phorge-arcanist/src/lint/linter/ArcanistFilenameLinter.php

<?php

/**
 * Stifles creativity in choosing imaginative file names.
 */
final class ArcanistFilenameLinter extends ArcanistLinter {

  const LINT_BAD_FILENAME = 1;

  public function getInfoName() {
    return pht('Filename');
  }

  public function getInfoDescription() {
    return pht(
      'Stifles developer creativity by requiring files have uninspired names '.
      'containing only letters, numbers, period, hyphen and underscore.');
  }

  public function getLinterName() {
    return 'NAME';
  }

  public function getLinterConfigurationName() {
    return 'filename';
  }

  protected function shouldLintBinaryFiles() {
    return true;
  }

  public function getLintNameMap() {
    return array(
      self::LINT_BAD_FILENAME => pht('Bad Filename'),
    );
  }

  public function lintPath($path) {
    if (!preg_match('@^[a-z0-9./\\\\_-]+$@i', $path)) {
      $this->raiseLintAtPath(
        self::LINT_BAD_FILENAME,
        pht(
          'Name files using only letters, numbers, period, hyphen and '.
          'underscore.'));
    }
  }

  protected function shouldLintDirectories() {
    return true;
  }

  protected function shouldLintSymbolicLinks() {
    return true;
  }

}