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fix: Correctly parse the reason of a spoiler 

Previously only the first child node of a spoiler was considered to
determine if there should be a spoiler reason. This was, unfortunately,
incorrect, as soon as e.g. the reason had more than one space. This is
fixed by properly iterating all child nodes to search for the reason.
This commit is contained in:
Sorunome 2021-08-16 17:37:19 +02:00 committed by Krille Fear
parent 37cfadd7e9
commit fb16b96ea6
2 changed files with 30 additions and 10 deletions
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36
lib/src/utils/markdown.dart
View File

@ -37,21 +37,35 @@ class SpoilerSyntax extends TagSyntax {
@override
Node close(InlineParser parser, Delimiter opener, Delimiter closer,
{List<Node> Function() getChildren}) {
var reason = '';
final children = getChildren();
if (children.isNotEmpty) {
final te = children[0];
if (te is Text) {
final tx = te.text;
final ix = tx.indexOf('|');
final newChildren = <Node>[];
var searchingForReason = true;
var reason = '';
for (final child in children) {
// If we already found a reason, let's just use our child nodes as-is
if (!searchingForReason) {
newChildren.add(child);
continue;
}
if (child is Text) {
final ix = child.text.indexOf('|');
if (ix > 0) {
reason = tx.substring(0, ix);
children[0] = Text(tx.substring(ix + 1));
reason += child.text.substring(0, ix);
newChildren.add(Text(child.text.substring(ix + 1)));
searchingForReason = false;
} else {
reason += child.text;
}
} else {
// if we don't have a text node as reason we just want to cancel this whole thing
break;
}
}
}
final element = Element('span', children);
element.attributes['data-mx-spoiler'] = htmlAttrEscape.convert(reason);
// if we were still searching for a reason that means there was none - use the original children!
final element =
Element('span', searchingForReason ? children : newChildren);
element.attributes['data-mx-spoiler'] =
searchingForReason ? '' : htmlAttrEscape.convert(reason);
return element;
}
}

6
test/markdown_test.dart
View File

@ -49,6 +49,12 @@ void main() {
'Snape killed <span data-mx-spoiler="">Dumbledoor</span>');
expect(markdown('Snape killed ||Story|Dumbledoor||'),
'Snape killed <span data-mx-spoiler="Story">Dumbledoor</span>');
expect(markdown('Snape killed ||Some dumb loser|Dumbledoor||'),
'Snape killed <span data-mx-spoiler="Some dumb loser">Dumbledoor</span>');
expect(markdown('Snape killed ||Some dumb loser|Dumbledoor **bold**||'),
'Snape killed <span data-mx-spoiler="Some dumb loser">Dumbledoor <strong>bold</strong></span>');
expect(markdown('Snape killed ||Dumbledoor **bold**||'),
'Snape killed <span data-mx-spoiler="">Dumbledoor <strong>bold</strong></span>');
});
test('multiple paragraphs', () {
expect(markdown('Heya!\n\nBeep'), '<p>Heya!</p>\n<p>Beep</p>');