initial checkin
authorClaus Gittinger <cg@exept.de>
Tue, 04 Mar 2014 15:32:47 +0100
changeset 167 f7d5e10c3fe8
parent 166 749f1a5c6d3e
child 168 9fa394e40830
initial checkin
PPLazyRepeatingParser.st
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PPLazyRepeatingParser.st	Tue Mar 04 15:32:47 2014 +0100
@@ -0,0 +1,43 @@
+"{ Package: 'stx:goodies/petitparser' }"
+
+PPLimitedRepeatingParser subclass:#PPLazyRepeatingParser
+	instanceVariableNames:''
+	classVariableNames:''
+	poolDictionaries:''
+	category:'PetitParser-Parsers'
+!
+
+
+!PPLazyRepeatingParser methodsFor:'parsing'!
+
+parseOn: aStream
+	| start element elements |
+	start := aStream position.
+	elements := OrderedCollection new.
+	[ elements size < min ] whileTrue: [
+		(element := parser parseOn: aStream) isPetitFailure ifTrue: [
+			aStream position: start.
+			^ element ].
+		elements addLast: element ].
+	[ self matchesLimitOn: aStream ] whileFalse: [
+		elements size < max ifFalse: [
+			aStream position: start.
+			^ PPFailure message: 'overflow' at: start ].
+		element := parser parseOn: aStream.
+		element isPetitFailure ifTrue: [
+			aStream position: start.
+			^ element ].
+		elements addLast: element ].
+	^ elements asArray
+! !
+
+!PPLazyRepeatingParser class methodsFor:'documentation'!
+
+version
+    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPLazyRepeatingParser.st,v 1.1 2014-03-04 14:32:47 cg Exp $'
+!
+
+version_CVS
+    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPLazyRepeatingParser.st,v 1.1 2014-03-04 14:32:47 cg Exp $'
+! !
+