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PBFReader.cs
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PBFReader.cs
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using System;
using System.IO;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Xml;
using ProtoBuf;
using Ionic.Zlib;
namespace OSM2SHP
{
public class OSMPBFReader : FileStream
{
#region classes
[ProtoContract]
public class BlobHeader
{
[ProtoMember(1, IsRequired = true)]
public string type;
[ProtoMember(2, IsRequired = false)]
public byte[] indexdata;
[ProtoMember(3, IsRequired = true)]
public int datasize;
}
[ProtoContract]
public class Blob
{
[ProtoMember(1, IsRequired = false)]
public byte[] raw;
[ProtoMember(2, IsRequired = false)]
public int raw_size;
[ProtoMember(3, IsRequired = false)]
public byte[] zlib_data;
}
[ProtoContract]
public class HeaderBBox
{
[ProtoMember(1)]
public long left;
[ProtoMember(2)]
public long right;
[ProtoMember(3)]
public long top;
[ProtoMember(4)]
public long bottom;
}
[ProtoContract]
public class HeaderBlock
{
[ProtoMember(1, IsRequired = false)]
public HeaderBBox bbox;
[ProtoMember(4)]
public List<string> required_features;
[ProtoMember(5)]
public List<string> optional_features;
[ProtoMember(16, IsRequired = false)]
public string optional_string;
[ProtoMember(17, IsRequired = false)]
public string source;
[ProtoMember(32, IsRequired = false)]
public long osmosis_replication_timestamp;
[ProtoMember(33, IsRequired = false)]
public long osmosis_replication_sequence_number;
public double[] GetBBox
{
get
{
double[] result = new double[] { -180, 180, -90, 90 };
if (bbox == null) return result;
result[0] = .000000001 * ((bbox.left % 2) == 0 ? bbox.left / 2 : (bbox.left + 1) / 2);
result[1] = .000000001 * ((bbox.right % 2) == 0 ? bbox.right / 2 : (bbox.right + 1) / 2);
result[2] = .000000001 * ((bbox.bottom % 2) == 0 ? bbox.bottom / 2 : (bbox.bottom + 1) / 2);
result[3] = .000000001 * ((bbox.top % 2) == 0 ? bbox.top / 2 : (bbox.top + 1) / 2);
return result;
}
}
}
[ProtoContract]
public class PrimitiveBlock
{
[ProtoMember(1)]
public StringTable stringtable;
[ProtoMember(2)]
public List<PrimitiveGroup> primitivegroup;
[ProtoMember(17, IsRequired = false)]
public int granularity = 100;
[ProtoMember(19, IsRequired = false)]
public long lat_offset = 0;
[ProtoMember(20, IsRequired = false)]
public long lon_offset = 0;
[ProtoMember(18, IsRequired = false)]
public int date_granularity = 1000;
}
[ProtoContract]
public class StringTable
{
[ProtoMember(1)]
public List<string> strings;
}
[ProtoContract]
public class PrimitiveGroup
{
[ProtoMember(1)]
public List<Node> nodes;
[ProtoMember(2, IsRequired = false)]
public DenseNodes dense;
[ProtoMember(3)]
public List<Way> ways;
[ProtoMember(4)]
public List<Relation> relations;
[ProtoMember(5)]
public List<ChangeSet> changesets;
}
[ProtoContract]
public class Node
{
[ProtoMember(1)]
public long id;
[ProtoMember(2, IsPacked = true)]
public List<int> keys;
[ProtoMember(3, IsPacked = true)]
public List<int> vals;
[ProtoMember(4, IsRequired = false)]
public Info info;
[ProtoMember(8)]
public long lat;
[ProtoMember(9)]
public long lon;
public double GetLat(PrimitiveBlock pb)
{
