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