160 lines
3.2 KiB
PHP
Executable File
160 lines
3.2 KiB
PHP
Executable File
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpFoundation;
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/**
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* Represents an Accept-* header item.
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*
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* @author Jean-François Simon <contact@jfsimon.fr>
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*/
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class AcceptHeaderItem
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{
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private string $value;
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private float $quality = 1.0;
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private int $index = 0;
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private array $attributes = [];
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public function __construct(string $value, array $attributes = [])
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{
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$this->value = $value;
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foreach ($attributes as $name => $value) {
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$this->setAttribute($name, $value);
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}
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}
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/**
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* Builds an AcceptHeaderInstance instance from a string.
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*/
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public static function fromString(?string $itemValue): self
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{
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$parts = HeaderUtils::split($itemValue ?? '', ';=');
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$part = array_shift($parts);
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$attributes = HeaderUtils::combine($parts);
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return new self($part[0], $attributes);
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}
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/**
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* Returns header value's string representation.
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*/
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public function __toString(): string
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{
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$string = $this->value.($this->quality < 1 ? ';q='.$this->quality : '');
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if (\count($this->attributes) > 0) {
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$string .= '; '.HeaderUtils::toString($this->attributes, ';');
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}
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return $string;
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}
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/**
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* Set the item value.
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*
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* @return $this
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*/
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public function setValue(string $value): static
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{
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$this->value = $value;
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return $this;
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}
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/**
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* Returns the item value.
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*/
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public function getValue(): string
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{
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return $this->value;
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}
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/**
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* Set the item quality.
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*
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* @return $this
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*/
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public function setQuality(float $quality): static
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{
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$this->quality = $quality;
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return $this;
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}
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/**
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* Returns the item quality.
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*/
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public function getQuality(): float
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{
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return $this->quality;
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}
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/**
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* Set the item index.
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*
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* @return $this
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*/
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public function setIndex(int $index): static
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{
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$this->index = $index;
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return $this;
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}
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/**
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* Returns the item index.
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*/
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public function getIndex(): int
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{
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return $this->index;
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}
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/**
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* Tests if an attribute exists.
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*/
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public function hasAttribute(string $name): bool
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{
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return isset($this->attributes[$name]);
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}
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/**
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* Returns an attribute by its name.
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*/
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public function getAttribute(string $name, mixed $default = null): mixed
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{
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return $this->attributes[$name] ?? $default;
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}
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/**
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* Returns all attributes.
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*/
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public function getAttributes(): array
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{
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return $this->attributes;
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}
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/**
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* Set an attribute.
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*
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* @return $this
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*/
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public function setAttribute(string $name, string $value): static
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{
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if ('q' === $name) {
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$this->quality = (float) $value;
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} else {
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$this->attributes[$name] = $value;
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}
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return $this;
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}
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}
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