31#if defined CLI11_HAS_FILESYSTEM && CLI11_HAS_FILESYSTEM > 0
62 std::function<std::string(std::string &)>
func_{[](std::string &) {
return std::string{}; }};
72 Validator(std::string validator_desc, std::function<std::string(std::string &)> func)
80 Validator(std::function<std::string(std::string &)> op, std::string validator_desc, std::string validator_name =
"")
82 name_(std::move(validator_name)) {}
85 func_ = std::move(op);
95 std::string value = str;
112 return std::string{};
116 name_ = std::move(validator_name);
122 newval.
name_ = std::move(validator_name);
175 void _merge_description(
const Validator &val1,
const Validator &val2,
const std::string &merger);
254 :
Validator(validator_name, [](std::string &input_string) {
256 auto val = DesiredType();
258 return std::string(
"Failed parsing ") + input_string +
" as a " + detail::type_name<DesiredType>();
260 return std::string();
282 template <
typename T>
283 Range(T min_val, T max_val,
const std::string &validator_name = std::string{}) :
Validator(validator_name) {
284 if(validator_name.empty()) {
285 std::stringstream out;
286 out << detail::type_name<T>() <<
" in [" << min_val <<
" - " << max_val <<
"]";
290 func_ = [min_val, max_val](std::string &input) {
294 if((!converted) || (val < min_val || val > max_val)) {
295 std::stringstream out;
296 out <<
"Value " << input <<
" not in range [";
297 out << min_val <<
" - " << max_val <<
"]";
300 return std::string{};
305 template <
typename T>
306 explicit Range(T max_val,
const std::string &validator_name = std::string{})
307 :
Range(
static_cast<T
>(0), max_val, validator_name) {}
314const Range PositiveNumber((std::numeric_limits<double>::min)(), (std::numeric_limits<double>::max)(),
"POSITIVE");
323 template <
typename T>
Bound(T min_val, T max_val) {
324 std::stringstream out;
325 out << detail::type_name<T>() <<
" bounded to [" << min_val <<
" - " << max_val <<
"]";
328 func_ = [min_val, max_val](std::string &input) {
333 return std::string(
"Value ") + input +
" could not be converted";
337 else if(val > max_val)
340 return std::string{};
345 template <
typename T>
explicit Bound(T max_val) :
Bound(static_cast<T>(0), max_val) {}
365 std::string out(1,
'{');
375template <
typename T> std::string
generate_map(
const T &map,
bool key_only =
false) {
378 std::string out(1,
'{');
381 [key_only](
const iteration_type_t &v) {
396 template <
typename CC,
typename VV>
397 static auto test(
int) ->
decltype(std::declval<CC>().find(std::declval<VV>()), std::true_type());
398 template <
typename,
typename>
static auto test(...) ->
decltype(std::false_type());
401 using type = std::integral_constant<bool, value>;
409 auto it = std::find_if(std::begin(setref), std::end(setref), [&val](
decltype(*std::begin(setref)) v) {
412 return {(it != std::end(setref)), it};
419 auto it = setref.find(val);
420 return {(it != std::end(setref)), it};
424template <
typename T,
typename V>
425auto search(
const T &set,
const V &val,
const std::function<V(V)> &filter_function)
429 auto res =
search(set, val);
430 if((res.first) || (!(filter_function))) {
435 auto it = std::find_if(std::begin(setref), std::end(setref), [&](
decltype(*std::begin(setref)) v) {
437 a = filter_function(a);
440 return {(it != std::end(setref)), it};
448inline typename std::enable_if<std::is_signed<T>::value, T>::type
overflowCheck(
const T &a,
const T &b) {
449 if((a > 0) == (b > 0)) {
450 return ((std::numeric_limits<T>::max)() / (std::abs)(a) < (std::abs)(b));
452 return ((std::numeric_limits<T>::min)() / (std::abs)(a) > -(std::abs)(b));
456inline typename std::enable_if<!std::is_signed<T>::value, T>::type
overflowCheck(
const T &a,
const T &b) {
457 return ((std::numeric_limits<T>::max)() / a < b);
461template <
typename T>
typename std::enable_if<std::is_integral<T>::value,
bool>::type
checked_multiply(T &a, T b) {
462 if(a == 0 || b == 0 || a == 1 || b == 1) {
466 if(a == (std::numeric_limits<T>::min)() || b == (std::numeric_limits<T>::min)()) {
478typename std::enable_if<std::is_floating_point<T>::value,
bool>::type
checked_multiply(T &a, T b) {
480 if(std::isinf(c) && !std::isinf(a) && !std::isinf(b)) {
494 template <
typename T,
typename... Args>
495 IsMember(std::initializer_list<T> values, Args &&...args)
496 :
IsMember(std::vector<T>(values), std::forward<Args>(args)...) {}
499 template <
typename T>
explicit IsMember(T &&set) :
IsMember(std::forward<T>(set), nullptr) {}
503 template <
typename T,
typename F>
