A fun edge case where `name=""` fools both validation branches after
a references rollback, and triggered a LogicException. Stop these
freak refs.
Bug: T242437
Change-Id: I07738cce2641026dfaa92ba263ed6f9834be0944
It's possible to nest <references> by using tricky constructs like the
{{#tag function, and this breaks our rollback logic. Try to show normal
output, otherwise show an error.
Includes regression tests.
Bug: T242437
Change-Id: I33e497cdf8508ce7ccb7f0f315c00af5eee47d0e
This error happens only when previewing an edit, because some of the
validation in Cite::validateRefInReferences() is disabled in preview
mode. Unfortunately this codebase was never properly tested in preview
mode.
This patch is intentionally so small to make it easy to backport.
Tests will follow.
Bug: T242434
Change-Id: I5e529b7227598ab2acc624c90a0cb5d09b3f5452
* Always have an empty line between @param and @return to improve
readability as well as consistency within this codebase (before, both
styles have been used).
* Flip parameter order in validateRefInReferences() for consistency with
the rest of the code.
* In Cite::guardedRef() the Parser was now the 1st parameter. I changed
all related functions the same way to make the code less surprising.
* Same in CiteUnitTest. This is really just the @dataProvider. But I feel
it's still helpful to have the arguments in the same order everywhere, if
possible.
* Add a few strict type hints.
* It seems the preferred style for PHP7 return types is `… ) : string {`
with a space before the `:`. There is currently no PHPCS sniff for this.
However, I think this codebase should be consistent, one way or the other.
Change-Id: I91d232be727afd26ff20526ab4ef63aa5ba6bacf
There is currently no strict CodeSniffer rule for this. I think we
need to have one sooner or later. Anyway, what I find important is to
have a consistent code style in one codebase.
I refused to do this change previously because I don't like to mess
with Git blame if it's not really necessary. However, at this point all
code was moved around anyway.
I ended removing a comment that appears misplaced now, and doesn't help
maiing the code more readable. I like not having a dot at the end if
it's not really a sentence.
Change-Id: Id1d4f43277c69080c512c1a5ceff4c948bfa05be
In the end I don't care much if we agree on having this newline, or
not. What I care about more is that this codebase is consistent.
Personally I prefer having the newline. It creates a visible separation
between what "goes in" and what "goes out" (@throws and @return).
Change-Id: Ibc60af621132e415a5579397c01688fa21eb0be5
The logic was changed in 51ff3cc819.
Only `responsive="0"` is supposed to disable responsive references,
any other value should enable it.
Bug: T241303
Change-Id: I8c99bf93c739d6dba348785b1b6452cfce2c57c9
One of the most significant changes is when I noticed that the $group
can never be null. We set it to DEFAULT_GROUP before. That's an empty
string.
I'm not very happy with the two @phan-suppress-next-line. Is there a
better way to fix these lines?
Change-Id: I33c1681e2f3857cb6701da71f4ed8893caff4d1e
Since I3db5175 the ParserCloned hook handler does not rely on cloning
the Cite object any more. There is no cloning any more. This is dead
code and we could remove it. Just to be sure I propose to keep the
method, but let it throw an exception.
Bug: T240248
Change-Id: I2057ea652ca25f4c7031c28a6e713671738f5e22
I hope this patch is not to horrifying and can be reviewed. It's
possible to split this into a sequence of smaller patches. Please
tell me.
Change-Id: I4797fcd5612fcffb0df6c29ff575dd05f278bd4d
I feel this is a little better than before. It looks like we never need
to *replace* a text that existed before.
This depends on I4a156aa which fixes one of the last remaining trimming
issues. Outside of <references>, a <ref> </ref> with no other content
but some whitespace was already forbidden. But not inside of <references>.
This is relevant for appendText(). It should not be called with null, but
was because of the inconsistent behavior.
Change-Id: I38c9929f2fa6e69482e45919e2f8dbf823cb1c8b
Note that this patch changes behavior, an invalid "dir" will result in
a cite reference at the point where the <ref> is declared rather than
in the references section. This is consistent with other errors.
