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fcbc36cf78
Progress on #9205 Co-Authored-By: John Ericson <John.Ericson@Obsidian.Systems> * Get rid of `PathNG`, just use `std::filesystem::path`
60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
#pragma once
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///@file
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#include <optional>
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#include <filesystem>
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#include "types.hh"
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namespace nix {
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/**
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* Paths are just `std::filesystem::path`s.
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*
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* @todo drop `NG` suffix and replace the ones in `types.hh`.
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*/
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typedef std::list<std::filesystem::path> PathsNG;
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typedef std::set<std::filesystem::path> PathSetNG;
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/**
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* Stop gap until `std::filesystem::path_view` from P1030R6 exists in a
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* future C++ standard.
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*
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* @todo drop `NG` suffix and replace the one in `types.hh`.
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*/
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struct PathViewNG : std::basic_string_view<std::filesystem::path::value_type>
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{
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using string_view = std::basic_string_view<std::filesystem::path::value_type>;
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using string_view::string_view;
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PathViewNG(const std::filesystem::path & path)
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: std::basic_string_view<std::filesystem::path::value_type>(path.native())
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{ }
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PathViewNG(const std::filesystem::path::string_type & path)
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: std::basic_string_view<std::filesystem::path::value_type>(path)
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{ }
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const string_view & native() const { return *this; }
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string_view & native() { return *this; }
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};
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std::string os_string_to_string(PathViewNG::string_view path);
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std::filesystem::path::string_type string_to_os_string(std::string_view s);
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std::optional<std::filesystem::path> maybePath(PathView path);
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std::filesystem::path pathNG(PathView path);
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/**
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* Create string literals with the native character width of paths
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*/
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#ifndef _WIN32
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# define PATHNG_LITERAL(s) s
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#else
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# define PATHNG_LITERAL(s) L ## s
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#endif
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}
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