#include "hacklib/StringManip.h"

#include <algorithm>

bool hl::IsNumber(const std::string& s)

{

return !s.empty() && std::find_if(s.begin(), s.end(), [](char c) { return !std::isdigit(c); }) == s.end();

}

std::string hl::ToUpper(std::string s)

{

std::transform(s.begin(), s.end(), s.begin(), [](unsigned char c) { return std::toupper(c); });

return s;

}

std::string hl::ToHexDump(std::span<const uint8_t> data, size_t bytesPerLine)

{

std::string output;

for (size_t i = 0; i < data.size(); i++)

{

// Start new line for every 16 bytes.

if (i != 0 && i % bytesPerLine == 0)

{

output += "\n";

}

// Print address row.

if (i % bytesPerLine == 0)

{

char address[8];

snprintf(address, sizeof(address), "%04X ", (unsigned int)i);

output += address;

}

// Print byte.

char byte[4];

snprintf(byte, sizeof(byte), "%02X ", (unsigned char)data[i]);

output += byte;

// Print ASCII row.

if ((i + 1) % bytesPerLine == 0 || i + 1 == data.size())

{

size_t printedInThisRow = (i % bytesPerLine) + 1;

// Align to end of data row.

for (size_t j = 0; j < 17 - printedInThisRow; j++)

{

output += " ";

}

size_t startOfLine = i & ~0xf;

for (size_t j = 0; j < printedInThisRow; j++)

{

char ascii = data[startOfLine + j];

if (ascii == '\0')

{

output += ".";

}

else if (ascii < 0x20 || ascii == 0x7f)

{

output += ",";

}

else if (ascii >= 0x20 && ascii < 0x7f)

{

output += ascii;

}

else

{

output += (j % 2 == 0 ? "<" : ">");

}

}

}

}

output += "\n";

return output;

}