Cecilapp /
Cecil
| Total Complexity | 76 |
| Total Lines | 548 |
| Duplicated Lines | 0 % |
| Coverage | 82.8% |
| Changes | 22 | ||
| Bugs | 10 | Features | 1 |
Complex classes like Parsedown often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Parsedown, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 23 | class Parsedown extends \ParsedownToC |
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| 24 | { |
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| 25 | /** @var Builder */ |
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| 26 | protected $builder; |
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| 27 | |||
| 28 | /** {@inheritdoc} */ |
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| 29 | protected $regexAttribute = '(?:[#.][-\w:\\\]+[ ]*|[-\w:\\\]+(?:=(?:["\'][^\n]*?["\']|[^\s]+)?)?[ ]*)'; |
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| 30 | |||
| 31 | /** Valid image */ |
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| 32 | protected $regexImageBlock = "~^!\[.*?\]\(.*?\)~"; |
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| 33 | |||
| 34 | /** @var Highlighter */ |
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| 35 | protected $highlighter; |
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| 36 | |||
| 37 | 1 | public function __construct(Builder $builder, ?array $options = null) |
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| 38 | { |
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| 39 | 1 | $this->builder = $builder; |
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| 40 | |||
| 41 | // "insert" line block: ++text++ -> <ins>text</ins> |
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| 42 | 1 | $this->InlineTypes['+'][] = 'Insert'; |
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| 43 | 1 | $this->inlineMarkerList = implode('', array_keys($this->InlineTypes)); |
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| 44 | 1 | $this->specialCharacters[] = '+'; |
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| 45 | |||
| 46 | // Image block |
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| 47 | 1 | $this->BlockTypes['!'][] = 'Image'; |
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| 48 | |||
| 49 | // "notes" block |
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| 50 | 1 | $this->BlockTypes[':'][] = 'Note'; |
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| 51 | |||
| 52 | // code highlight |
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| 53 | 1 | $this->highlighter = new Highlighter(); |
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| 54 | |||
| 55 | // options |
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| 56 | 1 | $options = array_merge(['selectors' => $this->builder->getConfig()->get('body.toc')], $options ?? []); |
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| 57 | |||
| 58 | parent::__construct($options); |
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| 59 | } |
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| 60 | |||
| 61 | /** |
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| 62 | * Insert inline. |
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| 63 | 1 | * e.g.: ++text++ -> <ins>text</ins>. |
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| 64 | */ |
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| 65 | 1 | protected function inlineInsert($Excerpt) |
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| 78 | ], |
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| 79 | ]; |
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| 80 | } |
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| 81 | } |
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| 82 | |||
| 83 | /** |
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| 84 | 1 | * {@inheritdoc} |
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| 85 | */ |
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| 86 | 1 | protected function inlineLink($Excerpt) |
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| 87 | 1 | { |
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| 88 | $link = parent::inlineLink($Excerpt); |
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| 89 | |||
| 90 | if (!isset($link)) { |
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| 91 | return null; |
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| 92 | 1 | } |
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| 93 | |||
| 94 | // Link to a page with "page:page_id" as URL |
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| 95 | 1 | if (Util\Str::startsWith($link['element']['attributes']['href'], 'page:')) { |
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| 96 | 1 | $link['element']['attributes']['href'] = new \Cecil\Assets\Url($this->builder, substr($link['element']['attributes']['href'], 5, strlen($link['element']['attributes']['href']))); |
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| 97 | |||
| 98 | return $link; |
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| 99 | } |
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| 100 | 1 | ||
| 101 | /* |
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| 102 | * Embed link? |
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| 103 | */ |
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| 104 | $embed = false; |
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| 105 | 1 | $embed = (bool) $this->builder->getConfig()->get('body.links.embed.enabled') ?? false; |
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| 106 | 1 | if (isset($link['element']['attributes']['embed'])) { |
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| 107 | 1 | $embed = true; |
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| 108 | if ($link['element']['attributes']['embed'] == 'false') { |
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| 109 | $embed = false; |
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| 110 | } |
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| 111 | unset($link['element']['attributes']['embed']); |
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| 112 | 1 | } |
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| 113 | 1 | if (!$embed) { |
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| 114 | 1 | return $link; |
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| 115 | 1 | } |
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| 116 | // video or audio? |
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| 117 | 1 | $extension = pathinfo($link['element']['attributes']['href'], PATHINFO_EXTENSION); |
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| 118 | if (in_array($extension, $this->builder->getConfig()->get('body.links.embed.video.ext'))) { |
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|
