我滴个乖乖

2025-02-20 15:20:28 +08:00
parent 4b54cca70b
commit 485cfcd6f2
2343 changed files with 495732 additions and 1022 deletions
--- a/ZelWiki.Engine.Implementation/Utility/Differentiator.cs
+++ b/ZelWiki.Engine.Implementation/Utility/Differentiator.cs
@@ -0,0 +1,50 @@
+using System.Text;
+
+namespace ZelWiki.Engine.Implementation.Utility
+{
+    public static class Differentiator
+    {
+        /// <summary>
+        /// This leaves a lot to be desired.
+        /// </summary>
+        /// <param name="thisRev"></param>
+        /// <param name="prevRev"></param>
+        /// <returns></returns>
+        public static string GetComparisonSummary(string thisRev, string prevRev)
+        {
+            var summary = new StringBuilder();
+
+            var thisRevLines = thisRev.Split('\n');
+            var prevRevLines = prevRev.Split('\n');
+            int thisRevLineCount = thisRevLines.Length;
+            int prevRevLinesCount = prevRevLines.Length;
+
+            int linesAdded = prevRevLines.Except(thisRevLines).Count();
+            int linesDeleted = thisRevLines.Except(prevRevLines).Count();
+
+            if (thisRevLineCount != prevRevLinesCount)
+            {
+                summary.Append($"{Math.Abs(thisRevLineCount - prevRevLinesCount):N0} lines changed.");
+            }
+
+            if (linesAdded > 0)
+            {
+                if (summary.Length > 0) summary.Append(' ');
+                summary.Append($"{linesAdded:N0} lines added.");
+            }
+
+            if (linesDeleted > 0)
+            {
+                if (summary.Length > 0) summary.Append(' ');
+                summary.Append($"{linesDeleted:N0} lines deleted.");
+            }
+
+            if (summary.Length == 0)
+            {
+                summary.Append($"No changes detected.");
+            }
+
+            return summary.ToString();
+        }
+    }
+}