145 lines
4.0 KiB
PHP
145 lines
4.0 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013 Jonathan Vollebregt (jnvsor@gmail.com), Rokas Šleinius (raveren@gmail.com)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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namespace Kint\Parser;
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use InvalidArgumentException;
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use Kint\Utils;
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use Kint\Zval\Value;
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class ArrayLimitPlugin extends AbstractPlugin
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{
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/**
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* Maximum size of arrays before limiting.
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*
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* @var int
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*/
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public static $trigger = 1000;
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/**
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* Maximum amount of items to show in a limited array.
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*
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* @var int
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*/
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public static $limit = 50;
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/**
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* Don't limit arrays with string keys.
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*
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* @var bool
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*/
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public static $numeric_only = true;
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public function getTypes(): array
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{
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return ['array'];
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}
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public function getTriggers(): int
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{
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return Parser::TRIGGER_BEGIN;
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}
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public function parse(&$var, Value &$o, int $trigger): void
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{
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if (self::$limit >= self::$trigger) {
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throw new InvalidArgumentException('ArrayLimitPlugin::$limit can not be lower than ArrayLimitPlugin::$trigger');
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}
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$depth = $this->parser->getDepthLimit();
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if (!$depth) {
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return;
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}
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if ($o->depth >= $depth - 1) {
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return;
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}
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if (\count($var) < self::$trigger) {
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return;
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}
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if (self::$numeric_only && Utils::isAssoc($var)) {
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return;
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}
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$base = clone $o;
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$base->depth = $depth - 1;
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$obj = $this->parser->parse($var, $base);
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if ('array' != $obj->type) {
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return; // @codeCoverageIgnore
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}
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$obj->depth = $o->depth;
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$i = 0;
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foreach ($obj->value->contents as $child) {
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// We only bother setting the correct depth for the first child,
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// any deeper children should be cancelled by the depth limit
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$child->depth = $o->depth + 1;
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$this->recalcDepthLimit($child);
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}
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$var2 = \array_slice($var, 0, self::$limit, true);
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$base = clone $o;
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$slice = $this->parser->parse($var2, $base);
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\array_splice($obj->value->contents, 0, self::$limit, $slice->value->contents);
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$o = $obj;
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$this->parser->haltParse();
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}
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protected function recalcDepthLimit(Value $o): void
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{
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$hintkey = \array_search('depth_limit', $o->hints, true);
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if (false !== $hintkey) {
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$o->hints[$hintkey] = 'array_limit';
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}
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$reps = $o->getRepresentations();
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if ($o->value) {
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$reps[] = $o->value;
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}
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foreach ($reps as $rep) {
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if ($rep->contents instanceof Value) {
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$this->recalcDepthLimit($rep->contents);
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} elseif (\is_array($rep->contents)) {
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foreach ($rep->contents as $child) {
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if ($child instanceof Value) {
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$this->recalcDepthLimit($child);
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}
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}
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}
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}
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}
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}
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