/// <summary>
/// Converts a PBF way into an OsmSharp-way.
/// </summary>
public static OsmSharp.Way DecodeWay(PrimitiveBlock block, OsmSharp.IO.PBF.Way pbfWay)
{
var way = new OsmSharp.Way();
Encoder.DecodeWay(block, pbfWay, way);
return(way);
}
public void TestEncodeWay()
{
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"));
var way = new OsmSharp.Way();
way.Id = 1;
way.ChangeSetId = 1;
way.Tags = new OsmSharp.Tags.TagsCollection();
way.Tags.Add("name", "Ben");
way.TimeStamp = DateTime.Now;
way.UserId = 1;
way.UserName = "******";
way.Version = 1;
way.Visible = true;
way.Nodes = new long[] { 1, 2 };
var pbfWay = Encoder.EncodeWay(block, new Dictionary <string, int>(), way);
Assert.IsNotNull(pbfWay);
Assert.AreEqual(1, pbfWay.id);
Assert.AreEqual(2, pbfWay.refs.Count);
Assert.AreEqual(1, pbfWay.refs[0]);
Assert.AreEqual(1, pbfWay.refs[1]);
Assert.AreEqual(1, pbfWay.info.changeset);
Assert.AreEqual(Encoder.EncodeTimestamp(way.TimeStamp.Value, block.date_granularity), pbfWay.info.timestamp);
Assert.AreEqual(1, pbfWay.info.uid);
Assert.AreEqual("Ben", System.Text.Encoding.UTF8.GetString(block.stringtable.s[(int)pbfWay.info.user_sid]));
Assert.AreEqual(1, pbfWay.info.version);
Assert.AreEqual(1, pbfWay.keys.Count);
Assert.AreEqual("name", System.Text.Encoding.UTF8.GetString(block.stringtable.s[(int)pbfWay.keys[0]]));
Assert.AreEqual(1, pbfWay.vals.Count);
Assert.AreEqual("Ben", System.Text.Encoding.UTF8.GetString(block.stringtable.s[(int)pbfWay.vals[0]]));
}
/// <summary>
/// Encodes an OsmSharp-way into a PBF-way.
/// </summary>
public static OsmSharp.IO.PBF.Way EncodeWay(PrimitiveBlock block, Dictionary <string, int> reverseStringTable, OsmSharp.Way way)
{
var pbfWay = new OsmSharp.IO.PBF.Way();
pbfWay.id = way.Id.Value;
pbfWay.info = new Info();
if (way.ChangeSetId.HasValue)
{
pbfWay.info.changeset = way.ChangeSetId.Value;
}
if (way.TimeStamp.HasValue)
{
pbfWay.info.timestamp = Encoder.EncodeTimestamp(way.TimeStamp.Value, block.date_granularity);
}
if (way.UserId.HasValue)
{
pbfWay.info.uid = (int)way.UserId.Value;
}
pbfWay.info.user_sid = Encoder.EncodeString(block, reverseStringTable, way.UserName);
pbfWay.info.version = 0;
if (way.Version.HasValue)
{
pbfWay.info.version = (int)way.Version.Value;
}
if (way.Tags != null)
{
foreach (var tag in way.Tags)
{
pbfWay.keys.Add((uint)Encoder.EncodeString(block, reverseStringTable, tag.Key));
pbfWay.vals.Add((uint)Encoder.EncodeString(block, reverseStringTable, tag.Value));
}
}
if (way.Nodes != null &&
way.Nodes.Length > 0)
{
pbfWay.refs.Add(way.Nodes[0]);
for (var i = 1; i < way.Nodes.Length; i++)
{
pbfWay.refs.Add(way.Nodes[i] - way.Nodes[i - 1]);
}
}
return(pbfWay);
}
/// <summary>
/// Converts a PBF-way into an OsmSharp-way.
/// </summary>
public static void DecodeWay(PrimitiveBlock block, OsmSharp.IO.PBF.Way pbfWay, OsmSharp.Way way)
{
// make sure old data is gone.
if (way.Nodes != null &&
way.Nodes.Length > 0)
{ // clear nodes list.
way.Nodes = new long[pbfWay.refs.Count];
}
if (way.Tags != null)
{ // clear the tags collection.
way.Tags.Clear();
}
if (way.Nodes == null)
{ // create nodes list.
way.Nodes = new long[pbfWay.refs.Count];
}
if (way.Tags == null)
{ // create tags collection.
way.Tags = new TagsCollection(pbfWay.keys.Count);
}
// set new stuff.
way.Id = pbfWay.id;
if (pbfWay.refs.Count > 0)
{ // fill nodes-list.
long nodeId = 0;
for (int i = 0; i < pbfWay.refs.Count; i++)
{
nodeId = nodeId + pbfWay.refs[i];
way.Nodes[i] = nodeId;
}
}
if (pbfWay.keys.Count > 0)
{
for (var i = 0; i < pbfWay.keys.Count; i++)
{
var key = System.Text.Encoding.UTF8.GetString(block.stringtable.s[(int)pbfWay.keys[i]]);
var value = System.Text.Encoding.UTF8.GetString(block.stringtable.s[(int)pbfWay.vals[i]]);
way.Tags.Add(new Tag(key, value));
}
}
if (pbfWay.info != null)
{ // add the metadata if any.
way.ChangeSetId = pbfWay.info.changeset;
way.TimeStamp = Encoder.DecodeTimestamp(pbfWay.info.timestamp, block.date_granularity);
way.UserId = pbfWay.info.uid;
way.UserName = null;
if (block.stringtable != null)
{
way.UserName = System.Text.Encoding.UTF8.GetString(block.stringtable.s[pbfWay.info.user_sid]);
}
way.Version = pbfWay.info.version;
}
way.Visible = true;
}
