Add unzip path to title and author name getters (#303)

Source/EPUBCore/FREpubParser.swift

@@ -43,11 +43,13 @@ class FREpubParser: NSObject, SSZipArchiveDelegate {
 
     /// Parse the book title from an epub file.
     ///
-    /// - Parameter epubPath: Epub path on the disk
+    /// - Parameters:
+    ///   - epubPath: Epub path on the disk.
+    ///   - unzipPath: Path to unzip the compressed pub.
     /// - Returns: The book title
     /// - Throws: `FolioReaderError`
-    func parseTitle(_ epubPath: String) throws -> String {
-        guard let book = try? readEpub(epubPath: epubPath, removeEpub: false), let title = book.title else {
+    func parseTitle(_ epubPath: String, unzipPath: String? = nil) throws -> String {
+        guard let book = try? readEpub(epubPath: epubPath, removeEpub: false, unzipPath: unzipPath), let title = book.title else {
              throw FolioReaderError.titleNotAvailable
         }
         return title
@@ -56,11 +58,13 @@ class FREpubParser: NSObject, SSZipArchiveDelegate {
 
     /// Parse the book Author name from an epub file.
     ///
-    /// - Parameter epubPath: Epub path on the disk
-    /// - Returns: Author name
+    /// - Parameters:
+    ///   - epubPath: Epub path on the disk.
+    ///   - unzipPath: Path to unzip the compressed pub.
+    /// - Returns: The author name
     /// - Throws: `FolioReaderError`
-    func parseAuthorName(_ epubPath: String) throws -> String {
-        guard let book = try? readEpub(epubPath: epubPath, removeEpub: false), let authorName = book.authorName else {
+    func parseAuthorName(_ epubPath: String, unzipPath: String? = nil) throws -> String {
+        guard let book = try? readEpub(epubPath: epubPath, removeEpub: false, unzipPath: unzipPath), let authorName = book.authorName else {
             throw FolioReaderError.authorNameNotAvailable
         }
         return authorName

Source/FolioReaderKit.swift

@@ -308,7 +308,7 @@ extension FolioReader {
     }
 }
 
-// MARK: - Image Cover
+// MARK: - Metadata
 
 extension FolioReader {
 
@@ -322,12 +322,12 @@ extension FolioReader {
         return try FREpubParser().parseCoverImage(epubPath, unzipPath: unzipPath)
     }
 
-    open class func getTitle(_ epubPath: String) throws -> String? {
-        return try FREpubParser().parseTitle(epubPath)
+    open class func getTitle(_ epubPath: String, unzipPath: String? = nil) throws -> String? {
+        return try FREpubParser().parseTitle(epubPath, unzipPath: unzipPath)
     }
 
-    open class func getAuthorName(_ epubPath: String) throws-> String? {
-        return try FREpubParser().parseAuthorName(epubPath)
+    open class func getAuthorName(_ epubPath: String, unzipPath: String? = nil) throws-> String? {
+        return try FREpubParser().parseAuthorName(epubPath, unzipPath: unzipPath)
     }
 }