public StringParser(URL url)
: this(url.GetHTML())
{
}
public StringParser(URL url, Encoding encoding)
: this(url.GetHTML(encoding))
{
}
/// <summary>
/// Reads a <see cref="URL"/> address using the specified encoding.
/// </summary>
/// <param name="url">The <see cref="URL"/> to read.</param>
/// <param name="encoding">The encoding used for reading.</param>
/// <returns>An object of type <typeparamref name="T"/> or one of it derivatives, that represents the loaded page.
/// This is read from buffer, if preloaded; or via the <see cref="Convert"/> method, if not.</returns>
protected T ReadURL(URL url, Encoding encoding)
{
if (url == null)
{
throw new ArgumentNullException("url");
}
if (encoding == null)
{
throw new ArgumentNullException("encoding");
}
url = translate(url);
T item = null;
if (itemDictionary.ContainsKey(url))
{
item = itemDictionary[url];
}
if (item == null)
{
if (fileDictionary.ContainsKey(url))
{
string html;
URL responseURL;
using (FileStream fs = new FileStream(this.filepath, FileMode.Open))
fileDictionary[url].Read(fs, out html, out responseURL);
item = Convert(html, url, responseURL);
if (item == null)
{
throw new InvalidOperationException("The " + typeof(Convert).Name + " method may not return null.");
}
item.Buffer = this;
if (itemDictionary.ContainsKey(url))
{
itemDictionary[url] = item;
}
else
{
itemDictionary.Add(url, item);
}
}
else
{
URL newurl;
string html = url.GetHTML(encoding, out newurl);
newurl = translate(newurl);
item = Convert(html, url, newurl);
if (item == null)
{
throw new InvalidOperationException("The " + typeof(Convert).Name + " method may not return null.");
}
item.Buffer = this;
itemDictionary.Add(url, item);
if (url != newurl && !itemDictionary.ContainsKey(newurl))
{
T item2 = Convert(html, newurl, newurl);
if (item2 == null)
{
throw new InvalidOperationException("The " + typeof(Convert).Name + " method may not return null.");
}
item2.Buffer = this;
itemDictionary.Add(newurl, item2);
}
}
}
return(item);
}