explicit IsMember(T set, F filter_function) {
514 std::function<local_item_t(local_item_t)> filter_fn = filter_function;
521 func_ = [set, filter_fn](std::string &input) {
538 return std::string{};
547 template <
typename T,
typename... Args>
550 std::forward<T>(set),
551 [filter_fn_1, filter_fn_2](std::string a) {
return filter_fn_2(filter_fn_1(a)); },
556template <
typename T>
using TransformPairs = std::vector<std::pair<std::string, T>>;
564 template <
typename... Args>
565 Transformer(std::initializer_list<std::pair<std::string, std::string>> values, Args &&...args)
573 template <
typename T,
typename F>
explicit Transformer(T mapping, F filter_function) {
576 "mapping must produce value pairs");
585 std::function<local_item_t(local_item_t)> filter_fn = filter_function;
590 func_ = [mapping, filter_fn](std::string &input) {
594 return std::string();
604 return std::string{};
609 template <
typename T,
typename... Args>
612 std::forward<T>(mapping),
613 [filter_fn_1, filter_fn_2](std::string a) {
return filter_fn_2(filter_fn_1(a)); },
623 template <
typename... Args>
624 CheckedTransformer(std::initializer_list<std::pair<std::string, std::string>> values, Args &&...args)
635 "mapping must produce value pairs");
645 std::function<local_item_t(local_item_t)> filter_fn = filter_function;
647 auto tfunc = [mapping]() {
648 std::string out(
"value in ");
660 func_ = [mapping, tfunc, filter_fn](std::string &input) {
671 return std::string{};
676 if(output_string == input) {
677 return std::string();
681 return "Check " + input +
" " + tfunc() +
" FAILED";
686 template <
typename T,
typename... Args>
689 std::forward<T>(mapping),
690 [filter_fn_1, filter_fn_2](std::string a) {
return filter_fn_2(filter_fn_1(a)); },
702 item.erase(std::remove(std::begin(item), std::end(item),
' '), std::end(item));
703 item.erase(std::remove(std::begin(item), std::end(item),
'\t'), std::end(item));
732 template <
typename Number>
735 const std::string &unit_name =
"UNIT") {
736 description(generate_description<Number>(unit_name, opts));
737 validate_mapping(mapping, opts);
740 func_ = [mapping, opts](std::string &input) -> std::string {
749 auto unit_begin = input.end();
750 while(unit_begin > input.begin() &&
std::isalpha(*(unit_begin - 1), std::locale())) {
754 std::string unit{unit_begin, input.end()};
755 input.resize(
static_cast<std::size_t
>(std::distance(input.begin(), unit_begin)));
767 throw ValidationError(std::string(
"Value ") + input +
" could not be converted to " +
768 detail::type_name<Number>());
775 auto it = mapping.find(unit);
776 if(it == mapping.end()) {
778 " unit not recognized. "
787 throw ValidationError(std::string(
"Value ") + input +
" could not be converted to " +
788 detail::type_name<Number>());
794 " factor would cause number overflow. Use smaller value.");
797 num =
static_cast<Number>(it->second);
809 template <
typename Number>
static void validate_mapping(std::map<std::string, Number> &mapping,
Options opts) {
810 for(
auto &kv : mapping) {
811 if(kv.first.empty()) {
815 throw ValidationError(
"Unit must contain only letters.");
821 std::map<std::string, Number> lower_mapping;
822 for(
auto &kv : mapping) {
824 if(lower_mapping.count(s)) {
825 throw ValidationError(std::string(
"Several matching lowercase unit representations are found: ") +
830 mapping = std::move(lower_mapping);
835 template <
typename Number>
static std::string generate_description(
const std::string &
name,
Options opts) {
836 std::stringstream out;
837 out << detail::type_name<Number>() <<
' ';
841 out <<
'[' <<
name <<
']';
877 static std::map<std::string, result_t> init_mapping(
bool kb_is_1000);
880 static std::map<std::string, result_t> get_mapping(
bool kb_is_1000);
897#include "impl/Validators_inl.hpp"
#define CLI11_INLINE
Definition: Macros.hpp:131
#define CLI11_NODISCARD
Definition: Macros.hpp:49
Definition: Validators.hpp:718
Options
Definition: Validators.hpp:724
@ UNIT_OPTIONAL
Definition: Validators.hpp:727
@ CASE_INSENSITIVE
Definition: Validators.hpp:726
@ DEFAULT
Definition: Validators.hpp:729
@ UNIT_REQUIRED
Definition: Validators.hpp:728
@ CASE_SENSITIVE
Definition: Validators.hpp:725
AsNumberWithUnit(std::map< std::string, Number > mapping, Options opts=DEFAULT, const std::string &unit_name="UNIT")
Definition: Validators.hpp:733
Definition: Validators.hpp:862
AsSizeValue(bool kb_is_1000)
std::uint64_t result_t
Definition: Validators.hpp:864
Produce a bounded range (factory). Min and max are inclusive.
