53 std::string
group_ = std::string(
"Options");
80 template <
typename T>
void copy_to(T *other)
const {
96 CRTP *
group(
const std::string &name) {
101 return static_cast<CRTP *
>(
this);
107 return static_cast<CRTP *
>(
this);
115 return static_cast<CRTP *
>(
this);
151 auto self =
static_cast<CRTP *
>(
this);
158 auto self =
static_cast<CRTP *
>(
this);
165 auto self =
static_cast<CRTP *
>(
this);
172 auto self =
static_cast<CRTP *
>(
this);
179 auto self =
static_cast<CRTP *
>(
this);
180 self->delimiter_ = delim;
188 return static_cast<CRTP *
>(
this);
194 return static_cast<CRTP *
>(
this);
279 std::function<std::string()>
type_name_{[]() {
return std::string(); }};
406 value_min = -value_min;
412 if(value_max < value_min) {
459 if(!validator_name.empty())
466 std::string Validator_description =
"",
467 std::string Validator_name =
"") {
468 validators_.emplace_back(
Validator, std::move(Validator_description), std::move(Validator_name));
476 if(!Validator_name.empty())
483 std::string transform_description =
"",
484 std::string transform_name =
"") {
487 [func](std::string &val) {
489 return std::string{};
491 std::move(transform_description),
492 std::move(transform_name)));
500 [func](std::string &inout) {
502 return std::string{};
514 if((Validator_name.empty()) && (!
validators_.empty())) {
517 throw OptionNotFound(std::string{
"Validator "} + Validator_name +
" Not Found");
523 if(index >= 0 && index <
static_cast<int>(
validators_.size())) {
539 auto opt =
static_cast<T *
>(
parent_)->get_option_no_throw(opt_name);
541 throw IncorrectConstruction::MissingOption(opt_name);
547 template <
typename A,
typename B,
typename... ARG>
Option *
needs(A opt, B opt1, ARG... args) {
549 return needs(opt1, args...);
554 auto iterator = std::find(std::begin(
needs_), std::end(
needs_), opt);
556 if(iterator == std::end(
needs_)) {
581 auto opt =
static_cast<T *
>(
parent_)->get_option_no_throw(opt_name);
583 throw IncorrectConstruction::MissingOption(opt_name);
589 template <
typename A,
typename B,
typename... ARG>
Option *
excludes(A opt, B opt1, ARG... args) {
618 auto *parent =
static_cast<T *
>(
parent_);
619 for(
const Option_p &opt : parent->options_) {
620 if(opt.get() ==
this) {
623 auto &omatch = opt->matching_name(*
this);
624 if(!omatch.empty()) {
643 auto *parent =
static_cast<T *
>(
parent_);
644 for(
const Option_p &opt : parent->options_) {
645 if(opt.get() ==
this) {
648 auto &omatch = opt->matching_name(*
this);
649 if(!omatch.empty()) {
651 throw OptionAlreadyAdded(
"adding ignore underscore caused a name conflict with " + omatch);
783 bool all_options =
false
790 std::vector<std::string> name_list;
794 name_list.push_back(
pname_);
797 for(
const std::string &sname :
snames_) {
798 name_list.push_back(
"-" + sname);
804 for(
const std::string &lname :
lnames_) {
805 name_list.push_back(
"--" + lname);
811 for(
const std::string &sname :
snames_)
812 name_list.push_back(
"-" + sname);
814 for(
const std::string &lname :
lnames_)
815 name_list.push_back(
"--" + lname);
827 return std::string(2,
'-') +
lnames_[0];
831 return std::string(1,
'-') +
snames_[0];
861 bool local_result =
callback_(send_results);
870 static const std::string estring;
871 for(
const std::string &sname :
snames_)
874 for(
const std::string &lname :
lnames_)
880 for(
const std::string &sname : other.
snames_)
883 for(
const std::string &lname : other.
