public void Decompress()
{
if (OsmFile.Extension != ".zip")
{
return;
}
DirectoryInfo osmFileDir = new DirectoryInfo(OsmFile.DirectoryName);
try
{
ZipArchive archive = ZipFile.OpenRead(OsmFile.FullName);
ZipArchiveEntry entry = archive.Entries[0];
string fileName = string.Format("{0}\\{1}", osmFileDir.FullName, entry.FullName);
entry.ExtractToFile(fileName);
FileInfo unzippedFile = new FileInfo(fileName);
if (unzippedFile.Exists)
{
archive.Dispose();
archive = null;
OsmFile.Delete();
OsmFile = unzippedFile;
Zipped = false;
}
else
{
throw new Exception("Unable to decompress OSM file.");
}
}
catch (Exception ex)
{
LogHelper.LogException(ex);
}
}
public Stream OpenWrite()
{
try
{
if (OsmFile.FullName == string.Empty)
{
throw new ArgumentException("File name is null");
}
else if (!OsmFile.Exists)
{
OsmFile.Create();
}
if (Zipped == true)
{
if (ZipArchive != null)
{
ZipArchive.Dispose();
ZipArchive = null;
}
ZipArchive = new ZipArchive(OsmFile.OpenRead(), ZipArchiveMode.Update);
ZipArchiveEntry osmFileEntry = ZipArchive.CreateEntry(string.Format("{0}.osm", OsmFile.Name.Substring(0, OsmFile.Name.Length - OsmFile.Extension.Length)));
return(osmFileEntry.Open());
}
else
{
return(OsmFile.OpenWrite());
}
} catch (Exception ex)
{
LogHelper.LogException(ex);
return(null);
}
}
public Stream OpenRead()
{
try
{
if (!OsmFile.Exists)
{
throw new FileNotFoundException(m_fileInfo.Name);
}
if (Zipped == true)
{
if (ZipArchive != null)
{
ZipArchive.Dispose();
ZipArchive = null;
}
ZipArchive = ZipFile.Open(OsmFile.FullName, ZipArchiveMode.Read);
ZipArchiveEntry entry = ZipArchive.GetEntry(OsmFile.Name.Substring(0, OsmFile.Name.Length - OsmFile.Extension.Length));
return(entry.Open());
}
else
{
return(OsmFile.OpenRead());
}
} catch (Exception ex)
{
LogHelper.LogException(ex);
return(null);
}
}
public void Compress()
{
if (OsmFile.Extension == ".zip" || OsmFile.Extension == ".pbf")
{
if (Zipped || OsmFile.Extension == ".pbf") // PBF files are already compressed, we don't deal with them
{
return;
}
else
{
Zipped = true;
return;
}
}
FileInfo tempFile = null;
DirectoryInfo osmFileDir = new DirectoryInfo(OsmFile.DirectoryName);
DirectoryInfo tempDir = new DirectoryInfo(string.Format("{0}\\temp\\{1}", Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), DateTime.Now.Ticks));
string name = OsmFile.Name;
string zipName = string.Format("{0}\\{1}.zip", osmFileDir.FullName, name);
try
{
tempDir.Create();
tempFile = new FileInfo(string.Format("{0}\\{1}", tempDir.FullName, OsmFile.Name));
OsmFile.CopyTo(tempFile.FullName);
ZipFile.CreateFromDirectory(tempDir.FullName, zipName);
FileInfo zipFile = new FileInfo(zipName);
if (zipFile.Exists)
{
zipFile.LastWriteTimeUtc = OsmFile.LastWriteTimeUtc;
zipFile.CreationTimeUtc = OsmFile.CreationTimeUtc;
File.Delete(OsmFile.FullName);
OsmFile = zipFile;
}
else
{
throw new Exception("Unable to compress OSM file, zipFile does not exist.");
}
Zipped = true;
}
catch (Exception ex)
{
LogHelper.LogException(ex);
