| 93 | } |
| 94 | |
| 95 | uint64_t IdBlock::Write(std::streambuf& buffer) { |
| 96 | // Check if it has been written. Update is not supported in ID |
| 97 | if (FilePosition() == 0) { |
| 98 | return 64; |
| 99 | } |
| 100 | |
| 101 | // Do not call MdfBlock::Write(file) as the other block writes do |
| 102 | |
| 103 | SetFirstFilePosition(buffer); |
| 104 | file_position_ = GetFilePosition(buffer); |
| 105 | uint64_t bytes = WriteStr(buffer, file_identifier_, 8); |
| 106 | bytes += WriteStr(buffer, format_identifier_, 8); |
| 107 | bytes += WriteStr(buffer, program_identifier_, 8); |
| 108 | bytes += WriteNumber(buffer, byte_order_); |
| 109 | bytes += WriteNumber(buffer, floating_point_format_); |
| 110 | bytes += WriteNumber(buffer, version_); |
| 111 | bytes += WriteNumber(buffer, code_page_number_); |
| 112 | std::vector<uint8_t> reserved(28, 0); |
| 113 | bytes += WriteByte(buffer, reserved); |
| 114 | bytes += WriteNumber(buffer, standard_flags_); |
| 115 | bytes += WriteNumber(buffer, custom_flags_); |
| 116 | if (bytes != 64) { |
| 117 | throw std::runtime_error("ID block not 64 bytes"); |
| 118 | } |
| 119 | return bytes; |
| 120 | } |
| 121 | |
| 122 | std::string IdBlock::FileId() const { |
| 123 | std::string temp = file_identifier_; |