71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
#pragma once
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/**
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* @file
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* @brief Options for printing Nix values.
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*/
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#include <limits>
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namespace nix {
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/**
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* Options for printing Nix values.
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*/
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struct PrintOptions
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{
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/**
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* If true, output ANSI color sequences.
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*/
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bool ansiColors = false;
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/**
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* If true, force values.
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*/
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bool force = false;
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/**
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* If true and `force` is set, print derivations as
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* `«derivation /nix/store/...»` instead of as attribute sets.
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*/
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bool derivationPaths = false;
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/**
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* If true, track which values have been printed and skip them on
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* subsequent encounters. Useful for self-referential values.
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*/
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bool trackRepeated = true;
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/**
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* Maximum depth to evaluate to.
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*/
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size_t maxDepth = std::numeric_limits<size_t>::max();
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/**
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* Maximum number of attributes in attribute sets to print.
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*
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* Note that this is a limit for the entire print invocation, not for each
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* attribute set encountered.
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*/
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size_t maxAttrs = std::numeric_limits<size_t>::max();
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/**
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* Maximum number of list items to print.
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*
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* Note that this is a limit for the entire print invocation, not for each
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* list encountered.
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*/
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size_t maxListItems = std::numeric_limits<size_t>::max();
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/**
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* Maximum string length to print.
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*/
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size_t maxStringLength = std::numeric_limits<size_t>::max();
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};
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/**
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* `PrintOptions` for unknown and therefore potentially large values in error messages,
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* to avoid printing "too much" output.
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*/
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static PrintOptions errorPrintOptions = PrintOptions {
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.ansiColors = true,
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.maxDepth = 10,
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.maxAttrs = 10,
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.maxListItems = 10,
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.maxStringLength = 1024
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};
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}
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