content.txt
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!1 Expressions using the ${= =} mark up
!3 Syntax:
'''{{{ $!--!{= expression =} }}}'''
An expression may be a combination of constants, variables, and opertors. All internal calculations use the Java ''double'' numeric type.
!3 Operators supported
|Comment |!note Spaces between items are optional |
|'''Operator'''|'''Argument''' |'''Description''' |
|!c ''arg'' |''constant or variable'' |Examples: 3 12.4 4E+8 $!--!{VALUE} $!--!{some.var} |
|!c ''expr'' |!c ''expression'' |Any valid combination of arguments and optional operations and parentheses|
|!c '''+''' |!c ''expr'' + ''expr'' |Addition |
|!c '''-''' |!c -''expr'' |Unary negation |
|!c '''-''' |!c ''expr'' - ''expr'' |Subtraction |
|!c '''!-*-!'''|!c ''expr'' !-*-! ''expr''|Multiplication |
|!c '''/''' |!c ''expr'' / ''expr'' |Division |
|!c '''^''' |!c ''expr'' ^ ''expr'' |Exponentiation |
|!c '''sin''' |!c sin ''expr'' |Radian Sine of ''expr'' |
|!c '''cos''' |!c cos ''expr'' |Radian Cosine of ''expr'' |
|!c '''tan ''' |!c cos ''expr'' |Radian Tangent of ''expr'' |
|!c '''( )''' |!c ( ''expr'' ) |Parenthetical grouping of an expression |
#-----------------------------------------------------------------
-----
!3 Test Blank Expressions
''' Build blank expression page '''
!|script|
|start|Page Builder |
|line|!- ~1a:${==}~ -!|
|line|!- ~1b:${= =}~ -!|
|line|!- ~1c:${= =}~ -!|
|page|ExpressionPage |
''' Render it '''
!|Response Requester|
|uri |valid?|
|ExpressionPage|true |
!**> Contents
!|Response Examiner|
|type |string?|
|contents| |
!|Response Examiner|
|type |wrapped html?|
|contents| |
***!
''' Verify results '''
!|Response Examiner|
|type |pattern|matches?|
|contents|~1a:~ |true |
|contents|~1b:~ |true |
|contents|~1c:~ |true |
-----
!3 Test Single Argument Expressions
''' Build expression page '''
!|script|
|start|Page Builder |
|line|!- ~2a:${=3=}~ -! |
|line|!- ~2b:${= 4.2 =}~ -! |
|line|!- ~2c:${= 2E+1 =}~ -! |
|line|!- ~2d:${= 2.3E+42 =}~ -! |
|line|!- ~2e:${= 4.2E + 24 =}~ -!|
|page|ExpressionPage |
''' Render it '''
!|Response Requester|
|uri |valid?|
|ExpressionPage|true |
!**> Contents
!|Response Examiner|
|type |string?|
|contents| |
!|Response Examiner|
|type |wrapped html?|
|contents| |
***!
''' Verify results '''
!|Response Examiner|
|type |pattern |matches?|
|contents|~2a:3~ |true |
|contents|~2b:4.2~ |true |
|contents|~2c:20~ |true |
|contents|~2d:2.3E+42~|true |
|contents|~2e:4.2E+24~|true |
#-----------------------------------------------------------------
-----
!3 Test spaces around experssions
''' Build expression page '''
!|script|
|start|Page Builder |
|line|!- ~3a:${=1+1=}~ -! |
|line|!- ~3b:${=2 + 2=}~ -! |
|line|!- ~3c:${= 3 + 3=}~ -!|
|line|!- ~3d:${=4 + 4 =}~ -!|
|line|!- ~3e:${=5 +5 =}~ -! |
|page|ExpressionPage |
''' Render it '''
!|Response Requester|
|uri |valid?|
|ExpressionPage|true |
!**> Contents
!|Response Examiner|
|type |string?|
|contents| |
!|Response Examiner|
|type |wrapped html?|
|contents| |
***!
''' Verify results '''
!|Response Examiner|
|type |pattern|matches?|
|contents|~3a:2~ |true |
|contents|~3b:4~ |true |
|contents|~3c:6~ |true |
|contents|~3d:8~ |true |
|contents|~3e:10~|true |
#-----------------------------------------------------------------
-----
!3 Test each operator
''' Build expression page '''
!|script|
|start|Page Builder |
|line|!- ~4plus:${= 1 + 2 =}~ -! |
|line|!- ~4minus:${= 2 - 3 =}~ -! |
|line|!- ~4unary:${= -12 =}~ -! |
|line|!- ~4mult:${= 3 * 4 =}~ -! |
|line|!- ~4div:${= 4 / 5 =}~ -! |
|line|!- ~4exp:${=%2d: 5 ^ 6 =}~ -! |
|line|!- ~4sin1:${=%5.4f: sin0.39269875 =}~ -!|
|line|!- ~4sin2:${=%5.4f: sin 0.39269875 =}~ -!|
|line|!- ~4sin3:${=%5.4f: sin(0.39269875) =}~ -!|
|line|!- ~4sin4:${=%5.4f: sin(3.14159/8) =}~ -!|
|line|!- ~4sin5:${=%5.4f: sin (3.14159/8) =}~ -!|
|line|!- ~4cos:${=%5.4f: cos(3.14159 / 8) =}~ -!|
|line|!- ~4tan:${=%5.4f: tan(3.14159 / 8) =}~ -!|
|page|ExpressionPage |
''' Render it '''
!|Response Requester|
|uri |valid?|
|ExpressionPage|true |
!**> Contents
!|Response Examiner|
|type |string?|
|contents| |
!|Response Examiner|
|type |wrapped html?|
|contents| |
***!
''' Verify results '''
!|Response Examiner|
|type |pattern |matches?|
|contents|~4plus:3~ |true |
|contents|~4minus:-1~ |true |
|contents|~4unary:-12~ |true |
|contents|~4mult:12~ |true |
|contents|~4div:0.8~ |true |
|contents|~4exp:15625~ |true |
|contents|~4sin1:0.3827~|true |
|contents|~4sin2:0.3827~|true |
|contents|~4sin3:0.3827~|true |
|contents|~4sin4:0.3827~|true |
|contents|~4sin5:0.3827~|true |
|contents|~4cos:0.9239~ |true |
|contents|~4tan:0.4142~ |true |
#-----------------------------------------------------------------
-----
!3 Test parentheses
''' Build expression page '''
!|script|
|start|Page Builder |
|line|!- ~5a:${= 2 * 3 + 4 / 2 - 3 =}~ -!|
|line|!- ~5b:${= 2 * ( 3 + 4 ) / 2 - 3 =}~ -!|
|line|!- ~5c:${= 2 * ( 3 + 4 ) / ( 2 - 3 ) =}~ -!|
|line|!- ~5d:${= 2 * ( 3 + ( 4 / ( 2 - 3 ) ) ) =}~ -!|
|page|ExpressionPage |
''' Render it '''
!|Response Requester|
|uri |valid?|
|ExpressionPage|true |
!**> Contents
!|Response Examiner|
|type |string?|
|contents| |
!|Response Examiner|
|type |wrapped html?|
|contents| |
***!
''' Verify results '''
!|Response Examiner|
|type |pattern |matches?|
|contents|~5a:5~ |true |
|contents|~5b:4~ |true |
|contents|~5c:-14~|true |
|contents|~5d:-2~ |true |
#-----------------------------------------------------------------
#-----------------------------------------------------------------
#-----------------------------------------------------------------