/// <summary>
/// Parses the input and output files for copy tasks of given target.
/// </summary>
private static void ParseCopyTask(
ProjectTargetInstance target,
ProjectInstance projectInstance,
ProjectPredictionReporter predictionReporter)
{
// Get all Copy tasks from targets.
List <ProjectTaskInstance> tasks = target.Tasks
.Where(task => string.Equals(task.Name, CopyTaskName, StringComparison.Ordinal))
.ToList();
if (tasks.Any() && projectInstance.EvaluateConditionCarefully(target.Condition))
{
foreach (ProjectTaskInstance task in tasks)
{
if (projectInstance.EvaluateConditionCarefully(task.Condition))
{
var inputs = new FileExpressionList(
task.Parameters[CopyTaskSourceFiles],
projectInstance,
task);
if (inputs.NumExpressions == 0)
{
continue;
}
foreach (var file in inputs.DedupedFiles)
{
predictionReporter.ReportInputFile(file);
}
bool hasDestinationFolder = task.Parameters.TryGetValue(
CopyTaskDestinationFolder,
out string destinationFolder);
bool hasDestinationFiles = task.Parameters.TryGetValue(
CopyTaskDestinationFiles,
out string destinationFiles);
if (hasDestinationFiles || hasDestinationFolder)
{
// Having both is an MSBuild violation, which it will complain about.
if (hasDestinationFolder && hasDestinationFiles)
{
continue;
}
string destination = destinationFolder ?? destinationFiles;
var outputs = new FileExpressionList(destination, projectInstance, task);
// When using batch tokens, the user should specify exactly one total token, and it must appear in both the input and output.
// Doing otherwise should be a BuildCop error. If not using batch tokens, then any number of other tokens is fine.
if ((outputs.NumBatchExpressions == 1 && outputs.NumExpressions == 1 &&
inputs.NumBatchExpressions == 1 && inputs.NumExpressions == 1) ||
(outputs.NumBatchExpressions == 0 && inputs.NumBatchExpressions == 0))
{
ProcessOutputs(inputs, outputs, hasDestinationFolder, predictionReporter);
}
else
{
// Ignore case we cannot handle.
}
}
else
{
// Ignore malformed case.
}
}
}
}
}