PPActionParser.st
changeset 0 739fe9b7253e
child 4 90de244a7fa2
equal deleted inserted replaced
-1:000000000000 0:739fe9b7253e
       
     1 "{ Package: 'squeak:petitparser' }"
       
     2 
       
     3 PPDelegateParser subclass:#PPActionParser
       
     4 	instanceVariableNames:'block'
       
     5 	classVariableNames:''
       
     6 	poolDictionaries:''
       
     7 	category:'PetitParser-Parsers'
       
     8 !
       
     9 
       
    10 PPActionParser comment:'A parser that performs an action block with the successful parse result of the delegate.
       
    11 Instance Variables:
       
    12 	block	<BlockClosure>	The action block to be executed.
       
    13 '
       
    14 !
       
    15 
       
    16 
       
    17 !PPActionParser class methodsFor:'instance creation'!
       
    18 
       
    19 on: aParser block: aBlock
       
    20 	^ (self on: aParser) setBlock: aBlock
       
    21 ! !
       
    22 
       
    23 !PPActionParser methodsFor:'accessing'!
       
    24 
       
    25 block
       
    26 	"Answer the action block of the receiver."
       
    27 
       
    28 	^ block
       
    29 ! !
       
    30 
       
    31 !PPActionParser methodsFor:'initialization'!
       
    32 
       
    33 setBlock: aBlock
       
    34 	block := aBlock
       
    35 ! !
       
    36 
       
    37 !PPActionParser methodsFor:'parsing'!
       
    38 
       
    39 parseOn: aStream
       
    40 	| element |
       
    41 	^ (element := parser parseOn: aStream) isPetitFailure
       
    42 		ifFalse: [ block value: element ]
       
    43 		ifTrue: [ element ]
       
    44 ! !
       
    45 
       
    46 !PPActionParser class methodsFor:'documentation'!
       
    47 
       
    48 version_SVN
       
    49     ^ '$Id: PPActionParser.st,v 1.1 2011-08-18 18:56:17 cg Exp $'
       
    50 ! !