private static AssemblyAttribute ExtractAttributeFromItem(ITaskItem item)
{
var type = item.ItemSpec;
// Some attributes only allow positional constructor arguments, or the user may just prefer them.
// To set those, use metadata names like "_Parameter1", "_Parameter2" etc.
// If a parameter index is skipped, it's an error.
var customMetadata = item.CloneCustomMetadata() ?? new Dictionary <string, string>();
var orderedParameters = new List <object?>(customMetadata.Count + 1 /* max possible slots needed */);
var namedParameters = new Dictionary <string, object?>();
foreach (var customMetadataEntry in customMetadata)
{
if (customMetadataEntry is not DictionaryEntry entry)
{
continue;
}
var name = (string)entry.Key;
var valueStr = (string?)entry.Value;
if (!CodeGeneratorConfigurationUtility.TryParseConstantValue(valueStr, out var value))
{
throw new BuildErrorException(Strings.LiteralAssemblyAttributes.InvalidParameterValueFmt, name);
}
if (name.StartsWith("_Parameter", StringComparison.OrdinalIgnoreCase))
{
if (!int.TryParse(name["_Parameter".Length..], out var index))
private static Constant ExtractConstantDefinitionFromItem(ITaskItem item)
{
var name = item.ItemSpec.Trim();
var valueStr = item.GetMetadata("Value")?.Trim() ?? "<null>";
if (!CodeGeneratorConfigurationUtility.TryParseConstantValue(valueStr, out var value))
{
throw new BuildErrorException(Strings.ThisAssemblyClass.InvalidConstantValueFmt, name, valueStr);
}
return(new Constant(name, value));
}
