/// <summary>
/// Checks whether <paramref name="asm"/> appears to be the core library (eg.
/// mscorlib, System.Runtime or corefx)
/// </summary>
/// <param name="asm">The assembly</param>
public static bool IsCorLib(this IAssembly asm)
{
string asmName;
return(asm != null &&
UTF8String.IsNullOrEmpty(asm.Culture) &&
((asmName = UTF8String.ToSystemStringOrEmpty(asm.Name)).Equals("mscorlib", StringComparison.OrdinalIgnoreCase) ||
asmName.Equals("System.Runtime", StringComparison.OrdinalIgnoreCase) ||
asmName.Equals("corefx", StringComparison.OrdinalIgnoreCase)));
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="assembly">Assembly</param>
public AssemblyRefUser(IAssembly assembly)
{
if (assembly == null)
{
throw new ArgumentNullException("asmName");
}
this.version = assembly.Version ?? new Version(0, 0, 0, 0);
this.publicKeyOrToken = assembly.PublicKeyOrToken;
this.name = UTF8String.IsNullOrEmpty(assembly.Name) ? UTF8String.Empty : assembly.Name;
this.culture = assembly.Culture;
this.attributes = (int)((publicKeyOrToken is PublicKey ? AssemblyAttributes.PublicKey : AssemblyAttributes.None) | assembly.ContentType);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="asm">The assembly</param>
public AssemblyNameInfo(IAssembly asm)
{
if (asm == null)
{
return;
}
var asmDef = asm as AssemblyDef;
this.hashAlgId = asmDef == null ? 0 : asmDef.HashAlgorithm;
this.version = asm.Version ?? new Version(0, 0, 0, 0);
this.flags = asm.Attributes;
this.publicKeyOrToken = asm.PublicKeyOrToken;
this.name = UTF8String.IsNullOrEmpty(asm.Name) ? UTF8String.Empty : asm.Name;
this.culture = UTF8String.IsNullOrEmpty(asm.Culture) ? UTF8String.Empty : asm.Culture;
}
/// <summary>
/// Returns an assembly name string
/// </summary>
/// <param name="name">Simple assembly name</param>
/// <param name="version">Version or <c>null</c></param>
/// <param name="culture">Culture or <c>null</c></param>
/// <param name="publicKey">Public key / public key token or <c>null</c></param>
/// <param name="attributes">Assembly attributes</param>
/// <returns>An assembly name string</returns>
internal static string GetAssemblyNameString(UTF8String name, Version version, UTF8String culture, PublicKeyBase publicKey, AssemblyAttributes attributes)
{
var sb = new StringBuilder();
foreach (var c in UTF8String.ToSystemStringOrEmpty(name))
{
if (c == ',' || c == '=')
{
sb.Append('\\');
}
sb.Append(c);
}
if (version != null)
{
sb.Append(", Version=");
sb.Append(CreateVersionWithNoUndefinedValues(version).ToString());
}
if ((object)culture != null)
{
sb.Append(", Culture=");
sb.Append(UTF8String.IsNullOrEmpty(culture) ? "neutral" : culture.String);
}
sb.Append(", ");
sb.Append(publicKey == null || publicKey is PublicKeyToken ? "PublicKeyToken=" : "PublicKey=");
sb.Append(publicKey == null ? "null" : publicKey.ToString());
if ((attributes & AssemblyAttributes.Retargetable) != 0)
{
sb.Append(", Retargetable=Yes");
}
if ((attributes & AssemblyAttributes.ContentType_Mask) == AssemblyAttributes.ContentType_WindowsRuntime)
{
sb.Append(", ContentType=WindowsRuntime");
}
return(sb.ToString());
}
private static Info?GetInfo(TypeDef td)
{
if (td == null)
{
return(null);
}
if (td.IsWindowsRuntime)
{
return(null);
}
UTF8String scope = null, identifier = null;
var tia = td.CustomAttributes.Find("System.Runtime.InteropServices.TypeIdentifierAttribute");
if (tia != null)
{
if (tia.ConstructorArguments.Count >= 2)
{
if (tia.ConstructorArguments[0].Type.GetElementType() != ElementType.String)
{
return(null);
}
if (tia.ConstructorArguments[1].Type.GetElementType() != ElementType.String)
{
return(null);
}
scope = tia.ConstructorArguments[0].Value as UTF8String ?? tia.ConstructorArguments[0].Value as string;
identifier = tia.ConstructorArguments[1].Value as UTF8String ?? tia.ConstructorArguments[1].Value as string;
}
}
else
{
var mod = td.Module;
var asm = mod == null ? null : mod.Assembly;
if (asm == null)
{
return(null);
}
bool isTypeLib = asm.CustomAttributes.IsDefined("System.Runtime.InteropServices.ImportedFromTypeLibAttribute") ||
asm.CustomAttributes.IsDefined("System.Runtime.InteropServices.PrimaryInteropAssemblyAttribute");
if (!isTypeLib)
{
return(null);
}
}
if (UTF8String.IsNull(identifier))
{
CustomAttribute gca;
if (td.IsInterface && td.IsImport)
{
gca = td.CustomAttributes.Find("System.Runtime.InteropServices.GuidAttribute");
}
else
{
var mod = td.Module;
var asm = mod == null ? null : mod.Assembly;
if (asm == null)
{
return(null);
}
gca = asm.CustomAttributes.Find("System.Runtime.InteropServices.GuidAttribute");
}
if (gca == null)
{
return(null);
}
if (gca.ConstructorArguments.Count < 1)
{
return(null);
}
if (gca.ConstructorArguments[0].Type.GetElementType() != ElementType.String)
{
return(null);
}
scope = gca.ConstructorArguments[0].Value as UTF8String ?? gca.ConstructorArguments[0].Value as string;
var ns = td.Namespace;
var name = td.Name;
if (UTF8String.IsNullOrEmpty(ns))
{
identifier = name;
}
else if (UTF8String.IsNullOrEmpty(name))
{
identifier = new UTF8String(Concat(ns.Data, (byte)'.', empty));
}
else
{
identifier = new UTF8String(Concat(ns.Data, (byte)'.', name.Data));
}
}
return(new Info(scope, identifier));
}