下载列表包括每节课简介

Author: ApolloZhu

tools/download.md

@@ -2,14 +2,16 @@
 
 # Videos
 
-1. [Introduction to iOS 11, Xcode 9 and Swift 4](https://itunesu-assets.itunes.apple.com/apple-assets-us-std-000001/CobaltPublic128/v4/c2/81/f1/c281f1aa-3abd-e87e-e16d-7eb0d4b1a5d8/311-6554896743492737986-01_9_25_17_1080p_CS193p_1080p_3mb_cc.m4v)
-2. [MVC](https://itunesu-assets.itunes.apple.com/apple-assets-us-std-000001/CobaltPublic118/v4/a3/0f/1e/a30f1e6c-66b6-35da-ca51-321d272f0444/309-2503760600607007728-02_9_27_17_CS193p_720p_3mb_cc.m4v)
-3. [Swift Programming Language](https://itunesu-assets.itunes.apple.com/apple-assets-us-std-000001/CobaltPublic128/v4/cc/18/4c/cc184cca-aaef-fd8e-e0f0-045e766707c9/319-2557083044702627203-03_10_02_17_prores_CS193p_1080p_3mb_cc.m4v)
-4. [More Swift](https://itunesu-assets.itunes.apple.com/apple-assets-us-std-000001/CobaltPublic128/v4/a1/6e/07/a16e07a8-9978-bd09-8f68-e7e76cbf8b32/336-3848977901446740876-04_10_04_17_CS193p_1080p_3mb_cc.m4v)
-5. [Drawing](https://itunesu-assets.itunes.apple.com/apple-assets-us-std-000001/CobaltPublic128/v4/9d/97/13/9d9713ce-dc0b-c244-8ba5-1e218babe9fa/317-8878116075149346380-05_10_09_17_prores_CS193p_1080p_3mb_cc.m4v)
-6. [Multitouch](https://itunesu-assets.itunes.apple.com/apple-assets-us-std-000001/CobaltPublic128/v4/40/b6/28/40b62847-db9f-bc45-10fd-8026ac4e66e4/321-6728107643679048758-06_10_11_17_CS193p_1080p_3mb_cc.m4v)
-7. [Multiple MVCs, Timer, and Animation](https://itunesu-assets.itunes.apple.com/apple-assets-us-std-000001/CobaltPublic118/v4/41/40/da/4140da9f-07b3-52b5-c8a3-8e466d2ed444/309-96054835436878188-07_10_16_17_CS193p_1080p_3mb_cc.m4v)
-8. [Animation](https://itunesu-assets.itunes.apple.com/apple-assets-us-std-000001/CobaltPublic128/v4/16/8f/57/168f574f-523a-251d-9c32-22ac7c267ca9/327-7793456677118526749-08_10_18_17_1080p_3mb_cc.m4v)
+1. <details><summary><a href="https://itunesu-assets.itunes.apple.com/apple-assets-us-std-000001/CobaltPublic128/v4/c2/81/f1/c281f1aa-3abd-e87e-e16d-7eb0d4b1a5d8/311-6554896743492737986-01_9_25_17_1080p_CS193p_1080p_3mb_cc.m4v">Introduction to iOS 11, Xcode 9 and Swift 4</a></summary>Paul Hegarty provides an overview of the lecture series and introduces the different components in iOS. He concludes with a demo of Concentration Game.</details>
+2. <details><summary><a href="https://itunesu-assets.itunes.apple.com/apple-assets-us-std-000001/CobaltPublic118/v4/a3/0f/1e/a30f1e6c-66b6-35da-ca51-321d272f0444/309-2503760600607007728-02_9_27_17_CS193p_720p_3mb_cc.m4v">MVC</a></summary>Paul Hegarty explains the Model-View-Controller (MVC) concept. He then continues the Concentration demo: demonstrating the application of MVC to the Concentration Game. </details>
+3. <details><summary><a href="https://itunesu-assets.itunes.apple.com/apple-assets-us-std-000001/CobaltPublic128/v4/cc/18/4c/cc184cca-aaef-fd8e-e0f0-045e766707c9/319-2557083044702627203-03_10_02_17_prores_CS193p_1080p_3mb_cc.m4v">Swift Programming Language</a></summary>Paul Hegarty begins with a demonstration of making Concentration's button layout dynamic. He then reviews the first two lectures and continues diving into Swift.</details>
+4. <details><summary><a href="https://itunesu-assets.itunes.apple.com/apple-assets-us-std-000001/CobaltPublic128/v4/a1/6e/07/a16e07a8-9978-bd09-8f68-e7e76cbf8b32/336-3848977901446740876-04_10_04_17_CS193p_1080p_3mb_cc.m4v">More Swift</a></summary>Paul Hegarty continues his coverage of Swift. </details>
+5. <details><summary><a href="https://itunesu-assets.itunes.apple.com/apple-assets-us-std-000001/CobaltPublic128/v4/9d/97/13/9d9713ce-dc0b-c244-8ba5-1e218babe9fa/317-8878116075149346380-05_10_09_17_prores_CS193p_1080p_3mb_cc.m4v">Drawing</a></summary>Paul Hegarty covers error handling, special types any and anyobject, and casting. He then introduces views.</details>
+6. <details><summary><a href="https://itunesu-assets.itunes.apple.com/apple-assets-us-std-000001/CobaltPublic128/v4/40/b6/28/40b62847-db9f-bc45-10fd-8026ac4e66e4/321-6728107643679048758-06_10_11_17_CS193p_1080p_3mb_cc.m4v">Multitouch</a></summary>Paul Hegarty continues his PlayingCard demonstration on views. He then introduces gestures and concludes with a demo on swiping, tapping and pinching.</details>
+7. <details><summary><a href="https://itunesu-assets.itunes.apple.com/apple-assets-us-std-000001/CobaltPublic118/v4/41/40/da/4140da9f-07b3-52b5-c8a3-8e466d2ed444/309-96054835436878188-07_10_16_17_CS193p_1080p_3mb_cc.m4v">Multiple MVCs, Timer, and Animation</a></summary>Paul Hegarty begins with an explanation of multiple MVCs and demonstrates Theme Chooser in Concentration. He then introduces timer and animation.
+</details>
+8. <details><summary><a href="https://itunesu-assets.itunes.apple.com/apple-assets-us-std-000001/CobaltPublic128/v4/16/8f/57/168f574f-523a-251d-9c32-22ac7c267ca9/327-7793456677118526749-08_10_18_17_1080p_3mb_cc.m4v">Animation</a></summary>Paul Hegarty continues his coverage of Animation.
+</details>
 
