projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | /*============================================================================= |
| 2 | Copyright (c) 2001-2014 Joel de Guzman | |
| 3 | ||
| 4 | Distributed under the Boost Software License, Version 1.0. (See accompanying | |
| 5 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
| 6 | =============================================================================*/ | |
| 7 | #if !defined(SPIRIT_SEQUENCE_JAN_06_2013_1015AM) | |
| 8 | #define SPIRIT_SEQUENCE_JAN_06_2013_1015AM | |
| 9 | ||
| 10 | #include <boost/spirit/home/x3/support/traits/attribute_of.hpp> | |
| 11 | #include <boost/spirit/home/x3/core/parser.hpp> | |
| 12 | #include <boost/spirit/home/x3/operator/detail/sequence.hpp> | |
| 13 | #include <boost/spirit/home/x3/directive/expect.hpp> | |
| 14 | ||
| 15 | namespace boost { namespace spirit { namespace x3 | |
| 16 | { | |
| 17 | template <typename Left, typename Right> | |
| 18 | struct sequence : binary_parser<Left, Right, sequence<Left, Right>> | |
| 19 | { | |
| 20 | typedef binary_parser<Left, Right, sequence<Left, Right>> base_type; | |
| 21 | ||
| 22 | sequence(Left const& left, Right const& right) | |
| 23 | : base_type(left, right) {} | |
| 24 | ||
| 25 | template <typename Iterator, typename Context, typename RContext> | |
| 26 | bool parse( | |
| 27 | Iterator& first, Iterator const& last | |
| 28 | , Context const& context, RContext& rcontext, unused_type) const | |
| 29 | { | |
| 30 | Iterator save = first; | |
| 31 | if (this->left.parse(first, last, context, rcontext, unused) | |
| 32 | && this->right.parse(first, last, context, rcontext, unused)) | |
| 33 | return true; | |
| 34 | first = save; | |
| 35 | return false; | |
| 36 | } | |
| 37 | ||
| 38 | template <typename Iterator, typename Context | |
| 39 | , typename RContext, typename Attribute> | |
| 40 | bool parse( | |
| 41 | Iterator& first, Iterator const& last | |
| 42 | , Context const& context, RContext& rcontext, Attribute& attr) const | |
| 43 | { | |
| 44 | return detail::parse_sequence(*this, first, last, context, rcontext, attr | |
| 45 | , typename traits::attribute_category<Attribute>::type()); | |
| 46 | } | |
| 47 | }; | |
| 48 | ||
| 49 | template <typename Left, typename Right> | |
| 50 | inline sequence< | |
| 51 | typename extension::as_parser<Left>::value_type | |
| 52 | , typename extension::as_parser<Right>::value_type> | |
| 53 | operator>>(Left const& left, Right const& right) | |
| 54 | { | |
| 55 | return { as_parser(left), as_parser(right) }; | |
| 56 | } | |
| 57 | ||
| 58 | template <typename Left, typename Right> | |
| 59 | auto operator>(Left const& left, Right const& right) | |
| 60 | { | |
| 61 | return left >> expect[right]; | |
| 62 | } | |
| 63 | }}} | |
| 64 | ||
| 65 | namespace boost { namespace spirit { namespace x3 { namespace traits | |
| 66 | { | |
| 67 | template <typename Left, typename Right, typename Context> | |
| 68 | struct attribute_of<x3::sequence<Left, Right>, Context> | |
| 69 | : x3::detail::attribute_of_sequence<Left, Right, Context> {}; | |
| 70 | }}}} | |
| 71 | ||
| 72 | #endif |