Chris@16: /*
Chris@16:  *
Chris@16:  * Copyright (c) 2004
Chris@16:  * John Maddock
Chris@16:  *
Chris@16:  * Use, modification and distribution are subject to the 
Chris@16:  * Boost Software License, Version 1.0. (See accompanying file 
Chris@16:  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16:  *
Chris@16:  */
Chris@16:  
Chris@16:  /*
Chris@16:   *   LOCATION:    see http://www.boost.org for most recent version.
Chris@16:   *   FILE         w32_regex_traits.hpp
Chris@16:   *   VERSION      see <boost/version.hpp>
Chris@16:   *   DESCRIPTION: Declares regular expression traits class w32_regex_traits.
Chris@16:   */
Chris@16: 
Chris@16: #ifndef BOOST_W32_REGEX_TRAITS_HPP_INCLUDED
Chris@16: #define BOOST_W32_REGEX_TRAITS_HPP_INCLUDED
Chris@16: 
Chris@16: #ifndef BOOST_RE_PAT_EXCEPT_HPP
Chris@16: #include <boost/regex/pattern_except.hpp>
Chris@16: #endif
Chris@16: #ifndef BOOST_REGEX_TRAITS_DEFAULTS_HPP_INCLUDED
Chris@16: #include <boost/regex/v4/regex_traits_defaults.hpp>
Chris@16: #endif
Chris@16: #ifdef BOOST_HAS_THREADS
Chris@16: #include <boost/regex/pending/static_mutex.hpp>
Chris@16: #endif
Chris@16: #ifndef BOOST_REGEX_PRIMARY_TRANSFORM
Chris@16: #include <boost/regex/v4/primary_transform.hpp>
Chris@16: #endif
Chris@16: #ifndef BOOST_REGEX_OBJECT_CACHE_HPP
Chris@16: #include <boost/regex/pending/object_cache.hpp>
Chris@16: #endif
Chris@16: 
Chris@16: #ifdef BOOST_MSVC
Chris@16: #pragma warning(push)
Chris@16: #pragma warning(disable: 4103)
Chris@16: #endif
Chris@16: #ifdef BOOST_HAS_ABI_HEADERS
Chris@16: #  include BOOST_ABI_PREFIX
Chris@16: #endif
Chris@16: #ifdef BOOST_MSVC
Chris@16: #pragma warning(pop)
Chris@16: #endif
Chris@16: 
Chris@16: #ifdef BOOST_MSVC
Chris@16: #pragma warning(push)
Chris@16: #pragma warning(disable:4786)
Chris@16: #pragma warning(disable:4800)
Chris@16: #endif
Chris@16: 
Chris@16: namespace boost{ 
Chris@16: 
Chris@16: //
Chris@16: // forward declaration is needed by some compilers:
Chris@16: //
Chris@16: template <class charT>
Chris@16: class w32_regex_traits;
Chris@16:    
Chris@16: namespace re_detail{
Chris@16: 
Chris@16: //
Chris@16: // start by typedeffing the types we'll need:
Chris@16: //
Chris@16: typedef ::boost::uint32_t lcid_type;   // placeholder for LCID.
Chris@16: typedef ::boost::shared_ptr<void> cat_type; // placeholder for dll HANDLE.
