| /*============================================================================= |
| Copyright (c) 2001-2007 Joel de Guzman |
| |
| 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_WHAT_FUNCTION_APR_22_2007_0236PM) |
| #define SPIRIT_WHAT_FUNCTION_APR_22_2007_0236PM |
| |
| #include <string> |
| |
| namespace boost { namespace spirit { namespace detail |
| { |
| template <typename Context> |
| struct what_function |
| { |
| what_function(std::string& str, Context const& ctx) |
| : str(str), ctx(ctx), first(true) |
| { |
| } |
| |
| template <typename Component> |
| void operator()(Component const& component) const |
| { |
| if (first) |
| first = false; |
| else |
| str += ", "; |
| typedef typename Component::director director; |
| str += director::what(component, ctx); |
| } |
| |
| std::string& str; |
| Context const& ctx; |
| mutable bool first; |
| }; |
| }}} |
| |
| #endif |
