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/*
*
* Copyright (c) 2016
* John Maddock
*
* Use, modification and distribution are subject to 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)
*
*/
#include <boost/config.hpp>
#ifndef BOOST_NO_CXX11_CHAR32_T
#include <cstddef>
namespace boost {
std::size_t hash_value(char32_t const& c) { return c; }
}
#include <boost/regex.hpp>
struct char32_traits
{
typedef char32_t char_type;
typedef std::size_t size_type;
typedef std::vector<char32_t> string_type;
typedef int locale_type; // not used
typedef unsigned char_class_type;
static size_type length(const char32_t* p)
{
size_type result = 0;
while(*p)
{
++p;
++result;
}
return result;
}
static char_type translate(char_type c) { return c; }
static char_type translate_nocase(char_type c) { return c; }
static string_type transform(const char32_t* p1, const char32_t* p2)
{
return string_type(p1, p2);
}
static string_type transform_primary(const char32_t* p1, const char32_t* p2)
{
return string_type(p1, p2);
}
static char_class_type lookup_classname(const char32_t* p1, const char32_t* p2)
{
std::string s(p1, p2);
return boost::c_regex_traits<char>::lookup_classname(s.c_str(), s.c_str() + s.length());
return 0;
}
static string_type lookup_collatename(const char32_t* p1, const char32_t* p2)
{
return string_type(p1, p2);
}
static bool isctype(char_type c, char_class_type t)
{
if(c < 0xff)
return boost::c_regex_traits<char>::isctype(c, t);
return false;
}
static boost::intmax_t value(char_type c, int radix)
{
switch(radix)
{
case 8:
if((c >= '0') && (c <= '7'))
return c - '0';
break;
case 10:
if((c >= '0') && (c <= '9'))
return c - '0';
break;
case 16:
if((c >= '0') && (c <= '9'))
return c - '0';
if((c >= 'a') && (c <= 'f'))
return (c - 'a') + 10;
if((c >= 'A') && (c <= 'F'))
return (c - 'A') + 10;
break;
}
return -1;
}
static locale_type imbue(locale_type) { return 0; }
static locale_type getloc() { return 0; }
};
int main()
{
char32_t big_char[] = { 0xF, 0xFF, 0xFFF, 0xFFFF, 0xFFFFF, 0xFFFFFF, 0xFFFFFFF, 0xFFFFFFFF, 0 };
boost::basic_regex<char32_t, char32_traits> e(U"\\x{F}\\x{FF}\\x{FFF}\\x{FFFF}\\x{FFFFF}\\x{FFFFFF}\\x{FFFFFFF}\\x{FFFFFFFF}");
if(!regex_match(big_char, e))
{
return 1;
}
return 0;
}
#else
int main() { return 0; }
#endif
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