mirror of
https://github.com/NixOS/nix
synced 2025-06-25 02:21:16 +02:00
dd75711895
The actual motive here is the avoidance of integer overflow if we were to make these use checked NixInts and retain the subtraction. However, the actual *intent* of this code is a three-way comparison, which can be done with operator<=>, so we should just do *that* instead. Change-Id: I7f9a7da1f3176424b528af6d1b4f1591e4ab26bf
36 lines
661 B
C++
36 lines
661 B
C++
#pragma once
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///@file
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#include <memory>
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#include "types.hh"
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namespace nix {
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struct Regex;
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struct DrvName
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{
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std::string fullName;
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std::string name;
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std::string version;
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unsigned int hits;
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DrvName();
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DrvName(std::string_view s);
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~DrvName();
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bool matches(const DrvName & n);
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private:
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std::unique_ptr<Regex> regex;
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};
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typedef std::list<DrvName> DrvNames;
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std::string_view nextComponent(std::string_view::const_iterator & p,
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const std::string_view::const_iterator end);
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std::strong_ordering compareVersions(const std::string_view v1, const std::string_view v2);
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DrvNames drvNamesFromArgs(const Strings & opArgs);
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}
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