public override bool MoveNext(bool ignoreNodes, bool ignoreWays, bool ignoreRelations)
{
for (KeyValuePair <PrimitiveBlock, object> nextPrimitive = this.MoveToNextPrimitive(ignoreNodes, ignoreWays, ignoreRelations); nextPrimitive.Value != null; nextPrimitive = this.MoveToNextPrimitive(ignoreNodes, ignoreWays, ignoreRelations))
{
OsmSharp.Osm.PBF.Node pbfNode = nextPrimitive.Value as OsmSharp.Osm.PBF.Node;
if (pbfNode != null && !ignoreNodes)
{
this._current = (OsmGeo)Encoder.DecodeNode(nextPrimitive.Key, pbfNode);
return(true);
}
OsmSharp.Osm.PBF.Way pbfWay = nextPrimitive.Value as OsmSharp.Osm.PBF.Way;
if (pbfWay != null && !ignoreWays)
{
this._current = (OsmGeo)Encoder.DecodeWay(nextPrimitive.Key, pbfWay);
return(true);
}
OsmSharp.Osm.PBF.Relation pbfRelation = nextPrimitive.Value as OsmSharp.Osm.PBF.Relation;
if (pbfRelation != null && !ignoreRelations)
{
this._current = (OsmGeo)Encoder.DecodeRelation(nextPrimitive.Key, pbfRelation);
return(true);
}
}
return(false);
}
/// <summary>
/// Converts a PBF way into an OsmSharp-relation.
/// </summary>
/// <returns></returns>
public static OsmSharp.Osm.Relation DecodeRelation(PrimitiveBlock block, OsmSharp.Osm.PBF.Relation pbfRelation)
{
var relation = new OsmSharp.Osm.Relation();
Encoder.DecodeRelation(block, pbfRelation, relation);
return(relation);
}
/// <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)
{
var nextPBFPrimitive = this.MoveToNextPrimitive(ignoreNodes, ignoreWays, ignoreRelations);
while (nextPBFPrimitive.Value != null)
{
OsmSharp.Osm.PBF.Node node = (nextPBFPrimitive.Value as OsmSharp.Osm.PBF.Node);
if (node != null && !ignoreNodes)
{ // next primitve is a node.
_current = this.ConvertNode(nextPBFPrimitive.Key, node);
return(true);
}
OsmSharp.Osm.PBF.Way way = (nextPBFPrimitive.Value as OsmSharp.Osm.PBF.Way);
if (way != null && !ignoreWays)
{ // next primitive is a way.
_current = this.ConvertWay(nextPBFPrimitive.Key, way);
return(true);
}
OsmSharp.Osm.PBF.Relation relation = (nextPBFPrimitive.Value as OsmSharp.Osm.PBF.Relation);
if (relation != null && !ignoreRelations)
{ // next primitive is a relation.
_current = this.ConvertRelation(nextPBFPrimitive.Key, relation);
return(true);
}
nextPBFPrimitive = this.MoveToNextPrimitive(ignoreNodes, ignoreWays, ignoreRelations);
}
return(false);
}
/// <summary>
/// Converts a PBF way into an OsmSharp-relation.
/// </summary>
/// <param name="block"></param>
/// <param name="relation"></param>
/// <returns></returns>
internal OsmSharp.Osm.Relation ConvertRelation(PrimitiveBlock block, OsmSharp.Osm.PBF.Relation relation)
{
var simpleRelation = new OsmSharp.Osm.Relation();
simpleRelation.Id = relation.id;
if (relation.types.Count > 0)
{
simpleRelation.Members = new List <OsmSharp.Osm.RelationMember>();
long member_id = 0;
for (int member_idx = 0; member_idx < relation.types.Count; member_idx++)
{
member_id = member_id + relation.memids[member_idx];
string role = Encoding.UTF8.GetString(
block.stringtable.s[relation.roles_sid[member_idx]]);
var member = new OsmSharp.Osm.RelationMember();
member.MemberId = member_id;
member.MemberRole = role;
switch (relation.types[member_idx])
{
case Relation.MemberType.NODE:
member.MemberType = OsmSharp.Osm.OsmGeoType.Node;
break;
case Relation.MemberType.WAY:
member.MemberType = OsmSharp.Osm.OsmGeoType.Way;
break;
case Relation.MemberType.RELATION:
member.MemberType = OsmSharp.Osm.OsmGeoType.Relation;
break;
}
simpleRelation.Members.Add(member);
}
}
simpleRelation.Tags = new TagsCollection(relation.keys.Count);
if (relation.keys.Count > 0)
{
for (int tag_idx = 0; tag_idx < relation.keys.Count; tag_idx++)
{
string key = Encoding.UTF8.GetString(block.stringtable.s[(int)relation.keys[tag_idx]]);
string value = Encoding.UTF8.GetString(block.stringtable.s[(int)relation.vals[tag_idx]]);
simpleRelation.Tags.Add(new Tag(key, value));
}
}
if (relation.info != null)
{ // read metadata if any.
