private static SortedDictionary<Version, SortedDictionary<AssemblyNameExtension, string>> GenerateListOfAssembliesByRuntime(string strongName, GetAssemblyRuntimeVersion getRuntimeVersion, Version targetedRuntime, Microsoft.Build.Shared.FileExists fileExists, GetPathFromFusionName getPathFromFusionName, GetGacEnumerator getGacEnumerator, bool specificVersion)
{
Microsoft.Build.Shared.ErrorUtilities.VerifyThrowArgumentNull(targetedRuntime, "targetedRuntime");
IEnumerable<AssemblyNameExtension> enumerable = getGacEnumerator(strongName);
SortedDictionary<Version, SortedDictionary<AssemblyNameExtension, string>> dictionary = new SortedDictionary<Version, SortedDictionary<AssemblyNameExtension, string>>(ReverseVersionGenericComparer.Comparer);
if (enumerable != null)
{
foreach (AssemblyNameExtension extension in enumerable)
{
string str = getPathFromFusionName(extension.FullName);
if (!string.IsNullOrEmpty(str) && fileExists(str))
{
Version version = VersionUtilities.ConvertToVersion(getRuntimeVersion(str));
if ((version != null) && ((targetedRuntime.CompareTo(version) >= 0) || specificVersion))
{
SortedDictionary<AssemblyNameExtension, string> dictionary2 = null;
dictionary.TryGetValue(version, out dictionary2);
if (dictionary2 == null)
{
dictionary2 = new SortedDictionary<AssemblyNameExtension, string>(AssemblyNameReverseVersionComparer.GenericComparer);
dictionary.Add(version, dictionary2);
}
if (!dictionary2.ContainsKey(extension))
{
dictionary2.Add(extension, str);
}
}
}
}
}
return dictionary;
}
internal static string GetLocation(AssemblyNameExtension strongName, ProcessorArchitecture targetProcessorArchitecture, GetAssemblyRuntimeVersion getRuntimeVersion, Version targetedRuntimeVersion, bool fullFusionName, Microsoft.Build.Shared.FileExists fileExists, GetPathFromFusionName getPathFromFusionName, GetGacEnumerator getGacEnumerator, bool specificVersion)
{
string str = null;
if (((strongName.GetPublicKeyToken() == null) || (strongName.GetPublicKeyToken().Length == 0)) && (strongName.FullName.IndexOf("PublicKeyToken", StringComparison.OrdinalIgnoreCase) != -1))
{
return str;
}
getPathFromFusionName = getPathFromFusionName ?? pathFromFusionName;
getGacEnumerator = getGacEnumerator ?? gacEnumerator;
if (!strongName.HasProcessorArchitectureInFusionName)
{
if ((targetProcessorArchitecture != ProcessorArchitecture.MSIL) && (targetProcessorArchitecture != ProcessorArchitecture.None))
{
string str2 = ResolveAssemblyReference.ProcessorArchitectureToString(targetProcessorArchitecture);
if (fullFusionName)
{
str = CheckForFullFusionNameInGac(strongName, str2, getPathFromFusionName);
}
else
{
str = GetLocationImpl(strongName, str2, getRuntimeVersion, targetedRuntimeVersion, fileExists, getPathFromFusionName, getGacEnumerator, specificVersion);
}
if ((str != null) && (str.Length > 0))
{
return str;
}
}
if (fullFusionName)
{
str = CheckForFullFusionNameInGac(strongName, "MSIL", getPathFromFusionName);
}
else
{
str = GetLocationImpl(strongName, "MSIL", getRuntimeVersion, targetedRuntimeVersion, fileExists, getPathFromFusionName, getGacEnumerator, specificVersion);
}
if ((str != null) && (str.Length > 0))
{
return str;
}
}
if (fullFusionName)
{
str = CheckForFullFusionNameInGac(strongName, null, getPathFromFusionName);
}
else
{
str = GetLocationImpl(strongName, null, getRuntimeVersion, targetedRuntimeVersion, fileExists, getPathFromFusionName, getGacEnumerator, specificVersion);
}
if ((str != null) && (str.Length > 0))
{
return str;
}
return null;
}
/// <summary>
/// Given a strong name, find its path in the GAC.
