diff --git a/BasicDemo/BasicDemo.csproj b/BasicDemo/BasicDemo.csproj
new file mode 100644
index 0000000..a7f0773
--- /dev/null
+++ b/BasicDemo/BasicDemo.csproj
@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net9.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\mROA.CodegenTools\mROA.CodegenTools.csproj" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <None Update="exampleTemplate.cstmpl">
+        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+      </None>
+    </ItemGroup>
+
+</Project>
diff --git a/BasicDemo/Program.cs b/BasicDemo/Program.cs
new file mode 100644
index 0000000..f23151f
--- /dev/null
+++ b/BasicDemo/Program.cs
@@ -0,0 +1,23 @@
+// See https://aka.ms/new-console-template for more information
+
+using mROA.CodegenTools;
+
+// var doc = new TemplateDocument();
+// doc.Parts = new List<ITemplateSection>
+// {
+//     new LiteralTemplateSection("teset text", doc),
+//     new DefineTemplateSection(" another text which is dinided, bun not placed ", "text define", doc),
+//     new LinkTemplateSection("text define", doc),
+//     new LinkTemplateSection("text define", doc),
+//     new LinkTemplateSection("text define", doc),
+//     new LiteralTemplateSection(" = = = ", doc),
+//     new InsertTemplatePart("insert", doc),
+//     new LinkTemplateSection("post", doc)
+// };
+//
+// doc.Insert("insert", "inserted text by insert template => ");
+// doc.Parts.Add(new DefineTemplateSection("post added", "post", doc));
+// Console.WriteLine(doc.Compile());
+
+var doc = TemplateReader.Parce(File.ReadAllText("exampleTemplate.cstmpl"));
+Console.WriteLine(doc.Parts.Count);
\ No newline at end of file
diff --git a/BasicDemo/exampleTemplate.cstmpl b/BasicDemo/exampleTemplate.cstmpl
new file mode 100644
index 0000000..5e47243
--- /dev/null
+++ b/BasicDemo/exampleTemplate.cstmpl
@@ -0,0 +1,19 @@
+public class A
+{
+    <!L linkTagA>
+    <!L linkTag>
+    <!L linkTag>
+    Some literal for test
+    <!D linkTagA>test text with definition in template<!D>
+    
+    <!I ctorInserting>
+    
+    <!I methodInserting R>
+    
+    <!T MethodTemplate>
+        public void <!L methodName>()
+        {
+            Console.WriteLine("<!L printText>");
+        }
+    <!T>
+}
\ No newline at end of file
diff --git a/mROA.CodegenTools/DefineTemplateSection.cs b/mROA.CodegenTools/DefineTemplateSection.cs
index df97337..f80b799 100644
--- a/mROA.CodegenTools/DefineTemplateSection.cs
+++ b/mROA.CodegenTools/DefineTemplateSection.cs
@@ -2,7 +2,7 @@ using System;
 
 namespace mROA.CodegenTools
 {
-    public class DefineTemplateSection : ITemplateSection, ITagged
+    public class DefineTemplateSection : ITagged
     {
         public TemplateDocument Context { get; set; }
         public string StoredText { get; }
@@ -18,14 +18,10 @@ namespace mROA.CodegenTools
         public string Tag => _tag;
         public int TargetLength => StoredText.Length;
 
-        public string Bake()
-        {
-            return String.Empty;
-        }
 
         public override string ToString()
         {
-            return StoredText;
+            return $"{nameof(_tag)}: {_tag}, {nameof(StoredText)}: {StoredText}";
         }
     }
 }
\ No newline at end of file
diff --git a/mROA.CodegenTools/ITemplateSection.cs b/mROA.CodegenTools/ITemplateSection.cs
index 5a27871..6aaa7dd 100644
--- a/mROA.CodegenTools/ITemplateSection.cs
+++ b/mROA.CodegenTools/ITemplateSection.cs
@@ -4,9 +4,14 @@ namespace mROA.CodegenTools
     {
         TemplateDocument Context { get; set; }
         int TargetLength { get; }
-        string Bake();
     }
 
