base/i18n/icu_util.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef BASE_I18N_ICU_UTIL_H_
   6 #define BASE_I18N_ICU_UTIL_H_
   7
   8 #include "base/files/memory_mapped_file.h"
   9 #include "base/i18n/base_i18n_export.h"
  10 #include "build/build_config.h"
  11
  12 namespace base {
  13 namespace i18n {
  14
  15 #if !defined(OS_NACL)
  16 // Call this function to load ICU's data tables for the current process.  This
  17 // function should be called before ICU is used.
  18 BASE_I18N_EXPORT bool InitializeICU();
  19
  20 #if ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE
  21 // Returns the PlatformFile and Region that was initialized by InitializeICU().
  22 // Use with InitializeICUWithFileDescriptor().
  23 BASE_I18N_EXPORT PlatformFile GetIcuDataFileHandle(
  24     MemoryMappedFile::Region* out_region);
  25
  26 // Android and html_viewer use a file descriptor passed by browser process to
  27 // initialize ICU in render processes.
  28 BASE_I18N_EXPORT bool InitializeICUWithFileDescriptor(
  29     PlatformFile data_fd,
  30     const MemoryMappedFile::Region& data_region);
  31 #endif  // ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE
  32 #endif  // !defined(OS_NACL)
  33
  34 // In a test binary, the call above might occur twice.
  35 BASE_I18N_EXPORT void AllowMultipleInitializeCallsForTesting();
  36
  37 }  // namespace i18n
  38 }  // namespace base
  39
  40 #endif  // BASE_I18N_ICU_UTIL_H_