Add XML support.

Sources/KDBX/Database0.swift

@@ -0,0 +1,40 @@
+// Database0.swift
+// This file is part of KeePass.
+//
+// Copyright © 2019 ___ORGANIZATIONNAME___. All rights reserved.
+//
+// KeePass is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// KeePass is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with KeePass. If not, see <https://www.gnu.org/licenses/>.
+
+import Foundation
+import Binary
+import XML
+
+class Database0: Database {
+
+    let document: Document
+
+    required init(from input: Input) throws {
+        var options = XML.Options()
+        options.parserSettings.shouldTrimWhitespace = false
+        document = try XML.Document(xml: input.bytes.data, options: options)
+    }
+
+}
+
+extension Database0: Writable {
+
+    func write(to output: Output) throws {
+        try output.write(document.xml)
+    }
+}

Sources/KDBX/File.swift

@@ -36,6 +36,11 @@ public class File {
 
     public let database: Database & Writable
 
+    public required init(from input: Input) throws {
+        version = Version(major: 0, minor: 0)
+        database = try Database0(from: input)
+    }
+
     public required init(from input: Input, compositeKey: CompositeKey) throws {
         version = try input.read()
 
@@ -46,6 +51,12 @@ public class File {
         }
     }
 
+    public convenience init(xml file: URL) throws {
+        let bytes = try Bytes(contentsOf: file)
+        let stream = Input(bytes: bytes)
+        try self.init(from: stream)
+    }
+
     public convenience init(from file: URL, compositeKey: CompositeKey) throws {
 
         let bytes = try Bytes(contentsOf: file)