//

// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)

//

// 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)

//

// Official repository: https://github.com/boostorg/beast

//

#ifndef BEAST_STRING_HPP

#define BEAST_STRING_HPP

#include <beast/core/detail/config.hpp>

#include <beast/core/string_type.hpp>

namespace beast {

/** Returns `true` if two strings are equal, using a case-insensitive comparison.

The case-comparison operation is defined only for low-ASCII characters.

@param lhs The string on the left side of the equality

@param rhs The string on the right side of the equality

*/

BEAST_DECL

bool

iequals(

beast::string_view lhs,

beast::string_view rhs);

/** A case-insensitive less predicate for strings.

The case-comparison operation is defined only for low-ASCII characters.

As of C++14, containers using this class as the `Compare` type will take part

in heterogeneous lookup if the search term is implicitly convertible to

@ref string_view.

*/

struct iless

{

BEAST_DECL

bool

operator()(

string_view lhs,

string_view rhs) const;

using is_transparent = void;

};

/** A case-insensitive equality predicate for strings.

The case-comparison operation is defined only for low-ASCII characters.

As of C++14, containers using this class as the `Compare` type will take part

in heterogeneous lookup if the search term is implicitly convertible to

@ref string_view.

*/

struct iequal

{

bool

operator()(

string_view lhs,

string_view rhs) const

{

return iequals(lhs, rhs);

}

using is_transparent = void;

};

} // beast

#ifdef BEAST_HEADER_ONLY

#include <beast/core/impl/string.ipp>

#endif

#endif