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37 lines
1.0 KiB
37 lines
1.0 KiB
<?php
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/** @license MIT
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* Copyright 2021 Dustin Wilson et al.
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* See LICENSE file for details */
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declare(strict_types=1);
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namespace dW\Lit\Scope;
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class Filter extends Node {
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protected Group|Path $_child;
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protected bool $frozen = false;
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protected string $_operator;
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protected string $_side;
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public function __construct(Selector $parent, string $side) {
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$this->_parent = \WeakReference::create($parent);
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$this->_side = $side;
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}
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public function __set(string $name, $value) {
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if ($name !== 'child') {
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$trace = debug_backtrace();
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trigger_error("Cannot set undefined property $name in {$trace[0]['file']} on line {$trace[0]['line']}", E_USER_NOTICE);
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}
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if ($this->frozen) {
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$trace = debug_backtrace();
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trigger_error("Cannot set readonly $name property in {$trace[0]['file']} on line {$trace[0]['line']}", E_USER_NOTICE);
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return;
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}
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$this->frozen = true;
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$this->_child = $value;
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}
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}
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