Merge commit '147125babfc18abf586237344d6dab5a4bd1e79f' as 'libs/cli11'

This commit is contained in:
Henry Winkel
2022-09-15 09:51:20 +02:00
163 changed files with 38023 additions and 0 deletions

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
// CLI Library includes
// Order is important for combiner script
#include "Version.hpp"
#include "Macros.hpp"
#include "StringTools.hpp"
#include "Error.hpp"
#include "TypeTools.hpp"
#include "Split.hpp"
#include "ConfigFwd.hpp"
#include "Validators.hpp"
#include "FormatterFwd.hpp"
#include "Option.hpp"
#include "App.hpp"
#include "Config.hpp"
#include "Formatter.hpp"

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
// [CLI11:public_includes:set]
#include <algorithm>
#include <cctype>
#include <fstream>
#include <iostream>
#include <string>
#include <utility>
#include <vector>
// [CLI11:public_includes:set]
#include "App.hpp"
#include "ConfigFwd.hpp"
#include "StringTools.hpp"
namespace CLI {
// [CLI11:config_hpp:verbatim]
namespace detail {
std::string convert_arg_for_ini(const std::string &arg, char stringQuote = '"', char characterQuote = '\'');
/// Comma separated join, adds quotes if needed
std::string ini_join(const std::vector<std::string> &args,
char sepChar = ',',
char arrayStart = '[',
char arrayEnd = ']',
char stringQuote = '"',
char characterQuote = '\'');
std::vector<std::string> generate_parents(const std::string &section, std::string &name, char parentSeparator);
/// assuming non default segments do a check on the close and open of the segments in a configItem structure
void checkParentSegments(std::vector<ConfigItem> &output, const std::string &currentSection, char parentSeparator);
} // namespace detail
// [CLI11:config_hpp:end]
} // namespace CLI
#ifndef CLI11_COMPILE
#include "impl/Config_inl.hpp"
#endif

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
// [CLI11:public_includes:set]
#include <algorithm>
#include <fstream>
#include <iostream>
#include <string>
#include <vector>
// [CLI11:public_includes:end]
#include "Error.hpp"
#include "StringTools.hpp"
namespace CLI {
// [CLI11:config_fwd_hpp:verbatim]
class App;
/// Holds values to load into Options
struct ConfigItem {
/// This is the list of parents
std::vector<std::string> parents{};
/// This is the name
std::string name{};
/// Listing of inputs
std::vector<std::string> inputs{};
/// The list of parents and name joined by "."
CLI11_NODISCARD std::string fullname() const {
std::vector<std::string> tmp = parents;
tmp.emplace_back(name);
return detail::join(tmp, ".");
}
};
/// This class provides a converter for configuration files.
class Config {
protected:
std::vector<ConfigItem> items{};
public:
/// Convert an app into a configuration
virtual std::string to_config(const App *, bool, bool, std::string) const = 0;
/// Convert a configuration into an app
virtual std::vector<ConfigItem> from_config(std::istream &) const = 0;
/// Get a flag value
CLI11_NODISCARD virtual std::string to_flag(const ConfigItem &item) const {
if(item.inputs.size() == 1) {
return item.inputs.at(0);
}
if(item.inputs.empty()) {
return "{}";
}
throw ConversionError::TooManyInputsFlag(item.fullname());
}
/// Parse a config file, throw an error (ParseError:ConfigParseError or FileError) on failure
CLI11_NODISCARD std::vector<ConfigItem> from_file(const std::string &name) const {
std::ifstream input{name};
if(!input.good())
throw FileError::Missing(name);
return from_config(input);
}
/// Virtual destructor
virtual ~Config() = default;
};
/// This converter works with INI/TOML files; to write INI files use ConfigINI
class ConfigBase : public Config {
protected:
/// the character used for comments
char commentChar = '#';
/// the character used to start an array '\0' is a default to not use
char arrayStart = '[';
/// the character used to end an array '\0' is a default to not use
char arrayEnd = ']';
/// the character used to separate elements in an array
char arraySeparator = ',';
/// the character used separate the name from the value
char valueDelimiter = '=';
/// the character to use around strings
char stringQuote = '"';
/// the character to use around single characters
char characterQuote = '\'';
/// the maximum number of layers to allow
uint8_t maximumLayers{255};
/// the separator used to separator parent layers
char parentSeparatorChar{'.'};
/// Specify the configuration index to use for arrayed sections
int16_t configIndex{-1};
/// Specify the configuration section that should be used
std::string configSection{};
public:
std::string
to_config(const App * /*app*/, bool default_also, bool write_description, std::string prefix) const override;
std::vector<ConfigItem> from_config(std::istream &input) const override;
/// Specify the configuration for comment characters
ConfigBase *comment(char cchar) {
commentChar = cchar;
return this;
}
/// Specify the start and end characters for an array
ConfigBase *arrayBounds(char aStart, char aEnd) {
arrayStart = aStart;
arrayEnd = aEnd;
return this;
}
/// Specify the delimiter character for an array
ConfigBase *arrayDelimiter(char aSep) {
arraySeparator = aSep;
return this;
}
/// Specify the delimiter between a name and value
ConfigBase *valueSeparator(char vSep) {
valueDelimiter = vSep;
return this;
}
/// Specify the quote characters used around strings and characters
ConfigBase *quoteCharacter(char qString, char qChar) {
stringQuote = qString;
characterQuote = qChar;
return this;
}
/// Specify the maximum number of parents
ConfigBase *maxLayers(uint8_t layers) {
maximumLayers = layers;
return this;
}
/// Specify the separator to use for parent layers
ConfigBase *parentSeparator(char sep) {
parentSeparatorChar = sep;
return this;
}
/// get a reference to the configuration section
std::string &sectionRef() { return configSection; }
/// get the section
CLI11_NODISCARD const std::string &section() const { return configSection; }
/// specify a particular section of the configuration file to use
ConfigBase *section(const std::string &sectionName) {
configSection = sectionName;
return this;
}
/// get a reference to the configuration index
int16_t &indexRef() { return configIndex; }
/// get the section index
CLI11_NODISCARD int16_t index() const { return configIndex; }
/// specify a particular index in the section to use (-1) for all sections to use
ConfigBase *index(int16_t sectionIndex) {
configIndex = sectionIndex;
return this;
}
};
/// the default Config is the TOML file format
using ConfigTOML = ConfigBase;
/// ConfigINI generates a "standard" INI compliant output
class ConfigINI : public ConfigTOML {
public:
ConfigINI() {
commentChar = ';';
arrayStart = '\0';
arrayEnd = '\0';
arraySeparator = ' ';
valueDelimiter = '=';
}
};
// [CLI11:config_fwd_hpp:end]
} // namespace CLI

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
// [CLI11:public_includes:set]
#include <exception>
#include <stdexcept>
#include <string>
#include <utility>
#include <vector>
// [CLI11:public_includes:end]
// CLI library includes
#include "Macros.hpp"
#include "StringTools.hpp"
namespace CLI {
// [CLI11:error_hpp:verbatim]
// Use one of these on all error classes.
// These are temporary and are undef'd at the end of this file.
#define CLI11_ERROR_DEF(parent, name) \
protected: \
name(std::string ename, std::string msg, int exit_code) : parent(std::move(ename), std::move(msg), exit_code) {} \
name(std::string ename, std::string msg, ExitCodes exit_code) \
: parent(std::move(ename), std::move(msg), exit_code) {} \
\
public: \
name(std::string msg, ExitCodes exit_code) : parent(#name, std::move(msg), exit_code) {} \
name(std::string msg, int exit_code) : parent(#name, std::move(msg), exit_code) {}
// This is added after the one above if a class is used directly and builds its own message
#define CLI11_ERROR_SIMPLE(name) \
explicit name(std::string msg) : name(#name, msg, ExitCodes::name) {}
/// These codes are part of every error in CLI. They can be obtained from e using e.exit_code or as a quick shortcut,
/// int values from e.get_error_code().
enum class ExitCodes {
Success = 0,
IncorrectConstruction = 100,
BadNameString,
OptionAlreadyAdded,
FileError,
ConversionError,
ValidationError,
RequiredError,
RequiresError,
ExcludesError,
ExtrasError,
ConfigError,
InvalidError,
HorribleError,
OptionNotFound,
ArgumentMismatch,
BaseClass = 127
};
// Error definitions
/// @defgroup error_group Errors
/// @brief Errors thrown by CLI11
///
/// These are the errors that can be thrown. Some of them, like CLI::Success, are not really errors.
/// @{
/// All errors derive from this one
class Error : public std::runtime_error {
int actual_exit_code;
std::string error_name{"Error"};
public:
CLI11_NODISCARD int get_exit_code() const { return actual_exit_code; }
CLI11_NODISCARD std::string get_name() const { return error_name; }
Error(std::string name, std::string msg, int exit_code = static_cast<int>(ExitCodes::BaseClass))
: runtime_error(msg), actual_exit_code(exit_code), error_name(std::move(name)) {}
Error(std::string name, std::string msg, ExitCodes exit_code) : Error(name, msg, static_cast<int>(exit_code)) {}
};
// Note: Using Error::Error constructors does not work on GCC 4.7
/// Construction errors (not in parsing)
class ConstructionError : public Error {
CLI11_ERROR_DEF(Error, ConstructionError)
};
/// Thrown when an option is set to conflicting values (non-vector and multi args, for example)
class IncorrectConstruction : public ConstructionError {
CLI11_ERROR_DEF(ConstructionError, IncorrectConstruction)
CLI11_ERROR_SIMPLE(IncorrectConstruction)
static IncorrectConstruction PositionalFlag(std::string name) {
return IncorrectConstruction(name + ": Flags cannot be positional");
}
static IncorrectConstruction Set0Opt(std::string name) {
return IncorrectConstruction(name + ": Cannot set 0 expected, use a flag instead");
}
static IncorrectConstruction SetFlag(std::string name) {
return IncorrectConstruction(name + ": Cannot set an expected number for flags");
}
static IncorrectConstruction ChangeNotVector(std::string name) {
return IncorrectConstruction(name + ": You can only change the expected arguments for vectors");
}
static IncorrectConstruction AfterMultiOpt(std::string name) {
return IncorrectConstruction(
name + ": You can't change expected arguments after you've changed the multi option policy!");
}
static IncorrectConstruction MissingOption(std::string name) {
return IncorrectConstruction("Option " + name + " is not defined");
}
static IncorrectConstruction MultiOptionPolicy(std::string name) {
return IncorrectConstruction(name + ": multi_option_policy only works for flags and exact value options");
}
};
/// Thrown on construction of a bad name
class BadNameString : public ConstructionError {
CLI11_ERROR_DEF(ConstructionError, BadNameString)
CLI11_ERROR_SIMPLE(BadNameString)
static BadNameString OneCharName(std::string name) { return BadNameString("Invalid one char name: " + name); }
static BadNameString BadLongName(std::string name) { return BadNameString("Bad long name: " + name); }
static BadNameString DashesOnly(std::string name) {
return BadNameString("Must have a name, not just dashes: " + name);
}
static BadNameString MultiPositionalNames(std::string name) {
return BadNameString("Only one positional name allowed, remove: " + name);
}
};
/// Thrown when an option already exists
class OptionAlreadyAdded : public ConstructionError {
CLI11_ERROR_DEF(ConstructionError, OptionAlreadyAdded)
explicit OptionAlreadyAdded(std::string name)
: OptionAlreadyAdded(name + " is already added", ExitCodes::OptionAlreadyAdded) {}
static OptionAlreadyAdded Requires(std::string name, std::string other) {
return {name + " requires " + other, ExitCodes::OptionAlreadyAdded};
}
static OptionAlreadyAdded Excludes(std::string name, std::string other) {
return {name + " excludes " + other, ExitCodes::OptionAlreadyAdded};
}
};
// Parsing errors
/// Anything that can error in Parse
class ParseError : public Error {
CLI11_ERROR_DEF(Error, ParseError)
};
// Not really "errors"
/// This is a successful completion on parsing, supposed to exit
class Success : public ParseError {
CLI11_ERROR_DEF(ParseError, Success)
Success() : Success("Successfully completed, should be caught and quit", ExitCodes::Success) {}
};
/// -h or --help on command line
class CallForHelp : public Success {
CLI11_ERROR_DEF(Success, CallForHelp)
CallForHelp() : CallForHelp("This should be caught in your main function, see examples", ExitCodes::Success) {}
};
/// Usually something like --help-all on command line
class CallForAllHelp : public Success {
CLI11_ERROR_DEF(Success, CallForAllHelp)
CallForAllHelp()
: CallForAllHelp("This should be caught in your main function, see examples", ExitCodes::Success) {}
};
/// -v or --version on command line
class CallForVersion : public Success {
CLI11_ERROR_DEF(Success, CallForVersion)
CallForVersion()
: CallForVersion("This should be caught in your main function, see examples", ExitCodes::Success) {}
};
/// Does not output a diagnostic in CLI11_PARSE, but allows main() to return with a specific error code.
class RuntimeError : public ParseError {
CLI11_ERROR_DEF(ParseError, RuntimeError)
explicit RuntimeError(int exit_code = 1) : RuntimeError("Runtime error", exit_code) {}
};
/// Thrown when parsing an INI file and it is missing
class FileError : public ParseError {
CLI11_ERROR_DEF(ParseError, FileError)
CLI11_ERROR_SIMPLE(FileError)
static FileError Missing(std::string name) { return FileError(name + " was not readable (missing?)"); }
};
/// Thrown when conversion call back fails, such as when an int fails to coerce to a string
class ConversionError : public ParseError {
CLI11_ERROR_DEF(ParseError, ConversionError)
CLI11_ERROR_SIMPLE(ConversionError)
ConversionError(std::string member, std::string name)
: ConversionError("The value " + member + " is not an allowed value for " + name) {}
ConversionError(std::string name, std::vector<std::string> results)
: ConversionError("Could not convert: " + name + " = " + detail::join(results)) {}
static ConversionError TooManyInputsFlag(std::string name) {
return ConversionError(name + ": too many inputs for a flag");
}
static ConversionError TrueFalse(std::string name) {
return ConversionError(name + ": Should be true/false or a number");
}
};
/// Thrown when validation of results fails
class ValidationError : public ParseError {
CLI11_ERROR_DEF(ParseError, ValidationError)
CLI11_ERROR_SIMPLE(ValidationError)
explicit ValidationError(std::string name, std::string msg) : ValidationError(name + ": " + msg) {}
};
/// Thrown when a required option is missing
class RequiredError : public ParseError {
CLI11_ERROR_DEF(ParseError, RequiredError)
explicit RequiredError(std::string name) : RequiredError(name + " is required", ExitCodes::RequiredError) {}
static RequiredError Subcommand(std::size_t min_subcom) {
if(min_subcom == 1) {
return RequiredError("A subcommand");
}
return {"Requires at least " + std::to_string(min_subcom) + " subcommands", ExitCodes::RequiredError};
}
static RequiredError
Option(std::size_t min_option, std::size_t max_option, std::size_t used, const std::string &option_list) {
if((min_option == 1) && (max_option == 1) && (used == 0))
return RequiredError("Exactly 1 option from [" + option_list + "]");
if((min_option == 1) && (max_option == 1) && (used > 1)) {
return {"Exactly 1 option from [" + option_list + "] is required and " + std::to_string(used) +
" were given",
ExitCodes::RequiredError};
}
if((min_option == 1) && (used == 0))
return RequiredError("At least 1 option from [" + option_list + "]");
if(used < min_option) {
return {"Requires at least " + std::to_string(min_option) + " options used and only " +
std::to_string(used) + "were given from [" + option_list + "]",
ExitCodes::RequiredError};
}
if(max_option == 1)
return {"Requires at most 1 options be given from [" + option_list + "]", ExitCodes::RequiredError};
return {"Requires at most " + std::to_string(max_option) + " options be used and " + std::to_string(used) +
"were given from [" + option_list + "]",
ExitCodes::RequiredError};
}
};
/// Thrown when the wrong number of arguments has been received
class ArgumentMismatch : public ParseError {
CLI11_ERROR_DEF(ParseError, ArgumentMismatch)
CLI11_ERROR_SIMPLE(ArgumentMismatch)
ArgumentMismatch(std::string name, int expected, std::size_t received)
: ArgumentMismatch(expected > 0 ? ("Expected exactly " + std::to_string(expected) + " arguments to " + name +
", got " + std::to_string(received))
: ("Expected at least " + std::to_string(-expected) + " arguments to " + name +
", got " + std::to_string(received)),
ExitCodes::ArgumentMismatch) {}
static ArgumentMismatch AtLeast(std::string name, int num, std::size_t received) {
return ArgumentMismatch(name + ": At least " + std::to_string(num) + " required but received " +
std::to_string(received));
}
static ArgumentMismatch AtMost(std::string name, int num, std::size_t received) {
return ArgumentMismatch(name + ": At Most " + std::to_string(num) + " required but received " +
std::to_string(received));
}
static ArgumentMismatch TypedAtLeast(std::string name, int num, std::string type) {
return ArgumentMismatch(name + ": " + std::to_string(num) + " required " + type + " missing");
}
static ArgumentMismatch FlagOverride(std::string name) {
return ArgumentMismatch(name + " was given a disallowed flag override");
}
static ArgumentMismatch PartialType(std::string name, int num, std::string type) {
return ArgumentMismatch(name + ": " + type + " only partially specified: " + std::to_string(num) +
" required for each element");
}
};
/// Thrown when a requires option is missing
class RequiresError : public ParseError {
CLI11_ERROR_DEF(ParseError, RequiresError)
RequiresError(std::string curname, std::string subname)
: RequiresError(curname + " requires " + subname, ExitCodes::RequiresError) {}
};
/// Thrown when an excludes option is present
class ExcludesError : public ParseError {
CLI11_ERROR_DEF(ParseError, ExcludesError)
ExcludesError(std::string curname, std::string subname)
: ExcludesError(curname + " excludes " + subname, ExitCodes::ExcludesError) {}
};
/// Thrown when too many positionals or options are found
class ExtrasError : public ParseError {
CLI11_ERROR_DEF(ParseError, ExtrasError)
explicit ExtrasError(std::vector<std::string> args)
: ExtrasError((args.size() > 1 ? "The following arguments were not expected: "
: "The following argument was not expected: ") +
detail::rjoin(args, " "),
ExitCodes::ExtrasError) {}
ExtrasError(const std::string &name, std::vector<std::string> args)
: ExtrasError(name,
(args.size() > 1 ? "The following arguments were not expected: "
: "The following argument was not expected: ") +
detail::rjoin(args, " "),
ExitCodes::ExtrasError) {}
};
/// Thrown when extra values are found in an INI file
class ConfigError : public ParseError {
CLI11_ERROR_DEF(ParseError, ConfigError)
CLI11_ERROR_SIMPLE(ConfigError)
static ConfigError Extras(std::string item) { return ConfigError("INI was not able to parse " + item); }
static ConfigError NotConfigurable(std::string item) {
return ConfigError(item + ": This option is not allowed in a configuration file");
}
};
/// Thrown when validation fails before parsing
class InvalidError : public ParseError {
CLI11_ERROR_DEF(ParseError, InvalidError)
explicit InvalidError(std::string name)
: InvalidError(name + ": Too many positional arguments with unlimited expected args", ExitCodes::InvalidError) {
}
};
/// This is just a safety check to verify selection and parsing match - you should not ever see it
/// Strings are directly added to this error, but again, it should never be seen.
class HorribleError : public ParseError {
CLI11_ERROR_DEF(ParseError, HorribleError)
CLI11_ERROR_SIMPLE(HorribleError)
};
// After parsing
/// Thrown when counting a non-existent option
class OptionNotFound : public Error {
CLI11_ERROR_DEF(Error, OptionNotFound)
explicit OptionNotFound(std::string name) : OptionNotFound(name + " not found", ExitCodes::OptionNotFound) {}
};
#undef CLI11_ERROR_DEF
#undef CLI11_ERROR_SIMPLE
/// @}
// [CLI11:error_hpp:end]
} // namespace CLI

