public void SetExtractionLocation(string location, ExtractionLocation.ExtractionLocationTypes locationType, bool includeChildNodes)
{
if (location != null)
{
Location = new ExtractionLocation(
location,
locationType,
includeChildNodes
);
}
}
protected override IEnumerable <(string ExtractedValue, ResponseParserPositionPointer ExtractedValuePosition)> ExtractItemValuesFromLocation(ExtractionLocation location, ResponseParserPositionPointer?relativeLocationBase = null)
{
var xPathNavigator = _xPathNavigator;
if (relativeLocationBase != null)
{
var nodeSelector = XPathSelectorAttributeRegex.Replace(relativeLocationBase.Value.Location.Selector, string.Empty);
xPathNavigator = _xPathNavigator.Select("(" + nodeSelector + ")[" + (relativeLocationBase.Value.ElementIndex + 1) + "]")
.Cast <XPathNavigator>()
.Single();
}
int extractedValueIndex = 0;
foreach (var value in xPathNavigator.Select(location.Selector)
.Cast <HtmlNodeNavigator>()
.Select(nav => GetNodeValue(nav, location.LocationType, location.IncludeChildNodes))
)
{
yield return(value?.Trim(), new ResponseParserPositionPointer(location, extractedValueIndex++));
}
}
protected override IEnumerable <(string ExtractedValue, ResponseParserPositionPointer ExtractedValuePosition)> ExtractItemValuesFromLocation(ExtractionLocation location, ResponseParserPositionPointer?relativeLocationBase = null)
{
var selector = location.Selector;
if (relativeLocationBase != null)
{
selector = $"{relativeLocationBase.Value.Location.Selector}[{relativeLocationBase.Value.ElementIndex + 1}] {location.Selector}";
}
int extractedValueIndex = 0;
foreach (var value in _htmlDocument.QuerySelectorAll(selector)
.Select(node => GetNodeValue(node, location.LocationType, location.IncludeChildNodes))
)
{
yield return(value?.Trim(), new ResponseParserPositionPointer(location, extractedValueIndex++));
}
}
