From 8a264b141b22f16a8724853edbcd9786d2468e13 Mon Sep 17 00:00:00 2001
From: Christoph Hagen <github@christophhagen.de>
Date: Thu, 18 Aug 2022 08:49:01 +0200
Subject: [PATCH] Syntax highlight swift code

---
 WebsiteGenerator.xcodeproj/project.pbxproj      | 17 +++++++++++++++++
 .../xcshareddata/swiftpm/Package.resolved       |  9 +++++++++
 .../Generators/MarkdownProcessor.swift          |  7 +++++--
 3 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/WebsiteGenerator.xcodeproj/project.pbxproj b/WebsiteGenerator.xcodeproj/project.pbxproj
index 2dd4701..2b6d879 100644
--- a/WebsiteGenerator.xcodeproj/project.pbxproj
+++ b/WebsiteGenerator.xcodeproj/project.pbxproj
@@ -54,6 +54,7 @@
 		E2F8FA2428ACD0A800632026 /* PageImageTemplate.swift in Sources */ = {isa = PBXBuildFile; fileRef = E2F8FA2328ACD0A800632026 /* PageImageTemplate.swift */; };
 		E2F8FA2628ACD64500632026 /* PageVideoTemplate.swift in Sources */ = {isa = PBXBuildFile; fileRef = E2F8FA2528ACD64500632026 /* PageVideoTemplate.swift */; };
 		E2F8FA2828ACD84400632026 /* VideoType.swift in Sources */ = {isa = PBXBuildFile; fileRef = E2F8FA2728ACD84400632026 /* VideoType.swift */; };
+		E2F8FA2B28AD0BD200632026 /* Splash in Frameworks */ = {isa = PBXBuildFile; productRef = E2F8FA2A28AD0BD200632026 /* Splash */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXCopyFilesBuildPhase section */
@@ -124,6 +125,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				E22E878C289E4A8900E51191 /* Ink in Frameworks */,
+				E2F8FA2B28AD0BD200632026 /* Splash in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -273,6 +275,7 @@
 			name = WebsiteGenerator;
 			packageProductDependencies = (
 				E22E878B289E4A8900E51191 /* Ink */,
+				E2F8FA2A28AD0BD200632026 /* Splash */,
 			);
 			productName = WebsiteGenerator;
 			productReference = E22E875F289D84C300E51191 /* WebsiteGenerator */;
@@ -304,6 +307,7 @@
 			mainGroup = E22E8756289D84C300E51191;
 			packageReferences = (
 				E22E878A289E4A8900E51191 /* XCRemoteSwiftPackageReference "ink" */,
+				E2F8FA2928AD0BD200632026 /* XCRemoteSwiftPackageReference "Splash" */,
 			);
 			productRefGroup = E22E8760289D84C300E51191 /* Products */;
 			projectDirPath = "";
@@ -538,6 +542,14 @@
 				minimumVersion = 0.5.1;
 			};
 		};
+		E2F8FA2928AD0BD200632026 /* XCRemoteSwiftPackageReference "Splash" */ = {
+			isa = XCRemoteSwiftPackageReference;
+			repositoryURL = "https://github.com/JohnSundell/Splash";
+			requirement = {
+				kind = upToNextMajorVersion;
+				minimumVersion = 0.16.0;
+			};
+		};
 /* End XCRemoteSwiftPackageReference section */
 
 /* Begin XCSwiftPackageProductDependency section */
@@ -546,6 +558,11 @@
 			package = E22E878A289E4A8900E51191 /* XCRemoteSwiftPackageReference "ink" */;
 			productName = Ink;
 		};
+		E2F8FA2A28AD0BD200632026 /* Splash */ = {
+			isa = XCSwiftPackageProductDependency;
+			package = E2F8FA2928AD0BD200632026 /* XCRemoteSwiftPackageReference "Splash" */;
+			productName = Splash;
+		};
 /* End XCSwiftPackageProductDependency section */
 	};
 	rootObject = E22E8757289D84C300E51191 /* Project object */;
diff --git a/WebsiteGenerator.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved b/WebsiteGenerator.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
index e2eff70..2f205f6 100644
--- a/WebsiteGenerator.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
+++ b/WebsiteGenerator.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
@@ -8,6 +8,15 @@
         "revision" : "77c3d8953374a9cf5418ef0bd7108524999de85a",
         "version" : "0.5.1"
       }
+    },
+    {
+      "identity" : "splash",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/JohnSundell/Splash",
+      "state" : {
+        "revision" : "7f4df436eb78fe64fe2c32c58006e9949fa28ad8",
+        "version" : "0.16.0"
+      }
     }
   ],
   "version" : 2
diff --git a/WebsiteGenerator/Generators/MarkdownProcessor.swift b/WebsiteGenerator/Generators/MarkdownProcessor.swift
index 77eb2cd..670ff66 100644
--- a/WebsiteGenerator/Generators/MarkdownProcessor.swift
+++ b/WebsiteGenerator/Generators/MarkdownProcessor.swift
@@ -1,5 +1,6 @@
 import Foundation
 import Ink
+import Splash
 
 struct PageContentGenerator {
 
@@ -7,6 +8,8 @@ struct PageContentGenerator {
 
     private let files: FileProcessor
 
+    private let swift = SyntaxHighlighter(format: HTMLOutputFormat())
+
     init(factory: TemplateFactory, files: FileProcessor) {
         self.factory = factory
         self.files = files
@@ -31,8 +34,8 @@ struct PageContentGenerator {
         }
         let codeModifier = Modifier(target: .codeBlocks) { html, markdown in
             if markdown.starts(with: "```swift") {
-                #warning("Syntax highlight swift code")
-                return html
+                let code = markdown.between("```swift", and: "```").trimmed
+                return "<pre><code>" + swift.highlight(code) + "</pre></code>"
             }
             hasCodeContent = true
             return html