/// <summary>
/// Implementation of UnicodeMatcher API. Union the set of all characters
/// that may be matched by this object into the given set.
/// </summary>
///
/// <param name="toUnionTo">the set into which to union the source characters</param>
/// @returns a reference to toUnionTo
public virtual void AddMatchSetTo(UnicodeSet toUnionTo)
{
if (maxCount > 0)
{
matcher.AddMatchSetTo(toUnionTo);
}
}
/// <summary>
/// Implementation of UnicodeMatcher API. Union the set of all characters
/// that may be matched by this object into the given set.
/// </summary>
///
/// <param name="toUnionTo">the set into which to union the source characters</param>
public virtual void AddMatchSetTo(UnicodeSet toUnionTo)
{
int ch;
for (int i = 0; i < pattern.Length; i += IBM.ICU.Text.UTF16.GetCharCount(ch))
{
ch = IBM.ICU.Text.UTF16.CharAt(pattern, i);
UnicodeMatcher matcher = data.LookupMatcher(ch);
if (matcher == null)
{
toUnionTo.Add(ch);
}
else
{
matcher.AddMatchSetTo(toUnionTo);
}
}
}
/// <summary>
/// Union the set of all characters that may be modified by this rule into
/// the given set.
/// </summary>
///
internal void AddSourceSetTo(UnicodeSet toUnionTo)
{
int limit = anteContextLength + keyLength;
for (int i = anteContextLength; i < limit;)
{
int ch = IBM.ICU.Text.UTF16.CharAt(pattern, i);
i += IBM.ICU.Text.UTF16.GetCharCount(ch);
UnicodeMatcher matcher = data.LookupMatcher(ch);
if (matcher == null)
{
toUnionTo.Add(ch);
}
else
{
matcher.AddMatchSetTo(toUnionTo);
}
}
}
