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ArcanistJSONLintLinter.php
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ArcanistJSONLintLinter.php
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<?php
/**
* A linter for JSON files.
*/
final class ArcanistJSONLintLinter extends ArcanistExternalLinter {
public function getInfoName() {
return pht('JSON Lint');
}
public function getInfoURI() {
return 'https://github.com/zaach/jsonlint';
}
public function getInfoDescription() {
return pht('Use `%s` to detect syntax errors in JSON files.', 'jsonlint');
}
public function getLinterName() {
return 'JSON';
}
public function getLinterConfigurationName() {
return 'jsonlint';
}
public function getDefaultBinary() {
return 'jsonlint';
}
public function getVersion() {
// NOTE: `jsonlint --version` returns a non-zero exit status.
list($err, $stdout) = exec_manual(
'%C --version',
$this->getExecutableCommand());
$matches = array();
if (preg_match('/^(?P<version>\d+\.\d+\.\d+)$/', $stdout, $matches)) {
return $matches['version'];
} else {
return false;
}
}
public function getInstallInstructions() {
return pht('Install jsonlint using `%s`.', 'npm install -g jsonlint');
}
protected function getMandatoryFlags() {
return array(
'--compact',
);
}
protected function parseLinterOutput($path, $err, $stdout, $stderr) {
$lines = phutil_split_lines($stderr, false);
$messages = array();
foreach ($lines as $line) {
$matches = null;
$match = preg_match(
'/^(?:(?<path>.+): )?'.
'line (?<line>\d+), col (?<column>\d+), '.
'(?<description>.*)$/',
$line,
$matches);
if ($match) {
$message = new ArcanistLintMessage();
$message->setPath($path);
$message->setLine($matches['line']);
$message->setChar($matches['column']);
$message->setCode($this->getLinterName());
$message->setName($this->getLinterName());
$message->setDescription(ucfirst($matches['description']));
$message->setSeverity(ArcanistLintSeverity::SEVERITY_ERROR);
$messages[] = $message;
}
}
return $messages;
}
}

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