+    public interface IBaking
+    {
+        string Bake();
+    }
+    
+    
     public interface ITagged : ITemplateSection
     {
         string Tag { get; }
diff --git a/mROA.CodegenTools/InnerTemplateSection.cs b/mROA.CodegenTools/InnerTemplateSection.cs
new file mode 100644
index 0000000..b7db33b
--- /dev/null
+++ b/mROA.CodegenTools/InnerTemplateSection.cs
@@ -0,0 +1,20 @@
+namespace mROA.CodegenTools
+{
+    public class InnerTemplateSection : ITemplateSection, ITagged
+    {
+        private readonly string _tag;
+        public TemplateDocument Context { get; set; }
+        public int TargetLength => 0;
+
+        public string Tag => _tag;
+        
+        public TemplateDocument InnerTemplate { get; }
+
+        public InnerTemplateSection(string tag, TemplateDocument innerTemplate, TemplateDocument context)
+        {
+            _tag = tag;
+            Context = context;
+            InnerTemplate = innerTemplate;
+        }
+    }
+}
\ No newline at end of file
diff --git a/mROA.CodegenTools/InsertTemplatePart.cs b/mROA.CodegenTools/InsertTemplatePart.cs
index 50f6545..ecc58b2 100644
--- a/mROA.CodegenTools/InsertTemplatePart.cs
+++ b/mROA.CodegenTools/InsertTemplatePart.cs
@@ -1,9 +1,10 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 
 namespace mROA.CodegenTools
 {
-    public class InsertTemplatePart : ITagged
+    public class InsertTemplatePart : ITagged, IBaking
     {
         private object _insertedValue;
         private string _tag;
@@ -11,10 +12,10 @@ namespace mROA.CodegenTools
         public TemplateDocument Context { get; set; }
         public readonly List<string> Parameters;
 
-        public InsertTemplatePart(string tag, List<string> parameters, TemplateDocument context)
+        public InsertTemplatePart(string tag, TemplateDocument context, params string[] parameters)
         {
             _tag = tag;
-            Parameters = parameters;
+            Parameters = parameters.ToList();
             Context = context;
         }
 
@@ -61,7 +62,7 @@ namespace mROA.CodegenTools
                 case string s:
                     return s;
                 default:
-                    return ((ITemplateSection)_insertedValue).Bake();
+                    return ((ITemplateSection)_insertedValue).ToString();
             }
         }
     }
diff --git a/mROA.CodegenTools/LinkTemplateSection.cs b/mROA.CodegenTools/LinkTemplateSection.cs
index 3d82159..0e883ff 100644
--- a/mROA.CodegenTools/LinkTemplateSection.cs
+++ b/mROA.CodegenTools/LinkTemplateSection.cs
@@ -2,7 +2,7 @@ using System.Linq;
 
 namespace mROA.CodegenTools
 {
-    public class LinkTemplateSection : ITemplateSection
+    public class LinkTemplateSection : ITemplateSection, IBaking
     {
         private readonly string _linkedTag;
 
@@ -16,11 +16,23 @@ namespace mROA.CodegenTools
 
         public string LinkedTag => _linkedTag;
 
-        public int TargetLength { get; }
+        public int TargetLength
+        {
+            get
+            {
+                var attached = Context[_linkedTag]; 
+                return attached?.TargetLength ?? 0;
+            }
+        }
 
         public string Bake()
         {
-            return Context[_linkedTag]?.Bake();
+            return Context[_linkedTag]?.ToString();
+        }
+
+        public override string ToString()
+        {
+            return $"{nameof(LinkedTag)}: {_linkedTag}";
         }
     }
 }
\ No newline at end of file
diff --git a/mROA.CodegenTools/LiteralTemplateSection.cs b/mROA.CodegenTools/LiteralTemplateSection.cs
index ce23f28..e8e9704 100644
--- a/mROA.CodegenTools/LiteralTemplateSection.cs
+++ b/mROA.CodegenTools/LiteralTemplateSection.cs
@@ -1,6 +1,6 @@
 namespace mROA.CodegenTools
 {
-    public class LiteralTemplateSection : ITemplateSection
+    public class LiteralTemplateSection : ITemplateSection, IBaking
     {
         private string _internalText;
 
