/// <summary>
/// Initializes a new instance of the HtmlNavigator and loads an HTML document from a stream.
/// </summary>
/// <param name="stream">The input stream.</param>
/// <param name="detectEncodingFromByteOrderMarks">Indicates whether to look for byte order marks at the beginning of the stream.</param>
public HtmlNodeNavigator(Stream stream, bool detectEncodingFromByteOrderMarks)
{
_doc = new HtmlDocument();
_nametable = new HtmlNameTable();
_doc.Load(stream, detectEncodingFromByteOrderMarks);
Reset();
}
internal HtmlNodeNavigator(HtmlDocument doc, HtmlNode currentNode)
{
if (currentNode == null)
{
throw new ArgumentNullException("currentNode");
}
if (currentNode.OwnerDocument != doc)
{
throw new ArgumentException(HtmlDocument.HtmlExceptionRefNotChild);
}
if (doc == null)
{
// keep in message, currentNode.OwnerDocument also null.
throw new Exception("Oops! The HtmlDocument cannot be null.");
}
#if TRACE_NAVIGATOR
InternalTrace(null);
#endif
_doc = doc;
_nametable = new HtmlNameTable();
Reset();
_currentnode = currentNode;
}
/// <summary>
/// Initializes a new instance of the HtmlNavigator and loads an HTML document from a stream.
/// </summary>
/// <param name="stream">The input stream.</param>
public HtmlNodeNavigator(Stream stream)
{
_doc = new HtmlDocument();
_nametable = new HtmlNameTable();
_doc.Load(stream);
Reset();
}
/// <summary>
/// Initializes a new instance of the HtmlNavigator and loads an HTML document from a file.
/// </summary>
/// <param name="path">The complete file path to be read.</param>
/// <param name="encoding">The character encoding to use.</param>
/// <param name="detectEncodingFromByteOrderMarks">Indicates whether to look for byte order marks at the beginning of the file.</param>
/// <param name="buffersize">The minimum buffer size.</param>
public HtmlNodeNavigator(string path, Encoding encoding, bool detectEncodingFromByteOrderMarks, int buffersize)
{
_doc = new HtmlDocument();
_nametable = new HtmlNameTable();
_doc.Load(path, encoding, detectEncodingFromByteOrderMarks, buffersize);
Reset();
}
/// <summary>
/// Initializes a new instance of the HtmlNavigator and loads an HTML document from a file.
/// </summary>
/// <param name="path">The complete file path to be read.</param>
/// <param name="encoding">The character encoding to use.</param>
public HtmlNodeNavigator(string path, Encoding encoding)
{
_doc = new HtmlDocument();
_nametable = new HtmlNameTable();
_doc.Load(path, encoding);
Reset();
}
/// <summary>
/// Initializes a new instance of the HtmlNavigator and loads an HTML document from a TextReader.
/// </summary>
/// <param name="reader">The TextReader used to feed the HTML data into the document.</param>
public HtmlNodeNavigator(TextReader reader)
{
_doc = new HtmlDocument();
_nametable = new HtmlNameTable();
_doc.Load(reader);
Reset();
}
private HtmlNodeNavigator(HtmlNodeNavigator nav)
{
if (nav == null)
{
throw new ArgumentNullException("nav");
}
#if TRACE_NAVIGATOR
InternalTrace(null);
#endif
_doc = nav._doc;
_currentnode = nav._currentnode;
_attindex = nav._attindex;
_nametable = nav._nametable; // REVIEW: should we do this?
}
internal HtmlNodeNavigator()
{
_doc = new HtmlDocument();
_nametable = new HtmlNameTable();
Reset();
}