| // Copyright 2016 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. |
| |
| #include "base/i18n/character_encoding.h" |
| |
| #include "base/macros.h" |
| #include "third_party/icu/source/common/unicode/ucnv.h" |
| |
| namespace base { |
| namespace { |
| |
| // An array of all supported canonical encoding names. |
| const char* const kCanonicalEncodingNames[] = { |
| "Big5", "EUC-JP", "EUC-KR", "gb18030", |
| "GBK", "IBM866", "ISO-2022-JP", "ISO-8859-10", |
| "ISO-8859-13", "ISO-8859-14", "ISO-8859-15", "ISO-8859-16", |
| "ISO-8859-2", "ISO-8859-3", "ISO-8859-4", "ISO-8859-5", |
| "ISO-8859-6", "ISO-8859-7", "ISO-8859-8", "ISO-8859-8-I", |
| "KOI8-R", "KOI8-U", "macintosh", "Shift_JIS", |
| "UTF-16LE", "UTF-8", "windows-1250", "windows-1251", |
| "windows-1252", "windows-1253", "windows-1254", "windows-1255", |
| "windows-1256", "windows-1257", "windows-1258", "windows-874"}; |
| |
| } // namespace |
| |
| std::string GetCanonicalEncodingNameByAliasName(const std::string& alias_name) { |
| for (auto* encoding_name : kCanonicalEncodingNames) { |
| if (alias_name == encoding_name) |
| return alias_name; |
| } |
| static const char* kStandards[3] = {"HTML", "MIME", "IANA"}; |
| for (auto* standard : kStandards) { |
| UErrorCode error_code = U_ZERO_ERROR; |
| const char* canonical_name = |
| ucnv_getStandardName(alias_name.c_str(), standard, &error_code); |
| if (U_SUCCESS(error_code) && canonical_name) |
| return canonical_name; |
| } |
| return std::string(); |
| } |
| } // namespace base |
