651 lines
19 KiB
C++
651 lines
19 KiB
C++
/*
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*
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* Copyright (c) 2004
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* John Maddock
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*
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* Use, modification and distribution are subject to the
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* Boost Software License, Version 1.0. (See accompanying file
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* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*
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*/
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/*
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* LOCATION: see http://www.boost.org for most recent version.
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* FILE w32_regex_traits.cpp
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* VERSION see <boost/version.hpp>
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* DESCRIPTION: Implements w32_regex_traits<char> (and associated helper classes).
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*/
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#define BOOST_REGEX_SOURCE
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#include <boost/regex/config.hpp>
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#if defined(_WIN32) && !defined(BOOST_REGEX_NO_W32)
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#include <boost/regex/regex_traits.hpp>
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#include <boost/regex/pattern_except.hpp>
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#define WIN32_LEAN_AND_MEAN
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#ifndef NOMINMAX
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# define NOMINMAX
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#endif
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#define NOGDI
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#include <windows.h>
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#if defined(_MSC_VER) && !defined(_WIN32_WCE) && !defined(UNDER_CE)
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#pragma comment(lib, "user32.lib")
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#endif
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#ifdef BOOST_NO_STDC_NAMESPACE
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namespace std{
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using ::memset;
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}
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#endif
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namespace boost{ namespace re_detail{
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#ifdef BOOST_NO_ANSI_APIS
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UINT get_code_page_for_locale_id(lcid_type idx)
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{
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WCHAR code_page_string[7];
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if (::GetLocaleInfoW(idx, LOCALE_IDEFAULTANSICODEPAGE, code_page_string, 7) == 0)
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return 0;
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return static_cast<UINT>(_wtol(code_page_string));
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}
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#endif
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void w32_regex_traits_char_layer<char>::init()
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{
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// we need to start by initialising our syntax map so we know which
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// character is used for which purpose:
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std::memset(m_char_map, 0, sizeof(m_char_map));
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cat_type cat;
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std::string cat_name(w32_regex_traits<char>::get_catalog_name());
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if(cat_name.size())
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{
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cat = ::boost::re_detail::w32_cat_open(cat_name);
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if(!cat)
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{
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std::string m("Unable to open message catalog: ");
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std::runtime_error err(m + cat_name);
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::boost::re_detail::raise_runtime_error(err);
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}
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}
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//
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// if we have a valid catalog then load our messages:
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//
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if(cat)
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{
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for(regex_constants::syntax_type i = 1; i < regex_constants::syntax_max; ++i)
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{
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string_type mss = ::boost::re_detail::w32_cat_get(cat, this->m_locale, i, get_default_syntax(i));
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for(string_type::size_type j = 0; j < mss.size(); ++j)
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{
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m_char_map[static_cast<unsigned char>(mss[j])] = i;
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}
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}
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}
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else
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{
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for(regex_constants::syntax_type i = 1; i < regex_constants::syntax_max; ++i)
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{
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const char* ptr = get_default_syntax(i);
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while(ptr && *ptr)
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{
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m_char_map[static_cast<unsigned char>(*ptr)] = i;
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++ptr;
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}
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}
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}
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//
