1 /*
2  *
3  * Copyright (c) 2004
4  * John Maddock
5  *
6  * Use, modification and distribution are subject to the
7  * Boost Software License, Version 1.0. (See accompanying file
8  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
9  *
10  */
11 
12  /*
13   *   LOCATION:    see http://www.boost.org for most recent version.
14   *   FILE         w32_regex_traits.hpp
15   *   VERSION      see <boost/version.hpp>
16   *   DESCRIPTION: Declares regular expression traits class w32_regex_traits.
17   */
18 
19 #ifndef BOOST_W32_REGEX_TRAITS_HPP_INCLUDED
20 #define BOOST_W32_REGEX_TRAITS_HPP_INCLUDED
21 
22 #ifndef BOOST_REGEX_NO_WIN32_LOCALE
23 
24 #ifndef BOOST_RE_PAT_EXCEPT_HPP
25 #include <boost/regex/pattern_except.hpp>
26 #endif
27 #ifndef BOOST_REGEX_TRAITS_DEFAULTS_HPP_INCLUDED
28 #include <boost/regex/v4/regex_traits_defaults.hpp>
29 #endif
30 #ifdef BOOST_HAS_THREADS
31 #include <boost/regex/pending/static_mutex.hpp>
32 #endif
33 #ifndef BOOST_REGEX_PRIMARY_TRANSFORM
34 #include <boost/regex/v4/primary_transform.hpp>
35 #endif
36 #ifndef BOOST_REGEX_OBJECT_CACHE_HPP
37 #include <boost/regex/pending/object_cache.hpp>
38 #endif
39 
40 #ifdef BOOST_MSVC
41 #pragma warning(push)
42 #pragma warning(disable: 4103)
43 #endif
44 #ifdef BOOST_HAS_ABI_HEADERS
45 #  include BOOST_ABI_PREFIX
46 #endif
47 #ifdef BOOST_MSVC
48 #pragma warning(pop)
49 #endif
50 
51 #ifdef BOOST_MSVC
52 #pragma warning(push)
53 #pragma warning(disable:4786)
54 #if BOOST_MSVC < 1910
55 #pragma warning(disable:4800)
56 #endif
57 #endif
58 
59 namespace boost{
60 
61 //
62 // forward declaration is needed by some compilers:
63 //
64 template <class charT>
65 class w32_regex_traits;
66 
67 namespace BOOST_REGEX_DETAIL_NS{
68 
69 //
70 // start by typedeffing the types we'll need:
71 //
72 typedef ::boost::uint32_t lcid_type;   // placeholder for LCID.
73 typedef ::boost::shared_ptr<void> cat_type; // placeholder for dll HANDLE.
74 
75 //
76 // then add wrappers around the actual Win32 API's (ie implementation hiding):
77 //
78 BOOST_REGEX_DECL lcid_type BOOST_REGEX_CALL w32_get_default_locale();
79 BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is_lower(char, lcid_type);
80 #ifndef BOOST_NO_WREGEX
81 BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is_lower(wchar_t, lcid_type);
82 #ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
83 BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is_lower(unsigned short ca, lcid_type state_id);
84 #endif
85 #endif
86 BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is_upper(char, lcid_type);
87 #ifndef BOOST_NO_WREGEX
88 BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is_upper(wchar_t, lcid_type);
89 #ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
90 BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is_upper(unsigned short ca, lcid_type state_id);
91 #endif
92 #endif
93 BOOST_REGEX_DECL cat_type BOOST_REGEX_CALL w32_cat_open(const std::string& name);
94 BOOST_REGEX_DECL std::string BOOST_REGEX_CALL w32_cat_get(const cat_type& cat, lcid_type state_id, int i, const std::string& def);
95 #ifndef BOOST_NO_WREGEX
96 BOOST_REGEX_DECL std::wstring BOOST_REGEX_CALL w32_cat_get(const cat_type& cat, lcid_type state_id, int i, const std::wstring& def);
97 #ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
98 BOOST_REGEX_DECL std::basic_string<unsigned short> BOOST_REGEX_CALL w32_cat_get(const cat_type& cat, lcid_type, int i, const std::basic_string<unsigned short>& def);
99 #endif
100 #endif
101 BOOST_REGEX_DECL std::string BOOST_REGEX_CALL w32_transform(lcid_type state_id, const char* p1, const char* p2);
102 #ifndef BOOST_NO_WREGEX
