protected override EpubEntrySearchResults searchEpubEntry(String entryName, Stream stream)
{
XmlDocument xmlDocument = SgmlDocuments.readHtmlAsXmlDocument(stream); // EPUB uses XHTML not HTML, but let's be forgiving
if (null == xmlDocument)
{
Console.Error.WriteLine("Error: could not parse: {0}", entryName);
return(null);
}
// TODO: switch to using XPathNavigator
IEnumerable <Tuple <XmlNode, MatchCollection> > xmlNodeMatchCollections = xmlDocument.SelectNodes(xpath.Expression).matchWithinAll(regex);
if (xmlNodeMatchCollections.isNullOrEmpty())
{
return(null);
}
XmlNode titleXmlNode = xmlDocument.SelectSingleNode(".//title");
String entryTitle = (null == titleXmlNode) ? null : titleXmlNode.InnerText.Trim();
return(new EpubEntrySearchResults(entryName, entryTitle, xmlNodeMatchCollections.Select(t => new XmlNodeSearchResults(t.Item1.Name, new RegexSearchResultMatchCollection(t.Item2)))));
}
public static XmlDocument postFormDataReturnXmlDocument(this WebClient thisWebClient, String uriString, NameValueCollection nameValueCollection)
{
String responseString = thisWebClient.postFormDataReturnString(uriString, nameValueCollection);
return(SgmlDocuments.readHtmlAsXmlDocument(responseString));
}
public static XmlDocument getXmlDocument(this WebClient thisWebClient, Uri uri)
{
using (Stream stream = thisWebClient.OpenRead(uri)) {
return(SgmlDocuments.readHtmlAsXmlDocument(stream));
}
}