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 +1,50 @@
+import Foundation
+
+enum RDEPUBAsset: String {
+    case bridgeScript = "epub-bridge"
+    case fixedLayoutTemplate = "epub-fixed-layout"
+
+    var fileExtension: String {
+        switch self {
+        case .bridgeScript:
+            return "js"
+        case .fixedLayoutTemplate:
+            return "html"
+        }
+    }
+}
+
+enum RDEPUBAssetRepository {
+    static func string(for asset: RDEPUBAsset, replacements: [String: String] = [:]) -> String {
+        guard let url = resourceBundle.url(forResource: asset.rawValue, withExtension: asset.fileExtension),
+              var content = try? String(contentsOf: url, encoding: .utf8) else {
+            assertionFailure("Missing EPUB asset: \(asset.rawValue).\(asset.fileExtension)")
+            return ""
+        }
+
+        for (token, value) in replacements {
+            content = content.replacingOccurrences(of: "{{\(token)}}", with: value)
+        }
+        return content
+    }
+
+    private static var resourceBundle: Bundle {
+        if let bundle = resolvedBundle {
+            return bundle
+        }
+        return Bundle(for: RDEPUBAssetBundleToken.self)
+    }
+
+    private static var resolvedBundle: Bundle? = {
+        let hostBundles = [Bundle(for: RDEPUBAssetBundleToken.self), Bundle.main] + Bundle.allFrameworks + Bundle.allBundles
+        for hostBundle in hostBundles {
+            if let url = hostBundle.url(forResource: "RDReaderViewAssets", withExtension: "bundle"),
+               let bundle = Bundle(url: url) {
+                return bundle
+            }
+        }
+        return nil
+    }()
+}
+
+private final class RDEPUBAssetBundleToken {}