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#ifndef CORE_CONFIG_HH
#define CORE_CONFIG_HH 1
#pragma once
#include "core/concepts.hh"
class IConfigValue {
public:
virtual ~IConfigValue(void) = default;
virtual void set(const char* value) = 0;
virtual const char* get(void) const = 0;
};
class ConfigBoolean final : public IConfigValue {
public:
explicit ConfigBoolean(bool default_value = false);
virtual ~ConfigBoolean(void) = default;
virtual void set(const char* value) override;
virtual const char* get(void) const override;
bool get_value(void) const;
void set_value(bool value);
private:
bool m_value;
std::string m_string;
public:
static const char* to_string(bool value);
static bool from_string(const char* value);
};
template<vx::Arithmetic T>
class ConfigNumber : public IConfigValue {
public:
explicit ConfigNumber(T default_value = T(0));
explicit ConfigNumber(T default_value, T min_value, T max_value);
virtual ~ConfigNumber(void) = default;
virtual void set(const char* value) override;
virtual const char* get(void) const override;
T get_value(void) const;
void set_value(T value);
T get_min_value(void) const;
T get_max_value(void) const;
void set_limits(T min_value, T max_value);
private:
T m_value;
T m_min_value;
T m_max_value;
std::string m_string;
};
class ConfigInt final : public ConfigNumber<int> {
public:
using ConfigNumber<int>::ConfigNumber;
};
class ConfigFloat final : public ConfigNumber<float> {
public:
using ConfigNumber<float>::ConfigNumber;
};
class ConfigUnsigned final : public ConfigNumber<unsigned int> {
public:
using ConfigNumber<unsigned int>::ConfigNumber;
};
class ConfigUnsigned64 final : public ConfigNumber<std::uint64_t> {
public:
using ConfigNumber<std::uint64_t>::ConfigNumber;
};
class ConfigSizeType final : public ConfigNumber<std::size_t> {
public:
using ConfigNumber<std::size_t>::ConfigNumber;
};
class ConfigString final : public IConfigValue {
public:
explicit ConfigString(const char* default_value);
virtual ~ConfigString(void) = default;
virtual void set(const char* value) override;
virtual const char* get(void) const override;
private:
std::string m_value;
};
class Config final {
public:
explicit Config(void) = default;
virtual ~Config(void) = default;
void load_cmdline(void);
bool load_file(const char* path);
bool save_file(const char* path) const;
bool set_value(const char* name, const char* value);
const char* get_value(const char* name) const;
void add_value(const char* name, IConfigValue& vref);
const IConfigValue* find(const char* name) const;
private:
std::unordered_map<std::string, IConfigValue*> m_values;
};
template<vx::Arithmetic T>
inline ConfigNumber<T>::ConfigNumber(T default_value)
{
m_value = default_value;
m_min_value = std::numeric_limits<T>::min();
m_max_value = std::numeric_limits<T>::max();
m_string = std::to_string(default_value);
}
template<vx::Arithmetic T>
inline ConfigNumber<T>::ConfigNumber(T default_value, T min_value, T max_value)
{
m_value = default_value;
m_min_value = min_value;
m_max_value = max_value;
m_string = std::to_string(default_value);
}
template<vx::Arithmetic T>
inline void ConfigNumber<T>::set(const char* value)
{
std::istringstream(value) >> m_value;
m_value = std::clamp(m_value, m_min_value, m_max_value);
m_string = std::to_string(m_value);
}
template<vx::Arithmetic T>
inline const char* ConfigNumber<T>::get(void) const
{
return m_string.c_str();
}
template<vx::Arithmetic T>
inline T ConfigNumber<T>::get_value(void) const
{
return m_value;
}
template<vx::Arithmetic T>
inline void ConfigNumber<T>::set_value(T value)
{
m_value = std::clamp(value, m_min_value, m_max_value);
m_string = std::to_string(m_value);
}
template<vx::Arithmetic T>
inline T ConfigNumber<T>::get_min_value(void) const
{
return m_min_value;
}
template<vx::Arithmetic T>
inline T ConfigNumber<T>::get_max_value(void) const
{
return m_max_value;
}
template<vx::Arithmetic T>
inline void ConfigNumber<T>::set_limits(T min_value, T max_value)
{
m_min_value = min_value;
m_max_value = max_value;
m_value = std::clamp(m_value, m_min_value, m_max_value);
m_string = std::to_string(m_value);
}
#endif /* CORE_CONFIG_HH */
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