103 BOOST_REGEX_DECL std::wstring BOOST_REGEX_CALL w32_transform(lcid_type state_id, const wchar_t* p1, const wchar_t* p2);
104 #ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
105 BOOST_REGEX_DECL std::basic_string<unsigned short> BOOST_REGEX_CALL w32_transform(lcid_type state_id, const unsigned short* p1, const unsigned short* p2);
106 #endif
107 #endif
108 BOOST_REGEX_DECL char BOOST_REGEX_CALL w32_tolower(char c, lcid_type);
109 #ifndef BOOST_NO_WREGEX
110 BOOST_REGEX_DECL wchar_t BOOST_REGEX_CALL w32_tolower(wchar_t c, lcid_type);
111 #ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
112 BOOST_REGEX_DECL unsigned short BOOST_REGEX_CALL w32_tolower(unsigned short c, lcid_type state_id);
113 #endif
114 #endif
115 BOOST_REGEX_DECL char BOOST_REGEX_CALL w32_toupper(char c, lcid_type);
116 #ifndef BOOST_NO_WREGEX
117 BOOST_REGEX_DECL wchar_t BOOST_REGEX_CALL w32_toupper(wchar_t c, lcid_type);
118 #endif
119 BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is(lcid_type, boost::uint32_t mask, char c);
120 #ifndef BOOST_NO_WREGEX
121 BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is(lcid_type, boost::uint32_t mask, wchar_t c);
122 #ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
123 BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is(lcid_type state_id, boost::uint32_t m, unsigned short c);
124 #endif
125 #endif
126 //
127 // class w32_regex_traits_base:
128 // acts as a container for locale and the facets we are using.
129 //
130 template <class charT>
131 struct w32_regex_traits_base
132 {
w32_regex_traits_baseboost::BOOST_REGEX_DETAIL_NS::w32_regex_traits_base133    w32_regex_traits_base(lcid_type l)
134    { imbue(l); }
135    lcid_type imbue(lcid_type l);
136 
137    lcid_type m_locale;
138 };
139 
140 template <class charT>
imbue(lcid_type l)141 inline lcid_type w32_regex_traits_base<charT>::imbue(lcid_type l)
142 {
143    lcid_type result(m_locale);
144    m_locale = l;
145    return result;
146 }
147 
148 //
149 // class w32_regex_traits_char_layer:
150 // implements methods that require specialisation for narrow characters:
151 //
152 template <class charT>
153 class w32_regex_traits_char_layer : public w32_regex_traits_base<charT>
154 {
155    typedef std::basic_string<charT> string_type;
156    typedef std::map<charT, regex_constants::syntax_type> map_type;
157    typedef typename map_type::const_iterator map_iterator_type;
158 public:
159    w32_regex_traits_char_layer(const lcid_type l);
160 
syntax_type(charT c) const161    regex_constants::syntax_type syntax_type(charT c)const
162    {
163       map_iterator_type i = m_char_map.find(c);
164       return ((i == m_char_map.end()) ? 0 : i->second);
165    }
escape_syntax_type(charT c) const166    regex_constants::escape_syntax_type escape_syntax_type(charT c) const
167    {
168       map_iterator_type i = m_char_map.find(c);
169       if(i == m_char_map.end())
170       {
171          if(::boost::BOOST_REGEX_DETAIL_NS::w32_is_lower(c, this->m_locale)) return regex_constants::escape_type_class;
172          if(::boost::BOOST_REGEX_DETAIL_NS::w32_is_upper(c, this->m_locale)) return regex_constants::escape_type_not_class;
173          return 0;
174       }
175       return i->second;
176    }
tolower(charT c) const177    charT tolower(charT c)const
178    {
179       return ::boost::BOOST_REGEX_DETAIL_NS::w32_tolower(c, this->m_locale);
180    }
isctype(boost::uint32_t mask,charT c) const181    bool isctype(boost::uint32_t mask, charT c)const
182    {
183       return ::boost::BOOST_REGEX_DETAIL_NS::w32_is(this->m_locale, mask, c);
184    }
185 
186 private:
187    string_type get_default_message(regex_constants::syntax_type);
188    // TODO: use a hash table when available!
