mirror of
https://github.com/CLIUtils/CLI11.git
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063b2c911c
fix failing fuzz case involving binary string with a '\x' in it. --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
703 lines
24 KiB
C++
703 lines
24 KiB
C++
// Copyright (c) 2017-2024, University of Cincinnati, developed by Henry Schreiner
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// under NSF AWARD 1414736 and by the respective contributors.
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// All rights reserved.
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//
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// SPDX-License-Identifier: BSD-3-Clause
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#pragma once
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// IWYU pragma: private, include "CLI/CLI.hpp"
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// This include is only needed for IDEs to discover symbols
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#include "../Option.hpp"
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// [CLI11:public_includes:set]
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#include <algorithm>
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#include <string>
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#include <utility>
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#include <vector>
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// [CLI11:public_includes:end]
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namespace CLI {
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// [CLI11:option_inl_hpp:verbatim]
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template <typename CRTP> template <typename T> void OptionBase<CRTP>::copy_to(T *other) const {
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other->group(group_);
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other->required(required_);
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other->ignore_case(ignore_case_);
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other->ignore_underscore(ignore_underscore_);
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other->configurable(configurable_);
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other->disable_flag_override(disable_flag_override_);
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other->delimiter(delimiter_);
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other->always_capture_default(always_capture_default_);
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other->multi_option_policy(multi_option_policy_);
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}
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CLI11_INLINE Option *Option::expected(int value) {
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if(value < 0) {
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expected_min_ = -value;
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if(expected_max_ < expected_min_) {
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expected_max_ = expected_min_;
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}
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allow_extra_args_ = true;
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flag_like_ = false;
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} else if(value == detail::expected_max_vector_size) {
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expected_min_ = 1;
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expected_max_ = detail::expected_max_vector_size;
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allow_extra_args_ = true;
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flag_like_ = false;
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} else {
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expected_min_ = value;
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expected_max_ = value;
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flag_like_ = (expected_min_ == 0);
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}
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return this;
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}
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CLI11_INLINE Option *Option::expected(int value_min, int value_max) {
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if(value_min < 0) {
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value_min = -value_min;
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}
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if(value_max < 0) {
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value_max = detail::expected_max_vector_size;
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}
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if(value_max < value_min) {
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expected_min_ = value_max;
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expected_max_ = value_min;
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} else {
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expected_max_ = value_max;
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expected_min_ = value_min;
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}
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return this;
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}
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CLI11_INLINE Option *Option::check(Validator validator, const std::string &validator_name) {
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validator.non_modifying();
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validators_.push_back(std::move(validator));
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if(!validator_name.empty())
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validators_.back().name(validator_name);
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return this;
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}
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CLI11_INLINE Option *Option::check(std::function<std::string(const std::string &)> Validator,
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std::string Validator_description,
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std::string Validator_name) {
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validators_.emplace_back(Validator, std::move(Validator_description), std::move(Validator_name));
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validators_.back().non_modifying();
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return this;
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}
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CLI11_INLINE Option *Option::transform(Validator Validator, const std::string &Validator_name) {
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validators_.insert(validators_.begin(), std::move(Validator));
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if(!Validator_name.empty())
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validators_.front().name(Validator_name);
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return this;
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}
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CLI11_INLINE Option *Option::transform(const std::function<std::string(std::string)> &func,
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std::string transform_description,
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std::string transform_name) {
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validators_.insert(validators_.begin(),
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Validator(
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[func](std::string &val) {
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val = func(val);
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return std::string{};
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},
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std::move(transform_description),
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std::move(transform_name)));
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return this;
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}
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CLI11_INLINE Option *Option::each(const std::function<void(std::string)> &func) {
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validators_.emplace_back(
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[func](std::string &inout) {
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func(inout);
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return std::string{};
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},
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std::string{});
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return this;
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}
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CLI11_INLINE Validator *Option::get_validator(const std::string &Validator_name) {
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for(auto &Validator : validators_) {
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if(Validator_name == Validator.get_name()) {
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return &Validator;
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}
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}
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if((Validator_name.empty()) && (!validators_.empty())) {
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return &(validators_.front());
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}
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throw OptionNotFound(std::string{"Validator "} + Validator_name + " Not Found");
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}
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CLI11_INLINE Validator *Option::get_validator(int index) {
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// This is an signed int so that it is not equivalent to a pointer.
