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/////////////////////////////////////////////////////////////////////////////// // c_ctype.hpp // // Copyright 2008 Eric Niebler. Distributed under the Boost // Software License, Version 1.0. (See accompanying file // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) #ifndef BOOST_XPRESSIVE_TRAITS_DETAIL_C_CTYPE_HPP_EAN_10_04_2005 #define BOOST_XPRESSIVE_TRAITS_DETAIL_C_CTYPE_HPP_EAN_10_04_2005 // MS compatible compilers support #pragma once #if defined(_MSC_VER) # pragma once #endif #include <cctype> #include <cstring> #include <boost/mpl/assert.hpp> #include <boost/xpressive/detail/detail_fwd.hpp> #ifndef BOOST_XPRESSIVE_NO_WREGEX # include <cwchar> # include <cwctype> #endif namespace boost { namespace xpressive { namespace detail { /////////////////////////////////////////////////////////////////////////////// // isnewline // inline bool isnewline(char ch) { switch(ch) { case L'\n': case L'\r': case L'\f': return true; default: return false; } } /////////////////////////////////////////////////////////////////////////////// // iswnewline // inline bool iswnewline(wchar_t ch) { switch(ch) { case L'\n': case L'\r': case L'\f': case 0x2028u: case 0x2029u: case 0x85u: return true; default: return false; } } /////////////////////////////////////////////////////////////////////////////// // classname_a // template<typename FwdIter> inline std::string classname_a(FwdIter begin, FwdIter end) { std::string name(begin, end); for(std::size_t i = 0; i < name.size(); ++i) { using namespace std; name[i] = static_cast<char>(tolower(static_cast<unsigned char>(name[i]))); } return name; } #ifndef BOOST_XPRESSIVE_NO_WREGEX /////////////////////////////////////////////////////////////////////////////// // classname_w // template<typename FwdIter> inline std::wstring classname_w(FwdIter begin, FwdIter end) { std::wstring name(begin, end); for(std::size_t i = 0; i < name.size(); ++i) { using namespace std; name[i] = towlower(name[i]); } return name; } #endif /////////////////////////////////////////////////////////////////////////////// // char_class_impl // template<typename Char> struct char_class_impl; #if defined(__QNXNTO__) || defined(__VXWORKS__) /////////////////////////////////////////////////////////////////////////////// // template<> struct char_class_impl<char> { typedef short char_class_type; BOOST_MPL_ASSERT_RELATION(0x07FF, ==, (_XB|_XA|_XS|_BB|_CN|_DI|_LO|_PU|_SP|_UP|_XD)); BOOST_STATIC_CONSTANT(short, char_class_underscore = 0x1000); BOOST_STATIC_CONSTANT(short, char_class_newline = 0x2000); template<typename FwdIter> static char_class_type lookup_classname(FwdIter begin, FwdIter end, bool icase) { using namespace std; string const name = classname_a(begin, end); if(name == "alnum") return _DI|_LO|_UP|_XA; if(name == "alpha") return _LO|_UP|_XA; if(name == "blank") return _SP|_XB; if(name == "cntrl") return _BB; if(name == "d") return _DI; if(name == "digit") return _DI; if(name == "graph") return _DI|_LO|_PU|_UP|_XA; if(name == "lower") return icase ? (_LO|_UP) : _LO; if(name == "newline") return char_class_newline; if(name == "print") return _DI|_LO|_PU|_SP|_UP|_XA; if(name == "punct") return _PU; if(name == "s") return _CN|_SP|_XS; if(name == "space") return _CN|_SP|_XS; if(name == "upper") return icase ? (_UP|_LO) : _UP; if(name == "w") return _DI|_LO|_UP|_XA|char_class_underscore; if(name == "xdigit") return _XD; return 0; } static bool isctype(char ch, char_class_type