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 +1,71 @@
+import Foundation
+
+public final class RDEPUBParser {
+    public internal(set) var metadata = RDEPUBMetadata()
+    public internal(set) var manifest: [String: RDEPUBManifestItem] = [:]
+    public internal(set) var spine: [RDEPUBSpineItem] = []
+    public internal(set) var tableOfContents: [EPUBTableOfContentsItem] = []
+    public internal(set) var extractionRootURL: URL?
+    public internal(set) var opfURL: URL?
+
+    public var opfDirectoryURL: URL? {
+        opfURL?.deletingLastPathComponent()
+    }
+
+    public init() {}
+
+    public func makePublication() -> RDEPUBPublication {
+        RDEPUBPublication(parser: self)
+    }
+
+    public func parse(epubURL: URL) throws {
+        reset()
+
+        let extractionURL = try extractArchiveIfNeeded(epubURL: epubURL)
+        extractionRootURL = extractionURL
+
+        let containerURL = extractionURL.appendingPathComponent("META-INF/container.xml")
+        guard FileManager.default.fileExists(atPath: containerURL.path) else {
+            throw RDEPUBParserError.missingContainerXML
+        }
+
+        let rootFilePath = try parseContainerRootFile(at: containerURL)
+        let packageURL = extractionURL.appendingPathComponent(rootFilePath)
+        guard FileManager.default.fileExists(atPath: packageURL.path) else {
+            throw RDEPUBParserError.invalidRootFilePath(rootFilePath)
+        }
+
+        try parseOPF(at: packageURL)
+    }
+
+    public func parseOPF(at opfURL: URL) throws {
+        resetPublicationState()
+
+        guard let parser = XMLParser(contentsOf: opfURL) else {
+            throw RDEPUBParserError.invalidXML(opfURL)
+        }
+
+        let delegate = OPFPackageParserDelegate()
+        parser.shouldProcessNamespaces = false
+        parser.delegate = delegate
+
+        guard parser.parse() else {
+            throw parser.parserError ?? RDEPUBParserError.invalidXML(opfURL)
+        }
+
+        let packageDocument = delegate.packageDocument()
+        self.opfURL = opfURL
+        self.metadata = packageDocument.metadata
+        self.manifest = Dictionary(uniqueKeysWithValues: packageDocument.manifest.map { ($0.id, $0) })
+        self.spine = try buildSpine(from: packageDocument, opfURL: opfURL)
+        self.tableOfContents = parseTOC(from: packageDocument, opfURL: opfURL)
+    }
+
+    public func parseTOC() -> [EPUBTableOfContentsItem] {
+        tableOfContents
+    }
+
+    public func parseNavDocument(_ navURL: URL, baseURL: URL? = nil) -> [EPUBTableOfContentsItem] {
+        parseNavDocumentItems(at: navURL, baseURL: baseURL ?? navURL.deletingLastPathComponent())
+    }
+}