build/stlport/src/message_facets.h

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /*
michael@0 2 * Copyright (c) 1999
michael@0 3 * Silicon Graphics Computer Systems, Inc.
michael@0 4 *
michael@0 5 * Copyright (c) 1999
michael@0 6 * Boris Fomitchev
michael@0 7 *
michael@0 8 * This material is provided "as is", with absolutely no warranty expressed
michael@0 9 * or implied. Any use is at your own risk.
michael@0 10 *
michael@0 11 * Permission to use or copy this software for any purpose is hereby granted
michael@0 12 * without fee, provided the above notices are retained on all copies.
michael@0 13 * Permission to modify the code and to distribute modified code is granted,
michael@0 14 * provided the above notices are retained, and a notice that the code was
michael@0 15 * modified is included with the above copyright notice.
michael@0 16 *
michael@0 17 */
michael@0 18 #ifndef MESSAGE_FACETS_H
michael@0 19 #define MESSAGE_FACETS_H
michael@0 20
michael@0 21 #include <string>
michael@0 22 #include <locale>
michael@0 23 #include <hash_map>
michael@0 24
michael@0 25 #include "c_locale.h"
michael@0 26
michael@0 27 _STLP_BEGIN_NAMESPACE
michael@0 28 _STLP_MOVE_TO_PRIV_NAMESPACE
michael@0 29
michael@0 30 // Class _Catalog_locale_map. The reason for this is that, internally,
michael@0 31 // a message string is always a char*. We need a ctype facet to convert
michael@0 32 // a string to and from wchar_t, and the user is permitted to provide such
michael@0 33 // a facet when calling open().
michael@0 34
michael@0 35 struct _Catalog_locale_map {
michael@0 36 _Catalog_locale_map() : M(0) {}
michael@0 37 ~_Catalog_locale_map() { if (M) delete M; }
michael@0 38
michael@0 39 void insert(nl_catd_type key, const locale& L);
michael@0 40 locale lookup(nl_catd_type key) const;
michael@0 41 void erase(nl_catd_type key);
michael@0 42
michael@0 43 typedef hash_map<nl_catd_type, locale, hash<nl_catd_type>, equal_to<nl_catd_type>,
michael@0 44 allocator<pair<_STLP_CONST nl_catd_type, locale> > > map_type;
michael@0 45 map_type *M;
michael@0 46
michael@0 47 private: // Invalidate copy constructor and assignment
michael@0 48 _Catalog_locale_map(const _Catalog_locale_map&);
michael@0 49 void operator=(const _Catalog_locale_map&);
michael@0 50 };
michael@0 51
michael@0 52 /*
michael@0 53 * In glibc nl_catd type is void *, but messages_base::catalog is defined as int
michael@0 54 * by ISO/IEC 14882; The int may be too short to store pointer on 64-bit platforms;
michael@0 55 * Another problem, is that do_open() may return negative value to indicate that no
michael@0 56 * catalog open---this case can't be represented with pointers.
michael@0 57 * The class _Catalog_nl_catd_map intended to make relation between
michael@0 58 * messages_base::catalog and nl_catd handler.
michael@0 59 *
michael@0 60 */
michael@0 61
michael@0 62 #if defined (_STLP_USE_GLIBC2_LOCALIZATION)
michael@0 63 # define _STLP_USE_NL_CATD_MAPPING
michael@0 64 #else
michael@0 65 /* If no mapping a message_base::catalog entry, int typedef according C++ Standard 22.2.7.1,
michael@0 66 * has to be large enough to contain a nl_catd_type value.
