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Fixed setAllowedValues

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matthias@arch 2022-09-30 21:13:14 +02:00
parent e7caf03090
commit 3675bf2140
2 changed files with 314 additions and 122 deletions
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31
src/settings_manager.cpp
View File

@ -1,36 +1,5 @@
#include "settings_manager.hpp" #include "settings_manager.hpp"
namespace gz { namespace gz {
void SettingsManagerAllowedValues::hasCorrectFormat() {
switch (type) {
case SM_LIST:
try {
std::get<std::vector<std::string>>(allowedValues);
}
catch (std::bad_variant_access& e) {
throw InvalidType("AllowedValueType is SM_LIST but allowedValues does not contain <std::string>.", "SettingsManager::isAllowedValueStructValid");
}
if (std::get<std::vector<std::string>>(allowedValues).empty()) {
throw InvalidArgument("Allowed value vector needs to have at least one element, but is empty.", "SettingsManager::isAllowedValueStructValid");
}
break;
case SM_RANGE:
try {
std::get<std::vector<int>>(allowedValues);
}
catch (std::bad_variant_access& e) {
throw InvalidType("AllowedValueType is SM_RANGE but allowedValues does not contain <int>.", "SettingsManager::isAllowedValueStructValid");
}
std::size_t size = std::get<std::vector<int>>(allowedValues).size();
if (size == 2) {
std::get<std::vector<int>>(allowedValues).push_back(1);
}
else if (size != 3) {
throw InvalidArgument("AllowedValueType is SM_RANGE but allowedValues does not have size 2 or 3.", "SettingsManager::isAllowedValueStructValid");
}
break;
} // switch
}
} }

405
src/settings_manager.hpp
View File

@ -5,17 +5,40 @@
#include "util/string_conversion.hpp" #include "util/string_conversion.hpp"
#include "util/string.hpp" #include "util/string.hpp"
#include <exception>
#include <functional> #include <functional>
#include <iostream> #include <iostream>
#include <stdexcept> #include <stdexcept>
#include <string> #include <string>
#include <set> #include <set>
#include <type_traits>
#include <typeinfo> #include <typeinfo>
#include <unordered_map> #include <unordered_map>
#include <variant> #include <variant>
namespace gz { namespace gz {
template<typename T, typename... PackTypes>
concept TypeIsInPack = (std::same_as<T, PackTypes> || ...);
template<typename T>
concept Number = std::integral<T> || std::floating_point<T>;
template<typename T>
concept NotNumber = !Number<T>;
/* template<typename T, typename... PackTypes> */
/* concept IntegralInPack = std::integral<T> && TypeIsInPack<T, PackTypes...>; */
/* template<typename T, typename... PackTypes> */
/* concept FloatingPointInPack = std::floating_point<T> && TypeIsInPack<T, PackTypes...>; */
template<typename T, typename... PackTypes>
concept NumberInPack = Number<T> && TypeIsInPack<T, PackTypes...>;
template<typename T, typename... PackTypes>
concept NotNumberInPack = NotNumber<T> && TypeIsInPack<T, PackTypes...>;
enum SettingsManagerAllowedValueTypes { enum SettingsManagerAllowedValueTypes {
SM_RANGE, SM_LIST, SM_RANGE, SM_LIST,
@ -25,24 +48,36 @@ namespace gz {
* @brief Information about the allowed values * @brief Information about the allowed values
* @details * @details
* If type is * If type is
* - SM_RANGE -> allowedValues must be an integer [ low, high, step ], the allowed value can then be in [ low, high ) but must be low + n*step * - SM_RANGE -> allowedValues must contain two numbers [min, max]
* - SM_LIST -> allowedValues must contain strings, which are the allowed values * - SM_LIST -> allowedValues must contain strings, which are the allowed values
*/ */
template<StringConvertible... CacheTypes>
struct SettingsManagerAllowedValues { struct SettingsManagerAllowedValues {
SettingsManagerAllowedValueTypes type; SettingsManagerAllowedValueTypes type;
std::variant<std::vector<int>, std::vector<std::string>> allowedValues; std::variant<std::vector<std::string>, std::vector<CacheTypes>... > allowedValues;
/**
* @brief Check if struct is valid.
* @details
* If type is SM_RANGE and allowedValues only has 2 values (lowest and highest value), the third (step) value=1 is appended
* @throws InvalidArgument if it is not valid
*/
void hasCorrectFormat();
}; };
/**
* @brief Check if struct is valid.