Definition: Validators.hpp:317
Bound(T min_val, T max_val)
Definition: Validators.hpp:323
Bound(T max_val)
Range of one value is 0 to value.
Definition: Validators.hpp:345
Class wrapping some of the accessors of Validator.
Definition: Validators.hpp:179
Definition: Validators.hpp:270
FileOnDefaultPath(std::string default_path, bool enableErrorReturn=true)
Verify items are in a set.
Definition: Validators.hpp:489
IsMember(T &&set)
This checks to see if an item is in a set (empty function)
Definition: Validators.hpp:499
IsMember(T set, F filter_function)
Definition: Validators.hpp:503
IsMember(T &&set, filter_fn_t filter_fn_1, filter_fn_t filter_fn_2, Args &&...other)
You can pass in as many filter functions as you like, they nest (string only currently)
Definition: Validators.hpp:548
IsMember(std::initializer_list< T > values, Args &&...args)
This allows in-place construction using an initializer list.
Definition: Validators.hpp:495
std::function< std::string(std::string)> filter_fn_t
Definition: Validators.hpp:491
Produce a range (factory). Min and max are inclusive.
Definition: Validators.hpp:276
Range(T min_val, T max_val, const std::string &validator_name=std::string{})
Definition: Validators.hpp:283
Range(T max_val, const std::string &validator_name=std::string{})
Range of one value is 0 to value.
Definition: Validators.hpp:306
Validate the input as a particular type.
Definition: Validators.hpp:251
TypeValidator()
Definition: Validators.hpp:262
TypeValidator(const std::string &validator_name)
Definition: Validators.hpp:253
Thrown when validation of results fails.
Definition: Error.hpp:221
Some validators that are provided.
Definition: Validators.hpp:55
CLI11_NODISCARD int get_application_index() const
Get the current value of the application index.
Definition: Validators.hpp:156
int application_index_
A Validator will only apply to an indexed value (-1 is all elements)
Definition: Validators.hpp:66
Validator & non_modifying(bool no_modify=true)
Specify whether the Validator can be modifying or not.
Definition: Validators.hpp:140
Validator & description(std::string validator_desc)
Specify the type string.
Definition: Validators.hpp:100
std::string operator()(const std::string &str) const
Definition: Validators.hpp:94
CLI11_NODISCARD Validator application_index(int app_index) const
Specify the application index of a validator.
Definition: Validators.hpp:150
CLI11_NODISCARD bool get_active() const
Get a boolean if the validator is active.
Definition: Validators.hpp:158
Validator operator&(const Validator &other) const
bool active_
Enable for Validator to allow it to be disabled if need be.
Definition: Validators.hpp:68
bool non_modifying_
specify that a validator should not modify the input
Definition: Validators.hpp:70
Validator(std::string validator_desc)
Construct a Validator with just the description string.
Definition: Validators.hpp:78
Validator(std::string validator_desc, std::function< std::string(std::string &)> func)
Definition: Validators.hpp:72
CLI11_NODISCARD Validator description(std::string validator_desc) const
Specify the type string.
Validator & name(std::string validator_name)
Specify the type string.
Definition: Validators.hpp:115
std::string operator()(std::string &str) const
std::function< std::string()> desc_function_
This is the description function, if empty the description_ will be used.