Chris@16: 
Chris@16: //
Chris@16: // then add wrappers around the actual Win32 API's (ie implementation hiding):
Chris@16: //
Chris@16: BOOST_REGEX_DECL lcid_type BOOST_REGEX_CALL w32_get_default_locale();
Chris@16: BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is_lower(char, lcid_type);
Chris@16: #ifndef BOOST_NO_WREGEX
Chris@16: BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is_lower(wchar_t, lcid_type);
Chris@16: #ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
Chris@16: BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is_lower(unsigned short ca, lcid_type state_id);
Chris@16: #endif
Chris@16: #endif
Chris@16: BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is_upper(char, lcid_type);
Chris@16: #ifndef BOOST_NO_WREGEX
Chris@16: BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is_upper(wchar_t, lcid_type);
Chris@16: #ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
Chris@16: BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is_upper(unsigned short ca, lcid_type state_id);
Chris@16: #endif
Chris@16: #endif
Chris@16: BOOST_REGEX_DECL cat_type BOOST_REGEX_CALL w32_cat_open(const std::string& name);
Chris@16: 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);
Chris@16: #ifndef BOOST_NO_WREGEX
Chris@16: 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);
Chris@16: #ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
Chris@16: 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);
Chris@16: #endif
Chris@16: #endif
Chris@16: BOOST_REGEX_DECL std::string BOOST_REGEX_CALL w32_transform(lcid_type state_id, const char* p1, const char* p2);
Chris@16: #ifndef BOOST_NO_WREGEX
Chris@16: BOOST_REGEX_DECL std::wstring BOOST_REGEX_CALL w32_transform(lcid_type state_id, const wchar_t* p1, const wchar_t* p2);
Chris@16: #ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
Chris@16: 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);
Chris@16: #endif
Chris@16: #endif
Chris@16: BOOST_REGEX_DECL char BOOST_REGEX_CALL w32_tolower(char c, lcid_type);
Chris@16: #ifndef BOOST_NO_WREGEX
Chris@16: BOOST_REGEX_DECL wchar_t BOOST_REGEX_CALL w32_tolower(wchar_t c, lcid_type);
Chris@16: #ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
Chris@16: BOOST_REGEX_DECL unsigned short BOOST_REGEX_CALL w32_tolower(unsigned short c, lcid_type state_id);
Chris@16: #endif
Chris@16: #endif
Chris@16: BOOST_REGEX_DECL char BOOST_REGEX_CALL w32_toupper(char c, lcid_type);
Chris@16: #ifndef BOOST_NO_WREGEX
Chris@16: BOOST_REGEX_DECL wchar_t BOOST_REGEX_CALL w32_toupper(wchar_t c, lcid_type);
Chris@16: #endif
Chris@16: BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is(lcid_type, boost::uint32_t mask, char c);
Chris@16: #ifndef BOOST_NO_WREGEX
Chris@16: BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is(lcid_type, boost::uint32_t mask, wchar_t c);
Chris@16: #ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
Chris@16: BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is(lcid_type state_id, boost::uint32_t m, unsigned short c);
Chris@16: #endif
Chris@16: #endif
Chris@16: //
Chris@16: // class w32_regex_traits_base:
Chris@16: // acts as a container for locale and the facets we are using.
Chris@16: //
Chris@16: template <class charT>
Chris@16: struct w32_regex_traits_base
Chris@16: {
Chris@16:    w32_regex_traits_base(lcid_type l)
Chris@16:    { imbue(l); }
Chris@16:    lcid_type imbue(lcid_type l);
Chris@16: 
Chris@16:    lcid_type m_locale;
Chris@16: };
Chris@16: 
Chris@16: template <class charT>
Chris@16: inline lcid_type w32_regex_traits_base<charT>::imbue(lcid_type l)
Chris@16: {
Chris@16:    lcid_type result(m_locale);
Chris@16:    m_locale = l;
Chris@16:    return result;
Chris@16: }
Chris@16: 
Chris@16: //
Chris@16: // class w32_regex_traits_char_layer:
Chris@16: // implements methods that require specialisation for narrow characters:
Chris@16: //
Chris@16: template <class charT>
Chris@16: class w32_regex_traits_char_layer : public w32_regex_traits_base<charT>
Chris@16: {
Chris@16:    typedef std::basic_string<charT> string_type;
Chris@16:    typedef std::map<charT, regex_constants::syntax_type> map_type;
Chris@16:    typedef typename map_type::const_iterator map_iterator_type;
Chris@16: public:
Chris@16:    w32_regex_traits_char_layer(const lcid_type l);
Chris@16: 
Chris@16:    regex_constants::syntax_type syntax_type(charT c)const
Chris@16:    {
Chris@16:       map_iterator_type i = m_char_map.find(c);
Chris@16:       return ((i == m_char_map.end()) ? 0 : i->second);
Chris@16:    }
Chris@16:    regex_constants::escape_syntax_type escape_syntax_type(charT c) const
Chris@16:    {
Chris@16:       map_iterator_type i = m_char_map.find(c);
Chris@16:       if(i == m_char_map.end())
Chris@16:       {
Chris@16:          if(::boost::re_detail::w32_is_lower(c, this->m_locale)) return regex_constants::escape_type_class;
Chris@16:          if(::boost::re_detail::w32_is_upper(c, this->m_locale)) return regex_constants::escape_type_not_class;
Chris@16:          return 0;
Chris@16:       }
Chris@16:       return i->second;
Chris@16:    }
Chris@16:    charT tolower(charT c)const
Chris@16:    {
Chris@16:       return ::boost::re_detail::w32_tolower(c, this->m_locale);
Chris@16:    }
Chris@16:    bool isctype(boost::uint32_t mask, charT c)const
Chris@16:    {
Chris@16:       return ::boost::re_detail::w32_is(this->m_locale, mask, c);
Chris@16:    }
Chris@16: 
Chris@16: private:
Chris@16:    string_type get_default_message(regex_constants::syntax_type);
Chris@16:    // TODO: use a hash table when available!
