public bool Start(BoilerpipeHtmlContentHandler instance, string uri, string localName, string qName, IAttributes attributes)
{
string sizeAttr = attributes.GetValue("size");
if (sizeAttr != null)
{
Match m = FontSizeRegex.Match(sizeAttr);
if (m.Success)
{
string rel = m.Groups[1].Value;
int val = int.Parse(m.Groups[2].Value);
int size;
if (rel.Length == 0)
{
// absolute
size = val;
}
else
{
// relative
int prevSize;
if (instance.FontSizeStack.Count == 0)
{
prevSize = 3;
}
else
{
prevSize = 3;
foreach (var s in instance.FontSizeStack)
{
if (s != null)
{
prevSize = s.Value;
break;
}
}
}
if (rel[0] == '+')
{
size = prevSize + val;
}
else
{
size = prevSize - val;
}
}
instance.FontSizeStack.AddFirst(size);
}
else
{
instance.FontSizeStack.AddFirst((int?)null);
}
}
else
{
instance.FontSizeStack.AddFirst((int?)null);
}
return(false);
}
public bool End(BoilerpipeHtmlContentHandler instance, string uri, string localName, string qName)
{
if (--instance.InAnchor == 0)
{
if (instance.InIgnorableElement == 0)
{
instance.AddWhitespaceIfNecessary();
instance.TokenBuffer.Append(BoilerpipeHtmlContentHandler.ANCHOR_TEXT_END);
instance.TokenBuffer.Append(' ');
instance.SbLastWasWhitespace = true;
}
}
return(false);
}
public bool Start(BoilerpipeHtmlContentHandler instance, string uri, string localName, string qName, IAttributes attributes)
{
if (instance.InAnchor++ > 0)
{
// as nested A elements are not allowed per specification, we
// are probably reaching this branch due to a bug in the XML
// parser
Console.Error.WriteLine(
"Warning: Input contains nested A elements -- You have probably hit a bug in your HTML parser. Please clean the HTML externally and feed it to boilerpipe again. Trying to recover somehow...");
End(instance, uri, localName, qName);
}
if (instance.InIgnorableElement == 0)
{
instance.AddWhitespaceIfNecessary();
instance.TokenBuffer.Append(BoilerpipeHtmlContentHandler.ANCHOR_TEXT_START);
instance.TokenBuffer.Append(' ');
instance.SbLastWasWhitespace = true;
}
return(false);
}
/// <summary>
/// Constructs a <see cref="BoilerpipeHtmlParser"/> using the given <see cref="IContentHandler" />.
/// </summary>
/// <param name="contentHandler">the <see cref="IContentHandler" /> to use</param>
public BoilerpipeHtmlParser(BoilerpipeHtmlContentHandler contentHandler)
{
SetContentHandler(contentHandler);
}
public bool End(BoilerpipeHtmlContentHandler instance, string uri, string localName, string qName)
{
instance.FlushBlock();
instance.InBody--;
return(false);
}
public bool Start(BoilerpipeHtmlContentHandler instance, string uri, string localName, string qName, IAttributes attributes)
{
instance.FlushBlock();
instance.InBody++;
return(false);
}
public bool End(BoilerpipeHtmlContentHandler instance, string uri, string localName, string qName)
{
instance.AddWhitespaceIfNecessary();
return(false);
}
public bool Start(BoilerpipeHtmlContentHandler instance, string uri, string localName, string qName, IAttributes attributes)
{
return(t1.Start(instance, uri, localName, qName, attributes) | t2.Start(instance, uri, localName, qName, attributes));
}
public bool End(BoilerpipeHtmlContentHandler instance, string uri, string localName, string qName)
{
return(false);
}
public bool Start(BoilerpipeHtmlContentHandler instance, string uri, string localName, string qName, IAttributes attributes)
{
return(false);
}
public bool End(BoilerpipeHtmlContentHandler instance, string uri, string localName, string qName)
{
instance.InIgnorableElement--;
return(true);
}
public bool Start(BoilerpipeHtmlContentHandler instance, string uri, string localName, string qName, IAttributes attributes)
{
instance.InIgnorableElement++;
return(true);
}
public bool End(BoilerpipeHtmlContentHandler instance, string uri, string localName, string qName)
{
instance.FontSizeStack.RemoveFirst();
return(false);
}
public bool End(BoilerpipeHtmlContentHandler instance, string uri, string localName, string qName)
{
return(t1.End(instance, uri, localName, qName) | t2.End(instance, uri, localName, qName));
}
public void SetContentHandler(BoilerpipeHtmlContentHandler contentHandler)
{
_contentHandler = contentHandler;
}
public bool Start(BoilerpipeHtmlContentHandler instance, string uri, string localName, string qName, IAttributes attributes)
{
instance.AddWhitespaceIfNecessary();
return(false);
}
public void SetContentHandler(IContentHandler contentHandler)
{
_contentHandler = null;
}
public bool Start(BoilerpipeHtmlContentHandler instance, string uri, string localName, string qName, IAttributes attributes)
{
instance.AddLabelAction(_action);
return(true);
}