Definition: Validators.hpp:58
std::function< std::string(std::string &)> func_
Definition: Validators.hpp:62
CLI11_NODISCARD std::string get_description() const
Generate type description information for the Validator.
Definition: Validators.hpp:108
Validator operator!() const
Create a validator that fails when a given validator succeeds.
CLI11_NODISCARD Validator active(bool active_val=true) const
Specify whether the Validator is active or not.
Definition: Validators.hpp:133
CLI11_NODISCARD const std::string & get_name() const
Get the name of the Validator.
Definition: Validators.hpp:126
Validator operator|(const Validator &other) const
Validator & active(bool active_val=true)
Specify whether the Validator is active or not.
Definition: Validators.hpp:128
std::string name_
The name for search purposes of the Validator.
Definition: Validators.hpp:64
CLI11_NODISCARD bool get_modifying() const
Get a boolean if the validator is allowed to modify the input returns true if it can modify the input...
Definition: Validators.hpp:161
CLI11_NODISCARD Validator name(std::string validator_name) const
Specify the type string.
Definition: Validators.hpp:120
Validator & application_index(int app_index)
Specify the application index of a validator.
Definition: Validators.hpp:145
Validator(std::function< std::string(std::string &)> op, std::string validator_desc, std::string validator_name="")
Construct Validator from basic information.
Definition: Validators.hpp:80
Validator & operation(std::function< std::string(std::string &)> op)
Set the Validator operation function.
Definition: Validators.hpp:84
Check for an existing directory (returns error message if check fails)
Definition: Validators.hpp:200
ExistingDirectoryValidator()
Check for an existing file (returns error message if check fails)
Definition: Validators.hpp:194
Check for an existing path.
Definition: Validators.hpp:206
Validate the given string is a legal ipv4 address.
Definition: Validators.hpp:218
Check for an non-existing path.
Definition: Validators.hpp:212
NonexistentPathValidator()
constexpr enabler dummy
An instance to use in EnableIf.
Definition: TypeTools.hpp:39
auto smart_deref(T value) -> decltype(*value)
Definition: Validators.hpp:351
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:312
path_type
CLI enumeration of different file types.
Definition: Validators.hpp:188
std::string generate_map(const T &map, bool key_only=false)
Generate a string representation of a map.
Definition: Validators.hpp:375
std::string remove_underscore(std::string str)
remove underscores from a string
Definition: StringTools.hpp:189
std::enable_if< std::is_signed< T >::value, T >::type overflowCheck(const T &a, const T &b)
Do a check for overflow on signed numbers.
Definition: Validators.hpp:448
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:461
std::string & trim(std::string &str)
Trim whitespace from string.
Definition: StringTools.hpp:111
std::string generate_set(const T &set)
Generate a string representation of a set.
Definition: Validators.hpp:362
std::string value_string(const T &value)
get a string as a convertible value for arithmetic types
Definition: TypeTools.hpp:382
CLI11_INLINE path_type check_path(const char *file) noexcept
get the type of the path from a file name
auto search(const T &set, const V &val) -> std::pair< bool, decltype(std::begin(detail::smart_deref(set)))>
A search function.
Definition: Validators.hpp:406
std::string join(const T &v, std::string delim=",")
Simple function to join a string.
