feat: open-source 小浣熊阅读 for iOS

2026-10-24 12:51:22 +08:00 · 2026-10-14 11:37:36 +08:00
commit ffc9e9d91d
193 changed files with 41382 additions and 0 deletions
@@ -0,0 +1,98 @@
+import SwiftUI
+import UniformTypeIdentifiers
+
+struct DiagnosticLogView: View {
+    @State private var entries: [DiagnosticLogEntry] = []
+    @State private var query = ""
+    @State private var level = "all"
+    @State private var confirmsClear = false
+    @State private var exportsLog = false
+    @State private var exportText = ""
+    @State private var errorMessage: String?
+
+    private var filtered: [DiagnosticLogEntry] {
+        entries.filter {
+            (level == "all" || $0.level.rawValue == level)
+                && (query.isEmpty || "\($0.category) \($0.message)".localizedCaseInsensitiveContains(query))
+        }
+    }
+
+    var body: some View {
+        List {
+            Section {
+                Picker("级别", selection: $level) {
+                    Text("全部").tag("all")
+                    Text("信息").tag("info")
+                    Text("警告").tag("warning")
+                    Text("错误").tag("error")
+                }.pickerStyle(.segmented)
+                Text("\(entries.count) 条日志 · 下拉刷新")
+                    .font(.footnote).foregroundStyle(.secondary)
+            } footer: {
+                Text("在“其他设置”开启记录后，会保存网络请求、JS 输出和运行错误。崩溃诊断由 iOS 延迟提供，可搜索“系统诊断”查看。")
+            }
+            if filtered.isEmpty {
+                ReadingUnavailableView(query.isEmpty ? "暂无日志" : "没有匹配的日志", systemImage: "doc.text.magnifyingglass")
+            } else {
+                ForEach(filtered) { entry in
+                    VStack(alignment: .leading, spacing: 6) {
+                        HStack {
+                            Text(entry.category).font(.caption.weight(.semibold))
+                            Text(levelTitle(entry.level)).font(.caption)
+                                .foregroundStyle(entry.level == .error ? .red : .secondary)
+                            Spacer()
+                            Text(entry.date, format: .dateTime.month().day().hour().minute().second())
+                                .font(.caption2).foregroundStyle(.secondary)
+                        }
+                        Text(entry.message).font(.system(.footnote, design: .monospaced)).textSelection(.enabled)
+                    }.padding(.vertical, 3)
+                }
+            }
+        }
+        .navigationTitle("日志与诊断")
+        .navigationBarTitleDisplayMode(.inline)
+        .searchable(text: $query, prompt: "搜索内容或分类")
+        .task { reload() }
+        .refreshable { reload() }
+        .toolbar {
+            ToolbarItem(placement: .topBarTrailing) {
+                Menu("日志操作", systemImage: "ellipsis") {
+                    Button("刷新", systemImage: "arrow.clockwise") { reload() }
+                    Button("导出全部日志", systemImage: "square.and.arrow.up") {
+                        exportText = DiagnosticLog.shared.export()
+                        exportsLog = true
+                    }.disabled(entries.isEmpty)
+                    Button("清空日志", systemImage: "trash", role: .destructive) { confirmsClear = true }
+                        .disabled(entries.isEmpty)
+                }
+            }
+        }
+        .confirmationDialog("清空全部日志？", isPresented: $confirmsClear, titleVisibility: .visible) {
+            Button("清空日志", role: .destructive) {
+                do { try DiagnosticLog.shared.clear(); reload() }
+                catch { errorMessage = error.localizedDescription }
+            }
+        }
+        .fileExporter(isPresented: $exportsLog, document: DiagnosticLogDocument(text: exportText), contentType: .plainText, defaultFilename: "阅读诊断日志") { result in
+            if case .failure(let error) = result { errorMessage = error.localizedDescription }
+        }
+        .alert("日志操作失败", isPresented: Binding(get: { errorMessage != nil }, set: { if !$0 { errorMessage = nil } })) {
+            Button("好") { errorMessage = nil }
+        } message: { Text(errorMessage ?? "") }
+    }
+
+    private func reload() { entries = DiagnosticLog.shared.snapshot() }
+    private func levelTitle(_ level: DiagnosticLogEntry.Level) -> String {
+        switch level { case .info: "信息"; case .warning: "警告"; case .error: "错误" }
+    }
+}
+
+private struct DiagnosticLogDocument: FileDocument {
+    static var readableContentTypes: [UTType] { [.plainText] }
+    var text: String
+    init(text: String) { self.text = text }
+    init(configuration: ReadConfiguration) throws {
+        text = String(decoding: configuration.file.regularFileContents ?? Data(), as: UTF8.self)
+    }
+    func fileWrapper(configuration: WriteConfiguration) throws -> FileWrapper { .init(regularFileWithContents: Data(text.utf8)) }
+}