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if(index >= 0 && index < static_cast<int>(validators_.size())) {
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return &(validators_[static_cast<decltype(validators_)::size_type>(index)]);
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}
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throw OptionNotFound("Validator index is not valid");
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}
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CLI11_INLINE bool Option::remove_needs(Option *opt) {
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auto iterator = std::find(std::begin(needs_), std::end(needs_), opt);
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if(iterator == std::end(needs_)) {
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return false;
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}
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needs_.erase(iterator);
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return true;
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}
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CLI11_INLINE Option *Option::excludes(Option *opt) {
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if(opt == this) {
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throw(IncorrectConstruction("and option cannot exclude itself"));
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}
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excludes_.insert(opt);
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// Help text should be symmetric - excluding a should exclude b
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opt->excludes_.insert(this);
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// Ignoring the insert return value, excluding twice is now allowed.
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// (Mostly to allow both directions to be excluded by user, even though the library does it for you.)
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return this;
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}
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CLI11_INLINE bool Option::remove_excludes(Option *opt) {
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auto iterator = std::find(std::begin(excludes_), std::end(excludes_), opt);
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if(iterator == std::end(excludes_)) {
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return false;
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}
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excludes_.erase(iterator);
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return true;
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}
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template <typename T> Option *Option::ignore_case(bool value) {
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if(!ignore_case_ && value) {
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ignore_case_ = value;
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auto *parent = static_cast<T *>(parent_);
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for(const Option_p &opt : parent->options_) {
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if(opt.get() == this) {
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continue;
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}
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const auto &omatch = opt->matching_name(*this);
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if(!omatch.empty()) {
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ignore_case_ = false;
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throw OptionAlreadyAdded("adding ignore case caused a name conflict with " + omatch);
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}
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}
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} else {
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ignore_case_ = value;
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}
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return this;
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}
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template <typename T> Option *Option::ignore_underscore(bool value) {
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if(!ignore_underscore_ && value) {
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ignore_underscore_ = value;
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auto *parent = static_cast<T *>(parent_);
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for(const Option_p &opt : parent->options_) {
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if(opt.get() == this) {
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continue;
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}
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const auto &omatch = opt->matching_name(*this);
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if(!omatch.empty()) {
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ignore_underscore_ = false;
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throw OptionAlreadyAdded("adding ignore underscore caused a name conflict with " + omatch);
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}
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}
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} else {
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ignore_underscore_ = value;
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}
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return this;
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}
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CLI11_INLINE Option *Option::multi_option_policy(MultiOptionPolicy value) {
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if(value != multi_option_policy_) {
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if(multi_option_policy_ == MultiOptionPolicy::Throw && expected_max_ == detail::expected_max_vector_size &&
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expected_min_ > 1) { // this bizarre condition is to maintain backwards compatibility
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// with the previous behavior of expected_ with vectors
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expected_max_ = expected_min_;
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}
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multi_option_policy_ = value;
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current_option_state_ = option_state::parsing;
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}
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return this;
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}
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CLI11_NODISCARD CLI11_INLINE std::string Option::get_name(bool positional, bool all_options) const {
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if(get_group().empty())
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return {}; // Hidden
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if(all_options) {
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std::vector<std::string> name_list;
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/// The all list will never include a positional unless asked or that's the only name.
