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#pragma once
//required bytes: ceil(bits / log2(base))
//base57 => 128=22, 256=44, 512=88
//base62 => 128=22, 256=43, 512=86
//base64 => 128=22, 256=43, 512=86
#include <nall/arithmetic.hpp>
namespace nall::Encode {
template<u32 Bits, typename T> inline auto Base(T value) -> string {
static const string format =
Bits == 2 ? "01"
: Bits == 8 ? "01234567"
: Bits == 10 ? "0123456789"
: Bits == 16 ? "0123456789abcdef"
: Bits == 32 ? "0123456789abcdefghijklmnopqrstuv"
: Bits == 34 ? "023456789abcdefghijkmnopqrstuvwxyz" //1l
: Bits == 36 ? "0123456789abcdefghijklmnopqrstuvwxyz"
: Bits == 57 ? "23456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz" //01IOl
: Bits == 62 ? "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
: Bits == 64 ? "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz{}"
: Bits == 85 ? "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!#$%()+,-.:;=@[]^_`{|}~" //\ "&'*/<>?
: "";
static const u32 size = ceil(sizeof(T) * 8 / log2(Bits));
string result;
result.resize(size);
char* data = result.get() + size;
for(auto byte : result) {
*--data = format[value % Bits];
value /= Bits;
}
return result;
}
}
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