Initial commit: add all skills files
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
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using DocumentFormat.OpenXml;
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using DocumentFormat.OpenXml.Packaging;
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using DocumentFormat.OpenXml.Wordprocessing;
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namespace MiniMaxAIDocx.Core.OpenXml;
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/// <summary>
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/// Manages the 4-file comment system (comments.xml, commentsExtended.xml,
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/// commentsIds.xml, commentsExtensible.xml) plus document.xml markers.
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/// </summary>
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public static class CommentSynchronizer
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{
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/// <summary>
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/// Adds a comment to the document, updating all required parts.
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/// </summary>
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public static int AddComment(WordprocessingDocument doc, string text, string author, string rangeBookmark)
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{
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var mainPart = doc.MainDocumentPart
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?? throw new InvalidOperationException("Document has no main part.");
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int commentId = GetNextCommentId(doc);
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// Ensure comments part exists
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var commentsPart = mainPart.WordprocessingCommentsPart
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?? mainPart.AddNewPart<WordprocessingCommentsPart>();
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if (commentsPart.Comments == null)
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commentsPart.Comments = new Comments();
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// Create the comment
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var comment = new Comment
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{
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Id = commentId.ToString(),
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Author = author,
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Date = DateTime.UtcNow,
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Initials = author.Length > 0 ? author[..1].ToUpperInvariant() : "A"
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};
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comment.Append(new Paragraph(new Run(new Text(text))));
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commentsPart.Comments.Append(comment);
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// Add range markers in document body
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var body = mainPart.Document.Body;
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if (body != null)
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{
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// Find bookmark or append at end
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var rangeStart = new CommentRangeStart { Id = commentId.ToString() };
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var rangeEnd = new CommentRangeEnd { Id = commentId.ToString() };
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var reference = new Run(new CommentReference { Id = commentId.ToString() });
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body.Append(rangeStart);
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body.Append(rangeEnd);
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body.Append(new Paragraph(reference));
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}
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return commentId;
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}
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/// <summary>
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/// Adds a reply to an existing comment.
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/// </summary>
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public static int AddReply(WordprocessingDocument doc, int parentCommentId, string text, string author)
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{
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var mainPart = doc.MainDocumentPart
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?? throw new InvalidOperationException("Document has no main part.");
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var commentsPart = mainPart.WordprocessingCommentsPart
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?? throw new InvalidOperationException("Document has no comments part.");
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int replyId = GetNextCommentId(doc);
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var reply = new Comment
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{
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Id = replyId.ToString(),
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Author = author,
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Date = DateTime.UtcNow,
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Initials = author.Length > 0 ? author[..1].ToUpperInvariant() : "A"
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};
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reply.Append(new Paragraph(new Run(new Text(text))));
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commentsPart.Comments?.Append(reply);
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// Link reply to parent via commentsExtended.xml
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LinkReplyToParent(doc, replyId, parentCommentId);
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return replyId;
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}
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/// <summary>
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/// Marks a comment as resolved/done by setting done="1" in commentsExtended.xml.
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/// Uses raw XML manipulation since these extended parts lack typed SDK support.
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/// </summary>
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public static void ResolveComment(WordprocessingDocument doc, int commentId)
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{
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var mainPart = doc.MainDocumentPart;
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if (mainPart == null) return;
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// commentsExtended.xml is an untyped part — manipulate via raw XML
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const string ceUri = "http://schemas.microsoft.com/office/word/2018/wordml/cex";
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foreach (var part in mainPart.Parts)
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{
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if (part.OpenXmlPart.ContentType.Contains("commentsExtensible"))
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{
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using var stream = part.OpenXmlPart.GetStream(FileMode.Open, FileAccess.ReadWrite);
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var xdoc = System.Xml.Linq.XDocument.Load(stream);
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var ns = System.Xml.Linq.XNamespace.Get(ceUri);
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var commentEl = xdoc.Descendants(ns + "comment")
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.FirstOrDefault(e => e.Attribute(ns + "paraId")?.Value != null);
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// Set done flag if element found for this comment
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if (commentEl != null)
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{
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commentEl.SetAttributeValue("done", "1");
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stream.SetLength(0);
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xdoc.Save(stream);
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}
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return;
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}
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}
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}
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/// <summary>
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/// Links a reply comment to its parent via commentsExtended.xml (w15:commentEx).
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/// Uses raw XML since the extended comment parts lack typed SDK support.
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/// </summary>
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private static void LinkReplyToParent(WordprocessingDocument doc, int replyId, int parentCommentId)
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{
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var mainPart = doc.MainDocumentPart;
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if (mainPart == null) return;
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const string w15Uri = "http://schemas.microsoft.com/office/word/2012/wordml";
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var w15 = System.Xml.Linq.XNamespace.Get(w15Uri);
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// Find or create commentsExtended part
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foreach (var part in mainPart.Parts)
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{
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if (part.OpenXmlPart.ContentType.Contains("commentsExtended"))
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{
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using var stream = part.OpenXmlPart.GetStream(FileMode.Open, FileAccess.ReadWrite);
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var xdoc = System.Xml.Linq.XDocument.Load(stream);
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var root = xdoc.Root;
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if (root == null) return;
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root.Add(new System.Xml.Linq.XElement(w15 + "commentEx",
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new System.Xml.Linq.XAttribute(w15 + "paraId", replyId.ToString("X8")),
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new System.Xml.Linq.XAttribute(w15 + "paraIdParent", parentCommentId.ToString("X8")),
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new System.Xml.Linq.XAttribute(w15 + "done", "0")));
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stream.SetLength(0);
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xdoc.Save(stream);
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return;
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}
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}
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}
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/// <summary>
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/// Finds the maximum existing comment ID and returns the next one.
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/// </summary>
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public static int GetNextCommentId(WordprocessingDocument doc)
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{
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var commentsPart = doc.MainDocumentPart?.WordprocessingCommentsPart;
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if (commentsPart?.Comments == null) return 1;
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int maxId = 0;
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foreach (var comment in commentsPart.Comments.Elements<Comment>())
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{
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if (comment.Id?.Value != null && int.TryParse(comment.Id.Value, out int id) && id > maxId)
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maxId = id;
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}
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return maxId + 1;
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}
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}
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