189    map_type m_char_map;
190 };
191 
192 template <class charT>
w32_regex_traits_char_layer(::boost::BOOST_REGEX_DETAIL_NS::lcid_type l)193 w32_regex_traits_char_layer<charT>::w32_regex_traits_char_layer(::boost::BOOST_REGEX_DETAIL_NS::lcid_type l)
194    : w32_regex_traits_base<charT>(l)
195 {
196    // we need to start by initialising our syntax map so we know which
197    // character is used for which purpose:
198    cat_type cat;
199    std::string cat_name(w32_regex_traits<charT>::get_catalog_name());
200    if(cat_name.size())
201    {
202       cat = ::boost::BOOST_REGEX_DETAIL_NS::w32_cat_open(cat_name);
203       if(!cat)
204       {
205          std::string m("Unable to open message catalog: ");
206          std::runtime_error err(m + cat_name);
207          boost::BOOST_REGEX_DETAIL_NS::raise_runtime_error(err);
208       }
209    }
210    //
211    // if we have a valid catalog then load our messages:
212    //
213    if(cat)
214    {
215       for(regex_constants::syntax_type i = 1; i < regex_constants::syntax_max; ++i)
216       {
217          string_type mss = ::boost::BOOST_REGEX_DETAIL_NS::w32_cat_get(cat, this->m_locale, i, get_default_message(i));
218          for(typename string_type::size_type j = 0; j < mss.size(); ++j)
219          {
220             this->m_char_map[mss[j]] = i;
221          }
222       }
223    }
224    else
225    {
226       for(regex_constants::syntax_type i = 1; i < regex_constants::syntax_max; ++i)
227       {
228          const char* ptr = get_default_syntax(i);
229          while(ptr && *ptr)
230          {
231             this->m_char_map[static_cast<charT>(*ptr)] = i;
232             ++ptr;
233          }
234       }
235    }
236 }
237 
238 template <class charT>
239 typename w32_regex_traits_char_layer<charT>::string_type
get_default_message(regex_constants::syntax_type i)240    w32_regex_traits_char_layer<charT>::get_default_message(regex_constants::syntax_type i)
241 {
242    const char* ptr = get_default_syntax(i);
243    string_type result;
244    while(ptr && *ptr)
245    {
246       result.append(1, static_cast<charT>(*ptr));
247       ++ptr;
248    }
249    return result;
250 }
251 
252 //
253 // specialised version for narrow characters:
254 //
255 template <>
256 class BOOST_REGEX_DECL w32_regex_traits_char_layer<char> : public w32_regex_traits_base<char>
257 {
258    typedef std::string string_type;
259 public:
w32_regex_traits_char_layer(::boost::BOOST_REGEX_DETAIL_NS::lcid_type l)260    w32_regex_traits_char_layer(::boost::BOOST_REGEX_DETAIL_NS::lcid_type l)
261    : w32_regex_traits_base<char>(l)
262    {
263       init();
264    }
265 
syntax_type(char c) const266    regex_constants::syntax_type syntax_type(char c)const
267    {
268       return m_char_map[static_cast<unsigned char>(c)];
269    }
escape_syntax_type(char c) const270    regex_constants::escape_syntax_type escape_syntax_type(char c) const
271    {
272       return m_char_map[static_cast<unsigned char>(c)];
273    }
tolower(char c) const274    char tolower(char c)const
275    {
276       return m_lower_map[static_cast<unsigned char>(c)];
277    }
isctype(boost::uint32_t mask,char c) const278    bool isctype(boost::uint32_t mask, char c)const
279    {
280       return m_type_map[static_cast<unsigned char>(c)] & mask;
281    }
282 
283 private:
284    regex_constants::syntax_type m_char_map[1u << CHAR_BIT];
285    char m_lower_map[1u << CHAR_BIT];
286    boost::uint16_t m_type_map[1u << CHAR_BIT];
287    void init();
288 };
289 
290 //
291 // class w32_regex_traits_implementation:
292 // provides pimpl implementation for w32_regex_traits.