Definition: StringTools.hpp:53
constexpr std::enable_if< I< type_count_base< T >::value, int >::type tuple_type_size() { return subtype_count< typename std::tuple_element< I, T >::type >::value+tuple_type_size< T, I+1 >();}template< typename T > struct type_count< T, typename std::enable_if< is_tuple_like< T >::value >::type > { static constexpr int value{tuple_type_size< T, 0 >()};};template< typename T > struct subtype_count { static constexpr int value{is_mutable_container< T >::value ? expected_max_vector_size :type_count< T >::value};};template< typename T, typename Enable=void > struct type_count_min { static const int value{0};};template< typename T >struct type_count_min< T, typename std::enable_if<!is_mutable_container< T >::value &&!is_tuple_like< T >::value &&!is_wrapper< T >::value &&!is_complex< T >::value &&!std::is_void< T >::value >::type > { static constexpr int value{type_count< T >::value};};template< typename T > struct type_count_min< T, typename std::enable_if< is_complex< T >::value >::type > { static constexpr int value{1};};template< typename T >struct type_count_min< T, typename std::enable_if< is_wrapper< T >::value &&!is_complex< T >::value &&!is_tuple_like< T >::value >::type > { static constexpr int value{subtype_count_min< typename T::value_type >::value};};template< typename T, std::size_t I >constexpr typename std::enable_if< I==type_count_base< T >::value, int >::type tuple_type_size_min() { return 0;}template< typename T, std::size_t I > constexpr typename std::enable_if< I< type_count_base< T >::value, int >::type tuple_type_size_min() { return subtype_count_min< typename std::tuple_element< I, T >::type >::value+tuple_type_size_min< T, I+1 >();}template< typename T > struct type_count_min< T, typename std::enable_if< is_tuple_like< T >::value >::type > { static constexpr int value{tuple_type_size_min< T, 0 >()};};template< typename T > struct subtype_count_min { static constexpr int value{is_mutable_container< T >::value ?((type_count< T >::value< expected_max_vector_size) ? type_count< T >::value :0) :type_count_min< T >::value};};template< typename T, typename Enable=void > struct expected_count { static const int value{0};};template< typename T >struct expected_count< T, typename std::enable_if<!is_mutable_container< T >::value &&!is_wrapper< T >::value &&!std::is_void< T >::value >::type > { static constexpr int value{1};};template< typename T > struct expected_count< T, typename std::enable_if< is_mutable_container< T >::value >::type > { static constexpr int value{expected_max_vector_size};};template< typename T >struct expected_count< T, typename std::enable_if<!is_mutable_container< T >::value &&is_wrapper< T >::value >::type > { static constexpr int value{expected_count< typename T::value_type >::value};};enum class object_category :int { char_value=1, integral_value=2, unsigned_integral=4, enumeration=6, boolean_value=8, floating_point=10, number_constructible=12, double_constructible=14, integer_constructible=16, string_assignable=23, string_constructible=24, wstring_assignable=25, wstring_constructible=26, other=45, wrapper_value=50, complex_number=60, tuple_value=70, container_value=80,};template< typename T, typename Enable=void > struct classify_object { static constexpr object_category value{object_category::other};};template< typename T >struct classify_object< T, typename std::enable_if< std::is_integral< T >::value &&!std::is_same< T, char >::value &&std::is_signed< T >::value &&!is_bool< T >::value &&!std::is_enum< T >::value >::type > { static constexpr object_category value{object_category::integral_value};};template< typename T >struct classify_object< T, typename std::enable_if< std::is_integral< T >::value &&std::is_unsigned< T >::value &&!std::is_same< T, char >::value &&!is_bool< T >::value >::type > { static constexpr object_category value{object_category::unsigned_integral};};template< typename T >struct classify_object< T, typename std::enable_if< std::is_same< T, char >::value &&!std::is_enum< T >::value >::type > { static constexpr object_category value{object_category::char_value};};template< typename T > struct classify_object< T, typename std::enable_if< is_bool< T >::value >::type > { static constexpr object_category value{object_category::boolean_value};};template< typename T > struct classify_object< T, typename std::enable_if< std::is_floating_point< T >::value >::type > { static constexpr object_category value{object_category::floating_point};};#define WIDE_STRING_CHECK #define STRING_CHECK template< typename T >struct classify_object< T, typename std::enable_if<!std::is_floating_point< T >::value &&!std::is_integral< T >::value &&WIDE_STRING_CHECK &&std::is_assignable< T &, std::string >::value >::type > { static constexpr object_category value{object_category::string_assignable};};template< typename T >struct classify_object< T, typename std::enable_if<!std::is_floating_point< T >::value &&!std::is_integral< T >::value &&!std::is_assignable< T &, std::string >::value &&(type_count< T >::value==1) &&WIDE_STRING_CHECK &&std::is_constructible< T, std::string >::value >::type > { static constexpr object_category value{object_category::string_constructible};};template< typename T >struct classify_object< T, typename std::enable_if<!std::is_floating_point< T >::value &&!std::is_integral< T >::value &&STRING_CHECK &&std::is_assignable< T &, std::wstring >::value >::type > { static constexpr object_category value{object_category::wstring_assignable};};template< typename T >struct classify_object< T, typename std::enable_if<!std::is_floating_point< T >::value &&!std::is_integral< T >::value &&!std::is_assignable< T &, std::wstring >::value &&(type_count< T >::value==1) &&STRING_CHECK &&std::is_constructible< T, std::wstring >::value >::type > { static constexpr object_category value{object_category::wstring_constructible};};template< typename