2007-09-20 18:09:08 -04:00
|
|
|
! Copyright (C) 2005, 2006 Daniel Ehrenberg
|
|
|
|
|
! See http://factorcode.org/license.txt for BSD license.
|
2008-03-01 17:00:45 -05:00
|
|
|
IN: xml.tests
|
2007-09-20 18:09:08 -04:00
|
|
|
USING: xml io kernel math sequences strings xml.utilities tools.test math.parser ;
|
|
|
|
|
|
|
|
|
|
PROCESS: calculate ( tag -- n )
|
|
|
|
|
|
|
|
|
|
: calc-2children ( tag -- n n )
|
|
|
|
|
children-tags first2 >r calculate r> calculate ;
|
|
|
|
|
|
|
|
|
|
TAG: number calculate
|
|
|
|
|
children>string string>number ;
|
|
|
|
|
TAG: add calculate
|
|
|
|
|
calc-2children + ;
|
|
|
|
|
TAG: minus calculate
|
|
|
|
|
calc-2children - ;
|
|
|
|
|
TAG: times calculate
|
|
|
|
|
calc-2children * ;
|
|
|
|
|
TAG: divide calculate
|
|
|
|
|
calc-2children / ;
|
|
|
|
|
TAG: neg calculate
|
|
|
|
|
children-tags first calculate neg ;
|
|
|
|
|
|
|
|
|
|
: calc-arith ( string -- n )
|
|
|
|
|
string>xml first-child-tag calculate ;
|
|
|
|
|
|
|
|
|
|
[ 32 ] [
|
|
|
|
|
"<math><times><add><number>1</number><number>3</number></add><neg><number>-8</number></neg></times></math>"
|
|
|
|
|
calc-arith
|
|
|
|
|
] unit-test
|
