first commit

2026-07-13 10:04:36 +08:00
commit 577aa128bd
870 changed files with 25849 additions and 0 deletions
--- a/DCIT.Core/Utilities/DisplayWidthUtility.cs
+++ b/DCIT.Core/Utilities/DisplayWidthUtility.cs
@@ -0,0 +1,103 @@
+using System;
+using System.Text;
+
+namespace DCIT.Core.Utilities
+{
+    public static class DisplayWidthUtility
+    {
+        public static int Measure(string value)
+        {
+            if (string.IsNullOrEmpty(value))
+            {
+                return 0;
+            }
+
+            var width = 0;
+            foreach (var character in value)
+            {
+                width += GetCharacterWidth(character);
+            }
+
+            return width;
+        }
+
+        public static string TruncateToWidth(string value, int maxWidth, out bool truncated)
+        {
+            if (string.IsNullOrEmpty(value) || maxWidth <= 0)
+            {
+                truncated = !string.IsNullOrEmpty(value);
+                return string.Empty;
+            }
+
+            var builder = new StringBuilder();
+            var width = 0;
+            truncated = false;
+
+            foreach (var character in value)
+            {
+                var charWidth = GetCharacterWidth(character);
+                if (width + charWidth > maxWidth)
+                {
+                    truncated = true;
+                    break;
+                }
+
+                builder.Append(character);
+                width += charWidth;
+            }
+
+            if (!truncated && builder.Length < value.Length)
+            {
+                truncated = true;
+            }
+
+            return builder.ToString();
+        }
+
+        public static string PadToWidth(string value, int targetWidth, out bool padded)
+        {
+            var builder = new StringBuilder(value ?? string.Empty);
+            var currentWidth = Measure(builder.ToString());
+            padded = currentWidth < targetWidth;
+
+            while (currentWidth + 2 <= targetWidth)
+            {
+                builder.Append('\u3000');
+                currentWidth += 2;
+            }
+
+            while (currentWidth < targetWidth)
+            {
+                builder.Append(' ');
+                currentWidth += 1;
+            }
+
+            return builder.ToString();
+        }
+
+        private static int GetCharacterWidth(char character)
+        {
+            if (character == '\u3000')
+            {
+                return 2;
+            }
+
+            if (character >= 0x1100 &&
+                (character <= 0x115F ||
+                 character == 0x2329 ||
+                 character == 0x232A ||
+                 (character >= 0x2E80 && character <= 0xA4CF && character != 0x303F) ||
+                 (character >= 0xAC00 && character <= 0xD7A3) ||
+                 (character >= 0xF900 && character <= 0xFAFF) ||
+                 (character >= 0xFE10 && character <= 0xFE19) ||
+                 (character >= 0xFE30 && character <= 0xFE6F) ||
+                 (character >= 0xFF00 && character <= 0xFF60) ||
+                 (character >= 0xFFE0 && character <= 0xFFE6)))
+            {
+                return 2;
+            }
+
+            return 1;
+        }
+    }
+}