* @throws InvalidType if:
* - the type contained in the variant allowedValues is not T
* - type is SM_RANGE but T is not an integral or floating point type
*
* @throws InvalidArgument if:
* - vector contained in allowedValues is empty
* - type is SM_RANGE but allowedValues is not of size 2
* - type is SM_RANGE but allowedValues[0] >= allowedValues[1]
*/
template<Number T, StringConvertible... CacheTypes>
void hasCorrectFormat(SettingsManagerAllowedValues<CacheTypes...>& ab);
template<NotNumber T, StringConvertible... CacheTypes>
void hasCorrectFormat(SettingsManagerAllowedValues<CacheTypes...>& av);
/* template<std::integral T, StringConvertible... CacheTypes> */
/* void hasCorrectFormat(SettingsManagerAllowedValues<CacheTypes...>& ab); */
/** /**
* @brief Creation info for SettingsManager * @brief Creation info for SettingsManager
*/ */
template<StringConvertible... CacheTypes>
struct SettingsManagerCreateInfo { struct SettingsManagerCreateInfo {
/** /**
* @brief (Optional) Path to the file containing the settings * @brief (Optional) Path to the file containing the settings
@ -69,7 +104,7 @@ namespace gz {
* @brief Wether to write the values to filepath when destroying the SettingsManager * @brief Wether to write the values to filepath when destroying the SettingsManager
*/ */
bool writeFileOnExit = false; bool writeFileOnExit = false;
/** /*
* @brief A map containing SettingsMangerAllowedValues to restrict values * @brief A map containing SettingsMangerAllowedValues to restrict values
* @details * @details
* If allowedValues contains key, its value must be allowed by SettingsMangerAllowedValues struct. * If allowedValues contains key, its value must be allowed by SettingsMangerAllowedValues struct.
@ -80,7 +115,7 @@ namespace gz {
* - in SettingsManager::set: depends on throwExceptionWhenNewValueNotAllowed * - in SettingsManager::set: depends on throwExceptionWhenNewValueNotAllowed
* @see sm_validity * @see sm_validity
*/ */
util::unordered_string_map<SettingsManagerAllowedValues> allowedValues; /* util::unordered_string_map<SettingsManagerAllowedValues<CacheTypes...>> allowedValues; */
/** /**
* @brief Wether to throw an exception when trying to set an invalid value * @brief Wether to throw an exception when trying to set an invalid value
*/ */
@ -123,7 +158,7 @@ namespace gz {
* @details * @details
* The maps from createInfo are no longer valid after this function. * The maps from createInfo are no longer valid after this function.
*/ */
SettingsManager(SettingsManagerCreateInfo& createInfo); SettingsManager(SettingsManagerCreateInfo<CacheTypes...>& createInfo);
~SettingsManager(); ~SettingsManager();
SettingsManager(const SettingsManager&) = delete; SettingsManager(const SettingsManager&) = delete;
SettingsManager& operator=(const SettingsManager&) = delete; SettingsManager& operator=(const SettingsManager&) = delete;
@ -147,7 +182,7 @@ namespace gz {
* @throws InvalidType if T is not a registered type * @throws InvalidType if T is not a registered type
* @throws InvalidType if type T can not be constructed from value (string) * @throws InvalidType if type T can not be constructed from value (string)
*/ */
template<StringConvertible T> template<TypeIsInPack<CacheTypes...> T>
const T& get(const std::string& key); const T& get(const std::string& key);
/** /**
@ -169,8 +204,8 @@ namespace gz {
* @throws InvalidType if type T can not be constructed from value (string) * @throws InvalidType if type T can not be constructed from value (string)
* @throws InvalidType if the fallback can not be converted to string * @throws InvalidType if the fallback can not be converted to string
*/ */
template<StringConvertible T> template<TypeIsInPack<CacheTypes...> T>
const T& getOr(const std::string& key, const T& fallback); const T& getOr(const std::string& key, const T& fallback) requires std::copy_constructible<T>;
/** /**