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// finish off by calculating our escape types:
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//
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unsigned char i = 'A';
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do
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{
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if(m_char_map[i] == 0)
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{
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if(::boost::re_detail::w32_is(this->m_locale, 0x0002u, (char)i))
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m_char_map[i] = regex_constants::escape_type_class;
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else if(::boost::re_detail::w32_is(this->m_locale, 0x0001u, (char)i))
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m_char_map[i] = regex_constants::escape_type_not_class;
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}
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}while(0xFF != i++);
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//
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// fill in lower case map:
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//
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char char_map[1 << CHAR_BIT];
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for(int ii = 0; ii < (1 << CHAR_BIT); ++ii)
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char_map[ii] = static_cast<char>(ii);
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#ifndef BOOST_NO_ANSI_APIS
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int r = ::LCMapStringA(this->m_locale, LCMAP_LOWERCASE, char_map, 1 << CHAR_BIT, this->m_lower_map, 1 << CHAR_BIT);
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BOOST_ASSERT(r != 0);
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#else
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UINT code_page = get_code_page_for_locale_id(this->m_locale);
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BOOST_ASSERT(code_page != 0);
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WCHAR wide_char_map[1 << CHAR_BIT];
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int conv_r = ::MultiByteToWideChar(code_page, 0, char_map, 1 << CHAR_BIT, wide_char_map, 1 << CHAR_BIT);
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BOOST_ASSERT(conv_r != 0);
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WCHAR wide_lower_map[1 << CHAR_BIT];
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int r = ::LCMapStringW(this->m_locale, LCMAP_LOWERCASE, wide_char_map, 1 << CHAR_BIT, wide_lower_map, 1 << CHAR_BIT);
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BOOST_ASSERT(r != 0);
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conv_r = ::WideCharToMultiByte(code_page, 0, wide_lower_map, r, this->m_lower_map, 1 << CHAR_BIT, NULL, NULL);
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BOOST_ASSERT(conv_r != 0);
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#endif
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if(r < (1 << CHAR_BIT))
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{
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// if we have multibyte characters then not all may have been given
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// a lower case mapping:
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for(int jj = r; jj < (1 << CHAR_BIT); ++jj)
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this->m_lower_map[jj] = static_cast<char>(jj);
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}
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#ifndef BOOST_NO_ANSI_APIS
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r = ::GetStringTypeExA(this->m_locale, CT_CTYPE1, char_map, 1 << CHAR_BIT, this->m_type_map);
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#else
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r = ::GetStringTypeExW(this->m_locale, CT_CTYPE1, wide_char_map, 1 << CHAR_BIT, this->m_type_map);
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#endif
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BOOST_ASSERT(0 != r);
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}
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BOOST_REGEX_DECL lcid_type BOOST_REGEX_CALL w32_get_default_locale()
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{
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return ::GetUserDefaultLCID();
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}
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BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is_lower(char c, lcid_type idx)
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{
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#ifndef BOOST_NO_ANSI_APIS
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WORD mask;
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if(::GetStringTypeExA(idx, CT_CTYPE1, &c, 1, &mask) && (mask & C1_LOWER))
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return true;
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return false;
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#else
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UINT code_page = get_code_page_for_locale_id(idx);
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if (code_page == 0)
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return false;
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WCHAR wide_c;
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if (::MultiByteToWideChar(code_page, 0, &c, 1, &wide_c, 1) == 0)
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return false;
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WORD mask;
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if(::GetStringTypeExW(idx, CT_CTYPE1, &wide_c, 1, &mask) && (mask & C1_LOWER))
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return true;
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return false;
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#endif
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}
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BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is_lower(wchar_t c, lcid_type idx)
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{
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WORD mask;
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if(::GetStringTypeExW(idx, CT_CTYPE1, &c, 1, &mask) && (mask & C1_LOWER))
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return true;
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return false;
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}
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#ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
