/// <summary>
/// This is used to create an assembly details instance from an XML element
/// </summary>
/// <param name="path">The path to the assembly</param>
/// <param name="details">The XML element containing the details</param>
/// <returns>The new assembly details item</returns>
internal static AssemblyDetails FromXml(string path, XElement details)
{
string filename = details.Attribute("Filename").Value;
if (!Path.IsPathRooted(filename))
{
filename = Path.Combine(path, filename);
}
var ad = new AssemblyDetails
{
Filename = filename,
Name = details.Attribute("Name").Value,
Version = new Version(details.Attribute("Version").Value),
Culture = (string)details.Attribute("Culture"),
PublicKeyToken = (string)details.Attribute("PublicKeyToken"),
IsIncluded = !details.Attributes("IsExcluded").Any()
};
ad.Description = String.Format(CultureInfo.InvariantCulture,
"{0}, Version={1}, Culture={2}, PublicKeyToken={3}", ad.Name, ad.Version,
String.IsNullOrEmpty(ad.Culture) ? "neutral" : ad.Culture,
String.IsNullOrEmpty(ad.PublicKeyToken) ? "null" : ad.PublicKeyToken);
return(ad);
}
/// <summary>
/// This is used to find an assembly by name
/// </summary>
/// <param name="assemblyName">The assembly name without a path or extension or a strong name value.
/// If a strong name value is specified, a "starts with" comparison on the description is used to see if
/// the assembly is present in the framework. This allows for matches on strong names with processor
/// architecture specified which we don't have. If only a name is given, just the name is compared.
/// Comparisons are case-insensitive.</param>
/// <returns>The assembly if found or null if not found</returns>
public AssemblyDetails FindAssembly(string assemblyName)
{
AssemblyDetails ad = null;
bool strongName = (assemblyName.IndexOf(',') != -1);
foreach (var al in assemblyLocations)
{
if (strongName)
{
ad = al.IncludedAssemblies.FirstOrDefault(a => assemblyName.StartsWith(a.Description,
StringComparison.OrdinalIgnoreCase) && File.Exists(a.Filename));
}
else
{
ad = al.IncludedAssemblies.FirstOrDefault(a => assemblyName.Equals(a.Name,
StringComparison.OrdinalIgnoreCase) && File.Exists(a.Filename));
}
if (ad != null)
{
break;
}
}
return(ad);
}
//=====================================================================
/// <summary>
/// This is used to create an assembly details instance from an assembly name
/// </summary>
/// <param name="name">The assembly name information</param>
/// <returns>The new assembly details item</returns>
internal static AssemblyDetails FromAssemblyName(AssemblyName name)
{
Uri codeBase = new Uri(name.CodeBase);
string location;
if (codeBase.IsFile)
{
location = codeBase.LocalPath;
}
else
{
location = name.Name;
}
var ad = new AssemblyDetails
{
Filename = location,
Name = name.Name,
Version = name.Version,
Culture = name.CultureInfo.ToString().ToLowerInvariant(),
PublicKeyToken = String.Concat(name.GetPublicKeyToken().Select(c => c.ToString("x2",
CultureInfo.InvariantCulture))),
IsIncluded = true
};
ad.Description = String.Format(CultureInfo.InvariantCulture,
"{0}, Version={1}, Culture={2}, PublicKeyToken={3}", ad.Name, ad.Version,
String.IsNullOrEmpty(ad.Culture) ? "neutral" : ad.Culture,
String.IsNullOrEmpty(ad.PublicKeyToken) ? "null" : ad.PublicKeyToken);
return(ad);
}
//=====================================================================
/// <summary>
/// This is used to load the settings for an assembly location from an XML element
/// </summary>
/// <param name="location">The XML element containing the settings</param>
/// <returns>The new assembly location item</returns>