/// </summary>
/// <param name="strongName">The strong name.</param>
/// <param name="targetProcessorArchitecture">Like x86 or IA64\AMD64.</param>
/// <param name="getRuntimeVersion">Delegate to get the runtime version from a file path</param>
/// <param name="targetedRuntimeVersion">What version of the runtime are we targeting</param>
/// <param name="fullFusionName">Are we guranteed to have a full fusion name. This really can only happen if we have already resolved the assembly</param>
/// <returns>The path to the assembly. Empty if none exists.</returns>
internal static string GetLocation
(
AssemblyNameExtension strongName,
ProcessorArchitecture targetProcessorArchitecture,
GetAssemblyRuntimeVersion getRuntimeVersion,
Version targetedRuntimeVersion,
bool fullFusionName,
FileExists fileExists,
GetPathFromFusionName getPathFromFusionName,
GetGacEnumerator getGacEnumerator,
bool specificVersion
)
{
return(GetLocation(null, strongName, targetProcessorArchitecture, getRuntimeVersion, targetedRuntimeVersion, fullFusionName, fileExists, getPathFromFusionName, getGacEnumerator, specificVersion));
}
/// <summary>
/// Given a strong name generate the gac enumerator.
/// </summary>
internal static IEnumerable <AssemblyNameExtension> GetGacNativeEnumerator(string strongName)
{
IEnumerable <AssemblyNameExtension> gacEnumerator = null;
try
{
// Will fail if the publickeyToken is null but will not fail if it is missing.
gacEnumerator = new Microsoft.Build.Tasks.NativeMethods.AssemblyCacheEnum(strongName);
}
catch (FileLoadException)
{
// We could not handle the name passed in
return(null);
}
return(gacEnumerator);
}
/// <summary>
/// Given a strong name, find its path in the GAC.
/// </summary>
/// <param name="strongName">The strong name.</param>
/// <param name="targetProcessorArchitecture">Like x86 or IA64\AMD64.</param>
/// <returns>The path to the assembly. Empty if none exists.</returns>
private static string GetLocationImpl(AssemblyNameExtension assemblyName, string targetProcessorArchitecture, GetAssemblyRuntimeVersion getRuntimeVersion, Version targetedRuntime, FileExists fileExists, GetPathFromFusionName getPathFromFusionName, GetGacEnumerator getGacEnumerator, bool specificVersion)
{
// Extra checks for PInvoke-destined data.
ErrorUtilities.VerifyThrowArgumentNull(assemblyName, "assemblyName");
ErrorUtilities.VerifyThrow(assemblyName.FullName != null, "Got a null assembly name fullname.");
string strongName = assemblyName.FullName;
if (targetProcessorArchitecture != null && !assemblyName.HasProcessorArchitectureInFusionName)
{
strongName += ", ProcessorArchitecture=" + targetProcessorArchitecture;
}
string assemblyPath = String.Empty;
// Dictionary sorted by Version in reverse order, this will give the values enumeration the highest runtime version first.
SortedDictionary<Version, SortedDictionary<AssemblyNameExtension, string>> assembliesByRuntime = GenerateListOfAssembliesByRuntime(strongName, getRuntimeVersion, targetedRuntime, fileExists, getPathFromFusionName, getGacEnumerator, specificVersion);
if (assembliesByRuntime != null)
{
foreach (SortedDictionary<AssemblyNameExtension, string> runtimeBucket in assembliesByRuntime.Values)
{
// Grab the first element if there are one or more elements. This will give us the highest version assembly name.
if (runtimeBucket.Count > 0)
{
foreach (KeyValuePair<AssemblyNameExtension, string> kvp in runtimeBucket)
{
assemblyPath = kvp.Value;
break;
}
if (!String.IsNullOrEmpty(assemblyPath))
{
break;
}
}
}
}
return assemblyPath;
}
/// <summary>
/// Given a strong name, find its path in the GAC.
/// </summary>
/// <param name="strongName">The strong name.</param>
/// <param name="targetProcessorArchitecture">Like x86 or IA64\AMD64.</param>
/// <returns>The path to the assembly. Empty if none exists.</returns>
private static string GetLocationImpl(AssemblyNameExtension assemblyName, string targetProcessorArchitecture, GetAssemblyRuntimeVersion getRuntimeVersion, Version targetedRuntime, FileExists fileExists, GetPathFromFusionName getPathFromFusionName, GetGacEnumerator getGacEnumerator, bool specificVersion)
{
// Extra checks for PInvoke-destined data.
ErrorUtilities.VerifyThrowArgumentNull(assemblyName, "assemblyName");
ErrorUtilities.VerifyThrow(assemblyName.FullName != null, "Got a null assembly name fullname.");
string strongName = assemblyName.FullName;
if (targetProcessorArchitecture != null && !assemblyName.HasProcessorArchitectureInFusionName)
{
strongName += ", ProcessorArchitecture=" + targetProcessorArchitecture;
}
string assemblyPath = String.Empty;
// Dictionary sorted by Version in reverse order, this will give the values enumeration the highest runtime version first.