Bug
introduced
by
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| 119 | return $this->createMediaFromLink($link, 'video'); |
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| 120 | 1 | } |
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| 121 | 1 | if (in_array($extension, $this->builder->getConfig()->get('body.links.embed.audio.ext'))) { |
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| 122 | return $this->createMediaFromLink($link, 'audio'); |
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| 123 | } |
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| 124 | // GitHub Gist link? |
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| 125 | // https://regex101.com/r/QmCiAL/1 |
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| 126 | $pattern = 'https:\/\/gist\.github.com\/[-a-zA-Z0-9_]+\/[-a-zA-Z0-9_]+'; |
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| 127 | if (preg_match('/'.$pattern.'/is', (string) $link['element']['attributes']['href'], $matches)) { |
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| 128 | return [ |
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| 129 | 'extent' => $link['extent'], |
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| 130 | 1 | 'element' => [ |
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| 131 | 1 | 'name' => 'script', |
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| 132 | 'text' => $link['element']['text'], |
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| 133 | 'attributes' => [ |
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| 134 | 1 | 'src' => $matches[0].'.js', |
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| 135 | 1 | ], |
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| 136 | ], |
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| 137 | ]; |
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| 138 | } |
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| 139 | // Youtube link? |
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| 140 | // https://regex101.com/r/gznM1j/1 |
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| 141 | 1 | $pattern = '(?:https?:\/\/)?(?:www\.)?youtu(?:\.be\/|be.com\/\S*(?:watch|embed)(?:(?:(?=\/[-a-zA-Z0-9_]{11,}(?!\S))\/)|(?:\S*v=|v\/)))([-a-zA-Z0-9_]{11,})'; |
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| 142 | 1 | if (preg_match('/'.$pattern.'/is', (string) $link['element']['attributes']['href'], $matches)) { |
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| 143 | 1 | $iframe = [ |
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| 144 | 1 | 'element' => [ |
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| 145 | 'name' => 'iframe', |
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| 146 | 'text' => $link['element']['text'], |
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| 147 | 'attributes' => [ |
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| 148 | 'width' => '560', |
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| 149 | 'height' => '315', |
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| 150 | 'title' => $link['element']['text'], |
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| 151 | 1 | 'src' => 'https://www.youtube.com/embed/'.$matches[1], |
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| 152 | 'frameborder' => '0', |
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| 153 | 'allow' => 'accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture', |
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| 154 | 'allowfullscreen' => '', |
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| 155 | 'style' => 'position:absolute; top:0; left:0; width:100%; height:100%; border:0', |
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| 156 | ], |
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| 157 | ], |
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| 158 | ]; |
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| 159 | |||
| 160 | 1 | return [ |
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| 161 | 'extent' => $link['extent'], |
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| 162 | 1 | 'element' => [ |
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| 163 | 'name' => 'div', |
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| 164 | 'handler' => 'elements', |
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| 165 | 'text' => [ |
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| 166 | 1 | $iframe['element'], |
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| 167 | 1 | ], |
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| 168 | 'attributes' => [ |
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| 169 | 'style' => 'position:relative; padding-bottom:56.25%; height:0; overflow:hidden', |
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| 170 | 1 | ], |
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| 171 | ], |
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| 172 | 1 | ]; |
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| 173 | 1 | } |
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| 174 | 1 | ||
| 175 | 1 | return $link; |
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| 176 | } |
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| 177 | |||
| 178 | /** |
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| 179 | 1 | * {@inheritdoc} |
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| 180 | 1 | */ |
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| 181 | 1 | protected function inlineImage($Excerpt) |
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| 182 | 1 | { |
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| 183 | 1 | $image = parent::inlineImage($Excerpt); |
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| 184 | 1 | if (!isset($image)) { |
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| 185 | 1 | return null; |
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| 186 | 1 | } |
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| 187 | |||
| 188 | // remove quesry string |
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| 189 | $image['element']['attributes']['src'] = $this->removeQueryString($image['element']['attributes']['src']); |
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| 190 | 1 | ||
| 191 | 1 | // normalize path |
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| 192 | 1 | $image['element']['attributes']['src'] = $this->normalizePath($image['element']['attributes']['src']); |
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| 193 | 1 | ||
| 194 | // should be lazy loaded? |
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| 195 | 1 | if ($this->builder->getConfig()->get('body.images.lazy.enabled') && !isset($image['element']['attributes']['loading'])) { |
