wikimedia/mediawiki-extensions-Cite
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Replace isset() with null check

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isset() should only be used to suppress errors, not for null check.
When the variable is always defined, there is no need to use isset.
Found by a new phan plugin (2efea9f989)
https://www.mediawiki.org/wiki/Manual:Coding_conventions/PHP#isset

Change-Id: I2eee98fdcb21192108183c431b10e0072b951f72
This commit is contained in:
Umherirrender 2024-10-27 14:13:06 +01:00
parent 41bafe6f2c
commit 875b747d3c
4 changed files with 13 additions and 13 deletions
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2
src/FootnoteMarkFormatter.php
View file

@ -61,7 +61,7 @@ class FootnoteMarkFormatter {
private function makeLabel( ReferenceStackItem $ref, Parser $parser ): string { private function makeLabel( ReferenceStackItem $ref, Parser $parser ): string {
$label = $this->fetchCustomizedLinkLabel( $parser, $ref->group, $ref->number ) ?? $label = $this->fetchCustomizedLinkLabel( $parser, $ref->group, $ref->number ) ??
$this->makeDefaultLabel( $ref ); $this->makeDefaultLabel( $ref );
if ( isset( $ref->extendsIndex ) ) { if ( $ref->extendsIndex !== null ) {
$label .= '.' . $this->messageLocalizer->localizeDigits( (string)$ref->extendsIndex ); $label .= '.' . $this->messageLocalizer->localizeDigits( (string)$ref->extendsIndex );
} }
return $label; return $label;

16
src/ReferenceListFormatter.php
View file

@ -101,19 +101,19 @@ class ReferenceListFormatter {
// Make sure the parent is not a subreference. // Make sure the parent is not a subreference.
// FIXME: Move to a validation function. // FIXME: Move to a validation function.
$extends =& $ref->extends; $extends =& $ref->extends;
if ( isset( $extends ) && isset( $groupRefs[$extends]->extends ) ) { if ( $extends !== null && isset( $groupRefs[$extends]->extends ) ) {
$ref->warnings[] = [ 'cite_error_ref_nested_extends', $ref->warnings[] = [ 'cite_error_ref_nested_extends',
$extends, $groupRefs[$extends]->extends ]; $extends, $groupRefs[$extends]->extends ];
} }
if ( !$indented && isset( $extends ) ) { if ( !$indented && $extends !== null ) {
// The nested <ol> must be inside the parent's <li> // The nested <ol> must be inside the parent's <li>
if ( preg_match( '#</li>\s*$#D', $parserInput, $matches, PREG_OFFSET_CAPTURE ) ) { if ( preg_match( '#</li>\s*$#D', $parserInput, $matches, PREG_OFFSET_CAPTURE ) ) {
$parserInput = substr( $parserInput, 0, $matches[0][1] ); $parserInput = substr( $parserInput, 0, $matches[0][1] );
} }
$parserInput .= Html::openElement( 'ol', [ 'class' => 'mw-extended-references' ] ); $parserInput .= Html::openElement( 'ol', [ 'class' => 'mw-extended-references' ] );
$indented = $matches[0][0] ?? true; $indented = $matches[0][0] ?? true;
} elseif ( $indented && !isset( $extends ) ) { } elseif ( $indented && $extends === null ) {
$parserInput .= $this->closeIndention( $indented ); $parserInput .= $this->closeIndention( $indented );
$indented = false; $indented = false;
} }
@ -151,13 +151,13 @@ class ReferenceListFormatter {
// Special case for an incomplete follow="…". This is valid e.g. in the Page:… namespace on // Special case for an incomplete follow="…". This is valid e.g. in the Page:… namespace on
// Wikisource. Note this returns a <p>, not an <li> as expected! // Wikisource. Note this returns a <p>, not an <li> as expected!
if ( isset( $ref->follow ) ) { if ( $ref->follow !== null ) {
return '<p id="' . $this->anchorFormatter->jumpLinkTarget( $ref->follow ) . '">' . $text . '</p>'; return '<p id="' . $this->anchorFormatter->jumpLinkTarget( $ref->follow ) . '">' . $text . '</p>';
} }
// Parameter $4 in the cite_references_link_one and cite_references_link_many messages // Parameter $4 in the cite_references_link_one and cite_references_link_many messages
$extraAttributes = ''; $extraAttributes = '';
if ( isset( $ref->dir ) ) { if ( $ref->dir !== null ) {
// The following classes are generated here: // The following classes are generated here:
// * mw-cite-dir-ltr // * mw-cite-dir-ltr
// * mw-cite-dir-rtl // * mw-cite-dir-rtl
@ -165,7 +165,7 @@ class ReferenceListFormatter {
} }
if ( $ref->count === 1 ) { if ( $ref->count === 1 ) {
if ( !isset( $ref->name ) ) { if ( $ref->name === null ) {
$id = $ref->key; $id = $ref->key;
$backlinkId = $this->anchorFormatter->backLink( $ref->key ); $backlinkId = $this->anchorFormatter->backLink( $ref->key );
} else { } else {
@ -220,7 +220,7 @@ class ReferenceListFormatter {
private function renderTextAndWarnings( private function renderTextAndWarnings(
Parser $parser, $key, ReferenceStackItem $ref, bool $isSectionPreview Parser $parser, $key, ReferenceStackItem $ref, bool $isSectionPreview
): string { ): string {
if ( !isset( $ref->text ) ) { if ( $ref->text === null ) {
return $this->errorReporter->plain( $parser, return $this->errorReporter->plain( $parser,
$isSectionPreview $isSectionPreview
? 'cite_warning_sectionpreview_no_text' ? 'cite_warning_sectionpreview_no_text'
@ -270,7 +270,7 @@ class ReferenceListFormatter {
private function referencesFormatEntryAlternateBacklinkLabel( private function referencesFormatEntryAlternateBacklinkLabel(
Parser $parser, int $offset Parser $parser, int $offset
): ?string { ): ?string {
if ( !isset( $this->backlinkLabels ) ) { if ( $this->backlinkLabels === null ) {
$msg = $this->messageLocalizer->msg( 'cite_references_link_many_format_backlink_labels' ); $msg = $this->messageLocalizer->msg( 'cite_references_link_many_format_backlink_labels' );
$this->backlinkLabels = $msg->isDisabled() ? [] : preg_split( '/\s+/', $msg->plain() ); $this->backlinkLabels = $msg->isDisabled() ? [] : preg_split( '/\s+/', $msg->plain() );
} }

