Argument.h

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#ifndef STORM_SETTINGS_ARGUMENT_H_
#define STORM_SETTINGS_ARGUMENT_H_
 
#include <functional>
#include <iostream>
#include <list>
#include <memory>
#include <sstream>
#include <string>
#include <unordered_map>
#include <utility>
#include <vector>
 
#include "storm/settings/ArgumentBase.h"
#include "storm/utility/macros.h"
 
#include "storm/exceptions/ArgumentUnificationException.h"
#include "storm/settings/ArgumentType.h"
 
namespace storm {
namespace settings {
 
template<typename ValueType>
class ArgumentValidator;
 
template<typename T>
class Argument : public ArgumentBase {
   public:
    Argument(std::string const& name, std::string const& description, std::vector<std::shared_ptr<ArgumentValidator<T>>> const& validators);
 
    Argument(std::string const& name, std::string const& description, std::vector<std::shared_ptr<ArgumentValidator<T>>> const& validators, bool isOptional,
             T defaultValue);
 
    virtual bool getIsOptional() const override;
 
    bool setFromStringValue(std::string const& fromStringValue) override;
 
    bool setFromTypeValue(T const& newValue, bool hasBeenSet = true);
 
    virtual ArgumentType getType() const override;
 
    template<typename S>
    bool isCompatibleWith(Argument<S> const& other) const {
        STORM_LOG_THROW(this->getType() == other.getType(), storm::exceptions::ArgumentUnificationException,
                        "Unable to unify the arguments " << this->getName() << " and " << other.getName() << ", because they have different types.");
        STORM_LOG_THROW(this->getIsOptional() == other.getIsOptional(), storm::exceptions::ArgumentUnificationException,
                        "Unable to unify the arguments '" << this->getName() << "' and '" << other.getName()
                                                          << "', because one of them is optional and the other one is not.");
        STORM_LOG_THROW(this->getHasDefaultValue() == other.getHasDefaultValue(), storm::exceptions::ArgumentUnificationException,
                        "Unable to unify the arguments " << this->getName() << " and " << other.getName()
                                                         << ", because one of them has a default value and the other one does not.");
        return true;
    }
 
    T const& getArgumentValue() const;
 
    virtual bool getHasDefaultValue() const override;
 
    void setFromDefaultValue() override;
 
    virtual bool wasSetFromDefaultValue() const override;
 
    virtual std::string getValueAsString() const override;
 
    virtual int_fast64_t getValueAsInteger() const override;
 
    virtual uint_fast64_t getValueAsUnsignedInteger() const override;
 
    virtual double getValueAsDouble() const override;
 
    virtual bool getValueAsBoolean() const override;
 
    virtual void printToStream(std::ostream& out) const override;
 
   private:
    // The value of the argument (in case it has been set).
    T argumentValue;
 
    // The type of the argument.
    ArgumentType argumentType;
 
    // The validation functions that were registered for this argument.
    std::vector<std::shared_ptr<ArgumentValidator<T>>> validators;
 
    // A flag indicating whether this argument is optional.
    bool isOptional;
 
    // The default value for the argument (in case one has been provided).
    T defaultValue;
 
    // A flag indicating whether a default value has been provided.
    bool hasDefaultValue;
 
    // A flag indicating whether the argument was set from the default value.
    bool wasSetFromDefaultValueFlag;
 
    void setDefaultValue(T const& newDefault);
 
    bool validate(T const& value) const;
};
}  // namespace settings
}  // namespace storm
 
#endif  // STORM_SETTINGS_ARGUMENT_H_