BizHawk/waterbox/ares64/ares/nall/vector/specialization/u8.hpp

39 lines
1.0 KiB
C++

#pragma once
namespace nall {
template<> struct vector<u8> : vector_base<u8> {
using type = vector<u8>;
using vector_base<u8>::vector_base;
template<typename U> auto appendl(U value, u32 size) -> void {
for(u32 byte : range(size)) append(u8(value >> byte * 8));
}
template<typename U> auto appendm(U value, u32 size) -> void {
for(u32 byte : nall::reverse(range(size))) append(u8(value >> byte * 8));
}
//note: string_view is not declared here yet ...
auto appends(array_view<u8> memory) -> void {
for(u8 byte : memory) append(byte);
}
template<typename U> auto readl(s32 offset, u32 size) -> U {
if(offset < 0) offset = this->size() - abs(offset);
U value = 0;
for(u32 byte : range(size)) value |= (U)operator[](offset + byte) << byte * 8;
return value;
}
auto view(u32 offset, u32 length) -> array_view<u8> {
#ifdef DEBUG
struct out_of_bounds {};
if(offset + length >= size()) throw out_of_bounds{};
#endif
return {data() + offset, length};
}
};
}