82 lines
2.3 KiB
PHP
82 lines
2.3 KiB
PHP
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<?php
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declare(strict_types=1);
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namespace Shaarli\Formatter\Parsedown;
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use Shaarli\Formatter\BookmarkDefaultFormatter as Formatter;
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/**
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* Trait used for Parsedown and ParsedownExtra extension.
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*
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* Extended:
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* - Format links properly in search context
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*/
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trait ShaarliParsedownTrait
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{
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/**
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* @inheritDoc
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*/
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protected function inlineLink($excerpt)
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{
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return $this->shaarliFormatLink(parent::inlineLink($excerpt), true);
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}
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/**
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* @inheritDoc
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*/
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protected function inlineUrl($excerpt)
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{
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return $this->shaarliFormatLink(parent::inlineUrl($excerpt), false);
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}
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/**
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* Properly format markdown link:
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* - remove highlight tags from HREF attribute
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* - (optional) add highlight tags to link caption
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*
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* @param array|null $link Parsedown formatted link array.
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* It can be empty.
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* @param bool $fullWrap Add highlight tags the whole link caption
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*
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* @return array|null
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*/
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protected function shaarliFormatLink(?array $link, bool $fullWrap): ?array
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{
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// If open and clean search tokens are found in the link, process.
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if (
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is_array($link)
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&& strpos($link['element']['attributes']['href'] ?? '', Formatter::SEARCH_HIGHLIGHT_OPEN) !== false
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&& strpos($link['element']['attributes']['href'] ?? '', Formatter::SEARCH_HIGHLIGHT_CLOSE) !== false
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) {
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$link['element']['attributes']['href'] = $this->shaarliRemoveSearchTokens(
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$link['element']['attributes']['href']
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);
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if ($fullWrap) {
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$link['element']['text'] = Formatter::SEARCH_HIGHLIGHT_OPEN .
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$link['element']['text'] .
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Formatter::SEARCH_HIGHLIGHT_CLOSE
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;
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}
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}
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return $link;
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}
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/**
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* Remove open and close tags from provided string.
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*
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* @param string $entry input
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*
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* @return string Striped input
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*/
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protected function shaarliRemoveSearchTokens(string $entry): string
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{
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$entry = str_replace(Formatter::SEARCH_HIGHLIGHT_OPEN, '', $entry);
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$entry = str_replace(Formatter::SEARCH_HIGHLIGHT_CLOSE, '', $entry);
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return $entry;
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}
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}
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