private string GetContentFromParsingCommand(string content, ParseCommand parsingCommand)
{
switch (parsingCommand.Type)
{
case ParseCommandType.Css:
return(GetContentFromCssParsingCommand(content, parsingCommand));
case ParseCommandType.RegEx:
return(GetContentFromRegExParsingCommand(content, parsingCommand));
}
return(string.Empty);
}
private string GetContentFromRegExParsingCommand(string content, ParseCommand parsingCommand)
{
var match = Regex.Match(content, parsingCommand.Selector);
var targetIndex = parsingCommand.TargetIndex ?? 1;
if (match != null && match.Groups.Count > targetIndex)
{
return(match.Groups[targetIndex].Value);
}
return(string.Empty);
}
private IEnumerable <string> GetContentByParsingCommands(
string content,
ParseCommand parsingCommand,
ParseCommand parentParsingCommand = null
)
{
if (parsingCommand == null)
{
return(GetValuesFromParentParsingCommand(content, parentParsingCommand));
}
content = GetContentFromParsingCommand(content, parsingCommand);
return(GetContentByParsingCommands(
content,
parsingCommand.ContentParsingCommand,
parsingCommand
));
}
private string GetContentFromCssParsingCommand(string content, ParseCommand parsingCommand)
{
return(CQ.Create(content)[parsingCommand.Selector].RenderSelection());
}
private IEnumerable <string> GetValuesFromParentCssParsingCommand(string content, ParseCommand parsingCommand)
{
var document = CQ.Create(content);
var targetAttribute = parsingCommand.Attribute;
return(document.Select(
part =>
string.IsNullOrEmpty(targetAttribute) ? part.InnerText
: part.Attributes[targetAttribute]
));
}
private IEnumerable <string> GetValuesFromParentParsingCommand(string content, ParseCommand parsingCommand)
{
switch (parsingCommand.Type)
{
case ParseCommandType.Css:
return(GetValuesFromParentCssParsingCommand(content, parsingCommand));
}
return(new[] { content });
}
