// the following gets a flattened list of ComparisonUnitAtoms, with status indicated in each ComparisonUnitAtom: Deleted, Inserted, or Equal
// for any deleted or inserted rows, we go into the w:trPr properties, and add the appropriate w:ins or w:del element, and therefore
// when generating the document, the appropriate row will be marked as deleted or inserted.
public static List <WmlComparerRevision> GetRevisions(WmlDocument source, WmlComparerSettings settings)
{
using (var ms = new MemoryStream())
{
ms.Write(source.DocumentByteArray, 0, source.DocumentByteArray.Length);
using (WordprocessingDocument wDoc = WordprocessingDocument.Open(ms, true))
{
TestForInvalidContent(wDoc);
RemoveExistingPowerToolsMarkup(wDoc);
XElement contentParent = wDoc.MainDocumentPart.GetXDocument().Root?.Element(W.body);
ComparisonUnitAtom[] atomList =
CreateComparisonUnitAtomList(wDoc.MainDocumentPart, contentParent, settings).ToArray();
if (False)
{
var sb = new StringBuilder();
foreach (ComparisonUnitAtom item in atomList)
{
sb.Append(item + Environment.NewLine);
}
string sbs = sb.ToString();
TestUtil.NotePad(sbs);
}
List <IGrouping <string, ComparisonUnitAtom> > grouped = atomList
.GroupAdjacent(a =>
{
string key = a.CorrelationStatus.ToString();
if (a.CorrelationStatus != CorrelationStatus.Equal)
{
var rt = new XElement(a.RevTrackElement.Name,
new XAttribute(XNamespace.Xmlns + "w",
"http://schemas.openxmlformats.org/wordprocessingml/2006/main"),
a.RevTrackElement.Attributes().Where(a2 => a2.Name != W.id && a2.Name != PtOpenXml.Unid));
key += rt.ToString(SaveOptions.DisableFormatting);
}
return(key);
})
.ToList();
List <IGrouping <string, ComparisonUnitAtom> > revisions = grouped
.Where(k => k.Key != "Equal")
.ToList();
if (False)
{
var sb = new StringBuilder();
foreach (IGrouping <string, ComparisonUnitAtom> item in revisions)
{
sb.Append(item.Key + Environment.NewLine);
}
string sbs = sb.ToString();
TestUtil.NotePad(sbs);
}
List <WmlComparerRevision> mainDocPartRevisionList = revisions
.Select(rg =>
{
var rev = new WmlComparerRevision();
if (rg.Key.StartsWith("Inserted"))
{
rev.RevisionType = WmlComparerRevisionType.Inserted;
}
else if (rg.Key.StartsWith("Deleted"))
{
rev.RevisionType = WmlComparerRevisionType.Deleted;
}
XElement revTrackElement = rg.First().RevTrackElement;
rev.RevisionXElement = revTrackElement;
rev.Author = (string)revTrackElement.Attribute(W.author);
rev.ContentXElement = rg.First().ContentElement;
rev.Date = (string)revTrackElement.Attribute(W.date);
rev.PartUri = wDoc.MainDocumentPart.Uri;
rev.PartContentType = wDoc.MainDocumentPart.ContentType;
if (!RevElementsWithNoText.Contains(rev.ContentXElement.Name))
{
rev.Text = rg
.Select(rgc => rgc.ContentElement.Name == W.pPr ? NewLine : rgc.ContentElement.Value)
.StringConcatenate();
}
return(rev);
})
.ToList();
IEnumerable <WmlComparerRevision> footnotesRevisionList =
GetFootnoteEndnoteRevisionList(wDoc.MainDocumentPart.FootnotesPart, W.footnote, settings);
IEnumerable <WmlComparerRevision> endnotesRevisionList =
GetFootnoteEndnoteRevisionList(wDoc.MainDocumentPart.EndnotesPart, W.endnote, settings);
List <WmlComparerRevision> finalRevisionList = mainDocPartRevisionList
.Concat(footnotesRevisionList)
.Concat(endnotesRevisionList)
.ToList();
return(finalRevisionList);
}
}
}
private static IEnumerable <WmlComparerRevision> GetFootnoteEndnoteRevisionList(
OpenXmlPart footnotesEndnotesPart,
XName footnoteEndnoteElementName,
WmlComparerSettings settings)
{
if (footnotesEndnotesPart == null)
{
return(Enumerable.Empty <WmlComparerRevision>());
}
XDocument xDoc = footnotesEndnotesPart.GetXDocument();
IEnumerable <XElement> footnotesEndnotes =
xDoc.Root?.Elements(footnoteEndnoteElementName) ?? throw new OpenXmlPowerToolsException("Invalid document.");
var revisionsForPart = new List <WmlComparerRevision>();
foreach (XElement fn in footnotesEndnotes)
{
ComparisonUnitAtom[] atomList = CreateComparisonUnitAtomList(footnotesEndnotesPart, fn, settings).ToArray();
if (False)
{
var sb = new StringBuilder();
foreach (ComparisonUnitAtom item in atomList)
{
sb.Append(item + Environment.NewLine);
}
string sbs = sb.ToString();
TestUtil.NotePad(sbs);
}
List <IGrouping <string, ComparisonUnitAtom> > grouped = atomList
.GroupAdjacent(a =>
{
string key = a.CorrelationStatus.ToString();
if (a.CorrelationStatus != CorrelationStatus.Equal)
{
var rt = new XElement(a.RevTrackElement.Name,
new XAttribute(XNamespace.Xmlns + "w",
"http://schemas.openxmlformats.org/wordprocessingml/2006/main"),
a.RevTrackElement.Attributes().Where(a2 => a2.Name != W.id && a2.Name != PtOpenXml.Unid));
key += rt.ToString(SaveOptions.DisableFormatting);
}
return(key);
})
.ToList();
List <IGrouping <string, ComparisonUnitAtom> > revisions = grouped
.Where(k => k.Key != "Equal")
.ToList();
IEnumerable <WmlComparerRevision> thisNoteRevisionList = revisions
.Select(rg =>
{
var rev = new WmlComparerRevision();
if (rg.Key.StartsWith("Inserted"))
{
rev.RevisionType = WmlComparerRevisionType.Inserted;
}
else if (rg.Key.StartsWith("Deleted"))
{
rev.RevisionType = WmlComparerRevisionType.Deleted;
}
XElement revTrackElement = rg.First().RevTrackElement;
rev.RevisionXElement = revTrackElement;
rev.Author = (string)revTrackElement.Attribute(W.author);
rev.ContentXElement = rg.First().ContentElement;
rev.Date = (string)revTrackElement.Attribute(W.date);
rev.PartUri = footnotesEndnotesPart.Uri;
rev.PartContentType = footnotesEndnotesPart.ContentType;
if (!RevElementsWithNoText.Contains(rev.ContentXElement.Name))
{
rev.Text = rg
.Select(rgc => rgc.ContentElement.Name == W.pPr ? NewLine : rgc.ContentElement.Value)
.StringConcatenate();
}
return(rev);
});
revisionsForPart.AddRange(thisNoteRevisionList);
}
return(revisionsForPart);
}