/// <summary>
/// Constructs a new instance of <see cref="Node"/>
/// </summary>
/// <param name="dataSet">
/// The data set the node is contained within
/// </param>
/// <param name="offset">
/// The offset in the data structure to the node
/// </param>
/// <param name="reader">
/// Reader connected to the source data structure and positioned to start reading
/// </param>
internal Node(
DataSet dataSet,
int offset,
BinaryReader reader)
: base(dataSet, offset, reader)
{
_pool = dataSet.Pool;
_position = reader.BaseStream.Position;
}
/// <summary>
/// Constructs a new instance of the <see cref="Profile"/>
/// </summary>
/// <param name="dataSet">
/// The data set whose profile list the profile will be contained within
/// </param>
/// <param name="offset">
/// The offset position in the data structure to the profile</param>
/// <param name="reader">
/// Reader connected to the source data structure and positioned to start reading
/// </param>
internal Profile(
DataSet dataSet,
int offset,
BinaryReader reader)
: base(dataSet, offset, reader)
{
_pool = dataSet.Pool;
_valueIndexesCount = reader.ReadInt32();
_signatureIndexesCount = reader.ReadInt32();
_position = reader.BaseStream.Position;
}
/// <summary>
/// Constructs a new instance of a trie provider.
/// </summary>
/// <param name="copyright">The copyright notice for the data file.</param>
/// <param name="strings">Array containing all strings in the output.</param>
/// <param name="httpHeaders">Array of http headers.</param>
/// <param name="properties">Array of properties.</param>
/// <param name="devices">Array of devices.</param>
/// <param name="lookupList">Lookups data array.</param>
/// <param name="nodesLength">The length of the node data.</param>
/// <param name="nodesOffset">The position of the start of the nodes in the file provided.</param>
/// <param name="pool">Pool connected to the data source.</param>
internal TrieProviderV32(string copyright, byte[] strings, byte[] httpHeaders, byte[] properties, byte[] devices,
byte[] lookupList, long nodesLength, long nodesOffset, Pool pool)
: base(copyright, strings, properties, devices, lookupList, nodesLength, nodesOffset, pool)
{
for (int i = 0; i < _properties.Length / PROPERTY_LENGTH; i++)
{
var value = GetStringValue(BitConverter.ToInt32(_properties, i * PROPERTY_LENGTH));
var headerCount = BitConverter.ToInt32(_properties, (i * PROPERTY_LENGTH) + sizeof(int));
var headerFirstIndex = BitConverter.ToInt32(_properties, (i * PROPERTY_LENGTH) + (sizeof(int) * 2));
_propertyIndex.Add(value, i);
_propertyNames.Add(value);
_propertyHttpHeaders.Add(GetHeaders(httpHeaders, headerCount, headerFirstIndex));
}
}
/// <summary>
/// Constructs a new instance of a trie provider.
/// </summary>
/// <param name="copyright">The copyright notice for the data file.</param>
/// <param name="strings">Array containing all strings in the output.</param>
/// <param name="properties">Array of properties.</param>
/// <param name="devices">Array of devices.</param>
/// <param name="lookupList">Lookups data array.</param>
/// <param name="nodesLength">The length of the node data.</param>
/// <param name="nodesOffset">The position of the start of the nodes in the file provided.</param>
/// <param name="pool">Pool connected to the data source.</param>
internal TrieProviderV3(string copyright, byte[] strings, byte[] properties, byte[] devices,
byte[] lookupList, long nodesLength, long nodesOffset, Pool pool)
: base(copyright, strings, properties, devices, lookupList, nodesLength, nodesOffset, pool)
{
#pragma warning disable 618
var headers = new string[] { Constants.UserAgentHeader };
#pragma warning restore 618
var count = _properties.Length / sizeof(int);
for (int i = 0; i < count; i++)
{
var value = GetStringValue(BitConverter.ToInt32(_properties, i * sizeof(int)));
_propertyIndex.Add(value, i);
_propertyNames.Add(value);
_propertyHttpHeaders.Add(headers);
}
}
private static TrieProvider Create(Pool pool)
{
var reader = pool.GetReader();
try
{
// Check the version number is correct for this API.
var version = reader.ReadUInt16();
// Construct the right provider.
switch(version)
{
case 3:
return new TrieProviderV3(
Encoding.ASCII.GetString(reader.ReadBytes((int)reader.ReadUInt32())),
ReadStrings(reader),
ReadProperties(reader),
ReadDevices(reader),
ReadLookupList(reader),
reader.ReadInt64(),
reader.BaseStream.Position,
pool);
case 32:
return new TrieProviderV32(
Encoding.ASCII.GetString(reader.ReadBytes((int)reader.ReadUInt32())),
ReadStrings(reader),
ReadHeaders(reader),
ReadProperties(reader),
ReadDevices(reader),
ReadLookupList(reader),
reader.ReadInt64(),
reader.BaseStream.Position,
pool);
default:
throw new MobileException(String.Format(
"Version mismatch. Data is version '{0}' for '{1}' reader",
version,
String.Join(",", BinaryConstants.SupportedTrieFormatVersions.Select(i => i.Value.ToString()))));
}
}
finally
{
// Return the reader back to the pool.
pool.Release(reader);
}
}
/// <summary>
/// Constructs a new instance of a tree provider.
/// </summary>
/// <param name="copyright">The copyright notice for the data file.</param>
/// <param name="strings">Array containing all strings in the output.</param>
/// <param name="properties">Array of properties.</param>
/// <param name="devices">Array of devices.</param>
/// <param name="lookupList">Lookups data array.</param>
/// <param name="nodesLength">The length of the node data.</param>
/// <param name="nodesOffset">The position of the start of the nodes in the file provided.</param>
/// <param name="pool">Pool connected to the data source.</param>
internal TrieProvider(string copyright, byte[] strings, byte[] properties, byte[] devices,
byte[] lookupList, long nodesLength, long nodesOffset, Pool pool)
{
Copyright = copyright;
_strings = strings;
_properties = properties;
_devices = devices;
_lookupList = lookupList;
_nodesOffset = nodesOffset;
_pool = pool;
}
/// <summary>
/// Creates a new stream data set connected to the byte array
/// data source provided.
/// </summary>
/// <param name="data">Byte array containing uncompressed data set</param>
/// <param name="mode">
/// The mode of operation the data set will be using.
/// </param>
internal DataSet(byte[] data, Modes mode)
: base(DateTime.MinValue, mode)
{
Pool = new Pool(new SourceMemory(data));
}
/// <summary>
/// /Creates a new stream data set connected to the data
/// file provided.
/// </summary>
/// <param name="fileName">Valid path to the uncompressed data set file</param>
/// <param name="lastModified">Date and time the source data was last modified.</param>
/// <param name="mode">
/// The mode of operation the data set will be using.
/// </param>
/// <param name="isTempFile">True if the file should be deleted when the source is disposed</param>
internal DataSet(string fileName, DateTime lastModified, Modes mode, bool isTempFile)
: base(lastModified, mode)
{
Pool = new Pool(new SourceFile(fileName, isTempFile));
}