lnames_)
895 if(name.length() > 2 && name[0] ==
'-' && name[1] ==
'-')
897 if(name.length() > 1 && name.front() ==
'-')
900 std::string local_pname =
pname_;
901 std::string local_name = name;
910 if(local_name == local_pname) {
942 std::string
get_flag_value(
const std::string &name, std::string input_value)
const {
943 static const std::string trueString{
"true"};
944 static const std::string falseString{
"false"};
945 static const std::string emptyString{
"{}"};
948 if(!((input_value.empty()) || (input_value == emptyString))) {
950 if(default_ind >= 0) {
953 throw(ArgumentMismatch::FlagOverride(name));
956 if(input_value != trueString) {
957 throw(ArgumentMismatch::FlagOverride(name));
963 if((input_value.empty()) || (input_value == emptyString)) {
976 return (val == 1) ? falseString : (val == (-1) ? trueString :
std::to_string(-val));
977 }
catch(
const std::invalid_argument &) {
987 _add_result(std::move(s),
results_);
994 results_added = _add_result(std::move(s),
results_);
1002 for(
auto &str : s) {
1003 _add_result(std::move(str),
results_);
1017 _validate_results(res);
1021 _reduce_results(extra, res);
1022 if(!extra.empty()) {
1023 res = std::move(extra);
1031 template <
typename T>
void results(T &output)
const {
1035 retval = detail::lexical_conversion<T, T>(res, output);
1042 _validate_results(res);
1044 _reduce_results(extra, res);
1045 if(!extra.empty()) {
1046 res = std::move(extra);
1054 retval = detail::lexical_conversion<T, T>(res, output);
1062 template <
typename T> T
as()
const {
1089 if(option_type_size < 0) {
1108 if(option_type_size_min < 0 || option_type_size_max < 0) {
1111 option_type_size_min = (std::abs)(option_type_size_min);
1112 option_type_size_max = (std::abs)(option_type_size_max);
1115 if(option_type_size_min > option_type_size_max) {
1188 if(!vtype.empty()) {
1189 full_type_name +=
":" + vtype;
1193 return full_type_name;
1198 void _validate_results(
results_t &res)
const {
1209 for(std::string &result : res) {
1214 auto err_msg = _validate(result, (index >= 0) ? (index %
type_size_max_) : index);
1215 if(!err_msg.empty())
1226 for(std::string &result : res) {
1227 auto err_msg = _validate(result, index);
1229 if(!err_msg.empty())
1251 std::size_t trim_size = std::min<std::size_t>(
1253 if(original.size() != trim_size) {
1254 res.assign(original.end() -
static_cast<results_t::difference_type
>(trim_size), original.end());
1258 std::size_t trim_size = std::min<std::size_t>(
1260 if(original.size() != trim_size) {
1261 res.assign(original.begin(), original.begin() +
static_cast<results_t::difference_type
>(trim_size));
1279 if(original.size() < num_min) {
1280 throw ArgumentMismatch::AtLeast(
get_name(),
static_cast<int>(num_min), original.size());
1282 if(original.size() > num_max) {
1283 throw ArgumentMismatch::AtMost(
get_name(),
static_cast<int>(num_max), original.size());
1291 std::string _validate(std::string &result,
int index)
const {
1292 std::string err_msg;
1298 auto v = vali.get_application_index();
1299 if(v == -1 || v == index) {
1301 err_msg = vali(result);
1302 }
catch(
const ValidationError &err) {
1303 err_msg = err.what();
1305 if(!err_msg.empty())
1314 int _add_result(std::string &&result, std::vector<std::string> &res)
const {
1315 int result_count = 0;
1317 result.back() ==
']') {
1322 result_count += _add_result(std::move(var), res);
1325 return result_count;
1328 res.push_back(std::move(result));
1331 if((result.find_first_of(
delimiter_) != std::string::npos)) {
1339 res.push_back(std::move(result));
1343 return result_count;
Creates a command line program, with very few defaults.
Definition: App.hpp:69
Thrown when conversion call back fails, such as when an int fails to coerce to a string.
Definition: Error.hpp:196
All errors derive from this one.
Definition: Error.hpp:70
Thrown when an option is set to conflicting values (non-vector and multi args, for example)
Definition: Error.hpp:93
Thrown when an option already exists.
Definition: Error.hpp:135
Definition: Option.hpp:48
bool get_disable_flag_override() const
The status of configurable.
Definition: Option.hpp:136
bool get_ignore_case() const
The status of ignore case.
Definition: Option.hpp:127
bool get_configurable() const
The status of configurable.
Definition: Option.hpp:133
bool always_capture_default_
Automatically capture default value.
Definition: Option.hpp:74
MultiOptionPolicy multi_option_policy_
Policy for handling multiple arguments beyond the expected Max.
Definition: Option.hpp:77
bool get_ignore_underscore() const
The status of ignore_underscore.
Definition: Option.hpp:130
const std::string & get_group() const
Get the group of this option.
Definition: Option.hpp:121
CRTP * required(bool value=true)
Set the option as required.
Definition: Option.hpp:105
CRTP * join()
Set the multi option policy to join.
