routingkit-cch 0.1.4

Rust bindings for RoutingKit's Customizable Contraction Hierarchies (CCH)
Documentation 
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// This file contains essentially the same information as the orginal fileformat.proto and osmformat.proto however it is a rewrite to get rid of the LGPL requirements associated with it.

option optimize_for = LITE_RUNTIME;

package OSM_PBF_FORMAT;

message CompressedBlockHeader {
	required string block_type = 1;
	required int32 block_size = 3;
}

message CompressedBlock {
	required int32 uncompressed_data_size = 2;
	optional bytes uncompressed_data = 1;
	optional bytes zlib_compressed_data = 3;
}

message FileHeader {
	repeated string parser_must_support = 4;
	repeated string parse_may_exploit = 5;
}

message Block {
	required StringList string_list = 1;
	repeated Group group_list = 2;
	optional int32 latlon_granularity = 17 [default=100]; 
	optional int64 offset_of_latitude = 19 [default=0];
	optional int64 offset_of_longitude = 20 [default=0]; 
}

message StringList {
	repeated bytes string_list = 1;
}

message Group {
	repeated SparseNode sparse_node_list = 1;
	optional DenseNode dense_node = 2;
	repeated Way way_list = 3;
	repeated Relation relation_list = 4;
}

message SparseNode {
	required sint64 osm_node_id = 1;
	repeated uint32 key = 2 [packed = true];
	repeated uint32 value = 3 [packed = true];
	required sint64 latitude = 8;
	required sint64 longitude = 9;
}

message DenseNode{
	repeated sint64 delta_coded_osm_node_id = 1 [packed = true];
	repeated sint64 delta_coded_latitude = 8 [packed = true];
	repeated sint64 delta_coded_longitude = 9 [packed = true];
	repeated int32 key_value_pairs = 10 [packed = true];
}


message Way {
	required int64 osm_way_id = 1;
	repeated uint32 key = 2 [packed = true];
	repeated uint32 value = 3 [packed = true];
	repeated sint64 node_list = 8 [packed = true];
}

message Relation {
	enum MemberType {
		node = 0;
		way = 1;
		relation = 2;
	} 
	required int64 osm_relation_id = 1;
	repeated uint32 key = 2 [packed = true];
	repeated uint32 value = 3 [packed = true];
	repeated int32 member_role_id = 8 [packed = true];
	repeated sint64 delta_coded_member_id_list = 9 [packed = true];
	repeated MemberType member_type_list = 10 [packed = true];
}