return .000000001 * (pb.lat_offset + (pb.granularity * (((lat % 2) == 0) ? lat / 2 : (lat + 1) / 2)));
}
public double GetLon(PrimitiveBlock pb)
{
return .000000001 * (pb.lon_offset + (pb.granularity * (((lon % 2) == 0) ? lon / 2 : (lon + 1) / 2)));
}
public Dictionary<string, string> GetTags(PrimitiveBlock pb)
{
Dictionary<string, string> result = new Dictionary<string, string>();
if ((keys != null) && (vals != null) && (keys.Count > 0) && (keys.Count == vals.Count))
for (int i = 0; i < keys.Count; i++)
result.Add(pb.stringtable.strings[keys[i]], pb.stringtable.strings[vals[i]]);
return result;
}
public NodeInfo GetNode(PrimitiveBlock pb)
{
NodeInfo ni = new NodeInfo();
ni.id = this.id;
ni.lat = GetLat(pb);
ni.lon = GetLon(pb);
ni.tags = GetTags(pb);
return ni;
}
}
[ProtoContract]
public class DenseNodes
{
[ProtoMember(1, IsPacked = true)]
public List<long> id; // DELTA coded
[ProtoMember(5, IsRequired = false)]
public DenseInfo denseinfo;
[ProtoMember(8)]
public List<long> lat; // DELTA coded
[ProtoMember(9, IsPacked = true)]
public List<long> lon; // DELTA coded
[ProtoMember(10, IsPacked = true)]
public List<int> keys_vals;
public int Count
{
get
{
if (id == null) return 0;
return id.Count;
}
}
private int __index = -1;
private long[] __next = new long[9] { 0, 0, 0, 0, 0, 0, 0, 0, 0 };
protected internal PrimitiveBlock __pb = null;
public PrimitiveBlock PrimBlock { get { return __pb; } set { __pb = value; } }
public KeyValuePair<int, NodeInfo> Next
{
get
{
if (__pb == null) throw new Exception("PrimitiveBlock is not set!");
if (__index >= (Count - 1)) return new KeyValuePair<int, NodeInfo>(-1, null);
__index++;
NodeInfo ni = new NodeInfo();
// ID
if ((this.id[__index] % 2) == 0)
__next[0] += this.id[__index] / 2;
else
__next[0] -= (this.id[__index] + 1) / 2;
// LAT
if ((this.lat[__index] % 2) == 0)
__next[1] += this.lat[__index] / 2;
else
__next[1] -= (this.lat[__index] + 1) / 2;
// LON
if ((this.lon[__index] % 2) == 0)
__next[2] += this.lon[__index] / 2;
else
__next[2] -= (this.lon[__index] + 1) / 2;
if (this.denseinfo != null) // NO DENSE INFO
{
// Timestamp
if ((this.denseinfo.timestamp[__index] % 2) == 0)
__next[3] += this.denseinfo.timestamp[__index] / 2;
else
__next[3] -= (this.denseinfo.timestamp[__index] + 1) / 2;
//ChangeSet
if ((this.denseinfo.changeset[__index] % 2) == 0)
__next[4] += this.denseinfo.changeset[__index] / 2;
else
__next[4] -= (this.denseinfo.changeset[__index] + 1) / 2;
//UID
if ((this.denseinfo.uid[__index] % 2) == 0)
__next[5] += this.denseinfo.uid[__index] / 2;
else
__next[5] -= (this.denseinfo.uid[__index] + 1) / 2;
//USID
if ((this.denseinfo.user_sid[__index] % 2) == 0)
__next[6] += this.denseinfo.user_sid[__index] / 2;
else
__next[6] -= (this.denseinfo.user_sid[__index] + 1) / 2;
};
// TAGS
for (int i = (int)__next[7]; (i < this.keys_vals.Count) && (__index == __next[8]); i++)
{
if (this.keys_vals[i] == 0)
{
__next[7] = i + 1;
__next[8]++;
break;
}
else
{
int k = this.keys_vals[i++];
int v = this.keys_vals[i];
ni.tags.Add(__pb.stringtable.strings[k], __pb.stringtable.strings[v]);
};
};
ni.id = __next[0];
ni.lat = (double).000000001 * ((double)__pb.lat_offset + ((double)__pb.granularity * (double)__next[1]));
ni.lon = (double).000000001 * ((double)__pb.lon_offset + ((double)__pb.granularity * (double)__next[2]));
