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Hexdump - C++ version of XXD style hexdump (based on this StackOverflow answer https://stackoverflow.com/a/7776146/801008)
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#include <iomanip> | |
#include <iostream> | |
#include <vector> | |
#include <termcolor.hpp> | |
void hexDump(const std::vector<uint8_t>& bytes, std::ostream& stream) | |
{ | |
char buff[17]; | |
size_t i = 0; | |
stream << std::hex; | |
for (i = 0; i < bytes.size(); i++) | |
{ | |
if ((i % 16) == 0) | |
{ | |
if (i != 0) | |
{ | |
stream << " " << buff << std::endl; | |
} | |
// Output the offset. | |
stream << termcolor::blue; | |
stream << " " << std::setw(4) << std::setfill('0') << static_cast<unsigned int>(i); | |
stream << termcolor::reset; | |
} | |
stream << termcolor::green; | |
stream << " " << std::setw(2) << std::setfill('0') << static_cast<unsigned int>(bytes[i]); | |
stream << termcolor::reset; | |
if ((bytes[i] < 0x20) || (bytes[i] > 0x7e)) | |
{ | |
buff[i % 16] = '.'; | |
} else { | |
buff[i % 16] = bytes[i]; | |
} | |
buff[(i % 16) + 1] = '\0'; | |
} | |
stream << std::dec; | |
while ((i++ % 16) != 0) | |
{ | |
stream << " "; | |
} | |
stream << " " << buff << std::endl; | |
} |
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