SortedDictionary <Version, SortedDictionary <AssemblyNameExtension, string> > assembliesByRuntime = GenerateListOfAssembliesByRuntime(strongName, getRuntimeVersion, targetedRuntime, fileExists, getPathFromFusionName, getGacEnumerator, specificVersion);
if (assembliesByRuntime != null)
{
foreach (SortedDictionary <AssemblyNameExtension, string> runtimeBucket in assembliesByRuntime.Values)
{
// Grab the first element if there are one or more elements. This will give us the highest version assembly name.
if (runtimeBucket.Count > 0)
{
foreach (KeyValuePair <AssemblyNameExtension, string> kvp in runtimeBucket)
{
assemblyPath = kvp.Value;
break;
}
if (!String.IsNullOrEmpty(assemblyPath))
{
break;
}
}
}
}
return(assemblyPath);
}
/// <summary>
/// Given a strong name, find its path in the GAC.
/// </summary>
/// <param name="strongName">The strong name.</param>
/// <param name="targetProcessorArchitecture">Like x86 or IA64\AMD64.</param>
/// <param name="getRuntimeVersion">Delegate to get the runtime version from a file path</param>
/// <param name="targetedRuntimeVersion">What version of the runtime are we targeting</param>
/// <param name="fullFusionName">Are we guranteed to have a full fusion name. This really can only happen if we have already resolved the assembly</param>
/// <returns>The path to the assembly. Empty if none exists.</returns>
internal static string GetLocation
(
IBuildEngine4 buildEngine,
AssemblyNameExtension strongName,
ProcessorArchitecture targetProcessorArchitecture,
GetAssemblyRuntimeVersion getRuntimeVersion,
Version targetedRuntimeVersion,
bool fullFusionName,
FileExists fileExists,
GetPathFromFusionName getPathFromFusionName,
GetGacEnumerator getGacEnumerator,
bool specificVersion
)
{
ConcurrentDictionary <AssemblyNameExtension, string> fusionNameToResolvedPath = null;
bool useGacRarCache = Environment.GetEnvironmentVariable("MSBUILDDISABLEGACRARCACHE") == null;
if (buildEngine != null && useGacRarCache)
{
string key = "44d78b60-3bbe-48fe-9493-04119ebf515f" + "|" + targetProcessorArchitecture.ToString() + "|" + targetedRuntimeVersion.ToString() + "|" + fullFusionName.ToString() + "|" + specificVersion.ToString();
fusionNameToResolvedPath = buildEngine.GetRegisteredTaskObject(key, RegisteredTaskObjectLifetime.Build) as ConcurrentDictionary <AssemblyNameExtension, string>;
if (fusionNameToResolvedPath == null)
{
fusionNameToResolvedPath = new ConcurrentDictionary <AssemblyNameExtension, string>(AssemblyNameComparer.GenericComparer);
buildEngine.RegisterTaskObject(key, fusionNameToResolvedPath, RegisteredTaskObjectLifetime.Build, true /* dispose early ok*/);
}
else
{
if (fusionNameToResolvedPath.ContainsKey(strongName))
{
string fusionName = null;
fusionNameToResolvedPath.TryGetValue(strongName, out fusionName);
return(fusionName);
}
}
}
// Optimize out the case where the public key token is null, if it is null it is not a strongly named assembly and CANNOT be in the gac.
// also passing it would cause the gac enumeration method to throw an exception indicating the assembly is not a strongnamed assembly.
string location = null;
// If the publickeyToken is null and the publickeytoken is in the fusion name then this means we are passing in a null or empty PublicKeyToken and then this cannot possibly be in the gac.
if ((strongName.GetPublicKeyToken() == null || strongName.GetPublicKeyToken().Length == 0) && strongName.FullName.IndexOf("PublicKeyToken", StringComparison.OrdinalIgnoreCase) != -1)
{
if (fusionNameToResolvedPath != null)
{
fusionNameToResolvedPath.TryAdd(strongName, location);
}
return(location);
}
// A delegate was not passed in to use the default one
getPathFromFusionName = getPathFromFusionName ?? pathFromFusionName;
// A delegate was not passed in to use the default one
getGacEnumerator = getGacEnumerator ?? gacEnumerator;
// If we have no processor architecture set then we can tryout a number of processor architectures.