@@ -11,11 +11,11 @@ namespace mROA.CodegenTools
         }
 
         public TemplateDocument Context { get; set; }
-        public int TargetLength { get; }
+        public int TargetLength => _internalText.Length;
 
         public string Bake()
         {
-            return _internalText;
+            return ToString();
         }
 
         public override string ToString()
diff --git a/mROA.CodegenTools/ProgrammableTextSection.cs b/mROA.CodegenTools/ProgrammableTextSection.cs
index de4bb61..99909d0 100644
--- a/mROA.CodegenTools/ProgrammableTextSection.cs
+++ b/mROA.CodegenTools/ProgrammableTextSection.cs
@@ -2,7 +2,7 @@ using System;
 
 namespace mROA.CodegenTools
 {
-    public class ProgrammableTextSection : ITemplateSection
+    public class ProgrammableTextSection : ITemplateSection, IBaking
     {
         public TemplateDocument Context { get; set; }
         public int TargetLength => 0;
diff --git a/mROA.CodegenTools/Reading/DefineSectionReader.cs b/mROA.CodegenTools/Reading/DefineSectionReader.cs
new file mode 100644
index 0000000..5d4f7e0
--- /dev/null
+++ b/mROA.CodegenTools/Reading/DefineSectionReader.cs
@@ -0,0 +1,24 @@
+using System;
+
+namespace mROA.CodegenTools
+{
+    public class DefineSectionReader : LeadingTextSectionReader
+    {
+        public DefineSectionReader() : base("<!D")
+        {
+        }
+
+        public override ITemplateSection ExtractSection(ref int index, TemplateDocument document)
+        {
+            var tagEnd = TemplateText.IndexOf(">", index, StringComparison.Ordinal);
+            var sectionName = GetTagValue(index, tagEnd);
+            tagEnd += 1;
+            var endIndex = TemplateText.IndexOf("<!D>", tagEnd, StringComparison.Ordinal);
+            var storedText = TemplateText.Substring(tagEnd, endIndex - tagEnd);
+            index = endIndex + 4;
+            PassCaretToCloseSymbol();
+            PassCaretToCloseSymbol();
+            return new DefineTemplateSection(storedText, sectionName, document);
+        }
+    }
+}
\ No newline at end of file
diff --git a/mROA.CodegenTools/Reading/ISectionReader.cs b/mROA.CodegenTools/Reading/ISectionReader.cs
new file mode 100644
index 0000000..0ed658e
--- /dev/null
+++ b/mROA.CodegenTools/Reading/ISectionReader.cs
@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+
+namespace mROA.CodegenTools
+{
+    public interface ISectionReader
+    {
+        string TemplateText { get; set; }
+        int GetNextSectionIndex(int currentIndex);
+        ITemplateSection ExtractSection(ref int index, TemplateDocument document);
+    }
+}
\ No newline at end of file
diff --git a/mROA.CodegenTools/Reading/InnerTemplateSectionReader.cs b/mROA.CodegenTools/Reading/InnerTemplateSectionReader.cs
new file mode 100644
index 0000000..39cdefe
--- /dev/null
+++ b/mROA.CodegenTools/Reading/InnerTemplateSectionReader.cs
@@ -0,0 +1,38 @@
+using System;
+
+namespace mROA.CodegenTools
+{
+    public class InnerTemplateSectionReader : LeadingTextSectionReader
+    {
+        public InnerTemplateSectionReader() : base("<!T")
+        {
+        }
+
+
+        public override ITemplateSection ExtractSection(ref int index, TemplateDocument document)
+        {
+            var end = FindEnd(index + 4);
+            var from = index;
+            var to = PassCaretToCloseSymbol();
+            index = to;
+
+            var tagName = GetTagValue(from, to);
+            
+            var innerDocText = TemplateText.Substring(index, end - index);
+            var innerDoc = TemplateReader.Parce(innerDocText);
+            _currentCaretPosition = end + 4;
+            index = _currentCaretPosition;
+            return new InnerTemplateSection(tagName, innerDoc, document);
+        }
+
+        private int FindEnd(int start)
+        {
+            var endSymbol = TemplateText.IndexOf("<!T>", start, StringComparison.Ordinal);
+            var innerStartSymbol = TemplateText.IndexOf("<!T ", start, StringComparison.Ordinal);
+            if (endSymbol < innerStartSymbol || innerStartSymbol == -1)
+                return endSymbol;
+
+            return FindEnd(endSymbol + 4);
+        }
+    }
+}
\ No newline at end of file
diff --git a/mROA.CodegenTools/Reading/InsertSectionReader.cs b/mROA.CodegenTools/Reading/InsertSectionReader.cs
new file mode 100644
index 0000000..4fd01e6