if (this.denseinfo != null) // NO DENSE INFO
{
ni.timestamp = __next[3];
ni.changeset = __next[4];
ni.uid = (int)__next[5];
ni.user = __pb.stringtable.strings[(int)__next[6]];
ni.version = this.denseinfo.version[__index];
};
return new KeyValuePair<int, NodeInfo>(__index, ni);
}
}
public long GetID(int index)
{
if (Count == 0) return -1;
long result = 0;
for (int i = 0; i < Count; i++)
{
if ((this.id[i] % 2) == 0)
result += this.id[i] / 2;
else
result -= (this.id[i] + 1) / 2;
if (i == index) return result;
};
return -1;
}
public int GetIndex(long id)
{
if (Count == 0) return -1;
long result = 0;
for (int i = 0; i < Count; i++)
{
if ((this.id[i] % 2) == 0)
result += this.id[i] / 2;
else
result -= (this.id[i] + 1) / 2;
if (result == id) return i;
};
return -1;
}
public double GetLat(int index)
{
if (__pb == null) throw new Exception("PrimitiveBlock is not set!");
long lat = 0;
for (int i = 0; i < Count; i++)
{
if ((this.lat[i] % 2) == 0)
lat += this.lat[i] / 2;
else
lat -= (this.lat[i] + 1) / 2;
if (i == index)
return (double).000000001 * ((double)__pb.lat_offset + ((double)__pb.granularity * (double)lat));
};
return 0;
}
public double GetLat(long id)
{
return GetLat(GetIndex(id));
}
public double GetLon(int index)
{
if (__pb == null) throw new Exception("PrimitiveBlock is not set!");
long lon = 0;
for (int i = 0; i < Count; i++)
{
if ((this.lon[i] % 2) == 0)
lon += this.lon[i] / 2;
else
lon -= (this.lon[i] + 1) / 2;
if (i == index)
return (double).000000001 * ((double)__pb.lon_offset + ((double)__pb.granularity * (double)lon));
};
return 0;
}
public double GetLon(long id)
{
return GetLon(GetIndex(id));
}
public long GetTimeStamp(int index)
{
long res = 0;
for (int i = 0; i < Count; i++)
{
if ((this.denseinfo.timestamp[i] % 2) == 0)
res += this.denseinfo.timestamp[i] / 2;
else
res -= (this.denseinfo.timestamp[i] + 1) / 2;
if (i == index) return res;
};
return 0;
}
public long GetTimeStamp(long id)
{
return GetTimeStamp(GetIndex(id));
}
public long GetChangeSet(int index)
{
long res = 0;
for (int i = 0; i < Count; i++)
{
if ((this.denseinfo.changeset[i] % 2) == 0)
res += this.denseinfo.changeset[i] / 2;
else
res -= (this.denseinfo.changeset[i] + 1) / 2;
if (i == index) return res;
};
return 0;
}
public long GetChangeSet(long id)
{
return GetChangeSet(GetIndex(id));
}
public int GetUID(int index)
{
int res = 0;
for (int i = 0; i < Count; i++)
{
if ((this.denseinfo.uid[i] % 2) == 0)
res += this.denseinfo.uid[i] / 2;
else
res -= (this.denseinfo.uid[i] + 1) / 2;
if (i == index) return res;
};
return 0;
}
public int GetUID(long id)
{
return GetUID(GetIndex(id));
}
public long GetUSID(int index)
{
long res = 0;
for (int i = 0; i < Count; i++)
{
if ((this.denseinfo.user_sid[i] % 2) == 0)
res += this.denseinfo.user_sid[i] / 2;
else
res -= (this.denseinfo.user_sid[i] + 1) / 2;
if (i == index) return res;
};
return 0;
}
public long GetUSID(long id)
{
return GetUSID(GetIndex(id));
}
public Dictionary<string, string> GetTags(int index)
{
if (__pb == null) throw new Exception("PrimitiveBlock is not set!");
Dictionary<string, string> result = new Dictionary<string, string>();
int curr_id = 0;
for (int i = 0; (i < this.keys_vals.Count) && (index >= curr_id); i++)
