Adds UdiParserTests

src/Umbraco.Tests/Templates/MediaParserTests.cs

@@ -13,8 +13,9 @@ using System;
 using System.Linq;
 using Umbraco.Core.Models;
 
-namespace Umbraco.Tests.Web
+namespace Umbraco.Tests.Templates
 {
+
     [TestFixture]
     public class MediaParserTests
     {
@@ -46,7 +47,7 @@ namespace Umbraco.Tests.Web
         public void Ensure_Image_Sources()
         {
             //setup a mock url provider which we'll use for testing
-            
+
             var mediaType = new PublishedContentType(777, "image", PublishedItemType.Media, Enumerable.Empty<string>(), Enumerable.Empty<PublishedPropertyType>(), ContentVariation.Nothing);
             var media = new Mock<IPublishedContent>();
             media.Setup(x => x.ContentType).Returns(mediaType);
@@ -91,7 +92,7 @@ namespace Umbraco.Tests.Web
 
             }
 
-            
+
         }
     }
 }

src/Umbraco.Tests/Templates/UdiParserTests.cs

@@ -0,0 +1,28 @@
+using NUnit.Framework;
+using Umbraco.Web.Templates;
+using System.Linq;
+using Umbraco.Core;
+
+namespace Umbraco.Tests.Templates
+{
+    [TestFixture]
+    public class UdiParserTests
+    {
+        [Test]
+        public void Returns_Udi_From_Data_Udi_Html_Attributes()
+        {
+            var input = @"<p>
+    <div>
+        <img src='/media/12312.jpg' data-udi='umb://media/D4B18427A1544721B09AC7692F35C264' />
+    </div>
+</p><p><img src='/media/234234.jpg' data-udi=""umb://media-type/B726D735E4C446D58F703F3FBCFC97A5"" /></p>";
+
+            var parser = new UdiParser();
+            var result = parser.ParseUdisFromDataAttributes(input).ToList();
+            Assert.AreEqual(2, result.Count);
+            Assert.AreEqual(Udi.Parse("umb://media/D4B18427A1544721B09AC7692F35C264"), result[0]);
+            Assert.AreEqual(Udi.Parse("umb://media-type/B726D735E4C446D58F703F3FBCFC97A5"), result[1]);
+        }
+        
+    }
+}

src/Umbraco.Tests/Umbraco.Tests.csproj

@@ -159,6 +159,7 @@
     <Compile Include="Services\MemberGroupServiceTests.cs" />
     <Compile Include="Services\MediaTypeServiceTests.cs" />
     <Compile Include="Services\PropertyValidationServiceTests.cs" />
+    <Compile Include="Templates\UdiParserTests.cs" />
     <Compile Include="TestHelpers\RandomIdRamDirectory.cs" />
     <Compile Include="Testing\Objects\TestDataSource.cs" />
     <Compile Include="Published\PublishedSnapshotTestObjects.cs" />
@@ -255,7 +256,7 @@
     <Compile Include="Web\HealthChecks\HealthCheckResultsTests.cs" />
     <Compile Include="Web\HttpCookieExtensionsTests.cs" />
     <Compile Include="Web\InternalLinkParserTests.cs" />
-    <Compile Include="Web\MediaParserTests.cs" />
+    <Compile Include="Templates\MediaParserTests.cs" />
     <Compile Include="Web\Mvc\HtmlStringUtilitiesTests.cs" />
     <Compile Include="Web\ModelStateExtensionsTests.cs" />
     <Compile Include="Web\Mvc\RenderIndexActionSelectorAttributeTests.cs" />

src/Umbraco.Web/Templates/MediaParser.cs

@@ -13,21 +13,6 @@ using Umbraco.Web.Routing;
 
 namespace Umbraco.Web.Templates
 {
-    /// <summary>
-    /// Parses out UDIs in strings
-    /// </summary>
-    public sealed class UdiParser
-    {
-        /// <summary>
-        /// Parses out UDIs from an html string based on 'data-udi' html attributes
-        /// </summary>
-        /// <param name="text"></param>
-        /// <returns></returns>
-        public IEnumerable<Udi> ParseUdisFromDataAttributes(string text)
-        {
-
-        }
-    }
 
     public sealed class MediaParser
     {

src/Umbraco.Web/Templates/UdiParser.cs

@@ -0,0 +1,34 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Text.RegularExpressions;
+using Umbraco.Core;
+
+namespace Umbraco.Web.Templates
+{
+    /// <summary>
+    /// Parses out UDIs in strings
+    /// </summary>
+    public sealed class UdiParser
+    {
+        private static readonly Regex DataUdiAttributeRegex = new Regex(@"data-udi=\\?(?:""|')(?<udi>umb://[A-z0-9\-]+/[A-z0-9]+)\\?(?:""|')",
+            RegexOptions.Compiled | RegexOptions.CultureInvariant | RegexOptions.IgnoreCase);
+
+        /// <summary>
+        /// Parses out UDIs from an html string based on 'data-udi' html attributes
+        /// </summary>
+        /// <param name="text"></param>
+        /// <returns></returns>
+        public IEnumerable<Udi> ParseUdisFromDataAttributes(string text)
+        {
+            var matches = DataUdiAttributeRegex.Matches(text);
+            if (matches.Count == 0)
+                yield break;
+
+            foreach (Match match in matches)
+            {
+                if (match.Groups.Count == 2 && Udi.TryParse(match.Groups[1].Value, out var udi))
+                    yield return udi;
+            }
+        }
+    }
+}

src/Umbraco.Web/Umbraco.Web.csproj

@@ -249,6 +249,7 @@
     <Compile Include="Models\TemplateQuery\OperatorFactory.cs" />
     <Compile Include="Templates\InternalLinkParser.cs" />
     <Compile Include="Templates\MediaParser.cs" />
+    <Compile Include="Templates\UdiParser.cs" />
     <Compile Include="Templates\UrlParser.cs" />
     <Compile Include="UmbracoContextFactory.cs" />
     <Compile Include="UmbracoContextReference.cs" />