Bug: T15673
Change-Id: Id10db40aa0b391f2f1d9274aa09d22a7278d65e3
This makes one of the last remaining edge-cases about non-empty, but
non-visible content (a <ref> that only contains whitespace) behave
identical to all other places. We already reported it as being empty
everywhere else, except inside of <references>.
Note that the test cases look like they are reporting the same errors
twice. But this is not the case:
The first set of errors is about <ref name="…"> inside of <references>
not having visible content. This should always be reported, even if the
<ref> got content from somewhere else on the page.
The second set of errors is when a <ref name="…"> *never* got any
content.
This patch will slightly increase the numbers of errors reported.
Change-Id: I4a156aa9e466f735d92fe0ba5cc0678ec8bbdd50
* Use the Html class to safely create HTML code.
* $this->referenceStack can not be null any more.
* $this->inReferencesGroup is not needed during output, only when
parsing tags.
* Replace ReferencesStack::getGroupRefs() as well as deleteGroup()
with a combined popGroup() that does both things.
* Extract the code responsible for the "responsive" behavior to a
separate function.
* Some TestingAccessWrapper are not needed.
Change-Id: Ie1cf2533d7417ae2f6647664ff1145e37b814a39
In these cases, an expression is either true-ish or null, so we can use
the implicit boolean cast to test.
Change-Id: Ibe94829f9774bf2a1907635a8bd28369908b4d1e
Finishes breaking the circular reference between Cite and Parser.
This patch also demonstrates how evil it is to allow the error reporter
to be called from anywhere, and have side-effects. At least it's explicit
now.
Also fixes a bug where the inner error message would not be in the
interface language.
Bug: T240431
Change-Id: Ic3325cafb503e78295d72231ac6da5c121402def
This begins our journey of breaking the circular reference between
Cite and Parser. In later patches the child objects will also take
Parser as a parameter.
Bug: T240431
Change-Id: Ic672bb4bae19ac5f1e1f5817de171d76b3bd8786
Only create a Cite object if we need one. Never clearState, just
destroy and recreate later.
This makes it less likely that we leak state between parsers, and
saves memory and processing on pages without references.
It's also preparation to decouple Cite logic from state.
Change-Id: I3db517591f4131c23151c76c223af7419cc00ae9
* All classes are in a Cite\ namespace now. No need to repeat the word
"Cite" all over the place.
* The "key formatter" is more an ID or anchor formatter. The strings it
returns are all used in id="…" attributes, as well as in href="#…" links
to jump to these IDs.
* This patch also removes quite a bunch of callbacks from tests that
don't need to be callbacks.
* I'm also replacing all json_encode().
* To make the test code more readable, I shorten a bunch of variable
names to e.g. $msg. The fact they are mocks is still relevant, and still
visible because these variable names are only used in very short scopes.
Change-Id: I2bd7c731efd815bcdc5d33bccb0c8e280d55bd06
Fixes a bug introduced in Icf61c9a27fd, which would cause a parser
cache split any time the Cite extension was initialized. The
`setLanguage` interface is regrettable, but I'm hoping it will only
be around temporarily.
Converts an integration test into a unit test and completes coverage.
Bug: T239988
Change-Id: I4b1f8909700845c9fa0cbc1a3de50ee7d42f69a5
This is what happens:
* The issue happens only on pages with two <ref> tags than share the
same name and group, but have conflicting text.
* This triggers a code path that renders an error message and calls
Message::plain() as well as Parser::addTrackingCategory(), which calls
Message::text().
* The Message class is asking for a new, fresh parser. This means the
parser is cloned and it's state cleared, while keeping stuff like
parser hooks.
* Cloning the parser triggers the ParserCloned hook.
* The hook handler clones the Cite instance stored in Parser::$extCite.
* PHP doesn't do deep cloning. Object properties are not cloned.
* Since I091a0b7 the internal state of the Cite class is extracted to
another class.
* This means the state is not cloned any more since I091a0b7.
* Now two Cite instances share the same state.
* At the end of the hook handler, the state is cleared, which also
clears the state of the original instance.
We will most probably solve this on master by getting rid of cloning
Cite. We propose this additional hotfix for the branch.