 # Slides
 

tools/main.swift

@@ -36,8 +36,9 @@ struct Resource: CustomStringConvertible {
     let title: String
     let type: ResourceType
     let url: String
+    let summary: String?
 
-    init(title: String, rawType: String, url: String) {
+    init(title: String, rawType: String, url: String, summary: String?) {
         self.url = url
 
         if rawType.contains("video") {
@@ -67,10 +68,13 @@ struct Resource: CustomStringConvertible {
         }
         self.index = Int(parts[0])!
         self.title = parts[1]
+
+        self.summary = summary == title ? nil : summary
     }
 
     var description: String {
-        return "\(index). [\(title)](\(url))"
+        guard let summary = summary else { return "\(index). [\(title)](\(url))" }
+        return "\(index). <details><summary><a href=\"\(url)\">\(title)</a></summary>\(summary)</details>"
     }
 }
 
@@ -98,35 +102,53 @@ class ParsingDelegate: NSObject, XMLParserDelegate {
     var isParsingTitle = false
     var type: String?
     var url: String?
+    var summary: String?
+    var isParsingSummary = false
 
     func parser(_ parser: XMLParser, didStartElement elementName: String, namespaceURI: String?, qualifiedName qName: String?, attributes attributeDict: [String : String] = [:]) {
-        if elementName == "link" {
+        switch elementName {
+        case "title":
+            isParsingTitle = true
+        case "summary":
+            isParsingSummary = true
+        case "link":
             type = attributeDict["type"]
             url = attributeDict["href"]
-        } else if elementName == "title" {
-            isParsingTitle = true
+        default:
+            break
         }
     }
 
     func parser(_ parser: XMLParser, foundCDATA CDATABlock: Data) {
-        if isParsingTitle {
-            if let title = String(data: CDATABlock, encoding: .utf8) {
-                self.title = title
+        if let cData = String(data: CDATABlock, encoding: .utf8) {
+            if isParsingTitle {
+                title = cData
+            } else if isParsingSummary {
+                summary = cData
             } else {
-                fatalError("Unable to parse title from \(CDATABlock)")
+                debugPrint("Ignored CDATA[ \(CDATABlock) ]")
             }
+        } else {
+            fatalError("Unable to parse CDATA[ \(CDATABlock) ]")
         }
     }
 
     func parser(_ parser: XMLParser, didEndElement elementName: String, namespaceURI: String?, qualifiedName qName: String?) {
-        if elementName == "title" {
+        switch elementName {
+        case "title":
             isParsingTitle = false
-        } else if elementName == "entry" {
-            resources.append(Resource(title: title!, rawType: type!, url: url!))
+        case "summary":
+            isParsingSummary = false
+        case "entry":
+            resources.append(Resource(title: title!, rawType: type!, url: url!, summary: summary))
             title = nil
             isParsingTitle = false
             type = nil
             url = nil
+            summary = nil
+            isParsingSummary = false
+        default:
+            break
         }
     }