public static bool TryParse(ITaskItem item, TaskLoggingHelper log, Func <string, bool> directoryExists, out RobocopyMetadata metadata)
{
metadata = null;
if (string.IsNullOrEmpty(item.GetMetadata("DestinationFolder")))
{
log.LogError("A value for \"DestinationFolder\" is required for the item \"{0}\".", item.ItemSpec);
return(false);
}
// A common error - a property doesn't resolve and it references the drive root
if (item.ItemSpec.StartsWith(@"\") && !item.ItemSpec.StartsWith(@"\\"))
{
log.LogError("The specified source location \"{0}\" cannot start with '\'", item.ItemSpec);
return(false);
}
string source;
try
{
source = Path.GetFullPath(item.ItemSpec).TrimEnd(Path.DirectorySeparatorChar);
}
catch (Exception e)
{
log.LogError("Failed to expand the path \"{0}\".", item.ItemSpec);
log.LogErrorFromException(e);
return(false);
}
metadata = new RobocopyMetadata
{
IsRecursive = item.GetMetadataBoolean(nameof(IsRecursive)),
VerifyExists = item.GetMetadataBoolean(nameof(VerifyExists)),
AlwaysCopy = item.GetMetadataBoolean(nameof(AlwaysCopy), defaultValue: false),
OnlyNewer = item.GetMetadataBoolean(nameof(OnlyNewer), defaultValue: false),
};
foreach (string destination in item.GetMetadata("DestinationFolder").Split(DestinationSplitter, StringSplitOptions.RemoveEmptyEntries))
{
if (destination.StartsWith(@"\") && !destination.StartsWith(@"\\"))
{
log.LogError("The specified destination \"{0}\" cannot start with '{1}'", destination, Path.DirectorySeparatorChar);
return(false);
}
try
{
metadata.DestinationFolders.Add(Path.GetFullPath(destination).TrimEnd(Path.DirectorySeparatorChar));
}
catch (Exception e)
{
log.LogError("Failed to expand the path \"{0}\".", item.ItemSpec);
log.LogErrorFromException(e);
return(false);
}
}
if (directoryExists(source))
{
metadata.SourceFolder = source;
metadata.SplitItems("FileMatch", item);
metadata.SplitItems("FileExclude", item);
metadata.SplitItems("DirExclude", item);
metadata.HasWildcardMatches = metadata.FileRegexMatches != null || metadata.FileRegexExcludes != null || metadata.DirRegexExcludes != null;
}
else
{
metadata.IsRecursive = false;
metadata.SourceFolder = Path.GetDirectoryName(source);
metadata.FileMatches = new[] { Path.GetFileName(source) };
if (metadata.SourceFolder == null)
{
return(false);
}
}
return(true);
}