blob: 3ddef421737d589ba07e0a40f01a8e22a1f678f0 [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/assist.dart';
import 'package:analysis_server/src/services/correction/dart/abstract_producer.dart';
import 'package:analysis_server/src/services/correction/fix.dart';
import 'package:analyzer/dart/ast/ast.dart';
import 'package:analyzer/source/source_range.dart';
import 'package:analyzer_plugin/utilities/assist/assist.dart';
import 'package:analyzer_plugin/utilities/change_builder/change_builder_core.dart';
import 'package:analyzer_plugin/utilities/fixes/fixes.dart';
abstract class ConvertQuotes extends CorrectionProducer {
ConvertQuotes();
/// Return `true` if this producer is converting from double quotes to single
/// quotes, or `false` if it's converting from single quotes to double quotes.
bool get _fromDouble;
@override
Future<void> compute(ChangeBuilder builder) async {
if (node is SimpleStringLiteral) {
SimpleStringLiteral literal = node;
if (_fromDouble ? !literal.isSingleQuoted : literal.isSingleQuoted) {
var newQuote = literal.isMultiline
? (_fromDouble ? "'''" : '"""')
: (_fromDouble ? "'" : '"');
var quoteLength = literal.isMultiline ? 3 : 1;
var lexeme = literal.literal.lexeme;
if (!lexeme.contains(newQuote)) {
await builder.addDartFileEdit(file, (builder) {
builder.addSimpleReplacement(
SourceRange(
literal.offset + (literal.isRaw ? 1 : 0), quoteLength),
newQuote);
builder.addSimpleReplacement(
SourceRange(literal.end - quoteLength, quoteLength), newQuote);
});
}
}
} else if (node is InterpolationString || node is StringInterpolation) {
StringInterpolation stringNode =
node is StringInterpolation ? node : node.parent;
if (_fromDouble
? !stringNode.isSingleQuoted
: stringNode.isSingleQuoted) {
var newQuote = stringNode.isMultiline
? (_fromDouble ? "'''" : '"""')
: (_fromDouble ? "'" : '"');
var quoteLength = stringNode.isMultiline ? 3 : 1;
var elements = stringNode.elements;
for (var i = 0; i < elements.length; i++) {
var element = elements[i];
if (element is InterpolationString) {
var lexeme = element.contents.lexeme;
if (lexeme.contains(newQuote)) {
return null;
}
}
}
await builder.addDartFileEdit(file, (builder) {
builder.addSimpleReplacement(
SourceRange(
stringNode.offset + (stringNode.isRaw ? 1 : 0), quoteLength),
newQuote);
builder.addSimpleReplacement(
SourceRange(stringNode.end - quoteLength, quoteLength), newQuote);
});
}
}
}
}
class ConvertToDoubleQuotes extends ConvertQuotes {
ConvertToDoubleQuotes();
@override
AssistKind get assistKind => DartAssistKind.CONVERT_TO_DOUBLE_QUOTED_STRING;
@override
bool get _fromDouble => false;
/// Return an instance of this class. Used as a tear-off in `FixProcessor`.
static ConvertToDoubleQuotes newInstance() => ConvertToDoubleQuotes();
}
class ConvertToSingleQuotes extends ConvertQuotes {
ConvertToSingleQuotes();
@override
AssistKind get assistKind => DartAssistKind.CONVERT_TO_SINGLE_QUOTED_STRING;
@override
FixKind get fixKind => DartFixKind.CONVERT_TO_SINGLE_QUOTED_STRING;
@override
bool get _fromDouble => true;
/// Return an instance of this class. Used as a tear-off in `FixProcessor`.
static ConvertToSingleQuotes newInstance() => ConvertToSingleQuotes();
}