Keep only base/extractor.[cc|h].

goopdate/resource_manager.cc

-// Copyright 2007-2010 Google 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.
-// ========================================================================
-
-#include "omaha/goopdate/resource_manager.h"
-#include <windows.h>
-#include <map>
-#include <vector>
-#include "omaha/base/constants.h"
-#include "omaha/base/commontypes.h"
-#include "omaha/base/debug.h"
-#include "omaha/base/error.h"
-#include "omaha/base/file.h"
-#include "omaha/base/file_ver.h"
-#include "omaha/base/logging.h"
-#include "omaha/base/path.h"
-#include "omaha/base/utils.h"
-#include "omaha/common/goopdate_utils.h"
-#include "omaha/common/lang.h"
-
-namespace omaha {
-
-ResourceManager* ResourceManager::instance_ = NULL;
-
-HRESULT ResourceManager::CreateForDefaultLanguage(bool is_machine,
-                                                  const CString& resource_dir) {
-  return Create(is_machine,
-                resource_dir,
-                lang::GetDefaultLanguage(is_machine));
-}
-
-HRESULT ResourceManager::Create(
-    bool is_machine, const CString& resource_dir, const CString& lang) {
-  CString language = lang;
-  if (language.IsEmpty() || !lang::IsLanguageSupported(language)) {
-    language = lang::GetDefaultLanguage(is_machine);
-  }
-
-  if (!instance_) {
-    instance_ = new ResourceManager(is_machine, resource_dir);
-    return instance_->SetDefaultResourceByLanguage(language);
-  }
-  return S_OK;
-}
-
-void ResourceManager::Delete() {
-  ResourceManager* instance = NULL;
-  instance = omaha::interlocked_exchange_pointer(&instance_, instance);
-
-  delete instance;
-}
-
-ResourceManager& ResourceManager::Instance() {
-  ASSERT1(instance_);
-  return *instance_;
-}
-
-ResourceManager::ResourceManager(bool is_machine, const CString& resource_dir)
-    : is_machine_(is_machine),
-      resource_dir_(resource_dir),
-      saved_atl_resource_(NULL) {
-}
-
-ResourceManager::~ResourceManager() {
-  if (saved_atl_resource_) {
-    _AtlBaseModule.SetResourceInstance(saved_atl_resource_);
-  }
-}
-
-HRESULT ResourceManager::SetDefaultResourceByLanguage(const CString& language) {
-  ResourceDllInfo dll_info;
-  HRESULT hr = GetResourceDllInfo(language, &dll_info);
-  if (FAILED(hr)) {
-    return hr;
-  }
-
-  // All CString.LoadString and CreateDialog calls should use the resource of
-  // the default language.
-  saved_atl_resource_ = _AtlBaseModule.SetResourceInstance(dll_info.dll_handle);
-
-  return hr;
-}
-
-HRESULT ResourceManager::GetResourceDll(const CString& language,
-                                        HINSTANCE* dll_handle) {
-  ASSERT1(dll_handle);
-
-  ResourceDllInfo dll_info;
-  HRESULT hr = GetResourceDllInfo(language, &dll_info);
-  if (FAILED(hr)) {
-    return  hr;
-  }
-  *dll_handle = dll_info.dll_handle;
-  return S_OK;
-}
-
-HRESULT ResourceManager::GetResourceDllInfo(const CString& language,
-                                            ResourceDllInfo* dll_info) {
-  ASSERT1(dll_info);
-  __mutexScope(lock_);
-
-  ASSERT1(lang::IsLanguageSupported(language));
-
-  LanguageToResourceMap::const_iterator it = resource_map_.find(language);
-  if (it != resource_map_.end()) {
-    *dll_info = it->second;
-    return S_OK;
-  }
-  return LoadResourceDll(language, dll_info);
-}
-
-// Assumes that the language has not been loaded previously.
-HRESULT ResourceManager::LoadResourceDll(const CString& language,
-                                         ResourceDllInfo* dll_info) {
-  ASSERT1(dll_info);
-  ASSERT1(lang::IsLanguageSupported(language));
-  dll_info->dll_handle = NULL;
-
-  __mutexScope(lock_);
-
-  ASSERT1(resource_map_.find(language) == resource_map_.end());
-
-  // First try to load the resource dll for the language parameter.
-  HRESULT hr = LoadLibraryAsDataFile(GetResourceDllName(language), dll_info);
-  if (FAILED(hr)) {
-    CORE_LOG(LE, (_T("[Resource dll load failed.][0x%08x]"), hr));
-    return hr;
-  }
-
-  FileVer file_ver;
-  VERIFY1(file_ver.Open(dll_info->file_path));
-  dll_info->language = file_ver.QueryValue(kLanguageVersionName);
-  CORE_LOG(L1, (_T("[Loaded resource dll %s]"), dll_info->file_path));
-
-  resource_map_.insert(std::make_pair(language, *dll_info));
-  return S_OK;
-}
-
-HRESULT ResourceManager::LoadLibraryAsDataFile(
-    const CString& filename,
-    ResourceDllInfo* dll_info) const {
-  ASSERT1(!filename.IsEmpty());
-  ASSERT1(dll_info);
-  ASSERT1(!resource_dir_.IsEmpty());
-
-  dll_info->file_path = ConcatenatePath(resource_dir_, filename);
-  if (dll_info->file_path.IsEmpty()) {
-    ASSERT1(false);
-    return GOOPDATE_E_RESOURCE_DLL_PATH_EMPTY;
-  }
-  dll_info->dll_handle = ::LoadLibraryEx(dll_info->file_path,
-                                         NULL,
-                                         LOAD_LIBRARY_AS_DATAFILE);
-  if (!dll_info->dll_handle) {
-    HRESULT hr = HRESULTFromLastError();
-    CORE_LOG(L2, (_T("[Could not load resource dll %s.]"),
-                 dll_info->file_path));
-    return hr;
-  }
-
-  return S_OK;
-}
-
-CString ResourceManager::GetResourceDllName(const CString& language) {
-  ASSERT1(!language.IsEmpty());
-
-  CString filename;
-  filename.Format(kOmahaResourceDllNameFormat,
-                  lang::GetWrittenLanguage(language));
-  return filename;
-}
-
-void ResourceManager::GetSupportedLanguageDllNames(
-    std::vector<CString>* filenames) {
-  std::vector<CString> codes;
-  lang::GetSupportedLanguages(&codes);
-
-  for (size_t i = 0; i < codes.size(); ++i) {
-    if (lang::DoesSupportedLanguageUseDifferentId(codes[i])) {
-      // There is not a separate DLL for this language.
-      continue;
-    }
-    filenames->push_back(GetResourceDllName(codes[i]));
-  }
-}
-
-}  // namespace omaha