53 lines
1 KiB
Dart
53 lines
1 KiB
Dart
import 'package:appflowy_editor/src/core/document/path.dart';
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class Position {
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Position({
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required this.path,
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this.offset = 0,
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});
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Position.invalid()
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: path = [-1],
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offset = -1;
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factory Position.fromJson(Map<String, dynamic> json) {
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final path = Path.from(json['path'] as List);
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final offset = json['offset'];
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return Position(
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path: path,
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offset: offset ?? 0,
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);
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}
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final Path path;
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final int offset;
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@override
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bool operator ==(Object other) {
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if (identical(this, other)) return true;
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return other is Position &&
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other.path.equals(path) &&
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other.offset == offset;
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}
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@override
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int get hashCode => Object.hash(offset, Object.hashAll(path));
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@override
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String toString() => 'path = $path, offset = $offset';
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Position copyWith({Path? path, int? offset}) {
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return Position(
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path: path ?? this.path,
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offset: offset ?? this.offset,
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);
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}
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Map<String, dynamic> toJson() {
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return {
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'path': path,
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'offset': offset,
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};
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}
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}
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