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BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is_lower(unsigned short ca, lcid_type idx)
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{
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WORD mask;
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wchar_t c = ca;
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if(::GetStringTypeExW(idx, CT_CTYPE1, &c, 1, &mask) && (mask & C1_LOWER))
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return true;
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return false;
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}
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#endif
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BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is_upper(char c, lcid_type idx)
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{
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#ifndef BOOST_NO_ANSI_APIS
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WORD mask;
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if(::GetStringTypeExA(idx, CT_CTYPE1, &c, 1, &mask) && (mask & C1_UPPER))
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return true;
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return false;
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#else
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UINT code_page = get_code_page_for_locale_id(idx);
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if (code_page == 0)
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return false;
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WCHAR wide_c;
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if (::MultiByteToWideChar(code_page, 0, &c, 1, &wide_c, 1) == 0)
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return false;
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WORD mask;
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if(::GetStringTypeExW(idx, CT_CTYPE1, &wide_c, 1, &mask) && (mask & C1_UPPER))
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return true;
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return false;
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#endif
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}
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BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is_upper(wchar_t c, lcid_type idx)
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{
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WORD mask;
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if(::GetStringTypeExW(idx, CT_CTYPE1, &c, 1, &mask) && (mask & C1_UPPER))
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return true;
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return false;
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}
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#ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
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BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is_upper(unsigned short ca, lcid_type idx)
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{
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WORD mask;
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wchar_t c = ca;
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if(::GetStringTypeExW(idx, CT_CTYPE1, &c, 1, &mask) && (mask & C1_UPPER))
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return true;
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return false;
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}
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#endif
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void free_module(void* mod)
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{
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::FreeLibrary(static_cast<HMODULE>(mod));
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}
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BOOST_REGEX_DECL cat_type BOOST_REGEX_CALL w32_cat_open(const std::string& name)
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{
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#ifndef BOOST_NO_ANSI_APIS
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cat_type result(::LoadLibraryA(name.c_str()), &free_module);
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return result;
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#else
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LPWSTR wide_name = (LPWSTR)_alloca( (name.size() + 1) * sizeof(WCHAR) );
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if (::MultiByteToWideChar(CP_ACP, 0, name.c_str(), name.size(), wide_name, name.size() + 1) == 0)
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return cat_type();
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cat_type result(::LoadLibraryW(wide_name), &free_module);
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return result;
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#endif
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}
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BOOST_REGEX_DECL std::string BOOST_REGEX_CALL w32_cat_get(const cat_type& cat, lcid_type, int i, const std::string& def)
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{
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#ifndef BOOST_NO_ANSI_APIS
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char buf[256];
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if(0 == ::LoadStringA(
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static_cast<HMODULE>(cat.get()),
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i,
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buf,
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256
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))
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{
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return def;
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}
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#else
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WCHAR wbuf[256];
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int r = ::LoadStringW(
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static_cast<HMODULE>(cat.get()),
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i,
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wbuf,
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256
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);
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if (r == 0)
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return def;
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LPSTR buf = (LPSTR)_alloca( (r + 1) * 2 );
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if (::WideCharToMultiByte(CP_ACP, 0, wbuf, r, buf, (r + 1) * 2, NULL, NULL) == 0)
