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/*******************************************************************************
* librepfunc - a collection of common functions, classes and tools.
* See the README file for copyright information and how to reach the author.
******************************************************************************/
#include <repfunc.h>
#include <iostream> // std::cout, std::cerr
#include <sstream> // std::stringstream
#include <iomanip> // std::uppercase, std::setfill, std::setw, std::hex
#include <cctype> // std::isprint
std::string hex(std::intmax_t n, size_t width) {
std::stringstream ss;
ss << std::uppercase
<< std::setfill('0')
<< std::setw(width)
<< std::hex
<< n;
return ss.str();
}
void HexDump(std::string intro, const unsigned char* buf, size_t len, bool to_stderr) {
constexpr size_t hdr_len = 70;
size_t addr_len = hex(len,2).size();
size_t len1 = 1;
size_t len2 = 1;
std::stringstream ss;
std::string s;
if (buf == nullptr)
len = 0;
if (intro.empty())
intro = "(null)";
/*****************************************************************************
* write caption and number of bytes.
****************************************************************************/
if (intro.size() <= (hdr_len - 4)) {
len1 = (hdr_len - 2)/2 - (size_t) (0.5 + intro.size()/2.0);
len2 = (hdr_len - 2) - (len1 + intro.size());
}
ss << " "
<< std::string(len1, '=')
<< ' ' << intro << ' '
<< std::string(len2, '=')
<< std::endl
<< " len = " << len << std::endl;
/*****************************************************************************
* now, print rows of 16 bytes and it's 7bit ASCII equivalent.
****************************************************************************/
for(size_t i=0; i<len; i++) {
size_t r = i % 16;
unsigned char c = *(buf + i);
if (r == 0) {
if (i) ss << std::endl;
ss << " " << hex((i/16)*16, addr_len) << ": ";
s = " ";
}
ss << hex(c, 2) << ' ';
if (std::isprint(c) == 0)
c = 32;
s[i % 16] = c;
if (r == 15)
ss << "; " << s;
if (i == len-1) {
size_t n = len % 16;
if (n > 0)
ss << std::string((16-n)*3, ' ') << "; " << s;
}
}
ss << std::endl << " " << std::string(hdr_len, '=') << std::endl;
if (to_stderr)
std::cerr << ss.str() << std::endl;
else
std::cout << ss.str() << std::endl;
}
void HexDumpW(std::wstring intro, const unsigned char* buf, size_t len, bool to_stderr) {
if (intro.empty())
intro = L"(null)";
HexDump(WStrToStr(intro), buf, len, to_stderr);
}
void HexDump(std::string intro, std::vector<unsigned char>& vec, bool to_stderr) {
HexDump(intro, vec.data(), vec.size(), to_stderr);
}
void HexDumpW(std::wstring intro, std::vector<unsigned char>& vec, bool to_stderr) {
if (intro.empty())
intro = L"(null)";
HexDump(WStrToStr(intro), vec.data(), vec.size(), to_stderr);
}
template<class T> void IntDump(std::string intro, const T* buf, size_t len, bool to_stderr) {
size_t addr_len = hex(len,2).size();
size_t len1 = 1;
size_t len2 = 1;
size_t len3 = sizeof(T) * 2;
size_t hdr_len = (addr_len + 1) + (16 * (1 + len3));
std::stringstream ss;
if (buf == nullptr)
len = 0;
if (intro.empty())
intro = "(null)";
/*****************************************************************************
* write caption and number of bytes.
****************************************************************************/
if (intro.size() <= (hdr_len - 4)) {
len1 = (hdr_len - 2)/2 - (size_t) (0.5 + intro.size()/2.0);
len2 = (hdr_len - 2) - (len1 + intro.size());
}
ss << " "
<< std::string(len1, '=')
<< ' ' << intro << ' '
<< std::string(len2, '=')
<< std::endl
<< " len = " << len << std::endl;
/*****************************************************************************
* now, print rows of 16 T's
****************************************************************************/
for(size_t i=0; i<len; i++) {
size_t r = i % 16;
T u = *(buf + i);
if (r == 0) {
if (i) ss << std::endl;
ss << " " << hex((i/16)*16, addr_len) << ": ";
}
ss << hex(u, len3) << ' ';
}
ss << std::endl << " " << std::string(hdr_len, '=') << std::endl;
if (to_stderr)
std::cerr << ss.str() << std::endl;
else
std::cout << ss.str() << std::endl;
}
void ByteDump(std::string intro, const uint8_t* buf, size_t len, bool to_stderr) {
IntDump(intro, buf, len, to_stderr);
}
void WordDump(std::string intro, const uint16_t* buf, size_t len, bool to_stderr) {
IntDump(intro, buf, len, to_stderr);
}
void DwordDump(std::string intro, const uint32_t* buf, size_t len, bool to_stderr) {
IntDump(intro, buf, len, to_stderr);
}
void QwordDump(std::string intro, const uint64_t* buf, size_t len, bool to_stderr) {
IntDump(intro, buf, len, to_stderr);
}
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