forked from lix-project/lix
33 lines
1.1 KiB
C++
33 lines
1.1 KiB
C++
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#pragma once
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#include <regex>
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namespace nix::fetchers {
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// URI stuff.
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const static std::string pctEncoded = "%[0-9a-fA-F][0-9a-fA-F]";
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const static std::string schemeRegex = "[a-z+]+";
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const static std::string authorityRegex =
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"(?:(?:[a-z])*@)?"
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"[a-zA-Z0-9._~-]*";
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const static std::string segmentRegex = "[a-zA-Z0-9._~-]+";
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const static std::string pathRegex = "(?:/?" + segmentRegex + "(?:/" + segmentRegex + ")*|/?)";
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const static std::string pcharRegex =
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"(?:[a-zA-Z0-9-._~!$&'()*+,;=:@ ]|" + pctEncoded + ")";
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const static std::string queryRegex = "(?:" + pcharRegex + "|[/?])*";
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// A Git ref (i.e. branch or tag name).
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const static std::string refRegexS = "[a-zA-Z0-9][a-zA-Z0-9_.-]*"; // FIXME: check
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extern std::regex refRegex;
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// A Git revision (a SHA-1 commit hash).
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const static std::string revRegexS = "[0-9a-fA-F]{40}";
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extern std::regex revRegex;
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// A ref or revision, or a ref followed by a revision.
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const static std::string refAndOrRevRegex = "(?:(" + revRegexS + ")|(?:(" + refRegexS + ")(?:/(" + revRegexS + "))?))";
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const static std::string flakeId = "[a-zA-Z][a-zA-Z0-9_-]*";
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}
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