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* Uses "CSS Lint" to detect checkstyle errors in css code.
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final class ArcanistCSSLintLinter extends ArcanistExternalLinter {
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public function getInfoName() {
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public function getInfoURI() {
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return 'http://csslint.net';
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public function getInfoDescription() {
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return pht('Use `csslint` to detect issues with CSS source files.');
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public function getLinterName() {
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public function getLinterConfigurationName() {
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public function getMandatoryFlags() {
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public function getDefaultFlags() {
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return $this->getDeprecatedConfiguration('lint.csslint.options', array());
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public function getDefaultBinary() {
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return $this->getDeprecatedConfiguration('lint.csslint.bin', 'csslint');
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public function getVersion() {
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list($stdout) = execx('%C --version', $this->getExecutableCommand());
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if (preg_match('/^v(?P<version>\d+\.\d+\.\d+)$/', $stdout, $matches)) {
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return $matches['version'];
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public function getInstallInstructions() {
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return pht('Install CSSLint using `npm install -g csslint`.');
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public function shouldExpectCommandErrors() {
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protected function parseLinterOutput($path, $err, $stdout, $stderr) {
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$report_dom = new DOMDocument();
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$ok = @$report_dom->loadXML($stdout);
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$files = $report_dom->getElementsByTagName('file');
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foreach ($files as $file) {
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foreach ($file->childNodes as $child) {
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if (!($child instanceof DOMElement)) {
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$data = $this->getData($path);
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$lines = explode("\n", $data);
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$name = $child->getAttribute('reason');
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$severity = ($child->getAttribute('severity') == 'warning')
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? ArcanistLintSeverity::SEVERITY_WARNING
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: ArcanistLintSeverity::SEVERITY_ERROR;
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$message = new ArcanistLintMessage();
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$message->setPath($path);
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$message->setLine($child->getAttribute('line'));
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$message->setChar($child->getAttribute('char'));
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$message->setCode('CSSLint');
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$message->setDescription($child->getAttribute('reason'));
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$message->setSeverity($severity);
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if ($child->hasAttribute('line') && $child->getAttribute('line') > 0) {
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$line = $lines[$child->getAttribute('line') - 1];
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$text = substr($line, $child->getAttribute('char') - 1);
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$message->setOriginalText($text);
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$messages[] = $message;
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protected function getLintCodeFromLinterConfigurationKey($code) {
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// NOTE: We can't figure out which rule generated each message, so we
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// can not customize severities. I opened a pull request to add this
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// https://github.com/stubbornella/csslint/pull/409
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"CSSLint does not currently support custom severity levels, because ".
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"rules can't be identified from messages in output. ".
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"See Pull Request #409."));