/// <summary>
/// Initializes a new instance of the PbfReader class that read data form specified file.
/// </summary>
/// <param name="path">The path to the input file.</param>
/// <param name="settings">The OsmReaderSettings object that determines behaviour of PbfReader.</param>
public PbfReader(string path, OsmReaderSettings settings)
{
_input = new FileStream(path, FileMode.Open, FileAccess.Read);
_cache = new Queue <IEntityInfo>();
this.Settings = settings;
this.Settings.IsReadOnly = true;
BlobHeader blobHeader = null;
while ((blobHeader = this.ReadBlobHeader()) != null)
{
try {
if (blobHeader.Type == "OSMHeader")
{
OsmHeader osmHeader = (OsmHeader)this.ReadBlob(blobHeader);
this.ProcessOsmHeader(osmHeader);
return;
}
else if (blobHeader.Type == "OSMData")
{
throw new InvalidDataException("Input stream doesn't contain an 'OSMHeader' block before 'OSMData' block.");
}
else
{
_input.Seek(blobHeader.DataSize, SeekOrigin.Current);
}
} catch (ProtoException ex) {
throw new InvalidDataException("Input stream contains unsupported data", ex);
}
}
throw new InvalidDataException("Input stream doesn't contain an 'OSMHeader' block.");
}
/// <summary>
/// Initializes a new instance of the PbfReader class that read data form specified file.
/// </summary>
/// <param name="path">The path to the input file.</param>
/// <param name="settings">The OsmReaderSettings object that determines behaviour of PbfReader.</param>
public PbfReader(string path, OsmReaderSettings settings)
{
_input = new FileStream(path, FileMode.Open, FileAccess.Read);
_cache = new Queue<IEntityInfo>();
this.Settings = settings;
this.Settings.IsReadOnly = true;
BlobHeader blobHeader = null;
while ((blobHeader = this.ReadBlobHeader()) != null) {
if (blobHeader.Type == "OSMHeader") {
OsmHeader osmHeader = (OsmHeader)this.ReadBlob(blobHeader);
this.ProcessOsmHeader(osmHeader);
return;
}
else if (blobHeader.Type == "OSMData") {
throw new InvalidDataException("Input stream doesn't contain an 'OSMHeader' block before 'OSMData' block.");
}
else {
_input.Seek(blobHeader.DataSize, SeekOrigin.Current);
}
}
throw new InvalidDataException("Input stream doesn't contain an 'OSMHeader' block.");
}
/// <summary>
/// Initializes a new instance of the PbfReader class that read data form specified stream.
/// </summary>
/// <param name="input">The input stream.</param>
/// <param name="settings">The OsmReaderSettings object that determines behaviour of PbfReader.</param>
public PbfReader(Stream input, OsmReaderSettings settings)
{
_input = input;
_cache = new Queue <IEntityInfo>();
this.Settings = settings;
this.Settings.IsReadOnly = true;
BlobHeader blobHeader = null;
while ((blobHeader = this.ReadBlobHeader()) != null)
{
if (blobHeader.Type == "OSMHeader")
{
OsmHeader osmHeader = (OsmHeader)this.ReadBlob(blobHeader);
this.ProcessOsmHeader(osmHeader);
return;
}
else if (blobHeader.Type == "OSMData")
{
throw new InvalidDataException("Input stream doesn't contain an 'OSMHeader' block before 'OSMData' block.");
}
else
{
_input.Seek(blobHeader.DataSize, SeekOrigin.Current);
}
}
throw new InvalidDataException("Input stream doesn't contain an 'OSMHeader' block.");
}
public void ReadMetadataSetter_ThrowInvaldOperationExceptionIfSettingsIsReadOnly()
{
OsmReaderSettings target = new OsmReaderSettings();
target.IsReadOnly = true;
Assert.Throws<InvalidOperationException>(() => target.ReadMetadata = true);
}
public void Constructor_StreamSettings_SetsSettingsAndMakesThemIsReadOnly()
{
MemoryStream dataStream = new MemoryStream(PbfTestData.pbf_n_node);
OsmReaderSettings settings = new OsmReaderSettings();
using (PbfReader target = new PbfReader(dataStream, settings)) {
Assert.Same(settings, target.Settings);
Assert.True(settings.IsReadOnly);
}
}
public void Constructor__CreatesSettingsWithDefaultValues()
{
OsmReaderSettings target = new OsmReaderSettings();
Assert.Equal(true, target.ReadMetadata);
}
public void Constructor_StringSettings_SetsSettingsAndMakesThemIsReadOnly()
{
string filename = "..\\..\\src\\Tests.SpatialLite.Osm\\Data\\Pbf\\pbf-n-node.pbf";
OsmReaderSettings settings = new OsmReaderSettings();
using (PbfReader target = new PbfReader(filename, settings)) {
Assert.Same(settings, target.Settings);
Assert.True(settings.IsReadOnly);
}
}
public void Dispose_ClosesOutputStreamIfWritingToStream()
{
MemoryStream stream = new MemoryStream(PbfTestData.pbf_n_node);
OsmReaderSettings settings = new OsmReaderSettings() {ReadMetadata = true};
PbfReader target = new PbfReader(stream, settings);
target.Dispose();
Assert.False(stream.CanRead);
}
public void Dispose_ClosesOutputStreamIfWritingToFiles()
{
string filename = "..\\..\\src\\Tests.SpatialLite.Osm\\Data\\Pbf\\pbf-n-node.pbf";
OsmReaderSettings settings = new OsmReaderSettings() {ReadMetadata = true};
PbfReader target = new PbfReader(filename, settings);
target.Dispose();
FileStream testStream = null;
Assert.DoesNotThrow(() => testStream = new FileStream(filename, FileMode.Open, FileAccess.ReadWrite));
testStream.Dispose();
}
