Parse the icon tag

Author: x0000ff

Sources/OPDS/OPDS1Parser.swift

@@ -93,6 +93,13 @@ public class OPDS1Parser: Loggable {
         }
         let feed = Feed(title: title)
 
+        if let iconValue = root.firstChild(tag: "icon")?.stringValue,
+           let absolute = URLHelper.getAbsolute(href: iconValue, base: feedURL),
+           let iconURL = URL(string: absolute)
+        {
+            feed.metadata.icon = iconURL
+        }
+
         if let tmpDate = root.firstChild(tag: "updated")?.stringValue,
            let date = tmpDate.dateFromISO8601
         {

Sources/Shared/OPDS/OpdsMetadata.swift

@@ -9,6 +9,7 @@ import Foundation
 /// OPDS metadata properties.
 public class OpdsMetadata {
     public var title: String
+    public var icon: URL?
     public var numberOfItem: Int?
     public var itemsPerPage: Int?
     public var currentPage: Int?

Tests/OPDSTests/Samples/wiki_1_1.opds

@@ -18,6 +18,7 @@
         type="application/atom+xml;profile=opds-catalog;kind=navigation"/>
 
   <title>Unpopular Publications</title>
+  <icon>/images/favicon.ico?t=1516986276</icon>
   <updated>2010-01-10T10:01:11Z</updated>
   <author>
     <name>Spec Writer</name>

Tests/OPDSTests/readium_opds1_1_test.swift

@@ -47,6 +47,7 @@ class readium_opds1_1_test: XCTestCase {
 
     func testMetadata() {
         XCTAssert(feed!.metadata.title == "Unpopular Publications")
+        XCTAssert(feed!.metadata.icon?.absoluteString == "http://test.com/images/favicon.ico?t=1516986276")
         // TODO: add more tests...
     }