* @brief Same as get, but returns a copy of value and not a const reference * @brief Same as get, but returns a copy of value and not a const reference
@ -180,7 +215,7 @@ namespace gz {
/** /**
* @brief Same as get<T>, but returns a copy of value and not a const reference * @brief Same as get<T>, but returns a copy of value and not a const reference
*/ */
template<StringConvertible T> template<TypeIsInPack<CacheTypes...> T>
const T getCopy(const std::string& key); const T getCopy(const std::string& key);
/** /**
@ -191,7 +226,7 @@ namespace gz {
/** /**
* @brief Same as getOr<T>, but returns a copy of value and not a const reference * @brief Same as getOr<T>, but returns a copy of value and not a const reference
*/ */
template<StringConvertible T> template<TypeIsInPack<CacheTypes...> T>
const T getCopyOr(const std::string& key, const T& fallback); const T getCopyOr(const std::string& key, const T& fallback);
/** /**
@ -215,7 +250,7 @@ namespace gz {
* @throws InvalidType if T is not a registered type * @throws InvalidType if T is not a registered type
* @throws Exception if an exception occurs during a potential @red sm_callback "callback function" * @throws Exception if an exception occurs during a potential @red sm_callback "callback function"
*/ */
template<StringConvertible T> template<TypeIsInPack<CacheTypes...> T>
void set(const std::string& key, const T& value); void set(const std::string& key, const T& value);
/** /**
* @} * @}
@ -260,17 +295,31 @@ namespace gz {
* @ingroup sm_allowed_values * @ingroup sm_allowed_values
* @brief Check if a value is allowed for key * @brief Check if a value is allowed for key
*/ */
bool isValueAllowed(const std::string& key, const std::string& value) const noexcept; template<NumberInPack<std::string, CacheTypes...> T>
bool isValueAllowed(const std::string& key, const T& value) const noexcept;
/* template<IntegralInPack<std::string, CacheTypes...> T> */
/* bool isValueAllowed(const std::string& key, const T& value) const noexcept; */
template<NotNumberInPack<std::string, CacheTypes...> T>
bool isValueAllowed(const std::string& key, const T& value) const noexcept;
/** /**
* @ingroup sm_allowed_values * @ingroup sm_allowed_values
* @brief Set the allowed values for a key * @brief Set the allowed values for a key
* @param key The key where the allowedValues should be applied
* @param type The type containing information on the values in allowedValues
* @param allowedValues Vector containing:
* - a list of allowed values if type=SM_LIST
* - [min, max] if type=SM_RANGE
*
* @details * @details
* If the current value for key is now invalid, it will be removed. * If the current value for key is now invalid, it will be removed.
* values struct is no longer valid after this function * allowedValues vector is no longer valid after this function
* @throws InvalidArgument if the values struct is invalid * @throws InvalidArgument if call is @ref SettingsMangerAllowedValues::hasCorrectFormat "invalid"
*/ */
void setAllowedValues(const std::string& key, SettingsManagerAllowedValues& values); template<TypeIsInPack<CacheTypes...> T>
void setAllowedValues(const std::string& key, std::vector<T>& allowedValues, SettingsManagerAllowedValueTypes type=SM_LIST);
template<TypeIsInPack<CacheTypes...> T>
void setAllowedValues(const std::string& key, std::vector<T>&& allowedValues, SettingsManagerAllowedValueTypes type=SM_LIST) { setAllowedValues<T>(key, allowedValues, type); };
/** /**
* @ingroup sm_allowed_values * @ingroup sm_allowed_values
@ -308,8 +357,8 @@ namespace gz {
void initCache() {}; void initCache() {};
std::set<std::string> cacheTypes; std::set<std::string> cacheTypes;
util::unordered_string_map<util::unordered_string_map<std::variant<std::monostate, CacheTypes...>>> settingsCache; util::unordered_string_map<util::unordered_string_map<std::variant<std::monostate, CacheTypes...>>> settingsCache;
template<StringConvertible T> /* template<StringConvertible T> */
inline bool isRegisteredType(); /* inline bool isRegisteredType(); */