Chris@16:    map_type m_char_map;
Chris@16: };
Chris@16: 
Chris@16: template <class charT>
Chris@16: w32_regex_traits_char_layer<charT>::w32_regex_traits_char_layer(::boost::re_detail::lcid_type l) 
Chris@16:    : w32_regex_traits_base<charT>(l)
Chris@16: {
Chris@16:    // we need to start by initialising our syntax map so we know which
Chris@16:    // character is used for which purpose:
Chris@16:    cat_type cat;
Chris@16:    std::string cat_name(w32_regex_traits<charT>::get_catalog_name());
Chris@16:    if(cat_name.size())
Chris@16:    {
Chris@16:       cat = ::boost::re_detail::w32_cat_open(cat_name);
Chris@16:       if(!cat)
Chris@16:       {
Chris@16:          std::string m("Unable to open message catalog: ");
Chris@16:          std::runtime_error err(m + cat_name);
Chris@16:          boost::re_detail::raise_runtime_error(err);
Chris@16:       }
Chris@16:    }
Chris@16:    //
Chris@16:    // if we have a valid catalog then load our messages:
Chris@16:    //
Chris@16:    if(cat)
Chris@16:    {
Chris@16:       for(regex_constants::syntax_type i = 1; i < regex_constants::syntax_max; ++i)
Chris@16:       {
Chris@16:          string_type mss = ::boost::re_detail::w32_cat_get(cat, this->m_locale, i, get_default_message(i));
Chris@16:          for(typename string_type::size_type j = 0; j < mss.size(); ++j)
Chris@16:          {
Chris@16:             this->m_char_map[mss[j]] = i;
Chris@16:          }
Chris@16:       }
Chris@16:    }
Chris@16:    else
Chris@16:    {
Chris@16:       for(regex_constants::syntax_type i = 1; i < regex_constants::syntax_max; ++i)
Chris@16:       {
Chris@16:          const char* ptr = get_default_syntax(i);
Chris@16:          while(ptr && *ptr)
Chris@16:          {
Chris@16:             this->m_char_map[static_cast<charT>(*ptr)] = i;
Chris@16:             ++ptr;
Chris@16:          }
Chris@16:       }
Chris@16:    }
Chris@16: }
Chris@16: 
Chris@16: template <class charT>
Chris@16: typename w32_regex_traits_char_layer<charT>::string_type 
Chris@16:    w32_regex_traits_char_layer<charT>::get_default_message(regex_constants::syntax_type i)
Chris@16: {
Chris@16:    const char* ptr = get_default_syntax(i);
Chris@16:    string_type result;
Chris@16:    while(ptr && *ptr)
Chris@16:    {
Chris@16:       result.append(1, static_cast<charT>(*ptr));
Chris@16:       ++ptr;
Chris@16:    }
Chris@16:    return result;
Chris@16: }
Chris@16: 
Chris@16: //
Chris@16: // specialised version for narrow characters:
Chris@16: //
Chris@16: template <>
Chris@16: class BOOST_REGEX_DECL w32_regex_traits_char_layer<char> : public w32_regex_traits_base<char>
Chris@16: {
Chris@16:    typedef std::string string_type;
Chris@16: public:
Chris@16:    w32_regex_traits_char_layer(::boost::re_detail::lcid_type l)
Chris@16:    : w32_regex_traits_base<char>(l)
Chris@16:    {
Chris@16:       init();
Chris@16:    }
Chris@16: 
Chris@16:    regex_constants::syntax_type syntax_type(char c)const
Chris@16:    {
Chris@16:       return m_char_map[static_cast<unsigned char>(c)];
Chris@16:    }
Chris@16:    regex_constants::escape_syntax_type escape_syntax_type(char c) const
Chris@16:    {
Chris@16:       return m_char_map[static_cast<unsigned char>(c)];
Chris@16:    }
Chris@16:    char tolower(char c)const
Chris@16:    {
Chris@16:       return m_lower_map[static_cast<unsigned char>(c)];
Chris@16:    }
Chris@16:    bool isctype(boost::uint32_t mask, char c)const
Chris@16:    {
Chris@16:       return m_type_map[static_cast<unsigned char>(c)] & mask;
Chris@16:    }
Chris@16: 
Chris@16: private:
Chris@16:    regex_constants::syntax_type m_char_map[1u << CHAR_BIT];
Chris@16:    char m_lower_map[1u << CHAR_BIT];
Chris@16:    boost::uint16_t m_type_map[1u << CHAR_BIT];
Chris@16:    void init();
Chris@16: };
Chris@16: 
Chris@16: //
Chris@16: // class w32_regex_traits_implementation:
Chris@16: // provides pimpl implementation for w32_regex_traits.