Definition: Option.hpp:171
CRTP * always_capture_default(bool value=true)
Definition: Option.hpp:113
CRTP * group(const std::string &name)
Changes the group membership.
Definition: Option.hpp:96
CRTP * take_all()
Set the multi option policy to take all arguments.
Definition: Option.hpp:164
bool ignore_case_
Ignore the case when matching (option, not value)
Definition: Option.hpp:59
MultiOptionPolicy get_multi_option_policy() const
The status of the multi option policy.
Definition: Option.hpp:145
CRTP * mandatory(bool value=true)
Support Plumbum term.
Definition: Option.hpp:111
bool configurable_
Allow this option to be given in a configuration file.
Definition: Option.hpp:65
CRTP * take_last()
Set the multi option policy to take last.
Definition: Option.hpp:150
bool get_required() const
True if this is a required option.
Definition: Option.hpp:124
bool disable_flag_override_
Disable overriding flag values with '=value'.
Definition: Option.hpp:68
bool required_
True if this is a required option.
Definition: Option.hpp:56
CRTP * take_first()
Set the multi option policy to take last.
Definition: Option.hpp:157
char delimiter_
Specify a delimiter character for vector arguments.
Definition: Option.hpp:71
bool get_always_capture_default() const
Return true if this will automatically capture the default value for help printing.
Definition: Option.hpp:142
std::string group_
The group membership.
Definition: Option.hpp:53
char get_delimiter() const
Get the current delimiter char.
Definition: Option.hpp:139
CRTP * join(char delim)
Set the multi option policy to join with a specific delimiter.
Definition: Option.hpp:178
CRTP * delimiter(char value='\0')
Allow in a configuration file.
Definition: Option.hpp:192
bool ignore_underscore_
Ignore underscores when matching (option, not value)
Definition: Option.hpp:62
void copy_to(T *other) const
Copy the contents to another similar class (one based on OptionBase)
Definition: Option.hpp:80
CRTP * configurable(bool value=true)
Allow in a configuration file.
Definition: Option.hpp:186
Definition: Option.hpp:200
OptionDefaults * delimiter(char value='\0')
set a delimiter character to split up single arguments to treat as multiple inputs
Definition: Option.hpp:231
OptionDefaults * disable_flag_override(bool value=true)
Disable overriding flag values with an '=' segment.
Definition: Option.hpp:225
OptionDefaults * ignore_underscore(bool value=true)
Ignore underscores in the option name.
Definition: Option.hpp:219
OptionDefaults * ignore_case(bool value=true)
Ignore the case of the option name.
Definition: Option.hpp:213
OptionDefaults * multi_option_policy(MultiOptionPolicy value=MultiOptionPolicy::Throw)
Take the last argument if given multiple times.
Definition: Option.hpp:207
Thrown when counting a non-existent option.
Definition: Error.hpp:340
Definition: Option.hpp:237
Option * option_text(std::string text)
Definition: Option.hpp:767
Option * type_name_fn(std::function< std::string()> typefun)
Set the type function to run when displayed on this option.
Definition: Option.hpp:1076
int get_type_size_max() const
The maximum number of arguments the option expects.
Definition: Option.hpp:689
Option * trigger_on_parse(bool value=true)
Set the value of trigger_on_parse which specifies that the option callback should be triggered on eve...
Definition: Option.hpp:431
std::size_t count() const
Count the total number of times an option was passed.
Definition: Option.hpp:363
std::string default_str_
A human readable default value, either manually set, captured, or captured by default.
Definition: Option.hpp:271
bool run_callback_for_default_
Control option to run the callback to set the default.
Definition: Option.hpp:340
int get_expected_min() const
The number of times the option expects to be included.
Definition: Option.hpp:734
bool get_run_callback_for_default() const
Get the current value of run_callback_for_default.
Definition: Option.hpp:453
std::function< std::string()> type_name_
Definition: Option.hpp:279
int get_expected_max() const
The max number of times the option expects to be included.
Definition: Option.hpp:736
option_state
enumeration for the option state machine
Definition: Option.hpp:327
@ reduced
a subset of results has been generated
@ callback_run
the callback has been executed
@ validated
the results have been validated
@ parsing
The option is currently collecting parsed results.
option_state current_option_state_
Whether the callback has run (needed for INI parsing)
Definition: Option.hpp:334
std::string option_text_
If given, replace the text that describes the option type and usage in the help text.