}
finally
{
if (tempDir.Exists)
{
tempDir.Delete(true);
}
}
}
public void WriteAllText(string input)
{
try
{
if (OsmFile.FullName == string.Empty)
{
throw new ArgumentException("File name is null");
}
else if (Zipped == true)
{
if (ZipArchive != null)
{
ZipArchive.Dispose();
ZipArchive = null;
}
ZipArchive = new ZipArchive(OsmFile.OpenRead(), ZipArchiveMode.Update);
ZipArchiveEntry osmFileEntry = null;
string entryName = string.Format("{0}.osm", OsmFile.Name.Substring(0, OsmFile.Name.Length - OsmFile.Extension.Length));
try
{
osmFileEntry = ZipArchive.GetEntry(entryName);
}
catch (Exception ex)
{
}
if (osmFileEntry == null)
{
osmFileEntry = ZipArchive.CreateEntry(entryName);
}
using (Stream stream = osmFileEntry.Open())
{
using (StreamWriter sw = new StreamWriter(stream))
{
sw.Write(input);
}
}
}
else
{
File.WriteAllText(OsmFile.FullName, input);
}
} catch (Exception ex)
{
LogHelper.LogException(ex);
}
}
public byte[] ReadAllBytes()
{
try
{
if (!OsmFile.Exists)
{
throw new FileNotFoundException(OsmFile.FullName);
}
else if (Zipped == true)
{
if (ZipArchive != null)
{
ZipArchive.Dispose();
ZipArchive = null;
}
ZipArchive = new ZipArchive(OsmFile.OpenRead(), ZipArchiveMode.Update);
ZipArchiveEntry osmFileEntry = ZipArchive.CreateEntry(string.Format("{0}.osm", OsmFile.Name.Substring(0, OsmFile.Name.Length - OsmFile.Extension.Length)));
using (Stream stream = osmFileEntry.Open())
{
using (MemoryStream memStream = new MemoryStream())
{
byte[] buffer = new byte[16 * 1024];
int read;
while ((read = stream.Read(buffer, 0, buffer.Length)) > 0)
{
memStream.Write(buffer, 0, read);
}
return(memStream.ToArray());
}
}
}
else
{
return(File.ReadAllBytes(OsmFile.FullName));
}
} catch (Exception ex)
{
LogHelper.LogException(ex);
return(null);
}
}
public static bool SplitWay(this OsmFile osmFile, OSMWay wayToSplit, LatitudeLongitude splitStart, LatitudeLongitude splitEnd)
{
try
{
// Find where split path intersects way
List <OSMNode> nodesForWay = new List <OSMNode>();
foreach (string nodeId in wayToSplit.NodeReferences)
{
OSMNode node;
if (osmFile.NodesById.TryGetValue(nodeId, out node))
{
nodesForWay.Add(node);
}
}
// Create separate ways
// Remove intersection connections
return(true);
} catch (Exception ex)
{
}
return(false);
}
public string ReadAllText()
{
try
{
if (!OsmFile.Exists)
{
throw new FileNotFoundException(OsmFile.FullName);
}
else if (Zipped == true)
{
if (ZipArchive != null)
{
ZipArchive.Dispose();
ZipArchive = null;
}
ZipArchive = new ZipArchive(OsmFile.OpenRead(), ZipArchiveMode.Update);
ZipArchiveEntry osmFileEntry = ZipArchive.CreateEntry(string.Format("{0}.osm", OsmFile.Name.Substring(0, OsmFile.Name.Length - OsmFile.Extension.Length)));
using (Stream stream = osmFileEntry.Open())
{
using (StreamReader sr = new StreamReader(stream))
{
return(sr.ReadToEnd());
}
}
}
else
{
return(File.ReadAllText(OsmFile.FullName));
}
} catch (Exception ex)
{
LogHelper.LogException(ex);
return("");
}
}