if (!strongName.HasProcessorArchitectureInFusionName)
{
if (targetProcessorArchitecture != ProcessorArchitecture.MSIL && targetProcessorArchitecture != ProcessorArchitecture.None)
{
string processorArchitecture = ResolveAssemblyReference.ProcessorArchitectureToString(targetProcessorArchitecture);
// Try processor specific first.
if (fullFusionName)
{
location = CheckForFullFusionNameInGac(strongName, processorArchitecture, getPathFromFusionName);
}
else
{
location = GetLocationImpl(strongName, processorArchitecture, getRuntimeVersion, targetedRuntimeVersion, fileExists, getPathFromFusionName, getGacEnumerator, specificVersion);
}
if (location != null && location.Length > 0)
{
if (fusionNameToResolvedPath != null)
{
fusionNameToResolvedPath.TryAdd(strongName, location);
}
return(location);
}
}
// Next, try MSIL
if (fullFusionName)
{
location = CheckForFullFusionNameInGac(strongName, "MSIL", getPathFromFusionName);
}
else
{
location = GetLocationImpl(strongName, "MSIL", getRuntimeVersion, targetedRuntimeVersion, fileExists, getPathFromFusionName, getGacEnumerator, specificVersion);
}
if (location != null && location.Length > 0)
{
if (fusionNameToResolvedPath != null)
{
fusionNameToResolvedPath.TryAdd(strongName, location);
}
return(location);
}
}
// Next, try no processor architecure
if (fullFusionName)
{
location = CheckForFullFusionNameInGac(strongName, null, getPathFromFusionName);
}
else
{
location = GetLocationImpl(strongName, null, getRuntimeVersion, targetedRuntimeVersion, fileExists, getPathFromFusionName, getGacEnumerator, specificVersion);
}
if (location != null && location.Length > 0)
{
if (fusionNameToResolvedPath != null)
{
fusionNameToResolvedPath.TryAdd(strongName, location);
}
return(location);
}
if (fusionNameToResolvedPath != null)
{
fusionNameToResolvedPath.TryAdd(strongName, null);
}
return(null);
}
/// <summary>
/// Enumerate the gac and generate a list of assemblies which match the strongname by runtime.
/// </summary>
private static SortedDictionary <Version, SortedDictionary <AssemblyNameExtension, string> > GenerateListOfAssembliesByRuntime(string strongName, GetAssemblyRuntimeVersion getRuntimeVersion, Version targetedRuntime, FileExists fileExists, GetPathFromFusionName getPathFromFusionName, GetGacEnumerator getGacEnumerator, bool specificVersion)
{
ErrorUtilities.VerifyThrowArgumentNull(targetedRuntime, "targetedRuntime");
IEnumerable <AssemblyNameExtension> gacEnum = getGacEnumerator(strongName);
// Dictionary of Runtime version (sorted in reverse order) to a list of assemblies which are part of that runtime. This will allow us to pick the highest runtime and version first.
SortedDictionary <Version, SortedDictionary <AssemblyNameExtension, string> > assembliesWithValidRuntimes = new SortedDictionary <Version, SortedDictionary <AssemblyNameExtension, string> >(ReverseVersionGenericComparer.Comparer);
// Enumerate the gac values returned based on the partial or full fusion name.
if (gacEnum != null)
{
foreach (AssemblyNameExtension gacAssembly in gacEnum)
{
// We only have a fusion name from the IAssemblyName interface we need to get the path to the assembly to resolve it and to check its runtime.
string assemblyPath = getPathFromFusionName(gacAssembly.FullName);
// Make sure we could get the path from the Fusion name and make sure the file actually exists.
if (!String.IsNullOrEmpty(assemblyPath) && fileExists(assemblyPath))
{
// Get the runtime version from the found assembly.
string runtimeVersionRaw = getRuntimeVersion(assemblyPath);
// Convert the runtime string to a version so we can properly compare them as per version object comparison rules.
// We will accept version which are less than or equal to the targeted runtime.
Version runtimeVersion = VersionUtilities.ConvertToVersion(runtimeVersionRaw);
// Make sure the targeted runtime is greater than or equal to the runtime version of the assembly we got from the gac.
if (runtimeVersion != null)
{
if (targetedRuntime.CompareTo(runtimeVersion) >= 0 || specificVersion)
{
SortedDictionary <AssemblyNameExtension, string> assembliesWithRuntime = null;
assembliesWithValidRuntimes.TryGetValue(runtimeVersion, out assembliesWithRuntime);
// Create a new list if one does not exist.
if (assembliesWithRuntime == null)
{
assembliesWithRuntime = new SortedDictionary <AssemblyNameExtension, string>(AssemblyNameReverseVersionComparer.GenericComparer);
assembliesWithValidRuntimes.Add(runtimeVersion, assembliesWithRuntime);
}
if (!assembliesWithRuntime.ContainsKey(gacAssembly))
{
// Add the assembly to the list
assembliesWithRuntime.Add(gacAssembly, assemblyPath);
}
}
}
}
}
}
return(assembliesWithValidRuntimes);
}
/// <summary>
/// Given a strong name generate the gac enumerator.