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
// [CLI11:public_includes:set]
#include <algorithm>
#include <string>
#include <vector>
// [CLI11:public_includes:end]
#include "App.hpp"
#include "FormatterFwd.hpp"
namespace CLI {
// [CLI11:formatter_hpp:verbatim]
// [CLI11:formatter_hpp:end]
} // namespace CLI
#ifndef CLI11_COMPILE
#include "impl/Formatter_inl.hpp"
#endif

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
// [CLI11:public_includes:set]
#include <functional>
#include <map>
#include <string>
#include <utility>
#include <vector>
// [CLI11:public_includes:end]
#include "StringTools.hpp"
namespace CLI {
// [CLI11:formatter_fwd_hpp:verbatim]
class Option;
class App;
/// This enum signifies the type of help requested
///
/// This is passed in by App; all user classes must accept this as
/// the second argument.
enum class AppFormatMode {
Normal, ///< The normal, detailed help
All, ///< A fully expanded help
Sub, ///< Used when printed as part of expanded subcommand
};
/// This is the minimum requirements to run a formatter.
///
/// A user can subclass this is if they do not care at all
/// about the structure in CLI::Formatter.
class FormatterBase {
protected:
/// @name Options
///@{
/// The width of the first column
std::size_t column_width_{30};
/// @brief The required help printout labels (user changeable)
/// Values are Needs, Excludes, etc.
std::map<std::string, std::string> labels_{};
///@}
/// @name Basic
///@{
public:
FormatterBase() = default;
FormatterBase(const FormatterBase &) = default;
FormatterBase(FormatterBase &&) = default;
/// Adding a destructor in this form to work around bug in GCC 4.7
virtual ~FormatterBase() noexcept {} // NOLINT(modernize-use-equals-default)
/// This is the key method that puts together help
virtual std::string make_help(const App *, std::string, AppFormatMode) const = 0;
///@}
/// @name Setters
///@{
/// Set the "REQUIRED" label
void label(std::string key, std::string val) { labels_[key] = val; }
/// Set the column width
void column_width(std::size_t val) { column_width_ = val; }
///@}
/// @name Getters
///@{
/// Get the current value of a name (REQUIRED, etc.)
CLI11_NODISCARD std::string get_label(std::string key) const {
if(labels_.find(key) == labels_.end())
return key;
return labels_.at(key);
}
/// Get the current column width
CLI11_NODISCARD std::size_t get_column_width() const { return column_width_; }
///@}
};
/// This is a specialty override for lambda functions
class FormatterLambda final : public FormatterBase {
using funct_t = std::function<std::string(const App *, std::string, AppFormatMode)>;
/// The lambda to hold and run
funct_t lambda_;
public:
/// Create a FormatterLambda with a lambda function
explicit FormatterLambda(funct_t funct) : lambda_(std::move(funct)) {}
/// Adding a destructor (mostly to make GCC 4.7 happy)
~FormatterLambda() noexcept override {} // NOLINT(modernize-use-equals-default)
/// This will simply call the lambda function
std::string make_help(const App *app, std::string name, AppFormatMode mode) const override {
return lambda_(app, name, mode);
}
};
/// This is the default Formatter for CLI11. It pretty prints help output, and is broken into quite a few
/// overridable methods, to be highly customizable with minimal effort.
class Formatter : public FormatterBase {
public:
Formatter() = default;
Formatter(const Formatter &) = default;
Formatter(Formatter &&) = default;
/// @name Overridables
///@{
/// This prints out a group of options with title
///
CLI11_NODISCARD virtual std::string
make_group(std::string group, bool is_positional, std::vector<const Option *> opts) const;
/// This prints out just the positionals "group"
virtual std::string make_positionals(const App *app) const;
/// This prints out all the groups of options
std::string make_groups(const App *app, AppFormatMode mode) const;
/// This prints out all the subcommands
virtual std::string make_subcommands(const App *app, AppFormatMode mode) const;
/// This prints out a subcommand
virtual std::string make_subcommand(const App *sub) const;
/// This prints out a subcommand in help-all
virtual std::string make_expanded(const App *sub) const;
/// This prints out all the groups of options
virtual std::string make_footer(const App *app) const;
/// This displays the description line
virtual std::string make_description(const App *app) const;
/// This displays the usage line
virtual std::string make_usage(const App *app, std::string name) const;
/// This puts everything together
std::string make_help(const App * /*app*/, std::string, AppFormatMode) const override;
///@}
/// @name Options
///@{
/// This prints out an option help line, either positional or optional form
virtual std::string make_option(const Option *opt, bool is_positional) const {
std::stringstream out;
detail::format_help(
out, make_option_name(opt, is_positional) + make_option_opts(opt), make_option_desc(opt), column_width_);
return out.str();
}
/// @brief This is the name part of an option, Default: left column
virtual std::string make_option_name(const Option *, bool) const;
/// @brief This is the options part of the name, Default: combined into left column
virtual std::string make_option_opts(const Option *) const;
/// @brief This is the description. Default: Right column, on new line if left column too large
virtual std::string make_option_desc(const Option *) const;
/// @brief This is used to print the name on the USAGE line
virtual std::string make_option_usage(const Option *opt) const;
///@}
};
// [CLI11:formatter_fwd_hpp:end]
} // namespace CLI

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
// [CLI11:macros_hpp:verbatim]
// The following version macro is very similar to the one in pybind11
#if !(defined(_MSC_VER) && __cplusplus == 199711L) && !defined(__INTEL_COMPILER)
#if __cplusplus >= 201402L
#define CLI11_CPP14
#if __cplusplus >= 201703L
#define CLI11_CPP17
#if __cplusplus > 201703L
#define CLI11_CPP20
#endif
#endif
#endif
#elif defined(_MSC_VER) && __cplusplus == 199711L
// MSVC sets _MSVC_LANG rather than __cplusplus (supposedly until the standard is fully implemented)
// Unless you use the /Zc:__cplusplus flag on Visual Studio 2017 15.7 Preview 3 or newer
#if _MSVC_LANG >= 201402L
#define CLI11_CPP14
#if _MSVC_LANG > 201402L && _MSC_VER >= 1910
#define CLI11_CPP17
#if _MSVC_LANG > 201703L && _MSC_VER >= 1910
#define CLI11_CPP20
#endif
#endif
#endif
#endif
#if defined(CLI11_CPP14)
#define CLI11_DEPRECATED(reason) [[deprecated(reason)]]
#elif defined(_MSC_VER)
#define CLI11_DEPRECATED(reason) __declspec(deprecated(reason))
#else
#define CLI11_DEPRECATED(reason) __attribute__((deprecated(reason)))
#endif
// GCC < 10 doesn't ignore this in unevaluated contexts
#if !defined(CLI11_CPP17) || \
(defined(__GNUC__) && !defined(__llvm__) && !defined(__INTEL_COMPILER) && __GNUC__ < 10 && __GNUC__ > 4)
#define CLI11_NODISCARD
#else
#define CLI11_NODISCARD [[nodiscard]]
#endif
/** detection of rtti */
#ifndef CLI11_USE_STATIC_RTTI
#if(defined(_HAS_STATIC_RTTI) && _HAS_STATIC_RTTI)
#define CLI11_USE_STATIC_RTTI 1
#elif defined(__cpp_rtti)
#if(defined(_CPPRTTI) && _CPPRTTI == 0)
#define CLI11_USE_STATIC_RTTI 1
#else
#define CLI11_USE_STATIC_RTTI 0
#endif
#elif(defined(__GCC_RTTI) && __GXX_RTTI)
#define CLI11_USE_STATIC_RTTI 0
#else
#define CLI11_USE_STATIC_RTTI 1
#endif
#endif
/** Inline macro **/
#ifdef CLI11_COMPILE
#define CLI11_INLINE
#else
#define CLI11_INLINE inline
#endif
// [CLI11:macros_hpp:end]

