/// <summary>
/// Creates an instance of this class for the given type.
/// </summary>
/// <owner>SumedhK</owner>
/// <param name="type"></param>
/// <param name="assembly"></param>
internal LoadedType(Type type, AssemblyLoadInfo assembly)
{
ErrorUtilities.VerifyThrow(type != null, "We must have the type.");
ErrorUtilities.VerifyThrow(assembly != null, "We must have the assembly the type was loaded from.");
this.type = type;
this.assembly = assembly;
}
/// <summary>
/// Creates an instance of this class for the given type.
/// </summary>
/// <owner>SumedhK</owner>
/// <param name="type"></param>
/// <param name="assembly"></param>
internal LoadedType(Type type, AssemblyLoadInfo assembly)
{
ErrorUtilities.VerifyThrow(type != null, "We must have the type.");
ErrorUtilities.VerifyThrow(assembly != null, "We must have the assembly the type was loaded from.");
this.type = type;
this.assembly = assembly;
}
/// <summary>
/// Determines if two AssemblyLoadInfos are effectively the same.
/// </summary>
/// <returns></returns>
/// <owner>RGoel</owner>
public override bool Equals(Object obj)
{
if (obj == null)
{
return(false);
}
AssemblyLoadInfo otherAssemblyInfo = obj as AssemblyLoadInfo;
if (otherAssemblyInfo == null)
{
return(false);
}
return((this.AssemblyName == otherAssemblyInfo.AssemblyName) && (this.AssemblyFile == otherAssemblyInfo.AssemblyFile));
}
/// <summary>
/// Loads the specified type if it exists in the given assembly. If the type name is fully qualified, then a match (if
/// any) is unambiguous; otherwise, if there are multiple types with the same name in different namespaces, the first type
/// found will be returned.
/// </summary>
/// <remarks>This method throws exceptions -- it is the responsibility of the caller to handle them.</remarks>
/// <owner>SumedhK</owner>
/// <param name="typeName">Can be empty string.</param>
/// <param name="assembly"></param>
/// <returns>The loaded type, or null if the type was not found.</returns>
internal LoadedType Load
(
string typeName,
AssemblyLoadInfo assembly
)
{
Type type = null;
// Maybe we've already cracked open this assembly before. If so, just grab the list
// of public desired types that we found last time.
List<Type> desiredTypesInAssembly = null;
cacheOfAllDesiredTypesInAnAssembly.TryGetValue(assembly, out desiredTypesInAssembly);
// If we have the assembly name (strong or weak), and we haven't cracked this assembly open
// before to discover all the public desired types.
if ((assembly.AssemblyName != null) && (typeName.Length > 0) && (desiredTypesInAssembly == null))
{
try
{
// try to load the type using its assembly qualified name
type = Type.GetType(typeName + "," + assembly.AssemblyName, false /* don't throw on error */, true /* case-insensitive */);
}
catch (ArgumentException)
{
// Type.GetType() will throw this exception if the type name is invalid -- but we have no idea if it's the
// type or the assembly name that's the problem -- so just ignore the exception, because we're going to
// check the existence/validity of the assembly and type respectively, below anyway
}
}
// if we found the type, it means its assembly qualified name was also its fully qualified name
if (type != null)
{
// if it's not the right type, bail out -- there's no point searching further since we already matched on the
// fully qualified name
if (!isDesiredType(type, null))
{
return null;
}
}
// if the type name was not fully qualified, or if we only have the assembly file/path
else
{
if (desiredTypesInAssembly == null)
{
// we need to search the assembly for the type...
Assembly loadedAssembly;
try
{
if (assembly.AssemblyName != null)
{
loadedAssembly = Assembly.Load(assembly.AssemblyName);
}
else
{
loadedAssembly = Assembly.UnsafeLoadFrom(assembly.AssemblyFile);
}
}
// Assembly.Load() and Assembly.LoadFrom() will throw an ArgumentException if the assembly name is invalid
catch (ArgumentException e)
{
// convert to a FileNotFoundException because it's more meaningful
// NOTE: don't use ErrorUtilities.VerifyThrowFileExists() here because that will hit the disk again
throw new FileNotFoundException(null, assembly.ToString(), e);
}
// only look at public types
Type[] allPublicTypesInAssembly = loadedAssembly.GetExportedTypes();
desiredTypesInAssembly = new List<Type>();
foreach (Type publicType in allPublicTypesInAssembly)
{
if (isDesiredType(publicType, null))
{
desiredTypesInAssembly.Add(publicType);
}
}
// Save the list of desired types into our cache, so that we don't have to crack it
// open again.
cacheOfAllDesiredTypesInAnAssembly[assembly] = desiredTypesInAssembly;
}
foreach (Type desiredTypeInAssembly in desiredTypesInAssembly)
{
// if type matches partially on its name
if ((typeName.Length == 0) || IsPartialTypeNameMatch(desiredTypeInAssembly.FullName, typeName))
{
type = desiredTypeInAssembly;
break;
}
}
}
if (type != null)
{
return new LoadedType(type, assembly);
}
return null;
}
/// <summary>
/// Loads the specified type if it exists in the given assembly. If the type name is fully qualified, then a match (if
/// any) is unambiguous; otherwise, if there are multiple types with the same name in different namespaces, the first type
/// found will be returned.