/** /**
* @} * @}
*/ */
@ -324,7 +373,7 @@ namespace gz {
* @throws InvalidArgument if any of the initial allowedValues structs is invalid * @throws InvalidArgument if any of the initial allowedValues structs is invalid
*/ */
void initAllowedValues(); void initAllowedValues();
util::unordered_string_map<SettingsManagerAllowedValues> allowedValues; util::unordered_string_map<SettingsManagerAllowedValues<CacheTypes...>> allowedValues;
bool throwExceptionWhenNewValueNotAllowed; bool throwExceptionWhenNewValueNotAllowed;
/** /**
* @} * @}
@ -344,14 +393,104 @@ namespace gz {
} }
namespace gz { namespace gz {
/* template<StringConvertible... CacheTypes, NumberInPack<std::string, CacheTypes...> T> */
/* template<std::integral T, StringConvertible... CacheTypes> */
/* void hasCorrectFormat(SettingsManagerAllowedValues<CacheTypes...>& av) { */
/* const std::vector<T>* v = nullptr; */
/* try { */
/* v = &std::get<std::vector<T>>(av.allowedValues); */
/* } */
/* catch (std::bad_variant_access& e) { */
/* throw InvalidType("allowedValues variant does not contain type T", "SettingsManagerAllowedValues::hasCorrectFormat"); */
/* } */
/* switch (av.type) { */
/* case SM_LIST: */
/* if (v->empty()) { */
/* throw InvalidArgument("Allowed value vector needs to have at least one element when AllowedValueType is SM_LIST, but is empty.", "SettingsManagerAllowedValues::hasCorrectFormat"); */
/* } */
/* break; */
/* case SM_RANGE: */
/* static_assert(std::floating_point<T> || std::integral<T>, "Type must be integral or floating point when using SM_RANGE."); */
/* std::size_t size = std::get<std::vector<int>>(av.allowedValues).size(); */
/* if (size == 2) { */
/* v->push_back(static_cast<T>(1)); */
/* } */
/* else if (size != 3) { */
/* throw InvalidArgument("AllowedValueType is SM_RANGE with integral type but allowedValues does not have size 2 or 3.", "SettingsManagerAllowedValues::hasCorrectFormat"); */
/* } */
/* // check min < max */
/* if (v[0] >= v[1]) { */
/* throw InvalidArgument("AllowedValueType is SM_RANGE but allowedValues[0] is larger than allowedValues[1].", "SettingsManagerAllowedValues::hasCorrectFormat"); */
/* } */
/* break; */
/* } // switch */
/* } */
template<Number T, StringConvertible... CacheTypes>
void hasCorrectFormat(SettingsManagerAllowedValues<CacheTypes...>& av) {
static_assert(TypeIsInPack<T, CacheTypes...>, "T must be be in pack CacheTypes");
const std::vector<T>* v = nullptr;
try {
v = &std::get<std::vector<T>>(av.allowedValues);
}
catch (std::bad_variant_access& e) {
throw InvalidType("allowedValues variant does not contain type T", "SettingsManagerAllowedValues::hasCorrectFormat");
}
switch (av.type) {
case SM_LIST:
if (v->empty()) {
throw InvalidArgument("Allowed value vector needs to have at least one element when AllowedValueType is SM_LIST, but is empty.", "SettingsManagerAllowedValues::hasCorrectFormat");
}
break;
case SM_RANGE:
static_assert(std::floating_point<T> || std::integral<T>, "Type must be integral or floating point when using SM_RANGE.");
std::size_t size = v->size();
if (size != 2) {
throw InvalidArgument("AllowedValueType is SM_RANGE with floating point type but allowedValues does not have size 2.", "SettingsManagerAllowedValues::hasCorrectFormat");
}
// check min <= max
if (v->at(0) > v->at(1)) {
/* throw InvalidArgument("AllowedValueType is SM_RANGE but allowedValues[0] >= allowedValues[1].", "SettingsManagerAllowedValues::hasCorrectFormat"); */
throw InvalidArgument("AllowedValueType is SM_RANGE but allowedValues[0]=" + toString(v->at(0)) + " > " + toString(v->at(1)) + "=allowedValues[1].", "SettingsManagerAllowedValues::hasCorrectFormat");
}
break;
} // switch
}
/* template<StringConvertible... CacheTypes, NotNumberInPack<std::string, CacheTypes...> T> */
template<NotNumber T, StringConvertible... CacheTypes>
void hasCorrectFormat(SettingsManagerAllowedValues<CacheTypes...>& av) {
