mediawiki-extensions-Cite/src/MarkSymbolRenderer.php
Adam Wight 60fbb32c1a Split apart mark formatting into a simpler labeler
The new mark label renderer is a service and can be called from
Parsoid.

Bug: T377454
Change-Id: I6f4983c4288bf29954ad4e5fa3309f9bdf48215d
2024-10-31 11:16:13 +00:00

69 lines
2.1 KiB
PHP

<?php
namespace Cite;
/**
* Render the label for footnote marks, for example "1", "2", …
*
* Marks can be customized by group.
*
* @license GPL-2.0-or-later
*/
class MarkSymbolRenderer {
/** @var array<string,string[]> In-memory cache for the cite_link_label_group-… link label lists */
private array $legacyLinkLabels = [];
private ReferenceMessageLocalizer $messageLocalizer;
public function __construct(
ReferenceMessageLocalizer $messageLocalizer
) {
// TODO: deprecate the i18n mechanism.
$this->messageLocalizer = $messageLocalizer;
}
public function makeLabel( string $group, int $number, ?int $extendsIndex = null ): string {
$label = $this->fetchLegacyCustomLinkLabel( $group, $number ) ??
$this->makeDefaultLabel( $group, $number );
if ( $extendsIndex !== null ) {
// TODO: design better behavior, especially when using custom group markers.
$label .= '.' . $this->messageLocalizer->localizeDigits( (string)$extendsIndex );
}
return $label;
}
private function makeDefaultLabel( string $group, int $number ): string {
$label = $this->messageLocalizer->localizeDigits( (string)$number );
return $group === Cite::DEFAULT_GROUP ? $label : "$group $label";
}
/**
* Look up the symbol in a literal sequence stored in a local system message override.
*
* @deprecated since 1.44
*/
private function fetchLegacyCustomLinkLabel( string $group, int $number ): ?string {
if ( $group === Cite::DEFAULT_GROUP ) {
// TODO: Possibly make the default group configurable, eg. to use a
// different numeral system than the content language or Western
// Arabic.
return null;
}
// TODO: deprecate this mechanism.
$message = "cite_link_label_group-$group";
if ( !array_key_exists( $group, $this->legacyLinkLabels ) ) {
$msg = $this->messageLocalizer->msg( $message );
$this->legacyLinkLabels[$group] = $msg->isDisabled() ? [] : preg_split( '/\s+/', $msg->plain() );
}
// Expected behavior for groups without custom labels
if ( !$this->legacyLinkLabels[$group] ) {
return null;
}
return $this->legacyLinkLabels[$group][$number - 1] ?? null;
}
}