search method
Implementation
ClipFuncData? search( String name, bool updateCnt, [String? nameSpace] ){
int tmp = name.indexOf( ":" );
if( tmp == 0 ){
name = name.substring( 1 );
} else if( (nameSpace != null) && (tmp < 0) ){
name = "$nameSpace:$name";
}
ClipFuncData? cur = _top;
while( cur != null ){
if( name == cur._info!._name ){
if( updateCnt ){
cur._info!._cnt++;
}
return cur;
}
cur = cur._next;
}
return null;
}