Bug: T240248
Change-Id: Ic5a438e04d003a637ae08aae936d9977cc90d5d3
This class renders a <references> tag and everything inside. The
previous name sounds like it is responsible for rendering the contents
of a <ref>…</ref> tag. I mean, the class contains a method that does
exactly this. But this method is private.
Change-Id: I1cd06c9a11e0a74104f2874a34efa3e0843a0f70
Before, this regular expression was looking for incomplete wikitext
like this:
<ref>unclosed
<ref>closed</ref>
With this change, wikitext like this will trigger the same error:
<ref>unclosed
<references />
incomplete</ref>
This should be much, much more rare. But I feel it's reasonable to mark
this as an error, instead of just rendering the broken inner tag in
plain text.
This patch also replaces `.*?>` with `[^>]*+>`. Both do the exact same.
Instead of doing an "ungreedy search for the first possible closing
bracket", which might cause backtracking, the new syntax consumes all
non-brackets before expecting one. This is guaranteed to never backtrack
(guaranteed by the extra +), and potentially faster because of this.
Change-Id: Ic76a52cd111b28e4522f095ce3984e3583f602c1
This partly reverts Ied2e3f5. I haven't properly tested this before.
Rendering a bad extends (that extends a <ref> that's already extended)
not indented messes the order up and rips other extended <ref>s out of
context.
For now it might be better to stick to the previous, "magic" behavior:
Such an extends behaves like it is extending the *parent*, and is
ordered and indented as such. This is still not correct, but I feel
this is much better than rendering such a bad extends on the top level.
This patch also makes the code fail much earlier for a nested extends,
if this decision can be made already. In this case the error message is
rendered in the middle of the text (as other errors also are), not in
the <references> section.
Change-Id: I33c6a763cd6c11df09d10dfab73f955ed15e9d36
This partly reverts Id7a4036e64920acdeccb4dfcf6bef31d0e5657ab.
The message "cite_section_preview_references" says "Preview of references".
This line is not meant to be part of the content, but an interface message.
It should use the users (interface) language, not the content language.
Change-Id: I1b1b5106266606eb0dfaa31f4abd3cee9ba92e8c
This simplifies as well as fixes a series of issues with this regular
expression:
* Before, the wikitext `<REF><REF>` would not trigger the error, but
`<ref><ref>` would. Parser tags are case-insensitive, but the error
check was not.
* Before, the wikitext `<ref><ref name="<">` would not trigger the error.
That's a valid name. The error check should not stop just because it
found a `<`.
* Both the old and the new code do *not* fail with the wikitext
`<ref><ref</ref>` where the inner `<ref` does not have a closing `>`. I
was thinking about changing this, but figured it might be used as a
feature.
* The old code was not able to properly understand HTML comments,
<nowiki> tags and such that contain a line break. That caused
inconsistent and confusing error reporting in some cases, but not in
others. This change *reduces* the amount of errors this code produces.
* The old code was looking for "SGML tags" with names that could be
anything, not just alphanumeric characters. This allowed for strange
edge-cases like `<ref><>><ref></>></ref>` that have not been reported,
but should be. This change *increases* the amount of errors. However,
relevant edge-cases should be extremely rare.
Note the ++ avoids backtracking, speeding up the regex.
Change-Id: I0c61a245f4f743871b4cad886ce239650af2b37c
I was able to track this code down to I093d85d from 2012, which was done
right after the ParserAfterParse hook was introduced. I believe the
redundant code path was left to keep the Cite extension compatible with
old MediaWiki versions that did not had this hook yet.
I also noticed this code path is most probably entirely redundant with
the current version of MediaWiki. The *only* thing this code does is
blocking the ParserBeforeTidy hook from doing the same thing a second
time if the ParserAfterParse hook was called before. But it does *not*
block any other compination, e.g. if the two hooks are called the other
way around, or the same hook twice.
In core, it looks like it is impossible for the ParserBeforeTidy hook
being fired without the ParserAfterParse hook being fired before. If this
is true, this is in fact dead code.
Change-Id: Iacf8b600c7abdeaf89c22c2fc31e646f57245e47
