diff options
Diffstat (limited to 'lib/mstch/src/visitor/get_token.hpp')
| -rw-r--r-- | lib/mstch/src/visitor/get_token.hpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/mstch/src/visitor/get_token.hpp b/lib/mstch/src/visitor/get_token.hpp new file mode 100644 index 0000000..d41ab6e --- /dev/null +++ b/lib/mstch/src/visitor/get_token.hpp @@ -0,0 +1,35 @@ +#pragma once + +#include <boost/variant/static_visitor.hpp> + +#include "mstch/mstch.hpp" +#include "has_token.hpp" + +namespace mstch { + +class get_token: public boost::static_visitor<const mstch::node&> { + public: + get_token(const std::string& token, const mstch::node& node): + m_token(token), m_node(node) + { + } + + template<class T> + const mstch::node& operator()(const T&) const { + return m_node; + } + + const mstch::node& operator()(const map& map) const { + return map.at(m_token); + } + + const mstch::node& operator()(const std::shared_ptr<object>& object) const { + return object->at(m_token); + } + + private: + const std::string& m_token; + const mstch::node& m_node; +}; + +} |
