Definition: char_traits.h:81
static char_type *_STLP_CALL copy(char_type *__s1, const char_type *__s2, size_t __n)
Definition: char_traits.h:170
static int _STLP_CALL compare(const char_type *__s1, const char_type *__s2, size_t __n)
Definition: char_traits.h:146
static bool _STLP_CALL lt(const char_type &__c1, const char_type &__c2)
Definition: char_traits.h:143
streamoff off_type
Definition: char_traits.h:136
static int_type _STLP_CALL not_eof(const int_type &__c)
Definition: char_traits.h:181
static bool _STLP_CALL eq_int_type(const int_type &__c1, const int_type &__c2)
Definition: char_traits.h:190
streampos pos_type
Definition: char_traits.h:137
static const char_type *_STLP_CALL find(const char_type *__s, size_t __n, const char_type &__c)
Definition: char_traits.h:160
static size_t _STLP_CALL length(const char_type *__s)
Definition: char_traits.h:153
mbstate_t state_type
Definition: char_traits.h:138
static int_type _STLP_CALL to_int_type(const char_type &__c)
Definition: char_traits.h:187
static void _STLP_CALL assign(char_type &__c1, const char_type &__c2)
Definition: char_traits.h:140
static char_type *_STLP_CALL move(char_type *__s1, const char_type *__s2, size_t _Sz)
Definition: char_traits.h:167
static bool _STLP_CALL eq(const char_type &__c1, const char_type &__c2)
Definition: char_traits.h:141
static char_type *_STLP_CALL assign(char_type *__s, size_t __n, char_type __c)
Definition: char_traits.h:175
static char_type _STLP_CALL to_char_type(const int_type &__c)
Definition: char_traits.h:184
static int_type _STLP_CALL eof()
Definition: char_traits.h:193
static size_t _STLP_CALL length(const char *__s)
Definition: char_traits.h:228
static char _STLP_CALL to_char_type(const int &__c)
Definition: char_traits.h:219
static int _STLP_CALL to_int_type(const char &__c)
Definition: char_traits.h:222
mbstate_t state_type
Definition: char_traits.h:217
static char *_STLP_CALL assign(char *__s, size_t __n, char __c)
Definition: char_traits.h:234
static void _STLP_CALL assign(char &__c1, const char &__c2)
Definition: char_traits.h:231
static int _STLP_CALL compare(const char *__s1, const char *__s2, size_t __n)
Definition: char_traits.h:225
fpos & operator+=(streamoff __off)
Definition: char_traits.h:99
fpos operator+(streamoff __off)
Definition: char_traits.h:108
_StateT _M_st
Definition: char_traits.h:124
void state(_StateT __st)
Definition: char_traits.h:121
bool operator!=(const fpos &__y) const
Definition: char_traits.h:96
fpos(streamoff __pos)
Definition: char_traits.h:89
bool operator==(const fpos &__y) const
Definition: char_traits.h:94
_StateT state() const
Definition: char_traits.h:120
streamoff _M_pos
Definition: char_traits.h:123
fpos operator-(streamoff __off)
Definition: char_traits.h:113
fpos()
Definition: char_traits.h:90
fpos & operator-=(streamoff __off)
Definition: char_traits.h:103
unsigned short wchar_t
Definition: crtdefs.h:345
unsigned char
Definition: typeof.h:29
__kernel_off_t off_t
Definition: linux.h:201
__kernel_ptrdiff_t ptrdiff_t
Definition: linux.h:247
#define _STLP_TEMPLATE_NULL
Definition: features.h:652
#define __STATIC_CAST(__x, __y)
Definition: features.h:585
#define _STLP_CLASS_DECLSPEC
Definition: features.h:983
#define _STLP_BEGIN_NAMESPACE
Definition: features.h:501
#define _STLP_END_NAMESPACE
Definition: features.h:503
GLuint GLsizei GLsizei * length
Definition: glext.h:6040
__MINGW_EXTENSION typedef long long off64_t
Definition: stdio.h:84
_CRTIMP size_t __cdecl wcslen(_In_z_ const wchar_t *_Str)
wchar_t *__cdecl wmemmove(_Out_writes_all_opt_(_N) wchar_t *_S1, _In_reads_opt_(_N) const wchar_t *_S2, _In_ size_t _N)
Definition: wchar.h:2600
wchar_t *__cdecl wmemset(_Out_writes_all_(_N) wchar_t *_S, _In_ wchar_t _C, _In_ size_t _N)
Definition: wchar.h:2611
int __cdecl wmemcmp(_In_reads_(_N) const wchar_t *_S1, _In_reads_(_N) const wchar_t *_S2, _In_ size_t _N)
Definition: wchar.h:2569
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
#define memmove(s1, s2, n)
Definition: mkisofs.h:881
#define eq(received, expected, label, type)
Definition: locale.c:144
#define __c
Definition: schilyio.h:209
#define memset(x, y, z)
Definition: compat.h:39