/// </summary>
internal static IEnumerable<AssemblyNameExtension> GetGacNativeEnumerator(string strongName)
{
IEnumerable<AssemblyNameExtension> gacEnumerator = null;
try
{
// Will fail if the publickeyToken is null but will not fail if it is missing.
gacEnumerator = new Microsoft.Build.Tasks.NativeMethods.AssemblyCacheEnum(strongName);
}
catch (FileLoadException)
{
// We could not handle the name passed in
return null;
}
return gacEnumerator;
}
/// <summary>
/// Given a strong name, find its path in the GAC.
/// </summary>
/// <param name="strongName">The strong name.</param>
/// <param name="targetProcessorArchitecture">Like x86 or IA64\AMD64.</param>
/// <param name="getRuntimeVersion">Delegate to get the runtime version from a file path</param>
/// <param name="targetedRuntimeVersion">What version of the runtime are we targeting</param>
/// <param name="fullFusionName">Are we guranteed to have a full fusion name. This really can only happen if we have already resolved the assembly</param>
/// <returns>The path to the assembly. Empty if none exists.</returns>
internal static string GetLocation
(
IBuildEngine4 buildEngine,
AssemblyNameExtension strongName,
ProcessorArchitecture targetProcessorArchitecture,
GetAssemblyRuntimeVersion getRuntimeVersion,
Version targetedRuntimeVersion,
bool fullFusionName,
FileExists fileExists,
GetPathFromFusionName getPathFromFusionName,
GetGacEnumerator getGacEnumerator,
bool specificVersion
)
{
ConcurrentDictionary<AssemblyNameExtension, string> fusionNameToResolvedPath = null;
bool useGacRarCache = Environment.GetEnvironmentVariable("MSBUILDDISABLEGACRARCACHE") == null;
if (buildEngine != null && useGacRarCache)
{
string key = "44d78b60-3bbe-48fe-9493-04119ebf515f" + "|" + targetProcessorArchitecture.ToString() + "|" + targetedRuntimeVersion.ToString() + "|" + fullFusionName.ToString() + "|" + specificVersion.ToString();
fusionNameToResolvedPath = buildEngine.GetRegisteredTaskObject(key, RegisteredTaskObjectLifetime.Build) as ConcurrentDictionary<AssemblyNameExtension, string>;
if (fusionNameToResolvedPath == null)
{
fusionNameToResolvedPath = new ConcurrentDictionary<AssemblyNameExtension, string>(AssemblyNameComparer.GenericComparer);
buildEngine.RegisterTaskObject(key, fusionNameToResolvedPath, RegisteredTaskObjectLifetime.Build, true /* dispose early ok*/);
}
else
{
if (fusionNameToResolvedPath.ContainsKey(strongName))
{
string fusionName = null;
fusionNameToResolvedPath.TryGetValue(strongName, out fusionName);
return fusionName;
}
}
}
// Optimize out the case where the public key token is null, if it is null it is not a strongly named assembly and CANNOT be in the gac.
// also passing it would cause the gac enumeration method to throw an exception indicating the assembly is not a strongnamed assembly.
string location = null;
// If the publickeyToken is null and the publickeytoken is in the fusion name then this means we are passing in a null or empty PublicKeyToken and then this cannot possibly be in the gac.
if ((strongName.GetPublicKeyToken() == null || strongName.GetPublicKeyToken().Length == 0) && strongName.FullName.IndexOf("PublicKeyToken", StringComparison.OrdinalIgnoreCase) != -1)
{
if (fusionNameToResolvedPath != null)
{
fusionNameToResolvedPath.TryAdd(strongName, location);
}
return location;
}
// A delegate was not passed in to use the default one
getPathFromFusionName = getPathFromFusionName ?? pathFromFusionName;
// A delegate was not passed in to use the default one
getGacEnumerator = getGacEnumerator ?? gacEnumerator;
// If we have no processor architecture set then we can tryout a number of processor architectures.
