Nagram/TMessagesProj/jni/voip/webrtc/base/i18n/icu_util.h
2020-09-30 16:48:47 +03:00

67 lines
2.3 KiB
C++

// 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.
#ifndef BASE_I18N_ICU_UTIL_H_
#define BASE_I18N_ICU_UTIL_H_
#include <stdint.h>
#include "base/files/memory_mapped_file.h"
#include "base/i18n/base_i18n_export.h"
#include "build/build_config.h"
#define ICU_UTIL_DATA_FILE 0
#define ICU_UTIL_DATA_STATIC 1
namespace base {
namespace i18n {
#if !defined(OS_NACL)
// Call this function to load ICU's data tables for the current process. This
// function should be called before ICU is used.
BASE_I18N_EXPORT bool InitializeICU();
#if ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE
// Loads ICU's extra data tables from disk for the current process. If used must
// be called before InitializeICU().
BASE_I18N_EXPORT bool InitializeExtraICU();
// Returns the PlatformFile and Region that was initialized by InitializeICU()
// or InitializeExtraICU(). Use with InitializeICUWithFileDescriptor() or
// InitializeExtraICUWithFileDescriptor().
BASE_I18N_EXPORT PlatformFile GetIcuDataFileHandle(
MemoryMappedFile::Region* out_region);
BASE_I18N_EXPORT PlatformFile
GetIcuExtraDataFileHandle(MemoryMappedFile::Region* out_region);
// Loads ICU data file from file descriptor passed by browser process to
// initialize ICU in render processes.
BASE_I18N_EXPORT bool InitializeICUWithFileDescriptor(
PlatformFile data_fd,
const MemoryMappedFile::Region& data_region);
// Loads ICU extra data file from file descriptor passed by browser process to
// initialize ICU in render processes. If used must be called before
// InitializeICUWithFileDescriptor().
BASE_I18N_EXPORT bool InitializeExtraICUWithFileDescriptor(
PlatformFile data_fd,
const MemoryMappedFile::Region& data_region);
BASE_I18N_EXPORT void ResetGlobalsForTesting();
#if defined(OS_FUCHSIA)
// Overrides the directory used by ICU for external time zone data.
BASE_I18N_EXPORT void SetIcuTimeZoneDataDirForTesting(const char* dir);
#endif // defined(OS_FUCHSIA)
#endif // ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE
// In a test binary, initialize functions might be called twice.
BASE_I18N_EXPORT void AllowMultipleInitializeCallsForTesting();
#endif // !defined(OS_NACL)
} // namespace i18n
} // namespace base
#endif // BASE_I18N_ICU_UTIL_H_