nar-accessor.hh File Reference

#include "lix/libstore/fs-accessor.hh"
#include "lix/libutil/archive.hh"
#include "lix/libutil/json-fwd.hh"
#include "lix/libutil/ref.hh"
#include <functional>

Go to the source code of this file.

Typedefs
typedef std::function< std::string(uint64_t, uint64_t)>	nix::GetNarBytes

Functions
ref< FSAccessor >	nix::makeNarAccessor (std::string &&nar)
ref< FSAccessor >	nix::makeNarAccessor (Source &source)
ref< FSAccessor >	nix::makeLazyNarAccessor (const std::string &listing, GetNarBytes getNarBytes)
kj::Promise< Result< JSON > >	nix::listNar (ref< FSAccessor > accessor, const Path &path, bool recurse)
JSON	nix::listNar (const nar_index::Entry &nar)

Typedef Documentation

GetNarBytes

typedef std::function<std::string(uint64_t, uint64_t)> nix::GetNarBytes

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.

Function Documentation

listNar()

kj::Promise< Result< JSON > > nix::listNar	(	ref< FSAccessor >	accessor,
		const Path &	path,
		bool	recurse )

Write a JSON representation of the contents of a NAR (except file contents).

makeNarAccessor()

ref< FSAccessor > nix::makeNarAccessor

(

std::string &&

nar

)

Return an object that provides access to the contents of a NAR file.