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if((positional && (!pname_.empty())) || (snames_.empty() && lnames_.empty())) {
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name_list.push_back(pname_);
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}
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if((get_items_expected() == 0) && (!fnames_.empty())) {
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for(const std::string &sname : snames_) {
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name_list.push_back("-" + sname);
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if(check_fname(sname)) {
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name_list.back() += "{" + get_flag_value(sname, "") + "}";
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}
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}
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for(const std::string &lname : lnames_) {
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name_list.push_back("--" + lname);
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if(check_fname(lname)) {
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name_list.back() += "{" + get_flag_value(lname, "") + "}";
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}
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}
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} else {
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for(const std::string &sname : snames_)
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name_list.push_back("-" + sname);
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for(const std::string &lname : lnames_)
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name_list.push_back("--" + lname);
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}
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return detail::join(name_list);
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}
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// This returns the positional name no matter what
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if(positional)
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return pname_;
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// Prefer long name
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if(!lnames_.empty())
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return std::string(2, '-') + lnames_[0];
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// Or short name if no long name
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if(!snames_.empty())
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return std::string(1, '-') + snames_[0];
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// If positional is the only name, it's okay to use that
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return pname_;
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}
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CLI11_INLINE void Option::run_callback() {
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bool used_default_str = false;
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if(force_callback_ && results_.empty()) {
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used_default_str = true;
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add_result(default_str_);
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}
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if(current_option_state_ == option_state::parsing) {
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_validate_results(results_);
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current_option_state_ = option_state::validated;
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}
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if(current_option_state_ < option_state::reduced) {
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_reduce_results(proc_results_, results_);
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}
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current_option_state_ = option_state::callback_run;
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if(callback_) {
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const results_t &send_results = proc_results_.empty() ? results_ : proc_results_;
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bool local_result = callback_(send_results);
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if(used_default_str) {
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// we only clear the results if the callback was actually used
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// otherwise the callback is the storage of the default
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results_.clear();
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proc_results_.clear();
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}
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if(!local_result)
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throw ConversionError(get_name(), results_);
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}
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}
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CLI11_NODISCARD CLI11_INLINE const std::string &Option::matching_name(const Option &other) const {
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static const std::string estring;
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bool bothConfigurable = configurable_ && other.configurable_;
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for(const std::string &sname : snames_) {
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if(other.check_sname(sname))
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return sname;
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if(bothConfigurable && other.check_lname(sname))
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return sname;
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}
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for(const std::string &lname : lnames_) {
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if(other.check_lname(lname))
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return lname;
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if(lname.size() == 1 && bothConfigurable) {
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if(other.check_sname(lname)) {
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return lname;
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}
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}
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}
