28 lines
884 B
C++
28 lines
884 B
C++
#pragma once
|
|
|
|
#include <functional>
|
|
#include "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, ref<FSAccessor> accessor, const Path& path,
|
|
bool recurse);
|
|
|
|
} // namespace nix
|