if (!strongName.HasProcessorArchitectureInFusionName)
{
if (targetProcessorArchitecture != ProcessorArchitecture.MSIL && targetProcessorArchitecture != ProcessorArchitecture.None)
{
string processorArchitecture = ResolveAssemblyReference.ProcessorArchitectureToString(targetProcessorArchitecture);
// Try processor specific first.
if (fullFusionName)
{
location = CheckForFullFusionNameInGac(strongName, processorArchitecture, getPathFromFusionName);
}
else
{
location = GetLocationImpl(strongName, processorArchitecture, getRuntimeVersion, targetedRuntimeVersion, fileExists, getPathFromFusionName, getGacEnumerator, specificVersion);
}
if (location != null && location.Length > 0)
{
if (fusionNameToResolvedPath != null)
{
fusionNameToResolvedPath.TryAdd(strongName, location);
}
return location;
}
}
// Next, try MSIL
if (fullFusionName)
{
location = CheckForFullFusionNameInGac(strongName, "MSIL", getPathFromFusionName);
}
else
{
location = GetLocationImpl(strongName, "MSIL", getRuntimeVersion, targetedRuntimeVersion, fileExists, getPathFromFusionName, getGacEnumerator, specificVersion);
}
if (location != null && location.Length > 0)
{
if (fusionNameToResolvedPath != null)
{
fusionNameToResolvedPath.TryAdd(strongName, location);
}
return location;
}
}
// Next, try no processor architecure
if (fullFusionName)
{
location = CheckForFullFusionNameInGac(strongName, null, getPathFromFusionName);
}
else
{
location = GetLocationImpl(strongName, null, getRuntimeVersion, targetedRuntimeVersion, fileExists, getPathFromFusionName, getGacEnumerator, specificVersion);
}
if (location != null && location.Length > 0)
{
if (fusionNameToResolvedPath != null)
{
fusionNameToResolvedPath.TryAdd(strongName, location);
}
return location;
}
if (fusionNameToResolvedPath != null)
{
fusionNameToResolvedPath.TryAdd(strongName, null);
}
return null;
}
/// <summary>
/// Given a strong name, find its path in the GAC.
/// </summary>
/// <param name="strongName">The strong name.</param>
/// <param name="targetProcessorArchitecture">Like x86 or IA64\AMD64.</param>
/// <param name="getRuntimeVersion">Delegate to get the runtime version from a file path</param>
/// <param name="targetedRuntimeVersion">What version of the runtime are we targeting</param>
/// <param name="fullFusionName">Are we guranteed to have a full fusion name. This really can only happen if we have already resolved the assembly</param>
/// <returns>The path to the assembly. Empty if none exists.</returns>
internal static string GetLocation
(
AssemblyNameExtension strongName,
ProcessorArchitecture targetProcessorArchitecture,
GetAssemblyRuntimeVersion getRuntimeVersion,
Version targetedRuntimeVersion,
bool fullFusionName,
FileExists fileExists,
GetPathFromFusionName getPathFromFusionName,
GetGacEnumerator getGacEnumerator,
bool specificVersion
)
{
return GetLocation(null, strongName, targetProcessorArchitecture, getRuntimeVersion, targetedRuntimeVersion, fullFusionName, fileExists, getPathFromFusionName, getGacEnumerator, specificVersion);
}
/// <summary>
/// Enumerate the gac and generate a list of assemblies which match the strongname by runtime.
/// </summary>
private static SortedDictionary<Version, SortedDictionary<AssemblyNameExtension, string>> GenerateListOfAssembliesByRuntime(string strongName, GetAssemblyRuntimeVersion getRuntimeVersion, Version targetedRuntime, FileExists fileExists, GetPathFromFusionName getPathFromFusionName, GetGacEnumerator getGacEnumerator, bool specificVersion)
{
ErrorUtilities.VerifyThrowArgumentNull(targetedRuntime, "targetedRuntime");
IEnumerable<AssemblyNameExtension> gacEnum = getGacEnumerator(strongName);
// Dictionary of Runtime version (sorted in reverse order) to a list of assemblies which are part of that runtime. This will allow us to pick the highest runtime and version first.