{
if (this.keys_vals[i] == 0)
curr_id++;
else if (index == curr_id)
{
int k = this.keys_vals[i++];
int v = this.keys_vals[i];
if (!result.ContainsKey(__pb.stringtable.strings[k]))
result.Add(__pb.stringtable.strings[k], __pb.stringtable.strings[v]);
else
result[__pb.stringtable.strings[k]] += "\r\n" + __pb.stringtable.strings[v];
};
};
return result;
}
public Dictionary<string, string> GetTags(long id)
{
return GetTags(GetIndex(id));
}
public NodeInfo GetNode(int index)
{
if (__pb == null) throw new Exception("PrimitiveBlock is not set!");
NodeInfo ni = new NodeInfo();
long id = 0, lat = 0, lon = 0, ts = 0, cs = 0, usid = 0;
int uid = 0;
for (int i = 0; i < Count; i++)
{
// ID
if ((this.id[i] % 2) == 0)
id += this.id[i] / 2;
else
id -= (this.id[i] + 1) / 2;
// LAT
if ((this.lat[i] % 2) == 0)
lat += this.lat[i] / 2;
else
lat -= (this.lat[i] + 1) / 2;
// LON
if ((this.lon[i] % 2) == 0)
lon += this.lon[i] / 2;
else
lon -= (this.lon[i] + 1) / 2;
if (this.denseinfo != null) // NO DENSE INFO
{
// Timestamp
if ((this.denseinfo.timestamp[i] % 2) == 0)
ts += this.denseinfo.timestamp[i] / 2;
else
ts -= (this.denseinfo.timestamp[i] + 1) / 2;
//ChangeSet
if ((this.denseinfo.changeset[i] % 2) == 0)
cs += this.denseinfo.changeset[i] / 2;
else
cs -= (this.denseinfo.changeset[i] + 1) / 2;
//UID
if ((this.denseinfo.uid[i] % 2) == 0)
uid += this.denseinfo.uid[i] / 2;
else
uid -= (this.denseinfo.uid[i] + 1) / 2;
//USID
if ((this.denseinfo.user_sid[i] % 2) == 0)
usid += this.denseinfo.user_sid[i] / 2;
else
usid -= (this.denseinfo.user_sid[i] + 1) / 2;
};
if (i == index) break;
};
// TAGS
int curr_id = 0;
for (int i = 0; (i < this.keys_vals.Count) && (index >= curr_id); i++)
{
if (this.keys_vals[i] == 0)
curr_id++;
else if (index == curr_id)
{
int k = this.keys_vals[i++];
int v = this.keys_vals[i];
if (!ni.tags.ContainsKey(__pb.stringtable.strings[k]))
ni.tags.Add(__pb.stringtable.strings[k], __pb.stringtable.strings[v]);
else
ni.tags[__pb.stringtable.strings[k]] += "\r\n" + __pb.stringtable.strings[v];
};
};
ni.id = id;
ni.lat = (double).000000001 * ((double)__pb.lat_offset + ((double)__pb.granularity * (double)lat));
ni.lon = (double).000000001 * ((double)__pb.lon_offset + ((double)__pb.granularity * (double)lon));
if (this.denseinfo != null) // NO DENSE INFO
{
ni.timestamp = ts;
ni.changeset = cs;
ni.uid = uid;
ni.user = __pb.stringtable.strings[(int)usid];
ni.version = this.denseinfo.version[index];
};
return ni;
}
public NodeInfo GetNode(long id)
{
return GetNode(GetIndex(id));
}
}
/// <summary>
/// Tags Utils
/// </summary>
public abstract class TagsInfo
{
public int infoType { get { return GetInfoType(); } }
public abstract int GetInfoType();
public int PointsCount { get { return GetPointsCount(); } }
public abstract int GetPointsCount();
public abstract PointF GetPoint(int index);
public Dictionary<string, string> tags = new Dictionary<string, string>();
public bool HasTags
{
get
{
return tags.Count > 0;
}
}
public int TagsCount
{
get
{
return tags.Count;
}
}
public string TagsAll
{
get
{
if (tags.Count == 0) return null;
string result = "";
foreach (KeyValuePair<string, string> tag in tags)
result += tag.Key + "=" + tag.Value + "\r\n";
return result;
}
}
