Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2013 the V8 project 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 | #include "src/icu_util.h" |
| 6 | |
| 7 | #if defined(_WIN32) |
| 8 | #include <windows.h> |
| 9 | #endif |
| 10 | |
| 11 | #if defined(V8_I18N_SUPPORT) |
| 12 | #include <stdio.h> |
| 13 | #include <stdlib.h> |
| 14 | |
| 15 | #include "unicode/putil.h" |
| 16 | #include "unicode/udata.h" |
| 17 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 18 | #include "src/base/file-utils.h" |
| 19 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 20 | #define ICU_UTIL_DATA_FILE 0 |
| 21 | #define ICU_UTIL_DATA_SHARED 1 |
| 22 | #define ICU_UTIL_DATA_STATIC 2 |
| 23 | |
| 24 | #define ICU_UTIL_DATA_SYMBOL "icudt" U_ICU_VERSION_SHORT "_dat" |
| 25 | #define ICU_UTIL_DATA_SHARED_MODULE_NAME "icudt.dll" |
| 26 | #endif |
| 27 | |
| 28 | namespace v8 { |
| 29 | |
| 30 | namespace internal { |
| 31 | |
| 32 | #if defined(V8_I18N_SUPPORT) && (ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE) |
| 33 | namespace { |
| 34 | char* g_icu_data_ptr = NULL; |
| 35 | |
| 36 | void free_icu_data_ptr() { |
| 37 | delete[] g_icu_data_ptr; |
| 38 | } |
| 39 | |
| 40 | } // namespace |
| 41 | #endif |
| 42 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 43 | bool InitializeICUDefaultLocation(const char* exec_path, |
| 44 | const char* icu_data_file) { |
| 45 | #if !defined(V8_I18N_SUPPORT) |
| 46 | return true; |
| 47 | #else |
| 48 | #if ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE |
| 49 | if (icu_data_file) { |
| 50 | return InitializeICU(icu_data_file); |
| 51 | } |
| 52 | char* icu_data_file_default; |
| 53 | RelativePath(&icu_data_file_default, exec_path, "icudtl.dat"); |
| 54 | bool result = InitializeICU(icu_data_file_default); |
| 55 | free(icu_data_file_default); |
| 56 | return result; |
| 57 | #else |
| 58 | return InitializeICU(NULL); |
| 59 | #endif |
| 60 | #endif |
| 61 | } |
| 62 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 63 | bool InitializeICU(const char* icu_data_file) { |
| 64 | #if !defined(V8_I18N_SUPPORT) |
| 65 | return true; |
| 66 | #else |
| 67 | #if ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_SHARED |
| 68 | // We expect to find the ICU data module alongside the current module. |
| 69 | HMODULE module = LoadLibraryA(ICU_UTIL_DATA_SHARED_MODULE_NAME); |
| 70 | if (!module) return false; |
| 71 | |
| 72 | FARPROC addr = GetProcAddress(module, ICU_UTIL_DATA_SYMBOL); |
| 73 | if (!addr) return false; |
| 74 | |
| 75 | UErrorCode err = U_ZERO_ERROR; |
| 76 | udata_setCommonData(reinterpret_cast<void*>(addr), &err); |
| 77 | return err == U_ZERO_ERROR; |
| 78 | #elif ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_STATIC |
| 79 | // Mac/Linux bundle the ICU data in. |
| 80 | return true; |
| 81 | #elif ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE |
| 82 | if (!icu_data_file) return false; |
| 83 | |
| 84 | if (g_icu_data_ptr) return true; |
| 85 | |
| 86 | FILE* inf = fopen(icu_data_file, "rb"); |
| 87 | if (!inf) return false; |
| 88 | |
| 89 | fseek(inf, 0, SEEK_END); |
| 90 | size_t size = ftell(inf); |
| 91 | rewind(inf); |
| 92 | |
| 93 | g_icu_data_ptr = new char[size]; |
| 94 | if (fread(g_icu_data_ptr, 1, size, inf) != size) { |
| 95 | delete[] g_icu_data_ptr; |
| 96 | g_icu_data_ptr = NULL; |
| 97 | fclose(inf); |
| 98 | return false; |
| 99 | } |
| 100 | fclose(inf); |
| 101 | |
| 102 | atexit(free_icu_data_ptr); |
| 103 | |
| 104 | UErrorCode err = U_ZERO_ERROR; |
| 105 | udata_setCommonData(reinterpret_cast<void*>(g_icu_data_ptr), &err); |
| 106 | return err == U_ZERO_ERROR; |
| 107 | #endif |
| 108 | #endif |
| 109 | } |
| 110 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 111 | } // namespace internal |
| 112 | } // namespace v8 |