IEnumerable <DomAssemblyName> GetGacAssemblyFullNames()
{
IApplicationContext applicationContext = null;
IAssemblyEnum assemblyEnum = null;
IAssemblyName assemblyName = null;
Fusion.CreateAssemblyEnum(out assemblyEnum, null, null, 2, 0);
while (assemblyEnum.GetNextAssembly(out applicationContext, out assemblyName, 0) == 0)
{
uint nChars = 0;
assemblyName.GetDisplayName(null, ref nChars, 0);
StringBuilder name = new StringBuilder((int)nChars);
assemblyName.GetDisplayName(name, ref nChars, 0);
yield return(new DomAssemblyName(name.ToString()));
}
}
/// <summary>
/// Gets the full display name of the GAC assembly of the specified short name
/// </summary>
public DomAssemblyName FindBestMatchingAssemblyName(DomAssemblyName reference)
{
string[] info;
Version requiredVersion = reference.Version;
string publicKey = reference.PublicKeyToken;
IApplicationContext applicationContext = null;
IAssemblyEnum assemblyEnum = null;
IAssemblyName assemblyName;
Fusion.CreateAssemblyNameObject(out assemblyName, reference.ShortName, 0, 0);
Fusion.CreateAssemblyEnum(out assemblyEnum, null, assemblyName, 2, 0);
List <string> names = new List <string>();
while (assemblyEnum.GetNextAssembly(out applicationContext, out assemblyName, 0) == 0)
{
uint nChars = 0;
assemblyName.GetDisplayName(null, ref nChars, 0);
StringBuilder sb = new StringBuilder((int)nChars);
assemblyName.GetDisplayName(sb, ref nChars, 0);
string fullName = sb.ToString();
if (publicKey != null)
{
info = fullName.Split(',');
if (publicKey != info[3].Substring(info[3].LastIndexOf('=') + 1))
{
// Assembly has wrong public key
continue;
}
}
names.Add(fullName);
}
if (names.Count == 0)
{
return(null);
}
string best = null;
Version bestVersion = null;
Version currentVersion;
if (requiredVersion != null)
{
// use assembly with lowest version higher or equal to required version
for (int i = 0; i < names.Count; i++)
{
info = names[i].Split(',');
currentVersion = new Version(info[1].Substring(info[1].LastIndexOf('=') + 1));
if (currentVersion.CompareTo(requiredVersion) < 0)
{
continue; // version not good enough
}
if (best == null || currentVersion.CompareTo(bestVersion) < 0)
{
bestVersion = currentVersion;
best = names[i];
}
}
if (best != null)
{
return(new DomAssemblyName(best));
}
}
// use assembly with highest version
best = names[0];
info = names[0].Split(',');
bestVersion = new Version(info[1].Substring(info[1].LastIndexOf('=') + 1));
for (int i = 1; i < names.Count; i++)
{
info = names[i].Split(',');
currentVersion = new Version(info[1].Substring(info[1].LastIndexOf('=') + 1));
if (currentVersion.CompareTo(bestVersion) > 0)
{
bestVersion = currentVersion;
best = names[i];
}
}
return(new DomAssemblyName(best));
}