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https://gerrit.wikimedia.org/r/mediawiki/extensions/DiscussionTools
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25272e7a4a
These changes ensure that DiscussionTools is independent of DOM
library choice, and will not break if/when Parsoid switches to an
alternate (more standards-compliant) DOM library.
We run `phan` against the Dodo standards-compliant DOM library,
so this ends up flagging uses of non-standard PHP extensions to
the DOM. These will be suppressed for now with a "Nonstandard DOM"
comment that can be grepped for, since they will eventually
will need to be rewritten or worked around.
Most frequent issues:
* Node::nodeValue and Node::textContent and Element::getAttribute()
can return null in a spec-compliant implementation. Add `?? ''` to
make spec-compliant results consistent w/ what PHP returns.
* DOMXPath doesn't accept anything except DOMDocument. These uses
should be replaced with DOMCompat::querySelectorAll() or similar
(which end up using DOMXPath under the covers for DOMDocument any way,
but are implemented more efficiently in a spec-compliant
implementation).
* A couple of times we have code like:
`while ($node->firstChild!==null) { $node = $node->firstChild; }`
and phan's analysis isn't strong enough to determine that $node is still
non-null after the while. This same issue should appear with DOMDocument
but phan doesn't complain for some reason.
One apparently legit issue:
* Node::insertBefore() is once called in a funny way which leans on
the fact that the second option is optional in PHP. This seems to be
a workaround for an ancient PHP bug, and can probably be safely
removed.
Bug: T287611
Bug: T217867
Change-Id: I3c4f41c3819770f85d68157c9f690d650b7266a3
22 lines
1.4 KiB
PHP
22 lines
1.4 KiB
PHP
<?php
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# For the purpose of phan, we're always using IDLeDOM. That avoids the
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# type variance/co-variance issues involved in teaching phan about our
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# subclasses, and also keeps us from accessing any private implementation
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# details of Dodo.
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#
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# This list should match the one in DomImpl.php in the root.
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class_alias( "Wikimedia\\IDLeDOM\\Attr", "Wikimedia\\Parsoid\\DOM\\Attr" );
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class_alias( "Wikimedia\\IDLeDOM\\CharacterData", "Wikimedia\\Parsoid\\DOM\\CharacterData" );
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class_alias( "Wikimedia\\IDLeDOM\\Comment", "Wikimedia\\Parsoid\\DOM\\Comment" );
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class_alias( "Wikimedia\\IDLeDOM\\Document", "Wikimedia\\Parsoid\\DOM\\Document" );
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class_alias( "Wikimedia\\IDLeDOM\\DocumentFragment", "Wikimedia\\Parsoid\\DOM\\DocumentFragment" );
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class_alias( "Wikimedia\\IDLeDOM\\DocumentType", "Wikimedia\\Parsoid\\DOM\\DocumentType" );
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class_alias( "Wikimedia\\IDLeDOM\\DOMException", "Wikimedia\\Parsoid\\DOM\\DOMException" );
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class_alias( "Wikimedia\\IDLeDOM\\DOMParser", "Wikimedia\\Parsoid\\DOM\\DOMParser" );
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class_alias( "Wikimedia\\IDLeDOM\\Element", "Wikimedia\\Parsoid\\DOM\\Element" );
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class_alias( "Wikimedia\\IDLeDOM\\Node", "Wikimedia\\Parsoid\\DOM\\Node" );
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class_alias( "Wikimedia\\IDLeDOM\\NodeList", "Wikimedia\\Parsoid\\DOM\\NodeList" );
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class_alias( "Wikimedia\\IDLeDOM\\ProcessingInstruction", "Wikimedia\\Parsoid\\DOM\\ProcessingInstruction" );
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class_alias( "Wikimedia\\IDLeDOM\\Text", "Wikimedia\\Parsoid\\DOM\\Text" );
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