Chris@16: //
Chris@16: template <class charT>
Chris@16: class w32_regex_traits_implementation : public w32_regex_traits_char_layer<charT>
Chris@16: {
Chris@16: public:
Chris@16:    typedef typename w32_regex_traits<charT>::char_class_type char_class_type;
Chris@16:    BOOST_STATIC_CONSTANT(char_class_type, mask_word = 0x0400); // must be C1_DEFINED << 1
Chris@16:    BOOST_STATIC_CONSTANT(char_class_type, mask_unicode = 0x0800); // must be C1_DEFINED << 2
Chris@16:    BOOST_STATIC_CONSTANT(char_class_type, mask_horizontal = 0x1000); // must be C1_DEFINED << 3
Chris@16:    BOOST_STATIC_CONSTANT(char_class_type, mask_vertical = 0x2000); // must be C1_DEFINED << 4
Chris@16:    BOOST_STATIC_CONSTANT(char_class_type, mask_base = 0x3ff);  // all the masks used by the CT_CTYPE1 group
Chris@16: 
Chris@16:    typedef std::basic_string<charT> string_type;
Chris@16:    typedef charT char_type;
Chris@16:    w32_regex_traits_implementation(::boost::re_detail::lcid_type l);
Chris@16:    std::string error_string(regex_constants::error_type n) const
Chris@16:    {
Chris@16:       if(!m_error_strings.empty())
Chris@16:       {
Chris@16:          std::map<int, std::string>::const_iterator p = m_error_strings.find(n);
Chris@16:          return (p == m_error_strings.end()) ? std::string(get_default_error_string(n)) : p->second;
Chris@16:       }
Chris@16:       return get_default_error_string(n);
Chris@16:    }
Chris@16:    char_class_type lookup_classname(const charT* p1, const charT* p2) const
Chris@16:    {
Chris@16:       char_class_type result = lookup_classname_imp(p1, p2);
Chris@16:       if(result == 0)
Chris@16:       {
Chris@16:          typedef typename string_type::size_type size_type;
Chris@16:          string_type temp(p1, p2);
Chris@16:          for(size_type i = 0; i < temp.size(); ++i)
Chris@16:             temp[i] = this->tolower(temp[i]);
Chris@16:          result = lookup_classname_imp(&*temp.begin(), &*temp.begin() + temp.size());
Chris@16:       }
Chris@16:       return result;
Chris@16:    }
Chris@16:    string_type lookup_collatename(const charT* p1, const charT* p2) const;
Chris@16:    string_type transform_primary(const charT* p1, const charT* p2) const;
Chris@16:    string_type transform(const charT* p1, const charT* p2) const
Chris@16:    {
Chris@16:       return ::boost::re_detail::w32_transform(this->m_locale, p1, p2);
Chris@16:    }
Chris@16: private:
Chris@16:    std::map<int, std::string>     m_error_strings;   // error messages indexed by numberic ID
Chris@16:    std::map<string_type, char_class_type>  m_custom_class_names; // character class names
Chris@16:    std::map<string_type, string_type>      m_custom_collate_names; // collating element names
Chris@16:    unsigned                       m_collate_type;    // the form of the collation string
Chris@16:    charT                          m_collate_delim;   // the collation group delimiter
Chris@16:    //
Chris@16:    // helpers:
Chris@16:    //
Chris@16:    char_class_type lookup_classname_imp(const charT* p1, const charT* p2) const;
Chris@16: };
Chris@16: 
Chris@16: template <class charT>
Chris@16: typename w32_regex_traits_implementation<charT>::string_type 
Chris@16:    w32_regex_traits_implementation<charT>::transform_primary(const charT* p1, const charT* p2) const
Chris@16: {
Chris@16:    string_type result;
Chris@16:    //
Chris@16:    // What we do here depends upon the format of the sort key returned by
Chris@16:    // sort key returned by this->transform:
Chris@16:    //
Chris@16:    switch(m_collate_type)
Chris@16:    {
Chris@16:    case sort_C:
Chris@16:    case sort_unknown:
Chris@16:       // the best we can do is translate to lower case, then get a regular sort key:
Chris@16:       {
Chris@16:          result.assign(p1, p2);
Chris@16:          typedef typename string_type::size_type size_type;
Chris@16:          for(size_type i = 0; i < result.size(); ++i)
Chris@16:             result[i] = this->tolower(result[i]);
Chris@16:          result = this->transform(&*result.begin(), &*result.begin() + result.size());
Chris@16:          break;
Chris@16:       }
