public static List <T> ParseContent <T>(HtmlNodeCollection elements, IParseDetails <T> details)
{
var results = new List <T>();
if (elements != null && elements.Count > 0)
{
details.Logger.Debug("Selected node count: {0}", elements.Count);
foreach (var element in elements)
{
try
{
T obj = ParseSingleNodeContent(element, details);
results.Add(obj);
}
catch (Exception ex)
{
details.Logger.Error(ex.ToString());
}
}
}
/// Return a list of the results with the duplicates culled.
///
return(results.Distinct().ToList());
}
public static Uri CreateUriFromElementAttributeValue <T>(HtmlNode element, IParseDetails <T> details, Uri host)
{
var value = element.GetAttributeValue(details.AttributeName, null);
details.Logger.Debug("Creating validated URI from \"{0}\"", value);
if (value.StartsWith("/") && value[1] != '/')
{
value = string.Concat(host.Scheme, "://", host.Host, value);
}
return(new DMR11.Core.Net.ValidatedUri(value));
}
public static T SectionGenericParseAction <T>(HtmlNode element, IParseDetails <T> details, string parseRegex, string parseReplace, Func <string, T> postParse, Dictionary <string, string> hostVariables)
{
var input = GetElementValue(element, details.AttributeName);
if (!string.IsNullOrWhiteSpace(input))
{
// Remove any trailing whitespace or newlines from the value.
input = input.Trim();
if (!string.IsNullOrWhiteSpace(parseRegex) &&
!string.IsNullOrWhiteSpace(parseReplace))
{
var regex = new Regex(parseRegex, RegexOptions.Singleline | RegexOptions.Compiled | RegexOptions.IgnoreCase);
var match = Match.Empty;
if ((match = regex.Match(input)).Success)
{
// Register group values.
foreach (var group in regex.GetGroupNames())
{
// Todo: Use section name as well before overwriting the original value.
// > regex__pages_conflicting_name
// > regex__page_conflicting_name
var newKey = string.Concat("regex__", group);
var newValue = match.Groups[group].Value;
if (hostVariables.ContainsKey(newKey))
{
hostVariables[newKey] = newValue;
}
else
{
hostVariables.Add(newKey, newValue);
}
}
var replace = EvaluateVariable(parseReplace, hostVariables);
return(postParse(replace));
}
}
else
{
return(postParse(input));
}
}
return(default(T));
}
public string TitleParseAction(HtmlNode element, IParseDetails <string> parseDetails)
{
string title = string.Empty;
// Todo: Replace with correct function call.
if (string.Compare(parseDetails.AttributeName, "$(__inner_text)", true) == 0)
{
title = element.InnerText;
}
else
{
title = element.GetAttributeValue(parseDetails.AttributeName, null);
}
return(title);
}
public static List <T> ParseContent <T>(string html, IParseDetails <T> details)
{
var doc = new HtmlDocument();
try
{
doc.LoadHtml(html);
var elements = doc.DocumentNode.SelectNodes(details.XPath);
return(ParseContent(elements, details));
}
finally
{
doc = null;
}
}
public IChapter ChapterParseAction(HtmlNode element, IParseDetails <IChapter> parseDetails)
{
var uri = Parsing.CreateUriFromElementAttributeValue(element, parseDetails, Address);
var chapter = new ChapterDistill(element.InnerText, uri, this.HostData, Log);
((Core.Helper.ChapterParseDetails)parseDetails).HostVariables.ToList().ForEach((pair) =>
{
if (chapter.HostVariables.ContainsKey(pair.Key))
{
chapter.HostVariables[pair.Key] = pair.Value;
}
else
{
chapter.HostVariables.Add(pair.Key, pair.Value);
}
});
return(chapter ?? null);
}
public static T ParseSingleNodeContent <T>(HtmlNode element, IParseDetails <T> details)
{
T obj = default(T);
if (details.ParseAction != null)
{
obj = details.ParseAction(element, details);
if (obj == null)
{
throw new ArgumentNullException();
}
}
else
{
throw new ArgumentNullException();
}
return(obj);
}
public T GenericParseAction <T>(HtmlNode element, IParseDetails <T> details, IHostSection section, Func <string, T> postParse)
{
return(Parsing.GenericParseAction <T>(element, details, section, postParse, HostVariables));
}
public ParseDetailsDecorator(IParseDetails <T> parseDetails)
{
this._decoratedParseDetails = parseDetails;
}
public VariableParseDetailsDecorator(IParseDetails <T> parseDetails) : base(parseDetails)
{
}
public T SectionGenericParseAction <T>(HtmlNode element, IParseDetails <T> details, string parseRegex, string parseReplace, Func <string, T> postParse)
{
return(Parsing.SectionGenericParseAction <T>(element, details, parseRegex, parseReplace, postParse, HostVariables));
}
public IChapter ChapterParseActionUriSupplied(Uri chapterUri, HtmlNode element, IParseDetails <IChapter> parseDetails, string html = null)
{
var chapterTitle = ParseChapterTitle(element, html);
var chapter = new ChapterDistill(chapterTitle, chapterUri, this.HostData, Log);
((Core.Helper.ChapterParseDetails)parseDetails).HostVariables.ToList().ForEach((pair) =>
{
if (chapter.HostVariables.ContainsKey(pair.Key))
{
chapter.HostVariables[pair.Key] = pair.Value;
}
else
{
chapter.HostVariables.Add(pair.Key, pair.Value);
}
});
return(chapter ?? null);
}
public static List <T> ParseContentFromNode <T>(HtmlNode element, IParseDetails <T> details)
{
var elements = element.SelectNodes(details.XPath);
return(ParseContent(elements, details));
}
public static List <IChapter> ParseChapters(string html, IParseDetails <IChapter> details)
{
return(ParseContent <IChapter>(html, details));
}
public static List <Uri> ParseAddresses(string html, IParseDetails <Uri> details)
{
return(ParseContent <Uri>(html, details));
}
// TODO: Refactor into a more palatable method, please...
public static T GenericParseAction <T>(HtmlNode element, IParseDetails <T> details, IHostSection section, Func <string, T> postParse, Dictionary <string, string> hostVariables)
{
return(SectionGenericParseAction(element, details, section.ParseRegex, section.ParseReplace, postParse, hostVariables));
}