/* 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 "nsISupports.idl"
#include "nsICommandLine.idl"

[ptr] native nsArgvArray(const char* const);

/**
 * Extension of nsICommandLine that allows for initialization of new command lines
 * and running the command line actions by processing the command line handlers.
 *
 * @status INTERNAL - This interface is not meant for use by embedders, and is
 *                    not intended to be frozen. If you are an embedder and need
 *                    functionality provided by this interface, talk to Benjamin
 *                    Smedberg <benjamin@smedbergs.us>.
 */

[uuid(c9f2996c-b25a-4d3d-821f-4cd0c4bc8afb)]
interface nsICommandLineRunner : nsICommandLine
{
  /**
   * This method assumes a native character set, and is meant to be called
   * with the argc/argv passed to main(). Talk to bsmedberg if you need to
   * create a command line using other data. argv will not be altered in any
   * way.
   *
   * On Windows, the "native" character set is UTF-8, not the native codepage.
   *
   * @param workingDir The working directory for resolving file and URI paths.
   *                   Can be null, in which case resolving files will not
   *                   work, and only absolute URIs will be resolvable.
   * @param state      The nsICommandLine.state flag.
   */
  void init(in long argc, in nsArgvArray argv,
            in nsIFile workingDir, in unsigned long state);

  /**
   * Process the command-line handlers in the proper order, calling "handle()" on
   * each.
   *
   * @throws NS_ERROR_ABORT if any handler throws NS_ERROR_ABORT. All other errors
   *         thrown by handlers will be silently ignored.
   */
  void run();

  /**
   * Process and combine the help text provided by each command-line handler.
   */
  readonly attribute AUTF8String helpText;
};