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| 196 | 1 | $image['element']['attributes']['loading'] = 'lazy'; |
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| 197 | } |
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| 198 | |||
| 199 | // add default class? |
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| 200 | if ($this->builder->getConfig()->get('body.images.class')) { |
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| 201 | $image['element']['attributes']['class'] .= ' '.$this->builder->getConfig()->get('body.images.class'); |
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| 202 | $image['element']['attributes']['class'] = trim($image['element']['attributes']['class']); |
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| 203 | } |
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| 204 | |||
| 205 | // disable remote image handling? |
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| 206 | if (Util\Url::isUrl($image['element']['attributes']['src']) && !$this->builder->getConfig()->get('body.images.remote.enabled') ?? true) { |
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| 207 | return $image; |
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| 208 | } |
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| 209 | |||
| 210 | // create asset |
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| 211 | $assetOptions = ['force_slash' => false]; |
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| 212 | if ($this->builder->getConfig()->get('body.images.remote.fallback.enabled')) { |
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| 213 | $assetOptions += ['remote_fallback' => $this->builder->getConfig()->get('body.images.remote.fallback.path')]; |
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| 214 | } |
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| 215 | $asset = new Asset($this->builder, $image['element']['attributes']['src'], $assetOptions); |
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| 216 | $image['element']['attributes']['src'] = $asset; |
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| 217 | $width = $asset->getWidth(); |
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| 218 | |||
| 219 | 1 | /** |
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| 220 | * Should be resized? |
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| 221 | */ |
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| 222 | $assetResized = null; |
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| 223 | if (isset($image['element']['attributes']['width']) |
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| 224 | 1 | && (int) $image['element']['attributes']['width'] < $width |
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| 225 | && $this->builder->getConfig()->get('body.images.resize.enabled') |
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| 226 | ) { |
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| 227 | $width = (int) $image['element']['attributes']['width']; |
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| 228 | 1 | ||
| 229 | try { |
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| 230 | $assetResized = $asset->resize($width); |
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| 231 | 1 | $image['element']['attributes']['src'] = $assetResized; |
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| 232 | } catch (\Exception $e) { |
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| 233 | $this->builder->getLogger()->debug($e->getMessage()); |
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| 234 | |||
| 235 | return $image; |
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| 236 | } |
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| 237 | } |
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| 238 | |||
| 239 | // set width |
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| 240 | if (!isset($image['element']['attributes']['width']) && $asset['type'] == 'image') { |
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| 241 | $image['element']['attributes']['width'] = $width; |
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| 242 | } |
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| 243 | // set height |
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| 244 | if (!isset($image['element']['attributes']['height']) && $asset['type'] == 'image') { |
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| 245 | $image['element']['attributes']['height'] = ($assetResized ?? $asset)->getHeight(); |
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| 246 | } |
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| 247 | |||
| 248 | /** |
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| 249 | * Should be responsive? |
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| 250 | */ |
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| 251 | if ($asset['type'] == 'image' && $this->builder->getConfig()->get('body.images.responsive.enabled')) { |
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| 252 | try { |
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| 253 | if ($srcset = Image::buildSrcset( |
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| 254 | $assetResized ?? $asset, |
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| 255 | $this->builder->getConfig()->get('assets.images.responsive.widths') ?? [480, 640, 768, 1024, 1366, 1600, 1920] |
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| 256 | )) { |
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| 257 | $image['element']['attributes']['srcset'] = $srcset; |
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| 258 | $image['element']['attributes']['sizes'] = $this->builder->getConfig()->get('assets.images.responsive.sizes.default'); |
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| 259 | } |
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| 260 | } catch (\Exception $e) { |
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| 261 | 1 | $this->builder->getLogger()->debug($e->getMessage()); |
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| 262 | 1 | } |
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| 263 | } |
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| 264 | |||
| 265 | return $image; |
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| 266 | } |
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| 267 | 1 | ||
| 268 | /** |
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| 269 | * Image block support: |
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| 270 | 1 | * 1. <picture>/<source> for WebP images |
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| 271 | * 2. <figure>/<figcaption> for element with a title. |
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| 272 | */ |