--- /dev/null
+++ b/mROA.CodegenTools/Reading/InsertSectionReader.cs
@@ -0,0 +1,24 @@
+using System.Linq;
+
+namespace mROA.CodegenTools
+{
+    public class InsertSectionReader : LeadingTextSectionReader
+    {
+        public InsertSectionReader() : base("<!I")
+        {
+        }
+
+
+        public override ITemplateSection ExtractSection(ref int index, TemplateDocument document)
+        {
+            var from = index;
+            var to = PassCaretToCloseSymbol();
+            index = to;
+
+            var tagText = GetTagValue(from, to);
+            var parts = tagText.Split(' ');
+            
+            return new InsertTemplatePart(parts[0], document, parts.Skip(1).ToArray());
+        }
+    }
+}
\ No newline at end of file
diff --git a/mROA.CodegenTools/Reading/LeadingTextSectionReader.cs b/mROA.CodegenTools/Reading/LeadingTextSectionReader.cs
new file mode 100644
index 0000000..371bdce
--- /dev/null
+++ b/mROA.CodegenTools/Reading/LeadingTextSectionReader.cs
@@ -0,0 +1,38 @@
+using System;
+
+namespace mROA.CodegenTools
+{
+    public abstract class LeadingTextSectionReader : ISectionReader
+    {
+        protected int _currentCaretPosition;
+        private string _tagLeading;
+
+        protected LeadingTextSectionReader(string tagLeading)
+        {
+            _tagLeading = tagLeading + " ";
+        }
+
+        protected int PassCaretToCloseSymbol()
+        {
+            _currentCaretPosition = TemplateText.IndexOf(">", _currentCaretPosition, StringComparison.Ordinal) + 1;
+            return _currentCaretPosition;
+        }
+
+        public string TemplateText { get; set; }
+
+        public int GetNextSectionIndex(int currentIndex)
+        {
+            _currentCaretPosition = Math.Max(currentIndex, _currentCaretPosition);
+            var index = TemplateText.IndexOf(_tagLeading, _currentCaretPosition, StringComparison.Ordinal);
+            _currentCaretPosition = index;
+            return index;
+        }
+
+        public abstract ITemplateSection ExtractSection(ref int index, TemplateDocument document);
+
+        protected string GetTagValue(int from, int to)
+        {
+            return TemplateText.Substring(from + 4, to - from - 5);
+        }
+    }
+}
\ No newline at end of file
diff --git a/mROA.CodegenTools/Reading/LinkSectionReader.cs b/mROA.CodegenTools/Reading/LinkSectionReader.cs
new file mode 100644
index 0000000..fece788
--- /dev/null
+++ b/mROA.CodegenTools/Reading/LinkSectionReader.cs
@@ -0,0 +1,20 @@
+namespace mROA.CodegenTools
+{
+    public class LinkSectionReader : LeadingTextSectionReader
+    {
+        public LinkSectionReader() : base("<!L")
+        {
+        }
+
+
+        public override ITemplateSection ExtractSection(ref int index, TemplateDocument document)
+        {
+            var from = index;
+            var to = PassCaretToCloseSymbol();
+            index = to;
+
+            var tagText = GetTagValue(from, to);
+            return new LinkTemplateSection(tagText, document);
+        }
+    }
+}
\ No newline at end of file
diff --git a/mROA.CodegenTools/Reading/TemplateReader.cs b/mROA.CodegenTools/Reading/TemplateReader.cs
new file mode 100644
index 0000000..506932b
--- /dev/null
+++ b/mROA.CodegenTools/Reading/TemplateReader.cs
@@ -0,0 +1,70 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace mROA.CodegenTools
+{
+    public static class TemplateReader
+    {
+        private static readonly List<Type> ReaderTypes = new List<Type>
+        {
+            typeof(DefineSectionReader),
+            typeof(InsertSectionReader),
+            typeof(LinkSectionReader),
+            typeof(InnerTemplateSectionReader)
+        };
+
+        public static TemplateDocument Parce(string templateText)
+        {
+            
+            int currentIndex = 0;
+            var activeReaders = new List<ISectionReader>();
+
+            foreach (var readerType in ReaderTypes)
+            {
+                var reader = Activator.CreateInstance(readerType) as ISectionReader;
+                reader.TemplateText = templateText;
+                activeReaders.Add(reader);
+            }
+            
+            var doc = new TemplateDocument();
+
+            while (currentIndex < templateText.Length)
+            {