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
// [CLI11:public_includes:set]
#include <algorithm>
#include <functional>
#include <memory>
#include <set>
#include <string>
#include <tuple>
#include <utility>
#include <vector>
// [CLI11:public_includes:end]
#include "Error.hpp"
#include "Macros.hpp"
#include "Split.hpp"
#include "StringTools.hpp"
#include "Validators.hpp"
namespace CLI {
// [CLI11:option_hpp:verbatim]
using results_t = std::vector<std::string>;
/// callback function definition
using callback_t = std::function<bool(const results_t &)>;
class Option;
class App;
using Option_p = std::unique_ptr<Option>;
/// Enumeration of the multiOption Policy selection
enum class MultiOptionPolicy : char {
Throw, //!< Throw an error if any extra arguments were given
TakeLast, //!< take only the last Expected number of arguments
TakeFirst, //!< take only the first Expected number of arguments
Join, //!< merge all the arguments together into a single string via the delimiter character default('\n')
TakeAll, //!< just get all the passed argument regardless
Sum //!< sum all the arguments together if numerical or concatenate directly without delimiter
};
/// This is the CRTP base class for Option and OptionDefaults. It was designed this way
/// to share parts of the class; an OptionDefaults can copy to an Option.
template <typename CRTP> class OptionBase {
friend App;
protected:
/// The group membership
std::string group_ = std::string("Options");
/// True if this is a required option
bool required_{false};
/// Ignore the case when matching (option, not value)
bool ignore_case_{false};
/// Ignore underscores when matching (option, not value)
bool ignore_underscore_{false};
/// Allow this option to be given in a configuration file
bool configurable_{true};
/// Disable overriding flag values with '=value'
bool disable_flag_override_{false};
/// Specify a delimiter character for vector arguments
char delimiter_{'\0'};
/// Automatically capture default value
bool always_capture_default_{false};
/// Policy for handling multiple arguments beyond the expected Max
MultiOptionPolicy multi_option_policy_{MultiOptionPolicy::Throw};
/// Copy the contents to another similar class (one based on OptionBase)
template <typename T> void copy_to(T *other) const;
public:
// setters
/// Changes the group membership
CRTP *group(const std::string &name) {
if(!detail::valid_alias_name_string(name)) {
throw IncorrectConstruction("Group names may not contain newlines or null characters");
}
group_ = name;
return static_cast<CRTP *>(this);
}
/// Set the option as required
CRTP *required(bool value = true) {
required_ = value;
return static_cast<CRTP *>(this);
}
/// Support Plumbum term
CRTP *mandatory(bool value = true) { return required(value); }
CRTP *always_capture_default(bool value = true) {
always_capture_default_ = value;
return static_cast<CRTP *>(this);
}
// Getters
/// Get the group of this option
CLI11_NODISCARD const std::string &get_group() const { return group_; }
/// True if this is a required option
CLI11_NODISCARD bool get_required() const { return required_; }
/// The status of ignore case
CLI11_NODISCARD bool get_ignore_case() const { return ignore_case_; }
/// The status of ignore_underscore
CLI11_NODISCARD bool get_ignore_underscore() const { return ignore_underscore_; }
/// The status of configurable
CLI11_NODISCARD bool get_configurable() const { return configurable_; }
/// The status of configurable
CLI11_NODISCARD bool get_disable_flag_override() const { return disable_flag_override_; }
/// Get the current delimiter char
CLI11_NODISCARD char get_delimiter() const { return delimiter_; }
/// Return true if this will automatically capture the default value for help printing
CLI11_NODISCARD bool get_always_capture_default() const { return always_capture_default_; }
/// The status of the multi option policy
CLI11_NODISCARD MultiOptionPolicy get_multi_option_policy() const { return multi_option_policy_; }
// Shortcuts for multi option policy
/// Set the multi option policy to take last
CRTP *take_last() {
auto *self = static_cast<CRTP *>(this);
self->multi_option_policy(MultiOptionPolicy::TakeLast);
return self;
}
/// Set the multi option policy to take last
CRTP *take_first() {
auto *self = static_cast<CRTP *>(this);
self->multi_option_policy(MultiOptionPolicy::TakeFirst);
return self;
}
/// Set the multi option policy to take all arguments
CRTP *take_all() {
auto self = static_cast<CRTP *>(this);
self->multi_option_policy(MultiOptionPolicy::TakeAll);
return self;
}
/// Set the multi option policy to join
CRTP *join() {
auto *self = static_cast<CRTP *>(this);
self->multi_option_policy(MultiOptionPolicy::Join);
return self;
}
/// Set the multi option policy to join with a specific delimiter
CRTP *join(char delim) {
auto self = static_cast<CRTP *>(this);
self->delimiter_ = delim;
self->multi_option_policy(MultiOptionPolicy::Join);
return self;
}
/// Allow in a configuration file
CRTP *configurable(bool value = true) {
configurable_ = value;
return static_cast<CRTP *>(this);
}
/// Allow in a configuration file
CRTP *delimiter(char value = '\0') {
delimiter_ = value;
return static_cast<CRTP *>(this);
}
};
/// This is a version of OptionBase that only supports setting values,
/// for defaults. It is stored as the default option in an App.
class OptionDefaults : public OptionBase<OptionDefaults> {
public:
OptionDefaults() = default;
// Methods here need a different implementation if they are Option vs. OptionDefault
/// Take the last argument if given multiple times
OptionDefaults *multi_option_policy(MultiOptionPolicy value = MultiOptionPolicy::Throw) {
multi_option_policy_ = value;
return this;
}
/// Ignore the case of the option name
OptionDefaults *ignore_case(bool value = true) {
ignore_case_ = value;
return this;
}
/// Ignore underscores in the option name
OptionDefaults *ignore_underscore(bool value = true) {
ignore_underscore_ = value;
return this;
}
/// Disable overriding flag values with an '=<value>' segment
OptionDefaults *disable_flag_override(bool value = true) {
disable_flag_override_ = value;
return this;
}
/// set a delimiter character to split up single arguments to treat as multiple inputs
OptionDefaults *delimiter(char value = '\0') {
delimiter_ = value;
return this;
}
};
class Option : public OptionBase<Option> {
friend App;
protected:
/// @name Names
///@{
/// A list of the short names (`-a`) without the leading dashes
std::vector<std::string> snames_{};
/// A list of the long names (`--long`) without the leading dashes
std::vector<std::string> lnames_{};
/// A list of the flag names with the appropriate default value, the first part of the pair should be duplicates of
/// what is in snames or lnames but will trigger a particular response on a flag
std::vector<std::pair<std::string, std::string>> default_flag_values_{};
/// a list of flag names with specified default values;
std::vector<std::string> fnames_{};
/// A positional name
std::string pname_{};
/// If given, check the environment for this option
std::string envname_{};
///@}
/// @name Help
///@{
/// The description for help strings
std::string description_{};
/// A human readable default value, either manually set, captured, or captured by default
std::string default_str_{};
/// If given, replace the text that describes the option type and usage in the help text
std::string option_text_{};
/// A human readable type value, set when App creates this
///
/// This is a lambda function so "types" can be dynamic, such as when a set prints its contents.
std::function<std::string()> type_name_{[]() { return std::string(); }};
/// Run this function to capture a default (ignore if empty)
std::function<std::string()> default_function_{};
///@}
/// @name Configuration
///@{
/// The number of arguments that make up one option. max is the nominal type size, min is the minimum number of
/// strings
int type_size_max_{1};
/// The minimum number of arguments an option should be expecting
int type_size_min_{1};
/// The minimum number of expected values
int expected_min_{1};
/// The maximum number of expected values
int expected_max_{1};
/// A list of Validators to run on each value parsed
std::vector<Validator> validators_{};
/// A list of options that are required with this option
std::set<Option *> needs_{};
/// A list of options that are excluded with this option
std::set<Option *> excludes_{};
///@}
/// @name Other
///@{
/// link back up to the parent App for fallthrough
App *parent_{nullptr};
/// Options store a callback to do all the work
callback_t callback_{};
///@}
/// @name Parsing results
///@{
/// complete Results of parsing
results_t results_{};
/// results after reduction
results_t proc_results_{};
/// enumeration for the option state machine
enum class option_state : char {
parsing = 0, //!< The option is currently collecting parsed results
validated = 2, //!< the results have been validated
reduced = 4, //!< a subset of results has been generated
callback_run = 6, //!< the callback has been executed
};
/// Whether the callback has run (needed for INI parsing)
option_state current_option_state_{option_state::parsing};
/// Specify that extra args beyond type_size_max should be allowed
bool allow_extra_args_{false};
/// Specify that the option should act like a flag vs regular option
bool flag_like_{false};
/// Control option to run the callback to set the default
bool run_callback_for_default_{false};
/// flag indicating a separator needs to be injected after each argument call
bool inject_separator_{false};
/// flag indicating that the option should trigger the validation and callback chain on each result when loaded
bool trigger_on_result_{false};
/// flag indicating that the option should force the callback regardless if any results present
bool force_callback_{false};
///@}
/// Making an option by hand is not defined, it must be made by the App class
Option(std::string option_name, std::string option_description, callback_t callback, App *parent)
: description_(std::move(option_description)), parent_(parent), callback_(std::move(callback)) {
std::tie(snames_, lnames_, pname_) = detail::get_names(detail::split_names(option_name));
}
public:
/// @name Basic
///@{
Option(const Option &) = delete;
Option &operator=(const Option &) = delete;
/// Count the total number of times an option was passed
CLI11_NODISCARD std::size_t count() const { return results_.size(); }
/// True if the option was not passed
CLI11_NODISCARD bool empty() const { return results_.empty(); }
/// This bool operator returns true if any arguments were passed or the option callback is forced
explicit operator bool() const { return !empty() || force_callback_; }
/// Clear the parsed results (mostly for testing)
void clear() {
results_.clear();
current_option_state_ = option_state::parsing;
}
///@}
/// @name Setting options
///@{
/// Set the number of expected arguments
Option *expected(int value);
/// Set the range of expected arguments
Option *expected(int value_min, int value_max);
/// Set the value of allow_extra_args which allows extra value arguments on the flag or option to be included
/// with each instance
Option *allow_extra_args(bool value = true) {
allow_extra_args_ = value;
return this;
}
/// Get the current value of allow extra args
CLI11_NODISCARD bool get_allow_extra_args() const { return allow_extra_args_; }
/// Set the value of trigger_on_parse which specifies that the option callback should be triggered on every parse
Option *trigger_on_parse(bool value = true) {
trigger_on_result_ = value;
return this;
}
/// The status of trigger on parse
CLI11_NODISCARD bool get_trigger_on_parse() const { return trigger_on_result_; }
/// Set the value of force_callback
Option *force_callback(bool value = true) {
force_callback_ = value;
return this;
}
/// The status of force_callback
CLI11_NODISCARD bool get_force_callback() const { return force_callback_; }
/// Set the value of run_callback_for_default which controls whether the callback function should be called to set
/// the default This is controlled automatically but could be manipulated by the user.
Option *run_callback_for_default(bool value = true) {
run_callback_for_default_ = value;
return this;
}
/// Get the current value of run_callback_for_default
CLI11_NODISCARD bool get_run_callback_for_default() const { return run_callback_for_default_; }
/// Adds a Validator with a built in type name
Option *check(Validator validator, const std::string &validator_name = "");
/// Adds a Validator. Takes a const string& and returns an error message (empty if conversion/check is okay).
Option *check(std::function<std::string(const std::string &)> Validator,
std::string Validator_description = "",
std::string Validator_name = "");
/// Adds a transforming Validator with a built in type name
Option *transform(Validator Validator, const std::string &Validator_name = "");
/// Adds a Validator-like function that can change result
Option *transform(const std::function<std::string(std::string)> &func,
std::string transform_description = "",
std::string transform_name = "");
/// Adds a user supplied function to run on each item passed in (communicate though lambda capture)
Option *each(const std::function<void(std::string)> &func);
/// Get a named Validator
Validator *get_validator(const std::string &Validator_name = "");
/// Get a Validator by index NOTE: this may not be the order of definition
Validator *get_validator(int index);
/// Sets required options
Option *needs(Option *opt) {
if(opt != this) {
needs_.insert(opt);
}
return this;
}
/// Can find a string if needed
template <typename T = App> Option *needs(std::string opt_name) {
auto opt = static_cast<T *>(parent_)->get_option_no_throw(opt_name);
if(opt == nullptr) {
throw IncorrectConstruction::MissingOption(opt_name);
}
return needs(opt);
}
/// Any number supported, any mix of string and Opt
template <typename A, typename B, typename... ARG> Option *needs(A opt, B opt1, ARG... args) {
needs(opt);
return needs(opt1, args...); // NOLINT(readability-suspicious-call-argument)
}
/// Remove needs link from an option. Returns true if the option really was in the needs list.
bool remove_needs(Option *opt);
/// Sets excluded options
Option *excludes(Option *opt);
/// Can find a string if needed
template <typename T = App> Option *excludes(std::string opt_name) {
auto opt = static_cast<T *>(parent_)->get_option_no_throw(opt_name);
if(opt == nullptr) {
throw IncorrectConstruction::MissingOption(opt_name);
}
return excludes(opt);
}
/// Any number supported, any mix of string and Opt
template <typename A, typename B, typename... ARG> Option *excludes(A opt, B opt1, ARG... args) {
excludes(opt);
return excludes(opt1, args...);
}
/// Remove needs link from an option. Returns true if the option really was in the needs list.
bool remove_excludes(Option *opt);
/// Sets environment variable to read if no option given
Option *envname(std::string name) {
envname_ = std::move(name);
return this;
}
/// Ignore case
///
/// The template hides the fact that we don't have the definition of App yet.
/// You are never expected to add an argument to the template here.
template <typename T = App> Option *ignore_case(bool value = true);
/// Ignore underscores in the option names
///
/// The template hides the fact that we don't have the definition of App yet.
/// You are never expected to add an argument to the template here.
template <typename T = App> Option *ignore_underscore(bool value = true);
/// Take the last argument if given multiple times (or another policy)
Option *multi_option_policy(MultiOptionPolicy value = MultiOptionPolicy::Throw);
/// Disable flag overrides values, e.g. --flag=<value> is not allowed
Option *disable_flag_override(bool value = true) {
disable_flag_override_ = value;
return this;
}
///@}
/// @name Accessors
///@{
/// The number of arguments the option expects
CLI11_NODISCARD int get_type_size() const { return type_size_min_; }
/// The minimum number of arguments the option expects
CLI11_NODISCARD int get_type_size_min() const { return type_size_min_; }
/// The maximum number of arguments the option expects
CLI11_NODISCARD int get_type_size_max() const { return type_size_max_; }
/// Return the inject_separator flag
CLI11_NODISCARD bool get_inject_separator() const { return inject_separator_; }
/// The environment variable associated to this value
CLI11_NODISCARD std::string get_envname() const { return envname_; }
/// The set of options needed
CLI11_NODISCARD std::set<Option *> get_needs() const { return needs_; }
/// The set of options excluded
CLI11_NODISCARD std::set<Option *> get_excludes() const { return excludes_; }
/// The default value (for help printing)
CLI11_NODISCARD std::string get_default_str() const { return default_str_; }
/// Get the callback function
CLI11_NODISCARD callback_t get_callback() const { return callback_; }
/// Get the long names
CLI11_NODISCARD const std::vector<std::string> &get_lnames() const { return lnames_; }
/// Get the short names
CLI11_NODISCARD const std::vector<std::string> &get_snames() const { return snames_; }
/// Get the flag names with specified default values
CLI11_NODISCARD const std::vector<std::string> &get_fnames() const { return fnames_; }
/// Get a single name for the option, first of lname, pname, sname, envname
CLI11_NODISCARD const std::string &get_single_name() const {
if(!lnames_.empty()) {
return lnames_[0];
}
if(!pname_.empty()) {
return pname_;
}
if(!snames_.empty()) {
return snames_[0];
}
return envname_;
}
/// The number of times the option expects to be included
CLI11_NODISCARD int get_expected() const { return expected_min_; }
/// The number of times the option expects to be included
CLI11_NODISCARD int get_expected_min() const { return expected_min_; }
/// The max number of times the option expects to be included
CLI11_NODISCARD int get_expected_max() const { return expected_max_; }
/// The total min number of expected string values to be used
CLI11_NODISCARD int get_items_expected_min() const { return type_size_min_ * expected_min_; }
/// Get the maximum number of items expected to be returned and used for the callback
CLI11_NODISCARD int get_items_expected_max() const {
int t = type_size_max_;
return detail::checked_multiply(t, expected_max_) ? t : detail::expected_max_vector_size;
}
/// The total min number of expected string values to be used
CLI11_NODISCARD int get_items_expected() const { return get_items_expected_min(); }
/// True if the argument can be given directly
CLI11_NODISCARD bool get_positional() const { return pname_.length() > 0; }
/// True if option has at least one non-positional name
CLI11_NODISCARD bool nonpositional() const { return (snames_.size() + lnames_.size()) > 0; }
/// True if option has description
CLI11_NODISCARD bool has_description() const { return description_.length() > 0; }
/// Get the description
CLI11_NODISCARD const std::string &get_description() const { return description_; }
/// Set the description
Option *description(std::string option_description) {
description_ = std::move(option_description);
return this;
}
Option *option_text(std::string text) {
option_text_ = std::move(text);
return this;
}
CLI11_NODISCARD const std::string &get_option_text() const { return option_text_; }
///@}
/// @name Help tools
///@{
/// \brief Gets a comma separated list of names.
/// Will include / prefer the positional name if positional is true.
/// If all_options is false, pick just the most descriptive name to show.
/// Use `get_name(true)` to get the positional name (replaces `get_pname`)
CLI11_NODISCARD std::string get_name(bool positional = false, ///< Show the positional name
bool all_options = false ///< Show every option
) const;
///@}
/// @name Parser tools
///@{
/// Process the callback
void run_callback();
/// If options share any of the same names, find it
CLI11_NODISCARD const std::string &matching_name(const Option &other) const;
/// If options share any of the same names, they are equal (not counting positional)
bool operator==(const Option &other) const { return !matching_name(other).empty(); }
/// Check a name. Requires "-" or "--" for short / long, supports positional name
CLI11_NODISCARD bool check_name(const std::string &name) const;
/// Requires "-" to be removed from string
CLI11_NODISCARD bool check_sname(std::string name) const {
return (detail::find_member(std::move(name), snames_, ignore_case_) >= 0);
}
/// Requires "--" to be removed from string
CLI11_NODISCARD bool check_lname(std::string name) const {
return (detail::find_member(std::move(name), lnames_, ignore_case_, ignore_underscore_) >= 0);
}
/// Requires "--" to be removed from string
CLI11_NODISCARD bool check_fname(std::string name) const {
if(fnames_.empty()) {
return false;
}
return (detail::find_member(std::move(name), fnames_, ignore_case_, ignore_underscore_) >= 0);
}
/// Get the value that goes for a flag, nominally gets the default value but allows for overrides if not
/// disabled
CLI11_NODISCARD std::string get_flag_value(const std::string &name, std::string input_value) const;
/// Puts a result at the end
Option *add_result(std::string s);
/// Puts a result at the end and get a count of the number of arguments actually added
Option *add_result(std::string s, int &results_added);
/// Puts a result at the end
Option *add_result(std::vector<std::string> s);
/// Get the current complete results set
CLI11_NODISCARD const results_t &results() const { return results_; }
/// Get a copy of the results
CLI11_NODISCARD results_t reduced_results() const;
/// Get the results as a specified type
template <typename T> void results(T &output) const {
bool retval = false;
if(current_option_state_ >= option_state::reduced || (results_.size() == 1 && validators_.empty())) {
const results_t &res = (proc_results_.empty()) ? results_ : proc_results_;
retval = detail::lexical_conversion<T, T>(res, output);
} else {
results_t res;
if(results_.empty()) {
if(!default_str_.empty()) {
// _add_results takes an rvalue only
_add_result(std::string(default_str_), res);
_validate_results(res);
results_t extra;
_reduce_results(extra, res);
if(!extra.empty()) {
res = std::move(extra);
}
} else {
res.emplace_back();
}
} else {
res = reduced_results();
}
retval = detail::lexical_conversion<T, T>(res, output);
}
if(!retval) {
throw ConversionError(get_name(), results_);
}
}
/// Return the results as the specified type
template <typename T> CLI11_NODISCARD T as() const {
T output;
results(output);
return output;
}
/// See if the callback has been run already
CLI11_NODISCARD bool get_callback_run() const { return (current_option_state_ == option_state::callback_run); }
///@}
/// @name Custom options
///@{
/// Set the type function to run when displayed on this option
Option *type_name_fn(std::function<std::string()> typefun) {
type_name_ = std::move(typefun);
return this;
}
/// Set a custom option typestring
Option *type_name(std::string typeval) {
type_name_fn([typeval]() { return typeval; });
return this;
}
/// Set a custom option size
Option *type_size(int option_type_size);
/// Set a custom option type size range
Option *type_size(int option_type_size_min, int option_type_size_max);
/// Set the value of the separator injection flag
void inject_separator(bool value = true) { inject_separator_ = value; }
/// Set a capture function for the default. Mostly used by App.
Option *default_function(const std::function<std::string()> &func) {
default_function_ = func;
return this;
}
/// Capture the default value from the original value (if it can be captured)
Option *capture_default_str() {
if(default_function_) {
default_str_ = default_function_();
}
return this;
}
/// Set the default value string representation (does not change the contained value)
Option *default_str(std::string val) {
default_str_ = std::move(val);
return this;
}
/// Set the default value and validate the results and run the callback if appropriate to set the value into the
/// bound value only available for types that can be converted to a string
template <typename X> Option *default_val(const X &val) {
std::string val_str = detail::to_string(val);
auto old_option_state = current_option_state_;
results_t old_results{std::move(results_)};
results_.clear();
try {
add_result(val_str);
// if trigger_on_result_ is set the callback already ran
if(run_callback_for_default_ && !trigger_on_result_) {
run_callback(); // run callback sets the state, we need to reset it again
current_option_state_ = option_state::parsing;
} else {
_validate_results(results_);
current_option_state_ = old_option_state;
}
} catch(const CLI::Error &) {
// this should be done
results_ = std::move(old_results);
current_option_state_ = old_option_state;
throw;
}
results_ = std::move(old_results);
default_str_ = std::move(val_str);
return this;
}
/// Get the full typename for this option
CLI11_NODISCARD std::string get_type_name() const;
private:
/// Run the results through the Validators
void _validate_results(results_t &res) const;
/** reduce the results in accordance with the MultiOptionPolicy
@param[out] out results are assigned to res if there if they are different
*/
void _reduce_results(results_t &out, const results_t &original) const;
// Run a result through the Validators
std::string _validate(std::string &result, int index) const;
/// Add a single result to the result set, taking into account delimiters
int _add_result(std::string &&result, std::vector<std::string> &res) const;
};
// [CLI11:option_hpp:end]
} // namespace CLI
#ifndef CLI11_COMPILE
#include "impl/Option_inl.hpp"
#endif

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
// [CLI11:public_includes:set]
#include <string>
#include <tuple>
#include <utility>
#include <vector>
// [CLI11:public_includes:end]
#include "Macros.hpp"
namespace CLI {
// [CLI11:split_hpp:verbatim]
namespace detail {
// Returns false if not a short option. Otherwise, sets opt name and rest and returns true
CLI11_INLINE bool split_short(const std::string &current, std::string &name, std::string &rest);
// Returns false if not a long option. Otherwise, sets opt name and other side of = and returns true
CLI11_INLINE bool split_long(const std::string &current, std::string &name, std::string &value);
// Returns false if not a windows style option. Otherwise, sets opt name and value and returns true
CLI11_INLINE bool split_windows_style(const std::string &current, std::string &name, std::string &value);
// Splits a string into multiple long and short names
CLI11_INLINE std::vector<std::string> split_names(std::string current);
/// extract default flag values either {def} or starting with a !
CLI11_INLINE std::vector<std::pair<std::string, std::string>> get_default_flag_values(const std::string &str);
/// Get a vector of short names, one of long names, and a single name
CLI11_INLINE std::tuple<std::vector<std::string>, std::vector<std::string>, std::string>
get_names(const std::vector<std::string> &input);
} // namespace detail
// [CLI11:split_hpp:end]
} // namespace CLI
#ifndef CLI11_COMPILE
#include "impl/Split_inl.hpp"
#endif

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
// [CLI11:public_includes:set]
#include <algorithm>
#include <iomanip>
#include <locale>
#include <sstream>
#include <stdexcept>
#include <string>
#include <type_traits>
#include <vector>
// [CLI11:public_includes:end]
#include "Macros.hpp"
namespace CLI {
// [CLI11:string_tools_hpp:verbatim]
/// Include the items in this namespace to get free conversion of enums to/from streams.
/// (This is available inside CLI as well, so CLI11 will use this without a using statement).
namespace enums {
/// output streaming for enumerations
template <typename T, typename = typename std::enable_if<std::is_enum<T>::value>::type>
std::ostream &operator<<(std::ostream &in, const T &item) {
// make sure this is out of the detail namespace otherwise it won't be found when needed
return in << static_cast<typename std::underlying_type<T>::type>(item);
}
} // namespace enums
/// Export to CLI namespace
using enums::operator<<;
namespace detail {
/// a constant defining an expected max vector size defined to be a big number that could be multiplied by 4 and not
/// produce overflow for some expected uses
constexpr int expected_max_vector_size{1 << 29};
// Based on http://stackoverflow.com/questions/236129/split-a-string-in-c
/// Split a string by a delim
CLI11_INLINE std::vector<std::string> split(const std::string &s, char delim);
/// Simple function to join a string
template <typename T> std::string join(const T &v, std::string delim = ",") {
std::ostringstream s;
auto beg = std::begin(v);
auto end = std::end(v);
if(beg != end)
s << *beg++;
while(beg != end) {
s << delim << *beg++;
}
return s.str();
}
/// Simple function to join a string from processed elements
template <typename T,
typename Callable,
typename = typename std::enable_if<!std::is_constructible<std::string, Callable>::value>::type>
std::string join(const T &v, Callable func, std::string delim = ",") {
std::ostringstream s;
auto beg = std::begin(v);
auto end = std::end(v);
auto loc = s.tellp();
while(beg != end) {
auto nloc = s.tellp();
if(nloc > loc) {
s << delim;
loc = nloc;
}
s << func(*beg++);
}
return s.str();
}
/// Join a string in reverse order
template <typename T> std::string rjoin(const T &v, std::string delim = ",") {
std::ostringstream s;
for(std::size_t start = 0; start < v.size(); start++) {
if(start > 0)
s << delim;
s << v[v.size() - start - 1];
}
return s.str();
}
// Based roughly on http://stackoverflow.com/questions/25829143/c-trim-whitespace-from-a-string
/// Trim whitespace from left of string
CLI11_INLINE std::string &ltrim(std::string &str);
/// Trim anything from left of string
CLI11_INLINE std::string &ltrim(std::string &str, const std::string &filter);
/// Trim whitespace from right of string
CLI11_INLINE std::string &rtrim(std::string &str);
/// Trim anything from right of string
CLI11_INLINE std::string &rtrim(std::string &str, const std::string &filter);
/// Trim whitespace from string
inline std::string &trim(std::string &str) { return ltrim(rtrim(str)); }
/// Trim anything from string
inline std::string &trim(std::string &str, const std::string filter) { return ltrim(rtrim(str, filter), filter); }
/// Make a copy of the string and then trim it
inline std::string trim_copy(const std::string &str) {
std::string s = str;
return trim(s);
}
/// remove quotes at the front and back of a string either '"' or '\''
CLI11_INLINE std::string &remove_quotes(std::string &str);
/// Add a leader to the beginning of all new lines (nothing is added
/// at the start of the first line). `"; "` would be for ini files
///
/// Can't use Regex, or this would be a subs.
CLI11_INLINE std::string fix_newlines(const std::string &leader, std::string input);
/// Make a copy of the string and then trim it, any filter string can be used (any char in string is filtered)
inline std::string trim_copy(const std::string &str, const std::string &filter) {
std::string s = str;
return trim(s, filter);
}
/// Print a two part "help" string
CLI11_INLINE std::ostream &
format_help(std::ostream &out, std::string name, const std::string &description, std::size_t wid);
/// Print subcommand aliases
CLI11_INLINE std::ostream &format_aliases(std::ostream &out, const std::vector<std::string> &aliases, std::size_t wid);
/// Verify the first character of an option
/// - is a trigger character, ! has special meaning and new lines would just be annoying to deal with
template <typename T> bool valid_first_char(T c) { return ((c != '-') && (c != '!') && (c != ' ') && c != '\n'); }
/// Verify following characters of an option
template <typename T> bool valid_later_char(T c) {
// = and : are value separators, { has special meaning for option defaults,
// and \n would just be annoying to deal with in many places allowing space here has too much potential for
// inadvertent entry errors and bugs
return ((c != '=') && (c != ':') && (c != '{') && (c != ' ') && c != '\n');
}
/// Verify an option/subcommand name
CLI11_INLINE bool valid_name_string(const std::string &str);
/// Verify an app name
inline bool valid_alias_name_string(const std::string &str) {
static const std::string badChars(std::string("\n") + '\0');
return (str.find_first_of(badChars) == std::string::npos);
}
/// check if a string is a container segment separator (empty or "%%")
inline bool is_separator(const std::string &str) {
static const std::string sep("%%");
return (str.empty() || str == sep);
}
/// Verify that str consists of letters only
inline bool isalpha(const std::string &str) {
return std::all_of(str.begin(), str.end(), [](char c) { return std::isalpha(c, std::locale()); });
}
/// Return a lower case version of a string
inline std::string to_lower(std::string str) {
std::transform(std::begin(str), std::end(str), std::begin(str), [](const std::string::value_type &x) {
return std::tolower(x, std::locale());
});
return str;
}
/// remove underscores from a string
inline std::string remove_underscore(std::string str) {
str.erase(std::remove(std::begin(str), std::end(str), '_'), std::end(str));
return str;
}
/// Find and replace a substring with another substring
CLI11_INLINE std::string find_and_replace(std::string str, std::string from, std::string to);
/// check if the flag definitions has possible false flags
inline bool has_default_flag_values(const std::string &flags) {
return (flags.find_first_of("{!") != std::string::npos);
}
CLI11_INLINE void remove_default_flag_values(std::string &flags);
/// Check if a string is a member of a list of strings and optionally ignore case or ignore underscores
CLI11_INLINE std::ptrdiff_t find_member(std::string name,
const std::vector<std::string> names,
bool ignore_case = false,
bool ignore_underscore = false);
/// Find a trigger string and call a modify callable function that takes the current string and starting position of the
/// trigger and returns the position in the string to search for the next trigger string
template <typename Callable> inline std::string find_and_modify(std::string str, std::string trigger, Callable modify) {
std::size_t start_pos = 0;
while((start_pos = str.find(trigger, start_pos)) != std::string::npos) {
start_pos = modify(str, start_pos);
}
return str;
}
/// Split a string '"one two" "three"' into 'one two', 'three'
/// Quote characters can be ` ' or "
CLI11_INLINE std::vector<std::string> split_up(std::string str, char delimiter = '\0');
/// This function detects an equal or colon followed by an escaped quote after an argument
/// then modifies the string to replace the equality with a space. This is needed
/// to allow the split up function to work properly and is intended to be used with the find_and_modify function
/// the return value is the offset+1 which is required by the find_and_modify function.
CLI11_INLINE std::size_t escape_detect(std::string &str, std::size_t offset);
/// Add quotes if the string contains spaces
CLI11_INLINE std::string &add_quotes_if_needed(std::string &str);
} // namespace detail
// [CLI11:string_tools_hpp:end]
} // namespace CLI
#ifndef CLI11_COMPILE
#include "impl/StringTools_inl.hpp"
#endif