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| 273 | 1 | protected function blockImage($Excerpt) |
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| 274 | { |
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| 275 | if (1 !== preg_match($this->regexImageBlock, $Excerpt['text'])) { |
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| 276 | return; |
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| 277 | } |
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| 278 | |||
| 279 | 1 | $InlineImage = $this->inlineImage($Excerpt); |
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| 280 | 1 | if (!isset($InlineImage)) { |
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| 281 | return; |
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| 282 | } |
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| 283 | 1 | ||
| 284 | /* |
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| 285 | 1 | <!-- if title: a <figure> is required to put it in <figcaption> --> |
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| 286 | <figure> |
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| 287 | <!-- if WebP is enabled: a <picture> is required for <source> --> |
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| 288 | 1 | <picture> |
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| 289 | <source type="image/webp" |
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| 290 | srcset="..." |
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| 291 | sizes="..." |
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| 292 | > |
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| 293 | <img src="..." |
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| 294 | srcset="..." |
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| 295 | sizes="..." |
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| 296 | > |
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| 297 | </picture> |
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| 298 | <figcaption><!-- title --></figcaption> |
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| 299 | </figure> |
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| 300 | 1 | */ |
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| 301 | |||
| 302 | 1 | // clean title (and preserve raw HTML) |
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| 303 | $titleRawHtml = ''; |
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| 304 | if (isset($InlineImage['element']['attributes']['title'])) { |
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| 305 | $titleRawHtml = $this->line($InlineImage['element']['attributes']['title']); |
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| 306 | $InlineImage['element']['attributes']['title'] = strip_tags($titleRawHtml); |
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| 307 | } |
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| 308 | |||
| 309 | $block = $InlineImage; |
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| 310 | |||
| 311 | // converts image to WebP and put it in picture > source |
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| 312 | if ($this->builder->getConfig()->get('body.images.webp.enabled') ?? false |
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| 313 | 1 | && (($InlineImage['element']['attributes']['src'])['type'] == 'image' |
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| 314 | 1 | && ($InlineImage['element']['attributes']['src'])['subtype'] != 'image/webp') |
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| 315 | ) { |
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| 316 | try { |
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| 317 | 1 | // Image src must be an Asset instance |
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| 318 | if (is_string($InlineImage['element']['attributes']['src'])) { |
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| 319 | throw new RuntimeException(\sprintf('Asset "%s" can\'t be converted to WebP', $InlineImage['element']['attributes']['src'])); |
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| 320 | } |
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| 321 | 1 | // Image asset is an animated GIF |
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| 322 | if (Image::isAnimatedGif($InlineImage['element']['attributes']['src'])) { |
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| 323 | 1 | throw new RuntimeException(\sprintf('Asset "%s" is an animated GIF and can\'t be converted to WebP', $InlineImage['element']['attributes']['src'])); |
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| 324 | 1 | } |
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| 325 | $assetWebp = Image::convertTopWebp($InlineImage['element']['attributes']['src'], $this->builder->getConfig()->get('assets.images.quality') ?? 75); |
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| 326 | 1 | $srcset = ''; |
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| 327 | 1 | // build responsives WebP? |
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| 328 | if ($this->builder->getConfig()->get('body.images.responsive.enabled')) { |
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| 329 | 1 | try { |
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| 330 | $srcset = Image::buildSrcset( |
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| 331 | 1 | $assetWebp, |
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| 332 | $this->builder->getConfig()->get('assets.images.responsive.widths') ?? [480, 640, 768, 1024, 1366, 1600, 1920] |
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| 333 | 1 | ); |
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| 334 | } catch (\Exception $e) { |
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| 335 | $this->builder->getLogger()->debug($e->getMessage()); |
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| 336 | 1 | } |
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| 337 | } |
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| 338 | 1 | // if not, default image as srcset |
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| 339 | 1 | if (empty($srcset)) { |
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| 340 | $srcset = (string) $assetWebp; |
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| 341 | 1 | } |
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| 342 | $PictureBlock = [ |
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| 343 | 'element' => [ |
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| 344 | 'name' => 'picture', |
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| 345 | 'handler' => 'elements', |
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| 346 | ], |
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| 347 | 1 | ]; |
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| 348 | $source = [ |
