/// <summary>
/// Load FixedPage element into a DOM tree to initialize a FixedPageContentExtractor.
/// The content extractor will then be used to incrementally return the content of the fixed page.
/// </summary>
private IndexingContentUnit ProcessFixedPage()
{
// Reader is positioned on the start-tag for a FixedPage element.
Debug.Assert(String.CompareOrdinal(_xamlReader.LocalName, _fixedPageName) == 0);
// A FixedPage nested in a FixedPage is invalid.
// XmlException gets handled inside this class (see GetChunk).
if (_filterState == FilterState.FindNextFlowUnit)
{
throw new XmlException(SR.Get(SRID.XamlFilterNestedFixedPage));
}
// Create a DOM for the current FixedPage.
string fixedPageMarkup = _xamlReader.ReadOuterXml();
XmlDocument fixedPageTree = new XmlDocument();
fixedPageTree.LoadXml(fixedPageMarkup);
// Preserve the current language ID
if (_xamlReader.XmlLang.Length > 0)
{
fixedPageTree.DocumentElement.SetAttribute(_xmlLangAttribute, _xamlReader.XmlLang);
}
// Initialize a content extractor with this DOM tree.
_fixedPageContentExtractor = new FixedPageContentExtractor(fixedPageTree.DocumentElement);
// Save the DOM (to search for flow elements in it once the extractor is done)
// and switch to extractor mode.
_fixedPageDomTree = fixedPageTree;
_filterState = FilterState.UseContentExtractor;
// Have NextContentUnit look for the appropriate unit in the new mode.
return(null);
}
/// <summary>
/// Load FixedPage element into a DOM tree to initialize a FixedPageContentExtractor.
/// The content extractor will then be used to incrementally return the content of the fixed page.
/// </summary>
private IndexingContentUnit ProcessFixedPage()
{
// Reader is positioned on the start-tag for a FixedPage element.
Debug.Assert(String.CompareOrdinal(_xamlReader.LocalName, _fixedPageName) == 0);
// A FixedPage nested in a FixedPage is invalid.
// XmlException gets handled inside this class (see GetChunk).
if (_filterState == FilterState.FindNextFlowUnit)
{
throw new XmlException(SR.Get(SRID.XamlFilterNestedFixedPage));
}
// Create a DOM for the current FixedPage.
string fixedPageMarkup = _xamlReader.ReadOuterXml();
XmlDocument fixedPageTree = new XmlDocument();
fixedPageTree.LoadXml(fixedPageMarkup);
// Preserve the current language ID
if (_xamlReader.XmlLang.Length > 0)
{
fixedPageTree.DocumentElement.SetAttribute(_xmlLangAttribute, _xamlReader.XmlLang);
}
// Initialize a content extractor with this DOM tree.
_fixedPageContentExtractor = new FixedPageContentExtractor(fixedPageTree.DocumentElement);
// Save the DOM (to search for flow elements in it once the extractor is done)
// and switch to extractor mode.
_fixedPageDomTree = fixedPageTree;
_filterState = FilterState.UseContentExtractor;
// Have NextContentUnit look for the appropriate unit in the new mode.
return null;
}
