31 lines
751 B
C++
31 lines
751 B
C++
#pragma once
|
|
|
|
#include "types.hh"
|
|
|
|
namespace nix {
|
|
|
|
/* An abstract class for accessing a filesystem-like structure, such
|
|
as a (possibly remote) Nix store or the contents of a NAR file. */
|
|
class FSAccessor {
|
|
public:
|
|
enum Type { tMissing, tRegular, tSymlink, tDirectory };
|
|
|
|
struct Stat {
|
|
Type type = tMissing;
|
|
uint64_t fileSize = 0; // regular files only
|
|
bool isExecutable = false; // regular files only
|
|
uint64_t narOffset = 0; // regular files only
|
|
};
|
|
|
|
virtual ~FSAccessor() {}
|
|
|
|
virtual Stat stat(const Path& path) = 0;
|
|
|
|
virtual StringSet readDirectory(const Path& path) = 0;
|
|
|
|
virtual std::string readFile(const Path& path) = 0;
|
|
|
|
virtual std::string readLink(const Path& path) = 0;
|
|
};
|
|
|
|
} // namespace nix
|