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| 349 | 1 | 'element' => [ |
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| 350 | 'name' => 'source', |
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| 351 | 'attributes' => [ |
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| 352 | 1 | 'type' => 'image/webp', |
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| 353 | 'srcset' => $srcset, |
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| 354 | 'sizes' => $this->builder->getConfig()->get('assets.images.responsive.sizes.default'), |
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| 355 | ], |
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| 356 | 1 | ], |
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| 357 | 1 | ]; |
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| 358 | 1 | $PictureBlock['element']['text'][] = $source['element']; |
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| 359 | 1 | $PictureBlock['element']['text'][] = $block['element']; |
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| 360 | 1 | $block = $PictureBlock; |
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| 361 | 1 | } catch (\Exception $e) { |
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| 362 | $this->builder->getLogger()->debug($e->getMessage()); |
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| 363 | 1 | } |
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| 364 | } |
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| 365 | 1 | ||
| 366 | 1 | // if there is a title: put the <img> (or <picture>) in a <figure> element to use the <figcaption> |
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| 367 | if ($this->builder->getConfig()->get('body.images.caption.enabled') && !empty($titleRawHtml)) { |
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| 368 | 1 | $FigureBlock = [ |
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| 369 | 'element' => [ |
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| 370 | 'name' => 'figure', |
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| 371 | 'handler' => 'elements', |
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| 372 | 'text' => [ |
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| 373 | $block['element'], |
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| 374 | 1 | ], |
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| 375 | ], |
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| 376 | 1 | ]; |
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| 377 | 1 | $InlineFigcaption = [ |
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| 378 | 1 | 'element' => [ |
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| 379 | 'name' => 'figcaption', |
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| 380 | 1 | 'allowRawHtmlInSafeMode' => true, |
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| 381 | 1 | 'rawHtml' => $this->line($titleRawHtml), |
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| 382 | 1 | ], |
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| 383 | 1 | ]; |
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| 384 | 1 | $FigureBlock['element']['text'][] = $InlineFigcaption['element']; |
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| 385 | 1 | ||
| 386 | 1 | return $FigureBlock; |
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| 387 | 1 | } |
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| 388 | |||
| 389 | 1 | return $block; |
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| 390 | 1 | } |
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| 391 | |||
| 392 | /** |
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| 393 | * Note block-level markup. |
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| 394 | 1 | * |
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| 395 | 1 | * :::tip |
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| 396 | * **Tip:** This is an advice. |
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| 397 | 1 | * ::: |
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| 398 | 1 | * |
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| 399 | 1 | * Code inspired by https://github.com/sixlive/parsedown-alert from TJ Miller (@sixlive). |
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| 400 | */ |
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| 401 | protected function blockNote($block) |
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| 402 | { |
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| 403 | 1 | if (preg_match('/:::(.*)/', $block['text'], $matches)) { |
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| 404 | $block = [ |
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| 405 | 'char' => ':', |
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| 406 | 'element' => [ |
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| 407 | 'name' => 'aside', |
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| 408 | 'text' => '', |
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| 409 | 1 | 'attributes' => [ |
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| 410 | 'class' => 'note', |
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| 411 | 1 | ], |
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| 412 | ], |
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| 413 | ]; |
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| 414 | if (!empty($matches[1])) { |
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| 415 | $block['element']['attributes']['class'] .= " note-{$matches[1]}"; |
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| 416 | } |
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| 417 | |||
| 418 | return $block; |
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| 419 | } |
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| 420 | } |
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| 421 | |||
| 422 | protected function blockNoteContinue($line, $block) |
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| 423 | { |
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| 424 | if (isset($block['complete'])) { |
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| 425 | return; |
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| 426 | } |
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| 427 | if (preg_match('/:::/', $line['text'])) { |
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| 428 | $block['complete'] = true; |
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| 429 | |||
| 430 | return $block; |
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| 431 | } |
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| 432 | $block['element']['text'] .= $line['text']."\n"; |
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| 433 | |||
