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1 <?php
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2
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3 /*
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4 * This file is part of the Symfony package.
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5 *
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6 * (c) Fabien Potencier <fabien@symfony.com>
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7 *
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8 * For the full copyright and license information, please view the LICENSE
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9 * file that was distributed with this source code.
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10 */
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11
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12 namespace Symfony\Component\CssSelector\Parser;
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13
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14 /**
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15 * CSS selector token.
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16 *
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17 * This component is a port of the Python cssselect library,
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18 * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
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19 *
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20 * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
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21 *
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22 * @internal
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23 */
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24 class Token
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25 {
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26 const TYPE_FILE_END = 'eof';
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27 const TYPE_DELIMITER = 'delimiter';
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28 const TYPE_WHITESPACE = 'whitespace';
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29 const TYPE_IDENTIFIER = 'identifier';
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30 const TYPE_HASH = 'hash';
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31 const TYPE_NUMBER = 'number';
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32 const TYPE_STRING = 'string';
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33
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34 private $type;
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35 private $value;
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36 private $position;
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37
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38 /**
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39 * @param int $type
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40 * @param string $value
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41 * @param int $position
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42 */
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43 public function __construct($type, $value, $position)
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44 {
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45 $this->type = $type;
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46 $this->value = $value;
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47 $this->position = $position;
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48 }
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49
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50 /**
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51 * @return int
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52 */
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53 public function getType()
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54 {
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55 return $this->type;
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56 }
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57
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58 /**
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59 * @return string
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60 */
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61 public function getValue()
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62 {
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63 return $this->value;
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64 }
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65
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66 /**
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67 * @return int
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68 */
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69 public function getPosition()
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70 {
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71 return $this->position;
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72 }
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73
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74 /**
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75 * @return bool
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76 */
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77 public function isFileEnd()
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78 {
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79 return self::TYPE_FILE_END === $this->type;
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80 }
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81
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82 /**
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83 * @return bool
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84 */
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85 public function isDelimiter(array $values = [])
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86 {
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87 if (self::TYPE_DELIMITER !== $this->type) {
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88 return false;
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89 }
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90
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91 if (empty($values)) {
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92 return true;
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93 }
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94
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95 return \in_array($this->value, $values);
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96 }
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97
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98 /**
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99 * @return bool
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100 */
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101 public function isWhitespace()
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102 {
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103 return self::TYPE_WHITESPACE === $this->type;
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104 }
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105
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106 /**
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107 * @return bool
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108 */
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109 public function isIdentifier()
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110 {
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111 return self::TYPE_IDENTIFIER === $this->type;
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112 }
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113
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114 /**
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115 * @return bool
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116 */
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117 public function isHash()
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118 {
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119 return self::TYPE_HASH === $this->type;
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120 }
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121
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122 /**
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123 * @return bool
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124 */
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125 public function isNumber()
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126 {
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127 return self::TYPE_NUMBER === $this->type;
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128 }
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129
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130 /**
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131 * @return bool
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132 */
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133 public function isString()
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134 {
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135 return self::TYPE_STRING === $this->type;
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136 }
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137
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138 /**
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139 * @return string
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140 */
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141 public function __toString()
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142 {
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143 if ($this->value) {
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144 return sprintf('<%s "%s" at %s>', $this->type, $this->value, $this->position);
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145 }
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146
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147 return sprintf('<%s at %s>', $this->type, $this->position);
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148 }
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149 }
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