boolean ancestorIsOk ( ElemTemplateElement child ) { while ( child . getParentElem ( ) != null && ! ( child . getParentElem ( ) instanceof ElemExsltFunction ) ) { ElemTemplateElement parent = child . getParentElem ( ) ; if ( parent instanceof ElemExsltFuncResult || parent instanceof ElemVariable || parent instanceof ElemParam || parent instanceof ElemMessage ) return true ; child = parent ; } return false ; }
Verify that a literal result belongs to a result element a variable or a parameter .