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bees/include/crucible/hexdump.h
Zygo Blaxell d1015b683f bytevector: add ostream output with hexdump
There is a hexdump template in fs.  Move hexdump to its own header,
then ByteVector can use it too.

Signed-off-by: Zygo Blaxell <bees@furryterror.org>
2022-12-20 20:50:58 -05:00

37 lines
727 B
C++

#ifndef CRUCIBLE_HEXDUMP_H
#define CRUCIBLE_HEXDUMP_H
#include "crucible/string.h"
#include <ostream>
namespace crucible {
using namespace std;
template <class V>
ostream &
hexdump(ostream &os, const V &v)
{
os << "V { size = " << v.size() << ", data:\n";
for (size_t i = 0; i < v.size(); i += 8) {
string hex, ascii;
for (size_t j = i; j < i + 8; ++j) {
if (j < v.size()) {
uint8_t c = v[j];
char buf[8];
sprintf(buf, "%02x ", c);
hex += buf;
ascii += (c < 32 || c > 126) ? '.' : c;
} else {
hex += " ";
ascii += ' ';
}
}
os << astringprintf("\t%08x %s %s\n", i, hex.c_str(), ascii.c_str());
}
return os << "}";
}
};
#endif // CRUCIBLE_HEXDUMP_H