macos: Parse "[[ID|Label]]" subtitles

Changes

3 changed files (+104/-1)

• macos/RoonKit/Sources/RoonKit/Services/BrowseService.swift
  • @@ -116,6 +116,50 @@ public struct BrowseService {
    self.hint = hint self.inputPrompt = inputPrompt } + + /// Newer browsing pages, such as third-party cloud service's pages, *may* return + /// `[[ID|label]]` formatted text for subtitle. As the text will be nearly unreadable, + /// this helper getter function parses that and returns label part. The format is not specified. + public var correctedSubtitle: String? { + guard let subtitle = subtitle else { + return nil + } + + var source = subtitle[...] + var components: [Substring] = [] + + while true { + guard let starts = source.firstRange(of: "[[") else { + components.append(source) + break + } + + guard let idEnds = source.firstIndex(of: "|") else { + components.append(source) + break + } + + guard let ends = source.firstRange(of: "]]") else { + components.append(source) + break + } + + guard starts.upperBound < idEnds, idEnds < ends.lowerBound else { + components.append(source) + break + } + + components.append(source[..<starts.lowerBound]) + components.append(source[source.index(after: idEnds)..<ends.lowerBound]) + if ends.upperBound >= source.index(before: source.endIndex) { + break + } + + source = source[ends.upperBound...] + } + + return components.joined() + } } public enum ListHint: LosslessStringConvertible, Codable, Sendable {
• macos/RoonKit/Tests/RoonKitTests/Services/BrowseServiceTests.swift (new)
  • @@ -0,0 +1,59 @@
    + // Copyright 2025 Shota FUJI + // + // Licensed under the Apache License, Version 2.0 (the "License"); + // you may not use this file except in compliance with the License. + // You may obtain a copy of the License at + // + // http://www.apache.org/licenses/LICENSE-2.0 + // + // Unless required by applicable law or agreed to in writing, software + // distributed under the License is distributed on an "AS IS" BASIS, + // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + // See the License for the specific language governing permissions and + // limitations under the License. + // + // SPDX-License-Identifier: Apache-2.0 + + import Foundation + import Testing + + @testable import RoonKit + + @Suite("Subtitle parsing") + struct BrowseServiceSubtitleParsingTests { + @Test func fullLink() { + let item = BrowseService.Item(title: "Foo", subtitle: "[[123456|Subtitle]]") + #expect(item.correctedSubtitle == "Subtitle") + } + + @Test func nonLink() { + let item = BrowseService.Item(title: "Foo", subtitle: "[123456|Subtitle]") + #expect(item.correctedSubtitle == "[123456|Subtitle]") + } + + @Test func linkStartsInMiddle() { + let item = BrowseService.Item(title: "Foo", subtitle: "foo [[123456|bar]]") + #expect(item.correctedSubtitle == "foo bar") + } + + @Test func linkEndsInMiddle() { + let item = BrowseService.Item(title: "Foo", subtitle: "[[123456|foo]] bar") + #expect(item.correctedSubtitle == "foo bar") + } + + @Test func linkSurrounded() { + let item = BrowseService.Item( + title: "Foo", + subtitle: "foo [[123456|bar]] baz" + ) + #expect(item.correctedSubtitle == "foo bar baz") + } + + @Test func multipleLinks() { + let item = BrowseService.Item( + title: "Foo", + subtitle: "[[1|foo]] [[2|bar]] [[3|baz]]" + ) + #expect(item.correctedSubtitle == "foo bar baz") + } + }
• macos/plac/Views/Browser.swift
  • @@ -135,7 +135,7 @@ private struct Row: View {
    .font(.headline) .lineLimit(1) - if let subtitle = item.subtitle { + if let subtitle = item.correctedSubtitle { Text(subtitle) .font(.subheadline) .lineLimit(1)