WideString CFX_BreakPiece::GetString() const {
WideString ret;
ret.Reserve(m_iChars);
for (int32_t i = m_iStartChar; i < m_iStartChar + m_iChars; i++)
ret += static_cast<wchar_t>((*m_pChars)[i].char_code());
return ret;
}
TEST(fxstring, FX_UTF8EncodeDecodeConsistency) {
WideString wstr;
wstr.Reserve(0x10000);
for (int w = 0; w < 0x10000; ++w)
wstr += static_cast<wchar_t>(w);
ByteString bstr = FX_UTF8Encode(wstr.AsStringView());
WideString wstr2 = FX_UTF8Decode(bstr.AsStringView());
EXPECT_EQ(0x10000u, wstr2.GetLength());
EXPECT_EQ(wstr, wstr2);
}
CBC_EncoderContext::CBC_EncoderContext(const WideString& msg) {
ByteString dststr = msg.ToUTF8();
size_t c = dststr.GetLength();
WideString sb;
sb.Reserve(c);
for (size_t i = 0; i < c; i++) {
wchar_t ch = static_cast<wchar_t>(dststr[i] & 0xff);
if (ch == '?' && dststr[i] != '?') {
m_bHasCharactersOutsideISO88591Encoding = true;
}
sb += ch;
}
m_msg = std::move(sb);
m_codewords.Reserve(m_msg.GetLength());
}
WideString CBC_OnedCode128Writer::FilterContents(WideStringView contents) {
const wchar_t limit = m_codeFormat == BC_CODE128_B ? 126 : 106;
WideString filtered;
filtered.Reserve(contents.GetLength());
for (size_t i = 0; i < contents.GetLength(); i++) {
wchar_t ch = contents[i];
if (ch > 175) {
i++;
continue;
}
if (ch >= 32 && ch <= limit)
filtered += ch;
}
return filtered;
}
