| | | 1 | | using System; |
| | | 2 | | using Itinero.IO.Osm.Filters; |
| | | 3 | | using OsmSharp; |
| | | 4 | | using OsmSharp.Streams; |
| | | 5 | | |
| | | 6 | | namespace Itinero.IO.Osm.Streams; |
| | | 7 | | |
| | | 8 | | /// <summary> |
| | | 9 | | /// Contains extension methods for filtering an OSM stream source. |
| | | 10 | | /// </summary> |
| | | 11 | | public static class OsmStreamSourceExtensions |
| | | 12 | | { |
| | | 13 | | /// <summary> |
| | | 14 | | /// Applies a filter to the given source and returns a new filtered source. |
| | | 15 | | /// </summary> |
| | | 16 | | /// <param name="source">The source.</param> |
| | | 17 | | /// <param name="filter">The filter.</param> |
| | | 18 | | /// <returns>A new filtered source.</returns> |
| | | 19 | | public static OsmStreamSource ApplyFilter(this OsmStreamSource source, |
| | | 20 | | TagsFilter.FilterDelegate filter) |
| | 5 | 21 | | { |
| | 45 | 22 | | var filtered = new OsmGeoTagsPreprocessor(osmGeo => filter(osmGeo)); |
| | 5 | 23 | | filtered.RegisterSource(source); |
| | 5 | 24 | | return filtered; |
| | 5 | 25 | | } |
| | | 26 | | |
| | | 27 | | /// <summary> |
| | | 28 | | /// Applies a complete to the given source and returns a new filtered source. |
| | | 29 | | /// </summary> |
| | | 30 | | /// <param name="source">The source.</param> |
| | | 31 | | /// <param name="filter">The filter.</param> |
| | | 32 | | /// <returns>A new filtered source.</returns> |
| | | 33 | | public static OsmStreamSource ApplyCompleteFilter(this OsmStreamSource source, |
| | | 34 | | TagsFilter.CompleteFilterDelegate filter) |
| | 0 | 35 | | { |
| | 0 | 36 | | var filtered = new CompleteOsmGeoPreprocessor((geo, osmGeo) => filter(geo, osmGeo)); |
| | 0 | 37 | | filtered.RegisterSource(source); |
| | 0 | 38 | | return filtered; |
| | 0 | 39 | | } |
| | | 40 | | |
| | | 41 | | /// <summary> |
| | | 42 | | /// Applies a relation member filter to the given source and returns a new filtered source. |
| | | 43 | | /// </summary> |
| | | 44 | | /// <param name="source">The source.</param> |
| | | 45 | | /// <param name="filter">The filter.</param> |
| | | 46 | | /// <returns>A new filtered source.</returns> |
| | | 47 | | public static OsmStreamSource ApplyRelationMemberFilter(this OsmStreamSource source, |
| | | 48 | | TagsFilter.FilterRelationMemberDelegate filter) |
| | 3 | 49 | | { |
| | 3 | 50 | | var filtered = new RelationTagsPreprocessor( |
| | 5 | 51 | | (relation, geo) => filter(relation, geo)); |
| | 3 | 52 | | filtered.RegisterSource(source); |
| | 3 | 53 | | return filtered; |
| | 3 | 54 | | } |
| | | 55 | | } |