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Cyberconverter. Обновление программы под 32бита

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This commit is contained in:
Andrei Solodovnikov
2023-09-19 15:41:07 +03:00
committed by GitHub
parent 3cf8ec2c9b
commit b1924b5559
1 changed files with 12 additions and 17 deletions
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19
Labs/04. Primitive programmable device/Индивидуальное задание/cyberconverter.cpp
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@@ -12,7 +12,7 @@ void print_help(const std::string program_name)
cout << "CYBERcobra program file may contain only comments (starting with \"//\"),\n"; cout << "CYBERcobra program file may contain only comments (starting with \"//\"),\n";
cout << "whitespaces and binary digits '0' or '1'.\n"; cout << "whitespaces and binary digits '0' or '1'.\n";
cout << "This program will erase this parts from every line and then convert\n"; cout << "This program will erase this parts from every line and then convert\n";
cout << "32-bits binary strings into 4 little endian 8-bit strings in hex-format.\n\n"; cout << "in hex-format.\n\n";
cout << "If output file omitted, the <input_file_base>_converted.<input_file_ext>\n"; cout << "If output file omitted, the <input_file_base>_converted.<input_file_ext>\n";
cout << "will be produced.\n\n"; cout << "will be produced.\n\n";
cout << "If input file omitted, program.txt will be used.\n\n"; cout << "If input file omitted, program.txt will be used.\n\n";
@@ -109,24 +109,19 @@ int main(int argc, char ** argv)
cerr << "line " << line_counter << " length is not equal 32 after trimming comments and whitespaces" << endl; cerr << "line " << line_counter << " length is not equal 32 after trimming comments and whitespaces" << endl;
return -2; return -2;
} }
// split 32-bits binary line into 4 little-endian hex lines and write them into file // Convert into hex lines and write them into file
for (size_t i = 0; i < 4; i++)
{
// For every 8-bit part of 32-bit line get int representation.
// If illegal character found, throw error.
size_t valid_char_num; size_t valid_char_num;
string byte_substr = str.substr(8*(3-i), 8); int cur_word = std::stoi(str, &valid_char_num, 2);
int cur_byte = std::stoi(byte_substr, &valid_char_num, 2); if(valid_char_num != 32)
if(valid_char_num != 8)
{ {
cerr << "Illegal character '" << byte_substr.at(valid_char_num) << cerr << "Illegal character '" << str.at(valid_char_num) <<
"' found in line " << line_counter << ": \"" << str << "\"\n"; "' found in line " << line_counter << ": \"" << str << "\"\n";
cerr << "Should be only '0' or '1'." << endl; cerr << "Should be only '0' or '1'." << endl;
return -3; return -3;
} }
char hex_byte_str[3]; char hex_byte_str[9];
// convert int representation into hex string // convert int representation into hex string
snprintf(hex_byte_str, 3, "%02x", cur_byte); snprintf(hex_byte_str, 9, "%08x", cur_word);
ofs << hex_byte_str << "\n"; ofs << hex_byte_str << "\n";
} }
} }