arabica/include/XPath/impl/xpath_ast.hpp

43 lines
1 KiB
C++

#ifndef ARABICA_XPATHIC_XPATH_AST_HPP
#define ARABICA_XPATHIC_XPATH_AST_HPP
#include <boost/spirit/core.hpp>
#include <boost/spirit/tree/ast.hpp>
#include "xpath_ast_ids.hpp"
namespace Arabica
{
namespace XPath
{
namespace impl
{
template<class string_adaptor>
class types
{
public:
typedef typename string_adaptor::const_iterator str_iter_t;
typedef boost::spirit::tree_match<str_iter_t> tree_match_t;
typedef typename tree_match_t::tree_iterator node_iter_t;
typedef boost::spirit::tree_parse_info<str_iter_t> tree_info_t;
}; // types
template<class string_adaptor>
long getNodeId(typename types<string_adaptor>::node_iter_t const& node)
{
return static_cast<long>(node->value.id().to_long());
} // getNodeId
template<class string_adaptor>
typename types<string_adaptor>::node_iter_t& skipWhitespace(typename types<string_adaptor>::node_iter_t& node)
{
while(getNodeId<string_adaptor>(node) == impl::S_id)
++node;
return node;
} // skipWhitespace
} // namespace impl
} // namespace XPath
} // namespace Arabica
#endif