1 | <?php |
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2 | |||
3 | declare(strict_types=1); |
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4 | |||
5 | namespace PHPHtmlParser\Dom\Node; |
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6 | |||
7 | use PHPHtmlParser\Dom\Tag; |
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8 | use PHPHtmlParser\Exceptions\LogicalException; |
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9 | |||
10 | /** |
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11 | * Class TextNode. |
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12 | * |
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13 | * @property-read string $outerhtml |
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14 | * @property-read string $innerhtml |
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15 | * @property-read string $innerText |
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16 | * @property-read string $text |
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17 | * @property-read Tag $tag |
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18 | * @property-read InnerNode $parent |
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19 | */ |
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20 | class TextNode extends LeafNode |
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21 | { |
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22 | /** |
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23 | * This is a text node. |
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24 | * |
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25 | * @var Tag |
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26 | */ |
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27 | protected $tag; |
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28 | |||
29 | /** |
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30 | * This is the text in this node. |
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31 | * |
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32 | * @var string |
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33 | */ |
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34 | protected $text; |
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35 | |||
36 | /** |
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37 | * This is the converted version of the text. |
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38 | * |
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39 | * @var ?string |
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40 | */ |
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41 | protected $convertedText; |
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42 | |||
43 | /** |
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44 | * Sets the text for this node. |
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45 | * |
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46 | * @param bool $removeDoubleSpace |
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47 | */ |
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48 | 324 | public function __construct(string $text, $removeDoubleSpace = true) |
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49 | { |
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50 | 324 | if ($removeDoubleSpace) { |
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51 | // remove double spaces |
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52 | 321 | $replacedText = \mb_ereg_replace('\s+', ' ', $text); |
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53 | 321 | if ($replacedText === false) { |
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54 | throw new LogicalException('mb_ereg_replace returns false when attempting to clean white space from "' . $text . '".'); |
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55 | } |
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56 | 321 | $text = $replacedText; |
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57 | } |
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58 | |||
59 | // restore line breaks |
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60 | 324 | $text = \str_replace(' ', "\n", $text); |
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61 | |||
62 | 324 | $this->text = $text; |
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63 | 324 | $this->tag = new Tag('text'); |
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64 | 324 | parent::__construct(); |
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65 | 324 | } |
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66 | |||
67 | /** |
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68 | * @param bool $htmlSpecialCharsDecode |
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69 | */ |
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70 | 249 | public function setHtmlSpecialCharsDecode($htmlSpecialCharsDecode = false): void |
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71 | { |
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72 | 249 | parent::setHtmlSpecialCharsDecode($htmlSpecialCharsDecode); |
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73 | 249 | $this->tag->setHtmlSpecialCharsDecode($htmlSpecialCharsDecode); |
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74 | 249 | } |
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75 | |||
76 | /** |
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77 | * Returns the text of this node. |
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78 | */ |
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79 | 216 | public function text(): string |
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80 | { |
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81 | 216 | if ($this->htmlSpecialCharsDecode) { |
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82 | 3 | $text = \htmlspecialchars_decode($this->text); |
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83 | } else { |
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84 | 213 | $text = $this->text; |
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85 | } |
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86 | // convert charset |
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87 | 216 | if (!\is_null($this->encode)) { |
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88 | 159 | if (!\is_null($this->convertedText)) { |
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89 | // we already know the converted value |
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90 | 6 | return $this->convertedText; |
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91 | } |
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92 | 156 | $text = $this->encode->convert($text); |
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93 | |||
94 | // remember the conversion |
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95 | 156 | $this->convertedText = $text; |
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96 | |||
97 | 156 | return $text; |
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98 | } |
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99 | |||
100 | 57 | return $text; |
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101 | } |
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102 | |||
103 | /** |
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104 | * Sets the text for this node. |
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105 | * |
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106 | * @var string |
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107 | */ |
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108 | 9 | public function setText(string $text): void |
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109 | { |
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110 | 9 | $this->text = $text; |
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111 | 9 | if (!\is_null($this->encode)) { |
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112 | 6 | $text = $this->encode->convert($text); |
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113 | |||
114 | // remember the conversion |
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115 | 6 | $this->convertedText = $text; |
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116 | } |
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117 | 9 | } |
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118 | |||
119 | /** |
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120 | * This node has no html, just return the text. |
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121 | * |
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122 | * @uses $this->text() |
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123 | */ |
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124 | 3 | public function innerHtml(): string |
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125 | { |
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126 | 3 | return $this->text(); |
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127 | } |
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128 | |||
129 | /** |
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130 | * This node has no html, just return the text. |
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131 | * |
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132 | * @uses $this->text() |
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133 | */ |
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134 | 6 | public function outerHtml(): string |
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135 | { |
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136 | 6 | return $this->text(); |
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137 | } |
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138 | |||
139 | /** |
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140 | * Checks if the current node is a text node. |
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141 | */ |
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142 | 3 | public function isTextNode(): bool |
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143 | { |
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144 | 3 | return true; |
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145 | } |
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146 | |||
147 | /** |
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148 | * Call this when something in the node tree has changed. Like a child has been added |
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149 | * or a parent has been changed. |
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150 | */ |
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151 | protected function clear(): void |
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152 | { |
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153 | $this->convertedText = null; |
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154 | } |
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155 | } |
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156 |