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| 1 | <?php |
| 2 | /** |
| 3 | * @private |
| 4 | * @see less-3.13.1.js#Declaration.prototype |
| 5 | * @todo check for feature parity with 3.13.1 |
| 6 | */ |
| 7 | class Less_Tree_Declaration extends Less_Tree implements Less_Tree_HasValueProperty { |
| 8 | |
| 9 | public $name; |
| 10 | /** @var Less_Tree[]|Less_Tree_Anonymous */ |
| 11 | public $value; |
| 12 | /** @var string */ |
| 13 | public $important; |
| 14 | public $merge; |
| 15 | public $index; |
| 16 | public $inline; |
| 17 | public $variable; |
| 18 | public $currentFileInfo; |
| 19 | |
| 20 | /** |
| 21 | * In the upstream `parsed` is stored in `Node`, but Less_Tree_Declaration is the only place |
| 22 | * that make use of it. |
| 23 | * @see less-3.13.1.js#Node.parsed |
| 24 | * @var bool |
| 25 | */ |
| 26 | public $parsed = false; |
| 27 | |
| 28 | /** |
| 29 | * @param string|array<Less_Tree_Keyword|Less_Tree_Variable> $name |
| 30 | * @param Less_Tree|string|null $value |
| 31 | * @param null|false|string $important |
| 32 | * @param null|false|string $merge |
| 33 | * @param int|null $index |
| 34 | * @param array|null $currentFileInfo |
| 35 | * @param bool $inline |
| 36 | * @param bool|null $variable |
| 37 | */ |
| 38 | public function __construct( $name, $value = null, $important = null, $merge = null, |
| 39 | $index = null, $currentFileInfo = null, $inline = false, $variable = null ) { |
| 40 | $this->name = $name; |
| 41 | $this->value = ( $value instanceof Less_Tree ) |
| 42 | ? $value |
| 43 | : new Less_Tree_Value( [ $value ? new Less_Tree_Anonymous( $value ) : null ] ); |
| 44 | $this->important = $important ? ' ' . trim( $important ) : ''; |
| 45 | $this->merge = $merge; |
| 46 | $this->index = $index; |
| 47 | $this->currentFileInfo = $currentFileInfo; |
| 48 | $this->inline = $inline; |
| 49 | $this->variable = $variable ?? ( is_string( $name ) && $name[0] === '@' ); |
| 50 | } |
| 51 | |
| 52 | public function accept( $visitor ) { |
| 53 | $this->value = $visitor->visitObj( $this->value ); |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * @see less-2.5.3.js#Rule.prototype.genCSS |
| 58 | */ |
| 59 | public function genCSS( $output ) { |
| 60 | $output->add( $this->name . ( Less_Parser::$options['compress'] ? ':' : ': ' ), $this->currentFileInfo, $this->index ); |
| 61 | try { |
| 62 | $this->value->genCSS( $output ); |
| 63 | |
| 64 | } catch ( Less_Exception_Parser $e ) { |
| 65 | $e->index = $this->index; |
| 66 | $e->currentFile = $this->currentFileInfo; |
| 67 | throw $e; |
| 68 | } |
| 69 | $output->add( $this->important . ( ( $this->inline || ( Less_Environment::$lastRule && Less_Parser::$options['compress'] ) ) ? "" : ";" ), $this->currentFileInfo, $this->index ); |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * @see less-2.5.3.js#Rule.prototype.eval |
| 74 | * @param Less_Environment $env |
| 75 | * @return self |
| 76 | */ |
| 77 | public function compile( $env ) { |
| 78 | $variable = $this->variable; |
| 79 | $name = $this->name; |
| 80 | if ( is_array( $name ) ) { |
| 81 | // expand 'primitive' name directly to get |
| 82 | // things faster (~10% for benchmark.less): |
| 83 | if ( count( $name ) === 1 && $name[0] instanceof Less_Tree_Keyword ) { |
| 84 | $name = $name[0]->value; |
| 85 | } else { |
| 86 | $name = $this->CompileName( $env, $name ); |
| 87 | } |
| 88 | $variable = false; // never treat expanded interpolation as new variable name |
| 89 | } |
| 90 | |
| 91 | $mathBypass = false; |
| 92 | $prevMath = $env->math; |
| 93 | if ( $name === "font" && $env->math === Less_Environment::MATH_ALWAYS ) { |
| 94 | $mathBypass = true; |
| 95 | $env->math = Less_Environment::MATH_PARENS_DIVISION; |
| 96 | } |
| 97 | |
| 98 | try { |
| 99 | $env->importantScope[] = []; |
| 100 | $evaldValue = $this->value->compile( $env ); |
| 101 | |
| 102 | if ( !$this->variable && $evaldValue instanceof Less_Tree_DetachedRuleset ) { |
| 103 | throw new Less_Exception_Compiler( "Rulesets cannot be evaluated on a property.", null, $this->index, $this->currentFileInfo ); |
| 104 | } |
| 105 | |
| 106 | $important = $this->important; |
| 107 | $importantResult = array_pop( $env->importantScope ); |
| 108 | |
| 109 | if ( !$important && isset( $importantResult['important'] ) && $importantResult['important'] ) { |
| 110 | $important = $importantResult['important']; |
| 111 | } |
| 112 | |
| 113 | $return = new Less_Tree_Declaration( $name, |
| 114 | $evaldValue, |
| 115 | $important, |
| 116 | $this->merge, |
| 117 | $this->index, |
| 118 | $this->currentFileInfo, |
| 119 | $this->inline, |
| 120 | $variable, |
| 121 | ); |
| 122 | |
| 123 | } catch ( Less_Exception_Parser $e ) { |
| 124 | if ( !is_numeric( $e->index ) ) { |
| 125 | $e->index = $this->index; |
| 126 | $e->currentFile = $this->currentFileInfo; |
| 127 | $e->genMessage(); |
| 128 | } |
| 129 | throw $e; |
| 130 | } |
| 131 | |
| 132 | if ( $mathBypass ) { |
| 133 | $env->math = $prevMath; |
| 134 | } |
| 135 | |
| 136 | return $return; |
| 137 | } |
| 138 | |
| 139 | public function CompileName( $env, $name ) { |
| 140 | $output = new Less_Output(); |
| 141 | foreach ( $name as $n ) { |
| 142 | $n->compile( $env )->genCSS( $output ); |
| 143 | } |
| 144 | return $output->toString(); |
| 145 | } |
| 146 | |
| 147 | public function makeImportant() { |
| 148 | return new self( $this->name, $this->value, '!important', $this->merge, $this->index, $this->currentFileInfo, $this->inline ); |
| 149 | } |
| 150 | |
| 151 | public function mark( $value ) { |
| 152 | if ( !is_array( $this->value ) ) { |
| 153 | |
| 154 | if ( method_exists( $value, 'markReferenced' ) ) { |
| 155 | $value->markReferenced(); |
| 156 | } |
| 157 | } else { |
| 158 | foreach ( $this->value as $v ) { |
| 159 | $this->mark( $v ); |
| 160 | } |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | public function markReferenced() { |
| 165 | if ( $this->value ) { |
| 166 | $this->mark( $this->value ); |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | } |