public static IEnumerable <XElement> getNonEmptyParagraphsOfHeaderType(XElement root,
Constants.WordProcessingMLDefines.HeadingLevel headerLevel)
{
var parasWithHeading = WordProcessingMLUtils.getParagraphsOfHeaderType(root,
headerLevel);
var query =
from el in parasWithHeading
where el.Descendants(w + "t").Any()
select el;
return(query);
}
/// <summary>
/// Finds the following sibling of type paragraph with a header level
/// matching the input parameter.
/// Returns the node that is the previous sibling of the matching
/// node.
/// Returns null on the error condition where there is no sibling
/// nodes after the input Element.
/// </summary>
/// <param name="startElement"></param>
/// <param name="headerLevel"></param>
/// <returns></returns>
private XElement findPrecursorOfNextMatchingSibling(XElement startElement,
Constants.WordProcessingMLDefines.HeadingLevel headerLevel)
{
var elem = XUtils.WordProcessingMLUtils.findNextParagraphHeaderAtLevel(startElement, headerLevel);
if (elem == null)
{
return(null);
}
var prev = elem.PreviousNode;
return((XElement)prev);
} // end of findNextMatchingSiblingV2
public static IEnumerable <XElement> getParagraphsOfHeaderType(XElement root,
Constants.WordProcessingMLDefines.HeadingLevel headerLevel)
{
var allParas =
from el in root.Elements()
where el.Name.LocalName.Equals("p")
select el;
var hdrParas =
from el in allParas.Elements(w + "pPr").Elements(w + "pStyle")
where el.Attribute(w + "val").Value.Trim().
Equals(Constants.WordProcessingMLDefines.Headings[headerLevel])
select el.Parent.Parent; // we need the paragraph node, not its grandchild style property node
return(hdrParas);
}
public static XElement findNextParagraphHeaderAtLevel(XElement startNode,
Constants.WordProcessingMLDefines.HeadingLevel headerLevel)
{
var restOfElems = startNode.ElementsAfterSelf();
foreach (var elem in restOfElems)
{
var styleNodes = elem.Elements(w + "pPr")
.Elements(w + "pStyle");
var checkSyleNode =
from styleNode in styleNodes
where styleNode.Attribute(w + "val").Value.Trim().
Equals(Constants.WordProcessingMLDefines.Headings[headerLevel])
select styleNode;
if (checkSyleNode.Count() > 0)
{
return(elem);
}
}
return(null);
}