mask) { using namespace std; if(0 != (_Getchrtype((unsigned char)ch) & mask)) { return true; } switch(ch) { case '_': return 0 != (mask & char_class_underscore); case '\n': case '\r': case '\f': return 0 != (mask & char_class_newline); default:; } return false; } }; #ifndef BOOST_XPRESSIVE_NO_WREGEX /////////////////////////////////////////////////////////////////////////////// // template<> struct char_class_impl<wchar_t> { typedef int char_class_type; //BOOST_STATIC_CONSTANT(int, char_class_alnum = 0x0001); BOOST_STATIC_CONSTANT(int, char_class_alpha = 0x0002); BOOST_STATIC_CONSTANT(int, char_class_blank = 0x0004); BOOST_STATIC_CONSTANT(int, char_class_cntrl = 0x0008); BOOST_STATIC_CONSTANT(int, char_class_digit = 0x0010); //BOOST_STATIC_CONSTANT(int, char_class_graph = 0x0020); BOOST_STATIC_CONSTANT(int, char_class_lower = 0x0040); //BOOST_STATIC_CONSTANT(int, char_class_print = 0x0080); BOOST_STATIC_CONSTANT(int, char_class_punct = 0x0100); BOOST_STATIC_CONSTANT(int, char_class_space = 0x0200); BOOST_STATIC_CONSTANT(int, char_class_upper = 0x0400); BOOST_STATIC_CONSTANT(int, char_class_underscore = 0x0800); BOOST_STATIC_CONSTANT(int, char_class_xdigit = 0x1000); BOOST_STATIC_CONSTANT(int, char_class_newline = 0x2000); template<typename FwdIter> static char_class_type lookup_classname(FwdIter begin, FwdIter end, bool icase) { using namespace std; wstring const name = classname_w(begin, end); if(name == L"alnum") return char_class_alpha|char_class_digit; if(name == L"alpha") return char_class_alpha; if(name == L"blank") return char_class_blank; if(name == L"cntrl") return char_class_cntrl; if(name == L"d") return char_class_digit; if(name == L"digit") return char_class_digit; if(name == L"graph") return char_class_punct|char_class_alpha|char_class_digit; if(name == L"lower") return icase ? (char_class_lower|char_class_upper) : char_class_lower; if(name == L"newline") return char_class_newline; if(name == L"print") return char_class_blank|char_class_punct|char_class_alpha|char_class_digit; if(name == L"punct") return char_class_punct; if(name == L"s") return char_class_space; if(name == L"space") return char_class_space; if(name == L"upper") return icase ? (char_class_upper|char_class_lower) : char_class_upper; if(name == L"w") return char_class_alpha|char_class_digit|char_class_underscore; if(name == L"xdigit") return char_class_xdigit; return 0; } static bool isctype(wchar_t ch, char_class_type mask) { using namespace std; return ((char_class_alpha & mask) && iswalpha(ch)) || ((char_class_blank & mask) && (L' ' == ch || L'\t' == ch)) // BUGBUG || ((char_class_cntrl & mask) && iswcntrl(ch)) || ((char_class_digit & mask) && iswdigit(ch)) || ((char_class_lower & mask) && iswlower(ch)) || ((char_class_newline & mask) && detail::iswnewline(ch)) || ((char_class_punct & mask) && iswpunct(ch)) || ((char_class_space & mask) && iswspace(ch)) || ((char_class_upper & mask) && iswupper(ch)) || ((char_class_underscore & mask) && L'_' == ch) || ((char_class_xdigit & mask) && iswxdigit(ch)) ; } }; #endif #elif defined(__MINGW32_VERSION) /////////////////////////////////////////////////////////////////////////////// // template<> struct char_class_impl<char> { typedef int char_class_type; BOOST_MPL_ASSERT_RELATION(0x81FF, ==, (_ALPHA|_UPPER|_LOWER|_DIGIT|_SPACE|_PUNCT|_CONTROL|_BLANK|_HEX|_LEADBYTE)); BOOST_STATIC_CONSTANT(int, char_class_underscore = 0x1000); BOOST_STATIC_CONSTANT(int, char_class_newline = 0x2000); template<typename