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
// On GCC < 4.8, the following define is often missing. Due to the
// fact that this library only uses sleep_for, this should be safe
#if defined(__GNUC__) && !defined(__clang__) && __GNUC__ < 5 && __GNUC_MINOR__ < 8
#define _GLIBCXX_USE_NANOSLEEP
#endif
#include <cmath>
#include <array>
#include <chrono>
#include <functional>
#include <iostream>
#include <string>
#include <utility>
namespace CLI {
/// This is a simple timer with pretty printing. Creating the timer starts counting.
class Timer {
protected:
/// This is a typedef to make clocks easier to use
using clock = std::chrono::steady_clock;
/// This typedef is for points in time
using time_point = std::chrono::time_point<clock>;
/// This is the type of a printing function, you can make your own
using time_print_t = std::function<std::string(std::string, std::string)>;
/// This is the title of the timer
std::string title_;
/// This is the function that is used to format most of the timing message
time_print_t time_print_;
/// This is the starting point (when the timer was created)
time_point start_;
/// This is the number of times cycles (print divides by this number)
std::size_t cycles{1};
public:
/// Standard print function, this one is set by default
static std::string Simple(std::string title, std::string time) { return title + ": " + time; }
/// This is a fancy print function with --- headers
static std::string Big(std::string title, std::string time) {
return std::string("-----------------------------------------\n") + "| " + title + " | Time = " + time + "\n" +
"-----------------------------------------";
}
public:
/// Standard constructor, can set title and print function
explicit Timer(std::string title = "Timer", time_print_t time_print = Simple)
: title_(std::move(title)), time_print_(std::move(time_print)), start_(clock::now()) {}
/// Time a function by running it multiple times. Target time is the len to target.
std::string time_it(std::function<void()> f, double target_time = 1) {
time_point start = start_;
double total_time = NAN;
start_ = clock::now();
std::size_t n = 0;
do {
f();
std::chrono::duration<double> elapsed = clock::now() - start_;
total_time = elapsed.count();
} while(n++ < 100u && total_time < target_time);
std::string out = make_time_str(total_time / static_cast<double>(n)) + " for " + std::to_string(n) + " tries";
start_ = start;
return out;
}
/// This formats the numerical value for the time string
std::string make_time_str() const { // NOLINT(modernize-use-nodiscard)
time_point stop = clock::now();
std::chrono::duration<double> elapsed = stop - start_;
double time = elapsed.count() / static_cast<double>(cycles);
return make_time_str(time);
}
// LCOV_EXCL_START
/// This prints out a time string from a time
std::string make_time_str(double time) const { // NOLINT(modernize-use-nodiscard)
auto print_it = [](double x, std::string unit) {
const unsigned int buffer_length = 50;
std::array<char, buffer_length> buffer;
std::snprintf(buffer.data(), buffer_length, "%.5g", x);
return buffer.data() + std::string(" ") + unit;
};
if(time < .000001)
return print_it(time * 1000000000, "ns");
if(time < .001)
return print_it(time * 1000000, "us");
if(time < 1)
return print_it(time * 1000, "ms");
return print_it(time, "s");
}
// LCOV_EXCL_STOP
/// This is the main function, it creates a string
std::string to_string() const { return time_print_(title_, make_time_str()); } // NOLINT(modernize-use-nodiscard)
/// Division sets the number of cycles to divide by (no graphical change)
Timer &operator/(std::size_t val) {
cycles = val;
return *this;
}
};
/// This class prints out the time upon destruction
class AutoTimer : public Timer {
public:
/// Reimplementing the constructor is required in GCC 4.7
explicit AutoTimer(std::string title = "Timer", time_print_t time_print = Simple) : Timer(title, time_print) {}
// GCC 4.7 does not support using inheriting constructors.
/// This destructor prints the string
~AutoTimer() { std::cout << to_string() << std::endl; }
};
} // namespace CLI
/// This prints out the time if shifted into a std::cout like stream.
inline std::ostream &operator<<(std::ostream &in, const CLI::Timer &timer) { return in << timer.to_string(); }

