2016-05-24 20:56:53 +02:00
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// Copyright 2016 Google Inc. Use of this source code is governed by an
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// MIT-style license that can be found in the LICENSE file or at
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// https://opensource.org/licenses/MIT.
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2016-08-15 00:49:50 +02:00
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import 'package:charcode/charcode.dart';
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2016-08-15 07:32:00 +02:00
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import '../utils.dart';
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2016-05-28 01:09:03 +02:00
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import '../visitor/value.dart';
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2016-05-24 20:56:53 +02:00
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import '../value.dart';
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class SassList extends Value {
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final List<Value> contents;
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final ListSeparator separator;
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2016-08-15 00:49:50 +02:00
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final bool isBracketed;
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2016-06-03 22:36:20 +02:00
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bool get isBlank => contents.every((element) => element.isBlank);
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2016-08-15 00:49:50 +02:00
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SassList(Iterable<Value> contents, this.separator, {bool bracketed})
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: contents = new List.unmodifiable(contents),
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isBracketed = bracketed;
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2016-05-24 20:56:53 +02:00
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2016-05-28 01:09:03 +02:00
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/*=T*/ accept/*<T>*/(ValueVisitor/*<T>*/ visitor) =>
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visitor.visitList(this);
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2016-08-15 07:32:00 +02:00
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bool operator ==(other) =>
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other is SassList &&
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other.separator == separator &&
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other.isBracketed == isBracketed &&
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listEquals(other.contents, contents);
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int get hashCode => listHash(contents);
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2016-05-24 20:56:53 +02:00
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// TODO: parenthesize nested lists if necessary
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2016-08-15 00:49:50 +02:00
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String toString() {
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var buffer = new StringBuffer();
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if (isBracketed) buffer.writeCharCode($lbracket);
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buffer.write(contents.join(separator == ListSeparator.comma ? ", " : " "));
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if (isBracketed) buffer.writeCharCode($rbracket);
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return buffer.toString();
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}
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2016-05-24 20:56:53 +02:00
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}
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class ListSeparator {
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static const space = const ListSeparator._("space");
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static const comma = const ListSeparator._("comma");
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2016-06-03 22:36:20 +02:00
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static const undecided = const ListSeparator._("undecided");
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2016-05-24 20:56:53 +02:00
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final String name;
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const ListSeparator._(this.name);
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String toString() => name;
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}
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