1 /*
2 * Copyright (c) 1999
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 // WARNING: This is an internal header file, included by other C++
19 // standard library headers. You should not attempt to use this header
20 // file directly.
21
22 #ifndef _STLP_INTERNAL_COLLATE_H
23 #define _STLP_INTERNAL_COLLATE_H
24
25 #ifndef _STLP_C_LOCALE_H
26 # include <stl/c_locale.h>
27 #endif
28
29 #ifndef _STLP_INTERNAL_LOCALE_H
30 # include <stl/_locale.h>
31 #endif
32
33 #ifndef _STLP_INTERNAL_STRING_H
34 # include <stl/_string.h>
35 #endif
36
37 _STLP_BEGIN_NAMESPACE
38
39 template <class _CharT> class collate {};
40 template <class _CharT> class collate_byname {};
41
42 _STLP_TEMPLATE_NULL
43 class _STLP_CLASS_DECLSPEC collate<char> : public locale::facet {
44 public:
45 typedef char char_type;
46 typedef string string_type;
47
facet(__refs)48 explicit collate(size_t __refs = 0) : locale::facet(__refs) {}
49
compare(const char * __low1,const char * __high1,const char * __low2,const char * __high2)50 int compare(const char* __low1, const char* __high1,
51 const char* __low2, const char* __high2) const {
52 return do_compare( __low1, __high1, __low2, __high2);
53 }
54
transform(const char * __low,const char * __high)55 string_type transform(const char* __low, const char* __high) const {
56 return do_transform(__low, __high);
57 }
58
hash(const char * __low,const char * __high)59 long hash(const char* __low, const char* __high) const
60 { return do_hash(__low, __high); }
61
62 static _STLP_STATIC_DECLSPEC locale::id id;
63
64 protected:
65 ~collate();
66
67 virtual int do_compare(const char*, const char*,
68 const char*, const char*) const;
69 virtual string_type do_transform(const char*, const char*) const;
70 virtual long do_hash(const char*, const char*) const;
71 private:
72 collate(const collate<char>&);
73 collate<char>& operator =(const collate<char>&);
74 };
75
76 # ifndef _STLP_NO_WCHAR_T
77
78 _STLP_TEMPLATE_NULL
79 class _STLP_CLASS_DECLSPEC collate<wchar_t> : public locale::facet {
80 public:
81 typedef wchar_t char_type;
82 typedef wstring string_type;
83
facet(__refs)84 explicit collate(size_t __refs = 0) : locale::facet(__refs) {}
85
compare(const wchar_t * __low1,const wchar_t * __high1,const wchar_t * __low2,const wchar_t * __high2)86 int compare(const wchar_t* __low1, const wchar_t* __high1,
87 const wchar_t* __low2, const wchar_t* __high2) const {
88 return do_compare( __low1, __high1, __low2, __high2);
89 }
90
transform(const wchar_t * __low,const wchar_t * __high)91 string_type transform(const wchar_t* __low, const wchar_t* __high) const {
92 return do_transform(__low, __high);
93 }
94
hash(const wchar_t * __low,const wchar_t * __high)95 long hash(const wchar_t* __low, const wchar_t* __high) const
96 { return do_hash(__low, __high); }
97
98 static _STLP_STATIC_DECLSPEC locale::id id;
99
100 protected:
101 ~collate();
102
103 virtual int do_compare(const wchar_t*, const wchar_t*,
104 const wchar_t*, const wchar_t*) const;
105 virtual string_type do_transform(const wchar_t*, const wchar_t*) const;
106 virtual long do_hash(const wchar_t* __low, const wchar_t* __high) const;
107 private:
108 collate(const collate<wchar_t>&);
109 collate<wchar_t>& operator = (const collate<wchar_t>&);
110 };
111
112 # endif /* NO_WCHAR_T */
113
114 _STLP_TEMPLATE_NULL
115 class _STLP_CLASS_DECLSPEC collate_byname<char>: public collate<char> {
116 friend class _Locale_impl;
117 public:
118 explicit collate_byname(const char* __name, size_t __refs = 0);
119
120 protected:
121 ~collate_byname();
122
123 virtual int do_compare(const char*, const char*,
124 const char*, const char*) const;
125 virtual string_type do_transform(const char*, const char*) const;
126
127 private:
collate_byname(_Locale_collate * __coll)128 collate_byname(_Locale_collate *__coll)
129 : _M_collate(__coll) {}
130 _Locale_collate* _M_collate;
131 collate_byname(const collate_byname<char>&);
132 collate_byname<char>& operator =(const collate_byname<char>&);
133 };
134
135 # ifndef _STLP_NO_WCHAR_T
136
137 _STLP_TEMPLATE_NULL
138 class _STLP_CLASS_DECLSPEC collate_byname<wchar_t>: public collate<wchar_t> {
139 friend class _Locale_impl;
140 public:
141 explicit collate_byname(const char * __name, size_t __refs = 0);
142
143 protected:
144 ~collate_byname();
145
146 virtual int do_compare(const wchar_t*, const wchar_t*,
147 const wchar_t*, const wchar_t*) const;
148 virtual string_type do_transform(const wchar_t*, const wchar_t*) const;
149
150 private:
collate_byname(_Locale_collate * __coll)151 collate_byname(_Locale_collate *__coll)
152 : _M_collate(__coll) {}
153 _Locale_collate* _M_collate;
154 collate_byname(const collate_byname<wchar_t>&);
155 collate_byname<wchar_t>& operator =(const collate_byname<wchar_t>&);
156 };
157
158 # endif /* NO_WCHAR_T */
159
160 template <class _CharT, class _Traits, class _Alloc>
161 bool
__locale_do_operator_call(const locale & __loc,const basic_string<_CharT,_Traits,_Alloc> & __x,const basic_string<_CharT,_Traits,_Alloc> & __y)162 __locale_do_operator_call (const locale& __loc,
163 const basic_string<_CharT, _Traits, _Alloc>& __x,
164 const basic_string<_CharT, _Traits, _Alloc>& __y) {
165 collate<_CharT> const& __coll = use_facet<collate<_CharT> >(__loc);
166 return __coll.compare(__x.data(), __x.data() + __x.size(),
167 __y.data(), __y.data() + __y.size()) < 0;
168 }
169
170 _STLP_END_NAMESPACE
171
172 #endif /* _STLP_INTERNAL_COLLATE_H */
173
174 // Local Variables:
175 // mode:C++
176 // End:
177