/// <summary>
/// Changes the <Fld>ReadState</Fld> to Closed.
/// </summary>
/// <remarks>
/// This method changes ReadState to Closed and also releases any resources held while reading
/// including calling Close on the underlying stream. If Close has already been called,
/// no action is performed.
/// <para>
/// The caller should no longer call methods on this object after calling <Mth>Close</Mth> or
/// <Mth>Dispose</Mth>.
/// </para>
/// </remarks>
internal void Close()
{
m_readState = ReadState.Closed;
if (m_streamReader != null)
{
m_streamReader.BaseStream.Close();
m_streamReader.Close();
m_streamReader = null;
}
if (m_htmlNodeParser != null)
{
m_htmlNodeParser.Close();
m_htmlNodeParser = null;
}
}
/// <summary>
/// Initializes a new instance of <Typ>HtmlTextReader</Typ>.
/// </summary>
/// <remarks>
/// The caller should ensure the <paramref name="stream"/> has an efficient, high performance, ReadByte()
/// method. For instance, use <Typ>BufferedStream</Typ>. The <paramref name="stream"/> must be readable
/// and seekable.
/// </remarks>
/// <exception cref="ArgumentException">The <paramref name="stream"/>is invalid (not readable or not seekable.)</exception>
/// <exception cref="ArgumentNullException">The <paramref name="stream"/> is null.</exception>
/// <param name="stream">Stream containing the data to parse.</param>
internal HtmlTextReader(Stream stream)
{
if (stream == null) throw new ArgumentNullException("stream");
if (!stream.CanRead || !stream.CanSeek) throw new ArgumentException(Resources.StreamMustReadAndSeek, "stream");
m_streamReader = new StreamReader(stream);
m_htmlNodeParser = new HtmlNodeParser(m_streamReader);
m_nameTable = new NameTable();
m_xmlNamespaceManager = new XmlNamespaceManager(m_nameTable);
}
