/// <summary>
/// Move to the next item in the stream.
/// </summary>
/// <param name="ignoreNodes">Makes this source skip all nodes.</param>
/// <param name="ignoreWays">Makes this source skip all ways.</param>
/// <param name="ignoreRelations">Makes this source skip all relations.</param>
/// <returns></returns>
public override bool MoveNext(bool ignoreNodes, bool ignoreWays, bool ignoreRelations)
{
if (!_initialized)
{
this.Initialize();
_initialized = true;
}
var nextPBFPrimitive = this.MoveToNextPrimitive(ignoreNodes, ignoreWays, ignoreRelations);
while (nextPBFPrimitive.Value != null)
{
OsmSharp.IO.PBF.Node node = (nextPBFPrimitive.Value as OsmSharp.IO.PBF.Node);
if (node != null && !ignoreNodes)
{ // next primitve is a node.
_current = Encoder.DecodeNode(nextPBFPrimitive.Key, node);
return(true);
}
OsmSharp.IO.PBF.Way way = (nextPBFPrimitive.Value as OsmSharp.IO.PBF.Way);
if (way != null && !ignoreWays)
{ // next primitive is a way.
_current = Encoder.DecodeWay(nextPBFPrimitive.Key, way);
return(true);
}
OsmSharp.IO.PBF.Relation relation = (nextPBFPrimitive.Value as OsmSharp.IO.PBF.Relation);
if (relation != null && !ignoreRelations)
{ // next primitive is a relation.
_current = Encoder.DecodeRelation(nextPBFPrimitive.Key, relation);
return(true);
}
nextPBFPrimitive = this.MoveToNextPrimitive(ignoreNodes, ignoreWays, ignoreRelations);
}
return(false);
}
public void TestDecodeRelation()
{
var block = new PrimitiveBlock();
block.date_granularity = 1000;
block.granularity = 100;
block.lat_offset = 0;
block.lon_offset = 0;
block.stringtable = new StringTable();
block.stringtable.s.Add(System.Text.Encoding.UTF8.GetBytes(string.Empty)); // always encode empty string as '0'.
block.stringtable.s.Add(System.Text.Encoding.UTF8.GetBytes("highway"));
block.stringtable.s.Add(System.Text.Encoding.UTF8.GetBytes("residential"));
block.stringtable.s.Add(System.Text.Encoding.UTF8.GetBytes("Ben"));
block.stringtable.s.Add(System.Text.Encoding.UTF8.GetBytes("fake role"));
var pbfRelation = new OsmSharp.IO.PBF.Relation()
{
id = 1,
info = new Info()
{
changeset = 10,
timestamp = 10,
uid = 100,
user_sid = 3,
version = 2
}
};
pbfRelation.keys.Add(1);
pbfRelation.vals.Add(2);
pbfRelation.memids.Add(10);
pbfRelation.memids.Add(1); // delta-encoding.
pbfRelation.roles_sid.Add(4);
pbfRelation.roles_sid.Add(4);
pbfRelation.types.Add(OsmSharp.IO.PBF.Relation.MemberType.NODE);
pbfRelation.types.Add(OsmSharp.IO.PBF.Relation.MemberType.WAY);
var relation = Encoder.DecodeRelation(block, pbfRelation);
Assert.IsNotNull(relation);
Assert.AreEqual(1, relation.Id);
Assert.AreEqual(10, relation.ChangeSetId);
Assert.AreEqual(PBFExtensions.FromUnixTime(10000), relation.TimeStamp);
Assert.AreEqual(OsmSharp.OsmGeoType.Relation, relation.Type);
Assert.AreEqual(100, relation.UserId);
Assert.AreEqual("Ben", relation.UserName);
Assert.AreEqual(2, relation.Version);
Assert.AreEqual(2, relation.Members.Length);
Assert.AreEqual(10, relation.Members[0].Id);
Assert.AreEqual(OsmSharp.OsmGeoType.Node, relation.Members[0].Type);
Assert.AreEqual("fake role", relation.Members[0].Role);
Assert.AreEqual(11, relation.Members[1].Id);
Assert.AreEqual(OsmSharp.OsmGeoType.Way, relation.Members[1].Type);
Assert.AreEqual("fake role", relation.Members[1].Role);
}
public void TestDecodeBlockWithRelation()
{
var block = new PrimitiveBlock();
block.date_granularity = 1000;
block.granularity = 100;
block.lat_offset = 0;
block.lon_offset = 0;
block.stringtable = new StringTable();
block.stringtable.s.Add(System.Text.Encoding.UTF8.GetBytes("highway"));
block.stringtable.s.Add(System.Text.Encoding.UTF8.GetBytes("residential"));
block.stringtable.s.Add(System.Text.Encoding.UTF8.GetBytes("Ben"));
var pbfRelation = new OsmSharp.IO.PBF.Relation()
{
id = 1,
info = new Info()
{
changeset = 10,
timestamp = 10,
uid = 100,
user_sid = 2,
version = 2
}
};
pbfRelation.keys.Add(0);
pbfRelation.vals.Add(1);
pbfRelation.memids.Add(10);
pbfRelation.memids.Add(1); // delta-encoding.
pbfRelation.roles_sid.Add(3);
pbfRelation.roles_sid.Add(3);
pbfRelation.types.Add(OsmSharp.IO.PBF.Relation.MemberType.NODE);
pbfRelation.types.Add(OsmSharp.IO.PBF.Relation.MemberType.WAY);
var primitiveGroup = new PrimitiveGroup();
primitiveGroup.relations.Add(pbfRelation);
block.primitivegroup.Add(primitiveGroup);
var primitivesConsumer = new PrimitivesConsumerMock();
block.Decode(primitivesConsumer, false, false, false);
Assert.AreEqual(0, primitivesConsumer.Nodes.Count);
Assert.AreEqual(0, primitivesConsumer.Ways.Count);
Assert.AreEqual(1, primitivesConsumer.Relations.Count);
}
/// <summary>
/// Processes a relation.
/// </summary>
/// <param name="block"></param>
/// <param name="relation"></param>
void IPBFOsmPrimitiveConsumer.ProcessRelation(PrimitiveBlock block, OsmSharp.IO.PBF.Relation relation)
{
this.QueuePrimitive(block, relation);
}
public void ProcessRelation(PrimitiveBlock block, OsmSharp.IO.PBF.Relation relation)
{
this.Relations.Add(relation);
}
