/// ------------------------------------------------------------------------------------
/// <summary>
/// Clones this instance.
/// </summary>
/// ------------------------------------------------------------------------------------
public FeatureMask Clone()
{
FeatureMask clone = new FeatureMask(m_size);
m_masks.CopyTo(clone.m_masks, 0);
return(clone);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Returns a value indicating whether or not one or more features in the specified
/// mask are contained within this mask instance.
/// </summary>
/// ------------------------------------------------------------------------------------
public bool ContainsOneOrMore(FeatureMask mask, bool throwWhenBitCountMismatch)
{
for (int i = 0; i < Math.Min(m_maskCount, mask.m_maskCount); i++)
{
if ((m_masks[i] & mask.m_masks[i]) > 0)
{
return(true);
}
}
return(false);
}
/// ------------------------------------------------------------------------------------
public void SetDefaultBFeatures(IEnumerable <string> featureNames)
{
_defaultBMask = null;
if (featureNames == null)
{
return;
}
var list = featureNames.ToList();
if (list.Count > 0)
{
_defaultBMask = App.BFeatureCache.GetMask(list);
}
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// ORs the the mask with the specified mask and returns a value indicating whether or
/// not the bitwise AND operation yields a non-zero result.
/// </summary>
/// ------------------------------------------------------------------------------------
public static FeatureMask operator |(FeatureMask m1, FeatureMask m2)
{
if (m1.m_size != m2.m_size)
{
throw new ArgumentException(kBitSizeMismatchMsg);
}
var result = new FeatureMask(m1.m_size);
for (int i = 0; i < m1.m_maskCount; i++)
{
result.m_masks[i] = (m1.m_masks[i] | m2.m_masks[i]);
}
return(result);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Gets an array of feature names for the features in the specified masks.
/// </summary>
/// ------------------------------------------------------------------------------------
public IEnumerable <string> GetFeatureList(FeatureMask mask, bool sorted)
{
if (mask == null)
{
return(new List <string>());
}
var list = (from feature in Values
where mask[feature.Bit]
select feature.Name).ToList();
if (sorted)
{
list.Sort();
}
return(list);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Returns a value indicating whether or not all the features in the specified mask
/// are contained within this mask instance.
/// </summary>
/// ------------------------------------------------------------------------------------
public bool ContainsAll(FeatureMask mask)
{
if (m_maskCount != mask.m_maskCount)
{
throw new ArgumentException(kBitSizeMismatchMsg);
}
if (mask.IsEmpty || !mask.IsAnyBitSet)
{
return(false);
}
for (int i = 0; i < m_maskCount; i++)
{
if ((m_masks[i] & mask.m_masks[i]) != mask.m_masks[i])
{
return(false);
}
}
return(true);
}
/// ------------------------------------------------------------------------------------
public void SetBFeatures(IEnumerable <string> featureNames)
{
Debug.Assert(featureNames != null);
_bMask = App.BFeatureCache.GetMask(featureNames.ToList());
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Returns a value indicating whether or not one or more features in the specified
/// mask are contained within this mask instance.
/// </summary>
/// ------------------------------------------------------------------------------------
public bool ContainsOneOrMore(FeatureMask mask)
{
return(ContainsOneOrMore(mask, true));
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Gets an array of sorted feature names for the features in the specified masks.
/// </summary>
/// ------------------------------------------------------------------------------------
public IEnumerable <string> GetFeatureList(FeatureMask mask)
{
return(GetFeatureList(mask, true));
}