public OldParserSynchronizer(EnhancedXmlParser enhancedXmlParser, IXmlTagParsingStrategy parsingStrategy, XmlParser oldParser)
{
this.enhancedXmlParser = enhancedXmlParser;
this.oldParser = oldParser;
this.parsingStrategy = parsingStrategy;
enhancedXmlParser.MoveOldParserToCurrentTag(oldParser);
}
/// <summary>
/// remove the specified elements from the XML buffer
/// </summary>
/// <param name="xmlBuffer">The XML buffer to change</param>
/// <param name="elementTagsToRemove">Array of strings (=element tags) to remove from the buffer</param>
/// <returns></returns>
public static String RemoveXmlElements(String xmlBuffer, params string[] elementTagsToRemove)
{
EnhancedXmlParser parser = new EnhancedXmlParser();
// Go over all tags to be removed
foreach (String tagToRemove in elementTagsToRemove)
{
StringBuilder returnedXml = new StringBuilder();
parser.SetXMLData(xmlBuffer);
int startIndex = 0;
// loop while the requested tag exists in the XML buffer
while (parser.MoveToElement(tagToRemove))
{
// read the string up to the tag
returnedXml.Append(xmlBuffer.Substring(startIndex, parser.CurrentPosition - startIndex));
// skip the element using the parser to find the end of the tag
parser.ReadToEndOfCurrentElement();
startIndex = parser.CurrentPosition;
}
// add what remained after the last removed tag
returnedXml.Append(xmlBuffer.Substring(startIndex));
//prepare the buffer for the next tag to remove
xmlBuffer = returnedXml.ToString();
}
return(xmlBuffer);
}
public bool Deserialize(EnhancedXmlParser parser)
{
using (parser.ElementBoundary())
{
if (!EnterElement(parser))
{
return(false);
}
while (parser.MoveToNextTag(GetTagParsingStrategy()))
{
if (!parser.IsOnElementClosingTag)
{
if (!ProcessInnerElement(parser))
{
Logger.Instance.WriteErrorToLog("An error occurred while deserializing an object. See previous messages for more details.");
return(false);
}
}
}
if (!LeaveElement(parser))
{
return(false);
}
}
return(true);
}
public ParserContextSwitch(EnhancedXmlParser parser)
{
this.parser = parser;
}
protected virtual bool ProcessInnerElement(EnhancedXmlParser parser)
{
return(true);
}
protected virtual bool LeaveElement(EnhancedXmlParser parser)
{
return(true);
}