private AssemblyNameExtension ConstructAssemblyName(IntPtr asmMetaPtr, char[] asmNameBuf, uint asmNameLength, IntPtr pubKeyPtr, uint pubKeyBytes, uint flags)
{
ASSEMBLYMETADATA assemblymetadata = (ASSEMBLYMETADATA)Marshal.PtrToStructure(asmMetaPtr, typeof(ASSEMBLYMETADATA));
AssemblyName assemblyName = new AssemblyName {
Name = new string(asmNameBuf, 0, ((int)asmNameLength) - 1),
Version = new Version(assemblymetadata.usMajorVersion, assemblymetadata.usMinorVersion, assemblymetadata.usBuildNumber, assemblymetadata.usRevisionNumber)
};
string name = Marshal.PtrToStringUni(assemblymetadata.rpLocale);
if (name.Length > 0)
{
assemblyName.CultureInfo = CultureInfo.CreateSpecificCulture(name);
}
else
{
assemblyName.CultureInfo = CultureInfo.CreateSpecificCulture(string.Empty);
}
byte[] destination = new byte[pubKeyBytes];
Marshal.Copy(pubKeyPtr, destination, 0, (int)pubKeyBytes);
if ((flags & 1) != 0)
{
assemblyName.SetPublicKey(destination);
}
else
{
assemblyName.SetPublicKeyToken(destination);
}
assemblyName.Flags = (AssemblyNameFlags)flags;
return(new AssemblyNameExtension(assemblyName));
}
private void FreeAsmMeta(IntPtr asmMetaPtr)
{
if (asmMetaPtr != IntPtr.Zero)
{
ASSEMBLYMETADATA assemblymetadata = (ASSEMBLYMETADATA)Marshal.PtrToStructure(asmMetaPtr, typeof(ASSEMBLYMETADATA));
Marshal.FreeCoTaskMem(assemblymetadata.rpLocale);
Marshal.DestroyStructure(asmMetaPtr, typeof(ASSEMBLYMETADATA));
Marshal.FreeCoTaskMem(asmMetaPtr);
}
}
/// <summary>
/// Free the assembly metadata structure.
/// </summary>
/// <param name="asmMetaPtr">The pointer.</param>
private void FreeAsmMeta(IntPtr asmMetaPtr)
{
if (asmMetaPtr != IntPtr.Zero)
{
// Marshal the assembly metadata back to a managed type.
ASSEMBLYMETADATA asmMeta = (ASSEMBLYMETADATA)Marshal.PtrToStructure(asmMetaPtr, typeof(ASSEMBLYMETADATA));
// Free unmanaged memory.
Marshal.FreeCoTaskMem(asmMeta.rpLocale);
Marshal.DestroyStructure(asmMetaPtr, typeof(ASSEMBLYMETADATA));
Marshal.FreeCoTaskMem(asmMetaPtr);
}
}
/// <summary>
/// Construct assembly name.
/// </summary>
/// <param name="asmMetaPtr">Assembly metadata structure</param>
/// <param name="asmNameBuf">Buffer containing the name</param>
/// <param name="asmNameLength">Length of that buffer</param>
/// <param name="pubKeyPtr">Pointer to public key</param>
/// <param name="pubKeyBytes">Count of bytes in public key.</param>
/// <param name="flags">Extra flags</param>
/// <returns>The assembly name.</returns>
private static AssemblyNameExtension ConstructAssemblyName(IntPtr asmMetaPtr, char[] asmNameBuf, UInt32 asmNameLength, IntPtr pubKeyPtr, UInt32 pubKeyBytes, UInt32 flags)
{
// Marshal the assembly metadata back to a managed type.
ASSEMBLYMETADATA asmMeta = (ASSEMBLYMETADATA)Marshal.PtrToStructure(asmMetaPtr, typeof(ASSEMBLYMETADATA));
// Construct the assembly name. (Note asmNameLength should/must be > 0.)
var assemblyName = new AssemblyName
{
Name = new string(asmNameBuf, 0, (int)asmNameLength - 1),
Version = new Version(
asmMeta.usMajorVersion,
asmMeta.usMinorVersion,
asmMeta.usBuildNumber,
asmMeta.usRevisionNumber)
};
// Set culture info.
string locale = Marshal.PtrToStringUni(asmMeta.rpLocale);
if (locale.Length > 0)
{
assemblyName.CultureInfo = CultureInfo.CreateSpecificCulture(locale);
}
else
{
assemblyName.CultureInfo = CultureInfo.CreateSpecificCulture(String.Empty);
}
// Set public key or PKT.
var publicKey = new byte[pubKeyBytes];
Marshal.Copy(pubKeyPtr, publicKey, 0, (int)pubKeyBytes);
if ((flags & (uint)CorAssemblyFlags.afPublicKey) != 0)
{
assemblyName.SetPublicKey(publicKey);
}
else
{
assemblyName.SetPublicKeyToken(publicKey);
}
assemblyName.Flags = (AssemblyNameFlags)flags;
return(new AssemblyNameExtension(assemblyName));
}