feat: ROU成型参数替换功能 — 支持 .rou/.rou1/.rou2/.roux 文件从参数 txt 自动补充 S/F/R/Z/H

DrillTapeLineParser.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+
+namespace DrillTools
+{
+    /// <summary>
+    /// 钻带文本行结构，保留原始文本和行尾换行符。
+    /// </summary>
+    internal readonly record struct DrillTapeLine(string Text, string LineEnding);
+
+    /// <summary>
+    /// 钻带行解析器，将钻带文本按行拆分，保留原始换行符。
+    /// </summary>
+    internal static class DrillTapeLineParser
+    {
+        private static readonly char[] LineEndChars = { '\r', '\n' };
+
+        /// <summary>
+        /// 将文本内容按行拆分，保留每行的换行符。
+        /// </summary>
+        public static List<DrillTapeLine> SplitLines(string content)
+        {
+            var lines = new List<DrillTapeLine>();
+            int index = 0;
+
+            while (index < content.Length)
+            {
+                int lineEndIndex = content.IndexOfAny(LineEndChars, index);
+                if (lineEndIndex < 0)
+                {
+                    lines.Add(new DrillTapeLine(content[index..], string.Empty));
+                    return lines;
+                }
+
+                string text = content[index..lineEndIndex];
+                string lineEnding;
+                if (content[lineEndIndex] == '\r' && lineEndIndex + 1 < content.Length && content[lineEndIndex + 1] == '\n')
+                {
+                    lineEnding = "\r\n";
+                    index = lineEndIndex + 2;
+                }
+                else
+                {
+                    lineEnding = content[lineEndIndex].ToString();
+                    index = lineEndIndex + 1;
+                }
+
+                lines.Add(new DrillTapeLine(text, lineEnding));
+            }
+
+            if (content.Length == 0)
+                lines.Add(new DrillTapeLine(string.Empty, string.Empty));
+
+            return lines;
+        }
+    }
+}