1 | <?php |
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2 | |||
3 | declare(strict_types=1); |
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4 | |||
5 | namespace League\HTMLToMarkdown\Converter; |
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6 | |||
7 | use League\HTMLToMarkdown\Coerce; |
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8 | use League\HTMLToMarkdown\Configuration; |
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9 | use League\HTMLToMarkdown\ConfigurationAwareInterface; |
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10 | use League\HTMLToMarkdown\ElementInterface; |
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11 | |||
12 | class ListItemConverter implements ConverterInterface, ConfigurationAwareInterface |
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13 | { |
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14 | /** @var Configuration */ |
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15 | protected $config; |
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16 | |||
17 | /** @var string|null */ |
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18 | protected $listItemStyle; |
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19 | |||
20 | public function setConfig(Configuration $config): void |
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21 | { |
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22 | $this->config = $config; |
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23 | } |
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24 | 99 | ||
25 | public function convert(ElementInterface $element): string |
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26 | 99 | { |
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27 | 99 | // If parent is an ol, use numbers, otherwise, use dashes |
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28 | $listType = ($parent = $element->getParent()) ? $parent->getTagName() : 'ul'; |
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29 | |||
30 | // Add spaces to start for nested list items |
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31 | $level = $element->getListItemLevel(); |
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32 | |||
33 | $value = \trim(\implode("\n" . ' ', \explode("\n", \trim($element->getValue())))); |
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34 | 12 | ||
35 | // If list item is the first in a nested list, add a newline before it |
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36 | $prefix = ''; |
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37 | 12 | if ($level > 0 && $element->getSiblingPosition() === 1) { |
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38 | $prefix = "\n"; |
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39 | } |
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40 | 12 | ||
41 | if ($listType === 'ul') { |
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42 | 12 | $listItemStyle = Coerce::toString($this->config->getOption('list_item_style', '-')); |
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43 | $listItemStyleAlternate = Coerce::toString($this->config->getOption('list_item_style_alternate', '')); |
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44 | if (! isset($this->listItemStyle)) { |
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45 | 12 | $this->listItemStyle = $listItemStyleAlternate ?: $listItemStyle; |
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46 | 12 | } |
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47 | 6 | ||
48 | 4 | if ($listItemStyleAlternate && $level === 0 && $element->getSiblingPosition() === 1) { |
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49 | $this->listItemStyle = $this->listItemStyle === $listItemStyle ? $listItemStyleAlternate : $listItemStyle; |
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50 | 12 | } |
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51 | 12 | ||
52 | 12 | return $prefix . $this->listItemStyle . ' ' . $value . "\n"; |
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53 | 12 | } |
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54 | 12 | ||
55 | 8 | if ($listType === 'ol' && ($parent = $element->getParent()) && ($start = \intval($parent->getAttribute('start')))) { |
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56 | $number = $start + $element->getSiblingPosition() - 1; |
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57 | 12 | } else { |
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58 | 3 | $number = $element->getSiblingPosition(); |
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59 | 2 | } |
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60 | |||
61 | 12 | return $prefix . $number . '. ' . $value . "\n"; |
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62 | } |
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63 | |||
64 | 6 | /** |
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65 | 3 | * @return string[] |
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66 | 2 | */ |
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67 | 6 | public function getSupportedTags(): array |
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68 | { |
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69 | return ['li']; |
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70 | 6 | } |
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71 | } |
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72 |