public bool HasTag(string k)
{
if (tags.Count == 0) return false;
foreach (KeyValuePair<string, string> kvp in tags)
if (kvp.Key == k)
return true;
return false;
}
public string GetTag(string k)
{
if (tags.Count == 0) return null;
foreach (KeyValuePair<string, string> kvp in tags)
if (kvp.Key == k)
return kvp.Value;
return null;
}
public bool HasName
{
get
{
if (tags.Count == 0) return false;
foreach (KeyValuePair<string, string> kvp in tags)
if (kvp.Key == "name")
return true;
return false;
}
}
public string Name
{
get
{
if (tags.Count == 0) return null;
foreach (KeyValuePair<string, string> kvp in tags)
if (kvp.Key == "name")
return kvp.Value;
return null;
}
}
public int AddrTagsCount
{
get
{
if (tags.Count == 0) return 0;
int res = 0;
foreach (KeyValuePair<string, string> kvp in this.tags)
if (kvp.Key.IndexOf("addr") == 0)
res++;
return res;
}
}
public string Addr
{
get
{
if (tags.Count == 0) return null;
string addr = "";
if (tags.ContainsKey("addr:country")) addr += tags["addr:country"];
if (addr.Length > 0) addr += ", ";
if (tags.ContainsKey("addr:postcode")) addr += tags["addr:postcode"];
if (addr.Length > 0) addr += ", ";
if (tags.ContainsKey("addr:district")) addr += tags["addr:district"];
if (addr.Length > 0) addr += ", ";
if (tags.ContainsKey("addr:region")) addr += tags["addr:region"];
if (addr.Length > 0) addr += ", ";
if (tags.ContainsKey("addr:city")) addr += tags["addr:city"];
if (addr.Length > 0) addr += ", ";
if (tags.ContainsKey("addr:street")) addr += tags["addr:street"];
if (addr.Length > 0) addr += ", ";
if (tags.ContainsKey("addr:housenumber")) addr += tags["addr:housenumber"];
return addr;
}
}
public string this[string tag]
{
get
{
if (this.tags == null) return null;
if (this.tags.Count == 0) return null;
if (!this.tags.ContainsKey(tag)) return null;
return this.tags[tag];
}
}
}
public class NodeInfo : TagsInfo
{
public long id = 0;
public double lat = 0;
public double lon = 0;
public int version = 0;
public long timestamp = 0;
public long changeset = 0;
public int uid = 0;
public string user = "";
public string icon = "noicon";
public override int GetInfoType() { return 1; }
public override int GetPointsCount() { return 1; }
public override PointF GetPoint(int index) { return point; }
public PointF point
{
get
{
return new PointF((float)lon, (float)lat);
}
}
public DateTime datetime
{
get
{
System.DateTime dtDateTime = new DateTime(1970, 1, 1, 0, 0, 0, 0, System.DateTimeKind.Utc);
return dtDateTime.AddSeconds(timestamp);
}
set
{
timestamp = (long)(value - new DateTime(1970, 1, 1)).TotalSeconds;
}
}
}
[ProtoContract]
public class Way : TagsInfo
{
[ProtoMember(1)]
public long id;
[ProtoMember(2, IsPacked = true)]
public List<int> keys;
[ProtoMember(3, IsPacked = true)]
public List<int> vals;
[ProtoMember(4, IsRequired = false)]
public Info info;
[ProtoMember(8, IsPacked = true)]
public List<long> refs; // DELTA coded
[ProtoIgnore]
public NodesXYIndex.IdLatLon[] _points = new NodesXYIndex.IdLatLon[0];
public override int GetInfoType() { return 2; }
public override int GetPointsCount() { return _points.Length; }
public override PointF GetPoint(int index) { return new PointF((float)_points[index].lon, (float)_points[index].lat); }