michael@0 67 */
michael@0 68 _STLP_STATIC_ASSERT(sizeof(nl_catd_type) <= sizeof(int))
michael@0 69 #endif
michael@0 70
michael@0 71 class _STLP_CLASS_DECLSPEC _Catalog_nl_catd_map {
michael@0 72 public:
michael@0 73 _Catalog_nl_catd_map()
michael@0 74 {}
michael@0 75 ~_Catalog_nl_catd_map()
michael@0 76 {}
michael@0 77
michael@0 78 typedef hash_map<messages_base::catalog, nl_catd_type, hash<messages_base::catalog>, equal_to<messages_base::catalog>,
michael@0 79 allocator<pair<_STLP_CONST messages_base::catalog, nl_catd_type> > > map_type;
michael@0 80 typedef hash_map<nl_catd_type, messages_base::catalog, hash<nl_catd_type>, equal_to<nl_catd_type>,
michael@0 81 allocator<pair<_STLP_CONST nl_catd_type, messages_base::catalog> > > rmap_type;
michael@0 82 // typedef map<messages_base::catalog,nl_catd_type> map_type;
michael@0 83 // typedef map<nl_catd_type,messages_base::catalog> rmap_type;
michael@0 84
michael@0 85 messages_base::catalog insert(nl_catd_type cat)
michael@0 86 #if !defined (_STLP_USE_NL_CATD_MAPPING)
michael@0 87 { return (messages_base::catalog)cat; }
michael@0 88 #else
michael@0 89 ;
michael@0 90 #endif
michael@0 91
michael@0 92 void erase(messages_base::catalog)
michael@0 93 #if !defined (_STLP_USE_NL_CATD_MAPPING)
michael@0 94 {}
michael@0 95 #else
michael@0 96 ;
michael@0 97 #endif
michael@0 98
michael@0 99 nl_catd_type operator [] ( messages_base::catalog cat )
michael@0 100 #if !defined (_STLP_USE_NL_CATD_MAPPING)
michael@0 101 { return cat; }
michael@0 102 #else
michael@0 103 { return cat < 0 ? 0 : M[cat]; }
michael@0 104 #endif
michael@0 105
michael@0 106 private:
michael@0 107 _Catalog_nl_catd_map(const _Catalog_nl_catd_map&);
michael@0 108 _Catalog_nl_catd_map& operator =(const _Catalog_nl_catd_map&);
michael@0 109
michael@0 110 #if defined (_STLP_USE_NL_CATD_MAPPING)
michael@0 111 map_type M;
michael@0 112 rmap_type Mr;
michael@0 113 static _STLP_VOLATILE __stl_atomic_t _count;
michael@0 114 #endif
michael@0 115 };
michael@0 116
michael@0 117 class _Messages {
michael@0 118 public:
michael@0 119 typedef messages_base::catalog catalog;
michael@0 120
michael@0 121 _Messages(bool, const char *name);
michael@0 122 _Messages(bool, _Locale_messages*);
michael@0 123
michael@0 124 catalog do_open(const string& __fn, const locale& __loc) const;
michael@0 125 string do_get(catalog __c, int __set, int __msgid,
michael@0 126 const string& __dfault) const;
michael@0 127 #if !defined (_STLP_NO_WCHAR_T)
michael@0 128 wstring do_get(catalog __c, int __set, int __msgid,
michael@0 129 const wstring& __dfault) const;
michael@0 130 #endif
michael@0 131 void do_close(catalog __c) const;
michael@0 132 ~_Messages();
michael@0 133
michael@0 134 private:
michael@0 135 _Locale_messages* _M_message_obj;
michael@0 136 _Catalog_locale_map* _M_map;
michael@0 137 mutable _Catalog_nl_catd_map _M_cat;
michael@0 138
michael@0 139 //private definition to avoid warning (with ICL)
michael@0 140 _Messages(const _Messages&);
michael@0 141 _Messages& operator=(const _Messages&);
michael@0 142 };
michael@0 143
michael@0 144 _STLP_MOVE_TO_STD_NAMESPACE
michael@0 145
michael@0 146 _STLP_END_NAMESPACE
michael@0 147
michael@0 148 #endif
michael@0 149
michael@0 150 // Local Variables:
michael@0 151 // mode:C++
michael@0 152 // End:

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