293 //
294 template <class charT>
295 class w32_regex_traits_implementation : public w32_regex_traits_char_layer<charT>
296 {
297 public:
298    typedef typename w32_regex_traits<charT>::char_class_type char_class_type;
299    BOOST_STATIC_CONSTANT(char_class_type, mask_word = 0x0400); // must be C1_DEFINED << 1
300    BOOST_STATIC_CONSTANT(char_class_type, mask_unicode = 0x0800); // must be C1_DEFINED << 2
301    BOOST_STATIC_CONSTANT(char_class_type, mask_horizontal = 0x1000); // must be C1_DEFINED << 3
302    BOOST_STATIC_CONSTANT(char_class_type, mask_vertical = 0x2000); // must be C1_DEFINED << 4
303    BOOST_STATIC_CONSTANT(char_class_type, mask_base = 0x3ff);  // all the masks used by the CT_CTYPE1 group
304 
305    typedef std::basic_string<charT> string_type;
306    typedef charT char_type;
307    w32_regex_traits_implementation(::boost::BOOST_REGEX_DETAIL_NS::lcid_type l);
error_string(regex_constants::error_type n) const308    std::string error_string(regex_constants::error_type n) const
309    {
310       if(!m_error_strings.empty())
311       {
312          std::map<int, std::string>::const_iterator p = m_error_strings.find(n);
313          return (p == m_error_strings.end()) ? std::string(get_default_error_string(n)) : p->second;
314       }
315       return get_default_error_string(n);
316    }
lookup_classname(const charT * p1,const charT * p2) const317    char_class_type lookup_classname(const charT* p1, const charT* p2) const
318    {
319       char_class_type result = lookup_classname_imp(p1, p2);
320       if(result == 0)
321       {
322          typedef typename string_type::size_type size_type;
323          string_type temp(p1, p2);
324          for(size_type i = 0; i < temp.size(); ++i)
325             temp[i] = this->tolower(temp[i]);
326          result = lookup_classname_imp(&*temp.begin(), &*temp.begin() + temp.size());
327       }
328       return result;
329    }
330    string_type lookup_collatename(const charT* p1, const charT* p2) const;
331    string_type transform_primary(const charT* p1, const charT* p2) const;
transform(const charT * p1,const charT * p2) const332    string_type transform(const charT* p1, const charT* p2) const
333    {
334       return ::boost::BOOST_REGEX_DETAIL_NS::w32_transform(this->m_locale, p1, p2);
335    }
336 private:
337    std::map<int, std::string>     m_error_strings;   // error messages indexed by numberic ID
338    std::map<string_type, char_class_type>  m_custom_class_names; // character class names
339    std::map<string_type, string_type>      m_custom_collate_names; // collating element names
340    unsigned                       m_collate_type;    // the form of the collation string
341    charT                          m_collate_delim;   // the collation group delimiter
342    //
343    // helpers:
344    //
345    char_class_type lookup_classname_imp(const charT* p1, const charT* p2) const;
346 };
347 
348 template <class charT>
349 typename w32_regex_traits_implementation<charT>::string_type
transform_primary(const charT * p1,const charT * p2) const350    w32_regex_traits_implementation<charT>::transform_primary(const charT* p1, const charT* p2) const
351 {
352    string_type result;
353    //
354    // What we do here depends upon the format of the sort key returned by
355    // sort key returned by this->transform:
356    //
357    switch(m_collate_type)
358    {
359    case sort_C:
360    case sort_unknown:
361       // the best we can do is translate to lower case, then get a regular sort key:
362       {
363          result.assign(p1, p2);
364          typedef typename string_type::size_type size_type;
365          for(size_type i = 0; i < result.size(); ++i)
366             result[i] = this->tolower(result[i]);
