/// <summary>
/// Internal method. Returns true if this rule matches the given index value.
/// The index value is an 8-bit integer, 0..255, representing the low byte of
/// the first character of the key. It matches this rule if it matches the
/// first character of the key, or if the first character of the key is a
/// set, and the set contains any character with a low byte equal to the
/// index value. If the rule contains only ante context, as in foo)>bar, then
/// it will match any key.
/// </summary>
///
internal bool MatchesIndexValue(int v)
{
// Delegate to the key, or if there is none, to the postContext.
// If there is neither then we match any key; return true.
UnicodeMatcher m = (key != null) ? key : postContext;
return((m != null) ? m.MatchesIndexValue(v) : true);
}
/// <summary>
/// Implement UnicodeMatcher
/// </summary>
///
public virtual bool MatchesIndexValue(int v)
{
if (pattern.Length == 0)
{
return(true);
}
int c = IBM.ICU.Text.UTF16.CharAt(pattern, 0);
UnicodeMatcher m = data.LookupMatcher(c);
return((m == null) ? ((c & 0xFF) == v) : m.MatchesIndexValue(v));
}
/// <summary>
/// Implement UnicodeMatcher API
/// </summary>
///
public virtual bool MatchesIndexValue(int v)
{
return((minCount == 0) || matcher.MatchesIndexValue(v));
}
