/// <summary>
/// This constructor allows all output data to be initialized.
/// </summary>
/// <owner>SumedhK</owner>
/// <param name="node">The XML element for the Output tag.</param>
internal TaskOutput(XmlElement node)
{
ErrorUtilities.VerifyThrow(node != null, "Need the XML for the <Output> tag.");
ProjectXmlUtilities.VerifyThrowProjectNoChildElements(node);
int requiredData = 0;
string taskName = node.ParentNode.Name;
foreach (XmlAttribute outputAttribute in node.Attributes)
{
switch (outputAttribute.Name)
{
case XMakeAttributes.taskParameter:
ProjectErrorUtilities.VerifyThrowInvalidProject(outputAttribute.Value.Length > 0, outputAttribute,
"InvalidAttributeValue", outputAttribute.Value, outputAttribute.Name, XMakeElements.output);
ProjectErrorUtilities.VerifyThrowInvalidProject(!XMakeAttributes.IsSpecialTaskAttribute(outputAttribute.Value) && !XMakeAttributes.IsBadlyCasedSpecialTaskAttribute(outputAttribute.Value), outputAttribute,
"BadlyCasedSpecialTaskAttribute", outputAttribute.Value, taskName, taskName);
this.taskParameterAttribute = outputAttribute;
break;
case XMakeAttributes.itemName:
ProjectErrorUtilities.VerifyThrowInvalidProject(outputAttribute.Value.Length > 0, outputAttribute,
"InvalidAttributeValue", outputAttribute.Value, outputAttribute.Name, XMakeElements.output);
this.itemNameAttribute = outputAttribute;
requiredData++;
break;
case XMakeAttributes.propertyName:
ProjectErrorUtilities.VerifyThrowInvalidProject(outputAttribute.Value.Length > 0, outputAttribute,
"InvalidAttributeValue", outputAttribute.Value, outputAttribute.Name, XMakeElements.output);
ProjectErrorUtilities.VerifyThrowInvalidProject(!ReservedPropertyNames.IsReservedProperty(outputAttribute.Value), node,
"CannotModifyReservedProperty", outputAttribute.Value);
this.propertyNameAttribute = outputAttribute;
requiredData++;
break;
case XMakeAttributes.condition:
this.conditionAttribute = outputAttribute;
break;
default:
ProjectXmlUtilities.ThrowProjectInvalidAttribute(outputAttribute);
break;
}
}
/* NOTE:
* TaskParameter must be specified
* either ItemName or PropertyName must be specified
* if ItemName is specified, then PropertyName cannot be specified
* if PropertyName is specified, then ItemName cannot be specified
* only Condition is truly optional
*/
ProjectErrorUtilities.VerifyThrowInvalidProject((this.taskParameterAttribute != null) && (requiredData == 1),
node, "InvalidTaskOutputSpecification", taskName);
}