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
#include "Error.hpp"
#include "Macros.hpp"
#include "StringTools.hpp"
#include "TypeTools.hpp"
// [CLI11:public_includes:set]
#include <cmath>
#include <cstdint>
#include <functional>
#include <iostream>
#include <limits>
#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>
// [CLI11:public_includes:end]
// [CLI11:validators_hpp_filesystem:verbatim]
// C standard library
// Only needed for existence checking
#if defined CLI11_CPP17 && defined __has_include && !defined CLI11_HAS_FILESYSTEM
#if __has_include(<filesystem>)
// Filesystem cannot be used if targeting macOS < 10.15
#if defined __MAC_OS_X_VERSION_MIN_REQUIRED && __MAC_OS_X_VERSION_MIN_REQUIRED < 101500
#define CLI11_HAS_FILESYSTEM 0
#elif defined(__wasi__)
// As of wasi-sdk-14, filesystem is not implemented
#define CLI11_HAS_FILESYSTEM 0
#else
#include <filesystem>
#if defined __cpp_lib_filesystem && __cpp_lib_filesystem >= 201703
#if defined _GLIBCXX_RELEASE && _GLIBCXX_RELEASE >= 9
#define CLI11_HAS_FILESYSTEM 1
#elif defined(__GLIBCXX__)
// if we are using gcc and Version <9 default to no filesystem
#define CLI11_HAS_FILESYSTEM 0
#else
#define CLI11_HAS_FILESYSTEM 1
#endif
#else
#define CLI11_HAS_FILESYSTEM 0
#endif
#endif
#endif
#endif
#if defined CLI11_HAS_FILESYSTEM && CLI11_HAS_FILESYSTEM > 0
#include <filesystem> // NOLINT(build/include)
#else
#include <sys/stat.h>
#include <sys/types.h>
#endif
// [CLI11:validators_hpp_filesystem:end]
namespace CLI {
// [CLI11:validators_hpp:verbatim]
class Option;
/// @defgroup validator_group Validators
/// @brief Some validators that are provided
///
/// These are simple `std::string(const std::string&)` validators that are useful. They return
/// a string if the validation fails. A custom struct is provided, as well, with the same user
/// semantics, but with the ability to provide a new type name.
/// @{
///
class Validator {
protected:
/// This is the description function, if empty the description_ will be used
std::function<std::string()> desc_function_{[]() { return std::string{}; }};
/// This is the base function that is to be called.
/// Returns a string error message if validation fails.
std::function<std::string(std::string &)> func_{[](std::string &) { return std::string{}; }};
/// The name for search purposes of the Validator
std::string name_{};
/// A Validator will only apply to an indexed value (-1 is all elements)
int application_index_ = -1;
/// Enable for Validator to allow it to be disabled if need be
bool active_{true};
/// specify that a validator should not modify the input
bool non_modifying_{false};
Validator(std::string validator_desc, std::function<std::string(std::string &)> func)
: desc_function_([validator_desc]() { return validator_desc; }), func_(std::move(func)) {}
public:
Validator() = default;
/// Construct a Validator with just the description string
explicit Validator(std::string validator_desc) : desc_function_([validator_desc]() { return validator_desc; }) {}
/// Construct Validator from basic information
Validator(std::function<std::string(std::string &)> op, std::string validator_desc, std::string validator_name = "")
: desc_function_([validator_desc]() { return validator_desc; }), func_(std::move(op)),
name_(std::move(validator_name)) {}
/// Set the Validator operation function
Validator &operation(std::function<std::string(std::string &)> op) {
func_ = std::move(op);
return *this;
}
/// This is the required operator for a Validator - provided to help
/// users (CLI11 uses the member `func` directly)
std::string operator()(std::string &str) const;
/// This is the required operator for a Validator - provided to help
/// users (CLI11 uses the member `func` directly)
std::string operator()(const std::string &str) const {
std::string value = str;
return (active_) ? func_(value) : std::string{};
}
/// Specify the type string
Validator &description(std::string validator_desc) {
desc_function_ = [validator_desc]() { return validator_desc; };
return *this;
}
/// Specify the type string
CLI11_NODISCARD Validator description(std::string validator_desc) const;
/// Generate type description information for the Validator
CLI11_NODISCARD std::string get_description() const {
if(active_) {
return desc_function_();
}
return std::string{};
}
/// Specify the type string
Validator &name(std::string validator_name) {
name_ = std::move(validator_name);
return *this;
}
/// Specify the type string
CLI11_NODISCARD Validator name(std::string validator_name) const {
Validator newval(*this);
newval.name_ = std::move(validator_name);
return newval;
}
/// Get the name of the Validator
CLI11_NODISCARD const std::string &get_name() const { return name_; }
/// Specify whether the Validator is active or not
Validator &active(bool active_val = true) {
active_ = active_val;
return *this;
}
/// Specify whether the Validator is active or not
CLI11_NODISCARD Validator active(bool active_val = true) const {
Validator newval(*this);
newval.active_ = active_val;
return newval;
}
/// Specify whether the Validator can be modifying or not
Validator &non_modifying(bool no_modify = true) {
non_modifying_ = no_modify;
return *this;
}
/// Specify the application index of a validator
Validator &application_index(int app_index) {
application_index_ = app_index;
return *this;
}
/// Specify the application index of a validator
CLI11_NODISCARD Validator application_index(int app_index) const {
Validator newval(*this);
newval.application_index_ = app_index;
return newval;
}
/// Get the current value of the application index
CLI11_NODISCARD int get_application_index() const { return application_index_; }
/// Get a boolean if the validator is active
CLI11_NODISCARD bool get_active() const { return active_; }
/// Get a boolean if the validator is allowed to modify the input returns true if it can modify the input
CLI11_NODISCARD bool get_modifying() const { return !non_modifying_; }
/// Combining validators is a new validator. Type comes from left validator if function, otherwise only set if the
/// same.
Validator operator&(const Validator &other) const;
/// Combining validators is a new validator. Type comes from left validator if function, otherwise only set if the
/// same.
Validator operator|(const Validator &other) const;
/// Create a validator that fails when a given validator succeeds
Validator operator!() const;
private:
void _merge_description(const Validator &val1, const Validator &val2, const std::string &merger);
};
/// Class wrapping some of the accessors of Validator
class CustomValidator : public Validator {
public:
};
// The implementation of the built in validators is using the Validator class;
// the user is only expected to use the const (static) versions (since there's no setup).
// Therefore, this is in detail.
namespace detail {
/// CLI enumeration of different file types
enum class path_type { nonexistent, file, directory };
/// get the type of the path from a file name
CLI11_INLINE path_type check_path(const char *file) noexcept;
/// Check for an existing file (returns error message if check fails)
class ExistingFileValidator : public Validator {
public:
ExistingFileValidator();
};
/// Check for an existing directory (returns error message if check fails)
class ExistingDirectoryValidator : public Validator {
public:
ExistingDirectoryValidator();
};
/// Check for an existing path
class ExistingPathValidator : public Validator {
public:
ExistingPathValidator();
};
/// Check for an non-existing path
class NonexistentPathValidator : public Validator {
public:
NonexistentPathValidator();
};
/// Validate the given string is a legal ipv4 address
class IPV4Validator : public Validator {
public:
IPV4Validator();
};
} // namespace detail
// Static is not needed here, because global const implies static.
/// Check for existing file (returns error message if check fails)
const detail::ExistingFileValidator ExistingFile;
/// Check for an existing directory (returns error message if check fails)
const detail::ExistingDirectoryValidator ExistingDirectory;
/// Check for an existing path
const detail::ExistingPathValidator ExistingPath;
/// Check for an non-existing path
const detail::NonexistentPathValidator NonexistentPath;
/// Check for an IP4 address
const detail::IPV4Validator ValidIPV4;
/// Validate the input as a particular type
template <typename DesiredType> class TypeValidator : public Validator {
public:
explicit TypeValidator(const std::string &validator_name)
: Validator(validator_name, [](std::string &input_string) {
auto val = DesiredType();
if(!detail::lexical_cast(input_string, val)) {
return std::string("Failed parsing ") + input_string + " as a " + detail::type_name<DesiredType>();
}
return std::string();
}) {}
TypeValidator() : TypeValidator(detail::type_name<DesiredType>()) {}
};
/// Check for a number
const TypeValidator<double> Number("NUMBER");
/// Modify a path if the file is a particular default location, can be used as Check or transform
/// with the error return optionally disabled
class FileOnDefaultPath : public Validator {
public:
explicit FileOnDefaultPath(std::string default_path, bool enableErrorReturn = true);
};
/// Produce a range (factory). Min and max are inclusive.
class Range : public Validator {
public:
/// This produces a range with min and max inclusive.
///
/// Note that the constructor is templated, but the struct is not, so C++17 is not
/// needed to provide nice syntax for Range(a,b).
template <typename T>
Range(T min_val, T max_val, const std::string &validator_name = std::string{}) : Validator(validator_name) {
if(validator_name.empty()) {
std::stringstream out;
out << detail::type_name<T>() << " in [" << min_val << " - " << max_val << "]";
description(out.str());
}
func_ = [min_val, max_val](std::string &input) {
T val;
bool converted = detail::lexical_cast(input, val);
if((!converted) || (val < min_val || val > max_val)) {
std::stringstream out;
out << "Value " << input << " not in range [";
out << min_val << " - " << max_val << "]";
return out.str();
}
return std::string{};
};
}
/// Range of one value is 0 to value
template <typename T>
explicit Range(T max_val, const std::string &validator_name = std::string{})
: Range(static_cast<T>(0), max_val, validator_name) {}
};
/// Check for a non negative number
const Range NonNegativeNumber((std::numeric_limits<double>::max)(), "NONNEGATIVE");
/// Check for a positive valued number (val>0.0), <double>::min here is the smallest positive number
const Range PositiveNumber((std::numeric_limits<double>::min)(), (std::numeric_limits<double>::max)(), "POSITIVE");
/// Produce a bounded range (factory). Min and max are inclusive.
class Bound : public Validator {
public:
/// This bounds a value with min and max inclusive.
///
/// Note that the constructor is templated, but the struct is not, so C++17 is not
/// needed to provide nice syntax for Range(a,b).
template <typename T> Bound(T min_val, T max_val) {
std::stringstream out;
out << detail::type_name<T>() << " bounded to [" << min_val << " - " << max_val << "]";
description(out.str());
func_ = [min_val, max_val](std::string &input) {
T val;
bool converted = detail::lexical_cast(input, val);
if(!converted) {
return std::string("Value ") + input + " could not be converted";
}
if(val < min_val)
input = detail::to_string(min_val);
else if(val > max_val)
input = detail::to_string(max_val);
return std::string{};
};
}
/// Range of one value is 0 to value
template <typename T> explicit Bound(T max_val) : Bound(static_cast<T>(0), max_val) {}
};
namespace detail {
template <typename T,
enable_if_t<is_copyable_ptr<typename std::remove_reference<T>::type>::value, detail::enabler> = detail::dummy>
auto smart_deref(T value) -> decltype(*value) {
return *value;
}
template <
typename T,
enable_if_t<!is_copyable_ptr<typename std::remove_reference<T>::type>::value, detail::enabler> = detail::dummy>
typename std::remove_reference<T>::type &smart_deref(T &value) {
return value;
}
/// Generate a string representation of a set
template <typename T> std::string generate_set(const T &set) {
using element_t = typename detail::element_type<T>::type;
using iteration_type_t = typename detail::pair_adaptor<element_t>::value_type; // the type of the object pair
std::string out(1, '{');
out.append(detail::join(
detail::smart_deref(set),
[](const iteration_type_t &v) { return detail::pair_adaptor<element_t>::first(v); },
","));
out.push_back('}');
return out;
}
/// Generate a string representation of a map
template <typename T> std::string generate_map(const T &map, bool key_only = false) {
using element_t = typename detail::element_type<T>::type;
using iteration_type_t = typename detail::pair_adaptor<element_t>::value_type; // the type of the object pair
std::string out(1, '{');
out.append(detail::join(
detail::smart_deref(map),
[key_only](const iteration_type_t &v) {
std::string res{detail::to_string(detail::pair_adaptor<element_t>::first(v))};
if(!key_only) {
res.append("->");
res += detail::to_string(detail::pair_adaptor<element_t>::second(v));
}
return res;
},
","));
out.push_back('}');
return out;
}
template <typename C, typename V> struct has_find {
template <typename CC, typename VV>
static auto test(int) -> decltype(std::declval<CC>().find(std::declval<VV>()), std::true_type());
template <typename, typename> static auto test(...) -> decltype(std::false_type());
static const auto value = decltype(test<C, V>(0))::value;
using type = std::integral_constant<bool, value>;
};
/// A search function
template <typename T, typename V, enable_if_t<!has_find<T, V>::value, detail::enabler> = detail::dummy>
auto search(const T &set, const V &val) -> std::pair<bool, decltype(std::begin(detail::smart_deref(set)))> {
using element_t = typename detail::element_type<T>::type;
auto &setref = detail::smart_deref(set);
auto it = std::find_if(std::begin(setref), std::end(setref), [&val](decltype(*std::begin(setref)) v) {
return (detail::pair_adaptor<element_t>::first(v) == val);
});
return {(it != std::end(setref)), it};
}
/// A search function that uses the built in find function
template <typename T, typename V, enable_if_t<has_find<T, V>::value, detail::enabler> = detail::dummy>
auto search(const T &set, const V &val) -> std::pair<bool, decltype(std::begin(detail::smart_deref(set)))> {
auto &setref = detail::smart_deref(set);
auto it = setref.find(val);
return {(it != std::end(setref)), it};
}
/// A search function with a filter function
template <typename T, typename V>
auto search(const T &set, const V &val, const std::function<V(V)> &filter_function)
-> std::pair<bool, decltype(std::begin(detail::smart_deref(set)))> {
using element_t = typename detail::element_type<T>::type;
// do the potentially faster first search
auto res = search(set, val);
if((res.first) || (!(filter_function))) {
return res;
}
// if we haven't found it do the longer linear search with all the element translations
auto &setref = detail::smart_deref(set);
auto it = std::find_if(std::begin(setref), std::end(setref), [&](decltype(*std::begin(setref)) v) {
V a{detail::pair_adaptor<element_t>::first(v)};
a = filter_function(a);
return (a == val);
});
return {(it != std::end(setref)), it};
}
// the following suggestion was made by Nikita Ofitserov(@himikof)
// done in templates to prevent compiler warnings on negation of unsigned numbers
/// Do a check for overflow on signed numbers
template <typename T>
inline typename std::enable_if<std::is_signed<T>::value, T>::type overflowCheck(const T &a, const T &b) {
if((a > 0) == (b > 0)) {
return ((std::numeric_limits<T>::max)() / (std::abs)(a) < (std::abs)(b));
}
return ((std::numeric_limits<T>::min)() / (std::abs)(a) > -(std::abs)(b));
}
/// Do a check for overflow on unsigned numbers
template <typename T>
inline typename std::enable_if<!std::is_signed<T>::value, T>::type overflowCheck(const T &a, const T &b) {
return ((std::numeric_limits<T>::max)() / a < b);
}
/// Performs a *= b; if it doesn't cause integer overflow. Returns false otherwise.
template <typename T> typename std::enable_if<std::is_integral<T>::value, bool>::type checked_multiply(T &a, T b) {
if(a == 0 || b == 0 || a == 1 || b == 1) {
a *= b;
return true;
}
if(a == (std::numeric_limits<T>::min)() || b == (std::numeric_limits<T>::min)()) {
return false;
}
if(overflowCheck(a, b)) {
return false;
}
a *= b;
return true;
}
/// Performs a *= b; if it doesn't equal infinity. Returns false otherwise.
template <typename T>
typename std::enable_if<std::is_floating_point<T>::value, bool>::type checked_multiply(T &a, T b) {
T c = a * b;
if(std::isinf(c) && !std::isinf(a) && !std::isinf(b)) {
return false;
}
a = c;
return true;
}
} // namespace detail
/// Verify items are in a set
class IsMember : public Validator {
public:
using filter_fn_t = std::function<std::string(std::string)>;
/// This allows in-place construction using an initializer list
template <typename T, typename... Args>
IsMember(std::initializer_list<T> values, Args &&...args)
: IsMember(std::vector<T>(values), std::forward<Args>(args)...) {}
/// This checks to see if an item is in a set (empty function)
template <typename T> explicit IsMember(T &&set) : IsMember(std::forward<T>(set), nullptr) {}
/// This checks to see if an item is in a set: pointer or copy version. You can pass in a function that will filter
/// both sides of the comparison before computing the comparison.
template <typename T, typename F> explicit IsMember(T set, F filter_function) {
// Get the type of the contained item - requires a container have ::value_type
// if the type does not have first_type and second_type, these are both value_type
using element_t = typename detail::element_type<T>::type; // Removes (smart) pointers if needed
using item_t = typename detail::pair_adaptor<element_t>::first_type; // Is value_type if not a map
using local_item_t = typename IsMemberType<item_t>::type; // This will convert bad types to good ones
// (const char * to std::string)
// Make a local copy of the filter function, using a std::function if not one already
std::function<local_item_t(local_item_t)> filter_fn = filter_function;
// This is the type name for help, it will take the current version of the set contents
desc_function_ = [set]() { return detail::generate_set(detail::smart_deref(set)); };
// This is the function that validates
// It stores a copy of the set pointer-like, so shared_ptr will stay alive
func_ = [set, filter_fn](std::string &input) {
local_item_t b;
if(!detail::lexical_cast(input, b)) {
throw ValidationError(input); // name is added later
}
if(filter_fn) {
b = filter_fn(b);
}
auto res = detail::search(set, b, filter_fn);
if(res.first) {
// Make sure the version in the input string is identical to the one in the set
if(filter_fn) {
input = detail::value_string(detail::pair_adaptor<element_t>::first(*(res.second)));
}
// Return empty error string (success)
return std::string{};
}
// If you reach this point, the result was not found
return input + " not in " + detail::generate_set(detail::smart_deref(set));
};
}
/// You can pass in as many filter functions as you like, they nest (string only currently)
template <typename T, typename... Args>
IsMember(T &&set, filter_fn_t filter_fn_1, filter_fn_t filter_fn_2, Args &&...other)
: IsMember(
std::forward<T>(set),
[filter_fn_1, filter_fn_2](std::string a) { return filter_fn_2(filter_fn_1(a)); },
other...) {}
};
/// definition of the default transformation object
template <typename T> using TransformPairs = std::vector<std::pair<std::string, T>>;
/// Translate named items to other or a value set
class Transformer : public Validator {
public:
using filter_fn_t = std::function<std::string(std::string)>;
/// This allows in-place construction
template <typename... Args>
Transformer(std::initializer_list<std::pair<std::string, std::string>> values, Args &&...args)
: Transformer(TransformPairs<std::string>(values), std::forward<Args>(args)...) {}
/// direct map of std::string to std::string
template <typename T> explicit Transformer(T &&mapping) : Transformer(std::forward<T>(mapping), nullptr) {}
/// This checks to see if an item is in a set: pointer or copy version. You can pass in a function that will filter
/// both sides of the comparison before computing the comparison.
template <typename T, typename F> explicit Transformer(T mapping, F filter_function) {
static_assert(detail::pair_adaptor<typename detail::element_type<T>::type>::value,
"mapping must produce value pairs");
// Get the type of the contained item - requires a container have ::value_type
// if the type does not have first_type and second_type, these are both value_type
using element_t = typename detail::element_type<T>::type; // Removes (smart) pointers if needed
using item_t = typename detail::pair_adaptor<element_t>::first_type; // Is value_type if not a map
using local_item_t = typename IsMemberType<item_t>::type; // Will convert bad types to good ones
// (const char * to std::string)
// Make a local copy of the filter function, using a std::function if not one already
std::function<local_item_t(local_item_t)> filter_fn = filter_function;
// This is the type name for help, it will take the current version of the set contents
desc_function_ = [mapping]() { return detail::generate_map(detail::smart_deref(mapping)); };
func_ = [mapping, filter_fn](std::string &input) {
local_item_t b;
if(!detail::lexical_cast(input, b)) {
return std::string();
// there is no possible way we can match anything in the mapping if we can't convert so just return
}
if(filter_fn) {
b = filter_fn(b);
}
auto res = detail::search(mapping, b, filter_fn);
if(res.first) {
input = detail::value_string(detail::pair_adaptor<element_t>::second(*res.second));
}
return std::string{};
};
}
/// You can pass in as many filter functions as you like, they nest
template <typename T, typename... Args>
Transformer(T &&mapping, filter_fn_t filter_fn_1, filter_fn_t filter_fn_2, Args &&...other)
: Transformer(
std::forward<T>(mapping),
[filter_fn_1, filter_fn_2](std::string a) { return filter_fn_2(filter_fn_1(a)); },
other...) {}
};
/// translate named items to other or a value set
class CheckedTransformer : public Validator {
public:
using filter_fn_t = std::function<std::string(std::string)>;
/// This allows in-place construction
template <typename... Args>
CheckedTransformer(std::initializer_list<std::pair<std::string, std::string>> values, Args &&...args)
: CheckedTransformer(TransformPairs<std::string>(values), std::forward<Args>(args)...) {}
/// direct map of std::string to std::string
template <typename T> explicit CheckedTransformer(T mapping) : CheckedTransformer(std::move(mapping), nullptr) {}
/// This checks to see if an item is in a set: pointer or copy version. You can pass in a function that will filter
/// both sides of the comparison before computing the comparison.
template <typename T, typename F> explicit CheckedTransformer(T mapping, F filter_function) {
static_assert(detail::pair_adaptor<typename detail::element_type<T>::type>::value,
"mapping must produce value pairs");
// Get the type of the contained item - requires a container have ::value_type
// if the type does not have first_type and second_type, these are both value_type
using element_t = typename detail::element_type<T>::type; // Removes (smart) pointers if needed
using item_t = typename detail::pair_adaptor<element_t>::first_type; // Is value_type if not a map
using local_item_t = typename IsMemberType<item_t>::type; // Will convert bad types to good ones
// (const char * to std::string)
using iteration_type_t = typename detail::pair_adaptor<element_t>::value_type; // the type of the object pair
// Make a local copy of the filter function, using a std::function if not one already
std::function<local_item_t(local_item_t)> filter_fn = filter_function;
auto tfunc = [mapping]() {
std::string out("value in ");
out += detail::generate_map(detail::smart_deref(mapping)) + " OR {";
out += detail::join(
detail::smart_deref(mapping),
[](const iteration_type_t &v) { return detail::to_string(detail::pair_adaptor<element_t>::second(v)); },
",");
out.push_back('}');
return out;
};
desc_function_ = tfunc;
func_ = [mapping, tfunc, filter_fn](std::string &input) {
local_item_t b;
bool converted = detail::lexical_cast(input, b);
if(converted) {
if(filter_fn) {
b = filter_fn(b);
}
auto res = detail::search(mapping, b, filter_fn);
if(res.first) {
input = detail::value_string(detail::pair_adaptor<element_t>::second(*res.second));
return std::string{};
}
}
for(const auto &v : detail::smart_deref(mapping)) {
auto output_string = detail::value_string(detail::pair_adaptor<element_t>::second(v));
if(output_string == input) {
return std::string();
}
}
return "Check " + input + " " + tfunc() + " FAILED";
};
}
/// You can pass in as many filter functions as you like, they nest
template <typename T, typename... Args>
CheckedTransformer(T &&mapping, filter_fn_t filter_fn_1, filter_fn_t filter_fn_2, Args &&...other)
: CheckedTransformer(
std::forward<T>(mapping),
[filter_fn_1, filter_fn_2](std::string a) { return filter_fn_2(filter_fn_1(a)); },
other...) {}
};
/// Helper function to allow ignore_case to be passed to IsMember or Transform
inline std::string ignore_case(std::string item) { return detail::to_lower(item); }
/// Helper function to allow ignore_underscore to be passed to IsMember or Transform
inline std::string ignore_underscore(std::string item) { return detail::remove_underscore(item); }
/// Helper function to allow checks to ignore spaces to be passed to IsMember or Transform
inline std::string ignore_space(std::string item) {
item.erase(std::remove(std::begin(item), std::end(item), ' '), std::end(item));
item.erase(std::remove(std::begin(item), std::end(item), '\t'), std::end(item));
return item;
}
/// Multiply a number by a factor using given mapping.
/// Can be used to write transforms for SIZE or DURATION inputs.
///
/// Example:
/// With mapping = `{"b"->1, "kb"->1024, "mb"->1024*1024}`
/// one can recognize inputs like "100", "12kb", "100 MB",
/// that will be automatically transformed to 100, 14448, 104857600.
///
/// Output number type matches the type in the provided mapping.
/// Therefore, if it is required to interpret real inputs like "0.42 s",
/// the mapping should be of a type <string, float> or <string, double>.
class AsNumberWithUnit : public Validator {
public:
/// Adjust AsNumberWithUnit behavior.
/// CASE_SENSITIVE/CASE_INSENSITIVE controls how units are matched.
/// UNIT_OPTIONAL/UNIT_REQUIRED throws ValidationError
/// if UNIT_REQUIRED is set and unit literal is not found.
enum Options {
CASE_SENSITIVE = 0,
CASE_INSENSITIVE = 1,
UNIT_OPTIONAL = 0,
UNIT_REQUIRED = 2,
DEFAULT = CASE_INSENSITIVE | UNIT_OPTIONAL
};
template <typename Number>
explicit AsNumberWithUnit(std::map<std::string, Number> mapping,
Options opts = DEFAULT,
const std::string &unit_name = "UNIT") {
description(generate_description<Number>(unit_name, opts));
validate_mapping(mapping, opts);
// transform function
func_ = [mapping, opts](std::string &input) -> std::string {
Number num;
detail::rtrim(input);
if(input.empty()) {
throw ValidationError("Input is empty");
}
// Find split position between number and prefix
auto unit_begin = input.end();
while(unit_begin > input.begin() && std::isalpha(*(unit_begin - 1), std::locale())) {
--unit_begin;
}
std::string unit{unit_begin, input.end()};
input.resize(static_cast<std::size_t>(std::distance(input.begin(), unit_begin)));
detail::trim(input);
if(opts & UNIT_REQUIRED && unit.empty()) {
throw ValidationError("Missing mandatory unit");
}
if(opts & CASE_INSENSITIVE) {
unit = detail::to_lower(unit);
}
if(unit.empty()) {
if(!detail::lexical_cast(input, num)) {
throw ValidationError(std::string("Value ") + input + " could not be converted to " +
detail::type_name<Number>());
}
// No need to modify input if no unit passed
return {};
}
// find corresponding factor
auto it = mapping.find(unit);
if(it == mapping.end()) {
throw ValidationError(unit +
" unit not recognized. "
"Allowed values: " +
detail::generate_map(mapping, true));
}
if(!input.empty()) {
bool converted = detail::lexical_cast(input, num);
if(!converted) {
throw ValidationError(std::string("Value ") + input + " could not be converted to " +
detail::type_name<Number>());
}
// perform safe multiplication
bool ok = detail::checked_multiply(num, it->second);
if(!ok) {
throw ValidationError(detail::to_string(num) + " multiplied by " + unit +
" factor would cause number overflow. Use smaller value.");
}
} else {
num = static_cast<Number>(it->second);
}
input = detail::to_string(num);
return {};
};
}
private:
/// Check that mapping contains valid units.
/// Update mapping for CASE_INSENSITIVE mode.
template <typename Number> static void validate_mapping(std::map<std::string, Number> &mapping, Options opts) {
for(auto &kv : mapping) {
if(kv.first.empty()) {
throw ValidationError("Unit must not be empty.");
}
if(!detail::isalpha(kv.first)) {
throw ValidationError("Unit must contain only letters.");
}
}
// make all units lowercase if CASE_INSENSITIVE
if(opts & CASE_INSENSITIVE) {
std::map<std::string, Number> lower_mapping;
for(auto &kv : mapping) {
auto s = detail::to_lower(kv.first);
if(lower_mapping.count(s)) {
throw ValidationError(std::string("Several matching lowercase unit representations are found: ") +
s);
}
lower_mapping[detail::to_lower(kv.first)] = kv.second;
}
mapping = std::move(lower_mapping);
}
}
/// Generate description like this: NUMBER [UNIT]
template <typename Number> static std::string generate_description(const std::string &name, Options opts) {
std::stringstream out;
out << detail::type_name<Number>() << ' ';
if(opts & UNIT_REQUIRED) {
out << name;
} else {
out << '[' << name << ']';
}
return out.str();
}
};
inline AsNumberWithUnit::Options operator|(const AsNumberWithUnit::Options &a, const AsNumberWithUnit::Options &b) {
return static_cast<AsNumberWithUnit::Options>(static_cast<int>(a) | static_cast<int>(b));
}
/// Converts a human-readable size string (with unit literal) to uin64_t size.
/// Example:
/// "100" => 100
/// "1 b" => 100
/// "10Kb" => 10240 // you can configure this to be interpreted as kilobyte (*1000) or kibibyte (*1024)
/// "10 KB" => 10240
/// "10 kb" => 10240
/// "10 kib" => 10240 // *i, *ib are always interpreted as *bibyte (*1024)
/// "10kb" => 10240
/// "2 MB" => 2097152
/// "2 EiB" => 2^61 // Units up to exibyte are supported
class AsSizeValue : public AsNumberWithUnit {
public:
using result_t = std::uint64_t;
/// If kb_is_1000 is true,
/// interpret 'kb', 'k' as 1000 and 'kib', 'ki' as 1024
/// (same applies to higher order units as well).
/// Otherwise, interpret all literals as factors of 1024.
/// The first option is formally correct, but
/// the second interpretation is more wide-spread
/// (see https://en.wikipedia.org/wiki/Binary_prefix).
explicit AsSizeValue(bool kb_is_1000);
private:
/// Get <size unit, factor> mapping
static std::map<std::string, result_t> init_mapping(bool kb_is_1000);
/// Cache calculated mapping
static std::map<std::string, result_t> get_mapping(bool kb_is_1000);
};
namespace detail {
/// Split a string into a program name and command line arguments
/// the string is assumed to contain a file name followed by other arguments
/// the return value contains is a pair with the first argument containing the program name and the second
/// everything else.
CLI11_INLINE std::pair<std::string, std::string> split_program_name(std::string commandline);
} // namespace detail
/// @}
// [CLI11:validators_hpp:end]
} // namespace CLI
#ifndef CLI11_COMPILE
#include "impl/Validators_inl.hpp"
#endif

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
// [CLI11:version_hpp:verbatim]
#define CLI11_VERSION_MAJOR 2
#define CLI11_VERSION_MINOR 2
#define CLI11_VERSION_PATCH 0
#define CLI11_VERSION "2.2.0"
// [CLI11:version_hpp:end]