367          result = this->transform(&*result.begin(), &*result.begin() + result.size());
368          break;
369       }
370    case sort_fixed:
371       {
372          // get a regular sort key, and then truncate it:
373          result.assign(this->transform(p1, p2));
374          result.erase(this->m_collate_delim);
375          break;
376       }
377    case sort_delim:
378          // get a regular sort key, and then truncate everything after the delim:
379          result.assign(this->transform(p1, p2));
380          std::size_t i;
381          for(i = 0; i < result.size(); ++i)
382          {
383             if(result[i] == m_collate_delim)
384                break;
385          }
386          result.erase(i);
387          break;
388    }
389    if(result.empty())
390       result = string_type(1, charT(0));
391    return result;
392 }
393 
394 template <class charT>
395 typename w32_regex_traits_implementation<charT>::string_type
lookup_collatename(const charT * p1,const charT * p2) const396    w32_regex_traits_implementation<charT>::lookup_collatename(const charT* p1, const charT* p2) const
397 {
398    typedef typename std::map<string_type, string_type>::const_iterator iter_type;
399    if(m_custom_collate_names.size())
400    {
401       iter_type pos = m_custom_collate_names.find(string_type(p1, p2));
402       if(pos != m_custom_collate_names.end())
403          return pos->second;
404    }
405 #if !defined(BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS)\
406                && !BOOST_WORKAROUND(BOOST_BORLANDC, <= 0x0551)
407    std::string name(p1, p2);
408 #else
409    std::string name;
410    const charT* p0 = p1;
411    while(p0 != p2)
412       name.append(1, char(*p0++));
413 #endif
414    name = lookup_default_collate_name(name);
415 #if !defined(BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS)\
416                && !BOOST_WORKAROUND(BOOST_BORLANDC, <= 0x0551)
417    if(name.size())
418       return string_type(name.begin(), name.end());
419 #else
420    if(name.size())
421    {
422       string_type result;
423       typedef std::string::const_iterator iter;
424       iter b = name.begin();
425       iter e = name.end();
426       while(b != e)
427          result.append(1, charT(*b++));
428       return result;
429    }
430 #endif
431    if(p2 - p1 == 1)
432       return string_type(1, *p1);
433    return string_type();
434 }
435 
436 template <class charT>
w32_regex_traits_implementation(::boost::BOOST_REGEX_DETAIL_NS::lcid_type l)437 w32_regex_traits_implementation<charT>::w32_regex_traits_implementation(::boost::BOOST_REGEX_DETAIL_NS::lcid_type l)
438 : w32_regex_traits_char_layer<charT>(l)
439 {
440    cat_type cat;
441    std::string cat_name(w32_regex_traits<charT>::get_catalog_name());
442    if(cat_name.size())
443    {
444       cat = ::boost::BOOST_REGEX_DETAIL_NS::w32_cat_open(cat_name);
445       if(!cat)
446       {
447          std::string m("Unable to open message catalog: ");
448          std::runtime_error err(m + cat_name);
449          boost::BOOST_REGEX_DETAIL_NS::raise_runtime_error(err);
450       }
451    }
452    //
453    // if we have a valid catalog then load our messages:
454    //
455    if(cat)
456    {
457       //
458       // Error messages:
459       //
460       for(boost::regex_constants::error_type i = static_cast<boost::regex_constants::error_type>(0);
461          i <= boost::regex_constants::error_unknown;
462          i = static_cast<boost::regex_constants::error_type>(i + 1))
463       {
464          const char* p = get_default_error_string(i);
465          string_type default_message;
466          while(*p)
467          {
468             default_message.append(1, static_cast<charT>(*p));
469             ++p;
470          }
