1 files changed, 60 insertions, 0 deletions
diff --git a/UVtools.Core/Scripting/ScriptParser.cs b/UVtools.Core/Scripting/ScriptParser.cs
new file mode 100644
index 0000000..b7c4923
--- /dev/null
+++ b/UVtools.Core/Scripting/ScriptParser.cs
@@ -0,0 +1,60 @@
+/*
+ *                     GNU AFFERO GENERAL PUBLIC LICENSE
+ *                       Version 3, 19 November 2007
+ *  Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ *  Everyone is permitted to copy and distribute verbatim copies
+ *  of this license document, but changing it is not allowed.
+ */
+
+using System;
+using System.IO;
+using System.Text.RegularExpressions;
+
+namespace UVtools.Core.Scripting
+{
+    public static class ScriptParser
+    {
+        public static string ParseScriptFromFile(string path)
+        {
+            return ParseScriptFromText(File.ReadAllText(path));
+        }
+
+        /// <summary>
+        /// Parse the script and clean forbidden keywords
+        /// </summary>
+        /// <param name="text">Text to parse</param>
+        /// <returns>The parsed text</returns>
+        public static string ParseScriptFromText(string text)
+        {
+            if(!Regex.Match(text, @"(void\s*ScriptInit\s*\(\s*\))").Success)
+            {
+                throw new ArgumentException("The method \"void ScriptInit()\" was not found on script, please verify the script.");
+            }
+            if (!Regex.Match(text, @"(string\s*ScriptValidate\s*\(\s*\))").Success)
+            {
+                throw new ArgumentException("The method \"string ScriptValidate()\" was not found on script, please verify the script.");
+            }
+            if (!Regex.Match(text, @"(bool\s*ScriptExecute\s*\(\s*\))").Success)
+            {
+                throw new ArgumentException("The method \"bool ScriptExecute()\" was not found on script, please verify the script.");
+            }
+
+            var textLength = text.Length;
+            sbyte bracketsToRemove = 0;
+            text = Regex.Replace(text, @"(namespace .*\n*.*{)", string.Empty);
+            if (textLength != text.Length) bracketsToRemove++;
+            textLength = text.Length;
+            text = Regex.Replace(text, "(.*class .*\n*.*{)", string.Empty);
+            if (textLength != text.Length) bracketsToRemove++;
+
+            if (bracketsToRemove <= 0) return text;
+
+            for (textLength = text.Length - 1; textLength >= 0 && bracketsToRemove > 0; textLength--)
+            {
+                if (text[textLength] == '}') bracketsToRemove--;
+            }
+
+            return text.Substring(0, textLength);
+        }
+    }
+}