/// <summary>
/// Adds a new UsingTask to this collection. Does not alter the parent project's XML.
/// </summary>
/// <param name="usingTask"></param>
/// <owner>LukaszG</owner>
internal void Add(UsingTask usingTask)
{
ErrorUtilities.VerifyThrow(this.usingTasks != null, "UsingTaskCollection's ArrayList not initialized!");
this.usingTasks.Add(usingTask);
}
/// <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);
}
}