Merge pull request #257 from EvotecIT/ConvertDotXtoDocX

Add converter from DOTX to DOCX

OfficeIMO.Tests/Word.Converter.cs

@@ -0,0 +1,20 @@
+using OfficeIMO.Word;
+using Xunit;
+
+namespace OfficeIMO.Tests;
+
+public partial class Word {
+    [Fact]
+    public void Test_ConvertDotXtoDocX() {
+        string filePath = Path.Combine(_directoryDocuments, "ExampleTemplate.dotx");
+        string outFilePath = Path.Combine(_directoryWithFiles, "ExampleTemplate.docx");
+        WordHelpers.ConvertDotXtoDocX(filePath, outFilePath);
+
+        Assert.True(File.Exists(outFilePath));
+
+        using (WordDocument document = WordDocument.Load(filePath)) {
+            Assert.True(document.Paragraphs.Count == 57);
+            Assert.Contains(document.Paragraphs[56].Text, "Feel free to use and share the file according to the license above.");
+        }
+    }
+}

OfficeIMO.Word/Helpers.Cloners.cs

@@ -1,37 +1,91 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Text;
+namespace OfficeIMO.Word;
+/// <summary>
+/// Provides helper methods for stream and file operations.
+/// </summary>
+public static partial class Helpers {
+    /// <summary>
+    /// Reads all bytes from a file and writes them to a MemoryStream.
+    /// </summary>
+    /// <param name="path">The path of the file to read.</param>
+    /// <returns>A MemoryStream containing the file's bytes.</returns>
+    public static MemoryStream ReadAllBytesToMemoryStream(string path) {
+        byte[] buffer = File.ReadAllBytes(path);
+        var destStream = new MemoryStream(buffer.Length);
+        destStream.Write(buffer, 0, buffer.Length);
+        destStream.Seek(0, SeekOrigin.Begin);
+        return destStream;
+    }
 
-namespace OfficeIMO.Word {
-    public static partial class Helpers {
-        public static MemoryStream ReadAllBytesToMemoryStream(string path) {
-            byte[] buffer = File.ReadAllBytes(path);
-            var destStream = new MemoryStream(buffer.Length);
-            destStream.Write(buffer, 0, buffer.Length);
-            destStream.Seek(0, SeekOrigin.Begin);
-            return destStream;
-        }
+    /// <summary>
+    /// Copies the contents of a file stream to a MemoryStream.
+    /// </summary>
+    /// <param name="path">The path of the file to read.</param>
+    /// <returns>A MemoryStream containing the file's contents.</returns>
+    public static MemoryStream CopyFileStreamToMemoryStream(string path) {
+        FileStream sourceStream = File.OpenRead(path);
+        var destStream = new MemoryStream((int)sourceStream.Length);
+        sourceStream.CopyTo(destStream);
+        destStream.Seek(0, SeekOrigin.Begin);
+        return destStream;
+    }
+
+    /// <summary>
+    /// Copies the contents of one file stream to another file stream.
+    /// </summary>
+    /// <param name="sourcePath">The path of the source file.</param>
+    /// <param name="destPath">The path of the destination file.</param>
+    /// <returns>A FileStream for the destination file.</returns>
+    public static FileStream CopyFileStreamToFileStream(string sourcePath, string destPath) {
+        FileStream sourceStream = File.OpenRead(sourcePath);
+        FileStream destStream = File.Create(destPath);
+        sourceStream.CopyTo(destStream);
+        destStream.Seek(0, SeekOrigin.Begin);
+        return destStream;
+    }
 
-        public static MemoryStream CopyFileStreamToMemoryStream(string path) {
-            FileStream sourceStream = File.OpenRead(path);
+    /// <summary>
+    /// Copies a file and opens a file stream for the copied file.
+    /// </summary>
+    /// <param name="sourcePath">The path of the source file.</param>
+    /// <param name="destPath">The path of the destination file.</param>
+    /// <returns>A FileStream for the copied file.</returns>
+    public static FileStream CopyFileAndOpenFileStream(string sourcePath, string destPath) {
+        File.Copy(sourcePath, destPath, true);
+        return new FileStream(destPath, FileMode.Open, FileAccess.ReadWrite, FileShare.None);
+    }
+
+    /// <summary>
+    /// Reads the contents of a file into a MemoryStream.
+    /// </summary>
+    /// <param name="path">The path of the file to read.</param>
+    /// <returns>A MemoryStream containing the file's contents.</returns>
+    public static MemoryStream ReadFileToMemoryStream(string path) {
+        using (Stream sourceStream = File.OpenRead(path)) {
             var destStream = new MemoryStream((int)sourceStream.Length);
-            sourceStream.CopyTo(destStream);
+            CopyStream(sourceStream, destStream);
             destStream.Seek(0, SeekOrigin.Begin);
             return destStream;
         }
+    }
 