public Dictionary<string, string> GetTags(PrimitiveBlock pb)
{
if (pb == null) throw new Exception("PrimitiveBlock is not set!");
Dictionary<string, string> result = new Dictionary<string, string>();
if (this.keys == null) return result;
if (this.vals == null) return result;
if (this.keys.Count == 0) return result;
if (this.vals.Count == 0) return result;
if (this.keys.Count != this.vals.Count) return result;
for (int i = 0; i < this.keys.Count; i++)
{
int k = this.keys[i];
int v = this.vals[i];
if (!result.ContainsKey(pb.stringtable.strings[k]))
result.Add(pb.stringtable.strings[k], pb.stringtable.strings[v]);
else
result[pb.stringtable.strings[k]] += "\r\n" + pb.stringtable.strings[v];
};
return result;
}
private long[] _nd = null;
public long[] NodeDefs
{
get
{
if ((_nd == null) && (refs != null) && (refs.Count > 0))
{
long[] res = new long[this.refs.Count];
for (int __index = 0; __index < res.Length; __index++)
{
if ((refs[__index] % 2) == 0)
res[__index] = (__index > 0 ? res[__index - 1] : 0) + refs[__index] / 2;
else
res[__index] = (__index > 0 ? res[__index - 1] : 0) - (refs[__index] + 1) / 2;
};
_nd = res;
};
return _nd;
}
set
{
_nd = value;
}
}
}
[ProtoContract]
public class Relation : TagsInfo
{
public enum MemberType
{
NODE = 0,
WAY = 1,
RELATION = 2
}
[ProtoMember(1)]
public long id;
[ProtoMember(2, IsPacked = true)]
public List<int> keys;
[ProtoMember(3, IsPacked = true)]
public List<int> vals;
[ProtoMember(4, IsRequired = false)]
public Info info;
[ProtoMember(8, IsPacked = true)]
public List<int> roles_sid;
[ProtoMember(9, IsPacked = true)]
public List<long> memids; // DELTA coded
[ProtoMember(10, IsPacked = true)]
public List<MemberType> types;
[ProtoIgnore]
public NodesXYIndex.IdLatLon[] _points = new NodesXYIndex.IdLatLon[0];
public override int GetInfoType() { return 3; }
public override int GetPointsCount() { return _points.Length; }
public override PointF GetPoint(int index) { return new PointF((float)_points[index].lon, (float)_points[index].lat); }
public Dictionary<string, string> GetTags(PrimitiveBlock pb)
{
if (pb == null) throw new Exception("PrimitiveBlock is not set!");
Dictionary<string, string> result = new Dictionary<string, string>();
if (this.keys == null) return result;
if (this.vals == null) return result;
if (this.keys.Count == 0) return result;
if (this.vals.Count == 0) return result;
if (this.keys.Count != this.vals.Count) return result;
for (int i = 0; i < this.keys.Count; i++)
{
int k = this.keys[i];
int v = this.vals[i];
if (!result.ContainsKey(pb.stringtable.strings[k]))
result.Add(pb.stringtable.strings[k], pb.stringtable.strings[v]);
else
result[pb.stringtable.strings[k]] += "\r\n" + pb.stringtable.strings[v];
};
return result;
}
public List<string> roles = new List<string>();
public List<string> GetRoles(PrimitiveBlock pb)
{
if (pb == null) throw new Exception("PrimitiveBlock is not set!");
List<string> result = new List<string>();
if (this.roles_sid == null) return result;
if (this.roles_sid.Count == 0) return result;
for (int i = 0; i < this.roles_sid.Count; i++)
result.Add(pb.stringtable.strings[this.roles_sid[i]]);
return result;
}
private long[] _mids = null;
public long[] Refs
{
get
{
if ((_mids == null) && (memids != null) && (memids.Count > 0))
