/// <summary>
/// Searches the last segment.
/// </summary>
/// <param name="state">The state.</param>
/// <returns></returns>
public int SearchLastSegment(SearchMarkState <T> state)
{
if (m_segments.Count <= 0)
{
return(-1);
}
var lastSegment = m_segments[m_segments.Count - 1];
if (lastSegment == null)
{
return(-1);
}
var result = lastSegment.Array.SearchMark(lastSegment.Offset, lastSegment.Count, state.Mark);
if (!result.HasValue)
{
return(-1);
}
if (result.Value > 0)
{
state.Matched = 0;
return(result.Value - lastSegment.Offset + lastSegment.From);
}
state.Matched = 0 - result.Value;
return(-1);
}
/// <summary>
/// Searches the mark from source.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="source">The source.</param>
/// <param name="offset">The offset.</param>
/// <param name="length">The length.</param>
/// <param name="searchState">State of the search.</param>
/// <returns></returns>
public static int SearchMark <T>(this IList <T> source, int offset, int length, SearchMarkState <T> searchState)
where T : IEquatable <T>
{
int?result = source.SearchMark(offset, length, searchState.Mark, searchState.Matched);
if (!result.HasValue)
{
searchState.Matched = 0;
return(-1);
}
if (result.Value < 0)
{
searchState.Matched = 0 - result.Value;
return(-1);
}
searchState.Matched = 0;
return(result.Value);
}