FwdIter> static char_class_type lookup_classname(FwdIter begin, FwdIter end, bool icase) { using namespace std; string const name = classname_a(begin, end); if(name == "alnum") return _ALPHA|_DIGIT; if(name == "alpha") return _ALPHA; if(name == "blank") return _BLANK; // this is ONLY space!!! if(name == "cntrl") return _CONTROL; if(name == "d") return _DIGIT; if(name == "digit") return _DIGIT; if(name == "graph") return _PUNCT|_ALPHA|_DIGIT; if(name == "lower") return icase ? (_LOWER|_UPPER) : _LOWER; if(name == "newline") return char_class_newline; if(name == "print") return _BLANK|_PUNCT|_ALPHA|_DIGIT; if(name == "punct") return _PUNCT; if(name == "s") return _SPACE; if(name == "space") return _SPACE; if(name == "upper") return icase ? (_UPPER|_LOWER) : _UPPER; if(name == "w") return _ALPHA|_DIGIT|char_class_underscore; if(name == "xdigit") return _HEX; return 0; } static bool isctype(char ch, char_class_type mask) { using namespace std; if(0 != _isctype(static_cast<unsigned char>(ch), mask)) { return true; } switch(ch) { case '\t': return 0 != (mask & _BLANK); case '_': return 0 != (mask & char_class_underscore); case '\n': case '\r': case '\f': return 0 != (mask & char_class_newline); default:; } return false; } }; #ifndef BOOST_XPRESSIVE_NO_WREGEX /////////////////////////////////////////////////////////////////////////////// // template<> struct char_class_impl<wchar_t> { typedef wctype_t char_class_type; BOOST_MPL_ASSERT_RELATION(0x81FF, ==, (_ALPHA|_UPPER|_LOWER|_DIGIT|_SPACE|_PUNCT|_CONTROL|_BLANK|_HEX|_LEADBYTE)); BOOST_STATIC_CONSTANT(int, char_class_underscore = 0x1000); BOOST_STATIC_CONSTANT(int, char_class_newline = 0x2000); template<typename FwdIter> static char_class_type lookup_classname(FwdIter begin, FwdIter end, bool icase) { using namespace std; wstring const name = classname_w(begin, end); if(name == L"alnum") return _ALPHA|_DIGIT; if(name == L"alpha") return _ALPHA; if(name == L"blank") return _BLANK; // this is ONLY space!!! if(name == L"cntrl") return _CONTROL; if(name == L"d") return _DIGIT; if(name == L"digit") return _DIGIT; if(name == L"graph") return _PUNCT|_ALPHA|_DIGIT; if(name == L"lower") return icase ? (_LOWER|_UPPER) : _LOWER; if(name == L"newline") return char_class_newline; if(name == L"print") return _BLANK|_PUNCT|_ALPHA|_DIGIT; if(name == L"punct") return _PUNCT; if(name == L"s") return _SPACE; if(name == L"space") return _SPACE; if(name == L"upper") return icase ? (_UPPER|_LOWER) : _UPPER; if(name == L"w") return _ALPHA|_DIGIT|char_class_underscore; if(name == L"xdigit") return _HEX; return 0; } static bool isctype(wchar_t ch, char_class_type mask) { using namespace std; if(0 != iswctype(ch, mask)) { return true; } switch(ch) { case L'\t': return 0 != (mask & _BLANK); case L'_': return 0 != (mask & char_class_underscore); case L'\n': case L'\r': case L'\f': case 0x2028u: case 0x2029u: case 0x85u: return 0 != (mask & char_class_newline); default:; } return false; } }; #endif #elif defined(__CYGWIN__) /////////////////////////////////////////////////////////////////////////////// // template<> struct char_class_impl<char> { typedef int char_class_type; BOOST_MPL_ASSERT_RELATION(0377, ==, (_U|_L|_N|_S|_P|_C|_B|_X)); BOOST_STATIC_CONSTANT(int, char_class_underscore = 0400); BOOST_STATIC_CONSTANT(int, char_class_newline = 01000); template<typename FwdIter> static char_class_type lookup_classname(FwdIter begin, FwdIter end, bool icase) { using namespace std; string const name = classname_a(begin, end); if(name == "alnum") return _U|_L|_N; if(name == "alpha") return _U|_L; if(name == "blank") return _B; // BUGBUG what is this? if(name == "cntrl") return _C; if(name == "d") return _N; if(name == "digit") return _N; if(name == "graph") return _P|_U|_L|_N; if(name == "lower") return icase ? (_L|_U) : _L; if(name == "newline") return char_class_newline; if(name == "print") return _B|_P|_U|_L|_N; if(name == "punct") return _P; if(name == "s") return _S; if(name == "space") return _S; if(name == "upper") return icase ? (_U|_L) : _U; if(name == "w") return _U|_L|_N|char_class_underscore; if(name == "xdigit") return _X; return 0; } static bool isctype(char ch, char_class_type mask) { if(0 != static_cast<unsigned char>(((_ctype_+1)[(unsigned)(ch)]) & mask)) { return true; } switch(ch) { case '_': return 0 != (mask & char_class_underscore); case '\n': case '\r': case '\f': return 0 != (mask & char_class_newline); default:; } return false; } }; #ifndef BOOST_XPRESSIVE_NO_WREGEX /////////////////////////////////////////////////////////////////////////////// // template<> struct char_class_impl<wchar_t> { typedef int char_class_type; //BOOST_STATIC_CONSTANT(int, char_class_alnum = 0x0001); BOOST_STATIC_CONSTANT(int, char_class_alpha = 0x0002); BOOST_STATIC_CONSTANT(int, char_class_blank = 0x0004); BOOST_STATIC_CONSTANT(int, char_class_cntrl = 0x0008); BOOST_STATIC_CONSTANT(int, char_class_digit = 0x0010); //BOOST_STATIC_CONSTANT(int, char_class_graph = 0x0020); BOOST_STATIC_CONSTANT(int, char_class_lower = 0x0040); //BOOST_STATIC_CONSTANT(int, char_class_print = 0x0080); BOOST_STATIC_CONSTANT(int, char_class_punct = 0x0100); BOOST_STATIC_CONSTANT(int, char_class_space = 0x0200); BOOST_STATIC_CONSTANT(int, char_class_upper = 0x0400); BOOST_STATIC_CONSTANT(int, char_class_underscore = 0x0800); BOOST_STATIC_CONSTANT(int, char_class_xdigit = 0x1000); BOOST_STATIC_CONSTANT(int, char_class_newline = 0x2000); template<typename FwdIter> static char_class_type lookup_classname(FwdIter begin, FwdIter end, bool icase) { using namespace std; wstring const name = classname_w(begin, end); if(name == L"alnum") return char_class_alpha|char_class_digit; if(name == L"alpha") return char_class_alpha; if(name == L"blank") return char_class_blank; if(name == L"cntrl") return char_class_cntrl; if(name == L"d") return char_class_digit; if(name == L"digit") return char_class_digit; if(name == L"graph") return char_class_punct|char_class_alpha|char_class_digit; if(name == L"lower") return icase ? (char_class_lower|char_class_upper) : char_class_lower; if(name == L"newline") return char_class_newline; if(name == L"print") return char_class_blank|char_class_punct|char_class_alpha|char_class_digit; if(name == L"punct") return char_class_punct; if(name == L"s") return char_class_space; if(name == L"space") return char_class_space; if(name == L"upper") return icase ? (char_class_upper|char_class_lower) : char_class_upper; if(name == L"w") return char_class_alpha|char_class_digit|char_class_underscore; if(name == L"xdigit") return char_class_xdigit; return 0; } static bool isctype(wchar_t ch, char_class_type mask) { using namespace std; return ((char_class_alpha & mask) && iswalpha(ch)) || ((char_class_blank & mask) && (L' ' == ch || L'\t' == ch)) // BUGBUG || ((char_class_cntrl & mask) && iswcntrl(ch)) || ((char_class_digit & mask) && iswdigit(ch)) || ((char_class_lower & mask) && iswlower(ch)) || ((char_class_newline & mask) && detail::iswnewline(ch)) || ((char_class_punct & mask) && iswpunct(ch)) || ((char_class_space & mask) && iswspace(ch)) || ((char_class_upper & mask) && iswupper(ch)) || ((char_class_underscore & mask) && L'_' == ch) || ((char_class_xdigit & mask) && iswxdigit(ch)) ; } }; #endif #elif defined(__GLIBC__) /////////////////////////////////////////////////////////////////////////////// // template<> struct char_class_impl<char> { typedef int char_class_type; BOOST_MPL_ASSERT_RELATION(0xffff, ==, (_ISalnum|_ISalpha|_ISblank|_IScntrl|_ISdigit|_ISgraph| _ISlower|_ISprint|_ISpunct|_ISspace|_ISupper|_ISxdigit|0xffff)); BOOST_STATIC_CONSTANT(int, char_class_underscore = 0x00010000); BOOST_STATIC_CONSTANT(int, char_class_newline = 0x00020000); template<typename FwdIter> static char_class_type lookup_classname(FwdIter begin, FwdIter end, bool icase) { using namespace std; string const name = classname_a(begin, end); if(name == "alnum") return _ISalnum; if(name == "alpha") return _ISalpha; if(name == "blank") return _ISblank; if(name == "cntrl") return _IScntrl; if(name == "d") return _ISdigit; if(name == "digit") return _ISdigit; if(name == "graph") return _ISgraph; if(name == "lower") return icase ? (_ISlower|_ISupper) : _ISlower; if(name == "print") return _ISprint; if(name == "newline") return char_class_newline; if(name == "punct") return _ISpunct; if(name == "s") return _ISspace; if(name == "space") return _ISspace; if(name == "upper") return icase ? (_ISupper|_ISlower) : _ISupper; if(name == "w") return _ISalnum|char_class_underscore; if(name == "xdigit") return _ISxdigit; return 0; } static bool isctype(char ch, char_class_type mask) { if(glibc_isctype(ch, mask)) { return true; } switch(ch) { case '_': return 0 != (mask & char_class_underscore); case '\n': case '\r': case '\f': return 0 != (mask & char_class_newline); default:; } return false; } static bool glibc_isctype(char ch, char_class_type mask) { #ifdef __isctype return 0 != __isctype(ch, mask); #else return 0 != ((*__ctype_b_loc())[(int)(ch)] & (unsigned short int)mask); #endif } }; #ifndef BOOST_XPRESSIVE_NO_WREGEX /////////////////////////////////////////////////////////////////////////////// // template<> struct char_class_impl<wchar_t> { typedef int char_class_type; //BOOST_STATIC_CONSTANT(int, char_class_alnum = 0x0001); BOOST_STATIC_CONSTANT(int, char_class_alpha = 0x0002); BOOST_STATIC_CONSTANT(int, char_class_blank = 0x0004); BOOST_STATIC_CONSTANT(int, char_class_cntrl = 0x0008); BOOST_STATIC_CONSTANT(int, char_class_digit = 0x0010); //BOOST_STATIC_CONSTANT(int, char_class_graph = 0x0020); BOOST_STATIC_CONSTANT(int, char_class_lower = 0x0040); //BOOST_STATIC_CONSTANT(int, char_class_print = 0x0080); BOOST_STATIC_CONSTANT(int, char_class_punct = 0x0100); BOOST_STATIC_CONSTANT(int, char_class_space = 0x0200); BOOST_STATIC_CONSTANT(int, char_class_upper = 0x0400); BOOST_STATIC_CONSTANT(int, char_class_underscore = 0x0800); BOOST_STATIC_CONSTANT(int, char_class_xdigit = 0x1000); BOOST_STATIC_CONSTANT(int, char_class_newline = 0x2000); template<typename FwdIter> static char_class_type lookup_classname(FwdIter begin, FwdIter end, bool icase) { using namespace std; wstring const name = classname_w(begin, end); if(name == L"alnum") return char_class_alpha|char_class_digit; if(name == L"alpha") return char_class_alpha; if(name == L"blank") return char_class_blank; if(name == L"cntrl") return char_class_cntrl; if(name == L"d") return char_class_digit; if(name == L"digit") return