Chris@16:    case sort_fixed:
Chris@16:       {
Chris@16:          // get a regular sort key, and then truncate it:
Chris@16:          result.assign(this->transform(p1, p2));
Chris@16:          result.erase(this->m_collate_delim);
Chris@16:          break;
Chris@16:       }
Chris@16:    case sort_delim:
Chris@16:          // get a regular sort key, and then truncate everything after the delim:
Chris@16:          result.assign(this->transform(p1, p2));
Chris@16:          std::size_t i;
Chris@16:          for(i = 0; i < result.size(); ++i)
Chris@16:          {
Chris@16:             if(result[i] == m_collate_delim)
Chris@16:                break;
Chris@16:          }
Chris@16:          result.erase(i);
Chris@16:          break;
Chris@16:    }
Chris@16:    if(result.empty())
Chris@16:       result = string_type(1, charT(0));
Chris@16:    return result;
Chris@16: }
Chris@16: 
Chris@16: template <class charT>
Chris@16: typename w32_regex_traits_implementation<charT>::string_type 
Chris@16:    w32_regex_traits_implementation<charT>::lookup_collatename(const charT* p1, const charT* p2) const
Chris@16: {
Chris@16:    typedef typename std::map<string_type, string_type>::const_iterator iter_type;
Chris@16:    if(m_custom_collate_names.size())
Chris@16:    {
Chris@16:       iter_type pos = m_custom_collate_names.find(string_type(p1, p2));
Chris@16:       if(pos != m_custom_collate_names.end())
Chris@16:          return pos->second;
Chris@16:    }
Chris@16: #if !defined(BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS)\
Chris@16:                && !BOOST_WORKAROUND(__BORLANDC__, <= 0x0551)
Chris@16:    std::string name(p1, p2);
Chris@16: #else
Chris@16:    std::string name;
Chris@16:    const charT* p0 = p1;
Chris@16:    while(p0 != p2)
Chris@16:       name.append(1, char(*p0++));
Chris@16: #endif
Chris@16:    name = lookup_default_collate_name(name);
Chris@16: #if !defined(BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS)\
Chris@16:                && !BOOST_WORKAROUND(__BORLANDC__, <= 0x0551)
Chris@16:    if(name.size())
Chris@16:       return string_type(name.begin(), name.end());
Chris@16: #else
Chris@16:    if(name.size())
Chris@16:    {
Chris@16:       string_type result;
Chris@16:       typedef std::string::const_iterator iter;
Chris@16:       iter b = name.begin();
Chris@16:       iter e = name.end();
Chris@16:       while(b != e)
Chris@16:          result.append(1, charT(*b++));
Chris@16:       return result;
Chris@16:    }
Chris@16: #endif
Chris@16:    if(p2 - p1 == 1)
Chris@16:       return string_type(1, *p1);
Chris@16:    return string_type();
Chris@16: }
Chris@16: 
Chris@16: template <class charT>
Chris@16: w32_regex_traits_implementation<charT>::w32_regex_traits_implementation(::boost::re_detail::lcid_type l)
Chris@16: : w32_regex_traits_char_layer<charT>(l)
Chris@16: {
Chris@16:    cat_type cat;
Chris@16:    std::string cat_name(w32_regex_traits<charT>::get_catalog_name());
Chris@16:    if(cat_name.size())
Chris@16:    {
Chris@16:       cat = ::boost::re_detail::w32_cat_open(cat_name);
Chris@16:       if(!cat)
Chris@16:       {
Chris@16:          std::string m("Unable to open message catalog: ");
Chris@16:          std::runtime_error err(m + cat_name);
Chris@16:          boost::re_detail::raise_runtime_error(err);
Chris@16:       }
Chris@16:    }
Chris@16:    //
Chris@16:    // if we have a valid catalog then load our messages:
Chris@16:    //
Chris@16:    if(cat)
Chris@16:    {
Chris@16:       //
Chris@16:       // Error messages:
Chris@16:       //
Chris@16:       for(boost::regex_constants::error_type i = static_cast<boost::regex_constants::error_type>(0); 
Chris@16:          i <= boost::regex_constants::error_unknown; 
Chris@16:          i = static_cast<boost::regex_constants::error_type>(i + 1))
Chris@16:       {
Chris@16:          const char* p = get_default_error_string(i);
Chris@16:          string_type default_message;
Chris@16:          while(*p)
Chris@16:          {
Chris@16:             default_message.append(1, static_cast<charT>(*p));
Chris@16:             ++p;
Chris@16:          }
