Revert "Switch to using .pak files for locale data on Windows." (r97941)

ui/base/resource/resource_bundle_posix.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/base/resource/resource_bundle.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/string16.h"
 #include "base/string_piece.h"
 #include "base/synchronization/lock.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/data_pack.h"
 #include "ui/base/ui_base_switches.h"
 #include "ui/gfx/font.h"
 
 namespace ui {
 
+namespace {
+
+DataPack* LoadResourcesDataPak(FilePath resources_pak_path) {
+  DataPack* resources_pak = new DataPack;
+  bool success = resources_pak->Load(resources_pak_path);
+  if (!success) {
+    delete resources_pak;
+    resources_pak = NULL;
+  }
+  return resources_pak;
+}
+
+}  // namespace
+
 ResourceBundle::~ResourceBundle() {
   FreeImages();
   UnloadLocaleResources();
   STLDeleteContainerPointers(data_packs_.begin(),
                              data_packs_.end());
   delete resources_data_;
   resources_data_ = NULL;
 }
 
+void ResourceBundle::UnloadLocaleResources() {
+  delete locale_resources_data_;
+  locale_resources_data_ = NULL;
+}
+
 // static
 RefCountedStaticMemory* ResourceBundle::LoadResourceBytes(
     DataHandle module, int resource_id) {
   DCHECK(module);
   return module->GetStaticMemory(resource_id);
 }
 
 base::StringPiece ResourceBundle::GetRawDataResource(int resource_id) const {
   DCHECK(resources_data_);
   base::StringPiece data;
   if (!resources_data_->GetStringPiece(resource_id, &data)) {
     if (!locale_resources_data_->GetStringPiece(resource_id, &data)) {
       for (size_t i = 0; i < data_packs_.size(); ++i) {
         if (data_packs_[i]->GetStringPiece(resource_id, &data))
           return data;
       }
 
       return base::StringPiece();
     }
   }
   return data;
 }
 
+string16 ResourceBundle::GetLocalizedString(int message_id) {
+  // If for some reason we were unable to load a resource pak, return an empty
+  // string (better than crashing).
+  if (!locale_resources_data_) {
+    LOG(WARNING) << "locale resources are not loaded";
+    return string16();
+  }
+
+  base::StringPiece data;
+  if (!locale_resources_data_->GetStringPiece(message_id, &data)) {
+    // Fall back on the main data pack (shouldn't be any strings here except in
+    // unittests).
+    data = GetRawDataResource(message_id);
+    if (data.empty()) {
+      NOTREACHED() << "unable to find resource: " << message_id;
+      return string16();
+    }
+  }
+
+  // Data pack encodes strings as UTF16.
+  DCHECK_EQ(data.length() % 2, 0U);
+  string16 msg(reinterpret_cast<const char16*>(data.data()),
+               data.length() / 2);
+  return msg;
+}
+
 void ResourceBundle::LoadCommonResources() {
   DCHECK(!resources_data_) << "chrome.pak already loaded";
   FilePath resources_file_path = GetResourcesFilePath();
   CHECK(!resources_file_path.empty()) << "chrome.pak not found";
   resources_data_ = LoadResourcesDataPak(resources_file_path);
   CHECK(resources_data_) << "failed to load chrome.pak";
 
   FilePath large_icon_resources_file_path = GetLargeIconResourcesFilePath();
   if (!large_icon_resources_file_path.empty()) {
     large_icon_resources_data_ =
         LoadResourcesDataPak(large_icon_resources_file_path);
     CHECK(large_icon_resources_data_) <<
         "failed to load theme_resources_large.pak";
   }
 }
 
+std::string ResourceBundle::LoadLocaleResources(
+    const std::string& pref_locale) {
+  DCHECK(!locale_resources_data_) << "locale.pak already loaded";
+  std::string app_locale = l10n_util::GetApplicationLocale(pref_locale);
+  FilePath locale_file_path;
+  CommandLine *command_line = CommandLine::ForCurrentProcess();
+  if (command_line->HasSwitch(switches::kLocalePak)) {
+    locale_file_path =
+      command_line->GetSwitchValuePath(switches::kLocalePak);
+  } else {
+    locale_file_path = GetLocaleFilePath(app_locale);
+  }
+  if (locale_file_path.empty()) {
+    // It's possible that there is no locale.pak.
+    NOTREACHED();
+    return std::string();
+  }
+  locale_resources_data_ = LoadResourcesDataPak(locale_file_path);
+  CHECK(locale_resources_data_) << "failed to load locale.pak";
+  return app_locale;
+}
+
 void ResourceBundle::LoadTestResources(const FilePath& path) {
   DCHECK(!resources_data_) << "resource already loaded";
 
   // Use the given resource pak for both common and localized resources.
   resources_data_ = LoadResourcesDataPak(path);
-  locale_resources_data_.reset(LoadResourcesDataPak(path));
+  locale_resources_data_ = LoadResourcesDataPak(path);
 }
 
 }  // namespace ui