471          string_type s = ::boost::BOOST_REGEX_DETAIL_NS::w32_cat_get(cat, this->m_locale, i+200, default_message);
472          std::string result;
473          for(std::string::size_type j = 0; j < s.size(); ++j)
474          {
475             result.append(1, static_cast<char>(s[j]));
476          }
477          m_error_strings[i] = result;
478       }
479       //
480       // Custom class names:
481       //
482       static const char_class_type masks[14] =
483       {
484          0x0104u, // C1_ALPHA | C1_DIGIT
485          0x0100u, // C1_ALPHA
486          0x0020u, // C1_CNTRL
487          0x0004u, // C1_DIGIT
488          (~(0x0020u|0x0008u) & 0x01ffu) | 0x0400u, // not C1_CNTRL or C1_SPACE
489          0x0002u, // C1_LOWER
490          (~0x0020u & 0x01ffu) | 0x0400, // not C1_CNTRL
491          0x0010u, // C1_PUNCT
492          0x0008u, // C1_SPACE
493          0x0001u, // C1_UPPER
494          0x0080u, // C1_XDIGIT
495          0x0040u, // C1_BLANK
496          w32_regex_traits_implementation<charT>::mask_word,
497          w32_regex_traits_implementation<charT>::mask_unicode,
498       };
499       static const string_type null_string;
500       for(unsigned int j = 0; j <= 13; ++j)
501       {
502          string_type s(::boost::BOOST_REGEX_DETAIL_NS::w32_cat_get(cat, this->m_locale, j+300, null_string));
503          if(s.size())
504             this->m_custom_class_names[s] = masks[j];
505       }
506    }
507    //
508    // get the collation format used by m_pcollate:
509    //
510    m_collate_type = BOOST_REGEX_DETAIL_NS::find_sort_syntax(this, &m_collate_delim);
511 }
512 
513 template <class charT>
514 typename w32_regex_traits_implementation<charT>::char_class_type
lookup_classname_imp(const charT * p1,const charT * p2) const515    w32_regex_traits_implementation<charT>::lookup_classname_imp(const charT* p1, const charT* p2) const
516 {
517    static const char_class_type masks[22] =
518    {
519       0,
520       0x0104u, // C1_ALPHA | C1_DIGIT
521       0x0100u, // C1_ALPHA
522       0x0040u, // C1_BLANK
523       0x0020u, // C1_CNTRL
524       0x0004u, // C1_DIGIT
525       0x0004u, // C1_DIGIT
526       (~(0x0020u|0x0008u|0x0040) & 0x01ffu) | 0x0400u, // not C1_CNTRL or C1_SPACE or C1_BLANK
527       w32_regex_traits_implementation<charT>::mask_horizontal,
528       0x0002u, // C1_LOWER
529       0x0002u, // C1_LOWER
530       (~0x0020u & 0x01ffu) | 0x0400, // not C1_CNTRL
531       0x0010u, // C1_PUNCT
532       0x0008u, // C1_SPACE
533       0x0008u, // C1_SPACE
534       0x0001u, // C1_UPPER
535       w32_regex_traits_implementation<charT>::mask_unicode,
536       0x0001u, // C1_UPPER
537       w32_regex_traits_implementation<charT>::mask_vertical,
538       0x0104u | w32_regex_traits_implementation<charT>::mask_word,
539       0x0104u | w32_regex_traits_implementation<charT>::mask_word,
540       0x0080u, // C1_XDIGIT
541    };
542    if(m_custom_class_names.size())
543    {
544       typedef typename std::map<std::basic_string<charT>, char_class_type>::const_iterator map_iter;
545       map_iter pos = m_custom_class_names.find(string_type(p1, p2));
546       if(pos != m_custom_class_names.end())
547          return pos->second;
548    }
549    std::size_t state_id = 1u + (std::size_t)BOOST_REGEX_DETAIL_NS::get_default_class_id(p1, p2);
550    if(state_id < sizeof(masks) / sizeof(masks[0]))
551       return masks[state_id];
552    return masks[0];
553 }
554 
555 
556 template <class charT>
create_w32_regex_traits(::boost::BOOST_REGEX_DETAIL_NS::lcid_type l)557 boost::shared_ptr<const w32_regex_traits_implementation<charT> > create_w32_regex_traits(::boost::BOOST_REGEX_DETAIL_NS::lcid_type l)
558 {
559    // TODO: create a cache for previously constructed objects.