6
src/ReferenceStack.php
View file

@ -153,9 +153,9 @@ class ReferenceStack {
$ref->number ??= ++$this->groupRefSequence[$group]; $ref->number ??= ++$this->groupRefSequence[$group];
// Do not mess with a known parent a second time // Do not mess with a known parent a second time
if ( $extends && !isset( $ref->extendsIndex ) ) { if ( $extends && $ref->extendsIndex === null ) {
$parentRef =& $this->refs[$group][$extends]; $parentRef =& $this->refs[$group][$extends];
if ( !isset( $parentRef ) ) { if ( $parentRef === null ) {
// Create a new placeholder and give it the current sequence number. // Create a new placeholder and give it the current sequence number.
$parentRef = new ReferenceStackItem(); $parentRef = new ReferenceStackItem();
$parentRef->name = $extends; $parentRef->name = $extends;
@ -347,7 +347,7 @@ class ReferenceStack {
$ref =& $this->refs[$group][$name]; $ref =& $this->refs[$group][$name];
$ref ??= new ReferenceStackItem(); $ref ??= new ReferenceStackItem();
$ref->placeholder = false; $ref->placeholder = false;
if ( !isset( $ref->text ) ) { if ( $ref->text === null ) {
$ref->text = $text; $ref->text = $text;
} elseif ( $ref->text !== $text ) { } elseif ( $ref->text !== $text ) {
// two refs with same key and different content // two refs with same key and different content

2
src/Validator.php
View file

@ -63,7 +63,7 @@ class Validator {
$groupRefs = $this->referenceStack->getGroupRefs( $group ); $groupRefs = $this->referenceStack->getGroupRefs( $group );
// @phan-suppress-next-line PhanTypeMismatchDimFetchNullable false positive // @phan-suppress-next-line PhanTypeMismatchDimFetchNullable false positive
if ( isset( $groupRefs[$name] ) && !isset( $groupRefs[$name]->extends ) ) { if ( isset( $groupRefs[$name] ) && $groupRefs[$name]->extends === null ) {
// T242141: A top-level <ref> can't be changed into a sub-reference // T242141: A top-level <ref> can't be changed into a sub-reference
return StatusValue::newFatal( 'cite_error_references_duplicate_key', $name ); return StatusValue::newFatal( 'cite_error_references_duplicate_key', $name );
} elseif ( isset( $groupRefs[$extends]->extends ) ) { } elseif ( isset( $groupRefs[$extends]->extends ) ) {