Differential D21097 Diff 50252 src/ref/file/ArcanistFileSymbolRef.php

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				<?php

				final class ArcanistFileSymbolRef
				extends ArcanistSymbolRef {

				private $type;

				const TYPE_ID = 'id';
				const TYPE_PHID = 'phid';

				public function getRefDisplayName() {
				return pht('File Symbol "%s"', $this->getSymbol());
				}

				protected function newCacheKeyParts() {
				return array(
				sprintf('type(%s)', $this->type),
				);
				}

				public function getSymbolType() {
				return $this->type;
				}

				protected function resolveSymbol($symbol) {
				$matches = null;

				$is_id = preg_match('/^[Ff]?([1-9]\d*)\z/', $symbol, $matches);
				if ($is_id) {
				$this->type = self::TYPE_ID;
				return (int)$matches[1];
				}

				$is_phid = preg_match('/^PHID-FILE-\S+\z/', $symbol, $matches);
				if ($is_phid) {
				$this->type = self::TYPE_PHID;
				return $matches[0];
				}

				throw new PhutilArgumentUsageException(
				pht(
				'The format of file symbol "%s" is unrecognized. Expected a '.
				'monogram like "F123", or an ID like "123", or a file PHID.',
				$symbol));
				}

				}