/// <remarks>If the location element is empty, the assembly details will be created by scanning the
/// location for assemblies.</remarks>
internal static AssemblyLocation FromXml(XElement location)
{
AssemblyLocation al = new AssemblyLocation(location.Attribute("Path").Value);
foreach (var a in location.Descendants("AssemblyDetails"))
{
al.assemblyDetails.Add(AssemblyDetails.FromXml(al.Path, a));
}
return(al);
}
/// <summary>
/// This is overridden to allow proper comparison of assembly detail objects
/// </summary>
/// <param name="obj">The object to which this instance is compared</param>
/// <returns>Returns true if the object equals this instance, false if it does not</returns>
public override bool Equals(object obj)
{
if (obj == null || obj.GetType() != this.GetType())
{
return(false);
}
AssemblyDetails otherDetails = obj as AssemblyDetails;
return(this.Description.Equals(otherDetails.Description, StringComparison.Ordinal));
}
//=====================================================================
/// <summary>
/// This can be used to load an empty location with information about the assemblies it contains
/// </summary>
/// <param name="clearAndRefresh">True to clear and refresh all file information or false to only remove
/// assemblies that no longer exist and add new assemblies.</param>
public void DetermineAssemblyDetails(bool clearAndRefresh)
{
if (clearAndRefresh)
{
assemblyDetails.Clear();
}
if (!String.IsNullOrWhiteSpace(this.Path) && Directory.Exists(this.Path))
{
HashSet <string> assemblyDescs = new HashSet <string>(assemblyDetails.Select(a => a.Description));
// Remove entries that are not there anymore
foreach (var d in assemblyDetails.ToList())
{
if (!File.Exists(d.Filename))
{
assemblyDetails.Remove(d);
}
}
// Add missing entries
foreach (string assembly in Directory.EnumerateFiles(this.Path, "*.dll").Concat(
Directory.EnumerateFiles(this.Path, "*.winmd")))
{
try
{
var details = AssemblyDetails.FromAssemblyName(AssemblyName.GetAssemblyName(assembly));
if (!assemblyDescs.Contains(details.Description))
{
assemblyDetails.Add(details);
}
}
catch (BadImageFormatException ex)
{
// Ignore, not a .NET assembly
System.Diagnostics.Debug.WriteLine(ex.FileName);
}
}
}
}
//=====================================================================
/// <summary>
/// This can be used to load an empty location with information about the assemblies it contains
/// </summary>
/// <param name="clearAndRefresh">True to clear and refresh all file information or false to only remove
/// assemblies that no longer exist and add new assemblies.</param>
public void DetermineAssemblyDetails(bool clearAndRefresh)
{
string version, assemblyName;
if (clearAndRefresh)
{
assemblyDetails.Clear();
}
if (!String.IsNullOrWhiteSpace(this.Path) && Directory.Exists(this.Path))
{
HashSet <string> assemblyDescs = new HashSet <string>(assemblyDetails.Select(a => a.Description));
// Remove entries that are not there anymore
foreach (var d in assemblyDetails.ToList())
{
if (!File.Exists(d.Filename))
{
assemblyDetails.Remove(d);
}
}
// Add missing entries
foreach (string assembly in Directory.EnumerateFiles(this.Path, "*.dll").Concat(
Directory.EnumerateFiles(this.Path, "*.winmd")))
{
try
{
var details = AssemblyDetails.FromAssemblyName(AssemblyName.GetAssemblyName(assembly));
if (!assemblyDescs.Contains(details.Description))
{
assemblyDetails.Add(details);
}
}
catch (BadImageFormatException ex)
{
// Ignore, not a .NET assembly
System.Diagnostics.Debug.WriteLine(ex.FileName);
}
}
// The SDK folders for .NETCore 5.0 are typically in one of two formats so this gets a bit ugly.