| 434 | return $block; |
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| 435 | } |
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| 436 | |||
| 437 | protected function blockNoteComplete($block) |
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| 438 | { |
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| 439 | $block['element']['rawHtml'] = $this->text($block['element']['text']); |
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| 440 | unset($block['element']['text']); |
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| 441 | |||
| 442 | return $block; |
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| 443 | } |
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| 444 | |||
| 445 | /** |
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| 446 | * Apply Highlight to code blocks. |
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| 447 | */ |
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| 448 | protected function blockFencedCodeComplete($block) |
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| 449 | { |
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| 450 | if (!$this->builder->getConfig()->get('body.highlight.enabled')) { |
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| 451 | return $block; |
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| 452 | } |
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| 453 | if (!isset($block['element']['text']['attributes'])) { |
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| 454 | return $block; |
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| 455 | } |
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| 456 | |||
| 457 | try { |
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| 458 | $code = $block['element']['text']['text']; |
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| 459 | $languageClass = $block['element']['text']['attributes']['class']; |
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| 460 | $language = explode('-', $languageClass); |
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| 461 | $highlighted = $this->highlighter->highlight($language[1], $code); |
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| 462 | $block['element']['text']['attributes']['class'] = vsprintf('%s hljs %s', [ |
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| 463 | $languageClass, |
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| 464 | $highlighted->language, |
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| 465 | ]); |
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| 466 | $block['element']['text']['rawHtml'] = $highlighted->value; |
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| 467 | $block['element']['text']['allowRawHtmlInSafeMode'] = true; |
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| 468 | unset($block['element']['text']['text']); |
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| 469 | } catch (\Exception $e) { |
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| 470 | $this->builder->getLogger()->debug($e->getMessage()); |
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| 471 | } finally { |
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| 472 | return $block; |
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| 473 | } |
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| 474 | } |
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| 475 | |||
| 476 | /** |
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| 477 | * {@inheritdoc} |
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| 478 | */ |
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| 479 | protected function parseAttributeData($attributeString) |
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| 480 | { |
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| 481 | $attributes = preg_split('/[ ]+/', $attributeString, -1, PREG_SPLIT_NO_EMPTY); |
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| 482 | $Data = []; |
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| 483 | $HtmlAtt = []; |
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| 484 | |||
| 485 | foreach ($attributes as $attribute) { |
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| 486 | switch ($attribute[0]) { |
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| 487 | case '#': // ID |
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| 488 | $Data['id'] = substr($attribute, 1); |
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| 489 | break; |
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| 490 | case '.': // Classes |
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| 491 | $classes[] = substr($attribute, 1); |
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| 492 | break; |
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| 493 | default: // Attributes |
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| 494 | parse_str($attribute, $parsed); |
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| 495 | $HtmlAtt = array_merge($HtmlAtt, $parsed); |
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| 496 | } |
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| 497 | } |
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| 498 | |||
| 499 | if (isset($classes)) { |
||
| 500 | $Data['class'] = implode(' ', $classes); |
||
| 501 | } |
||
| 502 | if (!empty($HtmlAtt)) { |
||
| 503 | foreach ($HtmlAtt as $a => $v) { |
||
| 504 | $Data[$a] = trim($v, '"'); |
||
| 505 | } |
||
| 506 | } |
||
| 507 | |||
| 508 | return $Data; |
||
| 509 | } |
||
| 510 | |||
| 511 | /** |
||
| 512 | * Remove query string form a path/URL. |
||
| 513 | */ |
||
| 514 | private function removeQueryString(string $path): string |
||
| 517 | } |
||
| 518 | |||
| 519 | /** |
||
| 520 | * Turns a path relative to static or assets into a website relative path. |
||
| 521 | * |
||
| 522 | * "../../assets/images/img.jpeg" |
||
| 523 | * -> |
||
| 524 | * "/images/img.jpeg" |
||
| 525 | */ |
||
| 526 | private function normalizePath(string $path): string |
||
| 527 | { |
||
| 528 | // https://regex101.com/r/Rzguzh/1 |
||
| 529 | $pattern = \sprintf( |
||
| 530 | '(\.\.\/)+(\b%s|%s\b)+(\/.*)', |
||
| 531 | $this->builder->getConfig()->get('static.dir'), |
||
| 532 | $this->builder->getConfig()->get('assets.dir') |
||
| 533 | ); |
||
| 534 | $path = Util::joinPath($path); |
||
| 535 | if (!preg_match('/'.$pattern.'/is', $path, $matches)) { |
||
| 536 | return $path; |
||
| 537 | } |
||
| 538 | |||
| 539 | return $matches[3]; |
||
| 540 | } |
||
| 541 | |||
| 542 | /** |
||
| 543 | * Create a media (video or audio) element from a link. |
||
| 544 | */ |
||
| 545 | private function createMediaFromLink(array $link, string $type = 'video'): array |
||
| 571 | } |
||
| 572 | } |
||
| 573 |
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