T > struct classify_object< T, typename std::enable_if< std::is_enum< T >::value >::type > { static constexpr object_category value{object_category::enumeration};};template< typename T > struct classify_object< T, typename std::enable_if< is_complex< T >::value >::type > { static constexpr object_category value{object_category::complex_number};};template< typename T > struct uncommon_type { using type=typename std::conditional< !std::is_floating_point< T >::value &&!std::is_integral< T >::value &&!std::is_assignable< T &, std::string >::value &&!std::is_constructible< T, std::string >::value &&!std::is_assignable< T &, std::wstring >::value &&!std::is_constructible< T, std::wstring >::value &&!is_complex< T >::value &&!is_mutable_container< T >::value &&!std::is_enum< T >::value, std::true_type, std::false_type >::type;static constexpr bool value=type::value;};template< typename T >struct classify_object< T, typename std::enable_if<(!is_mutable_container< T >::value &&is_wrapper< T >::value &&!is_tuple_like< T >::value &&uncommon_type< T >::value)>::type > { static constexpr object_category value{object_category::wrapper_value};};template< typename T >struct classify_object< T, typename std::enable_if< uncommon_type< T >::value &&type_count< T >::value==1 &&!is_wrapper< T >::value &&is_direct_constructible< T, double >::value &&is_direct_constructible< T, int >::value >::type > { static constexpr object_category value{object_category::number_constructible};};template< typename T >struct classify_object< T, typename std::enable_if< uncommon_type< T >::value &&type_count< T >::value==1 &&!is_wrapper< T >::value &&!is_direct_constructible< T, double >::value &&is_direct_constructible< T, int >::value >::type > { static constexpr object_category value{object_category::integer_constructible};};template< typename T >struct classify_object< T, typename std::enable_if< uncommon_type< T >::value &&type_count< T >::value==1 &&!is_wrapper< T >::value &&is_direct_constructible< T, double >::value &&!is_direct_constructible< T, int >::value >::type > { static constexpr object_category value{object_category::double_constructible};};template< typename T >struct classify_object< T, typename std::enable_if< is_tuple_like< T >::value &&((type_count< T >::value >=2 &&!is_wrapper< T >::value)||(uncommon_type< T >::value &&!is_direct_constructible< T, double >::value &&!is_direct_constructible< T, int >::value)||(uncommon_type< T >::value &&type_count< T >::value >=2))>::type > { static constexpr object_category value{object_category::tuple_value};};template< typename T > struct classify_object< T, typename std::enable_if< is_mutable_container< T >::value >::type > { static constexpr object_category value{object_category::container_value};};template< typename T, enable_if_t< classify_object< T >::value==object_category::char_value, detail::enabler >=detail::dummy >constexpr const char *type_name() { return "CHAR";}template< typename T, enable_if_t< classify_object< T >::value==object_category::integral_value||classify_object< T >::value==object_category::integer_constructible, detail::enabler >=detail::dummy >constexpr const char *type_name() { return "INT";}template< typename T, enable_if_t< classify_object< T >::value==object_category::unsigned_integral, detail::enabler >=detail::dummy >constexpr const char *type_name() { return "UINT";}template< typename T, enable_if_t< classify_object< T >::value==object_category::floating_point||classify_object< T >::value==object_category::number_constructible||classify_object< T >::value==object_category::double_constructible, detail::enabler >=detail::dummy >constexpr const char *type_name() { return "FLOAT";}template< typename T, enable_if_t< classify_object< T >::value==object_category::enumeration, detail::enabler >=detail::dummy >constexpr const char *type_name() { return "ENUM";}template< typename T, enable_if_t< classify_object< T >::value==object_category::boolean_value, detail::enabler >=detail::dummy >constexpr const char *type_name() { return "BOOLEAN";}template< typename T, enable_if_t< classify_object< T >::value==object_category::complex_number, detail::enabler >=detail::dummy >constexpr const char *type_name() { return "COMPLEX";}template< typename T, enable_if_t< classify_object< T >::value >=object_category::string_assignable &&classify_object< T >::value<=object_category::other, detail::enabler >=detail::dummy >constexpr const char *type_name() { return "TEXT";}template< typename T, enable_if_t< classify_object< T >::value==object_category::tuple_value &&type_count_base< T >::value >=2, detail::enabler >=detail::dummy >std::string type_name();template< typename T, enable_if_t< classify_object< T >::value==object_category::container_value||classify_object< T >::value==object_category::wrapper_value, detail::enabler >=detail::dummy >std::string type_name();template< typename T, enable_if_t< classify_object< T >::value==object_category::tuple_value &&type_count_base< T >::value==1, detail::enabler >=detail::dummy >inline std::string type_name() { return type_name< typename std::decay< typename std::tuple_element< 0, T >::type >::type >();}template< typename T, std::size_t I >inline typename std::enable_if< I==type_count_base< T >::value, std::string >::type tuple_name() { return std::string{};}template< typename T, std::size_t I >inline typename std::enable_if<(I< type_count_base< T >::value), std::string >::type tuple_name() { auto str=std::string{type_name< typename std::decay< typename std::tuple_element< I, T >::type >::type >()}+','+tuple_name< T, I+1 >();if(str.back()==',') str.pop_back();return str;}template< typename T, enable_if_t< classify_object< T >::value==object_category::tuple_value &&type_count_base< T >::value >=2, detail::enabler > > std::string type_name()
Recursively generate the tuple type name.