Chris@16:          string_type s = ::boost::re_detail::w32_cat_get(cat, this->m_locale, i+200, default_message);
Chris@16:          std::string result;
Chris@16:          for(std::string::size_type j = 0; j < s.size(); ++j)
Chris@16:          {
Chris@16:             result.append(1, static_cast<char>(s[j]));
Chris@16:          }
Chris@16:          m_error_strings[i] = result;
Chris@16:       }
Chris@16:       //
Chris@16:       // Custom class names:
Chris@16:       //
Chris@16:       static const char_class_type masks[14] = 
Chris@16:       {
Chris@16:          0x0104u, // C1_ALPHA | C1_DIGIT
Chris@16:          0x0100u, // C1_ALPHA
Chris@16:          0x0020u, // C1_CNTRL
Chris@16:          0x0004u, // C1_DIGIT
Chris@16:          (~(0x0020u|0x0008u) & 0x01ffu) | 0x0400u, // not C1_CNTRL or C1_SPACE
Chris@16:          0x0002u, // C1_LOWER
Chris@16:          (~0x0020u & 0x01ffu) | 0x0400, // not C1_CNTRL
Chris@16:          0x0010u, // C1_PUNCT
Chris@16:          0x0008u, // C1_SPACE
Chris@16:          0x0001u, // C1_UPPER
Chris@16:          0x0080u, // C1_XDIGIT
Chris@16:          0x0040u, // C1_BLANK
Chris@16:          w32_regex_traits_implementation<charT>::mask_word,
Chris@16:          w32_regex_traits_implementation<charT>::mask_unicode,
Chris@16:       };
Chris@16:       static const string_type null_string;
Chris@16:       for(unsigned int j = 0; j <= 13; ++j)
Chris@16:       {
Chris@16:          string_type s(::boost::re_detail::w32_cat_get(cat, this->m_locale, j+300, null_string));
Chris@16:          if(s.size())
Chris@16:             this->m_custom_class_names[s] = masks[j];
Chris@16:       }
Chris@16:    }
Chris@16:    //
Chris@16:    // get the collation format used by m_pcollate:
Chris@16:    //
Chris@16:    m_collate_type = re_detail::find_sort_syntax(this, &m_collate_delim);
Chris@16: }
Chris@16: 
Chris@16: template <class charT>
Chris@16: typename w32_regex_traits_implementation<charT>::char_class_type 
Chris@16:    w32_regex_traits_implementation<charT>::lookup_classname_imp(const charT* p1, const charT* p2) const
Chris@16: {
Chris@16:    static const char_class_type masks[22] = 
Chris@16:    {
Chris@16:       0,
Chris@16:       0x0104u, // C1_ALPHA | C1_DIGIT
Chris@16:       0x0100u, // C1_ALPHA
Chris@16:       0x0040u, // C1_BLANK
Chris@16:       0x0020u, // C1_CNTRL
Chris@16:       0x0004u, // C1_DIGIT
Chris@16:       0x0004u, // C1_DIGIT
Chris@16:       (~(0x0020u|0x0008u|0x0040) & 0x01ffu) | 0x0400u, // not C1_CNTRL or C1_SPACE or C1_BLANK
Chris@16:       w32_regex_traits_implementation<charT>::mask_horizontal, 
Chris@16:       0x0002u, // C1_LOWER
Chris@16:       0x0002u, // C1_LOWER
Chris@16:       (~0x0020u & 0x01ffu) | 0x0400, // not C1_CNTRL
Chris@16:       0x0010u, // C1_PUNCT
Chris@16:       0x0008u, // C1_SPACE
Chris@16:       0x0008u, // C1_SPACE
Chris@16:       0x0001u, // C1_UPPER
Chris@16:       w32_regex_traits_implementation<charT>::mask_unicode,
Chris@16:       0x0001u, // C1_UPPER
Chris@16:       w32_regex_traits_implementation<charT>::mask_vertical, 
Chris@16:       0x0104u | w32_regex_traits_implementation<charT>::mask_word, 
Chris@16:       0x0104u | w32_regex_traits_implementation<charT>::mask_word, 
Chris@16:       0x0080u, // C1_XDIGIT
Chris@16:    };
Chris@16:    if(m_custom_class_names.size())
Chris@16:    {
Chris@16:       typedef typename std::map<std::basic_string<charT>, char_class_type>::const_iterator map_iter;
Chris@16:       map_iter pos = m_custom_class_names.find(string_type(p1, p2));
Chris@16:       if(pos != m_custom_class_names.end())
Chris@16:          return pos->second;
Chris@16:    }
Chris@16:    std::size_t state_id = 1 + re_detail::get_default_class_id(p1, p2);
Chris@16:    if(state_id < sizeof(masks) / sizeof(masks[0]))
Chris@16:       return masks[state_id];
Chris@16:    return masks[0];
Chris@16: }
Chris@16: 
Chris@16: 
Chris@16: template <class charT>
Chris@101: boost::shared_ptr<const w32_regex_traits_implementation<charT> > create_w32_regex_traits(::boost::re_detail::lcid_type l)
Chris@16: {
Chris@16:    // TODO: create a cache for previously constructed objects.