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
// This include is only needed for IDEs to discover symbols
#include <CLI/Config.hpp>
// [CLI11:public_includes:set]
#include <algorithm>
#include <string>
#include <utility>
#include <vector>
// [CLI11:public_includes:end]
namespace CLI {
// [CLI11:config_inl_hpp:verbatim]
namespace detail {
CLI11_INLINE std::string convert_arg_for_ini(const std::string &arg, char stringQuote, char characterQuote) {
if(arg.empty()) {
return std::string(2, stringQuote);
}
// some specifically supported strings
if(arg == "true" || arg == "false" || arg == "nan" || arg == "inf") {
return arg;
}
// floating point conversion can convert some hex codes, but don't try that here
if(arg.compare(0, 2, "0x") != 0 && arg.compare(0, 2, "0X") != 0) {
double val = 0.0;
if(detail::lexical_cast(arg, val)) {
return arg;
}
}
// just quote a single non numeric character
if(arg.size() == 1) {
return std::string(1, characterQuote) + arg + characterQuote;
}
// handle hex, binary or octal arguments
if(arg.front() == '0') {
if(arg[1] == 'x') {
if(std::all_of(arg.begin() + 2, arg.end(), [](char x) {
return (x >= '0' && x <= '9') || (x >= 'A' && x <= 'F') || (x >= 'a' && x <= 'f');
})) {
return arg;
}
} else if(arg[1] == 'o') {
if(std::all_of(arg.begin() + 2, arg.end(), [](char x) { return (x >= '0' && x <= '7'); })) {
return arg;
}
} else if(arg[1] == 'b') {
if(std::all_of(arg.begin() + 2, arg.end(), [](char x) { return (x == '0' || x == '1'); })) {
return arg;
}
}
}
if(arg.find_first_of(stringQuote) == std::string::npos) {
return std::string(1, stringQuote) + arg + stringQuote;
}
return characterQuote + arg + characterQuote;
}
CLI11_INLINE std::string ini_join(const std::vector<std::string> &args,
char sepChar,
char arrayStart,
char arrayEnd,
char stringQuote,
char characterQuote) {
std::string joined;
if(args.size() > 1 && arrayStart != '\0') {
joined.push_back(arrayStart);
}
std::size_t start = 0;
for(const auto &arg : args) {
if(start++ > 0) {
joined.push_back(sepChar);
if(!std::isspace<char>(sepChar, std::locale())) {
joined.push_back(' ');
}
}
joined.append(convert_arg_for_ini(arg, stringQuote, characterQuote));
}
if(args.size() > 1 && arrayEnd != '\0') {
joined.push_back(arrayEnd);
}
return joined;
}
CLI11_INLINE std::vector<std::string>
generate_parents(const std::string &section, std::string &name, char parentSeparator) {
std::vector<std::string> parents;
if(detail::to_lower(section) != "default") {
if(section.find(parentSeparator) != std::string::npos) {
parents = detail::split(section, parentSeparator);
} else {
parents = {section};
}
}
if(name.find(parentSeparator) != std::string::npos) {
std::vector<std::string> plist = detail::split(name, parentSeparator);
name = plist.back();
detail::remove_quotes(name);
plist.pop_back();
parents.insert(parents.end(), plist.begin(), plist.end());
}
// clean up quotes on the parents
for(auto &parent : parents) {
detail::remove_quotes(parent);
}
return parents;
}
CLI11_INLINE void
checkParentSegments(std::vector<ConfigItem> &output, const std::string &currentSection, char parentSeparator) {
std::string estring;
auto parents = detail::generate_parents(currentSection, estring, parentSeparator);
if(!output.empty() && output.back().name == "--") {
std::size_t msize = (parents.size() > 1U) ? parents.size() : 2;
while(output.back().parents.size() >= msize) {
output.push_back(output.back());
output.back().parents.pop_back();
}
if(parents.size() > 1) {
std::size_t common = 0;
std::size_t mpair = (std::min)(output.back().parents.size(), parents.size() - 1);
for(std::size_t ii = 0; ii < mpair; ++ii) {
if(output.back().parents[ii] != parents[ii]) {
break;
}
++common;
}
if(common == mpair) {
output.pop_back();
} else {
while(output.back().parents.size() > common + 1) {
output.push_back(output.back());
output.back().parents.pop_back();
}
}
for(std::size_t ii = common; ii < parents.size() - 1; ++ii) {
output.emplace_back();
output.back().parents.assign(parents.begin(), parents.begin() + static_cast<std::ptrdiff_t>(ii) + 1);
output.back().name = "++";
}
}
} else if(parents.size() > 1) {
for(std::size_t ii = 0; ii < parents.size() - 1; ++ii) {
output.emplace_back();
output.back().parents.assign(parents.begin(), parents.begin() + static_cast<std::ptrdiff_t>(ii) + 1);
output.back().name = "++";
}
}
// insert a section end which is just an empty items_buffer
output.emplace_back();
output.back().parents = std::move(parents);
output.back().name = "++";
}
} // namespace detail
inline std::vector<ConfigItem> ConfigBase::from_config(std::istream &input) const {
std::string line;
std::string currentSection = "default";
std::string previousSection = "default";
std::vector<ConfigItem> output;
bool isDefaultArray = (arrayStart == '[' && arrayEnd == ']' && arraySeparator == ',');
bool isINIArray = (arrayStart == '\0' || arrayStart == ' ') && arrayStart == arrayEnd;
bool inSection{false};
char aStart = (isINIArray) ? '[' : arrayStart;
char aEnd = (isINIArray) ? ']' : arrayEnd;
char aSep = (isINIArray && arraySeparator == ' ') ? ',' : arraySeparator;
int currentSectionIndex{0};
while(getline(input, line)) {
std::vector<std::string> items_buffer;
std::string name;
detail::trim(line);
std::size_t len = line.length();
// lines have to be at least 3 characters to have any meaning to CLI just skip the rest
if(len < 3) {
continue;
}
if(line.front() == '[' && line.back() == ']') {
if(currentSection != "default") {
// insert a section end which is just an empty items_buffer
output.emplace_back();
output.back().parents = detail::generate_parents(currentSection, name, parentSeparatorChar);
output.back().name = "--";
}
currentSection = line.substr(1, len - 2);
// deal with double brackets for TOML
if(currentSection.size() > 1 && currentSection.front() == '[' && currentSection.back() == ']') {
currentSection = currentSection.substr(1, currentSection.size() - 2);
}
if(detail::to_lower(currentSection) == "default") {
currentSection = "default";
} else {
detail::checkParentSegments(output, currentSection, parentSeparatorChar);
}
inSection = false;
if(currentSection == previousSection) {
++currentSectionIndex;
} else {
currentSectionIndex = 0;
previousSection = currentSection;
}
continue;
}
// comment lines
if(line.front() == ';' || line.front() == '#' || line.front() == commentChar) {
continue;
}
// Find = in string, split and recombine
auto pos = line.find(valueDelimiter);
if(pos != std::string::npos) {
name = detail::trim_copy(line.substr(0, pos));
std::string item = detail::trim_copy(line.substr(pos + 1));
auto cloc = item.find(commentChar);
if(cloc != std::string::npos) {
item.erase(cloc, std::string::npos); // NOLINT(readability-suspicious-call-argument)
detail::trim(item);
}
if(item.size() > 1 && item.front() == aStart) {
for(std::string multiline; item.back() != aEnd && std::getline(input, multiline);) {
detail::trim(multiline);
item += multiline;
}
items_buffer = detail::split_up(item.substr(1, item.length() - 2), aSep);
} else if((isDefaultArray || isINIArray) && item.find_first_of(aSep) != std::string::npos) {
items_buffer = detail::split_up(item, aSep);
} else if((isDefaultArray || isINIArray) && item.find_first_of(' ') != std::string::npos) {
items_buffer = detail::split_up(item);
} else {
items_buffer = {item};
}
} else {
name = detail::trim_copy(line);
auto cloc = name.find(commentChar);
if(cloc != std::string::npos) {
name.erase(cloc, std::string::npos); // NOLINT(readability-suspicious-call-argument)
detail::trim(name);
}
items_buffer = {"true"};
}
if(name.find(parentSeparatorChar) == std::string::npos) {
detail::remove_quotes(name);
}
// clean up quotes on the items
for(auto &it : items_buffer) {
detail::remove_quotes(it);
}
std::vector<std::string> parents = detail::generate_parents(currentSection, name, parentSeparatorChar);
if(parents.size() > maximumLayers) {
continue;
}
if(!configSection.empty() && !inSection) {
if(parents.empty() || parents.front() != configSection) {
continue;
}
if(configIndex >= 0 && currentSectionIndex != configIndex) {
continue;
}
parents.erase(parents.begin());
inSection = true;
}
if(!output.empty() && name == output.back().name && parents == output.back().parents) {
output.back().inputs.insert(output.back().inputs.end(), items_buffer.begin(), items_buffer.end());
} else {
output.emplace_back();
output.back().parents = std::move(parents);
output.back().name = std::move(name);
output.back().inputs = std::move(items_buffer);
}
}
if(currentSection != "default") {
// insert a section end which is just an empty items_buffer
std::string ename;
output.emplace_back();
output.back().parents = detail::generate_parents(currentSection, ename, parentSeparatorChar);
output.back().name = "--";
while(output.back().parents.size() > 1) {
output.push_back(output.back());
output.back().parents.pop_back();
}
}
return output;
}
CLI11_INLINE std::string
ConfigBase::to_config(const App *app, bool default_also, bool write_description, std::string prefix) const {
std::stringstream out;
std::string commentLead;
commentLead.push_back(commentChar);
commentLead.push_back(' ');
std::vector<std::string> groups = app->get_groups();
bool defaultUsed = false;
groups.insert(groups.begin(), std::string("Options"));
if(write_description && (app->get_configurable() || app->get_parent() == nullptr || app->get_name().empty())) {
out << commentLead << detail::fix_newlines(commentLead, app->get_description()) << '\n';
}
for(auto &group : groups) {
if(group == "Options" || group.empty()) {
if(defaultUsed) {
continue;
}
defaultUsed = true;
}
if(write_description && group != "Options" && !group.empty()) {
out << '\n' << commentLead << group << " Options\n";
}
for(const Option *opt : app->get_options({})) {
// Only process options that are configurable
if(opt->get_configurable()) {
if(opt->get_group() != group) {
if(!(group == "Options" && opt->get_group().empty())) {
continue;
}
}
std::string name = prefix + opt->get_single_name();
std::string value = detail::ini_join(
opt->reduced_results(), arraySeparator, arrayStart, arrayEnd, stringQuote, characterQuote);
if(value.empty() && default_also) {
if(!opt->get_default_str().empty()) {
value = detail::convert_arg_for_ini(opt->get_default_str(), stringQuote, characterQuote);
} else if(opt->get_expected_min() == 0) {
value = "false";
} else if(opt->get_run_callback_for_default()) {
value = "\"\""; // empty string default value
}
}
if(!value.empty()) {
if(!opt->get_fnames().empty()) {
value = opt->get_flag_value(name, value);
}
if(write_description && opt->has_description()) {
out << '\n';
out << commentLead << detail::fix_newlines(commentLead, opt->get_description()) << '\n';
}
out << name << valueDelimiter << value << '\n';
}
}
}
}
auto subcommands = app->get_subcommands({});
for(const App *subcom : subcommands) {
if(subcom->get_name().empty()) {
if(write_description && !subcom->get_group().empty()) {
out << '\n' << commentLead << subcom->get_group() << " Options\n";
}
out << to_config(subcom, default_also, write_description, prefix);
}
}
for(const App *subcom : subcommands) {
if(!subcom->get_name().empty()) {
if(subcom->get_configurable() && app->got_subcommand(subcom)) {
if(!prefix.empty() || app->get_parent() == nullptr) {
out << '[' << prefix << subcom->get_name() << "]\n";
} else {
std::string subname = app->get_name() + parentSeparatorChar + subcom->get_name();
const auto *p = app->get_parent();
while(p->get_parent() != nullptr) {
subname = p->get_name() + parentSeparatorChar + subname;
p = p->get_parent();
}
out << '[' << subname << "]\n";
}
out << to_config(subcom, default_also, write_description, "");
} else {
out << to_config(
subcom, default_also, write_description, prefix + subcom->get_name() + parentSeparatorChar);
}
}
}
return out.str();
}
// [CLI11:config_inl_hpp:end]
} // namespace CLI

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
// This include is only needed for IDEs to discover symbols
#include <CLI/Formatter.hpp>
// [CLI11:public_includes:set]
#include <algorithm>
#include <string>
#include <utility>
#include <vector>
// [CLI11:public_includes:end]
namespace CLI {
// [CLI11:formatter_inl_hpp:verbatim]
CLI11_INLINE std::string
Formatter::make_group(std::string group, bool is_positional, std::vector<const Option *> opts) const {
std::stringstream out;
out << "\n" << group << ":\n";
for(const Option *opt : opts) {
out << make_option(opt, is_positional);
}
return out.str();
}
CLI11_INLINE std::string Formatter::make_positionals(const App *app) const {
std::vector<const Option *> opts =
app->get_options([](const Option *opt) { return !opt->get_group().empty() && opt->get_positional(); });
if(opts.empty())
return {};
return make_group(get_label("Positionals"), true, opts);
}
CLI11_INLINE std::string Formatter::make_groups(const App *app, AppFormatMode mode) const {
std::stringstream out;
std::vector<std::string> groups = app->get_groups();
// Options
for(const std::string &group : groups) {
std::vector<const Option *> opts = app->get_options([app, mode, &group](const Option *opt) {
return opt->get_group() == group // Must be in the right group
&& opt->nonpositional() // Must not be a positional
&& (mode != AppFormatMode::Sub // If mode is Sub, then
|| (app->get_help_ptr() != opt // Ignore help pointer
&& app->get_help_all_ptr() != opt)); // Ignore help all pointer
});
if(!group.empty() && !opts.empty()) {
out << make_group(group, false, opts);
if(group != groups.back())
out << "\n";
}
}
return out.str();
}
CLI11_INLINE std::string Formatter::make_description(const App *app) const {
std::string desc = app->get_description();
auto min_options = app->get_require_option_min();
auto max_options = app->get_require_option_max();
if(app->get_required()) {
desc += " REQUIRED ";
}
if((max_options == min_options) && (min_options > 0)) {
if(min_options == 1) {
desc += " \n[Exactly 1 of the following options is required]";
} else {
desc += " \n[Exactly " + std::to_string(min_options) + "options from the following list are required]";
}
} else if(max_options > 0) {
if(min_options > 0) {
desc += " \n[Between " + std::to_string(min_options) + " and " + std::to_string(max_options) +
" of the follow options are required]";
} else {
desc += " \n[At most " + std::to_string(max_options) + " of the following options are allowed]";
}
} else if(min_options > 0) {
desc += " \n[At least " + std::to_string(min_options) + " of the following options are required]";
}
return (!desc.empty()) ? desc + "\n" : std::string{};
}
CLI11_INLINE std::string Formatter::make_usage(const App *app, std::string name) const {
std::stringstream out;
out << get_label("Usage") << ":" << (name.empty() ? "" : " ") << name;
std::vector<std::string> groups = app->get_groups();
// Print an Options badge if any options exist
std::vector<const Option *> non_pos_options =
app->get_options([](const Option *opt) { return opt->nonpositional(); });
if(!non_pos_options.empty())
out << " [" << get_label("OPTIONS") << "]";
// Positionals need to be listed here
std::vector<const Option *> positionals = app->get_options([](const Option *opt) { return opt->get_positional(); });
// Print out positionals if any are left
if(!positionals.empty()) {
// Convert to help names
std::vector<std::string> positional_names(positionals.size());
std::transform(positionals.begin(), positionals.end(), positional_names.begin(), [this](const Option *opt) {
return make_option_usage(opt);
});
out << " " << detail::join(positional_names, " ");
}
// Add a marker if subcommands are expected or optional
if(!app->get_subcommands(
[](const CLI::App *subc) { return ((!subc->get_disabled()) && (!subc->get_name().empty())); })
.empty()) {
out << " " << (app->get_require_subcommand_min() == 0 ? "[" : "")
<< get_label(app->get_require_subcommand_max() < 2 || app->get_require_subcommand_min() > 1 ? "SUBCOMMAND"
: "SUBCOMMANDS")
<< (app->get_require_subcommand_min() == 0 ? "]" : "");
}
out << std::endl;
return out.str();
}
CLI11_INLINE std::string Formatter::make_footer(const App *app) const {
std::string footer = app->get_footer();
if(footer.empty()) {
return std::string{};
}
return footer + "\n";
}
CLI11_INLINE std::string Formatter::make_help(const App *app, std::string name, AppFormatMode mode) const {
// This immediately forwards to the make_expanded method. This is done this way so that subcommands can
// have overridden formatters
if(mode == AppFormatMode::Sub)
return make_expanded(app);
std::stringstream out;
if((app->get_name().empty()) && (app->get_parent() != nullptr)) {
if(app->get_group() != "Subcommands") {
out << app->get_group() << ':';
}
}
out << make_description(app);
out << make_usage(app, name);
out << make_positionals(app);
out << make_groups(app, mode);
out << make_subcommands(app, mode);
out << '\n' << make_footer(app);
return out.str();
}
CLI11_INLINE std::string Formatter::make_subcommands(const App *app, AppFormatMode mode) const {
std::stringstream out;
std::vector<const App *> subcommands = app->get_subcommands({});
// Make a list in definition order of the groups seen
std::vector<std::string> subcmd_groups_seen;
for(const App *com : subcommands) {
if(com->get_name().empty()) {
if(!com->get_group().empty()) {
out << make_expanded(com);
}
continue;
}
std::string group_key = com->get_group();
if(!group_key.empty() &&
std::find_if(subcmd_groups_seen.begin(), subcmd_groups_seen.end(), [&group_key](std::string a) {
return detail::to_lower(a) == detail::to_lower(group_key);
}) == subcmd_groups_seen.end())
subcmd_groups_seen.push_back(group_key);
}
// For each group, filter out and print subcommands
for(const std::string &group : subcmd_groups_seen) {
out << "\n" << group << ":\n";
std::vector<const App *> subcommands_group = app->get_subcommands(
[&group](const App *sub_app) { return detail::to_lower(sub_app->get_group()) == detail::to_lower(group); });
for(const App *new_com : subcommands_group) {
if(new_com->get_name().empty())
continue;
if(mode != AppFormatMode::All) {
out << make_subcommand(new_com);
} else {
out << new_com->help(new_com->get_name(), AppFormatMode::Sub);
out << "\n";
}
}
}
return out.str();
}
CLI11_INLINE std::string Formatter::make_subcommand(const App *sub) const {
std::stringstream out;
detail::format_help(out, sub->get_display_name(true), sub->get_description(), column_width_);
return out.str();
}
CLI11_INLINE std::string Formatter::make_expanded(const App *sub) const {
std::stringstream out;
out << sub->get_display_name(true) << "\n";
out << make_description(sub);
if(sub->get_name().empty() && !sub->get_aliases().empty()) {
detail::format_aliases(out, sub->get_aliases(), column_width_ + 2);
}
out << make_positionals(sub);
out << make_groups(sub, AppFormatMode::Sub);
out << make_subcommands(sub, AppFormatMode::Sub);
// Drop blank spaces
std::string tmp = detail::find_and_replace(out.str(), "\n\n", "\n");
tmp = tmp.substr(0, tmp.size() - 1); // Remove the final '\n'
// Indent all but the first line (the name)
return detail::find_and_replace(tmp, "\n", "\n ") + "\n";
}
CLI11_INLINE std::string Formatter::make_option_name(const Option *opt, bool is_positional) const {
if(is_positional)
return opt->get_name(true, false);
return opt->get_name(false, true);
}
CLI11_INLINE std::string Formatter::make_option_opts(const Option *opt) const {
std::stringstream out;
if(!opt->get_option_text().empty()) {
out << " " << opt->get_option_text();
} else {
if(opt->get_type_size() != 0) {
if(!opt->get_type_name().empty())
out << " " << get_label(opt->get_type_name());
if(!opt->get_default_str().empty())
out << " [" << opt->get_default_str() << "] ";
if(opt->get_expected_max() == detail::expected_max_vector_size)
out << " ...";
else if(opt->get_expected_min() > 1)
out << " x " << opt->get_expected();
if(opt->get_required())
out << " " << get_label("REQUIRED");
}
if(!opt->get_envname().empty())
out << " (" << get_label("Env") << ":" << opt->get_envname() << ")";
if(!opt->get_needs().empty()) {
out << " " << get_label("Needs") << ":";
for(const Option *op : opt->get_needs())
out << " " << op->get_name();
}
if(!opt->get_excludes().empty()) {
out << " " << get_label("Excludes") << ":";
for(const Option *op : opt->get_excludes())
out << " " << op->get_name();
}
}
return out.str();
}
CLI11_INLINE std::string Formatter::make_option_desc(const Option *opt) const { return opt->get_description(); }
CLI11_INLINE std::string Formatter::make_option_usage(const Option *opt) const {
// Note that these are positionals usages
std::stringstream out;
out << make_option_name(opt, true);
if(opt->get_expected_max() >= detail::expected_max_vector_size)
out << "...";
else if(opt->get_expected_max() > 1)
out << "(" << opt->get_expected() << "x)";
return opt->get_required() ? out.str() : "[" + out.str() + "]";
}
// [CLI11:formatter_inl_hpp:end]
} // namespace CLI

