ImHex/include/utils.hpp

50 lines
1.4 KiB
C++

#pragma once
#include <hex.hpp>
#include <array>
#include <optional>
#include <string>
#include <memory>
#include <vector>
#include "parser/token.hpp"
namespace hex {
template<typename ... Args>
inline std::string format(const std::string &format, Args ... args) {
size_t size = snprintf( nullptr, 0, format.c_str(), args ... );
if( size <= 0 )
return "";
std::vector<char> buffer(size + 1, 0x00);
snprintf(buffer.data(), size + 1, format.c_str(), args ...);
return std::string(buffer.data(), buffer.data() + size);
}
[[nodiscard]] constexpr inline u64 signExtend(u64 value, u8 currWidth, u8 targetWidth) {
u64 mask = 1LLU << (currWidth - 1);
return (((value ^ mask) - mask) << (64 - targetWidth)) >> (64 - targetWidth);
}
constexpr inline bool isUnsigned(const lang::Token::TypeToken::Type type) {
return (static_cast<u32>(type) & 0x0F) == 0x00;
}
constexpr inline bool isSigned(const lang::Token::TypeToken::Type type) {
return (static_cast<u32>(type) & 0x0F) == 0x01;
}
constexpr inline bool isFloatingPoint(const lang::Token::TypeToken::Type type) {
return (static_cast<u32>(type) & 0x0F) == 0x02;
}
constexpr inline u32 getTypeSize(const lang::Token::TypeToken::Type type) {
return static_cast<u32>(type) >> 4;
}
}