560    return boost::object_cache< ::boost::BOOST_REGEX_DETAIL_NS::lcid_type, w32_regex_traits_implementation<charT> >::get(l, 5);
561 }
562 
563 } // BOOST_REGEX_DETAIL_NS
564 
565 template <class charT>
566 class w32_regex_traits
567 {
568 public:
569    typedef charT                         char_type;
570    typedef std::size_t                   size_type;
571    typedef std::basic_string<char_type>  string_type;
572    typedef ::boost::BOOST_REGEX_DETAIL_NS::lcid_type locale_type;
573    typedef boost::uint_least32_t         char_class_type;
574 
575    struct boost_extensions_tag{};
576 
w32_regex_traits()577    w32_regex_traits()
578       : m_pimpl(BOOST_REGEX_DETAIL_NS::create_w32_regex_traits<charT>(::boost::BOOST_REGEX_DETAIL_NS::w32_get_default_locale()))
579    { }
length(const char_type * p)580    static size_type length(const char_type* p)
581    {
582       return std::char_traits<charT>::length(p);
583    }
syntax_type(charT c) const584    regex_constants::syntax_type syntax_type(charT c)const
585    {
586       return m_pimpl->syntax_type(c);
587    }
escape_syntax_type(charT c) const588    regex_constants::escape_syntax_type escape_syntax_type(charT c) const
589    {
590       return m_pimpl->escape_syntax_type(c);
591    }
translate(charT c) const592    charT translate(charT c) const
593    {
594       return c;
595    }
translate_nocase(charT c) const596    charT translate_nocase(charT c) const
597    {
598       return this->m_pimpl->tolower(c);
599    }
translate(charT c,bool icase) const600    charT translate(charT c, bool icase) const
601    {
602       return icase ? this->m_pimpl->tolower(c) : c;
603    }
tolower(charT c) const604    charT tolower(charT c) const
605    {
606       return this->m_pimpl->tolower(c);
607    }
toupper(charT c) const608    charT toupper(charT c) const
609    {
610       return ::boost::BOOST_REGEX_DETAIL_NS::w32_toupper(c, this->m_pimpl->m_locale);
611    }
transform(const charT * p1,const charT * p2) const612    string_type transform(const charT* p1, const charT* p2) const
613    {
614       return ::boost::BOOST_REGEX_DETAIL_NS::w32_transform(this->m_pimpl->m_locale, p1, p2);
615    }
transform_primary(const charT * p1,const charT * p2) const616    string_type transform_primary(const charT* p1, const charT* p2) const
617    {
618       return m_pimpl->transform_primary(p1, p2);
619    }
lookup_classname(const charT * p1,const charT * p2) const620    char_class_type lookup_classname(const charT* p1, const charT* p2) const
621    {
622       return m_pimpl->lookup_classname(p1, p2);
623    }
lookup_collatename(const charT * p1,const charT * p2) const624    string_type lookup_collatename(const charT* p1, const charT* p2) const
625    {
626       return m_pimpl->lookup_collatename(p1, p2);
627    }
isctype(charT c,char_class_type f) const628    bool isctype(charT c, char_class_type f) const
629    {
630       if((f & BOOST_REGEX_DETAIL_NS::w32_regex_traits_implementation<charT>::mask_base)
631          && (this->m_pimpl->isctype(f & BOOST_REGEX_DETAIL_NS::w32_regex_traits_implementation<charT>::mask_base, c)))
632          return true;
633       else if((f & BOOST_REGEX_DETAIL_NS::w32_regex_traits_implementation<charT>::mask_unicode) && BOOST_REGEX_DETAIL_NS::is_extended(c))
634          return true;
635       else if((f & BOOST_REGEX_DETAIL_NS::w32_regex_traits_implementation<charT>::mask_word) && (c == '_'))
636          return true;
