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@ -16,12 +16,13 @@
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#include "core/strong_typedef_type.hpp"
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#include <array>
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#include <variant>
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struct StringParameter;
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/** The data required to format and validate a single parameter of a string. */
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struct StringParameter {
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uint64_t data; ///< The data of the parameter.
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const char *string_view; ///< The string value, if it has any.
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std::unique_ptr<std::string> string; ///< Copied string value, if it has any.
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std::variant<uint64_t, const char *, std::unique_ptr<std::string>> data; ///< The data of the parameter, non-owning string value, or owned string value.
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char32_t type; ///< The #StringControlCode to interpret this data with when it's the first parameter, otherwise '\0'.
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};
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@ -98,7 +99,7 @@ public:
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T GetNextParameter()
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{
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auto ptr = GetNextParameterPointer();
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return static_cast<T>(ptr == nullptr ? 0 : ptr->data);
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return static_cast<T>(ptr != nullptr && std::holds_alternative<uint64_t>(ptr->data) ? std::get<uint64_t>(ptr->data) : 0);
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}
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/**
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@ -111,7 +112,14 @@ public:
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{
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auto ptr = GetNextParameterPointer();
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if (ptr == nullptr) return nullptr;
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return ptr->string != nullptr ? ptr->string->c_str() : ptr->string_view;
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if (std::holds_alternative<const char *>(ptr->data)) {
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return std::get<const char *>(ptr->data);
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} else if (std::holds_alternative<std::unique_ptr<std::string>>(ptr->data)) {
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return std::get<std::unique_ptr<std::string>>(ptr->data)->c_str();
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} else {
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return nullptr;
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}
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}
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/**
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@ -156,8 +164,6 @@ public:
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{
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assert(n < this->parameters.size());
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this->parameters[n].data = v;
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this->parameters[n].string.reset();
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this->parameters[n].string_view = nullptr;
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}
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template <typename T, std::enable_if_t<std::is_base_of<StrongTypedefBase, T>::value, int> = 0>
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@ -169,24 +175,26 @@ public:
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void SetParam(size_t n, const char *str)
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{
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assert(n < this->parameters.size());
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this->parameters[n].data = 0;
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this->parameters[n].string.reset();
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this->parameters[n].string_view = str;
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this->parameters[n].data = str;
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}
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void SetParam(size_t n, std::string str)
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{
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assert(n < this->parameters.size());
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this->parameters[n].data = 0;
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this->parameters[n].string = std::make_unique<std::string>(std::move(str));
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this->parameters[n].string_view = nullptr;
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this->parameters[n].data = std::make_unique<std::string>(std::move(str));
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}
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void SetParam(size_t n, span<StringParameter> params)
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{
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assert(n < this->parameters.size());
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this->parameters[n].data = params;
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}
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uint64_t GetParam(size_t n) const
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{
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assert(n < this->parameters.size());
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assert(this->parameters[n].string_view == nullptr && this->parameters[n].string == nullptr);
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return this->parameters[n].data;
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assert(std::holds_alternative<uint64_t>(this->parameters[n].data));
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return std::get<uint64_t>(this->parameters[n].data);
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}
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/**
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@ -197,8 +205,14 @@ public:
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const char *GetParamStr(size_t n) const
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{
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assert(n < this->parameters.size());
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auto ¶m = this->parameters[n];
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return param.string != nullptr ? param.string->c_str() : param.string_view;
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if (std::holds_alternative<const char *>(this->parameters[n].data)) {
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return std::get<const char *>(this->parameters[n].data);
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} else if (std::holds_alternative<std::unique_ptr<std::string>>(this->parameters[n].data)) {
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return std::get<std::unique_ptr<std::string>>(this->parameters[n].data)->c_str();
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} else {
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return nullptr;
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}
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}
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};
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