public ITypeScope?FindType(string name)
{
Throw.CheckNotNullOrEmptyArgument(name);
var m = name.AsSpan();
m.SkipWhiteSpacesAndJSComments();
if (!m.MatchTypeKey(out string?key))
{
Throw.ArgumentException(nameof(name), $"Invalid type name: {name}");
}
_types.TryGetValue(key, out TypeScopeImpl? result);
return(result);
}
/// <summary>
/// Attempts to load a StObjMap from an assembly name.
/// <para>
/// If a <see cref="SuffixSignature"/> file exists and contains a valid signature, the StObjMap is
/// loaded from the <see cref="GetAvailableMapInfos(IActivityMonitor?)"/> if it exists.
/// </para>
/// </summary>
/// <param name="assemblyName">The assembly name.</param>
/// <param name="monitor">Optional monitor to use.</param>
/// <returns>A <see cref="IStObjMap"/> that provides access to the objects graph.</returns>
public static IStObjMap?Load(string assemblyName, IActivityMonitor?monitor = null)
{
Throw.CheckNotNullOrEmptyArgument(assemblyName);
Throw.CheckArgument(FileUtil.IndexOfInvalidFileNameChars(assemblyName) < 0);
if (!assemblyName.EndsWith(".dll", StringComparison.OrdinalIgnoreCase) &&
!assemblyName.EndsWith(".exe", StringComparison.OrdinalIgnoreCase))
{
assemblyName = assemblyName + ".dll";
}
string assemblyFullPath = Path.Combine(AppContext.BaseDirectory, assemblyName);
var signaturePath = assemblyFullPath + SuffixSignature;
if (File.Exists(signaturePath) &&
SHA1Value.TryParse(File.ReadAllText(signaturePath), out var signature))
{
var map = Load(signature, monitor);
if (map != null)
{
return(map);
}
}
lock ( _alreadyHandled )
{
LockedEnsureMonitor(ref monitor);
using (monitor.OpenInfo($"Loading StObj map from '{assemblyName}'."))
{
try
{
// LoadFromAssemblyPath caches the assemblies by their path.
// No need to do it.
var a = AssemblyLoadContext.Default.LoadFromAssemblyPath(assemblyFullPath);
var info = LockedGetMapInfo(a, ref monitor);
if (info == null)
{
return(null);
}
return(LockedGetStObjMapFromInfo(info, ref monitor));
}
catch (Exception ex)
{
monitor.Error(ex);
return(null);
}
}
}
}
/// <summary>
/// Opens a <see cref="LogReader"/> to read the content of a compressed or uncompressed file.
/// The file will be closed when <see cref="LogReader.Dispose"/> will be called.
/// </summary>
/// <param name="path">Path of the log file.</param>
/// <param name="dataOffset">
/// An optional offset where the stream position must be initially set: this is the position of an entry in the actual (potentially uncompressed stream),
/// not the offset in the original stream.
/// </param>
/// <param name="filter">An optional <see cref="MulticastFilter"/>.</param>
/// <returns>A <see cref="LogReader"/> that will close the file when disposed.</returns>
/// <remarks>
/// .ckmon files exist in different file versions, depending on headers.
/// The file can be compressed using GZipStream, in which case the header will be the magic GZIP header: 1F 8B.
/// New header (applies to version 5), the file will start with 43 4B 4D 4F 4E (CKMON in ASCII), followed by the version number, instead of only the version number.
/// </remarks>
public static LogReader Open(string path, long dataOffset = 0, MulticastFilter?filter = null)
{
Throw.CheckNotNullOrEmptyArgument(path);
FileStream?fs = null;
try
{
fs = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, 8192, FileOptions.SequentialScan);
return(Open(fs, dataOffset, filter));
}
catch
{
if (fs != null)
{
fs.Dispose();
}
throw;
}
}