Definition: Option.hpp:274
int type_size_min_
The minimum number of arguments an option should be expecting.
Definition: Option.hpp:292
bool get_trigger_on_parse() const
The status of trigger on parse.
Definition: Option.hpp:436
Option * needs(Option *opt)
Sets required options.
Definition: Option.hpp:530
int get_expected() const
The number of times the option expects to be included.
Definition: Option.hpp:731
std::string pname_
A positional name.
Definition: Option.hpp:258
results_t reduced_results() const
Get a copy of the results.
Definition: Option.hpp:1012
int expected_min_
The minimum number of expected values.
Definition: Option.hpp:295
Option(std::string option_name, std::string option_description, callback_t callback, App *parent)
Making an option by hand is not defined, it must be made by the App class.
Definition: Option.hpp:350
Option * default_function(const std::function< std::string()> &func)
Set a capture function for the default. Mostly used by App.
Definition: Option.hpp:1135
Option * add_result(std::vector< std::string > s)
Puts a result at the end.
Definition: Option.hpp:1000
int get_type_size_min() const
The minimum number of arguments the option expects.
Definition: Option.hpp:687
std::string get_default_str() const
The default value (for help printing)
Definition: Option.hpp:704
std::set< Option * > needs_
A list of options that are required with this option.
Definition: Option.hpp:303
Option * run_callback_for_default(bool value=true)
Definition: Option.hpp:448
bool remove_excludes(Option *opt)
Remove needs link from an option. Returns true if the option really was in the needs list.
Definition: Option.hpp:595
Option * type_size(int option_type_size_min, int option_type_size_max)
Set a custom option type size range.
Definition: Option.hpp:1107
const std::vector< std::string > & get_lnames() const
Get the long names.
Definition: Option.hpp:710
Option * default_str(std::string val)
Set the default value string representation (does not change the contained value)
Definition: Option.hpp:1149
Option * transform(Validator Validator, const std::string &Validator_name="")
Adds a transforming Validator with a built in type name.
Definition: Option.hpp:474
Option * default_val(const X &val)
Definition: Option.hpp:1156
bool trigger_on_result_
flag indicating that the option should trigger the validation and callback chain on each result when ...
Definition: Option.hpp:344
bool flag_like_
Specify that the option should act like a flag vs regular option.
Definition: Option.hpp:338
bool check_lname(std::string name) const
Requires "--" to be removed from string.
Definition: Option.hpp:928
Option * type_size(int option_type_size)
Set a custom option size.
Definition: Option.hpp:1088
std::set< Option * > excludes_
A list of options that are excluded with this option.
Definition: Option.hpp:306
Validator * get_validator(int index)
Get a Validator by index NOTE: this may not be the order of definition.
Definition: Option.hpp:521
std::set< Option * > get_needs() const
The set of options needed.
Definition: Option.hpp:698
bool force_callback_
flag indicating that the option should force the callback regardless if any results present
Definition: Option.hpp:346
bool check_fname(std::string name) const
Requires "--" to be removed from string.
Definition: Option.hpp:933
std::string get_flag_value(const std::string &name, std::string input_value) const
Definition: Option.hpp:942
std::vector< std::string > fnames_
a list of flag names with specified default values;
Definition: Option.hpp:255
const std::vector< std::string > & get_fnames() const
Get the flag names with specified default values.
Definition: Option.hpp:716
const results_t & results() const
Get the current complete results set.
Definition: Option.hpp:1009
Option * force_callback(bool value=true)
Set the value of force_callback.
Definition: Option.hpp:439
bool has_description() const
True if option has description.
Definition: Option.hpp:756
bool check_name(const std::string &name) const
Check a name. Requires "-" or "--" for short / long, supports positional name.
Definition: Option.hpp:893
Option(const Option &)=delete
bool get_force_callback() const
The status of force_callback.
Definition: Option.hpp:444
Option * excludes(A opt, B opt1, ARG... args)
Any number supported, any mix of string and Opt.
Definition: Option.hpp:589
bool get_allow_extra_args() const
Get the current value of allow extra args.
Definition: Option.hpp:429
Option * add_result(std::string s, int &results_added)
Puts a result at the end and get a count of the number of arguments actually added.
Definition: Option.hpp:993
std::vector< std::string > snames_
A list of the short names (-a) without the leading dashes.
Definition: Option.hpp:245
results_t proc_results_
results after reduction
Definition: Option.hpp:325
Option * add_result(std::string s)
Puts a result at the end.
Definition: Option.hpp:986
void inject_separator(bool value=true)
Set the value of the separator injection flag.