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return def;
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#endif
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return std::string(buf);
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}
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#ifndef BOOST_NO_WREGEX
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BOOST_REGEX_DECL std::wstring BOOST_REGEX_CALL w32_cat_get(const cat_type& cat, lcid_type, int i, const std::wstring& def)
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{
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wchar_t buf[256];
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if(0 == ::LoadStringW(
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static_cast<HMODULE>(cat.get()),
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i,
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buf,
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256
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))
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{
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return def;
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}
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return std::wstring(buf);
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}
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#ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
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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)
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{
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unsigned short buf[256];
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if(0 == ::LoadStringW(
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static_cast<HMODULE>(cat.get()),
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i,
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(LPWSTR)buf,
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256
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))
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{
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return def;
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}
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return std::basic_string<unsigned short>(buf);
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}
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#endif
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#endif
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BOOST_REGEX_DECL std::string BOOST_REGEX_CALL w32_transform(lcid_type idx, const char* p1, const char* p2)
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{
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#ifndef BOOST_NO_ANSI_APIS
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int bytes = ::LCMapStringA(
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idx, // locale identifier
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LCMAP_SORTKEY, // mapping transformation type
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p1, // source string
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static_cast<int>(p2 - p1), // number of characters in source string
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0, // destination buffer
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0 // size of destination buffer
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);
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if(!bytes)
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return std::string(p1, p2);
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std::string result(++bytes, '\0');
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bytes = ::LCMapStringA(
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idx, // locale identifier
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LCMAP_SORTKEY, // mapping transformation type
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p1, // source string
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static_cast<int>(p2 - p1), // number of characters in source string
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&*result.begin(), // destination buffer
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bytes // size of destination buffer
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);
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#else
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UINT code_page = get_code_page_for_locale_id(idx);
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if(code_page == 0)
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return std::string(p1, p2);
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int src_len = static_cast<int>(p2 - p1);
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LPWSTR wide_p1 = (LPWSTR)_alloca( (src_len + 1) * 2 );
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if(::MultiByteToWideChar(code_page, 0, p1, src_len, wide_p1, src_len + 1) == 0)
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return std::string(p1, p2);
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int bytes = ::LCMapStringW(
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idx, // locale identifier
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LCMAP_SORTKEY, // mapping transformation type
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wide_p1, // source string
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src_len, // number of characters in source string
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0, // destination buffer
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0 // size of destination buffer
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);
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if(!bytes)
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return std::string(p1, p2);
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std::string result(++bytes, '\0');
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bytes = ::LCMapStringW(
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idx, // locale identifier
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LCMAP_SORTKEY, // mapping transformation type
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wide_p1, // source string
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src_len, // number of characters in source string
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(LPWSTR)&*result.begin(), // destination buffer
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bytes // size of destination buffer
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);
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#endif
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if(bytes > static_cast<int>(result.size()))
