blob: c229ca1c37815c6401abe599f46c5284c7276feb [file] [log] [blame]
// Copyright 2016 The Cobalt Authors. All Rights Reserved.
//
// 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 "starboard/client_porting/icu_init/icu_init.h"
#include <string>
#include <vector>
#include "starboard/common/log.h"
#include "starboard/configuration.h"
#include "starboard/configuration_constants.h"
#include "starboard/file.h"
#include "starboard/once.h"
#include "starboard/system.h"
#include "third_party/icu/source/common/unicode/putil.h"
#include "third_party/icu/source/common/unicode/udata.h"
namespace {
// Once control for initializing ICU.
SbOnceControl g_initialization_once = SB_ONCE_INITIALIZER;
// Initializes ICU and TimeZones so the rest of the functions will work. Should
// only be called once.
void Initialize() {
// Minimal Initialization of ICU.
std::vector<char> base_path(kSbFileMaxPath);
bool result = SbSystemGetPath(kSbSystemPathContentDirectory, base_path.data(),
base_path.size());
SB_DCHECK(result);
std::string data_path(base_path.data());
data_path += kSbFileSepString;
data_path += "icu";
#if SB_IS(EVERGREEN)
// If the icu tables are not under the content directory, use the
// storage directory. This minimizes Evergreen's storage usage
// on the device, as it can share the tables under
// storage between all the installations, but still has the option
// to use its own tables under content.
if (!SbFileExists(data_path.c_str())) {
bool result = SbSystemGetPath(kSbSystemPathStorageDirectory,
base_path.data(), base_path.size());
SB_DCHECK(result);
data_path = base_path.data();
data_path += kSbFileSepString;
data_path += "icu";
SbLogFormatF("Using icu tables from: %s\n", data_path.c_str());
}
#endif
// set this as the data directory.
u_setDataDirectory(data_path.c_str());
UErrorCode err = U_ZERO_ERROR;
udata_setFileAccess(UDATA_PACKAGES_FIRST, &err);
SB_DCHECK(err <= U_ZERO_ERROR);
}
} // namespace
void SbIcuInit() {
SbOnce(&g_initialization_once, &Initialize);
}