Epub阅读器0.0.1

2026-05-21 19:40:51 +08:00
commit daa36d8fe7
559 changed files with 106266 additions and 0 deletions
@@ -0,0 +1,110 @@
+import Foundation
+
+public protocol RDEPUBReaderPersistence: AnyObject {
+    func loadLocation(for bookIdentifier: String) -> RDEPUBLocation?
+    func saveLocation(_ location: RDEPUBLocation, for bookIdentifier: String)
+    func loadBookmarks(for bookIdentifier: String) -> [RDEPUBBookmark]
+    func saveBookmarks(_ bookmarks: [RDEPUBBookmark], for bookIdentifier: String)
+    func loadHighlights(for bookIdentifier: String) -> [RDEPUBHighlight]
+    func saveHighlights(_ highlights: [RDEPUBHighlight], for bookIdentifier: String)
+    func loadReaderSettings() -> RDEPUBReaderSettings?
+    func saveReaderSettings(_ settings: RDEPUBReaderSettings)
+}
+
+public extension RDEPUBReaderPersistence {
+    func loadBookmarks(for bookIdentifier: String) -> [RDEPUBBookmark] {
+        _ = bookIdentifier
+        return []
+    }
+
+    func saveBookmarks(_ bookmarks: [RDEPUBBookmark], for bookIdentifier: String) {
+        _ = bookmarks
+        _ = bookIdentifier
+    }
+
+    func loadReaderSettings() -> RDEPUBReaderSettings? {
+        nil
+    }
+
+    func saveReaderSettings(_ settings: RDEPUBReaderSettings) {
+        _ = settings
+    }
+}
+
+public final class RDEPUBUserDefaultsPersistence: RDEPUBReaderPersistence {
+    private let defaults: UserDefaults
+    private let locationPrefix: String
+    private let bookmarksPrefix: String
+    private let highlightsPrefix: String
+    private let settingsKey: String
+
+    public init(
+        defaults: UserDefaults = .standard,
+        locationPrefix: String = "ssreader.epub.location.",
+        bookmarksPrefix: String = "ssreader.epub.bookmarks.",
+        highlightsPrefix: String = "ssreader.epub.highlights.",
+        settingsKey: String = "ssreader.epub.settings"
+    ) {
+        self.defaults = defaults
+        self.locationPrefix = locationPrefix
+        self.bookmarksPrefix = bookmarksPrefix
+        self.highlightsPrefix = highlightsPrefix
+        self.settingsKey = settingsKey
+    }
+
+    public func loadLocation(for bookIdentifier: String) -> RDEPUBLocation? {
+        guard let data = defaults.data(forKey: locationPrefix + bookIdentifier) else {
+            return nil
+        }
+        return try? JSONDecoder().decode(RDEPUBLocation.self, from: data)
+    }
+
+    public func saveLocation(_ location: RDEPUBLocation, for bookIdentifier: String) {
+        guard let data = try? JSONEncoder().encode(location) else {
+            return
+        }
+        defaults.set(data, forKey: locationPrefix + bookIdentifier)
+    }
+
+    public func loadBookmarks(for bookIdentifier: String) -> [RDEPUBBookmark] {
+        guard let data = defaults.data(forKey: bookmarksPrefix + bookIdentifier) else {
+            return []
+        }
+        return (try? JSONDecoder().decode([RDEPUBBookmark].self, from: data)) ?? []
+    }
+
+    public func saveBookmarks(_ bookmarks: [RDEPUBBookmark], for bookIdentifier: String) {
+        guard let data = try? JSONEncoder().encode(bookmarks) else {
+            return
+        }
+        defaults.set(data, forKey: bookmarksPrefix + bookIdentifier)
+    }
+
+    public func loadHighlights(for bookIdentifier: String) -> [RDEPUBHighlight] {
+        guard let data = defaults.data(forKey: highlightsPrefix + bookIdentifier) else {
+            return []
+        }
+        return (try? JSONDecoder().decode([RDEPUBHighlight].self, from: data)) ?? []
+    }
+
+    public func saveHighlights(_ highlights: [RDEPUBHighlight], for bookIdentifier: String) {
+        guard let data = try? JSONEncoder().encode(highlights) else {
+            return
+        }
+        defaults.set(data, forKey: highlightsPrefix + bookIdentifier)
+    }
+
+    public func loadReaderSettings() -> RDEPUBReaderSettings? {
+        guard let data = defaults.data(forKey: settingsKey) else {
+            return nil
+        }
+        return try? JSONDecoder().decode(RDEPUBReaderSettings.self, from: data)
+    }
+
+    public func saveReaderSettings(_ settings: RDEPUBReaderSettings) {
+        guard let data = try? JSONEncoder().encode(settings) else {
+            return
+        }
+        defaults.set(data, forKey: settingsKey)
+    }
+}