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return std::string(p1, p2);
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while(result.size() && result[result.size()-1] == '\0')
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{
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result.erase(result.size()-1);
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}
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return result;
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}
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#ifndef BOOST_NO_WREGEX
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BOOST_REGEX_DECL std::wstring BOOST_REGEX_CALL w32_transform(lcid_type idx, const wchar_t* p1, const wchar_t* p2)
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{
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int bytes = ::LCMapStringW(
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idx, // locale identifier
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LCMAP_SORTKEY, // mapping transformation type
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p1, // source string
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static_cast<int>(p2 - p1), // number of characters in source string
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0, // destination buffer
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0 // size of destination buffer
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);
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if(!bytes)
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return std::wstring(p1, p2);
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std::string result(++bytes, '\0');
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bytes = ::LCMapStringW(
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idx, // locale identifier
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LCMAP_SORTKEY, // mapping transformation type
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p1, // source string
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static_cast<int>(p2 - p1), // number of characters in source string
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reinterpret_cast<wchar_t*>(&*result.begin()), // destination buffer *of bytes*
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bytes // size of destination buffer
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);
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if(bytes > static_cast<int>(result.size()))
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return std::wstring(p1, p2);
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while(result.size() && result[result.size()-1] == L'\0')
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{
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result.erase(result.size()-1);
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}
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std::wstring r2;
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for(std::string::size_type i = 0; i < result.size(); ++i)
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r2.append(1, static_cast<wchar_t>(static_cast<unsigned char>(result[i])));
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return r2;
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}
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#ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
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BOOST_REGEX_DECL std::basic_string<unsigned short> BOOST_REGEX_CALL w32_transform(lcid_type idx, const unsigned short* p1, const unsigned short* p2)
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{
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int bytes = ::LCMapStringW(
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idx, // locale identifier
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LCMAP_SORTKEY, // mapping transformation type
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(LPCWSTR)p1, // source string
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static_cast<int>(p2 - p1), // number of characters in source string
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0, // destination buffer
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0 // size of destination buffer
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);
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if(!bytes)
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return std::basic_string<unsigned short>(p1, p2);
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std::string result(++bytes, '\0');
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bytes = ::LCMapStringW(
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idx, // locale identifier
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LCMAP_SORTKEY, // mapping transformation type
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(LPCWSTR)p1, // source string
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static_cast<int>(p2 - p1), // number of characters in source string
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reinterpret_cast<wchar_t*>(&*result.begin()), // destination buffer *of bytes*
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bytes // size of destination buffer
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);
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if(bytes > static_cast<int>(result.size()))
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return std::basic_string<unsigned short>(p1, p2);
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while(result.size() && result[result.size()-1] == L'\0')
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{
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result.erase(result.size()-1);
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}
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std::basic_string<unsigned short> r2;
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for(std::string::size_type i = 0; i < result.size(); ++i)
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r2.append(1, static_cast<unsigned short>(static_cast<unsigned char>(result[i])));
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return r2;
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}
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#endif
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#endif
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BOOST_REGEX_DECL char BOOST_REGEX_CALL w32_tolower(char c, lcid_type idx)
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{
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char result[2];
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#ifndef BOOST_NO_ANSI_APIS
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int b = ::LCMapStringA(
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idx, // locale identifier