SortedDictionary<Version, SortedDictionary<AssemblyNameExtension, string>> assembliesWithValidRuntimes = new SortedDictionary<Version, SortedDictionary<AssemblyNameExtension, string>>(ReverseVersionGenericComparer.Comparer);
// Enumerate the gac values returned based on the partial or full fusion name.
if (gacEnum != null)
{
foreach (AssemblyNameExtension gacAssembly in gacEnum)
{
// We only have a fusion name from the IAssemblyName interface we need to get the path to the assembly to resolve it and to check its runtime.
string assemblyPath = getPathFromFusionName(gacAssembly.FullName);
// Make sure we could get the path from the Fusion name and make sure the file actually exists.
if (!String.IsNullOrEmpty(assemblyPath) && fileExists(assemblyPath))
{
// Get the runtime version from the found assembly.
string runtimeVersionRaw = getRuntimeVersion(assemblyPath);
// Convert the runtime string to a version so we can properly compare them as per version object comparison rules.
// We will accept version which are less than or equal to the targeted runtime.
Version runtimeVersion = VersionUtilities.ConvertToVersion(runtimeVersionRaw);
// Make sure the targeted runtime is greater than or equal to the runtime version of the assembly we got from the gac.
if (runtimeVersion != null)
{
if (targetedRuntime.CompareTo(runtimeVersion) >= 0 || specificVersion)
{
SortedDictionary<AssemblyNameExtension, string> assembliesWithRuntime = null;
assembliesWithValidRuntimes.TryGetValue(runtimeVersion, out assembliesWithRuntime);
// Create a new list if one does not exist.
if (assembliesWithRuntime == null)
{
assembliesWithRuntime = new SortedDictionary<AssemblyNameExtension, string>(AssemblyNameReverseVersionComparer.GenericComparer);
assembliesWithValidRuntimes.Add(runtimeVersion, assembliesWithRuntime);
}
if (!assembliesWithRuntime.ContainsKey(gacAssembly))
{
// Add the assembly to the list
assembliesWithRuntime.Add(gacAssembly, assemblyPath);
}
}
}
}
}
}
return assembliesWithValidRuntimes;
}
internal static string GetLocation(AssemblyNameExtension strongName, ProcessorArchitecture targetProcessorArchitecture, GetAssemblyRuntimeVersion getRuntimeVersion, Version targetedRuntimeVersion, bool fullFusionName, Microsoft.Build.Shared.FileExists fileExists, GetPathFromFusionName getPathFromFusionName, GetGacEnumerator getGacEnumerator, bool specificVersion)
{
string str = null;
if (((strongName.GetPublicKeyToken() == null) || (strongName.GetPublicKeyToken().Length == 0)) && (strongName.FullName.IndexOf("PublicKeyToken", StringComparison.OrdinalIgnoreCase) != -1))
{
return(str);
}
getPathFromFusionName = getPathFromFusionName ?? pathFromFusionName;
getGacEnumerator = getGacEnumerator ?? gacEnumerator;
if (!strongName.HasProcessorArchitectureInFusionName)
{
if ((targetProcessorArchitecture != ProcessorArchitecture.MSIL) && (targetProcessorArchitecture != ProcessorArchitecture.None))
{
string str2 = ResolveAssemblyReference.ProcessorArchitectureToString(targetProcessorArchitecture);
if (fullFusionName)
{
str = CheckForFullFusionNameInGac(strongName, str2, getPathFromFusionName);
}
else
{
str = GetLocationImpl(strongName, str2, getRuntimeVersion, targetedRuntimeVersion, fileExists, getPathFromFusionName, getGacEnumerator, specificVersion);
}
if ((str != null) && (str.Length > 0))
{
return(str);
}
}
if (fullFusionName)
{
str = CheckForFullFusionNameInGac(strongName, "MSIL", getPathFromFusionName);
}
else
{
str = GetLocationImpl(strongName, "MSIL", getRuntimeVersion, targetedRuntimeVersion, fileExists, getPathFromFusionName, getGacEnumerator, specificVersion);
}
if ((str != null) && (str.Length > 0))
{
return(str);
}
}
if (fullFusionName)
{
str = CheckForFullFusionNameInGac(strongName, null, getPathFromFusionName);
}
else
{
str = GetLocationImpl(strongName, null, getRuntimeVersion, targetedRuntimeVersion, fileExists, getPathFromFusionName, getGacEnumerator, specificVersion);
}
if ((str != null) && (str.Length > 0))
{
return(str);
}
return(null);
}
