final boolean 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 ; }
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 .