v8/src/icu_util.cc
Miran.Karic 9a1832a829 Set correct default icu data file for big endian
Default icu data file for all architectures was set to icudtl.dat, for
big endian this should be icudtb.dat. This will fix intl tests for big
endian once v8 rolls to a newer version of icu that supports big endian.

BUG=
TEST=intl/*

Review-Url: https://codereview.chromium.org/2182043002
Cr-Commit-Position: refs/heads/master@{#38102}
2016-07-27 14:38:54 +00:00

120 lines
2.9 KiB
C++

// Copyright 2013 the V8 project 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 "src/icu_util.h"
#if defined(_WIN32)
#include <windows.h>
#endif
#if defined(V8_I18N_SUPPORT)
#include <stdio.h>
#include <stdlib.h>
#include "unicode/putil.h"
#include "unicode/udata.h"
#include "src/base/build_config.h"
#include "src/base/file-utils.h"
#define ICU_UTIL_DATA_FILE 0
#define ICU_UTIL_DATA_SHARED 1
#define ICU_UTIL_DATA_STATIC 2
#define ICU_UTIL_DATA_SYMBOL "icudt" U_ICU_VERSION_SHORT "_dat"
#define ICU_UTIL_DATA_SHARED_MODULE_NAME "icudt.dll"
#endif
namespace v8 {
namespace internal {
#if defined(V8_I18N_SUPPORT) && (ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE)
namespace {
char* g_icu_data_ptr = NULL;
void free_icu_data_ptr() {
delete[] g_icu_data_ptr;
}
} // namespace
#endif
bool InitializeICUDefaultLocation(const char* exec_path,
const char* icu_data_file) {
#if !defined(V8_I18N_SUPPORT)
return true;
#else
#if ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE
if (icu_data_file) {
return InitializeICU(icu_data_file);
}
char* icu_data_file_default;
#if defined(V8_TARGET_LITTLE_ENDIAN)
RelativePath(&icu_data_file_default, exec_path, "icudtl.dat");
#elif defined(V8_TARGET_BIG_ENDIAN)
RelativePath(&icu_data_file_default, exec_path, "icudtb.dat");
#else
#error Unknown byte ordering
#endif
bool result = InitializeICU(icu_data_file_default);
free(icu_data_file_default);
return result;
#else
return InitializeICU(NULL);
#endif
#endif
}
bool InitializeICU(const char* icu_data_file) {
#if !defined(V8_I18N_SUPPORT)
return true;
#else
#if ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_SHARED
// We expect to find the ICU data module alongside the current module.
HMODULE module = LoadLibraryA(ICU_UTIL_DATA_SHARED_MODULE_NAME);
if (!module) return false;
FARPROC addr = GetProcAddress(module, ICU_UTIL_DATA_SYMBOL);
if (!addr) return false;
UErrorCode err = U_ZERO_ERROR;
udata_setCommonData(reinterpret_cast<void*>(addr), &err);
return err == U_ZERO_ERROR;
#elif ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_STATIC
// Mac/Linux bundle the ICU data in.
return true;
#elif ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE
if (!icu_data_file) return false;
if (g_icu_data_ptr) return true;
FILE* inf = fopen(icu_data_file, "rb");
if (!inf) return false;
fseek(inf, 0, SEEK_END);
size_t size = ftell(inf);
rewind(inf);
g_icu_data_ptr = new char[size];
if (fread(g_icu_data_ptr, 1, size, inf) != size) {
delete[] g_icu_data_ptr;
g_icu_data_ptr = NULL;
fclose(inf);
return false;
}
fclose(inf);
atexit(free_icu_data_ptr);
UErrorCode err = U_ZERO_ERROR;
udata_setCommonData(reinterpret_cast<void*>(g_icu_data_ptr), &err);
return err == U_ZERO_ERROR;
#endif
#endif
}
} // namespace internal
} // namespace v8