1 /*============================================================================= 2 Copyright (c) 2017 Daniel James 3 http://spirit.sourceforge.net/ 4 5 Use, modification and distribution is subject to the Boost Software 6 License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at 7 http://www.boost.org/LICENSE_1_0.txt) 8 =============================================================================*/ 9 #if !defined(BOOST_SPIRIT_QUICKBOOK_STRING_VIEW_HPP) 10 #define BOOST_SPIRIT_QUICKBOOK_STRING_VIEW_HPP 11 12 #include <boost/functional/hash/hash_fwd.hpp> 13 #include <boost/utility/string_view.hpp> 14 15 namespace quickbook 16 { 17 // boost::string_view now can't be constructed from an rvalue std::string, 18 // which is something that quickbook does in several places, so this wraps 19 // it to allow that. 20 21 struct string_view : boost::string_view 22 { 23 typedef boost::string_view base; 24 string_viewquickbook::string_view25 string_view() : base() {} string_viewquickbook::string_view26 string_view(string_view const& x) : base(x) {} string_viewquickbook::string_view27 string_view(std::string const& x) : base(x) {} string_viewquickbook::string_view28 string_view(const char* x) : base(x) {} string_viewquickbook::string_view29 string_view(const char* x, base::size_type len) : base(x, len) {} 30 to_squickbook::string_view31 std::string to_s() const { return std::string(begin(), end()); } 32 }; 33 34 typedef quickbook::string_view::const_iterator string_iterator; 35 hash_value(string_view const & x)36 inline std::size_t hash_value(string_view const& x) 37 { 38 return boost::hash_range(x.begin(), x.end()); 39 } 40 operator +=(std::string & x,string_view const & y)41 inline std::string& operator+=(std::string& x, string_view const& y) 42 { 43 return x.append(y.begin(), y.end()); 44 } 45 } 46 47 #endif 48