From f2807a1ec5afa664e5bf04d5cc57bcd4d49d24d2 Mon Sep 17 00:00:00 2001
From: Timofey Solomko <tsolomko@gmail.com>
Date: Sun, 8 Oct 2017 19:46:39 +0300
Subject: [PATCH] Start rework of Container API

Add associated types, add info protocol, remove entryAttributes, add entry type property and enum. Docs comments were also removed so I won't forget update documentation before release.
---
 Sources/Common/Protocols.swift | 42 +++++++++++++++-------------------
 1 file changed, 18 insertions(+), 24 deletions(-)

diff --git a/Sources/Common/Protocols.swift b/Sources/Common/Protocols.swift
index 7561e115..4488b587 100644
--- a/Sources/Common/Protocols.swift
+++ b/Sources/Common/Protocols.swift
@@ -24,47 +24,41 @@ public protocol DecompressionAlgorithm {
 /// A type that provides an implementation of a particular compression algorithm.
 public protocol CompressionAlgorithm {
 
-    /// Cmpress data with particular algorithm.
+    /// Compress data with particular algorithm.
     static func compress(data: Data) throws -> Data
 
 }
 
-/// A type that represents a container of files, directories and/or other data.
 public protocol Container {
 
-    /// Retrieve all the entries from the container.
-    static func open(container: Data) throws -> [ContainerEntry]
+    associatedtype Entry: ContainerEntry
+
+    static func open(container: Data) throws -> [Entry]
+
+    static func info(container: Data) throws -> [Entry.Info]
 
 }
 
-/// A type that represents an entry from a container (file or directory) with attributes.
 public protocol ContainerEntry {
 
-    /// Retrieve name of the entry from the container.
-    var name: String { get }
+    associatedtype Info: ContainerEntryInfo
 
-    /// Retrieve size of the entry's data from the container.
-    var size: Int { get }
+    var info: Info { get }
 
-    /// True, if entry is a directory.
-    var isDirectory: Bool { get }
+    var data: Data? { get }
 
-    /// True, if entry is a symbolic link.
-    var isLink: Bool { get }
+}
 
-    /// Path to a linked file for symbolic link entry.
-    var linkPath: String? { get }
+public protocol ContainerEntryInfo {
 
-    /**
-     Provides a dictionary with various attributes of the entry.
-     `FileAttributeKey` values are used as dictionary keys.
+    var name: String { get }
 
-     - Note:
-     Will be renamed to `attributes` in 4.0.
-     */
-    var entryAttributes: [FileAttributeKey: Any] { get }
+    var size: Int { get }
 
-    /// Retrieve entry's data from the container.
-    func data() throws -> Data
+    var type: ContainerEntryType { get }
+
+}
+
+public enum ContainerEntryType {
 
 }