simpleRelation.ChangeSetId = relation.info.changeset;
simpleRelation.TimeStamp = Utilities.FromUnixTime((long)relation.info.timestamp *
(long)block.date_granularity);
simpleRelation.UserId = relation.info.uid;
simpleRelation.UserName = Encoding.UTF8.GetString(block.stringtable.s[relation.info.user_sid]);
simpleRelation.Version = (ulong)relation.info.version;
}
simpleRelation.Visible = true;
return(simpleRelation);
}
void IPBFOsmPrimitiveConsumer.ProcessRelation(PrimitiveBlock block, OsmSharp.Osm.PBF.Relation relation)
{
this.QueuePrimitive(block, (object)relation);
}
/// <summary>
/// Encodes an OsmSharp-relation into a PBF-relation.
/// </summary>
/// <returns></returns>
public static OsmSharp.Osm.PBF.Relation EncodeRelation(PrimitiveBlock block, Dictionary<string, int> reverseStringTable, Osm.Relation relation)
{
var pbfRelation = new OsmSharp.Osm.PBF.Relation();
pbfRelation.id = relation.Id.Value;
pbfRelation.info = new Info();
if (relation.ChangeSetId.HasValue) { pbfRelation.info.changeset = relation.ChangeSetId.Value; }
if (relation.TimeStamp.HasValue) { pbfRelation.info.timestamp = Encoder.EncodeTimestamp(relation.TimeStamp.Value, block.date_granularity); }
if (relation.UserId.HasValue) { pbfRelation.info.uid = (int)relation.UserId.Value; }
pbfRelation.info.user_sid = Encoder.EncodeString(block, reverseStringTable, relation.UserName);
pbfRelation.info.version = 0;
if (relation.Version.HasValue) { pbfRelation.info.version = (int)relation.Version.Value; }
if (relation.Tags != null)
{
foreach (var tag in relation.Tags)
{
pbfRelation.keys.Add((uint)Encoder.EncodeString(block, reverseStringTable, tag.Key));
pbfRelation.vals.Add((uint)Encoder.EncodeString(block, reverseStringTable, tag.Value));
}
}
if (relation.Members != null &&
relation.Members.Count > 0)
{
pbfRelation.memids.Add(relation.Members[0].MemberId.Value);
pbfRelation.roles_sid.Add(Encoder.EncodeString(block, reverseStringTable, relation.Members[0].MemberRole));
switch (relation.Members[0].MemberType.Value)
{
case OsmGeoType.Node:
pbfRelation.types.Add(Relation.MemberType.NODE);
break;
case OsmGeoType.Way:
pbfRelation.types.Add(Relation.MemberType.WAY);
break;
case OsmGeoType.Relation:
pbfRelation.types.Add(Relation.MemberType.RELATION);
break;
}
for (var i = 1; i < relation.Members.Count; i++)
{
pbfRelation.memids.Add(relation.Members[i].MemberId.Value -
relation.Members[i - 1].MemberId.Value);
pbfRelation.roles_sid.Add(Encoder.EncodeString(block, reverseStringTable, relation.Members[i].MemberRole));
switch(relation.Members[i].MemberType.Value)
{
case OsmGeoType.Node:
pbfRelation.types.Add(Relation.MemberType.NODE);
break;
case OsmGeoType.Way:
pbfRelation.types.Add(Relation.MemberType.WAY);
break;
case OsmGeoType.Relation:
pbfRelation.types.Add(Relation.MemberType.RELATION);
break;
}
}
}
return pbfRelation;
}
/// <summary>
/// Encodes an OsmSharp-relation into a PBF-relation.
