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<?php |
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/** |
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* File containing the {@see Mailcode_Parser_Safeguard_Formatter_Type_SingleLines} class. |
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* |
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* @package Mailcode |
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* @subpackage Parser |
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* @see Mailcode_Parser_Safeguard_Formatter_Type_SingleLines |
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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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* Abstract safeguard formatter location: this is where the decision |
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* is made whether a specific placeholder instance needs to be |
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* transformed according to the formatter. |
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* |
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* @package Mailcode |
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* @subpackage Parser |
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* @author Sebastian Mordziol <[email protected]> |
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*/ |
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abstract class Mailcode_Parser_Safeguard_Formatter_Location |
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{ |
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const ERROR_PLACEHOLDER_NOT_FOUND = 66001; |
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/** |
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* @var Mailcode_Parser_Safeguard_Formatter |
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*/ |
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protected $formatter; |
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/** |
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* @var string |
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*/ |
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protected $append = ''; |
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/** |
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* @var string |
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*/ |
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protected $prepend = ''; |
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/** |
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* @var Mailcode_Parser_Safeguard_Placeholder |
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*/ |
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protected $placeholder; |
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/** |
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* @var Mailcode_StringContainer |
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*/ |
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protected $subject; |
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public function __construct(Mailcode_Parser_Safeguard_Formatter $formatter, Mailcode_Parser_Safeguard_Placeholder $placeholder) |
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{ |
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$this->formatter = $formatter; |
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$this->placeholder = $placeholder; |
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$this->subject = $formatter->getSubject(); |
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$this->init(); |
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} |
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abstract protected function init() : void; |
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abstract public function requiresAdjustment() : bool; |
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/** |
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* @return int|boolean |
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*/ |
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public function getStartPosition() |
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{ |
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return $this->subject->getSubstrPosition($this->placeholder->getReplacementText()); |
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} |
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/** |
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* Checks whether the specified position within the string |
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* is within another command's placeholder (excluding this |
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* location's placeholder). |
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* |
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* @param int $position |
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* @return bool |
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*/ |
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public function isWithinCommand(int $position) : bool |
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{ |
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$placeholders = $this->formatter->getSafeguard()->getPlaceholders(); |
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$placeholderID = $this->placeholder->getID(); |
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foreach($placeholders as $placeholder) |
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{ |
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if($placeholder->getID() === $placeholderID) |
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{ |
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continue; |
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} |
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$start = $this->subject->getSubstrPosition($placeholder->getReplacementText()); |
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if($start === false) |
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{ |
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continue; |
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} |
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$end = $start + $placeholder->getLength(); |
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if($position >= $start && $position <= $end) |
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{ |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* @return int|boolean |
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*/ |
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public function getEndPosition() |
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{ |
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$start = $this->getStartPosition(); |
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if($start !== false) |
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{ |
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return $start + $this->placeholder->getLength(); |
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} |
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return false; |
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} |
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public function getSubject() : Mailcode_StringContainer |
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{ |
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return $this->subject; |
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} |
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public function getPlaceholder() : Mailcode_Parser_Safeguard_Placeholder |
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{ |
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return $this->placeholder; |
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} |
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/** |
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* Replaces the placeholder with the specified replacement text. |
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* |
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* @param string $replacementText |
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* @throws Mailcode_Exception |
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* |
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* @see Mailcode_Parser_Safeguard_Formatter_Location::ERROR_PLACEHOLDER_NOT_FOUND |
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*/ |
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public function replaceWith(string $replacementText) : void |
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{ |
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$needle = $this->placeholder->getReplacementText(); |
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if($this->subject->replaceSubstrings($needle, $replacementText)) |
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{ |
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return; |
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} |
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throw new Mailcode_Exception( |
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'Could not find the placeholder to replace', |
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sprintf( |
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'The placeholder [%s] was not found in the string.', |
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$needle |
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), |
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self::ERROR_PLACEHOLDER_NOT_FOUND |
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); |
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} |
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public function format() : void |
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{ |
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if($this->requiresAdjustment() && (!empty($this->prepend) || !empty($this->append))) |
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{ |
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$this->replaceWith(sprintf( |
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'%s%s%s', |
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$this->prepend, |
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$this->placeholder->getReplacementText(), |
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$this->append |
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)); |
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} |
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} |
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} |
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Mistralys /
mailcode
