/Src/Dependencies/Boost/boost/spirit/home/qi/numeric/bool_policies.hpp
http://hadesmem.googlecode.com/ · C++ Header · 81 lines · 63 code · 8 blank · 10 comment · 4 complexity · 8919789c6b41b24ec2150c29ebb52e8a MD5 · raw file
- /*=============================================================================
- Copyright (c) 2001-2011 Hartmut Kaiser
- 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)
- ==============================================================================*/
- #if !defined(SPIRIT_QI_BOOL_POLICIES_SEP_29_2009_0710AM)
- #define SPIRIT_QI_BOOL_POLICIES_SEP_29_2009_0710AM
- #if defined(_MSC_VER)
- #pragma once
- #endif
- #include <boost/spirit/home/qi/detail/string_parse.hpp>
- #include <boost/spirit/home/qi/detail/assign_to.hpp>
- namespace boost { namespace spirit { namespace qi
- {
- ///////////////////////////////////////////////////////////////////////////
- // Default boolean policies
- ///////////////////////////////////////////////////////////////////////////
- template <typename T = bool>
- struct bool_policies
- {
- template <typename Iterator, typename Attribute>
- static bool
- parse_true(Iterator& first, Iterator const& last, Attribute& attr)
- {
- if (detail::string_parse("true", first, last, unused))
- {
- spirit::traits::assign_to(T(true), attr); // result is true
- return true;
- }
- return false;
- }
- template <typename Iterator, typename Attribute>
- static bool
- parse_false(Iterator& first, Iterator const& last, Attribute& attr)
- {
- if (detail::string_parse("false", first, last, unused))
- {
- spirit::traits::assign_to(T(false), attr); // result is false
- return true;
- }
- return false;
- }
- };
- ///////////////////////////////////////////////////////////////////////////
- template <typename T = bool>
- struct no_case_bool_policies
- {
- template <typename Iterator, typename Attribute>
- static bool
- parse_true(Iterator& first, Iterator const& last, Attribute& attr)
- {
- if (detail::string_parse("true", "TRUE", first, last, unused))
- {
- spirit::traits::assign_to(T(true), attr); // result is true
- return true;
- }
- return false;
- }
- template <typename Iterator, typename Attribute>
- static bool
- parse_false(Iterator& first, Iterator const& last, Attribute& attr)
- {
- if (detail::string_parse("false", "FALSE", first, last, unused))
- {
- spirit::traits::assign_to(T(false), attr); // result is false
- return true;
- }
- return false;
- }
- };
- }}}
- #endif