object ConvertTo(string source, Type targetType, ExpressionEvaluator evaluator)
{
if (targetType == typeof(ITaskItem) || targetType.IsSubclassOf(typeof(ITaskItem)))
{
var item = evaluator.EvaluatedTaskItems.FirstOrDefault(i => string.Equals(i.ItemSpec, source.Trim(), StringComparison.OrdinalIgnoreCase));
var ret = new TargetOutputTaskItem()
{
ItemSpec = source.Trim()
};
if (item != null)
{
foreach (string name in item.MetadataNames)
{
ret.SetMetadata(name, item.GetMetadata(name));
}
}
return(ret);
}
if (targetType.IsArray)
{
return(new ArrayList(source.Split(';').Select(s => s.Trim()).Where(s => !string.IsNullOrEmpty(s)).Select(s => ConvertTo(s, targetType.GetElementType(), evaluator)).ToArray())
.ToArray(targetType.GetElementType()));
}
if (targetType == typeof(bool))
{
switch (source != null ? source.ToLower(CultureInfo.InvariantCulture) : string.Empty)
{
case "true":
case "yes":
case "on":
return(true);
case "false":
case "no":
case "off":
case "":
return(false);
}
}
return(Convert.ChangeType(source == "" ? null : source, targetType));
}
object ConvertTo (string source, Type targetType, ExpressionEvaluator evaluator)
{
if (targetType == typeof (ITaskItem) || targetType.IsSubclassOf (typeof (ITaskItem))) {
var item = evaluator.EvaluatedTaskItems.FirstOrDefault (i => string.Equals (i.ItemSpec, source.Trim (), StringComparison.OrdinalIgnoreCase));
var ret = new TargetOutputTaskItem () { ItemSpec = source.Trim () };
if (item != null)
foreach (string name in item.MetadataNames)
ret.SetMetadata (name, item.GetMetadata (name));
return ret;
}
if (targetType.IsArray)
return new ArrayList (source.Split (';').Select (s => s.Trim ()).Where (s => !string.IsNullOrEmpty (s)).Select (s => ConvertTo (s, targetType.GetElementType (), evaluator)).ToArray ())
.ToArray (targetType.GetElementType ());
if (targetType == typeof (bool)) {
switch (source != null ? source.ToLower (CultureInfo.InvariantCulture) : string.Empty) {
case "true":
case "yes":
case "on":
return true;
case "false":
case "no":
case "off":
case "":
return false;
}
}
return Convert.ChangeType (source == "" ? null : source, targetType);
}
