blob: 0906a4606eb4be2457027469ebadc03fa96662dc (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
#pragma once
#include <functional>
#include "libstore/fs-accessor.hh"
namespace nix {
/* Return an object that provides access to the contents of a NAR
file. */
ref<FSAccessor> makeNarAccessor(ref<const std::string> nar);
/* Create a NAR accessor from a NAR listing (in the format produced by
listNar()). The callback getNarBytes(offset, length) is used by the
readFile() method of the accessor to get the contents of files
inside the NAR. */
typedef std::function<std::string(uint64_t, uint64_t)> GetNarBytes;
ref<FSAccessor> makeLazyNarAccessor(const std::string& listing,
GetNarBytes getNarBytes);
class JSONPlaceholder;
/* Write a JSON representation of the contents of a NAR (except file
contents). */
void listNar(JSONPlaceholder& res, const ref<FSAccessor>& accessor,
const Path& path, bool recurse);
} // namespace nix
|