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LCMAP_LOWERCASE, // mapping transformation type
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&c, // source string
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1, // number of characters in source string
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result, // destination buffer
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1); // size of destination buffer
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if(b == 0)
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return c;
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#else
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UINT code_page = get_code_page_for_locale_id(idx);
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if (code_page == 0)
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return c;
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WCHAR wide_c;
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if (::MultiByteToWideChar(code_page, 0, &c, 1, &wide_c, 1) == 0)
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return c;
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WCHAR wide_result;
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int b = ::LCMapStringW(
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idx, // locale identifier
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LCMAP_LOWERCASE, // mapping transformation type
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&wide_c, // source string
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1, // number of characters in source string
|
|
&wide_result, // destination buffer
|
|
1); // size of destination buffer
|
|
if(b == 0)
|
|
return c;
|
|
|
|
if (::WideCharToMultiByte(code_page, 0, &wide_result, 1, result, 2, NULL, NULL) == 0)
|
|
return c;
|
|
#endif
|
|
return result[0];
|
|
}
|
|
|
|
#ifndef BOOST_NO_WREGEX
|
|
BOOST_REGEX_DECL wchar_t BOOST_REGEX_CALL w32_tolower(wchar_t c, lcid_type idx)
|
|
{
|
|
wchar_t result[2];
|
|
int b = ::LCMapStringW(
|
|
idx, // locale identifier
|
|
LCMAP_LOWERCASE, // mapping transformation type
|
|
&c, // source string
|
|
1, // number of characters in source string
|
|
result, // destination buffer
|
|
1); // size of destination buffer
|
|
if(b == 0)
|
|
return c;
|
|
return result[0];
|
|
}
|
|
#ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
|
|
BOOST_REGEX_DECL unsigned short BOOST_REGEX_CALL w32_tolower(unsigned short c, lcid_type idx)
|
|
{
|
|
wchar_t result[2];
|
|
int b = ::LCMapStringW(
|
|
idx, // locale identifier
|
|
LCMAP_LOWERCASE, // mapping transformation type
|
|
(wchar_t const*)&c, // source string
|
|
1, // number of characters in source string
|
|
result, // destination buffer
|
|
1); // size of destination buffer
|
|
if(b == 0)
|
|
return c;
|
|
return result[0];
|
|
}
|
|
#endif
|
|
#endif
|
|
BOOST_REGEX_DECL char BOOST_REGEX_CALL w32_toupper(char c, lcid_type idx)
|
|
{
|
|
char result[2];
|
|
#ifndef BOOST_NO_ANSI_APIS
|
|
int b = ::LCMapStringA(
|
|
idx, // locale identifier
|
|
LCMAP_UPPERCASE, // mapping transformation type
|
|
&c, // source string
|
|
1, // number of characters in source string
|
|
result, // destination buffer
|
|
1); // size of destination buffer
|
|
if(b == 0)
|
|
return c;
|
|
#else
|
|
UINT code_page = get_code_page_for_locale_id(idx);
|
|
if(code_page == 0)
|
|
return c;
|
|
|
|
WCHAR wide_c;
|
|
if (::MultiByteToWideChar(code_page, 0, &c, 1, &wide_c, 1) == 0)
|
|
return c;
|
|
|
|
WCHAR wide_result;
|
|
int b = ::LCMapStringW(
|
|
idx, // locale identifier
|
|
LCMAP_UPPERCASE, // mapping transformation type
|
|
&wide_c, // source string
|
|
1, // number of characters in source string
|
|
&wide_result, // destination buffer
|
|
1); // size of destination buffer
|
|
if(b == 0)
|
|
return c;
|
|
|
|
if (::WideCharToMultiByte(code_page, 0, &wide_result, 1, result, 2, NULL, NULL) == 0)
|
|
return c;
|
|
#endif
|
|
return result[0];
|
|
}
|
|
|
|
#ifndef BOOST_NO_WREGEX
|
|
BOOST_REGEX_DECL wchar_t BOOST_REGEX_CALL w32_toupper(wchar_t c, lcid_type idx)
|
|
{
|
|
wchar_t result[2];
|
|
int b = ::LCMapStringW(
|
|
idx, // locale identifier
|
|
LCMAP_UPPERCASE, // mapping transformation type
|
|
&c, // source string
|
|
1, // number of characters in source string
|
|
result, // destination buffer
|
|
1); // size of destination buffer
|
|
if(b == 0)
|
|
return c;
|
|
return result[0];
|
|
}
|
|
#ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
|
|
BOOST_REGEX_DECL unsigned short BOOST_REGEX_CALL w32_toupper(unsigned short c, lcid_type idx)
|
|
{
|
|
wchar_t result[2];
|
|
int b = ::LCMapStringW(
|
|
idx, // locale identifier
|
|
LCMAP_UPPERCASE, // mapping transformation type
|
|
(wchar_t const*)&c, // source string
|
|
1, // number of characters in source string
|
|
result, // destination buffer
|
|
1); // size of destination buffer
|
|
if(b == 0)
|
|
return c;
|
|
return result[0];
|
|
}
|
|
#endif
|
|
#endif
|
|
BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is(lcid_type idx, boost::uint32_t m, char c)
|
|
{
|
|
WORD mask;
|
|
#ifndef BOOST_NO_ANSI_APIS
|
|
if(::GetStringTypeExA(idx, CT_CTYPE1, &c, 1, &mask) && (mask & m & w32_regex_traits_implementation<char>::mask_base))
|
|
return true;
|
|
#else
|
|
UINT code_page = get_code_page_for_locale_id(idx);
|
|
if(code_page == 0)
|
|
return false;
|
|
|
|
WCHAR wide_c;
|
|
if (::MultiByteToWideChar(code_page, 0, &c, 1, &wide_c, 1) == 0)
|
|
return false;
|
|
|
|
if(::GetStringTypeExW(idx, CT_CTYPE1, &wide_c, 1, &mask) && (mask & m & w32_regex_traits_implementation<char>::mask_base))
|
|
return true;
|
|
#endif
|
|
if((m & w32_regex_traits_implementation<char>::mask_word) && (c == '_'))
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
#ifndef BOOST_NO_WREGEX
|
|
BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is(lcid_type idx, boost::uint32_t m, wchar_t c)
|
|
{
|
|
WORD mask;
|
|
if(::GetStringTypeExW(idx, CT_CTYPE1, &c, 1, &mask) && (mask & m & w32_regex_traits_implementation<wchar_t>::mask_base))
|
|
return true;
|
|
if((m & w32_regex_traits_implementation<wchar_t>::mask_word) && (c == '_'))
|
|
return true;
|
|
if((m & w32_regex_traits_implementation<wchar_t>::mask_unicode) && (c > 0xff))
|
|
return true;
|
|
return false;
|
|
}
|
|
#ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
|
|
BOOST_REGEX_DECL bool BOOST_REGEX_CALL w32_is(lcid_type idx, boost::uint32_t m, unsigned short c)
|
|
{
|
|
WORD mask;
|
|
if(::GetStringTypeExW(idx, CT_CTYPE1, (wchar_t const*)&c, 1, &mask) && (mask & m & w32_regex_traits_implementation<wchar_t>::mask_base))
|
|
return true;
|
|
if((m & w32_regex_traits_implementation<wchar_t>::mask_word) && (c == '_'))
|
|
return true;
|
|
if((m & w32_regex_traits_implementation<wchar_t>::mask_unicode) && (c > 0xff))
|
|
return true;
|
|
return false;
|
|
}
|
|
#endif
|
|
#endif
|
|
|
|
} // re_detail
|
|
} // boost
|
|
|
|
#endif
|
|
|