text: // Copyright 2010-2021, Google Inc.
  // All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are
  // met:
  //
  //     * Redistributions of source code must retain the above copyright
  // notice, this list of conditions and the following disclaimer.
  //     * Redistributions in binary form must reproduce the above
  // copyright notice, this list of conditions and the following disclaimer
  // in the documentation and/or other materials provided with the
  // distribution.
  //     * Neither the name of Google Inc. nor the names of its
  // contributors may be used to endorse or promote products derived from
  // this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  #include <windows.h>
  
  #include "win32/base/imm_registrar.h"
  #include "win32/base/uninstall_helper.h"
  
  namespace mozc {
  namespace win32 {
  namespace {
  
  constexpr int kErrorLevelSuccess = 0;
  constexpr int kErrorLevelGeneralError = 1;
  
  }  // namespace
  
  int RunRegisterIME(int argc, char *argv[]) {
    const std::wstring ime_path = ImmRegistrar::GetFullPathForIME();
    if (ime_path.empty()) {
      return kErrorLevelGeneralError;
    }
    const std::wstring ime_filename = ImmRegistrar::GetFileNameForIME();
  
    const std::wstring layout_name = ImmRegistrar::GetLayoutName();
    if (layout_name.empty()) {
      return kErrorLevelGeneralError;
    }
  
    // Install IME and obtain the corresponding HKL value.
    HKL hkl = nullptr;
    HRESULT result = mozc::win32::ImmRegistrar::Register(
        ime_filename, layout_name, ime_path,
        ImmRegistrar::GetLayoutDisplayNameResourceId(), &hkl);
    if (result != S_OK) {
      return kErrorLevelGeneralError;
    }
  
    return kErrorLevelSuccess;
  }
  
  int RunUnregisterIME(int argc, char *argv[]) {
    UninstallHelper::RestoreUserIMEEnvironmentMain();
  
    const std::wstring ime_filename = ImmRegistrar::GetFileNameForIME();
    if (ime_filename.empty()) {
      return kErrorLevelGeneralError;
    }
    ImmRegistrar::Unregister(ime_filename);
  
    return kErrorLevelSuccess;
  }
  }  // namespace win32
  }  // namespace mozc
  