arthurkushman /
querypath
| 1 | <?php |
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| 2 | /** @file |
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| 3 | * |
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| 4 | * A simple selector. |
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| 5 | * |
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| 6 | */ |
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| 7 | |||
| 8 | namespace QueryPath\CSS; |
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| 9 | |||
| 10 | /** |
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| 11 | * Models a simple selector. |
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| 12 | * |
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| 13 | * CSS Selectors are composed of one or more simple selectors, where |
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| 14 | * each simple selector may have any of the following components: |
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| 15 | * |
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| 16 | * - An element name (or wildcard *) |
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| 17 | * - An ID (#foo) |
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| 18 | * - One or more classes (.foo.bar) |
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| 19 | * - One or more attribute matchers ([foo=bar]) |
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| 20 | * - One or more pseudo-classes (:foo) |
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| 21 | * - One or more pseudo-elements (::first) |
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| 22 | * |
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| 23 | * For performance reasons, this object has been kept as sparse as |
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| 24 | * possible. |
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| 25 | * |
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| 26 | * @since QueryPath 3.x |
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| 27 | * @author M Butcher |
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| 28 | * |
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| 29 | */ |
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| 30 | class SimpleSelector |
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| 31 | { |
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| 32 | |||
| 33 | public const ADJACENT = 0x1; |
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| 34 | public const DIRECT_DESCENDANT = 0x2; |
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| 35 | public const ANOTHER_SELECTOR = 0x4; |
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| 36 | public const SIBLING = 0x8; |
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| 37 | public const ANY_DESCENDANT = 0x10; |
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| 38 | |||
| 39 | public $element; |
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| 40 | public $ns; |
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| 41 | public $id; |
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| 42 | public $classes = []; |
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| 43 | public $attributes = []; |
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| 44 | public $pseudoClasses = []; |
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| 45 | public $pseudoElements = []; |
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| 46 | public $combinator; |
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| 47 | |||
| 48 | /** |
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| 49 | * @param $code |
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| 50 | * @return string |
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| 51 | */ |
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| 52 | public static function attributeOperator($code): string |
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| 53 | { |
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| 54 | switch ($code) { |
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| 55 | case EventHandler::CONTAINS_WITH_SPACE: |
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| 56 | return '~='; |
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| 57 | case EventHandler::CONTAINS_WITH_HYPHEN: |
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| 58 | return '|='; |
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| 59 | case EventHandler::CONTAINS_IN_STRING: |
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| 60 | return '*='; |
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| 61 | case EventHandler::BEGINS_WITH: |
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| 62 | return '^='; |
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| 63 | case EventHandler::ENDS_WITH: |
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| 64 | return '$='; |
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| 65 | default: |
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| 66 | return '='; |
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| 67 | } |
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| 68 | } |
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| 69 | |||
| 70 | /** |
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| 71 | * @param $code |
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| 72 | * @return string |
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| 73 | */ |
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| 74 | public static function combinatorOperator($code): string |
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| 75 | { |
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| 76 | switch ($code) { |
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| 77 | case self::ADJACENT: |
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| 78 | return '+'; |
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| 79 | case self::DIRECT_DESCENDANT: |
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| 80 | return '>'; |
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| 81 | case self::SIBLING: |
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| 82 | return '~'; |
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| 83 | case self::ANOTHER_SELECTOR: |
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| 84 | return ', '; |
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| 85 | case self::ANY_DESCENDANT: |
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| 86 | return ' '; |
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| 87 | default: |
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| 88 | return ''; |
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| 89 | break; |
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| 90 | } |
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| 91 | } |
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| 92 | |||
| 93 | public function __construct() |
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| 94 | { |
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| 95 | } |
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| 96 | |||
| 97 | /** |
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| 98 | * @return bool |
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| 99 | */ |
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| 100 | public function notEmpty(): bool |
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| 101 | { |
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| 102 | return !empty($this->element) |
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| 103 | && !empty($this->id) |
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| 104 | && !empty($this->classes) |
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| 105 | && !empty($this->combinator) |
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| 106 | && !empty($this->attributes) |
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| 107 | && !empty($this->pseudoClasses) |
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| 108 | && !empty($this->pseudoElements); |
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| 109 | } |
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| 110 | |||
| 111 | public function __toString() |
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| 112 | { |
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| 113 | $buffer = []; |
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| 114 | try { |
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| 115 | |||
| 116 | if (!empty($this->ns)) { |
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| 117 | $buffer[] = $this->ns; |
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| 118 | $buffer[] = '|'; |
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| 119 | } |
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| 120 | if (!empty($this->element)) { |
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| 121 | $buffer[] = $this->element; |
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| 122 | } |
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| 123 | if (!empty($this->id)) { |
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| 124 | $buffer[] = '#' . $this->id; |
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| 125 | } |
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| 126 | if (!empty($this->attributes)) { |
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| 127 | foreach ($this->attributes as $attr) { |
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| 128 | $buffer[] = '['; |
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| 129 | if (!empty($attr['ns'])) { |
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| 130 | $buffer[] = $attr['ns'] . '|'; |
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| 131 | } |
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| 132 | $buffer[] = $attr['name']; |
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| 133 | if (!empty($attr['value'])) { |
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| 134 | $buffer[] = self::attributeOperator($attr['op']); |
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| 135 | $buffer[] = $attr['value']; |
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| 136 | } |
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| 137 | $buffer[] = ']'; |
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| 138 | } |
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| 139 | } |
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| 140 | if (!empty($this->pseudoClasses)) { |
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| 141 | foreach ($this->pseudoClasses as $ps) { |
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| 142 | $buffer[] = ':' . $ps['name']; |
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| 143 | if (isset($ps['value'])) { |
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| 144 | $buffer[] = '(' . $ps['value'] . ')'; |
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| 145 | } |
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| 146 | } |
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| 147 | } |
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| 148 | foreach ($this->pseudoElements as $pe) { |
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| 149 | $buffer[] = '::' . $pe; |
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| 150 | } |
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| 151 | |||
| 152 | if (!empty($this->combinator)) { |
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| 153 | $buffer[] = self::combinatorOperator($this->combinator); |
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| 154 | } |
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| 155 | |||
| 156 | } catch (\Exception $e) { |
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| 157 | return $e->getMessage(); |
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| 158 | } |
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| 159 | |||
| 160 | return implode('', $buffer); |
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| 161 | } |
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| 162 | |||
| 163 | } |
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| 164 |
The
breakstatement is not necessary if it is preceded for example by areturnstatement:If you would like to keep this construct to be consistent with other
casestatements, you can safely mark this issue as a false-positive.