static_assert(TypeIsInPack<T, CacheTypes...>, "T must be be in pack CacheTypes");
const std::vector<T>* v = nullptr;
try {
v = &std::get<std::vector<T>>(av.allowedValues);
}
catch (std::bad_variant_access& e) {
throw InvalidType("allowedValues variant does not contain type T", "SettingsManagerAllowedValues::hasCorrectFormat");
}
switch (av.type) {
case SM_LIST:
if (v->empty()) {
throw InvalidArgument("Allowed value vector needs to have at least one element when AllowedValueType is SM_LIST, but is empty.", "SettingsManagerAllowedValues::hasCorrectFormat");
}
break;
case SM_RANGE:
throw InvalidArgument("Type must be integral or floating point when using SM_RANGE, but is <" + std::string(typeid(T).name()) + ">");
break;
} // switch
}
//
// SETTINGS MANAGER
//
template<StringConvertible... CacheTypes> template<StringConvertible... CacheTypes>
SettingsManager<CacheTypes...>::SettingsManager(SettingsManagerCreateInfo& createInfo) { SettingsManager<CacheTypes...>::SettingsManager(SettingsManagerCreateInfo<CacheTypes...>& createInfo) {
insertFallbacks = createInfo.insertFallbacks; insertFallbacks = createInfo.insertFallbacks;
writeFileOnExit = createInfo.writeFileOnExit; writeFileOnExit = createInfo.writeFileOnExit;
throwExceptionWhenNewValueNotAllowed = createInfo.throwExceptionWhenNewValueNotAllowed; throwExceptionWhenNewValueNotAllowed = createInfo.throwExceptionWhenNewValueNotAllowed;
allowedValues = std::move(createInfo.allowedValues); /* allowedValues = std::move(createInfo.allowedValues); */
settings = std::move(createInfo.initialValues); settings = std::move(createInfo.initialValues);
filepath = createInfo.filepath; filepath = createInfo.filepath;
@ -360,14 +499,13 @@ namespace gz {
} }
// erase invalid initalValues // erase invalid initalValues
for (auto it = settings.begin(); it != settings.end(); it++) { /* for (auto it = settings.begin(); it != settings.end(); it++) { */
if (!isValueAllowed(it->first, it->second)) { /* if (!isValueAllowed<std::string>(it->first, it->second)) { */
it = settings.erase(it); /* it = settings.erase(it); */
} /* } */
} /* } */
initCache<void, CacheTypes...>(); initCache<void, CacheTypes...>();
} }
template<StringConvertible... CacheTypes> template<StringConvertible... CacheTypes>
@ -384,11 +522,11 @@ namespace gz {
initCache<void, CacheTypesOther...>(); initCache<void, CacheTypesOther...>();
} }
template<StringConvertible... CacheTypes> /* template<StringConvertible... CacheTypes> */
template<StringConvertible T> /* template<StringConvertible T> */
inline bool SettingsManager<CacheTypes...>::isRegisteredType() { /* inline bool SettingsManager<CacheTypes...>::isRegisteredType() { */
return cacheTypes.contains(typeid(T).name()); /* return cacheTypes.contains(typeid(T).name()); */
} /* } */
// //
// GET // GET
@ -403,23 +541,27 @@ namespace gz {
} }
template<StringConvertible... CacheTypes> template<StringConvertible... CacheTypes>
template<StringConvertible T> template<TypeIsInPack<CacheTypes...> T>
const T& SettingsManager<CacheTypes...>::get(const std::string& key) { const T& SettingsManager<CacheTypes...>::get(const std::string& key) {
if (!isRegisteredType<T>()) { static_assert(TypeIsInPack<T, CacheTypes...>, "Type T is not in parameter pack CacheTypes...");
throw InvalidType("Invalid type: '" + std::string(typeid(T).name()) + "'", "SettingsManager::get"); /* if (!isRegisteredType<T>()) { */
} /* throw InvalidType("Invalid type: '" + std::string(typeid(T).name()) + "'", "SettingsManager::get"); */
/* } */
if (!settings.contains(key)) { if (!settings.contains(key)) {
throw InvalidArgument("Invalid key: '" + key + "'", "SettingsManager::get"); throw InvalidArgument("Invalid key: '" + key + "'", "SettingsManager::get");
} }
// if not cached -> cache // if not cached -> cache
if (!settingsCache[typeid(T).name()].contains(key)) { if (!settingsCache[typeid(T).name()].contains(key)) {
try { try {