char_class_digit; if(name == L"graph") return char_class_punct|char_class_alpha|char_class_digit; if(name == L"lower") return icase ? (char_class_lower|char_class_upper) : char_class_lower; if(name == L"newline") return char_class_newline; if(name == L"print") return char_class_blank|char_class_punct|char_class_alpha|char_class_digit; if(name == L"punct") return char_class_punct; if(name == L"s") return char_class_space; if(name == L"space") return char_class_space; if(name == L"upper") return icase ? (char_class_upper|char_class_lower) : char_class_upper; if(name == L"w") return char_class_alpha|char_class_digit|char_class_underscore; if(name == L"xdigit") return char_class_xdigit; return 0; } static bool isctype(wchar_t ch, char_class_type mask) { using namespace std; return ((char_class_alpha & mask) && iswalpha(ch)) || ((char_class_blank & mask) && (L' ' == ch || L'\t' == ch)) // BUGBUG || ((char_class_cntrl & mask) && iswcntrl(ch)) || ((char_class_digit & mask) && iswdigit(ch)) || ((char_class_lower & mask) && iswlower(ch)) || ((char_class_newline & mask) && detail::iswnewline(ch)) || ((char_class_punct & mask) && iswpunct(ch)) || ((char_class_space & mask) && iswspace(ch)) || ((char_class_upper & mask) && iswupper(ch)) || ((char_class_underscore & mask) && L'_' == ch) || ((char_class_xdigit & mask) && iswxdigit(ch)) ; } }; #endif #elif defined(_CPPLIB_VER) // Dinkumware STL /////////////////////////////////////////////////////////////////////////////// // template<> struct char_class_impl<char> { typedef int char_class_type; BOOST_MPL_ASSERT_RELATION(0x81FF, ==, (_ALPHA|_UPPER|_LOWER|_DIGIT|_SPACE|_PUNCT|_CONTROL|_BLANK|_HEX|_LEADBYTE)); BOOST_STATIC_CONSTANT(int, char_class_underscore = 0x1000); BOOST_STATIC_CONSTANT(int, char_class_newline = 0x2000); template<typename FwdIter> static char_class_type lookup_classname(FwdIter begin, FwdIter end, bool icase) { using namespace std; string const name = classname_a(begin, end); if(name == "alnum") return _ALPHA|_DIGIT; if(name == "alpha") return _ALPHA; if(name == "blank") return _BLANK; // this is ONLY space!!! if(name == "cntrl") return _CONTROL; if(name == "d") return _DIGIT; if(name == "digit") return _DIGIT; if(name == "graph") return _PUNCT|_ALPHA|_DIGIT; if(name == "lower") return icase ? (_LOWER|_UPPER) : _LOWER; if(name == "newline") return char_class_newline; if(name == "print") return _BLANK|_PUNCT|_ALPHA|_DIGIT; if(name == "punct") return _PUNCT; if(name == "s") return _SPACE; if(name == "space") return _SPACE; if(name == "upper") return icase ? (_UPPER|_LOWER) : _UPPER; if(name == "w") return _ALPHA|_DIGIT|char_class_underscore; if(name == "xdigit") return _HEX; return 0; } static bool isctype(char ch, char_class_type mask) { using namespace std; if(0 != _isctype(static_cast<unsigned char>(ch), mask)) { return true; } switch(ch) { case '\t': return 0 != (mask & _BLANK); case '_': return 0 != (mask & char_class_underscore); case '\n': case '\r': case '\f': return 0 != (mask & char_class_newline); default:; } return false; } }; #ifndef BOOST_XPRESSIVE_NO_WREGEX /////////////////////////////////////////////////////////////////////////////// // template<> struct char_class_impl<wchar_t> { typedef wctype_t char_class_type; BOOST_MPL_ASSERT_RELATION(0x81FF, ==, (_ALPHA|_UPPER|_LOWER|_DIGIT|_SPACE|_PUNCT|_CONTROL|_BLANK|_HEX|_LEADBYTE)); BOOST_STATIC_CONSTANT(int, char_class_underscore = 0x1000); BOOST_STATIC_CONSTANT(int, char_class_newline = 0x2000); template<typename