Написана система взаимодействия со строками

Signed-off-by: Lev Rusanov <30170278+JDM170@users.noreply.github.com>

RegexHandler.cs

@@ -0,0 +1,94 @@
+using System;
+using System.Collections.Generic;
+using System.Text.RegularExpressions;
+
+namespace SaveWizard_rewritten
+{
+    static class RegexHandler
+    {
+        private static List<string> lines;
+
+        public static void FillLines(List<string> _lines)
+        {
+            lines = _lines;
+        }
+
+        public static string GetLine(int index)
+        {
+            return lines[index];
+        }
+
+        public static List<string> GetAllLines()
+        {
+            return lines;
+        }
+
+        public static int SearchLine(string term, int start = 0, string cancel = "this_string_must_not_exist")
+        {
+            if (lines[start].Contains(term))
+                return start;
+            start += 1;
+            while (start <= (lines.Count-1)) {
+                if (lines[start].Contains(term))
+                    return start;
+                if (lines[start].Contains(cancel))
+                    return 0;
+                start += 1;
+            }
+            return 0;
+        }
+
+        public static int SearchLineInUnit(string term, string unit)
+        {
+            return SearchLine(term, start: SearchLine(" : " + unit + " {"), cancel: "}");
+        }
+
+        public static List<int> SearchAllLines(string term)
+        {
+            List<int> matches = new List<int>();
+            int line = 0;
+            while (SearchLine(term, start: line + 1) != 0)
+            {
+                line = SearchLine(term, start: line + 1);
+                matches.Add(line);
+            }
+            if (matches.Count == 0)
+                return null;
+            return matches;
+        }
+
+        public static string GetValue(int line)
+        {
+            return Regex.Match(": (.+)$", lines[line]).Value;
+        }
+
+        public static void SetValue(int line, string value)
+        {
+            string name = Regex.Match("(.+):", lines[line]).Value;
+            lines[line] = $"{name}: {value}";
+        }
+
+        public static int GetArrayLength(int line)
+        {
+            return Convert.ToInt32(Regex.Match(": ([0-9]+)$", lines[line]).Value);
+        }
+
+        public static List<string> GetArrayItems(int line)
+        {
+            List<string> items = new List<string>();
+            for (int i = 0; i < GetArrayLength(line); i++)
+                items.Add(Regex.Match(": (.+)$", lines[line + i + 1]).Value);
+            if (items.Count == 0)
+                return null;
+            return items;
+        }
+
+        public static void AddArrayValue(int line, string value)
+        {
+            string name = Regex.Match("(.+):", lines[line]).Value;
+            int length = GetArrayLength(line);
+            lines[line] = $"{name}: {length + 1}";
+            lines.Insert(line + length + 1, $"{name}[{length}]: {value}");
+        }
+    }
+}