public WikipediaTextResult GetWikipediaTextFromUrlSynchronously(string url)
{
Task <WikipediaTextResult> task = Task.Run <WikipediaTextResult>(async() => await GetWikipediaTextFromUrl(url));
_wikiResult = task.Result;
return(task.Result);
}
public virtual WikipediaTextResult GetWikipediaTextFromUrlSynchronously()
{
Task <WikipediaTextResult> task = Task.Run <WikipediaTextResult>(async() => await GetWikipediaTextFromUrl());
_wikiResult = task.Result;
return(task.Result);
}
public string GetNextTextSection()
{
string textSection = string.Empty;
int counter = 0;
while (string.IsNullOrEmpty(textSection) && counter < 5)
{
if (_wikiText == null || _wikiText.TextSections.Count == 0)
{
_wikiText = _cachedData.Dequeue();
}
else
{
textSection = _wikiText.TextSections[0];
_wikiText.TextSections.RemoveAt(0);
break;
}
counter++;
}
PrefetchMoreIfNeeded();
return(textSection);
}
public async Task <WikipediaTextResult> GetWikipediaTextFromUrl(string url)
{
AngleSharp.Dom.IDocument document = await _angleSharpContext.OpenAsync(url);
WikipediaTextResult result = ParseHtml(document);
return(result);
}
public async Task <WikipediaTextResult> GetWikipediaTextFromString(string html)
{
var document = await _angleSharpContext.OpenAsync(req => req.Content(html));
WikipediaTextResult result = ParseHtml(document);
return(result);
}
public void Init()
{
//_wikiText = await base.GetWikipediaTextFromUrl();
_wikiText = base.GetWikipediaTextFromUrlSynchronously();
_cachedData = new Queue <WikipediaTextResult>();
PrefetchMoreIfNeeded();
}
public async void PrefetchMoreIfNeeded()
{
for (int i = 1; i <= NUM_PREFETCHES_TO_KEEP_ON_HAND - _cachedData.Count; i++)
{
var data = await base.GetWikipediaTextFromUrl();
_cachedData.Enqueue(data);
if (_wikiText == null)
{
_wikiText = data;
}
}
}
public ITextSample ExtractTextWithFunction(Func <string, char[], string> ParsingFunction, char[] separator)
{
if (_wikiResult == null)
{
_wikiResult = GetWikipediaTextFromUrlSynchronously();
}
if (_wikiResult == null || _wikiResult.TextSections.Count == 0)
{
return(null);
}
string text = _wikiResult.TextSections[base.GetRandomIndex(_wikiResult.TextSections)];
text = ParsingFunction(text, separator);
return(TextToTextSample(text, _wikiResult.Url));
}
public WikipediaTextResult ParseHtml(AngleSharp.Dom.IDocument document)
{
bool isMobile = IsMobile(document.Url);
var result = new WikipediaTextResult
{
Url = document.Url,
IsMobile = isMobile,
Title = ExtractTitle(document, isMobile)
};
IEnumerable <string> textSections = ExtractTextSections(document, isMobile);
foreach (var section in textSections)
{
result.AddText(base.NormalizeText(section));
}
return(result);
}
