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<?php |
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namespace Geezify\Helper; |
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use Geezify\Converter\Converter; |
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use Geezify\Exception\NotGeezArgumentException; |
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use SplQueue as Queue; |
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/** |
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* GeezParser parse the geez number to a queue. |
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*/ |
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class GeezParser |
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{ |
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/** |
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* @var string |
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*/ |
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protected $geez_number; |
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/** |
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* @var Queue |
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*/ |
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protected $parsed; |
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/** |
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* GeezParser constructor. |
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* |
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* @param $geez_number |
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* |
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* @throws NotGeezArgumentException |
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*/ |
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public function __construct($geez_number) |
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{ |
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$this->setGeezNumber($geez_number); |
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$this->parsed = null; |
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} |
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/** |
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* @param $geez_number |
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* |
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* @throws NotGeezArgumentException |
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*/ |
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protected function setGeezNumber($geez_number) |
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{ |
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if (!is_string($geez_number)) { |
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throw new NotGeezArgumentException(gettype($geez_number)); |
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} |
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$this->geez_number = $geez_number; |
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} |
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public function getParsed() |
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{ |
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return $this->parsed; |
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} |
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/** |
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* Swing the magic wand and say the spell. |
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*/ |
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public function parse() |
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{ |
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$this->parsed = new Queue(); |
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$block = 0; |
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$length = $this->getLength($this->geez_number); |
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for ($index = 0; $index < $length; $index++) { |
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$this->parseCharacter($index, $block); |
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} |
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$this->pushToQueue($block, 1); |
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} |
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/** |
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* Get the length of the string. |
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* |
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* @param $geez_number |
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* |
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* @return int |
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*/ |
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protected function getLength($geez_number) |
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{ |
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return \mb_strlen($geez_number, 'UTF-8'); |
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} |
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/** |
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* Parse a geez character. |
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* |
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* @param $index integer |
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* @param $block integer |
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* |
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* @throws \Geezify\Exception\NotGeezArgumentException |
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*/ |
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protected function parseCharacter($index, &$block) |
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{ |
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$ascii_number = $this->parseGeezAtIndex($index); |
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if ($this->isNotGeezSeparator($ascii_number)) { |
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$block += $ascii_number; |
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} else { |
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$this->pushToQueue($block, $ascii_number); |
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$block = 0; |
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} |
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} |
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/** |
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* Get the ascii number from geez number string. |
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* |
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* @param $index |
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* |
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* @throws \Geezify\Exception\NotGeezArgumentException |
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* |
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* @return int |
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*/ |
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protected function parseGeezAtIndex($index) |
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{ |
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$geez_char = $this->getCharacterAt($this->geez_number, $index); |
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return $this->getAsciiNumber($geez_char); |
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} |
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/** |
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* Fetch z character at $index from the geez number string. |
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* |
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* @param $geez_number |
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* @param $index |
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* |
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* @return string |
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*/ |
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protected function getCharacterAt($geez_number, $index) |
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{ |
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return \mb_substr($geez_number, $index, 1, 'UTF-8'); |
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} |
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/** |
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* Convert geez number character to ascii. |
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* |
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* @param $geez_number |
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* |
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* @throws NotGeezArgumentException |
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* |
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* @return int |
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*/ |
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protected function getAsciiNumber($geez_number) |
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{ |
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$ascii_number = array_search($geez_number, Converter::GEEZ_NUMBERS, true); |
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if ($ascii_number === false) { |
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throw new NotGeezArgumentException($geez_number); |
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} |
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return $ascii_number; |
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} |
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/** |
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* @param $ascii_number |
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* |
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* @return bool |
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*/ |
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protected function isNotGeezSeparator($ascii_number) |
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{ |
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return $ascii_number < 99; |
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} |
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/** |
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* Push to the queue. |
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* |
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* @param $block |
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* @param $separator |
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*/ |
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protected function pushToQueue($block, $separator) |
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{ |
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$this->parsed->push( |
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compact('block', 'separator') |
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); |
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} |
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} |
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geezify /
geezify-php