Definition: Option.hpp:1132
const std::string & get_single_name() const
Get a single name for the option, first of lname, pname, sname, envname.
Definition: Option.hpp:718
int get_type_size() const
The number of arguments the option expects.
Definition: Option.hpp:684
callback_t get_callback() const
Get the callback function.
Definition: Option.hpp:707
std::string get_type_name() const
Get the full typename for this option.
Definition: Option.hpp:1183
App * parent_
link back up to the parent App for fallthrough
Definition: Option.hpp:313
bool nonpositional() const
True if option has at least one non-positional name.
Definition: Option.hpp:753
Option * excludes(Option *opt)
Sets excluded options.
Definition: Option.hpp:564
int expected_max_
The maximum number of expected values.
Definition: Option.hpp:297
std::string get_envname() const
The environment variable associated to this value.
Definition: Option.hpp:695
Option * capture_default_str()
Capture the default value from the original value (if it can be captured)
Definition: Option.hpp:1141
const std::string & matching_name(const Option &other) const
If options share any of the same names, find it.
Definition: Option.hpp:869
int get_items_expected_max() const
Get the maximum number of items expected to be returned and used for the callback.
Definition: Option.hpp:742
Option * envname(std::string name)
Sets environment variable to read if no option given.
Definition: Option.hpp:606
int get_inject_separator() const
Return the inject_separator flag.
Definition: Option.hpp:692
Option * allow_extra_args(bool value=true)
Definition: Option.hpp:424
Option * multi_option_policy(MultiOptionPolicy value=MultiOptionPolicy::Throw)
Take the last argument if given multiple times (or another policy)
Definition: Option.hpp:661
std::string description_
The description for help strings.
Definition: Option.hpp:268
Option * ignore_case(bool value=true)
Definition: Option.hpp:615
bool inject_separator_
flag indicating a separator needs to be injected after each argument call
Definition: Option.hpp:342
bool remove_needs(Option *opt)
Remove needs link from an option. Returns true if the option really was in the needs list.
Definition: Option.hpp:553
bool get_callback_run() const
See if the callback has been run already.
Definition: Option.hpp:1069
T as() const
Return the results as the specified type.
Definition: Option.hpp:1062
void run_callback()
Process the callback.
Definition: Option.hpp:842
callback_t callback_
Options store a callback to do all the work.
Definition: Option.hpp:316
Option * needs(std::string opt_name)
Can find a string if needed.
Definition: Option.hpp:538
std::string get_name(bool positional=false, bool all_options=false) const
Gets a comma separated list of names. Will include / prefer the positional name if positional is true...
Definition: Option.hpp:782
Option & operator=(const Option &)=delete
void clear()
Clear the parsed results (mostly for testing)
Definition: Option.hpp:372
Option * check(std::function< std::string(const std::string &)> Validator, std::string Validator_description="", std::string Validator_name="")
Adds a Validator. Takes a const string& and returns an error message (empty if conversion/check is ok...
Definition: Option.hpp:465
Option * description(std::string option_description)
Set the description.
Definition: Option.hpp:762
Option * disable_flag_override(bool value=true)
Disable flag overrides values, e.g. –flag=is not allowed.
Definition: Option.hpp:675
Option * needs(A opt, B opt1, ARG... args)
Any number supported, any mix of string and Opt.
Definition: Option.hpp:547
void results(T &output) const
Get the results as a specified type.
Definition: Option.hpp:1031
Option * expected(int value_min, int value_max)
Set the range of expected arguments.
Definition: Option.hpp:404
const std::vector< std::string > & get_snames() const
Get the short names.
Definition: Option.hpp:713
bool get_positional() const
True if the argument can be given directly.
Definition: Option.hpp:750
std::string envname_
If given, check the environment for this option.
Definition: Option.hpp:261
std::function< std::string()> default_function_
Run this function to capture a default (ignore if empty)
Definition: Option.hpp:282
const std::string & get_option_text() const
Definition: Option.hpp:772
Option * transform(const std::function< std::string(std::string)> &func, std::string transform_description="", std::string transform_name="")
Adds a Validator-like function that can change result.
Definition: Option.hpp:482
bool check_sname(std::string name) const
Requires "-" to be removed from string.
Definition: Option.hpp:923
Validator * get_validator(const std::string &Validator_name="")
Get a named Validator.
Definition: Option.hpp:508
std::vector< std::pair< std::string, std::string > > default_flag_values_
Definition: Option.hpp:252
std::vector< Validator > validators_
A list of Validators to run on each value parsed.
