#pragma warning restore CS1998
public static FieldExtractResult ExtractFields(string templateFileName,
bool removeCustomProperties = true, IEnumerable <string> keepPropertyNames = null)
{
string newTemplateFileName = templateFileName + "obj.docx";
string outputFile = templateFileName + "obj.json";
WmlDocument templateDoc = new WmlDocument(templateFileName); // just reads the template's bytes into memory (that's all), read-only
WmlDocument preprocessedTemplate = null;
byte[] byteArray = templateDoc.DocumentByteArray;
var fieldAccumulator = new FieldAccumulator();
using (MemoryStream mem = new MemoryStream())
{
mem.Write(byteArray, 0, byteArray.Length); // copy template file (binary) into memory -- I guess so the template/file handle isn't held/locked?
using (WordprocessingDocument wordDoc = WordprocessingDocument.Open(mem, true)) // read & parse that byte array into OXML document (also in memory)
{
// first, remove all the task panes / web extension parts from the template (if there are any)
wordDoc.DeleteParts <WebExTaskpanesPart>(wordDoc.GetPartsOfType <WebExTaskpanesPart>());
// next, extract all fields (and thus logic) from the template's content parts
ExtractAllTemplateFields(wordDoc, fieldAccumulator, removeCustomProperties, keepPropertyNames);
}
preprocessedTemplate = new WmlDocument(newTemplateFileName, mem.ToArray());
}
// save the output (even in the case of error, since error messages are in the file)
preprocessedTemplate.Save();
using (StreamWriter sw = File.CreateText(outputFile))
{
fieldAccumulator.JsonSerialize(sw);
sw.Close();
}
return(new FieldExtractResult(newTemplateFileName, outputFile));
}
/// <summary>
/// Creates a bindable version of the <see cref="WordprocessingDocument" />.
/// </summary>
/// <param name="document">The document.</param>
/// <returns>The <see cref="WordprocessingDocument" />.</returns>
/// <seealso cref="http://blogs.msdn.com/ericwhite/archive/2008/10/19/creating-data-bound-content-controls-using-the-open-xml-sdk-and-linq-to-xml.aspx"/>
public static WordprocessingDocument ToBindable(this WordprocessingDocument document)
{
foreach (MainDocumentPart mainPart in document.GetPartsOfType <MainDocumentPart>())
{
mainPart.RemoveCustomXmlParts();
Guid id = Guid.NewGuid();
XDocument customXml = mainPart.CreateCustomXml();
XDocument customXmlProperties = CreateCustomXmlProperties(id);
mainPart.AddCustomXmlPart(customXml, customXmlProperties);
XDocument partXDoc = mainPart.GetXDocument();
AddDataBinding(partXDoc, id);
mainPart.PutXDocument(partXDoc);
}
return(document);
}