private static SortedDictionary <Version, SortedDictionary <AssemblyNameExtension, string> > GenerateListOfAssembliesByRuntime(string strongName, GetAssemblyRuntimeVersion getRuntimeVersion, Version targetedRuntime, Microsoft.Build.Shared.FileExists fileExists, GetPathFromFusionName getPathFromFusionName, GetGacEnumerator getGacEnumerator, bool specificVersion)
{
Microsoft.Build.Shared.ErrorUtilities.VerifyThrowArgumentNull(targetedRuntime, "targetedRuntime");
IEnumerable <AssemblyNameExtension> enumerable = getGacEnumerator(strongName);
SortedDictionary <Version, SortedDictionary <AssemblyNameExtension, string> > dictionary = new SortedDictionary <Version, SortedDictionary <AssemblyNameExtension, string> >(ReverseVersionGenericComparer.Comparer);
if (enumerable != null)
{
foreach (AssemblyNameExtension extension in enumerable)
{
string str = getPathFromFusionName(extension.FullName);
if (!string.IsNullOrEmpty(str) && fileExists(str))
{
Version version = VersionUtilities.ConvertToVersion(getRuntimeVersion(str));
if ((version != null) && ((targetedRuntime.CompareTo(version) >= 0) || specificVersion))
{
SortedDictionary <AssemblyNameExtension, string> dictionary2 = null;
dictionary.TryGetValue(version, out dictionary2);
if (dictionary2 == null)
{
dictionary2 = new SortedDictionary <AssemblyNameExtension, string>(AssemblyNameReverseVersionComparer.GenericComparer);
dictionary.Add(version, dictionary2);
}
if (!dictionary2.ContainsKey(extension))
{
dictionary2.Add(extension, str);
}
}
}
}
}
return(dictionary);
}
private static string GetLocationImpl(AssemblyNameExtension assemblyName, string targetProcessorArchitecture, GetAssemblyRuntimeVersion getRuntimeVersion, Version targetedRuntime, Microsoft.Build.Shared.FileExists fileExists, GetPathFromFusionName getPathFromFusionName, GetGacEnumerator getGacEnumerator, bool specificVersion)
{
Microsoft.Build.Shared.ErrorUtilities.VerifyThrowArgumentNull(assemblyName, "assemblyName");
Microsoft.Build.Shared.ErrorUtilities.VerifyThrow(assemblyName.FullName != null, "Got a null assembly name fullname.");
string fullName = assemblyName.FullName;
if ((targetProcessorArchitecture != null) && !assemblyName.HasProcessorArchitectureInFusionName)
{
fullName = fullName + ", ProcessorArchitecture=" + targetProcessorArchitecture;
}
string str2 = string.Empty;
SortedDictionary <Version, SortedDictionary <AssemblyNameExtension, string> > dictionary = GenerateListOfAssembliesByRuntime(fullName, getRuntimeVersion, targetedRuntime, fileExists, getPathFromFusionName, getGacEnumerator, specificVersion);
if (dictionary != null)
{
foreach (SortedDictionary <AssemblyNameExtension, string> dictionary2 in dictionary.Values)
{
if (dictionary2.Count <= 0)
{
continue;
}
foreach (KeyValuePair <AssemblyNameExtension, string> pair in dictionary2)
{
str2 = pair.Value;
break;
}
if (!string.IsNullOrEmpty(str2))
{
return(str2);
}
}
}
return(str2);
}
private static string GetLocationImpl(AssemblyNameExtension assemblyName, string targetProcessorArchitecture, GetAssemblyRuntimeVersion getRuntimeVersion, Version targetedRuntime, Microsoft.Build.Shared.FileExists fileExists, GetPathFromFusionName getPathFromFusionName, GetGacEnumerator getGacEnumerator, bool specificVersion)
{
Microsoft.Build.Shared.ErrorUtilities.VerifyThrowArgumentNull(assemblyName, "assemblyName");
Microsoft.Build.Shared.ErrorUtilities.VerifyThrow(assemblyName.FullName != null, "Got a null assembly name fullname.");
string fullName = assemblyName.FullName;
if ((targetProcessorArchitecture != null) && !assemblyName.HasProcessorArchitectureInFusionName)
{
fullName = fullName + ", ProcessorArchitecture=" + targetProcessorArchitecture;
}
string str2 = string.Empty;
SortedDictionary<Version, SortedDictionary<AssemblyNameExtension, string>> dictionary = GenerateListOfAssembliesByRuntime(fullName, getRuntimeVersion, targetedRuntime, fileExists, getPathFromFusionName, getGacEnumerator, specificVersion);
if (dictionary != null)
{
foreach (SortedDictionary<AssemblyNameExtension, string> dictionary2 in dictionary.Values)
{
if (dictionary2.Count <= 0)
{
continue;
}
foreach (KeyValuePair<AssemblyNameExtension, string> pair in dictionary2)
{
str2 = pair.Value;
break;
}
if (!string.IsNullOrEmpty(str2))
{
return str2;
}
}
}
return str2;
}