+                List<(ISectionReader reader, int index)> indices = activeReaders.Select(i => ((ISectionReader Readers, int index))(i, i.GetNextSectionIndex(currentIndex))).Where(i => i.index > -1).ToList();
+                int minIndex = templateText.Length;
+                ISectionReader minReader = null;
+                if (indices.Count != 0)
+                {
+                    minIndex = indices.Min(i => i.index);
+                    minReader = indices.FirstOrDefault(i => i.index == minIndex).reader;
+
+                    if (indices.Count != activeReaders.Count)
+                    {
+                        activeReaders = indices.Select(i => i.reader).ToList();
+                    }
+                }
+     
+                
+                if (currentIndex != minIndex)
+                {
+                    var literalText = templateText.Substring(currentIndex, minIndex - currentIndex);
+                    var literal =
+                        new LiteralTemplateSection(literalText, doc);
+                    doc.Parts.Add(literal);
+                    currentIndex = minIndex;
+                }
+
+                if (indices.Count != 0)
+                {
+                    var section = minReader.ExtractSection(ref currentIndex, doc);
+                    doc.Parts.Add(section);
+                }
+             
+
+            }
+
+            return doc;
+        }
+    }
+}
\ No newline at end of file
diff --git a/mROA.CodegenTools/TemplateDocument.cs b/mROA.CodegenTools/TemplateDocument.cs
index 19f2513..cb00d52 100644
--- a/mROA.CodegenTools/TemplateDocument.cs
+++ b/mROA.CodegenTools/TemplateDocument.cs
@@ -6,7 +6,7 @@ namespace mROA.CodegenTools
 {
     public class TemplateDocument
     {
-        public List<ITemplateSection> Parts { get; }
+        public List<ITemplateSection> Parts { get; set; } = new List<ITemplateSection>();
         public object AdditionalContext { get; set; }
         public ITagged this[string tag] => Parts.OfType<ITagged>().FirstOrDefault(i => i.Tag == tag);
         public void Insert(string tag, object value)
@@ -22,10 +22,9 @@ namespace mROA.CodegenTools
         {
             var approximatelyLength = Parts.Sum(i => i.TargetLength);
             var stringBuilder = new StringBuilder(approximatelyLength);
-
-            for (int i = 0; i < Parts.Count; i++)
+            
+            foreach (var part in Parts.OfType<IBaking>())
             {
-                var part = Parts[i];
                 var baked = part.Bake();
                 stringBuilder.Append(baked);
             }
diff --git a/mROA.sln b/mROA.sln
index 6ca35dc..aac4a31 100644
--- a/mROA.sln
+++ b/mROA.sln
@@ -33,6 +33,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Example.Events.Client", "Ex
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "mROA.CodegenTools", "mROA.CodegenTools\mROA.CodegenTools.csproj", "{2A2821B7-E5C5-443A-9801-9622493594A0}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Codegen", "Codegen", "{3DB22457-E65B-426F-B3DD-08C615132B3E}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BasicDemo", "BasicDemo\BasicDemo.csproj", "{87396E86-D7ED-4556-AB50-F3696FEF9072}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -87,6 +91,10 @@ Global
 		{2A2821B7-E5C5-443A-9801-9622493594A0}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{2A2821B7-E5C5-443A-9801-9622493594A0}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{2A2821B7-E5C5-443A-9801-9622493594A0}.Release|Any CPU.Build.0 = Release|Any CPU
+		{87396E86-D7ED-4556-AB50-F3696FEF9072}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{87396E86-D7ED-4556-AB50-F3696FEF9072}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{87396E86-D7ED-4556-AB50-F3696FEF9072}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{87396E86-D7ED-4556-AB50-F3696FEF9072}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -100,5 +108,7 @@ Global
 		{6342C7FC-12B4-4BC6-BA25-159B1400D952} = {032E1288-4D26-4FA5-ABB6-E7D738F319DE}
 		{B63F58B2-8D86-42F3-96A5-470CB449BFD3} = {032E1288-4D26-4FA5-ABB6-E7D738F319DE}
 		{98451C0E-E179-4F5F-9F1A-8B353EDE2EBC} = {032E1288-4D26-4FA5-ABB6-E7D738F319DE}
+		{3DB22457-E65B-426F-B3DD-08C615132B3E} = {EAE92F5A-664C-41AB-8811-5885524B5347}
+		{87396E86-D7ED-4556-AB50-F3696FEF9072} = {3DB22457-E65B-426F-B3DD-08C615132B3E}
 	EndGlobalSection
 EndGlobal