/// </summary>
/// <returns></returns>
public static OsmSharp.Osm.PBF.Relation EncodeRelation(PrimitiveBlock block, Dictionary <string, int> reverseStringTable, Osm.Relation relation)
{
var pbfRelation = new OsmSharp.Osm.PBF.Relation();
pbfRelation.id = relation.Id.Value;
pbfRelation.info = new Info();
if (relation.ChangeSetId.HasValue)
{
pbfRelation.info.changeset = relation.ChangeSetId.Value;
}
if (relation.TimeStamp.HasValue)
{
pbfRelation.info.timestamp = Encoder.EncodeTimestamp(relation.TimeStamp.Value, block.date_granularity);
}
if (relation.UserId.HasValue)
{
pbfRelation.info.uid = (int)relation.UserId.Value;
}
pbfRelation.info.user_sid = Encoder.EncodeString(block, reverseStringTable, relation.UserName);
pbfRelation.info.version = 0;
if (relation.Version.HasValue)
{
pbfRelation.info.version = (int)relation.Version.Value;
}
if (relation.Tags != null)
{
foreach (var tag in relation.Tags)
{
pbfRelation.keys.Add((uint)Encoder.EncodeString(block, reverseStringTable, tag.Key));
pbfRelation.vals.Add((uint)Encoder.EncodeString(block, reverseStringTable, tag.Value));
}
}
if (relation.Members != null &&
relation.Members.Count > 0)
{
pbfRelation.memids.Add(relation.Members[0].MemberId.Value);
pbfRelation.roles_sid.Add(Encoder.EncodeString(block, reverseStringTable, relation.Members[0].MemberRole));
switch (relation.Members[0].MemberType.Value)
{
case OsmGeoType.Node:
pbfRelation.types.Add(Relation.MemberType.NODE);
break;
case OsmGeoType.Way:
pbfRelation.types.Add(Relation.MemberType.WAY);
break;
case OsmGeoType.Relation:
pbfRelation.types.Add(Relation.MemberType.RELATION);
break;
}
for (var i = 1; i < relation.Members.Count; i++)
{
pbfRelation.memids.Add(relation.Members[i].MemberId.Value -
relation.Members[i - 1].MemberId.Value);
pbfRelation.roles_sid.Add(Encoder.EncodeString(block, reverseStringTable, relation.Members[i].MemberRole));
switch (relation.Members[i].MemberType.Value)
{
case OsmGeoType.Node:
pbfRelation.types.Add(Relation.MemberType.NODE);
break;
case OsmGeoType.Way:
pbfRelation.types.Add(Relation.MemberType.WAY);
break;
case OsmGeoType.Relation:
pbfRelation.types.Add(Relation.MemberType.RELATION);
break;
}
}
}
return(pbfRelation);
}
/// <summary>
/// Converts a PBF way into an OsmSharp-relation.
/// </summary>
/// <returns></returns>
public static OsmSharp.Osm.Relation DecodeRelation(PrimitiveBlock block, OsmSharp.Osm.PBF.Relation pbfRelation,
OsmSharp.Osm.Relation relation)
{
// make sure old data is gone.
if (relation.Members != null &&
relation.Members.Count > 0)
{ // clear nodes list.
relation.Members.Clear();
}
if (relation.Tags != null)
{ // clear the tags collection.
relation.Tags.Clear();
}
if (relation.Members == null)
{ // create nodes list.
relation.Members = new List <OsmSharp.Osm.RelationMember>(pbfRelation.memids.Count);
}
if (relation.Tags == null)
{ // create tags collection.
relation.Tags = new TagsCollection(pbfRelation.keys.Count);
}
// add nex stuff.
relation.Id = pbfRelation.id;
long memberId = 0;
for (var i = 0; i < pbfRelation.types.Count; i++)
{
memberId = memberId + pbfRelation.memids[i];
var role = System.Text.Encoding.UTF8.GetString(
block.stringtable.s[pbfRelation.roles_sid[i]]);
var member = new OsmSharp.Osm.RelationMember();
member.MemberId = memberId;
member.MemberRole = role;
switch (pbfRelation.types[i])
{
case Relation.MemberType.NODE:
member.MemberType = OsmSharp.Osm.OsmGeoType.Node;
break;
case Relation.MemberType.WAY:
member.MemberType = OsmSharp.Osm.OsmGeoType.Way;
break;
case Relation.MemberType.RELATION:
member.MemberType = OsmSharp.Osm.OsmGeoType.Relation;
break;
}
relation.Members.Add(member);
}
for (int i = 0; i < pbfRelation.keys.Count; i++)
{
string key = System.Text.Encoding.UTF8.GetString(block.stringtable.s[(int)pbfRelation.keys[i]]);
string value = System.Text.Encoding.UTF8.GetString(block.stringtable.s[(int)pbfRelation.vals[i]]);
relation.Tags.Add(new Tag(key, value));
}
if (pbfRelation.info != null)
{ // read metadata if any.
relation.ChangeSetId = pbfRelation.info.changeset;
relation.TimeStamp = Encoder.DecodeTimestamp(pbfRelation.info.timestamp, block.date_granularity);
relation.UserId = pbfRelation.info.uid;
relation.UserName = null;
if (block.stringtable != null)
{
relation.UserName = System.Text.Encoding.UTF8.GetString(block.stringtable.s[pbfRelation.info.user_sid]);
}
relation.Version = (ulong)pbfRelation.info.version;
}
relation.Visible = true;
return(relation);
}
