56a486c322
- this avoids using relative include paths which are forbidden by the style guide - makes the code more readable since it's clear which header is meant - allows for starting to use checkdeps BUG=none R=jkummerow@chromium.org, danno@chromium.org LOG=n Review URL: https://codereview.chromium.org/304153016 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21625 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
90 lines
2.1 KiB
C++
90 lines
2.1 KiB
C++
// Copyright 2013 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/icu_util.h"
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#if defined(_WIN32)
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#include <windows.h>
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#endif
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#if defined(V8_I18N_SUPPORT)
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#include <stdio.h>
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#include <stdlib.h>
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#include "unicode/putil.h"
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#include "unicode/udata.h"
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#define ICU_UTIL_DATA_FILE 0
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#define ICU_UTIL_DATA_SHARED 1
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#define ICU_UTIL_DATA_STATIC 2
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#define ICU_UTIL_DATA_SYMBOL "icudt" U_ICU_VERSION_SHORT "_dat"
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#define ICU_UTIL_DATA_SHARED_MODULE_NAME "icudt.dll"
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#endif
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namespace v8 {
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namespace internal {
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#if defined(V8_I18N_SUPPORT) && (ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE)
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namespace {
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char* g_icu_data_ptr = NULL;
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void free_icu_data_ptr() {
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delete[] g_icu_data_ptr;
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}
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} // namespace
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#endif
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bool InitializeICU(const char* icu_data_file) {
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#if !defined(V8_I18N_SUPPORT)
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return true;
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#else
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#if ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_SHARED
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// We expect to find the ICU data module alongside the current module.
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HMODULE module = LoadLibraryA(ICU_UTIL_DATA_SHARED_MODULE_NAME);
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if (!module) return false;
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FARPROC addr = GetProcAddress(module, ICU_UTIL_DATA_SYMBOL);
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if (!addr) return false;
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UErrorCode err = U_ZERO_ERROR;
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udata_setCommonData(reinterpret_cast<void*>(addr), &err);
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return err == U_ZERO_ERROR;
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#elif ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_STATIC
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// Mac/Linux bundle the ICU data in.
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return true;
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#elif ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE
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if (!icu_data_file) return false;
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if (g_icu_data_ptr) return true;
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FILE* inf = fopen(icu_data_file, "rb");
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if (!inf) return false;
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fseek(inf, 0, SEEK_END);
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size_t size = ftell(inf);
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rewind(inf);
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g_icu_data_ptr = new char[size];
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if (fread(g_icu_data_ptr, 1, size, inf) != size) {
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delete[] g_icu_data_ptr;
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g_icu_data_ptr = NULL;
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fclose(inf);
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return false;
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}
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fclose(inf);
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atexit(free_icu_data_ptr);
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UErrorCode err = U_ZERO_ERROR;
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udata_setCommonData(reinterpret_cast<void*>(g_icu_data_ptr), &err);
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return err == U_ZERO_ERROR;
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#endif
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#endif
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}
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} } // namespace v8::internal
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