protected LexicalUnit functionInternal ( final LexicalUnit prev , final String funct , final LexicalUnit params ) { if ( "counter(" . equalsIgnoreCase ( funct ) ) { return LexicalUnitImpl . createCounter ( prev , params ) ; } else if ( "counters(" . equalsIgnoreCase ( funct ) ) { return LexicalUnitImpl . createCounters ( prev , params ) ; } else if ( "attr(" . equalsIgnoreCase ( funct ) ) { return LexicalUnitImpl . createAttr ( prev , params . getStringValue ( ) ) ; } else if ( "rect(" . equalsIgnoreCase ( funct ) ) { return LexicalUnitImpl . createRect ( prev , params ) ; } else if ( "rgb(" . equalsIgnoreCase ( funct ) ) { return LexicalUnitImpl . createRgbColor ( prev , params ) ; } return LexicalUnitImpl . createFunction ( prev , funct . substring ( 0 , funct . length ( ) - 1 ) , params ) ; }
Process a function decl .