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
// This include is only needed for IDEs to discover symbols
#include <CLI/Option.hpp>
// [CLI11:public_includes:set]
#include <algorithm>
#include <string>
#include <utility>
#include <vector>
// [CLI11:public_includes:end]
namespace CLI {
// [CLI11:option_inl_hpp:verbatim]
template <typename CRTP> template <typename T> void OptionBase<CRTP>::copy_to(T *other) const {
other->group(group_);
other->required(required_);
other->ignore_case(ignore_case_);
other->ignore_underscore(ignore_underscore_);
other->configurable(configurable_);
other->disable_flag_override(disable_flag_override_);
other->delimiter(delimiter_);
other->always_capture_default(always_capture_default_);
other->multi_option_policy(multi_option_policy_);
}
CLI11_INLINE Option *Option::expected(int value) {
if(value < 0) {
expected_min_ = -value;
if(expected_max_ < expected_min_) {
expected_max_ = expected_min_;
}
allow_extra_args_ = true;
flag_like_ = false;
} else if(value == detail::expected_max_vector_size) {
expected_min_ = 1;
expected_max_ = detail::expected_max_vector_size;
allow_extra_args_ = true;
flag_like_ = false;
} else {
expected_min_ = value;
expected_max_ = value;
flag_like_ = (expected_min_ == 0);
}
return this;
}
CLI11_INLINE Option *Option::expected(int value_min, int value_max) {
if(value_min < 0) {
value_min = -value_min;
}
if(value_max < 0) {
value_max = detail::expected_max_vector_size;
}
if(value_max < value_min) {
expected_min_ = value_max;
expected_max_ = value_min;
} else {
expected_max_ = value_max;
expected_min_ = value_min;
}
return this;
}
CLI11_INLINE Option *Option::check(Validator validator, const std::string &validator_name) {
validator.non_modifying();
validators_.push_back(std::move(validator));
if(!validator_name.empty())
validators_.back().name(validator_name);
return this;
}
CLI11_INLINE Option *Option::check(std::function<std::string(const std::string &)> Validator,
std::string Validator_description,
std::string Validator_name) {
validators_.emplace_back(Validator, std::move(Validator_description), std::move(Validator_name));
validators_.back().non_modifying();
return this;
}
CLI11_INLINE Option *Option::transform(Validator Validator, const std::string &Validator_name) {
validators_.insert(validators_.begin(), std::move(Validator));
if(!Validator_name.empty())
validators_.front().name(Validator_name);
return this;
}
CLI11_INLINE Option *Option::transform(const std::function<std::string(std::string)> &func,
std::string transform_description,
std::string transform_name) {
validators_.insert(validators_.begin(),
Validator(
[func](std::string &val) {
val = func(val);
return std::string{};
},
std::move(transform_description),
std::move(transform_name)));
return this;
}
CLI11_INLINE Option *Option::each(const std::function<void(std::string)> &func) {
validators_.emplace_back(
[func](std::string &inout) {
func(inout);
return std::string{};
},
std::string{});
return this;
}
CLI11_INLINE Validator *Option::get_validator(const std::string &Validator_name) {
for(auto &Validator : validators_) {
if(Validator_name == Validator.get_name()) {
return &Validator;
}
}
if((Validator_name.empty()) && (!validators_.empty())) {
return &(validators_.front());
}
throw OptionNotFound(std::string{"Validator "} + Validator_name + " Not Found");
}
CLI11_INLINE Validator *Option::get_validator(int index) {
// This is an signed int so that it is not equivalent to a pointer.
if(index >= 0 && index < static_cast<int>(validators_.size())) {
return &(validators_[static_cast<decltype(validators_)::size_type>(index)]);
}
throw OptionNotFound("Validator index is not valid");
}
CLI11_INLINE bool Option::remove_needs(Option *opt) {
auto iterator = std::find(std::begin(needs_), std::end(needs_), opt);
if(iterator == std::end(needs_)) {
return false;
}
needs_.erase(iterator);
return true;
}
CLI11_INLINE Option *Option::excludes(Option *opt) {
if(opt == this) {
throw(IncorrectConstruction("and option cannot exclude itself"));
}
excludes_.insert(opt);
// Help text should be symmetric - excluding a should exclude b
opt->excludes_.insert(this);
// Ignoring the insert return value, excluding twice is now allowed.
// (Mostly to allow both directions to be excluded by user, even though the library does it for you.)
return this;
}
CLI11_INLINE bool Option::remove_excludes(Option *opt) {
auto iterator = std::find(std::begin(excludes_), std::end(excludes_), opt);
if(iterator == std::end(excludes_)) {
return false;
}
excludes_.erase(iterator);
return true;
}
template <typename T> Option *Option::ignore_case(bool value) {
if(!ignore_case_ && value) {
ignore_case_ = value;
auto *parent = static_cast<T *>(parent_);
for(const Option_p &opt : parent->options_) {
if(opt.get() == this) {
continue;
}
const auto &omatch = opt->matching_name(*this);
if(!omatch.empty()) {
ignore_case_ = false;
throw OptionAlreadyAdded("adding ignore case caused a name conflict with " + omatch);
}
}
} else {
ignore_case_ = value;
}
return this;
}
template <typename T> Option *Option::ignore_underscore(bool value) {
if(!ignore_underscore_ && value) {
ignore_underscore_ = value;
auto *parent = static_cast<T *>(parent_);
for(const Option_p &opt : parent->options_) {
if(opt.get() == this) {
continue;
}
const auto &omatch = opt->matching_name(*this);
if(!omatch.empty()) {
ignore_underscore_ = false;
throw OptionAlreadyAdded("adding ignore underscore caused a name conflict with " + omatch);
}
}
} else {
ignore_underscore_ = value;
}
return this;
}
CLI11_INLINE Option *Option::multi_option_policy(MultiOptionPolicy value) {
if(value != multi_option_policy_) {
if(multi_option_policy_ == MultiOptionPolicy::Throw && expected_max_ == detail::expected_max_vector_size &&
expected_min_ > 1) { // this bizarre condition is to maintain backwards compatibility
// with the previous behavior of expected_ with vectors
expected_max_ = expected_min_;
}
multi_option_policy_ = value;
current_option_state_ = option_state::parsing;
}
return this;
}
CLI11_NODISCARD CLI11_INLINE std::string Option::get_name(bool positional, bool all_options) const {
if(get_group().empty())
return {}; // Hidden
if(all_options) {
std::vector<std::string> name_list;
/// The all list will never include a positional unless asked or that's the only name.
if((positional && (!pname_.empty())) || (snames_.empty() && lnames_.empty())) {
name_list.push_back(pname_);
}
if((get_items_expected() == 0) && (!fnames_.empty())) {
for(const std::string &sname : snames_) {
name_list.push_back("-" + sname);
if(check_fname(sname)) {
name_list.back() += "{" + get_flag_value(sname, "") + "}";
}
}
for(const std::string &lname : lnames_) {
name_list.push_back("--" + lname);
if(check_fname(lname)) {
name_list.back() += "{" + get_flag_value(lname, "") + "}";
}
}
} else {
for(const std::string &sname : snames_)
name_list.push_back("-" + sname);
for(const std::string &lname : lnames_)
name_list.push_back("--" + lname);
}
return detail::join(name_list);
}
// This returns the positional name no matter what
if(positional)
return pname_;
// Prefer long name
if(!lnames_.empty())
return std::string(2, '-') + lnames_[0];
// Or short name if no long name
if(!snames_.empty())
return std::string(1, '-') + snames_[0];
// If positional is the only name, it's okay to use that
return pname_;
}
CLI11_INLINE void Option::run_callback() {
if(force_callback_ && results_.empty()) {
add_result(default_str_);
}
if(current_option_state_ == option_state::parsing) {
_validate_results(results_);
current_option_state_ = option_state::validated;
}
if(current_option_state_ < option_state::reduced) {
_reduce_results(proc_results_, results_);
current_option_state_ = option_state::reduced;
}
if(current_option_state_ >= option_state::reduced) {
current_option_state_ = option_state::callback_run;
if(!(callback_)) {
return;
}
const results_t &send_results = proc_results_.empty() ? results_ : proc_results_;
bool local_result = callback_(send_results);
if(!local_result)
throw ConversionError(get_name(), results_);
}
}
CLI11_NODISCARD CLI11_INLINE const std::string &Option::matching_name(const Option &other) const {
static const std::string estring;
for(const std::string &sname : snames_)
if(other.check_sname(sname))
return sname;
for(const std::string &lname : lnames_)
if(other.check_lname(lname))
return lname;
if(ignore_case_ ||
ignore_underscore_) { // We need to do the inverse, in case we are ignore_case or ignore underscore
for(const std::string &sname : other.snames_)
if(check_sname(sname))
return sname;
for(const std::string &lname : other.lnames_)
if(check_lname(lname))
return lname;
}
return estring;
}
CLI11_NODISCARD CLI11_INLINE bool Option::check_name(const std::string &name) const {
if(name.length() > 2 && name[0] == '-' && name[1] == '-')
return check_lname(name.substr(2));
if(name.length() > 1 && name.front() == '-')
return check_sname(name.substr(1));
if(!pname_.empty()) {
std::string local_pname = pname_;
std::string local_name = name;
if(ignore_underscore_) {
local_pname = detail::remove_underscore(local_pname);
local_name = detail::remove_underscore(local_name);
}
if(ignore_case_) {
local_pname = detail::to_lower(local_pname);
local_name = detail::to_lower(local_name);
}
if(local_name == local_pname) {
return true;
}
}
if(!envname_.empty()) {
// this needs to be the original since envname_ shouldn't match on case insensitivity
return (name == envname_);
}
return false;
}
CLI11_NODISCARD CLI11_INLINE std::string Option::get_flag_value(const std::string &name,
std::string input_value) const {
static const std::string trueString{"true"};
static const std::string falseString{"false"};
static const std::string emptyString{"{}"};
// check for disable flag override_
if(disable_flag_override_) {
if(!((input_value.empty()) || (input_value == emptyString))) {
auto default_ind = detail::find_member(name, fnames_, ignore_case_, ignore_underscore_);
if(default_ind >= 0) {
// We can static cast this to std::size_t because it is more than 0 in this block
if(default_flag_values_[static_cast<std::size_t>(default_ind)].second != input_value) {
throw(ArgumentMismatch::FlagOverride(name));
}
} else {
if(input_value != trueString) {
throw(ArgumentMismatch::FlagOverride(name));
}
}
}
}
auto ind = detail::find_member(name, fnames_, ignore_case_, ignore_underscore_);
if((input_value.empty()) || (input_value == emptyString)) {
if(flag_like_) {
return (ind < 0) ? trueString : default_flag_values_[static_cast<std::size_t>(ind)].second;
}
return (ind < 0) ? default_str_ : default_flag_values_[static_cast<std::size_t>(ind)].second;
}
if(ind < 0) {
return input_value;
}
if(default_flag_values_[static_cast<std::size_t>(ind)].second == falseString) {
try {
auto val = detail::to_flag_value(input_value);
return (val == 1) ? falseString : (val == (-1) ? trueString : std::to_string(-val));
} catch(const std::invalid_argument &) {
return input_value;
}
} else {
return input_value;
}
}
CLI11_INLINE Option *Option::add_result(std::string s) {
_add_result(std::move(s), results_);
current_option_state_ = option_state::parsing;
return this;
}
CLI11_INLINE Option *Option::add_result(std::string s, int &results_added) {
results_added = _add_result(std::move(s), results_);
current_option_state_ = option_state::parsing;
return this;
}
CLI11_INLINE Option *Option::add_result(std::vector<std::string> s) {
current_option_state_ = option_state::parsing;
for(auto &str : s) {
_add_result(std::move(str), results_);
}
return this;
}
CLI11_NODISCARD CLI11_INLINE results_t Option::reduced_results() const {
results_t res = proc_results_.empty() ? results_ : proc_results_;
if(current_option_state_ < option_state::reduced) {
if(current_option_state_ == option_state::parsing) {
res = results_;
_validate_results(res);
}
if(!res.empty()) {
results_t extra;
_reduce_results(extra, res);
if(!extra.empty()) {
res = std::move(extra);
}
}
}
return res;
}
CLI11_INLINE Option *Option::type_size(int option_type_size) {
if(option_type_size < 0) {
// this section is included for backwards compatibility
type_size_max_ = -option_type_size;
type_size_min_ = -option_type_size;
expected_max_ = detail::expected_max_vector_size;
} else {
type_size_max_ = option_type_size;
if(type_size_max_ < detail::expected_max_vector_size) {
type_size_min_ = option_type_size;
} else {
inject_separator_ = true;
}
if(type_size_max_ == 0)
required_ = false;
}
return this;
}
CLI11_INLINE Option *Option::type_size(int option_type_size_min, int option_type_size_max) {
if(option_type_size_min < 0 || option_type_size_max < 0) {
// this section is included for backwards compatibility
expected_max_ = detail::expected_max_vector_size;
option_type_size_min = (std::abs)(option_type_size_min);
option_type_size_max = (std::abs)(option_type_size_max);
}
if(option_type_size_min > option_type_size_max) {
type_size_max_ = option_type_size_min;
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) {
// 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) {
// 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::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) {
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.push_back("{}");
out.push_back("%%");
}
} else if(out.size() == 1 && out[0] == "{}" && get_items_expected_min() > 0) {
out.push_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_ && !result.empty() && result.front() == '[' &&
result.back() == ']') { // this is now a vector string likely from the default or user entry
result.pop_back();
for(auto &var : CLI::detail::split(result.substr(1), ',')) {
if(!var.empty()) {
result_count += _add_result(std::move(var), res);
}
}
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

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
// This include is only needed for IDEs to discover symbols
#include <CLI/Split.hpp>
// [CLI11:public_includes:set]
#include <string>
#include <tuple>
#include <utility>
#include <vector>
// [CLI11:public_includes:end]
#include <CLI/Error.hpp>
#include <CLI/StringTools.hpp>
namespace CLI {
// [CLI11:split_inl_hpp:verbatim]
namespace detail {
CLI11_INLINE bool split_short(const std::string &current, std::string &name, std::string &rest) {
if(current.size() > 1 && current[0] == '-' && valid_first_char(current[1])) {
name = current.substr(1, 1);
rest = current.substr(2);
return true;
}
return false;
}
CLI11_INLINE bool split_long(const std::string &current, std::string &name, std::string &value) {
if(current.size() > 2 && current.substr(0, 2) == "--" && valid_first_char(current[2])) {
auto loc = current.find_first_of('=');
if(loc != std::string::npos) {
name = current.substr(2, loc - 2);
value = current.substr(loc + 1);
} else {
name = current.substr(2);
value = "";
}
return true;
}
return false;
}
CLI11_INLINE bool split_windows_style(const std::string &current, std::string &name, std::string &value) {
if(current.size() > 1 && current[0] == '/' && valid_first_char(current[1])) {
auto loc = current.find_first_of(':');
if(loc != std::string::npos) {
name = current.substr(1, loc - 1);
value = current.substr(loc + 1);
} else {
name = current.substr(1);
value = "";
}
return true;
}
return false;
}
CLI11_INLINE std::vector<std::string> split_names(std::string current) {
std::vector<std::string> output;
std::size_t val = 0;
while((val = current.find(',')) != std::string::npos) {
output.push_back(trim_copy(current.substr(0, val)));
current = current.substr(val + 1);
}
output.push_back(trim_copy(current));
return output;
}
CLI11_INLINE std::vector<std::pair<std::string, std::string>> get_default_flag_values(const std::string &str) {
std::vector<std::string> flags = split_names(str);
flags.erase(std::remove_if(flags.begin(),
flags.end(),
[](const std::string &name) {
return ((name.empty()) || (!(((name.find_first_of('{') != std::string::npos) &&
(name.back() == '}')) ||
(name[0] == '!'))));
}),
flags.end());
std::vector<std::pair<std::string, std::string>> output;
output.reserve(flags.size());
for(auto &flag : flags) {
auto def_start = flag.find_first_of('{');
std::string defval = "false";
if((def_start != std::string::npos) && (flag.back() == '}')) {
defval = flag.substr(def_start + 1);
defval.pop_back();
flag.erase(def_start, std::string::npos); // NOLINT(readability-suspicious-call-argument)
}
flag.erase(0, flag.find_first_not_of("-!"));
output.emplace_back(flag, defval);
}
return output;
}
CLI11_INLINE std::tuple<std::vector<std::string>, std::vector<std::string>, std::string>
get_names(const std::vector<std::string> &input) {
std::vector<std::string> short_names;
std::vector<std::string> long_names;
std::string pos_name;
for(std::string name : input) {
if(name.length() == 0) {
continue;
}
if(name.length() > 1 && name[0] == '-' && name[1] != '-') {
if(name.length() == 2 && valid_first_char(name[1]))
short_names.emplace_back(1, name[1]);
else
throw BadNameString::OneCharName(name);
} else if(name.length() > 2 && name.substr(0, 2) == "--") {
name = name.substr(2);
if(valid_name_string(name))
long_names.push_back(name);
else
throw BadNameString::BadLongName(name);
} else if(name == "-" || name == "--") {
throw BadNameString::DashesOnly(name);
} else {
if(pos_name.length() > 0)
throw BadNameString::MultiPositionalNames(name);
pos_name = name;
}
}
return std::make_tuple(short_names, long_names, pos_name);
}
} // namespace detail
// [CLI11:split_inl_hpp:end]
} // namespace CLI