settingsCache[typeid(T).name()][key] = fromString<T>(settings[key]); /* settingsCache[typeid(T).name()][key].emplace(fromString<T>(settings[key])); */
/* settingsCache[typeid(T).name()][key](fromString<T>(settings[key])); */
settingsCache[typeid(T).name()][key] = std::variant<std::monostate, CacheTypes...>(fromString<T>(settings[key]));
} }
catch (...) { catch (...) {
throw InvalidType("Could not convert value '" + settings[key] + "' to type '" + typeid(T).name() + "'. Key: '" + key + "'", "SettingsManager::get"); throw InvalidType("Could not convert value '" + settings[key] + "' to type '" + std::string(typeid(T).name()) + "'. Key: '" + key + "'", "SettingsManager::get");
} }
} }
/* std::cout << "get<" << typeid(T).name() << ">\n"; */
return std::get<T>(settingsCache[typeid(T).name()][key]); return std::get<T>(settingsCache[typeid(T).name()][key]);
} }
@ -439,11 +581,11 @@ namespace gz {
} }
template<StringConvertible... CacheTypes> template<StringConvertible... CacheTypes>
template<StringConvertible T> template<TypeIsInPack<CacheTypes...> T>
const T& SettingsManager<CacheTypes...>::getOr(const std::string& key, const T& fallback) { const T& SettingsManager<CacheTypes...>::getOr(const std::string& key, const T& fallback) requires std::copy_constructible<T> {
if (!isRegisteredType<T>()) { /* if (!isRegisteredType<T>()) { */
throw InvalidType("Invalid type: '" + std::string(typeid(T).name()) + "'", "SettingsManager::getOr"); /* throw InvalidType("Invalid type: '" + std::string(typeid(T).name()) + "'", "SettingsManager::getOr"); */
} /* } */
if (settings.contains(key)) { if (settings.contains(key)) {
return get<T>(key); return get<T>(key);
} }
@ -455,7 +597,9 @@ namespace gz {
catch (...) { catch (...) {
throw InvalidType("Can not convert fallback value to string. Key: '" + key + "'", "SettingsManager::getOr"); throw InvalidType("Can not convert fallback value to string. Key: '" + key + "'", "SettingsManager::getOr");
} }
settingsCache[typeid(T).name()][key] = fallback; /* static_assert(CanInsertTIntoVariant<T, std::monostate, CacheTypes...>, "ERROR: Can not insert T into variant with monostate, CacheTypes..."); */
/* settingsCache[typeid(T).name()][key].emplace(fallback); */
settingsCache[typeid(T).name()][key] = std::variant<std::monostate, CacheTypes...>(T(fallback));
} }
return fallback; return fallback;
} }
@ -467,7 +611,7 @@ namespace gz {
return get(key); return get(key);
} }
template<StringConvertible... CacheTypes> template<StringConvertible... CacheTypes>
template<StringConvertible T> template<TypeIsInPack<CacheTypes...> T>
const T SettingsManager<CacheTypes...>::getCopy(const std::string& key) { const T SettingsManager<CacheTypes...>::getCopy(const std::string& key) {
return get<T>(key); return get<T>(key);
} }
@ -477,7 +621,7 @@ namespace gz {
return getOr(key, fallback); return getOr(key, fallback);
} }
template<StringConvertible... CacheTypes> template<StringConvertible... CacheTypes>
template<StringConvertible T> template<TypeIsInPack<CacheTypes...> T>
const T SettingsManager<CacheTypes...>::getCopyOr(const std::string& key, const T& fallback) { const T SettingsManager<CacheTypes...>::getCopyOr(const std::string& key, const T& fallback) {
return getOr<T>(key, fallback); return getOr<T>(key, fallback);
} }
@ -488,7 +632,7 @@ namespace gz {
template<StringConvertible... CacheTypes> template<StringConvertible... CacheTypes>
void SettingsManager<CacheTypes...>::set(const std::string& key, const std::string& value) { void SettingsManager<CacheTypes...>::set(const std::string& key, const std::string& value) {
// check if new value is allowed // check if new value is allowed
if (!isValueAllowed(key, value)) { if (!isValueAllowed<std::string>(key, value)) {
if (throwExceptionWhenNewValueNotAllowed) { if (throwExceptionWhenNewValueNotAllowed) {
throw InvalidArgument("Value '" + value + "' is not allowed. Key: '" + key + "'", "SettingsManager::set"); throw InvalidArgument("Value '" + value + "' is not allowed. Key: '" + key + "'", "SettingsManager::set");