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if(bothConfigurable && snames_.empty() && lnames_.empty() && !pname_.empty()) {
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if(other.check_sname(pname_) || other.check_lname(pname_) || pname_ == other.pname_)
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return pname_;
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}
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if(bothConfigurable && other.snames_.empty() && other.fnames_.empty() && !other.pname_.empty()) {
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if(check_sname(other.pname_) || check_lname(other.pname_) || (pname_ == other.pname_))
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return other.pname_;
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}
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if(ignore_case_ ||
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ignore_underscore_) { // We need to do the inverse, in case we are ignore_case or ignore underscore
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for(const std::string &sname : other.snames_)
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if(check_sname(sname))
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return sname;
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for(const std::string &lname : other.lnames_)
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if(check_lname(lname))
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return lname;
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}
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return estring;
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}
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CLI11_NODISCARD CLI11_INLINE bool Option::check_name(const std::string &name) const {
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if(name.length() > 2 && name[0] == '-' && name[1] == '-')
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return check_lname(name.substr(2));
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if(name.length() > 1 && name.front() == '-')
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return check_sname(name.substr(1));
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if(!pname_.empty()) {
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std::string local_pname = pname_;
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std::string local_name = name;
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if(ignore_underscore_) {
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local_pname = detail::remove_underscore(local_pname);
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local_name = detail::remove_underscore(local_name);
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}
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if(ignore_case_) {
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local_pname = detail::to_lower(local_pname);
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local_name = detail::to_lower(local_name);
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}
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if(local_name == local_pname) {
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return true;
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}
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}
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if(!envname_.empty()) {
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// this needs to be the original since envname_ shouldn't match on case insensitivity
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return (name == envname_);
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}
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return false;
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}
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CLI11_NODISCARD CLI11_INLINE std::string Option::get_flag_value(const std::string &name,
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std::string input_value) const {
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static const std::string trueString{"true"};
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static const std::string falseString{"false"};
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static const std::string emptyString{"{}"};
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// check for disable flag override_
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if(disable_flag_override_) {
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if(!((input_value.empty()) || (input_value == emptyString))) {
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auto default_ind = detail::find_member(name, fnames_, ignore_case_, ignore_underscore_);
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if(default_ind >= 0) {
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// We can static cast this to std::size_t because it is more than 0 in this block
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if(default_flag_values_[static_cast<std::size_t>(default_ind)].second != input_value) {
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if(input_value == default_str_ && force_callback_) {
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return input_value;
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}
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throw(ArgumentMismatch::FlagOverride(name));
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}
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} else {
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if(input_value != trueString) {
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throw(ArgumentMismatch::FlagOverride(name));
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}
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}
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}
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}
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auto ind = detail::find_member(name, fnames_, ignore_case_, ignore_underscore_);
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if((input_value.empty()) || (input_value == emptyString)) {
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if(flag_like_) {
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return (ind < 0) ? trueString : default_flag_values_[static_cast<std::size_t>(ind)].second;
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}
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return (ind < 0) ? default_str_ : default_flag_values_[static_cast<std::size_t>(ind)].second;
