osm/pbf/fileformat.proto

0001 /*
0002     SPDX-FileCopyrightText: 2010 Scott A. Crosby. <scott@sacrosby.com>
0003
0004     SPDX-License-Identifier: MIT
0005 */
0006
0007 syntax = "proto2";
0008 option optimize_for = LITE_RUNTIME;
0009 option java_package = "crosby.binary";
0010 package OSMPBF;
0011
0012 //protoc --java_out=../.. fileformat.proto
0013
0014
0015 //
0016 //  STORAGE LAYER: Storing primitives.
0017 //
0018
0019 message Blob {
0020   optional bytes raw = 1; // No compression
0021   optional int32 raw_size = 2; // When compressed, the uncompressed size
0022
0023   // Possible compressed versions of the data.
0024   optional bytes zlib_data = 3;
0025
0026   // PROPOSED feature for LZMA compressed data. SUPPORT IS NOT REQUIRED.
0027   optional bytes lzma_data = 4;
0028
0029   // Formerly used for bzip2 compressed data. Depreciated in 2010.
0030   optional bytes OBSOLETE_bzip2_data = 5 [deprecated=true]; // Don't reuse this tag number.
0031 }
0032
0033 /* A file contains an sequence of fileblock headers, each prefixed by
0034 their length in network byte order, followed by a data block
0035 containing the actual data. types staring with a "_" are reserved.
0036 */
0037
0038 message BlobHeader {
0039   required string type = 1;
0040   optional bytes indexdata = 2;
0041   required int32 datasize = 3;
0042 }