{
long[] res = new long[this.memids.Count];
for (int __index = 0; __index < res.Length; __index++)
{
if ((memids[__index] % 2) == 0)
res[__index] = (__index > 0 ? res[__index - 1] : 0) + memids[__index] / 2;
else
res[__index] = (__index > 0 ? res[__index - 1] : 0) - (memids[__index] + 1) / 2;
};
_mids = res;
};
return _mids;
}
set
{
_mids = value;
}
}
}
[ProtoContract]
public class ChangeSet
{
[ProtoMember(1)]
public long id;
}
[ProtoContract]
public class Info
{
[ProtoMember(1, IsRequired = false)]
public int version;
[ProtoMember(2, IsRequired = false)]
public long timestamp;
[ProtoMember(3, IsRequired = false)]
public long changeset;
[ProtoMember(4, IsRequired = false)]
public int uid;
[ProtoMember(5, IsRequired = false)]
public uint user_sid;
public string user = "";
[ProtoMember(6, IsRequired = false)]
public bool visible;
public DateTime datetime
{
get
{
System.DateTime dtDateTime = new DateTime(1970, 1, 1, 0, 0, 0, 0, System.DateTimeKind.Utc);
return dtDateTime.AddSeconds(timestamp);
}
set
{
timestamp = (long)(value - new DateTime(1970, 1, 1)).TotalSeconds;
}
}
}
[ProtoContract]
public class DenseInfo
{
[ProtoMember(1, IsPacked = true)]
public List<int> version;
[ProtoMember(2, IsPacked = true)]
public List<long> timestamp; // DELTA coded
[ProtoMember(3, IsPacked = true)]
public List<long> changeset; // DELTA coded
[ProtoMember(4, IsPacked = true)]
public List<int> uid; // DELTA coded
[ProtoMember(5, IsPacked = true)]
public List<uint> user_sid; // DELTA coded
[ProtoMember(6, IsPacked = true)]
public List<bool> visible;
}
#endregion classes
private bool _validFile = false;
private int _blockHeaders = 0;
private int _blockBlobs = 0;
private int _osmHeaders = 0;
private int _osmDatas = 0;
private string _fileName = "";
private HeaderBlock _headerBlock = null;
private PrimitiveBlock _primitiveBlock = null;
private BlobHeader _blobheader = null;
private Blob _blob = null;
public bool ValidHeader { get { return _validFile; } }
public int TotalHeaders { get { return _blockHeaders; } }
public int TotalBlobs { get { return _blockBlobs; } }
public int OSMHeaders { get { return _osmHeaders; } }
public int OSMDatas { get { return _osmDatas; } }
public string FileName { get { return _fileName; } }
public bool EndOfFile { get { return this.Position == this.Length; } }
public bool HasOSMHeader { get { return _headerBlock != null; } }
public bool HasOSMPrimitiveBlock { get { return _primitiveBlock != null; } }
public BlobHeader PBFBlobHeader { get { return _blobheader; } }
public Blob PBFBlob { get { return _blob; } }
public HeaderBlock OSMHeaderBlock { get { return _headerBlock; } }
public PrimitiveBlock OSMPrimitiveBlock { get { return _primitiveBlock; } }
private static MyBitConverter bc = new MyBitConverter(false);
public OSMPBFReader(string fileName)
: base(fileName, FileMode.Open, FileAccess.Read)
{
this._fileName = fileName;
if (this.Length < 15) return;
this.Position = 6;
byte[] ha = new byte[9];
this.Read(ha, 0, ha.Length);
if (System.Text.Encoding.ASCII.GetString(ha) == "OSMHeader")
_validFile = true;
this.Position = 0;
ResetCounters();
}
private void ResetCounters()
{
_blockHeaders = 0;
_blockBlobs = 0;
_osmHeaders = 0;
_osmDatas = 0;
_headerBlock = null;