Definition: Option.hpp:300
const std::string & get_description() const
Get the description.
Definition: Option.hpp:759
int type_size_max_
Definition: Option.hpp:290
bool allow_extra_args_
Specify that extra args beyond type_size_max should be allowed.
Definition: Option.hpp:336
Option * type_name(std::string typeval)
Set a custom option typestring.
Definition: Option.hpp:1082
std::vector< std::string > lnames_
A list of the long names (--long) without the leading dashes.
Definition: Option.hpp:248
Option * excludes(std::string opt_name)
Can find a string if needed.
Definition: Option.hpp:580
bool operator==(const Option &other) const
If options share any of the same names, they are equal (not counting positional)
Definition: Option.hpp:890
Option * each(const std::function< void(std::string)> &func)
Adds a user supplied function to run on each item passed in (communicate though lambda capture)
Definition: Option.hpp:498
std::set< Option * > get_excludes() const
The set of options excluded.
Definition: Option.hpp:701
Option * check(Validator validator, const std::string &validator_name="")
Adds a Validator with a built in type name.
Definition: Option.hpp:456
Option * ignore_underscore(bool value=true)
Definition: Option.hpp:639
results_t results_
complete Results of parsing
Definition: Option.hpp:323
bool empty() const
True if the option was not passed.
Definition: Option.hpp:366
Option * expected(int value)
Set the number of expected arguments.
Definition: Option.hpp:382
int get_items_expected_min() const
The total min number of expected string values to be used.
Definition: Option.hpp:739
int get_items_expected() const
The total min number of expected string values to be used.
Definition: Option.hpp:747
Some validators that are provided.
Definition: Validators.hpp:77
std::string get_description() const
Generate type description information for the Validator.
Definition: Validators.hpp:141
const std::string & get_name() const
Get the name of the Validator.
Definition: Validators.hpp:159
Validator & non_modifying(bool no_modify=true)
Specify whether the Validator can be modifying or not.
Definition: Validators.hpp:173
auto to_string(T &&value) -> decltype(std::forward< T >(value))
Convert an object to a string (directly forward if this can become a string)
Definition: TypeTools.hpp:269
std::tuple< std::vector< std::string >, std::vector< std::string >, std::string > get_names(const std::vector< std::string > &input)
Get a vector of short names, one of long names, and a single name.
Definition: Split.hpp:107
std::ptrdiff_t find_member(std::string name, const std::vector< std::string > names, bool ignore_case=false, bool ignore_underscore=false)
Check if a string is a member of a list of strings and optionally ignore case or ignore underscores.
Definition: StringTools.hpp:304
std::string remove_underscore(std::string str)
remove underscores from a string
Definition: StringTools.hpp:267
bool is_separator(const std::string &str)
check if a string is a container segment separator (empty or "%%")
Definition: StringTools.hpp:248
constexpr int expected_max_vector_size
Definition: StringTools.hpp:43
std::vector< std::string > split(const std::string &s, char delim)
Split a string by a delim.
Definition: StringTools.hpp:46
std::string join(const T &v, std::string delim=",")
Simple function to join a string.
Definition: StringTools.hpp:63
std::vector< std::string > split_names(std::string current)
Definition: Split.hpp:67
std::enable_if< std::is_integral< T >::value, bool >::type checked_multiply(T &a, T b)
Performs a *= b; if it doesn't cause integer overflow. Returns false otherwise.
Definition: Validators.hpp:645
bool valid_alias_name_string(const std::string &str)
Verify an app name.
Definition: StringTools.hpp:242
std::string to_lower(std::string str)
Return a lower case version of a string.
Definition: StringTools.hpp:259
std::int64_t to_flag_value(std::string val)
Convert a flag into an integer value typically binary flags.
Definition: TypeTools.hpp:815
std::unique_ptr< Option > Option_p
Definition: Option.hpp:36
std::vector< std::string > results_t
Definition: Option.hpp:29
MultiOptionPolicy
Enumeration of the multiOption Policy selection.
Definition: Option.hpp:38
@ TakeAll
just get all the passed argument regardless
@ TakeFirst
take only the first Expected number of arguments
@ Throw
Throw an error if any extra arguments were given.
@ TakeLast
take only the last Expected number of arguments
@ Join
merge all the arguments together into a single string via the delimiter character default(' ')
std::function< bool(const results_t &)> callback_t
callback function definition
Definition: Option.hpp:31