Chris@16:    return boost::object_cache< ::boost::re_detail::lcid_type, w32_regex_traits_implementation<charT> >::get(l, 5);
Chris@16: }
Chris@16: 
Chris@16: } // re_detail
Chris@16: 
Chris@16: template <class charT>
Chris@16: class w32_regex_traits
Chris@16: {
Chris@16: public:
Chris@16:    typedef charT                         char_type;
Chris@16:    typedef std::size_t                   size_type;
Chris@16:    typedef std::basic_string<char_type>  string_type;
Chris@16:    typedef ::boost::re_detail::lcid_type locale_type;
Chris@16:    typedef boost::uint_least32_t         char_class_type;
Chris@16: 
Chris@16:    struct boost_extensions_tag{};
Chris@16: 
Chris@16:    w32_regex_traits()
Chris@16:       : m_pimpl(re_detail::create_w32_regex_traits<charT>(::boost::re_detail::w32_get_default_locale()))
Chris@16:    { }
Chris@16:    static size_type length(const char_type* p)
Chris@16:    {
Chris@16:       return std::char_traits<charT>::length(p);
Chris@16:    }
Chris@16:    regex_constants::syntax_type syntax_type(charT c)const
Chris@16:    {
Chris@16:       return m_pimpl->syntax_type(c);
Chris@16:    }
Chris@16:    regex_constants::escape_syntax_type escape_syntax_type(charT c) const
Chris@16:    {
Chris@16:       return m_pimpl->escape_syntax_type(c);
Chris@16:    }
Chris@16:    charT translate(charT c) const
Chris@16:    {
Chris@16:       return c;
Chris@16:    }
Chris@16:    charT translate_nocase(charT c) const
Chris@16:    {
Chris@16:       return this->m_pimpl->tolower(c);
Chris@16:    }
Chris@16:    charT translate(charT c, bool icase) const
Chris@16:    {
Chris@16:       return icase ? this->m_pimpl->tolower(c) : c;
Chris@16:    }
Chris@16:    charT tolower(charT c) const
Chris@16:    {
Chris@16:       return this->m_pimpl->tolower(c);
Chris@16:    }
Chris@16:    charT toupper(charT c) const
Chris@16:    {
Chris@16:       return ::boost::re_detail::w32_toupper(c, this->m_pimpl->m_locale);
Chris@16:    }
Chris@16:    string_type transform(const charT* p1, const charT* p2) const
Chris@16:    {
Chris@16:       return ::boost::re_detail::w32_transform(this->m_pimpl->m_locale, p1, p2);
Chris@16:    }
Chris@16:    string_type transform_primary(const charT* p1, const charT* p2) const
Chris@16:    {
Chris@16:       return m_pimpl->transform_primary(p1, p2);
Chris@16:    }
Chris@16:    char_class_type lookup_classname(const charT* p1, const charT* p2) const
Chris@16:    {
Chris@16:       return m_pimpl->lookup_classname(p1, p2);
Chris@16:    }
Chris@16:    string_type lookup_collatename(const charT* p1, const charT* p2) const
Chris@16:    {
Chris@16:       return m_pimpl->lookup_collatename(p1, p2);
Chris@16:    }
Chris@16:    bool isctype(charT c, char_class_type f) const
Chris@16:    {
Chris@16:       if((f & re_detail::w32_regex_traits_implementation<charT>::mask_base) 
Chris@16:          && (this->m_pimpl->isctype(f & re_detail::w32_regex_traits_implementation<charT>::mask_base, c)))
Chris@16:          return true;
Chris@16:       else if((f & re_detail::w32_regex_traits_implementation<charT>::mask_unicode) && re_detail::is_extended(c))
Chris@16:          return true;
Chris@16:       else if((f & re_detail::w32_regex_traits_implementation<charT>::mask_word) && (c == '_'))
Chris@16:          return true;
Chris@16:       else if((f & re_detail::w32_regex_traits_implementation<charT>::mask_vertical)
Chris@16:          && (::boost::re_detail::is_separator(c) || (c == '\v')))
Chris@16:          return true;