foreach (string sdkFolder in Directory.EnumerateDirectories(this.Path))
{
// RootFolder\AssemblyName\Version\ref\dotnet\
version = Directory.EnumerateDirectories(sdkFolder).Where(
d => Char.IsDigit(d[d.LastIndexOf('\\') + 1])).OrderBy(d => d).LastOrDefault();
if (version != null)
{
assemblyName = IOPath.Combine(version, @"ref\dotnet",
sdkFolder.Substring(sdkFolder.LastIndexOf('\\') + 1));
if (File.Exists(assemblyName + ".dll"))
{
assemblyName += ".dll";
}
else
if (File.Exists(assemblyName + ".winmd"))
{
assemblyName += ".winmd";
}
else
{
assemblyName = null;
}
if (assemblyName != null)
{
var details = AssemblyDetails.FromAssemblyName(
AssemblyName.GetAssemblyName(assemblyName));
if (!assemblyDescs.Contains(details.Description))
{
assemblyDetails.Add(details);
}
continue;
}
}
// RootFolder\AssemblyName\Version\
version = Directory.EnumerateDirectories(sdkFolder).Where(
d => Char.IsDigit(d[d.LastIndexOf('\\') + 1])).OrderBy(d => d).LastOrDefault();
if (version != null)
{
assemblyName = IOPath.Combine(version, sdkFolder.Substring(sdkFolder.LastIndexOf('\\') + 1));
if (File.Exists(assemblyName + ".dll"))
{
assemblyName += ".dll";
}
else
if (File.Exists(assemblyName + ".winmd"))
{
assemblyName += ".winmd";
}
else
{
assemblyName = null;
}
if (assemblyName != null)
{
var details = AssemblyDetails.FromAssemblyName(
AssemblyName.GetAssemblyName(assemblyName));
if (!assemblyDescs.Contains(details.Description))
{
assemblyDetails.Add(details);
}
}
}
}
}
}
/// <summary>
/// This is used to create an assembly details instance from an XML element
/// </summary>
/// <param name="path">The path to the assembly</param>
/// <param name="details">The XML element containing the details</param>
/// <returns>The new assembly details item</returns>
internal static AssemblyDetails FromXml(string path, XElement details)
{
var ad = new AssemblyDetails
{
Filename = Path.Combine(path, details.Attribute("Filename").Value),
Name = details.Attribute("Name").Value,
Version = new Version(details.Attribute("Version").Value),
Culture = (string)details.Attribute("Culture"),
PublicKeyToken = (string)details.Attribute("PublicKeyToken"),
IsIncluded = !details.Attributes("IsExcluded").Any()
};
ad.Description = String.Format(CultureInfo.InvariantCulture,
"{0}, Version={1}, Culture={2}, PublicKeyToken={3}", ad.Name, ad.Version,
String.IsNullOrEmpty(ad.Culture) ? "neutral" : ad.Culture,
String.IsNullOrEmpty(ad.PublicKeyToken) ? "null" : ad.PublicKeyToken);
return ad;
}
//=====================================================================
/// <summary>
/// This is used to create an assembly details instance from an assembly name
/// </summary>
/// <param name="name">The assembly name information</param>
/// <returns>The new assembly details item</returns>
internal static AssemblyDetails FromAssemblyName(AssemblyName name)
{
Uri codeBase = new Uri(name.CodeBase);
string location;
if(codeBase.IsFile)
location = codeBase.LocalPath;
else
location = name.Name;
var ad = new AssemblyDetails
{
Filename = location,
Name = name.Name,
Version = name.Version,
Culture = name.CultureInfo.ToString().ToLowerInvariant(),
PublicKeyToken = String.Concat(name.GetPublicKeyToken().Select(c => c.ToString("x2",
CultureInfo.InvariantCulture))),
IsIncluded = true
};
ad.Description = String.Format(CultureInfo.InvariantCulture,
"{0}, Version={1}, Culture={2}, PublicKeyToken={3}", ad.Name, ad.Version,
String.IsNullOrEmpty(ad.Culture) ? "neutral" : ad.Culture,
String.IsNullOrEmpty(ad.PublicKeyToken) ? "null" : ad.PublicKeyToken);
return ad;
}
