24 lines
716 B
C++
24 lines
716 B
C++
#pragma once
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///@file url-name.hh, for some hueristic-ish URL parsing.
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#include <string>
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#include <optional>
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#include "lix/libutil/url.hh"
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namespace nix {
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/**
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* Try to extract a reasonably unique and meaningful, human-readable
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* name of a flake output from a parsed URL.
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* When nullopt is returned, the callsite should use information available
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* to it outside of the URL to determine a useful name.
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* This is a heuristic approach intended for user interfaces.
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* @return nullopt if the extracted name is not useful to identify a
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* flake output, for example because it is empty or "default".
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* Otherwise returns the extracted name.
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*/
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std::optional<std::string> getNameFromURL(ParsedURL const & url);
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}
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