637       else if((f & BOOST_REGEX_DETAIL_NS::w32_regex_traits_implementation<charT>::mask_vertical)
638          && (::boost::BOOST_REGEX_DETAIL_NS::is_separator(c) || (c == '\v')))
639          return true;
640       else if((f & BOOST_REGEX_DETAIL_NS::w32_regex_traits_implementation<charT>::mask_horizontal)
641          && this->isctype(c, 0x0008u) && !this->isctype(c, BOOST_REGEX_DETAIL_NS::w32_regex_traits_implementation<charT>::mask_vertical))
642          return true;
643       return false;
644    }
toi(const charT * & p1,const charT * p2,int radix) const645    boost::intmax_t toi(const charT*& p1, const charT* p2, int radix)const
646    {
647       return ::boost::BOOST_REGEX_DETAIL_NS::global_toi(p1, p2, radix, *this);
648    }
value(charT c,int radix) const649    int value(charT c, int radix)const
650    {
651       int result = (int)::boost::BOOST_REGEX_DETAIL_NS::global_value(c);
652       return result < radix ? result : -1;
653    }
imbue(locale_type l)654    locale_type imbue(locale_type l)
655    {
656       ::boost::BOOST_REGEX_DETAIL_NS::lcid_type result(getloc());
657       m_pimpl = BOOST_REGEX_DETAIL_NS::create_w32_regex_traits<charT>(l);
658       return result;
659    }
getloc() const660    locale_type getloc()const
661    {
662       return m_pimpl->m_locale;
663    }
error_string(regex_constants::error_type n) const664    std::string error_string(regex_constants::error_type n) const
665    {
666       return m_pimpl->error_string(n);
667    }
668 
669    //
670    // extension:
671    // set the name of the message catalog in use (defaults to "boost_regex").
672    //
673    static std::string catalog_name(const std::string& name);
674    static std::string get_catalog_name();
675 
676 private:
677    boost::shared_ptr<const BOOST_REGEX_DETAIL_NS::w32_regex_traits_implementation<charT> > m_pimpl;
678    //
679    // catalog name handler:
680    //
681    static std::string& get_catalog_name_inst();
682 
683 #ifdef BOOST_HAS_THREADS
684    static static_mutex& get_mutex_inst();
685 #endif
686 };
687 
688 template <class charT>
catalog_name(const std::string & name)689 std::string w32_regex_traits<charT>::catalog_name(const std::string& name)
690 {
691 #ifdef BOOST_HAS_THREADS
692    static_mutex::scoped_lock lk(get_mutex_inst());
693 #endif
694    std::string result(get_catalog_name_inst());
695    get_catalog_name_inst() = name;
696    return result;
697 }
698 
699 template <class charT>
get_catalog_name_inst()700 std::string& w32_regex_traits<charT>::get_catalog_name_inst()
701 {
702    static std::string s_name;
703    return s_name;
704 }
705 
706 template <class charT>
get_catalog_name()707 std::string w32_regex_traits<charT>::get_catalog_name()
708 {
709 #ifdef BOOST_HAS_THREADS
710    static_mutex::scoped_lock lk(get_mutex_inst());
711 #endif
712    std::string result(get_catalog_name_inst());
713    return result;
714 }
715 
716 #ifdef BOOST_HAS_THREADS
717 template <class charT>
get_mutex_inst()718 static_mutex& w32_regex_traits<charT>::get_mutex_inst()
719 {
720    static static_mutex s_mutex = BOOST_STATIC_MUTEX_INIT;
721    return s_mutex;
722 }
723 #endif
724 
725 
726 } // boost
727 
728 #ifdef BOOST_MSVC
729 #pragma warning(pop)
730 #endif
731 
732 #ifdef BOOST_MSVC
733 #pragma warning(push)
734 #pragma warning(disable: 4103)
735 #endif
736 #ifdef BOOST_HAS_ABI_HEADERS
737 #  include BOOST_ABI_SUFFIX
738 #endif
739 #ifdef BOOST_MSVC
740 #pragma warning(pop)
741 #endif
742 
743 #endif // BOOST_REGEX_NO_WIN32_LOCALE
744 
745 #endif
746