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refactor(mmif): allow integral types as offset arguments to as/span

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This commit is contained in:
Marcus Holland-Moritz 2025-03-15 12:47:28 +01:00
parent 42a904d4cd
commit 742e6ccca2
1 changed files with 12 additions and 6 deletions
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18
include/dwarfs/mmif.h
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@ -21,6 +21,7 @@
#pragma once
#include <concepts>
#include <filesystem>
#include <span>
#include <string>
@ -44,22 +45,27 @@ class mmif : public boost::noncopyable {
public:
virtual ~mmif() = default;
template <typename T>
T const* as(file_off_t offset = 0) const {
template <typename T, std::integral U>
T const* as(U offset = 0) const {
return reinterpret_cast<T const*>(
reinterpret_cast<char const*>(this->addr()) + offset);
}
template <typename T = uint8_t>
std::span<T const> span(file_off_t offset, size_t length) const {
template <typename T = uint8_t, std::integral U>
std::span<T const> span(U offset, size_t length) const {
return std::span(this->as<T>(offset), length);
}
template <typename T = uint8_t>
std::span<T const> span(file_off_t offset = 0) const {
template <typename T = uint8_t, std::integral U>
std::span<T const> span(U offset) const {
return span<T>(offset, size() - offset);
}
template <typename T = uint8_t>
std::span<T const> span() const {
return span<T>(0);
}
virtual void const* addr() const = 0;
virtual size_t size() const = 0;