} }
@ -518,11 +662,11 @@ namespace gz {
} }
template<StringConvertible... CacheTypes> template<StringConvertible... CacheTypes>
template<StringConvertible T> template<TypeIsInPack<CacheTypes...> T>
void SettingsManager<CacheTypes...>::set(const std::string& key, const T& value) { void SettingsManager<CacheTypes...>::set(const std::string& key, const T& value) {
if (!isRegisteredType<T>()) { /* if (!isRegisteredType<T>()) { */
throw InvalidType("Invalid type: '" + std::string(typeid(T).name()) + "'", "SettingsManager::set<" + std::string(typeid(T).name()) + ">"); /* throw InvalidType("Invalid type: '" + std::string(typeid(T).name()) + "'", "SettingsManager::set<" + std::string(typeid(T).name()) + ">"); */
} /* } */
// convert to string // convert to string
std::string s; std::string s;
try { try {
@ -535,7 +679,7 @@ namespace gz {
throw InvalidArgument("Could not convert value to string, an exception occured. Key: '" + key + "'", "SettingsManager::set<" + std::string(typeid(T).name()) + ">"); throw InvalidArgument("Could not convert value to string, an exception occured. Key: '" + key + "'", "SettingsManager::set<" + std::string(typeid(T).name()) + ">");
} }
// check if new value is allowed // check if new value is allowed
if (!isValueAllowed(key, s)) { if (!isValueAllowed<T>(key, value)) {
if (throwExceptionWhenNewValueNotAllowed) { if (throwExceptionWhenNewValueNotAllowed) {
throw InvalidArgument("Value '" + s + "' is not allowed. Key: '" + key + "'", "SettingsManager::set<" + std::string(typeid(T).name()) + ">"); throw InvalidArgument("Value '" + s + "' is not allowed. Key: '" + key + "'", "SettingsManager::set<" + std::string(typeid(T).name()) + ">");
} }
@ -555,7 +699,7 @@ namespace gz {
// Call the callback, if any // Call the callback, if any
if (settingsCallbackFunctions.contains(key)) { if (settingsCallbackFunctions.contains(key)) {
try { try {
settingsCallbackFunctions[key](value); settingsCallbackFunctions[key](s);
} }
catch (std::exception& e) { catch (std::exception& e) {
throw Exception("An exception occured in the callback for changing a value: '" + std::string(e.what()) + "'. Key: '" + key + "'", "SettingsManager::set<" + std::string(typeid(T).name()) + ">"); throw Exception("An exception occured in the callback for changing a value: '" + std::string(e.what()) + "'. Key: '" + key + "'", "SettingsManager::set<" + std::string(typeid(T).name()) + ">");
@ -569,15 +713,61 @@ namespace gz {
// //
// ALLOWED VALUES // ALLOWED VALUES
// //
template<StringConvertible... CacheTypes> /* template<StringConvertible... CacheTypes> */
bool SettingsManager<CacheTypes...>::isValueAllowed(const std::string& key, const std::string& value) const noexcept { /* template<IntegralInPack<std::string, CacheTypes...> T> */
/* bool SettingsManager<CacheTypes...>::isValueAllowed(const std::string& key, const T& value) const noexcept { */
/* if (!allowedValues.contains(key)) { */
/* return true; */
/* } */
/* const std::vector<T>* av = nullptr; */
/* try { */
/* av = &std::get<std::vector<T>>(allowedValues.at(key).allowedValues); */
/* } */
/* catch (std::bad_variant_access&) { */
/* return false; */
/* } */
/* switch (allowedValues.at(key).type) { */
/* case SM_LIST: { */
/* for (auto it = av->begin(); it != av->end(); it++) { */
/* if (*it == value) { */
/* return true; */
/* } */
/* } */
/* } */
/* break; */
/* case SM_RANGE: { */
/* bool valid = true; */
/* // value >= lowest */
/* valid &= value >= av->at(0); */
/* // value < highest */
/* valid &= value < av->at(1); */
/* // value == lowest + n * step */
/* valid &= (value - av->at(0)) % av->at(2) == 0; */
/* return valid; */
/* } */
/* break; */
/* } // switch */
/* return false; */
/* } */
template<StringConvertible... CacheTypes>
template<NumberInPack<std::string, CacheTypes...> T>
bool SettingsManager<CacheTypes...>::isValueAllowed(const std::string& key, const T& value) const noexcept {
