78 lines
2.8 KiB
C++
78 lines
2.8 KiB
C++
/*
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Copyright (c) 2014, Project OSRM contributors
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef RESTRICTION_PARSER_HPP
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#define RESTRICTION_PARSER_HPP
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#include "../data_structures/restriction.hpp"
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#include <boost/optional/optional.hpp>
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#include <string>
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#include <vector>
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struct lua_State;
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namespace osmium
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{
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class Relation;
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}
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/**
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* Parses the relations that represents turn restrictions.
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*
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* Currently only restrictions where the via objects is a node are supported.
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* from via to
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* ------->(x)-------->
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*
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* While this class does not directly invoke any lua code _per relation_ it does
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* load configuration values from the profile, that are saved in variables.
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* Namely ```use_turn_restrictions``` and ```get_exceptions```.
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*
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* The restriction is represented by the osm id of the from way, the osm id of the
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* to way and the osm id of the via node. This representation must be post-processed
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* in the extractor to work with the edge-based data-model of OSRM:
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* Since the from and to way share the via-node a turn will have the following form:
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* ...----(a)-----(via)------(b)----...
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* So it can be represented by the tripe (a, via, b).
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*/
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class RestrictionParser
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{
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public:
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RestrictionParser(lua_State *lua_state);
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boost::optional<InputRestrictionContainer> TryParse(const osmium::Relation &relation) const;
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private:
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void ReadUseRestrictionsSetting(lua_State *lua_state);
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void ReadRestrictionExceptions(lua_State *lua_state);
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bool ShouldIgnoreRestriction(const std::string &except_tag_string) const;
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std::vector<std::string> restriction_exceptions;
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bool use_turn_restrictions;
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};
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#endif /* RESTRICTION_PARSER_HPP */
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