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
// This include is only needed for IDEs to discover symbols
#include <CLI/StringTools.hpp>
// [CLI11:public_includes:set]
#include <string>
#include <vector>
// [CLI11:public_includes:end]
namespace CLI {
// [CLI11:string_tools_inl_hpp:verbatim]
namespace detail {
CLI11_INLINE std::vector<std::string> split(const std::string &s, char delim) {
std::vector<std::string> elems;
// Check to see if empty string, give consistent result
if(s.empty()) {
elems.emplace_back();
} else {
std::stringstream ss;
ss.str(s);
std::string item;
while(std::getline(ss, item, delim)) {
elems.push_back(item);
}
}
return elems;
}
CLI11_INLINE std::string &ltrim(std::string &str) {
auto it = std::find_if(str.begin(), str.end(), [](char ch) { return !std::isspace<char>(ch, std::locale()); });
str.erase(str.begin(), it);
return str;
}
CLI11_INLINE std::string &ltrim(std::string &str, const std::string &filter) {
auto it = std::find_if(str.begin(), str.end(), [&filter](char ch) { return filter.find(ch) == std::string::npos; });
str.erase(str.begin(), it);
return str;
}
CLI11_INLINE std::string &rtrim(std::string &str) {
auto it = std::find_if(str.rbegin(), str.rend(), [](char ch) { return !std::isspace<char>(ch, std::locale()); });
str.erase(it.base(), str.end());
return str;
}
CLI11_INLINE std::string &rtrim(std::string &str, const std::string &filter) {
auto it =
std::find_if(str.rbegin(), str.rend(), [&filter](char ch) { return filter.find(ch) == std::string::npos; });
str.erase(it.base(), str.end());
return str;
}
CLI11_INLINE std::string &remove_quotes(std::string &str) {
if(str.length() > 1 && (str.front() == '"' || str.front() == '\'')) {
if(str.front() == str.back()) {
str.pop_back();
str.erase(str.begin(), str.begin() + 1);
}
}
return str;
}
CLI11_INLINE std::string fix_newlines(const std::string &leader, std::string input) {
std::string::size_type n = 0;
while(n != std::string::npos && n < input.size()) {
n = input.find('\n', n);
if(n != std::string::npos) {
input = input.substr(0, n + 1) + leader + input.substr(n + 1);
n += leader.size();
}
}
return input;
}
CLI11_INLINE std::ostream &
format_help(std::ostream &out, std::string name, const std::string &description, std::size_t wid) {
name = " " + name;
out << std::setw(static_cast<int>(wid)) << std::left << name;
if(!description.empty()) {
if(name.length() >= wid)
out << "\n" << std::setw(static_cast<int>(wid)) << "";
for(const char c : description) {
out.put(c);
if(c == '\n') {
out << std::setw(static_cast<int>(wid)) << "";
}
}
}
out << "\n";
return out;
}
CLI11_INLINE std::ostream &format_aliases(std::ostream &out, const std::vector<std::string> &aliases, std::size_t wid) {
if(!aliases.empty()) {
out << std::setw(static_cast<int>(wid)) << " aliases: ";
bool front = true;
for(const auto &alias : aliases) {
if(!front) {
out << ", ";
} else {
front = false;
}
out << detail::fix_newlines(" ", alias);
}
out << "\n";
}
return out;
}
CLI11_INLINE bool valid_name_string(const std::string &str) {
if(str.empty() || !valid_first_char(str[0])) {
return false;
}
auto e = str.end();
for(auto c = str.begin() + 1; c != e; ++c)
if(!valid_later_char(*c))
return false;
return true;
}
CLI11_INLINE std::string find_and_replace(std::string str, std::string from, std::string to) {
std::size_t start_pos = 0;
while((start_pos = str.find(from, start_pos)) != std::string::npos) {
str.replace(start_pos, from.length(), to);
start_pos += to.length();
}
return str;
}
CLI11_INLINE void remove_default_flag_values(std::string &flags) {
auto loc = flags.find_first_of('{', 2);
while(loc != std::string::npos) {
auto finish = flags.find_first_of("},", loc + 1);
if((finish != std::string::npos) && (flags[finish] == '}')) {
flags.erase(flags.begin() + static_cast<std::ptrdiff_t>(loc),
flags.begin() + static_cast<std::ptrdiff_t>(finish) + 1);
}
loc = flags.find_first_of('{', loc + 1);
}
flags.erase(std::remove(flags.begin(), flags.end(), '!'), flags.end());
}
CLI11_INLINE std::ptrdiff_t
find_member(std::string name, const std::vector<std::string> names, bool ignore_case, bool ignore_underscore) {
auto it = std::end(names);
if(ignore_case) {
if(ignore_underscore) {
name = detail::to_lower(detail::remove_underscore(name));
it = std::find_if(std::begin(names), std::end(names), [&name](std::string local_name) {
return detail::to_lower(detail::remove_underscore(local_name)) == name;
});
} else {
name = detail::to_lower(name);
it = std::find_if(std::begin(names), std::end(names), [&name](std::string local_name) {
return detail::to_lower(local_name) == name;
});
}
} else if(ignore_underscore) {
name = detail::remove_underscore(name);
it = std::find_if(std::begin(names), std::end(names), [&name](std::string local_name) {
return detail::remove_underscore(local_name) == name;
});
} else {
it = std::find(std::begin(names), std::end(names), name);
}
return (it != std::end(names)) ? (it - std::begin(names)) : (-1);
}
CLI11_INLINE std::vector<std::string> split_up(std::string str, char delimiter) {
const std::string delims("\'\"`");
auto find_ws = [delimiter](char ch) {
return (delimiter == '\0') ? std::isspace<char>(ch, std::locale()) : (ch == delimiter);
};
trim(str);
std::vector<std::string> output;
bool embeddedQuote = false;
char keyChar = ' ';
while(!str.empty()) {
if(delims.find_first_of(str[0]) != std::string::npos) {
keyChar = str[0];
auto end = str.find_first_of(keyChar, 1);
while((end != std::string::npos) && (str[end - 1] == '\\')) { // deal with escaped quotes
end = str.find_first_of(keyChar, end + 1);
embeddedQuote = true;
}
if(end != std::string::npos) {
output.push_back(str.substr(1, end - 1));
if(end + 2 < str.size()) {
str = str.substr(end + 2);
} else {
str.clear();
}
} else {
output.push_back(str.substr(1));
str = "";
}
} else {
auto it = std::find_if(std::begin(str), std::end(str), find_ws);
if(it != std::end(str)) {
std::string value = std::string(str.begin(), it);
output.push_back(value);
str = std::string(it + 1, str.end());
} else {
output.push_back(str);
str = "";
}
}
// transform any embedded quotes into the regular character
if(embeddedQuote) {
output.back() = find_and_replace(output.back(), std::string("\\") + keyChar, std::string(1, keyChar));
embeddedQuote = false;
}
trim(str);
}
return output;
}
CLI11_INLINE std::size_t escape_detect(std::string &str, std::size_t offset) {
auto next = str[offset + 1];
if((next == '\"') || (next == '\'') || (next == '`')) {
auto astart = str.find_last_of("-/ \"\'`", offset - 1);
if(astart != std::string::npos) {
if(str[astart] == ((str[offset] == '=') ? '-' : '/'))
str[offset] = ' '; // interpret this as a space so the split_up works properly
}
}
return offset + 1;
}
CLI11_INLINE std::string &add_quotes_if_needed(std::string &str) {
if((str.front() != '"' && str.front() != '\'') || str.front() != str.back()) {
char quote = str.find('"') < str.find('\'') ? '\'' : '"';
if(str.find(' ') != std::string::npos) {
str.insert(0, 1, quote);
str.append(1, quote);
}
}
return str;
}
} // namespace detail
// [CLI11:string_tools_inl_hpp:end]
} // namespace CLI

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// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
// under NSF AWARD 1414736 and by the respective contributors.
// All rights reserved.
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
#include <CLI/Validators.hpp>
#include <CLI/Macros.hpp>
#include <CLI/StringTools.hpp>
#include <CLI/TypeTools.hpp>
// [CLI11:public_includes:set]
#include <map>
#include <string>
#include <utility>
// [CLI11:public_includes:end]
namespace CLI {
// [CLI11:validators_inl_hpp:verbatim]
CLI11_INLINE std::string Validator::operator()(std::string &str) const {
std::string retstring;
if(active_) {
if(non_modifying_) {
std::string value = str;
retstring = func_(value);
} else {
retstring = func_(str);
}
}
return retstring;
}
CLI11_NODISCARD CLI11_INLINE Validator Validator::description(std::string validator_desc) const {
Validator newval(*this);
newval.desc_function_ = [validator_desc]() { return validator_desc; };
return newval;
}
CLI11_INLINE Validator Validator::operator&(const Validator &other) const {
Validator newval;
newval._merge_description(*this, other, " AND ");
// Give references (will make a copy in lambda function)
const std::function<std::string(std::string & filename)> &f1 = func_;
const std::function<std::string(std::string & filename)> &f2 = other.func_;
newval.func_ = [f1, f2](std::string &input) {
std::string s1 = f1(input);
std::string s2 = f2(input);
if(!s1.empty() && !s2.empty())
return std::string("(") + s1 + ") AND (" + s2 + ")";
return s1 + s2;
};
newval.active_ = active_ && other.active_;
newval.application_index_ = application_index_;
return newval;
}
CLI11_INLINE Validator Validator::operator|(const Validator &other) const {
Validator newval;
newval._merge_description(*this, other, " OR ");
// Give references (will make a copy in lambda function)
const std::function<std::string(std::string &)> &f1 = func_;
const std::function<std::string(std::string &)> &f2 = other.func_;
newval.func_ = [f1, f2](std::string &input) {
std::string s1 = f1(input);
std::string s2 = f2(input);
if(s1.empty() || s2.empty())
return std::string();
return std::string("(") + s1 + ") OR (" + s2 + ")";
};
newval.active_ = active_ && other.active_;
newval.application_index_ = application_index_;
return newval;
}
CLI11_INLINE Validator Validator::operator!() const {
Validator newval;
const std::function<std::string()> &dfunc1 = desc_function_;
newval.desc_function_ = [dfunc1]() {
auto str = dfunc1();
return (!str.empty()) ? std::string("NOT ") + str : std::string{};
};
// Give references (will make a copy in lambda function)
const std::function<std::string(std::string & res)> &f1 = func_;
newval.func_ = [f1, dfunc1](std::string &test) -> std::string {
std::string s1 = f1(test);
if(s1.empty()) {
return std::string("check ") + dfunc1() + " succeeded improperly";
}
return std::string{};
};
newval.active_ = active_;
newval.application_index_ = application_index_;
return newval;
}
CLI11_INLINE void
Validator::_merge_description(const Validator &val1, const Validator &val2, const std::string &merger) {
const std::function<std::string()> &dfunc1 = val1.desc_function_;
const std::function<std::string()> &dfunc2 = val2.desc_function_;
desc_function_ = [=]() {
std::string f1 = dfunc1();
std::string f2 = dfunc2();
if((f1.empty()) || (f2.empty())) {
return f1 + f2;
}
return std::string(1, '(') + f1 + ')' + merger + '(' + f2 + ')';
};
}
namespace detail {
#if defined CLI11_HAS_FILESYSTEM && CLI11_HAS_FILESYSTEM > 0
CLI11_INLINE path_type check_path(const char *file) noexcept {
std::error_code ec;
auto stat = std::filesystem::status(file, ec);
if(ec) {
return path_type::nonexistent;
}
switch(stat.type()) {
case std::filesystem::file_type::none:
case std::filesystem::file_type::not_found:
return path_type::nonexistent;
case std::filesystem::file_type::directory:
return path_type::directory;
case std::filesystem::file_type::symlink:
case std::filesystem::file_type::block:
case std::filesystem::file_type::character:
case std::filesystem::file_type::fifo:
case std::filesystem::file_type::socket:
case std::filesystem::file_type::regular:
case std::filesystem::file_type::unknown:
default:
return path_type::file;
}
}
#else
CLI11_INLINE path_type check_path(const char *file) noexcept {
#if defined(_MSC_VER)
struct __stat64 buffer;
if(_stat64(file, &buffer) == 0) {
return ((buffer.st_mode & S_IFDIR) != 0) ? path_type::directory : path_type::file;
}
#else
struct stat buffer;
if(stat(file, &buffer) == 0) {
return ((buffer.st_mode & S_IFDIR) != 0) ? path_type::directory : path_type::file;
}
#endif
return path_type::nonexistent;
}
#endif
CLI11_INLINE ExistingFileValidator::ExistingFileValidator() : Validator("FILE") {
func_ = [](std::string &filename) {
auto path_result = check_path(filename.c_str());
if(path_result == path_type::nonexistent) {
return "File does not exist: " + filename;
}
if(path_result == path_type::directory) {
return "File is actually a directory: " + filename;
}
return std::string();
};
}
CLI11_INLINE ExistingDirectoryValidator::ExistingDirectoryValidator() : Validator("DIR") {
func_ = [](std::string &filename) {
auto path_result = check_path(filename.c_str());
if(path_result == path_type::nonexistent) {
return "Directory does not exist: " + filename;
}
if(path_result == path_type::file) {
return "Directory is actually a file: " + filename;
}
return std::string();
};
}
CLI11_INLINE ExistingPathValidator::ExistingPathValidator() : Validator("PATH(existing)") {
func_ = [](std::string &filename) {
auto path_result = check_path(filename.c_str());
if(path_result == path_type::nonexistent) {
return "Path does not exist: " + filename;
}
return std::string();
};
}
CLI11_INLINE NonexistentPathValidator::NonexistentPathValidator() : Validator("PATH(non-existing)") {
func_ = [](std::string &filename) {
auto path_result = check_path(filename.c_str());
if(path_result != path_type::nonexistent) {
return "Path already exists: " + filename;
}
return std::string();
};
}
CLI11_INLINE IPV4Validator::IPV4Validator() : Validator("IPV4") {
func_ = [](std::string &ip_addr) {
auto result = CLI::detail::split(ip_addr, '.');
if(result.size() != 4) {
return std::string("Invalid IPV4 address must have four parts (") + ip_addr + ')';
}
int num = 0;
for(const auto &var : result) {
bool retval = detail::lexical_cast(var, num);
if(!retval) {
return std::string("Failed parsing number (") + var + ')';
}
if(num < 0 || num > 255) {
return std::string("Each IP number must be between 0 and 255 ") + var;
}
}
return std::string();
};
}
} // namespace detail
CLI11_INLINE FileOnDefaultPath::FileOnDefaultPath(std::string default_path, bool enableErrorReturn)
: Validator("FILE") {
func_ = [default_path, enableErrorReturn](std::string &filename) {
auto path_result = detail::check_path(filename.c_str());
if(path_result == detail::path_type::nonexistent) {
std::string test_file_path = default_path;
if(default_path.back() != '/' && default_path.back() != '\\') {
// Add folder separator
test_file_path += '/';
}
test_file_path.append(filename);
path_result = detail::check_path(test_file_path.c_str());
if(path_result == detail::path_type::file) {
filename = test_file_path;
} else {
if(enableErrorReturn) {
return "File does not exist: " + filename;
}
}
}
return std::string{};
};
}
CLI11_INLINE AsSizeValue::AsSizeValue(bool kb_is_1000) : AsNumberWithUnit(get_mapping(kb_is_1000)) {
if(kb_is_1000) {
description("SIZE [b, kb(=1000b), kib(=1024b), ...]");
} else {
description("SIZE [b, kb(=1024b), ...]");
}
}
CLI11_INLINE std::map<std::string, AsSizeValue::result_t> AsSizeValue::init_mapping(bool kb_is_1000) {
std::map<std::string, result_t> m;
result_t k_factor = kb_is_1000 ? 1000 : 1024;
result_t ki_factor = 1024;
result_t k = 1;
result_t ki = 1;
m["b"] = 1;
for(std::string p : {"k", "m", "g", "t", "p", "e"}) {
k *= k_factor;
ki *= ki_factor;
m[p] = k;
m[p + "b"] = k;
m[p + "i"] = ki;
m[p + "ib"] = ki;
}
return m;
}
CLI11_INLINE std::map<std::string, AsSizeValue::result_t> AsSizeValue::get_mapping(bool kb_is_1000) {
if(kb_is_1000) {
static auto m = init_mapping(true);
return m;
}
static auto m = init_mapping(false);
return m;
}
namespace detail {
CLI11_INLINE std::pair<std::string, std::string> split_program_name(std::string commandline) {
// try to determine the programName
std::pair<std::string, std::string> vals;
trim(commandline);
auto esp = commandline.find_first_of(' ', 1);
while(detail::check_path(commandline.substr(0, esp).c_str()) != path_type::file) {
esp = commandline.find_first_of(' ', esp + 1);
if(esp == std::string::npos) {
// if we have reached the end and haven't found a valid file just assume the first argument is the
// program name
if(commandline[0] == '"' || commandline[0] == '\'' || commandline[0] == '`') {
bool embeddedQuote = false;
auto keyChar = commandline[0];
auto end = commandline.find_first_of(keyChar, 1);
while((end != std::string::npos) && (commandline[end - 1] == '\\')) { // deal with escaped quotes
end = commandline.find_first_of(keyChar, end + 1);
embeddedQuote = true;
}
if(end != std::string::npos) {
vals.first = commandline.substr(1, end - 1);
esp = end + 1;
if(embeddedQuote) {
vals.first = find_and_replace(vals.first, std::string("\\") + keyChar, std::string(1, keyChar));
}
} else {
esp = commandline.find_first_of(' ', 1);
}
} else {
esp = commandline.find_first_of(' ', 1);
}
break;
}
}
if(vals.first.empty()) {
vals.first = commandline.substr(0, esp);
rtrim(vals.first);
}
// strip the program name
vals.second = (esp < commandline.length() - 1) ? commandline.substr(esp + 1) : std::string{};
ltrim(vals.second);
return vals;
}
} // namespace detail
/// @}
// [CLI11:validators_inl_hpp:end]
} // namespace CLI