Exemplos de FXSYS_HexCharToInt em C++ (Cpp)

Exemplo n.º 1

ByteString CPDF_StreamParser::ReadHexString() {
  if (!PositionIsInBounds())
    return ByteString();

  std::ostringstream buf;
  bool bFirst = true;
  int code = 0;
  while (PositionIsInBounds()) {
    int ch = m_pBuf[m_Pos++];

    if (ch == '>')
      break;

    if (!std::isxdigit(ch))
      continue;

    int val = FXSYS_HexCharToInt(ch);
    if (bFirst) {
      code = val * 16;
    } else {
      code += val;
      buf << static_cast<uint8_t>(code);
    }
    bFirst = !bFirst;
  }
  if (!bFirst)
    buf << static_cast<char>(code);

  if (buf.tellp() <= 0)
    return ByteString();

  return ByteString(
      buf.str().c_str(),
      std::min(static_cast<size_t>(buf.tellp()), kMaxStringLength));
}

Exemplo n.º 2

TEST(fxcrt, FXSYS_HexCharToInt) {
  EXPECT_EQ(10, FXSYS_HexCharToInt('a'));
  EXPECT_EQ(10, FXSYS_HexCharToInt('A'));
  EXPECT_EQ(7, FXSYS_HexCharToInt('7'));
  EXPECT_EQ(0, FXSYS_HexCharToInt('i'));
}