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<?php |
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/* |
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* This file is part of the PhpM3u8 package. |
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* |
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* (c) Chrisyue <https://chrisyue.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 Chrisyue\PhpM3u8\Line; |
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class Line |
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{ |
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const TYPE_URI = 'uri'; |
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const TYPE_TAG = 'tag'; |
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private $tag; |
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private $value; |
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public function __construct($tag = null, $value = null) |
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{ |
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if (null === $tag && null === $value) { |
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throw new \InvalidArgumentException('$tag and $value can not both be null'); |
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} |
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$this->tag = $tag; |
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$this->value = $value; |
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} |
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public static function fromString($line) |
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{ |
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$line = trim($line); |
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if (empty($line)) { |
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return; |
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} |
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if ('#' !== $line[0]) { |
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return new Line(null, $line); |
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} |
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$line = ltrim($line, '#'); |
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if (empty($line)) { |
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return; |
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} |
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list($tag, $value) = array_pad(explode(':', $line, 2), 2, true); |
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return new self($tag, $value); |
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} |
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public function getTag() |
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{ |
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return $this->tag; |
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} |
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public function getValue() |
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{ |
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return $this->value; |
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} |
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public function isType($type) |
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{ |
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return $this->getType() === $type; |
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} |
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public function __toString() |
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{ |
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if ($this->isType(Line::TYPE_URI)) { |
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return $this->value; |
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} |
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if (true === $this->value) { |
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return sprintf('#%s', $this->tag); |
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} |
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if (false === $this->value) { |
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return ''; |
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} |
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return sprintf('#%s:%s', $this->tag, $this->value); |
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} |
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private function getType() |
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{ |
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if (null !== $this->tag) { |
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return self::TYPE_TAG; |
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} |
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return self::TYPE_URI; |
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} |
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} |
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chrisyue /
php-m3u8