-        public static FileStream CopyFileStreamToFileStream(string sourcePath, string destPath) {
-            FileStream sourceStream = File.OpenRead(sourcePath);
-            FileStream destStream = File.Create(destPath);
-            sourceStream.CopyTo(destStream);
-            destStream.Seek(0, SeekOrigin.Begin);
-            return destStream;
-        }
+    /// <summary>
+    /// Copies the contents of one stream to another stream.
+    /// </summary>
+    /// <param name="source">The source stream.</param>
+    /// <param name="target">The target stream.</param>
+    public static void CopyStream(Stream source, Stream target) {
+        if (source != null) {
+            MemoryStream mstream = source as MemoryStream;
+            if (mstream != null) {
+                mstream.WriteTo(target);
+            } else {
+                byte[] buffer = new byte[2048];
+                int length = buffer.Length, size;
 
-        public static FileStream CopyFileAndOpenFileStream(string sourcePath, string destPath) {
-            File.Copy(sourcePath, destPath, true);
-            return new FileStream(destPath, FileMode.Open, FileAccess.ReadWrite, FileShare.None);
+                while ((size = source.Read(buffer, 0, length)) != 0) {
+                    target.Write(buffer, 0, size);
+                }
+            }
         }
     }
 }

OfficeIMO.Word/WordDocument.cs

@@ -683,15 +683,8 @@ public static WordDocument Load(string filePath, bool readOnly = false, bool aut
             word._fileStream.CopyTo(memoryStream);
             memoryStream.Seek(0, SeekOrigin.Begin);
 
-            // Save the memoryStream to a file for inspection
-            using (var fileStream = new FileStream("debug_output.docx", FileMode.Create, FileAccess.Write)) {
-                memoryStream.CopyTo(fileStream);
-                memoryStream.Seek(0, SeekOrigin.Begin);
-            }
-
             var wordDocument = WordprocessingDocument.Open(memoryStream, !readOnly, openSettings);
 
-
             InitialiseStyleDefinitions(wordDocument, readOnly);
 
             word.FilePath = filePath;

OfficeIMO.Word/WordHelpers.Converters.cs

@@ -0,0 +1,18 @@
+using DocumentFormat.OpenXml.Packaging;
+
+namespace OfficeIMO.Word {
+    public partial class WordHelpers {
+        /// <summary>
+        /// Given a document name, remove all of the headers and footers from the document.
+        /// </summary>
+        /// <param name="filename"></param>
+        public static void RemoveHeadersAndFooters(string filename) {
+            using (WordprocessingDocument doc = WordprocessingDocument.Open(filename, true)) {
+                WordHeader.RemoveHeaders(doc);
+                WordFooter.RemoveFooters(doc);
+                // save document
+                doc.MainDocumentPart.Document.Save();
+            }
+        }
+    }
+}

OfficeIMO.Word/WordHelpers.HeadersAndFooters.cs

@@ -1,21 +1,42 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
 using DocumentFormat.OpenXml.Packaging;
 
 namespace OfficeIMO.Word {
     public partial class WordHelpers {
         /// <summary>
-        /// Given a document name, remove all of the headers and footers from the document.
+        /// Converts a DOTX template to a DOCX document.
+        ///
+        /// Based on: https://github.com/onizet/html2openxml/wiki/Convert-.dotx-to-.docx
         /// </summary>
-        /// <param name="filename"></param>
-        public static void RemoveHeadersAndFooters(string filename) {
-            using (WordprocessingDocument doc = WordprocessingDocument.Open(filename, true)) {
-                WordHeader.RemoveHeaders(doc);
-                WordFooter.RemoveFooters(doc);
-                // save document
-                doc.MainDocumentPart.Document.Save();
+        /// <param name="templatePath">The path to the DOTX template file.</param>
+        /// <param name="outputPath">The path where the converted DOCX file will be saved.</param>
+        public static void ConvertDotXtoDocX(string templatePath, string outputPath) {
+            // Read the DOTX template file into a MemoryStream
+            MemoryStream documentStream = Helpers.ReadFileToMemoryStream(templatePath);
+
+            // Open the WordprocessingDocument from the MemoryStream
+            using (WordprocessingDocument template = WordprocessingDocument.Open(documentStream, true)) {
+                // Change the document type from template to document
+                template.ChangeDocumentType(DocumentFormat.OpenXml.WordprocessingDocumentType.Document);
+
+                // Get the main document part
+                MainDocumentPart mainPart = template.MainDocumentPart;
+
+                // Ensure the DocumentSettingsPart exists
+                if (mainPart.DocumentSettingsPart == null) {
+                    mainPart.AddNewPart<DocumentSettingsPart>();
+                }
+
+                // Add an external relationship to the template
+                mainPart.DocumentSettingsPart.AddExternalRelationship(
+                    "http://schemas.openxmlformats.org/officeDocument/2006/relationships/attachedTemplate",
+                    new Uri(templatePath, UriKind.Absolute));
+
+                // Save the changes to the main document part
+                mainPart.Document.Save();
             }
+
+            // Write the MemoryStream contents to the output file
+            File.WriteAllBytes(outputPath, documentStream.ToArray());
         }
     }
 }