Implement basic RTF parser

Author: manfromarce

README.md

@@ -60,13 +60,13 @@ Forked:
 - [markdig.docx](https://github.com/morincer/markdig.docx)
 
 Others:
-- [Html2OpenXml](https://github.com/onizet/html2openxml) for images header decoding and unit conversions.
-- [dwml_cs](https://github.com/m-x-d/dwml_cs) for Office Math (OMML) to LaTex conversion
-- [addFormula2docx](https://github.com/Sun-ZhenXing/addFormula2docx) for Office Math (OMML) to MathML conversion
-- [OpenMcdf](https://github.com/ironfede/openmcdf) for better understanding Microsoft Compound format.
+- [Html2OpenXml](https://github.com/onizet/html2openxml) for images header decoding and unit conversions.  
+- [dwml_cs](https://github.com/m-x-d/dwml_cs) for Office Math (OMML) to LaTex conversion  
+- [addFormula2docx](https://github.com/Sun-ZhenXing/addFormula2docx) for Office Math (OMML) to MathML conversion  
+- [OpenMcdf](https://github.com/ironfede/openmcdf) for better understanding Microsoft Compound format.  
+- [RtfPipe](https://github.com/erdomke/RtfPipe) and [FridaysForks.RtfPipe](https://github.com/cezarypiatek/FridaysForks.RtfPipe) for part of the RTF parsing logic.  
 
 Used in the sample app or for internal tests/comparisons (*not* dependencies when installing packages):  
-- [RtfPipe](https://github.com/erdomke/RtfPipe)  
 - [XlsxToHtmlConverter](https://github.com/Fei-Sheng-Wu/XlsxToHtmlConverter)  
 - [PeachPdf](https://github.com/jhaygood86/PeachPDF)  
 - [HTML-Renderer](https://github.com/ArthurHub/HTML-Renderer)

src/DocSharp.Docx/Helpers/SectionHelpers.cs

@@ -63,4 +63,11 @@ public static class SectionHelpers
 
         return sections;
     }
+
+    // Needed for DOCX to EPUB conversion. Rather than using sections, it detects paragraph heading styles. 
+    internal static List<(List<OpenXmlElement> content, string title)> GetChapters(this Body body)
+    {
+        // TODO
+        return [];
+    }
 }

src/DocSharp.Docx/RtfToDocx/RtfControlWord.cs

@@ -1,7 +1,14 @@
 namespace DocSharp.Rtf;
 
-internal class RtfControlWord(string name) : RtfToken
+internal class RtfControlWord : RtfToken
 {
-    public string Name { get; set; } = name;
+    public string Name { get; set; }
+    public int? Value { get; set; }
+    public bool HasValue { get; set; }
+    public bool DelimitedBySpace { get; set; }
+    public RtfControlWord(string name)
+    {
+        Name = name;
+    }
 }
 

src/DocSharp.Docx/RtfToDocx/RtfControlWordWithValue.cs

@@ -1,6 +1,12 @@
 namespace DocSharp.Rtf;
 
-internal class RtfDestination(string name) : RtfGroup(name)
+internal class RtfDestination : RtfGroup
 {
+	public string Name { get; }
+
+	public RtfDestination(string name)
+	{
+		Name = name ?? string.Empty;
+	}
 }
 

src/DocSharp.Docx/RtfToDocx/RtfDestination.cs

@@ -4,6 +4,5 @@ namespace DocSharp.Rtf;
 
 internal class RtfDocument
 {
-    internal IEnumerable<RtfToken> Tokens = [];
+    public RtfGroup Root { get; } = new RtfGroup();
 }
-

src/DocSharp.Docx/RtfToDocx/RtfDocument.cs

@@ -2,13 +2,9 @@
 
 namespace DocSharp.Rtf;
 
-internal class RtfGroup : RtfControlWord
+internal class RtfGroup : RtfToken
 {
-    internal IEnumerable<RtfToken> Tokens;
-
-    public RtfGroup(string name) : base(name)
-    {
-        Tokens = [];
-    }
+    public List<RtfToken> Tokens { get; } = new List<RtfToken>();
+    public RtfGroup() { }
 }