Function UTF8ToUTF16

native/cocos/base/UTF8.cpp:221–245

}

bool UTF8ToUTF16(const ccstd::string &utf8, std::u16string &outUtf16) { //NOLINT
#if CC_USE_SIMD_UTF
    bool validutf8 = simdutf::validate_utf8(utf8.c_str(), utf8.length());
    if (!validutf8) {
        outUtf16.clear();
        return false;
    }

    // We need a buffer of size where to write the UTF-16LE words.
    size_t expectedUtf16words = simdutf::utf16_length_from_utf8(utf8.c_str(), utf8.length());
    outUtf16.resize(expectedUtf16words);

    // convert to UTF-16LE
    size_t utf16words = simdutf::convert_utf8_to_utf16le(utf8.c_str(), utf8.length(), outUtf16.data());
    bool validutf16 = simdutf::validate_utf16le(outUtf16.c_str(), utf16words);
    if (!validutf16) {
        outUtf16.clear();
        return false;
    }

    return true;
#else
    return utfConvert(utf8, outUtf16, ConvertUTF8toUTF16);
#endif
}

bool UTF8ToUTF32(const ccstd::string &utf8, std::u32string &outUtf32) { //NOLINT
    return utfConvert(utf8, outUtf32, ConvertUTF8toUTF32);