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}
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if(ind < 0) {
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return input_value;
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}
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if(default_flag_values_[static_cast<std::size_t>(ind)].second == falseString) {
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errno = 0;
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auto val = detail::to_flag_value(input_value);
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if(errno != 0) {
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errno = 0;
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return input_value;
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}
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return (val == 1) ? falseString : (val == (-1) ? trueString : std::to_string(-val));
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}
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return input_value;
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}
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CLI11_INLINE Option *Option::add_result(std::string s) {
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_add_result(std::move(s), results_);
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current_option_state_ = option_state::parsing;
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return this;
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}
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CLI11_INLINE Option *Option::add_result(std::string s, int &results_added) {
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results_added = _add_result(std::move(s), results_);
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current_option_state_ = option_state::parsing;
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return this;
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}
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CLI11_INLINE Option *Option::add_result(std::vector<std::string> s) {
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current_option_state_ = option_state::parsing;
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for(auto &str : s) {
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_add_result(std::move(str), results_);
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}
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return this;
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}
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CLI11_NODISCARD CLI11_INLINE results_t Option::reduced_results() const {
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results_t res = proc_results_.empty() ? results_ : proc_results_;
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if(current_option_state_ < option_state::reduced) {
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if(current_option_state_ == option_state::parsing) {
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res = results_;
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_validate_results(res);
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}
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if(!res.empty()) {
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results_t extra;
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_reduce_results(extra, res);
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if(!extra.empty()) {
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res = std::move(extra);
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}
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}
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}
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return res;
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}
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CLI11_INLINE Option *Option::type_size(int option_type_size) {
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if(option_type_size < 0) {
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// this section is included for backwards compatibility
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type_size_max_ = -option_type_size;
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type_size_min_ = -option_type_size;
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expected_max_ = detail::expected_max_vector_size;
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} else {
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type_size_max_ = option_type_size;
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if(type_size_max_ < detail::expected_max_vector_size) {
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type_size_min_ = option_type_size;
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} else {
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inject_separator_ = true;
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}
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if(type_size_max_ == 0)
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required_ = false;
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}
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return this;
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}
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CLI11_INLINE Option *Option::type_size(int option_type_size_min, int option_type_size_max) {
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if(option_type_size_min < 0 || option_type_size_max < 0) {
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// this section is included for backwards compatibility
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expected_max_ = detail::expected_max_vector_size;
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option_type_size_min = (std::abs)(option_type_size_min);
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option_type_size_max = (std::abs)(option_type_size_max);
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}
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if(option_type_size_min > option_type_size_max) {
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type_size_max_ = option_type_size_min;
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type_size_min_ = option_type_size_max;
|
|
} else {
|
|
type_size_min_ = option_type_size_min;
|
|
type_size_max_ = option_type_size_max;
|
|
}
|
|
if(type_size_max_ == 0) {
|
|
required_ = false;
|
|
}
|
|
if(type_size_max_ >= detail::expected_max_vector_size) {
|
|
inject_separator_ = true;
|
|
}
|
|
return this;
|
|
}
|
|
|
