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				<?php

				/**
				* Enforces Qt5 SIGNAL/SLOT connect style
				*/

				final class Qt5Linter extends ArcanistLinter {

				const QT4_CONNECT_SYNTAX_FOUND = 1;

				public function getInfoName() {
				return 'lint-qt';
				}

				public function getInfoDescription() {
				return pht('Check qt files for regressions in SIGNAL/SLOT connection '.
				'styles from Qt5 to Qt4.');
				}

				public function getLinterName() {
				return 'lint-qt';
				}

				public function getLinterConfigurationName() {
				return 'lint-qt';
				}

				public function getLintSeverityMap() {
				return array(
				self::QT4_CONNECT_SYNTAX_FOUND => ArcanistLintSeverity::SEVERITY_ERROR);
				}

				public function getLintNameMap() {
				return array(
				self::QT4_CONNECT_SYNTAX_FOUND => pht('Qt5 SIGNAL/SLOT violation'));
				}

				public function lintPath($path) {
				$path = Filesystem::resolvePath($path, $this->getProjectRoot());
				$fileContent = Filesystem::readFile($path);

				$pattern = '/,\s*(SIGNAL\|SLOT)/';
				if(preg_match_all($pattern, $fileContent, $matches, PREG_OFFSET_CAPTURE)) {
				foreach($matches[1] as $match) {
				list($qt4syntax, $offset) = $match;
				$this->raiseLintAtOffset(
				$offset,
				self::QT4_CONNECT_SYNTAX_FOUND,
				pht('Qt connect style must match Qt5 connect style.'),
				$qt4syntax,
				null);
				}
				}
				}
				}