ReactOS  0.4.14-dev-358-gbef841c
message_facets.h
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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 #ifndef MESSAGE_FACETS_H
19 #define MESSAGE_FACETS_H
20 
21 #include <string>
22 #include <locale>
23 #include <hash_map>
24 
25 #include "c_locale.h"
26 
29 
30 // Class _Catalog_locale_map. The reason for this is that, internally,
31 // a message string is always a char*. We need a ctype facet to convert
32 // a string to and from wchar_t, and the user is permitted to provide such
33 // a facet when calling open().
34 
37  ~_Catalog_locale_map() { if (M) delete M; }
38 
39  void insert(nl_catd_type key, const locale& L);
41  void erase(nl_catd_type key);
42 
46 
47 private: // Invalidate copy constructor and assignment
49  void operator=(const _Catalog_locale_map&);
50 };
51 
52 /*
53  * In glibc nl_catd type is void *, but messages_base::catalog is defined as int
54  * by ISO/IEC 14882; The int may be too short to store pointer on 64-bit platforms;
55  * Another problem, is that do_open() may return negative value to indicate that no
56  * catalog open---this case can't be represented with pointers.
57  * The class _Catalog_nl_catd_map intended to make relation between
58  * messages_base::catalog and nl_catd handler.
59  *
60  */
61 
62 #if defined (_STLP_USE_GLIBC2_LOCALIZATION)
63 # define _STLP_USE_NL_CATD_MAPPING
64 #else
65 /* If no mapping a message_base::catalog entry, int typedef according C++ Standard 22.2.7.1,
66  * has to be large enough to contain a nl_catd_type value.
67  */
68 _STLP_STATIC_ASSERT(sizeof(nl_catd_type) <= sizeof(int))
69 #endif
70 
71 class _STLP_CLASS_DECLSPEC _Catalog_nl_catd_map {
72 public:
73  _Catalog_nl_catd_map()
74  {}
75  ~_Catalog_nl_catd_map()
76  {}
77 
82  // typedef map<messages_base::catalog,nl_catd_type> map_type;
83  // typedef map<nl_catd_type,messages_base::catalog> rmap_type;
84 
86 #if !defined (_STLP_USE_NL_CATD_MAPPING)
87  { return (messages_base::catalog)cat; }
88 #else
89  ;
90 #endif
91 
92  void erase(messages_base::catalog)
93 #if !defined (_STLP_USE_NL_CATD_MAPPING)
94  {}
95 #else
96  ;
97 #endif
98 
99  nl_catd_type operator [] ( messages_base::catalog cat )
100 #if !defined (_STLP_USE_NL_CATD_MAPPING)
101  { return cat; }
102 #else
103  { return cat < 0 ? 0 : M[cat]; }
104 #endif
105 
106 private:
107  _Catalog_nl_catd_map(const _Catalog_nl_catd_map&);
108  _Catalog_nl_catd_map& operator =(const _Catalog_nl_catd_map&);
109 
110 #if defined (_STLP_USE_NL_CATD_MAPPING)
111  map_type M;
112  rmap_type Mr;
113  static _STLP_VOLATILE __stl_atomic_t _count;
114 #endif
115 };
116 
117 class _Messages {
118 public:
120 
121  _Messages(bool, const char *name);
122  _Messages(bool, _Locale_messages*);
123 
124  catalog do_open(const string& __fn, const locale& __loc) const;
125  string do_get(catalog __c, int __set, int __msgid,
126  const string& __dfault) const;
127 #if !defined (_STLP_NO_WCHAR_T)
128  wstring do_get(catalog __c, int __set, int __msgid,
129  const wstring& __dfault) const;
130 #endif
131  void do_close(catalog __c) const;
132  ~_Messages();
133 
134 private:
135  _Locale_messages* _M_message_obj;
137  mutable _Catalog_nl_catd_map _M_cat;
138 
139  //private definition to avoid warning (with ICL)
140  _Messages(const _Messages&);
141  _Messages& operator=(const _Messages&);
142 };
143 
145 
147 
148 #endif
149 
150 // Local Variables:
151 // mode:C++
152 // End:
void do_close(catalog __c) const
Definition: messages.cpp:177
hash_map< nl_catd_type, locale, hash< nl_catd_type >, equal_to< nl_catd_type >, allocator< pair< _STLP_CONST nl_catd_type, locale > > > map_type
void insert(nl_catd_type key, const locale &L)
Definition: messages.cpp:29
#define M(row, col)
int nl_catd_type
Definition: c_locale.h:39
static int insert
Definition: xmllint.c:144
#define __c
Definition: schilyio.h:209
locale lookup(nl_catd_type key) const
Definition: messages.cpp:59
#define _STLP_VOLATILE
Definition: features.h:277
#define _STLP_MOVE_TO_PRIV_NAMESPACE
Definition: features.h:524
Definition: _locale.h:75
_Catalog_nl_catd_map _M_cat
messages_base::catalog catalog
void erase(nl_catd_type key)
Definition: messages.cpp:54
#define _STLP_MOVE_TO_STD_NAMESPACE
Definition: features.h:525
_Catalog_locale_map * _M_map
_STLP_STATIC_ASSERT(sizeof(nl_catd_type)<=sizeof(int)) class _STLP_CLASS_DECLSPEC _Catalog_nl_catd_map
static VARTYPE map_type(struct string_t *str)
static const WCHAR L[]
Definition: oid.c:1250
catalog do_open(const string &__fn, const locale &__loc) const
Definition: messages.cpp:124
#define _STLP_CLASS_DECLSPEC
Definition: features.h:983
_Messages & operator=(const _Messages &)
#define _STLP_END_NAMESPACE
Definition: features.h:503
void operator=(const _Catalog_locale_map &)
Definition: name.c:36
string do_get(catalog __c, int __set, int __msgid, const string &__dfault) const
Definition: messages.cpp:138
#define _STLP_BEGIN_NAMESPACE
Definition: features.h:501
_Locale_messages * _M_message_obj
size_t __stl_atomic_t
Definition: _threads.h:232
_Messages(bool, const char *name)
Definition: messages.cpp:100
Definition: path.c:42