|
CLI11_NODISCARD CLI11_INLINE std::string Option::get_type_name() const {
|
|
std::string full_type_name = type_name_();
|
|
if(!validators_.empty()) {
|
|
for(const auto &Validator : validators_) {
|
|
std::string vtype = Validator.get_description();
|
|
if(!vtype.empty()) {
|
|
full_type_name += ":" + vtype;
|
|
}
|
|
}
|
|
}
|
|
return full_type_name;
|
|
}
|
|
|
|
CLI11_INLINE void Option::_validate_results(results_t &res) const {
|
|
// Run the Validators (can change the string)
|
|
if(!validators_.empty()) {
|
|
if(type_size_max_ > 1) { // in this context index refers to the index in the type
|
|
int index = 0;
|
|
if(get_items_expected_max() < static_cast<int>(res.size()) &&
|
|
(multi_option_policy_ == CLI::MultiOptionPolicy::TakeLast ||
|
|
multi_option_policy_ == CLI::MultiOptionPolicy::Reverse)) {
|
|
// create a negative index for the earliest ones
|
|
index = get_items_expected_max() - static_cast<int>(res.size());
|
|
}
|
|
|
|
for(std::string &result : res) {
|
|
if(detail::is_separator(result) && type_size_max_ != type_size_min_ && index >= 0) {
|
|
index = 0; // reset index for variable size chunks
|
|
continue;
|
|
}
|
|
auto err_msg = _validate(result, (index >= 0) ? (index % type_size_max_) : index);
|
|
if(!err_msg.empty())
|
|
throw ValidationError(get_name(), err_msg);
|
|
++index;
|
|
}
|
|
} else {
|
|
int index = 0;
|
|
if(expected_max_ < static_cast<int>(res.size()) &&
|
|
(multi_option_policy_ == CLI::MultiOptionPolicy::TakeLast ||
|
|
multi_option_policy_ == CLI::MultiOptionPolicy::Reverse)) {
|
|
// create a negative index for the earliest ones
|
|
index = expected_max_ - static_cast<int>(res.size());
|
|
}
|
|
for(std::string &result : res) {
|
|
auto err_msg = _validate(result, index);
|
|
++index;
|
|
if(!err_msg.empty())
|
|
throw ValidationError(get_name(), err_msg);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
CLI11_INLINE void Option::_reduce_results(results_t &out, const results_t &original) const {
|
|
|
|
// max num items expected or length of vector, always at least 1
|
|
// Only valid for a trimming policy
|
|
|
|
out.clear();
|
|
// Operation depends on the policy setting
|
|
switch(multi_option_policy_) {
|
|
case MultiOptionPolicy::TakeAll:
|
|
break;
|
|
case MultiOptionPolicy::TakeLast: {
|
|
// Allow multi-option sizes (including 0)
|
|
std::size_t trim_size = std::min<std::size_t>(
|
|
static_cast<std::size_t>(std::max<int>(get_items_expected_max(), 1)), original.size());
|
|
if(original.size() != trim_size) {
|
|
out.assign(original.end() - static_cast<results_t::difference_type>(trim_size), original.end());
|
|
}
|
|
} break;
|
|
case MultiOptionPolicy::Reverse: {
|
|
// Allow multi-option sizes (including 0)
|
|
std::size_t trim_size = std::min<std::size_t>(
|
|
static_cast<std::size_t>(std::max<int>(get_items_expected_max(), 1)), original.size());
|
|
if(original.size() != trim_size || trim_size > 1) {
|
|
out.assign(original.end() - static_cast<results_t::difference_type>(trim_size), original.end());
|
|
}
|
|
std::reverse(out.begin(), out.end());
|
|
} break;
|
|
case MultiOptionPolicy::TakeFirst: {
|
|
std::size_t trim_size = std::min<std::size_t>(
|
|
static_cast<std::size_t>(std::max<int>(get_items_expected_max(), 1)), original.size());
|
|
if(original.size() != trim_size) {
|
|
out.assign(original.begin(), original.begin() + static_cast<results_t::difference_type>(trim_size));
|
|
}
|
|
} break;
|
|
case MultiOptionPolicy::Join:
|
|
if(results_.size() > 1) {
|
|
out.push_back(detail::join(original, std::string(1, (delimiter_ == '\0') ? '\n' : delimiter_)));
|
|
}
|
|
break;
|
|
case MultiOptionPolicy::Sum:
|
|
out.push_back(detail::sum_string_vector(original));
|
|
break;
|
|
case MultiOptionPolicy::Throw:
|
|
default: {
|
|
auto num_min = static_cast<std::size_t>(get_items_expected_min());
|
|
auto num_max = static_cast<std::size_t>(get_items_expected_max());
|
|
if(num_min == 0) {
|
|
num_min = 1;
|
|
}
|
|
if(num_max == 0) {
|
|
num_max = 1;
|
|
}
|
|
if(original.size() < num_min) {
|
|
throw ArgumentMismatch::AtLeast(get_name(), static_cast<int>(num_min), original.size());
|
|
}
|
|
if(original.size() > num_max) {
|
|
if(original.size() == 2 && num_max == 1 && original[1] == "%%" && original[0] == "{}") {
|
|
// this condition is a trap for the following empty indicator check on config files
|
|
out = original;
|
|
} else {
|
|
throw ArgumentMismatch::AtMost(get_name(), static_cast<int>(num_max), original.size());
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
// this check is to allow an empty vector in certain circumstances but not if expected is not zero.
|
|
// {} is the indicator for an empty container
|
|
if(out.empty()) {
|
|
if(original.size() == 1 && original[0] == "{}" && get_items_expected_min() > 0) {
|
|
out.emplace_back("{}");
|
|
out.emplace_back("%%");
|
|
}
|
|
} else if(out.size() == 1 && out[0] == "{}" && get_items_expected_min() > 0) {
|
|
out.emplace_back("%%");
|
|
}
|
|
}
|
|
|
|
CLI11_INLINE std::string Option::_validate(std::string &result, int index) const {
|
|
std::string err_msg;
|
|
if(result.empty() && expected_min_ == 0) {
|
|
// an empty with nothing expected is allowed
|
|
return err_msg;
|
|
}
|
|
for(const auto &vali : validators_) {
|
|
auto v = vali.get_application_index();
|
|
if(v == -1 || v == index) {
|
|
try {
|
|
err_msg = vali(result);
|
|
} catch(const ValidationError &err) {
|
|
err_msg = err.what();
|
|
}
|
|
if(!err_msg.empty())
|
|
break;
|
|
}
|
|
}
|
|
|
|
return err_msg;
|
|
}
|
|
|
|
CLI11_INLINE int Option::_add_result(std::string &&result, std::vector<std::string> &res) const {
|
|
int result_count = 0;
|
|
if((allow_extra_args_ || get_expected_max() > 1) && !result.empty() && result.front() == '[' &&
|
|
result.back() == ']') { // this is now a vector string likely from the default or user entry
|
|
result.pop_back();
|
|
result.erase(result.begin());
|
|
bool skipSection{false};
|
|
for(auto &var : CLI::detail::split_up(result, ',')) {
|
|
if(var == result) {
|
|
skipSection = true;
|
|
break;
|
|
}
|
|
if(!var.empty()) {
|
|
result_count += _add_result(std::move(var), res);
|
|
}
|
|
}
|
|
if(!skipSection) {
|
|
return result_count;
|
|
}
|
|
}
|
|
if(delimiter_ == '\0') {
|
|
res.push_back(std::move(result));
|
|
++result_count;
|
|
} else {
|
|
if((result.find_first_of(delimiter_) != std::string::npos)) {
|
|
for(const auto &var : CLI::detail::split(result, delimiter_)) {
|
|
if(!var.empty()) {
|
|
res.push_back(var);
|
|
++result_count;
|
|
}
|
|
}
|
|
} else {
|
|
res.push_back(std::move(result));
|
|
++result_count;
|
|
}
|
|
}
|
|
return result_count;
|
|
}
|
|
// [CLI11:option_inl_hpp:end]
|
|
} // namespace CLI
|