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Aminet 13 - August 1996.iso
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StringNode.lha
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stringnode
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examples
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StringNode_Example3.e
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1996-01-08
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/*
** StringNode Example-3
**
** add(), item(), push() AND pop() methods.
**
** (C)Copyright 1995 Fabio Rotondo
**
** e-mail: fosft@intercom.it
*/
MODULE 'fabio/StringNode_oo', -> Our MAGIC MODULE
'tools/exceptions'
PROC main() HANDLE
DEF n:PTR TO stringnode -> This is our OBJECT instance
NEW n.stringnode() -> OBJECT initialization
n.add('Zorro') -> Here we add some items...
n.add('Batman')
n.add('Superman')
n.add('Gold Drake')
n.add('Mandrake')
n.add('MOMMY')
shwall(n) -> Here we see them
n.item(2) -> Let's pos us on item 2
WriteF('Current:\s\n', n.obj())
n.push() -> Here we memorize our position
n.item(5) -> Let's pos us on item 5
WriteF('Current:\s\n', n.obj())
n.pop() -> Here we RETURN TO item 2!!!
WriteF('Current:\s\n', n.obj())
n.item(99) -> What??!?!?! This item DOES NOT EXISTS!!!
WriteF('Current:\s\n', n.obj()) -> Is it safe enought??
EXCEPT DO
END n -> Remember ALWAYS TO end an OBJECT
CleanUp(0)
ENDPROC
PROC shwall(n:PTR TO stringnode)
WriteF('------- \d ----------\n', n.numitems())
IF n.first() -> Here we go TO the first node item
REPEAT
WriteF('Node:\s\n', n.obj()) -> Node STRING...
UNTIL n.succ() = FALSE -> LOOP UNTIL the end
ELSE
WriteF('No Nodes in LIST...\n')
ENDIF
ENDPROC