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1 | <?php |
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2 | |||
3 | /* |
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4 | * This file is part of the league/commonmark package. |
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5 | * |
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6 | * (c) Colin O'Dell <[email protected]> |
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7 | * |
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8 | * Original code based on the CommonMark JS reference parser (http://bitly.com/commonmark-js) |
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9 | * - (c) John MacFarlane |
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10 | * |
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11 | * For the full copyright and license information, please view the LICENSE |
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12 | * file that was distributed with this source code. |
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13 | */ |
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14 | |||
15 | namespace League\CommonMark\Extension\SmartPunct; |
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16 | |||
17 | use League\CommonMark\Delimiter\Delimiter; |
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18 | use League\CommonMark\Inline\Parser\InlineParserInterface; |
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19 | use League\CommonMark\InlineParserContext; |
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20 | use League\CommonMark\Util\RegexHelper; |
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21 | |||
22 | final class QuoteParser implements InlineParserInterface |
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23 | { |
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24 | public const DOUBLE_QUOTES = [Quote::DOUBLE_QUOTE, Quote::DOUBLE_QUOTE_OPENER, Quote::DOUBLE_QUOTE_CLOSER]; |
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25 | public const SINGLE_QUOTES = [Quote::SINGLE_QUOTE, Quote::SINGLE_QUOTE_OPENER, Quote::SINGLE_QUOTE_CLOSER]; |
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26 | |||
27 | /** |
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28 | * @return string[] |
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29 | */ |
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30 | 51 | public function getCharacters(): array |
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31 | { |
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32 | 51 | return array_merge(self::DOUBLE_QUOTES, self::SINGLE_QUOTES); |
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33 | } |
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34 | |||
35 | /** |
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36 | * Normalizes any quote characters found and manually adds them to the delimiter stack |
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37 | * |
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38 | * @param InlineParserContext $inlineContext |
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39 | * |
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40 | * @return bool |
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41 | */ |
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42 | 33 | public function parse(InlineParserContext $inlineContext): bool |
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43 | { |
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44 | 33 | $cursor = $inlineContext->getCursor(); |
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45 | 33 | $normalizedCharacter = $this->getNormalizedQuoteCharacter($cursor->getCharacter()); |
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46 | |||
47 | 33 | $charBefore = $cursor->peek(-1); |
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48 | 33 | if ($charBefore === null) { |
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49 | 27 | $charBefore = "\n"; |
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50 | } |
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51 | |||
52 | 33 | $cursor->advance(); |
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53 | |||
54 | 33 | $charAfter = $cursor->getCharacter(); |
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55 | 33 | if ($charAfter === null) { |
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56 | 21 | $charAfter = "\n"; |
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57 | } |
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58 | |||
59 | 33 | [$leftFlanking, $rightFlanking] = $this->determineFlanking($charBefore, $charAfter); |
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0 ignored issues
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The variable
$rightFlanking does not exist. Did you forget to declare it?
This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug. ![]() |
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60 | 33 | $canOpen = $leftFlanking && !$rightFlanking; |
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61 | 33 | $canClose = $rightFlanking; |
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62 | |||
63 | 33 | $node = new Quote($normalizedCharacter, ['delim' => true]); |
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64 | 33 | $inlineContext->getContainer()->appendChild($node); |
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65 | |||
66 | // Add entry to stack to this opener |
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67 | 33 | $inlineContext->getDelimiterStack()->push(new Delimiter($normalizedCharacter, 1, $node, $canOpen, $canClose)); |
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68 | |||
69 | 33 | return true; |
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70 | } |
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71 | |||
72 | /** |
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73 | * @param string $character |
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74 | * |
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75 | * @return string|null |
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76 | */ |
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77 | 33 | private function getNormalizedQuoteCharacter($character) |
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78 | { |
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79 | 33 | if (in_array($character, self::DOUBLE_QUOTES)) { |
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80 | 18 | return Quote::DOUBLE_QUOTE; |
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81 | 30 | } elseif (in_array($character, self::SINGLE_QUOTES)) { |
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82 | 30 | return Quote::SINGLE_QUOTE; |
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83 | } |
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84 | |||
85 | return $character; |
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86 | } |
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87 | |||
88 | /** |
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89 | * @param string $charBefore |
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90 | * @param string $charAfter |
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91 | * |
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92 | * @return bool[] |
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93 | */ |
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94 | 33 | private function determineFlanking($charBefore, $charAfter) |
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95 | { |
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96 | 33 | $afterIsWhitespace = preg_match('/\pZ|\s/u', $charAfter); |
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97 | 33 | $afterIsPunctuation = preg_match(RegexHelper::REGEX_PUNCTUATION, $charAfter); |
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98 | 33 | $beforeIsWhitespace = preg_match('/\pZ|\s/u', $charBefore); |
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99 | 33 | $beforeIsPunctuation = preg_match(RegexHelper::REGEX_PUNCTUATION, $charBefore); |
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100 | |||
101 | 33 | $leftFlanking = !$afterIsWhitespace && |
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102 | 33 | !($afterIsPunctuation && |
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103 | 33 | !$beforeIsWhitespace && |
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104 | 33 | !$beforeIsPunctuation); |
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105 | |||
106 | 33 | $rightFlanking = !$beforeIsWhitespace && |
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107 | 33 | !($beforeIsPunctuation && |
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108 | 33 | !$afterIsWhitespace && |
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109 | 33 | !$afterIsPunctuation); |
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110 | |||
111 | 33 | return [$leftFlanking, $rightFlanking]; |
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112 | } |
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113 | } |
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114 |
This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.