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<?php |
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/** |
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* File containing the {@see \Mailcode\Mailcode_Variables} class. |
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* |
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* @package Mailcode |
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* @subpackage Variables |
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* @see \Mailcode\Mailcode_Variables |
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*/ |
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declare(strict_types=1); |
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namespace Mailcode; |
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/** |
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* Handler for all variable-related tasks. |
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* |
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* @package Mailcode |
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* @subpackage Variables |
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* @author Sebastian Mordziol <[email protected]> |
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*/ |
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class Mailcode_Variables |
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{ |
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public const REGEX_VARIABLE_NAME = '/\$\s*([A-Z0-9_]+)\s*\.\s*([A-Z0-9_]+)|\$\s*([A-Z0-9_]+)/six'; |
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/** |
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* @var Mailcode_Variables_Collection_Regular |
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*/ |
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protected Mailcode_Variables_Collection_Regular $collection; |
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/** |
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* Parses the specified string to find all variable names contained within, if any. |
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* |
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* @param string $subject |
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* @param Mailcode_Commands_Command|null $sourceCommand |
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* @return Mailcode_Variables_Collection_Regular |
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*/ |
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public function parseString(string $subject, ?Mailcode_Commands_Command $sourceCommand=null) : Mailcode_Variables_Collection_Regular |
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{ |
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$this->collection = new Mailcode_Variables_Collection_Regular(); |
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$matches = array(); |
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preg_match_all(self::REGEX_VARIABLE_NAME, $subject, $matches, PREG_PATTERN_ORDER); |
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if(empty($matches[0])) |
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{ |
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return $this->collection; |
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} |
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foreach($matches[0] as $idx => $matchedText) |
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{ |
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if(!empty($matches[3][$idx])) |
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{ |
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$this->addSingle($matches[3][$idx], $matchedText, $sourceCommand); |
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} |
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else |
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{ |
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$this->addPathed($matches[1][$idx], $matches[2][$idx], $matchedText, $sourceCommand); |
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} |
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} |
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return $this->collection; |
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} |
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protected function addSingle(string $name, string $matchedText, ?Mailcode_Commands_Command $sourceCommand=null) : void |
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{ |
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// ignore US style numbers like $451 |
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if(is_numeric($name)) |
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{ |
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return; |
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} |
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$this->collection->add(new Mailcode_Variables_Variable('', $name, $matchedText, $sourceCommand)); |
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} |
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protected function addPathed(string $path, string $name, string $matchedText, ?Mailcode_Commands_Command $sourceCommand=null) : void |
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{ |
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// ignore US style numbers like $45.12 |
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if(is_numeric($path.'.'.$name)) |
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{ |
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return; |
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} |
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$this->collection->add(new Mailcode_Variables_Variable($path, $name, $matchedText, $sourceCommand)); |
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} |
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public static function dollarizeName(string $name) : string |
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{ |
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return '$'.self::undollarizeName($name); |
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} |
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public static function undollarizeName(string $name) : string |
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{ |
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return ltrim($name, '$'); |
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} |
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public function createVariable(string $path, ?string $name='') : Mailcode_Variables_Variable |
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{ |
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if(empty($name)) { |
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$fullName = dollarize($path); |
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$name = $path; |
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$path = ''; |
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} else { |
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$fullName = dollarize($path.'.'.$name); |
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} |
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return new Mailcode_Variables_Variable($path, $name, $fullName); |
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} |
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public function createVariableByName(string $name) : Mailcode_Variables_Variable |
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{ |
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$parts = explode('.', undollarize($name)); |
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if(count($parts) === 1) { |
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return $this->createVariable($parts[0]); |
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} |
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return $this->createVariable($parts[0], $parts[1]); |
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} |
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} |
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Mistralys /
mailcode
