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Added support for LSTB lists of length zero.

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This commit is contained in:
Uli Kusterer 2003-08-09 01:43:27 +02:00
parent ef49978240
commit c2987b5297
1 changed files with 14 additions and 3 deletions
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17
NuTemplateEditor/NuTemplateLSTBElement.m
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@ -29,14 +29,18 @@
{ {
NSEnumerator *enny = [subElements objectEnumerator]; NSEnumerator *enny = [subElements objectEnumerator];
NuTemplateElement *el, *nextItem; NuTemplateElement *el, *nextItem;
unsigned int bytesToGoAtStart = [stream bytesToGo];
// Fill this first list element with data: /* Fill this first list element with data:
If there is no more data in the stream, the items will
fill themselves with default values. */
while( el = [enny nextObject] ) while( el = [enny nextObject] )
{ {
[el readDataFrom: stream containingArray: subElements]; [el readDataFrom: stream containingArray: subElements];
} }
// Read additional elements until we have enough items: /* Read additional elements until we have enough items,
except if we're not the first item in our list. */
if( containing != nil ) if( containing != nil )
{ {
while( [stream bytesToGo] > 0 ) while( [stream bytesToGo] > 0 )
@ -50,7 +54,14 @@
NuTemplateLSTEElement* tlee; NuTemplateLSTEElement* tlee;
tlee = [NuTemplateLSTEElement elementForType:@"LSTE" withLabel:label]; tlee = [NuTemplateLSTEElement elementForType:@"LSTE" withLabel:label];
[containing addObject: tlee]; [containing addObject: tlee];
[tlee setSubElements: [subElements copy]];
if( bytesToGoAtStart == 0 ) // It's an empty list. Delete this LSTB again, so we only have the empty LSTE.
{
[tlee setSubElements: subElements]; // Take over the LSTB's sub-elements.
[containing removeObject:self]; // Remove the LSTB.
}
else
[tlee setSubElements: [subElements copy]]; // Make a copy. So each has its own array.
} }
} }