if (!allowedValues.contains(key)) { if (!allowedValues.contains(key)) {
return true; return true;
} }
const std::vector<T>* av = nullptr;
try {
av = &std::get<std::vector<T>>(allowedValues.at(key).allowedValues);
}
catch (std::bad_variant_access&) {
return false;
}
switch (allowedValues.at(key).type) { switch (allowedValues.at(key).type) {
case SM_LIST: { case SM_LIST: {
const std::vector<std::string>& av = std::get<std::vector<std::string>>(allowedValues.at(key).allowedValues); for (auto it = av->begin(); it != av->end(); it++) {
for (auto it = av.begin(); it != av.end(); it++) {
if (*it == value) { if (*it == value) {
return true; return true;
} }
@ -585,41 +775,74 @@ namespace gz {
} }
break; break;
case SM_RANGE: { case SM_RANGE: {
int intVal;
try {
intVal = std::stoi(value);
}
catch (std::invalid_argument) {
return false;
}
catch (std::out_of_range) {
return false;
}
bool valid = true; bool valid = true;
const std::vector<int>& av = std::get<std::vector<int>>(allowedValues.at(key).allowedValues); // value >= lowest
// intVal >= lowest valid &= value >= av->at(0);
valid &= intVal >= av[0]; // value <= highest
// intVal < highest valid &= value <= av->at(1);
valid &= intVal < av[1];
// intVal == lowest + n * step
valid &= (intVal - av[0]) % av[2] == 0;
return valid; return valid;
} }
break; break;
} // switch } // switch
return false;
}
template<StringConvertible... CacheTypes>
template<NotNumberInPack<std::string, CacheTypes...> T>
bool SettingsManager<CacheTypes...>::isValueAllowed(const std::string& key, const T& value) const noexcept {
if (!allowedValues.contains(key)) {
return true;
}
const std::vector<T>* av = nullptr;
try {
av = &std::get<std::vector<T>>(allowedValues.at(key).allowedValues);
}
catch (std::bad_variant_access&) {
return false;
}
switch (allowedValues.at(key).type) {
case SM_LIST: {
for (auto it = av->begin(); it != av->end(); it++) {
if (*it == value) {
return true;
}
}
}
break;
case SM_RANGE: {
return false;
}
break;
} // switch
return false;
} }
template<StringConvertible... CacheTypes> template<StringConvertible... CacheTypes>
void SettingsManager<CacheTypes...>::initAllowedValues() { template<TypeIsInPack<CacheTypes...> T>
for (auto& [key, av] : allowedValues) { void SettingsManager<CacheTypes...>::setAllowedValues(const std::string& key, std::vector<T>& allowed_vector, SettingsManagerAllowedValueTypes type) {
av.hasCorrectFormat(); /* std::cout << "setAllowedValues: " << typeid(std::vector<T>).name() << " - " << typeid(T).name() << "\n"; */
} // for SettingsManagerAllowedValues<CacheTypes...> av;
} av.type = type;
av.allowedValues = std::variant<std::vector<std::string>, std::vector<CacheTypes>...>(std::move(allowed_vector));
template<StringConvertible... CacheTypes> hasCorrectFormat<T>(av);
void SettingsManager<CacheTypes...>::setAllowedValues(const std::string& key, SettingsManagerAllowedValues& av) {
av.hasCorrectFormat();
allowedValues[key] = std::move(av); allowedValues[key] = std::move(av);
// erase the current value if it is no longer allowed
if (settingsCache[typeid(T).name()].contains(key)) {
/* std::cout << "setAllowedValues <" << typeid(T).name() << ">\n"; */
if (!isValueAllowed<T>(key, std::get<T>(settingsCache[typeid(T).name()].at(key)))) {
settings.erase(key);
settingsCache[typeid(T).name()].erase(key);
}
}
else if (settings.contains(key)) {
try {
if (!isValueAllowed<T>(key, fromString<T>(settings.at(key)))) {
settings.erase(key);
}
}
catch (...) {
settings.erase(key);
}
}
} }
template<StringConvertible... CacheTypes> template<StringConvertible... CacheTypes>
@ -659,7 +882,7 @@ namespace gz {
if (checkValidity) { if (checkValidity) {
// insert only valid values // insert only valid values
for (auto it = map.begin(); it != map.end(); it++) { for (auto it = map.begin(); it != map.end(); it++) {
if (isValueAllowed(it->first, it->second)) { if (isValueAllowed<std::string>(it->first, it->second)) {
settings.insert(*it); settings.insert(*it);
} }
} }