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<?php |
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/* |
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* This file is part of Badcow DNS Library. |
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* |
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* (c) Samuel Williams <[email protected]> |
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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 Badcow\DNS\Rdata; |
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/** |
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* Class LocRdata. |
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* |
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* Mechanism to allow the DNS to carry location |
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* information about hosts, networks, and subnets. |
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* |
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* @see http://tools.ietf.org/html/rfc1876 |
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*/ |
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class LOC implements RdataInterface |
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{ |
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use RdataTrait; |
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const TYPE = 'LOC'; |
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const LATITUDE = 'LATITUDE'; |
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const LONGITUDE = 'LONGITUDE'; |
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const FORMAT_DECIMAL = 'DECIMAL'; |
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const FORMAT_DMS = 'DMS'; |
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/** |
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* @var float |
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*/ |
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private $latitude; |
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/** |
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* @var float |
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*/ |
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private $longitude; |
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/** |
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* @var float |
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*/ |
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private $altitude = 0.0; |
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/** |
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* @var float |
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*/ |
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private $size = 1.0; |
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/** |
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* @var float |
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*/ |
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private $horizontalPrecision = 10000.0; |
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/** |
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* @var float |
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*/ |
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private $verticalPrecision = 10.0; |
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/** |
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* @param float $latitude |
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*/ |
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public function setLatitude(float $latitude): void |
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{ |
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$this->latitude = (float) $latitude; |
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} |
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/** |
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* @param string $format |
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* |
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* @return float|string |
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*/ |
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public function getLatitude(string $format = self::FORMAT_DECIMAL) |
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{ |
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if (self::FORMAT_DMS === $format) { |
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return $this->toDms($this->latitude, self::LATITUDE); |
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} |
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return $this->latitude; |
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} |
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/** |
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* @param float $longitude |
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*/ |
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public function setLongitude(float $longitude): void |
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{ |
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$this->longitude = (float) $longitude; |
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} |
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/** |
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* @param string $format |
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* |
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* @return float|string |
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*/ |
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public function getLongitude(string $format = self::FORMAT_DECIMAL) |
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{ |
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if (self::FORMAT_DMS === $format) { |
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return $this->toDms($this->longitude, self::LONGITUDE); |
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} |
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return $this->longitude; |
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} |
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/** |
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* @param float $altitude |
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* |
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* @throws \OutOfRangeException |
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*/ |
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public function setAltitude(float $altitude): void |
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{ |
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if ($altitude < -100000.00 || $altitude > 42849672.95) { |
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throw new \OutOfRangeException('The altitude must be on [-100000.00, 42849672.95].'); |
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} |
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$this->altitude = (float) $altitude; |
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} |
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/** |
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* @return float |
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*/ |
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public function getAltitude(): float |
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{ |
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return $this->altitude; |
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} |
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/** |
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* @param float $horizontalPrecision |
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* |
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* @throws \OutOfRangeException |
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*/ |
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public function setHorizontalPrecision(float $horizontalPrecision): void |
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{ |
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if ($horizontalPrecision < 0 || $horizontalPrecision > 90000000.0) { |
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throw new \OutOfRangeException('The horizontal precision must be on [0, 90000000.0].'); |
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} |
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$this->horizontalPrecision = (float) $horizontalPrecision; |
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} |
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/** |
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* @return float |
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*/ |
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public function getHorizontalPrecision(): float |
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{ |
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return $this->horizontalPrecision; |
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} |
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/** |
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* @param float $size |
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* |
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* @throws \OutOfRangeException |
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*/ |
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public function setSize(float $size): void |
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{ |
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if ($size < 0 || $size > 90000000.0) { |
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throw new \OutOfRangeException('The size must be on [0, 90000000.0].'); |
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} |
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$this->size = (float) $size; |
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} |
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/** |
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* @return float |
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*/ |
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public function getSize(): float |
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{ |
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return $this->size; |
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} |
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/** |
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* @param float $verticalPrecision |
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* |
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* @throws \OutOfRangeException |
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*/ |
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public function setVerticalPrecision(float $verticalPrecision): void |
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{ |
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if ($verticalPrecision < 0 || $verticalPrecision > 90000000.0) { |
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throw new \OutOfRangeException('The vertical precision must be on [0, 90000000.0].'); |
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} |
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$this->verticalPrecision = $verticalPrecision; |
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} |
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/** |
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* @return float |
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*/ |
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public function getVerticalPrecision(): float |
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{ |
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return $this->verticalPrecision; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function output(): string |
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{ |
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return sprintf( |
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'%s %s %.2fm %.2fm %.2fm %.2fm', |
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$this->getLatitude(self::FORMAT_DMS), |
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$this->getLongitude(self::FORMAT_DMS), |
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$this->altitude, |
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$this->size, |
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$this->horizontalPrecision, |
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$this->verticalPrecision |
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); |
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} |
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/** |
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* Determine the degree minute seconds value from decimal. |
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* |
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* @param float $decimal |
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* @param string $axis |
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* |
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* @return string |
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*/ |
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private function toDms(float $decimal, string $axis = self::LATITUDE): string |
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{ |
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$d = (int) floor(abs($decimal)); |
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$m = (int) floor((abs($decimal) - $d) * 60); |
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$s = ((abs($decimal) - $d) * 60 - $m) * 60; |
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if (self::LATITUDE === $axis) { |
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$h = ($decimal < 0) ? 'S' : 'N'; |
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} else { |
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$h = ($decimal < 0) ? 'W' : 'E'; |
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} |
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return sprintf('%d %d %.3f %s', $d, $m, $s, $h); |
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} |
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} |
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