FwdIter> static char_class_type lookup_classname(FwdIter begin, FwdIter end, bool icase) { using namespace std; wstring const name = classname_w(begin, end); if(name == L"alnum") return _ALPHA|_DIGIT; if(name == L"alpha") return _ALPHA; if(name == L"blank") return _BLANK; // this is ONLY space!!! if(name == L"cntrl") return _CONTROL; if(name == L"d") return _DIGIT; if(name == L"digit") return _DIGIT; if(name == L"graph") return _PUNCT|_ALPHA|_DIGIT; if(name == L"lower") return icase ? _LOWER|_UPPER : _LOWER; if(name == L"newline") return char_class_newline; if(name == L"print") return _BLANK|_PUNCT|_ALPHA|_DIGIT; if(name == L"punct") return _PUNCT; if(name == L"s") return _SPACE; if(name == L"space") return _SPACE; if(name == L"upper") return icase ? _UPPER|_LOWER : _UPPER; if(name == L"w") return _ALPHA|_DIGIT|char_class_underscore; if(name == L"xdigit") return _HEX; return 0; } static bool isctype(wchar_t ch, char_class_type mask) { using namespace std; if(0 != iswctype(ch, mask)) { return true; } switch(ch) { case L'\t': return 0 != (mask & _BLANK); case L'_': return 0 != (mask & char_class_underscore); case L'\n': case L'\r': case L'\f': case 0x2028u: case 0x2029u: case 0x85u: return 0 != (mask & char_class_newline); default:; } return false; } }; #endif #else // unknown, use portable implementation /////////////////////////////////////////////////////////////////////////////// // template<> struct char_class_impl<char> { typedef int char_class_type; //BOOST_STATIC_CONSTANT(int, char_class_alnum = 0x0001); BOOST_STATIC_CONSTANT(int, char_class_alpha = 0x0002); BOOST_STATIC_CONSTANT(int, char_class_blank = 0x0004); BOOST_STATIC_CONSTANT(int, char_class_cntrl = 0x0008); BOOST_STATIC_CONSTANT(int, char_class_digit = 0x0010); //BOOST_STATIC_CONSTANT(int, char_class_graph = 0x0020); BOOST_STATIC_CONSTANT(int, char_class_lower = 0x0040); //BOOST_STATIC_CONSTANT(int, char_class_print = 0x0080); BOOST_STATIC_CONSTANT(int, char_class_punct = 0x0100); BOOST_STATIC_CONSTANT(int, char_class_space = 0x0200); BOOST_STATIC_CONSTANT(int, char_class_upper = 0x0400); BOOST_STATIC_CONSTANT(int, char_class_underscore = 0x0800); BOOST_STATIC_CONSTANT(int, char_class_xdigit = 0x1000); BOOST_STATIC_CONSTANT(int, char_class_newline = 0x2000); template<typename FwdIter> static char_class_type lookup_classname(FwdIter begin, FwdIter end, bool icase) { using namespace std; string const name = classname_a(begin, end); if(name == "alnum") return char_class_alpha|char_class_digit; if(name == "alpha") return char_class_alpha; if(name == "blank") return char_class_blank; if(name == "cntrl") return char_class_cntrl; if(name == "d") return char_class_digit; if(name == "digit") return char_class_digit; if(name == "graph") return char_class_punct|char_class_alpha|char_class_digit; if(name == "lower") return icase ? (char_class_lower|char_class_upper) : char_class_lower; if(name == "newline") return char_class_newline; if(name == "print") return char_class_blank|char_class_punct|char_class_alpha|char_class_digit; if(name == "punct") return char_class_punct; if(name == "s") return char_class_space; if(name == "space") return char_class_space; if(name == "upper") return icase ? (char_class_upper|char_class_lower) : char_class_upper; if(name == "w") return char_class_alpha|char_class_digit|char_class_underscore; if(name == "xdigit") return char_class_xdigit; return 0; } static bool isctype(char ch, char_class_type mask) { using namespace std; unsigned char uch = static_cast<unsigned char>(ch); return ((char_class_alpha & mask) && isalpha(uch)) || ((char_class_blank & mask) && (' ' == ch || '\t' == ch)) // BUGBUG || ((char_class_cntrl & mask) && iscntrl(uch)) || ((char_class_digit & mask) && isdigit(uch)) || ((char_class_lower & mask) && islower(uch)) || ((char_class_newline & mask) && detail::isnewline(ch)) || ((char_class_punct & mask) && ispunct(uch)) || ((char_class_space & mask) && isspace(uch)) || ((char_class_upper & mask) && isupper(uch)) || ((char_class_underscore & mask) && '_' == ch) || ((char_class_xdigit & mask) && isxdigit(uch)) ; } }; #ifndef BOOST_XPRESSIVE_NO_WREGEX /////////////////////////////////////////////////////////////////////////////// // template<> struct char_class_impl<wchar_t> { typedef int char_class_type; //BOOST_STATIC_CONSTANT(int, char_class_alnum = 0x0001); BOOST_STATIC_CONSTANT(int, char_class_alpha = 0x0002); BOOST_STATIC_CONSTANT(int, char_class_blank = 0x0004); BOOST_STATIC_CONSTANT(int, char_class_cntrl = 0x0008); BOOST_STATIC_CONSTANT(int, char_class_digit = 0x0010); //BOOST_STATIC_CONSTANT(int, char_class_graph = 0x0020); BOOST_STATIC_CONSTANT(int, char_class_lower = 0x0040); //BOOST_STATIC_CONSTANT(int, char_class_print = 0x0080); BOOST_STATIC_CONSTANT(int, char_class_punct = 0x0100); BOOST_STATIC_CONSTANT(int, char_class_space = 0x0200); BOOST_STATIC_CONSTANT(int, char_class_upper = 0x0400); BOOST_STATIC_CONSTANT(int, char_class_underscore = 0x0800); BOOST_STATIC_CONSTANT(int, char_class_xdigit = 0x1000); BOOST_STATIC_CONSTANT(int, char_class_newline = 0x2000); template<typename FwdIter> static char_class_type lookup_classname(FwdIter begin, FwdIter end, bool icase) { using namespace std; wstring const name = classname_w(begin, end); if(name == L"alnum") return char_class_alpha|char_class_digit; if(name == L"alpha") return char_class_alpha; if(name == L"blank") return char_class_blank; if(name == L"cntrl") return char_class_cntrl; if(name == L"d") return char_class_digit; if(name == L"digit") return char_class_digit; if(name == L"graph") return char_class_punct|char_class_alpha|char_class_digit; if(name == L"newline") return char_class_newline; if(name == L"lower") return icase ? (char_class_lower|char_class_upper) : char_class_lower; if(name == L"print") return char_class_blank|char_class_punct|char_class_alpha|char_class_digit; if(name == L"punct") return char_class_punct; if(name == L"s") return char_class_space; if(name == L"space") return char_class_space; if(name == L"upper") return icase ? (char_class_upper|char_class_lower) : char_class_upper; if(name == L"w") return char_class_alpha|char_class_digit|char_class_underscore; if(name == L"xdigit") return char_class_xdigit; return 0; } static bool isctype(wchar_t ch, char_class_type mask) { using namespace std; return ((char_class_alpha & mask) && iswalpha(ch)) || ((char_class_blank & mask) && (L' ' == ch || L'\t' == ch)) // BUGBUG || ((char_class_cntrl & mask) && iswcntrl(ch)) || ((char_class_digit & mask) && iswdigit(ch)) || ((char_class_lower & mask) && iswlower(ch)) || ((char_class_newline & mask) && detail::iswnewline(ch)) || ((char_class_punct & mask) && iswpunct(ch)) || ((char_class_space & mask) && iswspace(ch)) || ((char_class_upper & mask) && iswupper(ch)) || ((char_class_underscore & mask) && L'_' == ch) || ((char_class_xdigit & mask) && iswxdigit(ch)) ; } }; #endif #endif }}} // namespace boost::xpressive::detail #endif
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