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