/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "NSPRLogModulesParser.h"

#include "mozilla/Tokenizer.h"

const char kDelimiters[] = ", ";

const char kAdditionalWordChars[] = "_-";

namespace mozilla {

void

NSPRLogModulesParser(const char* aLogModules,

                     const std::function<void(const char*, LogLevel, int32_t)>& aCallback)

{

  if (!aLogModules) {

    return;

  }

  Tokenizer parser(aLogModules, kDelimiters, kAdditionalWordChars);

  nsAutoCString moduleName;

  // Format: LOG_MODULES="Foo:2,Bar, Baz:5"

  while (parser.ReadWord(moduleName)) {

    // Next should be :<level>, default to Error if not provided.

    LogLevel logLevel = LogLevel::Error;

    int32_t levelValue = 0;

    if (parser.CheckChar(':')) {

      // NB: If a level isn't provided after the ':' we assume the default

      //     Error level is desired. This differs from NSPR which will stop

      //     processing the log module string in this case.

      if (parser.ReadSignedInteger(&levelValue)) {

        logLevel = ToLogLevel(levelValue);

      }

    }

    aCallback(moduleName.get(), logLevel, levelValue);

    // Skip ahead to the next token.

    parser.SkipWhites();

  }

}

} // namespace mozilla