diff options
Diffstat (limited to 'boost/beast/core/string.hpp')
-rw-r--r-- | boost/beast/core/string.hpp | 98 |
1 files changed, 9 insertions, 89 deletions
diff --git a/boost/beast/core/string.hpp b/boost/beast/core/string.hpp index 976bfca48a..06edca1969 100644 --- a/boost/beast/core/string.hpp +++ b/boost/beast/core/string.hpp @@ -11,82 +11,11 @@ #define BOOST_BEAST_STRING_HPP #include <boost/beast/core/detail/config.hpp> -#include <boost/version.hpp> - -#if defined(BOOST_BEAST_USE_STD_STRING_VIEW) -#include <string_view> -#else -#include <boost/utility/string_view.hpp> -#endif - -#include <algorithm> +#include <boost/beast/core/string_type.hpp> namespace boost { namespace beast { -#if defined(BOOST_BEAST_USE_STD_STRING_VIEW) - /// The type of string view used by the library - using string_view = std::string_view; - - /// The type of basic string view used by the library - template<class CharT, class Traits> - using basic_string_view = - std::basic_string_view<CharT, Traits>; -#else - /// The type of string view used by the library - using string_view = boost::string_view; - - /// The type of basic string view used by the library - template<class CharT, class Traits> - using basic_string_view = - boost::basic_string_view<CharT, Traits>; -#endif - -namespace detail { - -inline -char -ascii_tolower(char c) -{ - return ((static_cast<unsigned>(c) - 65U) < 26) ? - c + 'a' - 'A' : c; -} - -template<class = void> -bool -iequals( - beast::string_view lhs, - beast::string_view rhs) -{ - auto n = lhs.size(); - if(rhs.size() != n) - return false; - auto p1 = lhs.data(); - auto p2 = rhs.data(); - char a, b; - // fast loop - while(n--) - { - a = *p1++; - b = *p2++; - if(a != b) - goto slow; - } - return true; -slow: - do - { - if(ascii_tolower(a) != ascii_tolower(b)) - return false; - a = *p1++; - b = *p2++; - } - while(n--); - return true; -} - -} // detail - /** Returns `true` if two strings are equal, using a case-insensitive comparison. The case-comparison operation is defined only for low-ASCII characters. @@ -95,14 +24,11 @@ slow: @param rhs The string on the right side of the equality */ -inline +BOOST_BEAST_DECL bool iequals( beast::string_view lhs, - beast::string_view rhs) -{ - return detail::iequals(lhs, rhs); -} + beast::string_view rhs); /** A case-insensitive less predicate for strings. @@ -110,21 +36,11 @@ iequals( */ struct iless { + BOOST_BEAST_DECL bool operator()( string_view lhs, - string_view rhs) const - { - using std::begin; - using std::end; - return std::lexicographical_compare( - begin(lhs), end(lhs), begin(rhs), end(rhs), - [](char c1, char c2) - { - return detail::ascii_tolower(c1) < detail::ascii_tolower(c2); - } - ); - } + string_view rhs) const; }; /** A case-insensitive equality predicate for strings. @@ -145,4 +61,8 @@ struct iequal } // beast } // boost +#ifdef BOOST_BEAST_HEADER_ONLY +#include <boost/beast/core/impl/string.ipp> +#endif + #endif |