/src/sleuthkit/tsk/util/span.hpp
Line | Count | Source (jump to first uncovered line) |
1 | | #pragma once |
2 | | |
3 | | #include <cstddef> |
4 | | #include <iterator> |
5 | | #include <stdexcept> |
6 | | #include <type_traits> |
7 | | |
8 | | // TODO(JTS): We really should just use gsl::span |
9 | | |
10 | | template <typename T> |
11 | | class span { |
12 | | // TODO(JTS): Finish this to make it useful |
13 | | public: |
14 | | using element_type = T; |
15 | | using index_type = size_t; |
16 | | using pointer = T*; |
17 | | using reference = T&; |
18 | | using value = std::remove_cv_t<T>; |
19 | | |
20 | | protected: |
21 | | pointer _storage{}; |
22 | | index_type _count{}; |
23 | | |
24 | | public: |
25 | 0 | span() = default; |
26 | | span(std::nullptr_t) noexcept : span() {} |
27 | | |
28 | 0 | span(pointer p, index_type n) noexcept : _storage{p}, _count{n} {}Unexecuted instantiation: span<char>::span(char*, unsigned long) Unexecuted instantiation: span<unsigned char const>::span(unsigned char const*, unsigned long) |
29 | | |
30 | | template <size_t N> |
31 | | span(element_type (&arr)[N]) noexcept : span(arr, N) {} |
32 | | |
33 | | span(pointer first, pointer last) noexcept |
34 | | : span(first, std::distance(first, last)) {} |
35 | | |
36 | 0 | index_type count() const noexcept { return _count; }Unexecuted instantiation: span<char>::count() const Unexecuted instantiation: span<unsigned char const>::count() const |
37 | | |
38 | 0 | bool valid() const noexcept { return _storage != nullptr; } |
39 | 0 | pointer data() const noexcept { return _storage; } |
40 | | }; |
41 | | |
42 | | struct memory_view : public span<char> { |
43 | | using span::span; |
44 | | |
45 | | template <typename T> |
46 | 0 | T* as() const { |
47 | | // if ((size_t) count() < sizeof(T)) { |
48 | | // throw std::runtime_error("not enough space"); |
49 | | //} |
50 | |
|
51 | 0 | return reinterpret_cast<T*>(_storage); |
52 | 0 | } Unexecuted instantiation: APFSJObjKey* memory_view::as<APFSJObjKey>() const Unexecuted instantiation: apfs_inode* memory_view::as<apfs_inode>() const Unexecuted instantiation: apfs_fs.cpp:APFSJObject::add_entry(APFSBtreeNodeIterator<APFSJObjBtreeNode>::value_type const&)::dir_record_key* memory_view::as<APFSJObject::add_entry(APFSBtreeNodeIterator<APFSJObjBtreeNode>::value_type const&)::dir_record_key>() const Unexecuted instantiation: apfs_dir_record* memory_view::as<apfs_dir_record>() const Unexecuted instantiation: apfs_fs.cpp:APFSJObject::add_entry(APFSBtreeNodeIterator<APFSJObjBtreeNode>::value_type const&)::file_extent_key* memory_view::as<APFSJObject::add_entry(APFSBtreeNodeIterator<APFSJObjBtreeNode>::value_type const&)::file_extent_key>() const Unexecuted instantiation: apfs_file_extent* memory_view::as<apfs_file_extent>() const Unexecuted instantiation: apfs_fs.cpp:APFSJObject::add_entry(APFSBtreeNodeIterator<APFSJObjBtreeNode>::value_type const&)::xattr_key* memory_view::as<APFSJObject::add_entry(APFSBtreeNodeIterator<APFSJObjBtreeNode>::value_type const&)::xattr_key>() const Unexecuted instantiation: apfs_xattr* memory_view::as<apfs_xattr>() const Unexecuted instantiation: apfs_fs.cpp:APFSJObject::add_entry(APFSBtreeNodeIterator<APFSJObjBtreeNode>::value_type const&)::ixattr* memory_view::as<APFSJObject::add_entry(APFSBtreeNodeIterator<APFSJObjBtreeNode>::value_type const&)::ixattr>() const Unexecuted instantiation: apfs_fs.cpp:APFSJObject::add_entry(APFSBtreeNodeIterator<APFSJObjBtreeNode>::value_type const&)::nrattr* memory_view::as<APFSJObject::add_entry(APFSBtreeNodeIterator<APFSJObjBtreeNode>::value_type const&)::nrattr>() const Unexecuted instantiation: apfs.cpp:APFSFileSystem::snapshots() const::key_type* memory_view::as<APFSFileSystem::snapshots() const::key_type>() const Unexecuted instantiation: apfs_snap_metadata* memory_view::as<apfs_snap_metadata>() const Unexecuted instantiation: APFSPhysicalExtentKey* memory_view::as<APFSPhysicalExtentKey>() const |
53 | | }; |