Definition: TypeTools.hpp:861
bool isalpha(const std::string &str)
Verify that str consists of letters only.
Definition: StringTools.hpp:176
CLI11_INLINE std::pair< std::string, std::string > split_program_name(std::string commandline)
std::string to_lower(std::string str)
Return a lower case version of a string.
Definition: StringTools.hpp:181
CLI11_INLINE std::string & rtrim(std::string &str)
Trim whitespace from right of string.
enabler
Simple empty scoped class.
Definition: TypeTools.hpp:36
bool lexical_cast(const std::string &input, T &output)
Integer conversion.
Definition: TypeTools.hpp:1034
std::string ignore_case(std::string item)
Helper function to allow ignore_case to be passed to IsMember or Transform.
Definition: Validators.hpp:695
std::string ignore_underscore(std::string item)
Helper function to allow ignore_underscore to be passed to IsMember or Transform.
Definition: Validators.hpp:698
typename std::enable_if< B, T >::type enable_if_t
Definition: TypeTools.hpp:47
const detail::ExistingDirectoryValidator ExistingDirectory
Check for an existing directory (returns error message if check fails)
Definition: Validators.hpp:236
AsNumberWithUnit::Options operator|(const AsNumberWithUnit::Options &a, const AsNumberWithUnit::Options &b)
Definition: Validators.hpp:847
const detail::EscapedStringTransformer EscapedString
convert escaped characters into their associated values
Definition: Validators.hpp:248
const detail::NonexistentPathValidator NonexistentPath
Check for an non-existing path.
Definition: Validators.hpp:242
const detail::IPV4Validator ValidIPV4
Check for an IP4 address.
Definition: Validators.hpp:245
const detail::ExistingPathValidator ExistingPath
Check for an existing path.
Definition: Validators.hpp:239
std::vector< std::pair< std::string, T > > TransformPairs
definition of the default transformation object
Definition: Validators.hpp:556
const detail::ExistingFileValidator ExistingFile
Check for existing file (returns error message if check fails)
Definition: Validators.hpp:233
const Range NonNegativeNumber((std::numeric_limits< double >::max)(), "NONNEGATIVE")
Check for a non negative number.
std::string ignore_space(std::string item)
Helper function to allow checks to ignore spaces to be passed to IsMember or Transform.
Definition: Validators.hpp:701
const Range PositiveNumber((std::numeric_limits< double >::min)(),(std::numeric_limits< double >::max)(), "POSITIVE")
Check for a positive valued number (val>0.0), <double>::min here is the smallest positive number.
const TypeValidator< double > Number("NUMBER")
Check for a number.
T type
Definition: TypeTools.hpp:82
T type
Definition: TypeTools.hpp:116
Definition: Validators.hpp:395
static const auto value
Definition: Validators.hpp:400
std::integral_constant< bool, value > type
Definition: Validators.hpp:401
static auto test(int) -> decltype(std::declval< CC >().find(std::declval< VV >()), std::true_type())
static auto test(...) -> decltype(std::false_type())
Adaptor for set-like structure: This just wraps a normal container in a few utilities that do almost ...
Definition: TypeTools.hpp:130
typename T::value_type value_type
Definition: TypeTools.hpp:131
typename std::remove_const< value_type >::type first_type
Definition: TypeTools.hpp:132
static auto first(Q &&pair_value) -> decltype(std::forward< Q >(pair_value))
Get the first value (really just the underlying value)
Definition: TypeTools.hpp:136