blob: acb12013919d7b633cd25681ba77e9c8b7354bbc [file] [log] [blame]
// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import 'package:analysis_server/src/services/correction/dart/abstract_producer.dart';
import 'package:analysis_server/src/services/correction/fix.dart';
import 'package:analysis_server/src/services/correction/util.dart';
import 'package:analysis_server/src/utilities/strings.dart';
import 'package:analyzer/dart/ast/ast.dart';
import 'package:analyzer/dart/element/element.dart';
import 'package:analyzer_plugin/utilities/change_builder/change_builder_core.dart';
import 'package:analyzer_plugin/utilities/fixes/fixes.dart';
import 'package:analyzer_plugin/utilities/range_factory.dart';
class RenameToCamelCase extends CorrectionProducer {
/// The camel-case version of the name.
String _newName;
@override
List<Object> get fixArguments => [_newName];
@override
FixKind get fixKind => DartFixKind.RENAME_TO_CAMEL_CASE;
@override
Future<void> compute(ChangeBuilder builder) async {
if (node is! SimpleIdentifier) {
return;
}
SimpleIdentifier identifier = node;
// Prepare the new name.
var words = identifier.name.split('_');
if (words.length < 2) {
return;
}
_newName = words.first + words.skip(1).map((w) => capitalize(w)).join();
// Find references to the identifier.
List<SimpleIdentifier> references;
var element = identifier.staticElement;
if (element is LocalVariableElement) {
AstNode root = node.thisOrAncestorOfType<Block>();
references = findLocalElementReferences(root, element);
} else if (element is ParameterElement) {
if (!element.isNamed) {
var root = node.thisOrAncestorMatching((node) =>
node.parent is ClassOrMixinDeclaration ||
node.parent is CompilationUnit);
references = findLocalElementReferences(root, element);
}
}
if (references == null) {
return;
}
// Compute the change.
await builder.addDartFileEdit(file, (builder) {
for (var reference in references) {
builder.addSimpleReplacement(range.node(reference), _newName);
}
});
}
/// Return an instance of this class. Used as a tear-off in `FixProcessor`.
static RenameToCamelCase newInstance() => RenameToCamelCase();
}