/// </summary>
/// <remarks>This method throws exceptions -- it is the responsibility of the caller to handle them.</remarks>
/// <owner>SumedhK</owner>
/// <param name="typeName">Can be empty string.</param>
/// <param name="assembly"></param>
/// <returns>The loaded type, or null if the type was not found.</returns>
internal LoadedType Load
(
string typeName,
AssemblyLoadInfo assembly
)
{
Type type = null;
// Maybe we've already cracked open this assembly before. If so, just grab the list
// of public desired types that we found last time.
List <Type> desiredTypesInAssembly = null;
cacheOfAllDesiredTypesInAnAssembly.TryGetValue(assembly, out desiredTypesInAssembly);
// If we have the assembly name (strong or weak), and we haven't cracked this assembly open
// before to discover all the public desired types.
if ((assembly.AssemblyName != null) && (typeName.Length > 0) && (desiredTypesInAssembly == null))
{
try
{
// try to load the type using its assembly qualified name
type = Type.GetType(typeName + "," + assembly.AssemblyName, false /* don't throw on error */, true /* case-insensitive */);
}
catch (ArgumentException)
{
// Type.GetType() will throw this exception if the type name is invalid -- but we have no idea if it's the
// type or the assembly name that's the problem -- so just ignore the exception, because we're going to
// check the existence/validity of the assembly and type respectively, below anyway
}
}
// if we found the type, it means its assembly qualified name was also its fully qualified name
if (type != null)
{
// if it's not the right type, bail out -- there's no point searching further since we already matched on the
// fully qualified name
if (!isDesiredType(type, null))
{
return(null);
}
}
// if the type name was not fully qualified, or if we only have the assembly file/path
else
{
if (desiredTypesInAssembly == null)
{
// we need to search the assembly for the type...
Assembly loadedAssembly;
try
{
if (assembly.AssemblyName != null)
{
loadedAssembly = Assembly.Load(assembly.AssemblyName);
}
else
{
loadedAssembly = Assembly.UnsafeLoadFrom(assembly.AssemblyFile);
}
}
// Assembly.Load() and Assembly.LoadFrom() will throw an ArgumentException if the assembly name is invalid
catch (ArgumentException e)
{
// convert to a FileNotFoundException because it's more meaningful
// NOTE: don't use ErrorUtilities.VerifyThrowFileExists() here because that will hit the disk again
throw new FileNotFoundException(null, assembly.ToString(), e);
}
// only look at public types
Type[] allPublicTypesInAssembly = loadedAssembly.GetExportedTypes();
desiredTypesInAssembly = new List <Type>();
foreach (Type publicType in allPublicTypesInAssembly)
{
if (isDesiredType(publicType, null))
{
desiredTypesInAssembly.Add(publicType);
}
}
// Save the list of desired types into our cache, so that we don't have to crack it
// open again.
cacheOfAllDesiredTypesInAnAssembly[assembly] = desiredTypesInAssembly;
}
foreach (Type desiredTypeInAssembly in desiredTypesInAssembly)
{
// if type matches partially on its name
if ((typeName.Length == 0) || IsPartialTypeNameMatch(desiredTypeInAssembly.FullName, typeName))
{
type = desiredTypeInAssembly;
break;
}
}
}
if (type != null)
{
return(new LoadedType(type, assembly));
}
return(null);
}
public UsingTaskInfo(string taskName, string assemblyName, string assemblyFile)
{
TaskName = taskName;
AssemblyInfo = new AssemblyLoadInfo(assemblyName, assemblyFile);
}
internal void CreateFromStream(BinaryReader reader)
{
#region LoggerClassName
if (reader.ReadByte() ==0)
{
loggerClassName = null;
}
else
{
loggerClassName = reader.ReadString();
}
#endregion
#region LoggerSwitchParameters
if (reader.ReadByte() == 0)
{
loggerSwitchParameters = null;
}
else
{
loggerSwitchParameters = reader.ReadString();
}
#endregion
#region LoggerAssembly
if (reader.ReadByte() == 0)
{
loggerAssembly = null;
}
else
{
string assemblyName = null;
string assemblyFile = null;
if (reader.ReadByte() != 0)
{
assemblyFile = reader.ReadString();
}
if (reader.ReadByte() != 0)
{
assemblyName = reader.ReadString();
}
loggerAssembly = new AssemblyLoadInfo(assemblyName, assemblyFile);
}
#endregion
verbosity = (LoggerVerbosity)reader.ReadInt32();
loggerId = reader.ReadInt32();
}
/// <summary>
/// Converts the path to the logger assembly to a full path
/// </summary>
internal void ConvertPathsToFullPaths()
{
if (loggerAssembly.AssemblyFile != null)
{
loggerAssembly =
new AssemblyLoadInfo(loggerAssembly.AssemblyName, Path.GetFullPath(loggerAssembly.AssemblyFile));
}
}
/// <summary>
/// Reads the given <UsingTask> tag and saves the task information specified in it.
