<?php

/*
 * Copyright 2012 Facebook, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

final class PhabricatorSymbolNameLinter extends ArcanistXHPASTLintNamingHook {

  public function lintSymbolName($type, $name, $default) {
    $matches = null;
    if ($type == 'class' &&
        preg_match('/^ConduitAPI_(.*)_Method$/', $name, $matches)) {
      if (preg_match('/^[a-z]+(_[a-z]+)?$/', $matches[1])) {
        // These are permitted since Conduit does reflectioney stuff to figure
        // out the method name from the class name.
        return null;
      } else {
        return 'Conduit method implementations should contain lowercase '.
               'letters only, with an underscore separating group and method '.
               'names for implementations, e.g. '.
               '"ConduitAPI_thing_info_Method".';
      }
    }

    return $default;
  }
}
