/// <summary>
/// read through XML tags until we reach either:
/// 1 - Start of targetTag
/// 2 - End of outerTag or empty outerTag was read
/// 3 - End of XML file
/// While 2 or 3 have not occured, it repeats to execute tagReader
/// Returns false if 2 or 3 happens, true in case of 1
/// </summary>
/// <param name="reader"></param>
/// <param name="targetTag"></param>
/// <param name="outerTag"></param>
public static bool ProcessTag(XmlReader reader, string targetTag, string outerTag, TagReaderDelegate tagReader)
{
while (!((reader.EOF) ||
(reader.Name == targetTag && reader.NodeType == XmlNodeType.Element) ||
(outerTag != null && reader.Name == outerTag && reader.NodeType == XmlNodeType.EndElement)))
{
if ((outerTag != null && reader.Name == outerTag && reader.IsEmptyElement))
{
return(false);
}
reader.Read();
}
if (reader.Name == targetTag && reader.NodeType == XmlNodeType.Element)
{
//run tagReader and go for the next occurence of 'targetTag' within outerTag
tagReader();
return(true);
}
return(false);
}
/// <summary>
/// read through XML tags until we reach either:
/// 1 - Start of targetTag
/// 2 - End of outerTag
/// 3 - End of XML file
/// While 2 or 3 have not occured, it repeats to execute tagReader
/// Returns false if 2 or 3 happens, true in case of 1
/// </summary>
/// <param name="reader"></param>
/// <param name="targetTag"></param>
/// <param name="outerTag"></param>
public static void ProcessTagArray(XmlReader reader, string targetTag, string outerTag, TagReaderDelegate tagReader)
{
while (true)
{
bool processed = ProcessTag(reader, targetTag, outerTag, tagReader);
//exit if outerTag is seen or document is finished
if (!processed)
{
return;
}
else
{
reader.Read(); //move to the next item so ProcessTag will continue to next tag
}
}
}