/// </summary>
/// <param name="usingTask"></param>
/// <param name="expander"></param>
/// <param name="loggingServices"></param>
/// <param name="buildEventContext"></param>
public void RegisterTask(UsingTask usingTask, Expander expander, EngineLoggingServices loggingServices, BuildEventContext buildEventContext)
{
if (
// if the <UsingTask> tag doesn't have a condition on it
(usingTask.Condition == null)
||
// or if the condition holds
Utilities.EvaluateCondition(usingTask.Condition, usingTask.ConditionAttribute, expander,
null, ParserOptions.AllowProperties | ParserOptions.AllowItemLists, loggingServices, buildEventContext)
)
{
// Lazily allocate the hashtables if they are needed
if (registeredTasks == null)
{
cachedTaskClassesWithExactMatch = new Hashtable(StringComparer.OrdinalIgnoreCase);
cachedTaskClassesWithFuzzyMatch = new Hashtable(StringComparer.OrdinalIgnoreCase);
registeredTasks = new Hashtable(StringComparer.OrdinalIgnoreCase);
}
string assemblyName = null;
string assemblyFile = null;
if (usingTask.AssemblyName != null)
{
// expand out all embedded properties and items in the assembly name
assemblyName = expander.ExpandAllIntoString(usingTask.AssemblyName, usingTask.AssemblyNameAttribute);
ProjectErrorUtilities.VerifyThrowInvalidProject(assemblyName.Length > 0,
usingTask.AssemblyNameAttribute, "InvalidEvaluatedAttributeValue", assemblyName, usingTask.AssemblyName, XMakeAttributes.assemblyName, XMakeElements.usingTask);
}
else
{
// expand out all embedded properties and items in the assembly file/path
assemblyFile = expander.ExpandAllIntoString(usingTask.AssemblyFile, usingTask.AssemblyFileAttribute);
ProjectErrorUtilities.VerifyThrowInvalidProject(assemblyFile.Length > 0,
usingTask.AssemblyFileAttribute, "InvalidEvaluatedAttributeValue", assemblyFile, usingTask.AssemblyFile, XMakeAttributes.assemblyFile, XMakeElements.usingTask);
// figure out the directory of the project in which this <UsingTask> node was defined
string projectFile = XmlUtilities.GetXmlNodeFile(usingTask.TaskNameAttribute.OwnerElement, String.Empty);
string projectDir = (projectFile.Length > 0)
? Path.GetDirectoryName(projectFile)
: String.Empty;
// ensure the assembly file/path is relative to the project in which this <UsingTask> node was defined -- we
// don't want paths from imported projects being interpreted relative to the main project file
try
{
assemblyFile = Path.Combine(projectDir, assemblyFile);
}
catch (ArgumentException ex)
{
// Invalid chars in AssemblyFile path
ProjectErrorUtilities.VerifyThrowInvalidProject(false, usingTask.AssemblyFileAttribute,
"InvalidAttributeValueWithException", assemblyFile,
XMakeAttributes.assemblyFile, XMakeElements.usingTask, ex.Message);
}
}
AssemblyLoadInfo taskAssembly = new AssemblyLoadInfo(assemblyName, assemblyFile);
// expand out all embedded properties and items
string taskName = expander.ExpandAllIntoString(usingTask.TaskName, usingTask.TaskNameAttribute);
ProjectErrorUtilities.VerifyThrowInvalidProject(taskName.Length > 0,
usingTask.TaskNameAttribute, "InvalidEvaluatedAttributeValue", taskName, usingTask.TaskName, XMakeAttributes.taskName, XMakeElements.usingTask);
// since more than one task can have the same name, we want to keep track of all assemblies that are declared to
// contain tasks with a given name...
ArrayList taskAssemblies = (ArrayList)registeredTasks[taskName];
if (taskAssemblies == null)
{
taskAssemblies = new ArrayList();
registeredTasks[taskName] = taskAssemblies;
}
taskAssemblies.Add(taskAssembly);
}
}
