PPFlattenParser.st
changeset 0 739fe9b7253e
child 4 90de244a7fa2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PPFlattenParser.st	Thu Aug 18 20:56:17 2011 +0200
@@ -0,0 +1,37 @@
+"{ Package: 'squeak:petitparser' }"
+
+PPDelegateParser subclass:#PPFlattenParser
+	instanceVariableNames:''
+	classVariableNames:''
+	poolDictionaries:''
+	category:'PetitParser-Parsers'
+!
+
+PPFlattenParser comment:'A parser that answers a flat copy of the range my delegate parses.'
+!
+
+
+!PPFlattenParser methodsFor:'hooks'!
+
+create: aCollection start: aStartInteger stop: aStopInteger
+	^ aCollection copyFrom: aStartInteger to: aStopInteger
+! !
+
+!PPFlattenParser methodsFor:'parsing'!
+
+parseOn: aStream
+	| start element stop |
+	start := aStream position.
+	element := parser parseOn: aStream.
+	element isPetitFailure ifTrue: [
+		aStream position: start.
+		^ element ].
+	stop := aStream position.
+	^ self create: aStream collection start: start + 1 stop: stop
+! !
+
+!PPFlattenParser class methodsFor:'documentation'!
+
+version_SVN
+    ^ '$Id: PPFlattenParser.st,v 1.1 2011-08-18 18:56:17 cg Exp $'
+! !