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<?php |
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/* @description Transformation Style Sheets - Revolutionising PHP templating * |
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* @author Tom Butler [email protected] * |
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* @copyright 2015 Tom Butler <[email protected]> | https://r.je/ * |
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License * |
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* @version 1.0 */ |
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namespace Transphporm\Parser; |
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class StringExtractor { |
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private $str; |
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private $stringTable; |
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public function __construct($str) { |
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$parts = $this->extractStrings($str); |
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$this->str = $parts[0]; |
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$this->stringTable = $parts[1]; |
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} |
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private function extractStrings($str) { |
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$pos = 0; |
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$num = 0; |
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$strings = []; |
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while (isset($str[$pos]) && ($pos = strpos($str, '"', $pos)) !== false) { |
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$end = strpos($str, '"', $pos+1); |
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if (!$end) break; |
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$end = $this->getNextPosEscaped($str, '\\', '"', $end); |
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$strings['$___STR' . ++$num] = substr($str, $pos, $end-$pos+1); |
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$str = substr_replace($str, '$___STR' . $num, $pos, $end-$pos+1); |
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} |
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return [$str, $strings]; |
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} |
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private function getNextPosEscaped($str, $escape, $chr, $start) { |
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while ($str[$start-1] == $escape) $start = strpos($str, $chr, $start+1); |
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return $start; |
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} |
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public function rebuild($str) { |
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return str_replace(array_keys($this->stringTable), array_values($this->stringTable), $str); |
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} |
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public function __toString() { |
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return $this->str; |
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} |
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} |