Chris@16:       else if((f & re_detail::w32_regex_traits_implementation<charT>::mask_horizontal) 
Chris@16:          && this->isctype(c, 0x0008u) && !this->isctype(c, re_detail::w32_regex_traits_implementation<charT>::mask_vertical))
Chris@16:          return true;
Chris@16:       return false;
Chris@16:    }
Chris@16:    int toi(const charT*& p1, const charT* p2, int radix)const
Chris@16:    {
Chris@16:       return ::boost::re_detail::global_toi(p1, p2, radix, *this);
Chris@16:    }
Chris@16:    int value(charT c, int radix)const
Chris@16:    {
Chris@16:       int result = ::boost::re_detail::global_value(c);
Chris@16:       return result < radix ? result : -1;
Chris@16:    }
Chris@16:    locale_type imbue(locale_type l)
Chris@16:    {
Chris@16:       ::boost::re_detail::lcid_type result(getloc());
Chris@16:       m_pimpl = re_detail::create_w32_regex_traits<charT>(l);
Chris@16:       return result;
Chris@16:    }
Chris@16:    locale_type getloc()const
Chris@16:    {
Chris@16:       return m_pimpl->m_locale;
Chris@16:    }
Chris@16:    std::string error_string(regex_constants::error_type n) const
Chris@16:    {
Chris@16:       return m_pimpl->error_string(n);
Chris@16:    }
Chris@16: 
Chris@16:    //
Chris@16:    // extension:
Chris@16:    // set the name of the message catalog in use (defaults to "boost_regex").
Chris@16:    //
Chris@16:    static std::string catalog_name(const std::string& name);
Chris@16:    static std::string get_catalog_name();
Chris@16: 
Chris@16: private:
Chris@16:    boost::shared_ptr<const re_detail::w32_regex_traits_implementation<charT> > m_pimpl;
Chris@16:    //
Chris@16:    // catalog name handler:
Chris@16:    //
Chris@16:    static std::string& get_catalog_name_inst();
Chris@16: 
Chris@16: #ifdef BOOST_HAS_THREADS
Chris@16:    static static_mutex& get_mutex_inst();
Chris@16: #endif
Chris@16: };
Chris@16: 
Chris@16: template <class charT>
Chris@16: std::string w32_regex_traits<charT>::catalog_name(const std::string& name)
Chris@16: {
Chris@16: #ifdef BOOST_HAS_THREADS
Chris@16:    static_mutex::scoped_lock lk(get_mutex_inst());
Chris@16: #endif
Chris@16:    std::string result(get_catalog_name_inst());
Chris@16:    get_catalog_name_inst() = name;
Chris@16:    return result;
Chris@16: }
Chris@16: 
Chris@16: template <class charT>
Chris@16: std::string& w32_regex_traits<charT>::get_catalog_name_inst()
Chris@16: {
Chris@16:    static std::string s_name;
Chris@16:    return s_name;
Chris@16: }
Chris@16: 
Chris@16: template <class charT>
Chris@16: std::string w32_regex_traits<charT>::get_catalog_name()
Chris@16: {
Chris@16: #ifdef BOOST_HAS_THREADS
Chris@16:    static_mutex::scoped_lock lk(get_mutex_inst());
Chris@16: #endif
Chris@16:    std::string result(get_catalog_name_inst());
Chris@16:    return result;
Chris@16: }
Chris@16: 
Chris@16: #ifdef BOOST_HAS_THREADS
Chris@16: template <class charT>
Chris@16: static_mutex& w32_regex_traits<charT>::get_mutex_inst()
Chris@16: {
Chris@16:    static static_mutex s_mutex = BOOST_STATIC_MUTEX_INIT;
Chris@16:    return s_mutex;
Chris@16: }
Chris@16: #endif
Chris@16: 
Chris@16: 
Chris@16: } // boost
Chris@16: 
Chris@16: #ifdef BOOST_MSVC
Chris@16: #pragma warning(pop)
Chris@16: #endif
Chris@16: 
Chris@16: #ifdef BOOST_MSVC
Chris@16: #pragma warning(push)
Chris@16: #pragma warning(disable: 4103)
Chris@16: #endif
Chris@16: #ifdef BOOST_HAS_ABI_HEADERS
Chris@16: #  include BOOST_ABI_SUFFIX
Chris@16: #endif
Chris@16: #ifdef BOOST_MSVC
Chris@16: #pragma warning(pop)
Chris@16: #endif
Chris@16: 
Chris@16: #endif