exprtk::results_context< T > Class Template Reference

#include <exprtk.hpp>

Public Types
typedef type_store< T >	type_store_t
typedef type_store_t::scalar_view	scalar_t
typedef type_store_t::vector_view	vector_t
typedef type_store_t::string_view	string_t

Public Member Functions
	results_context ()
std::size_t	count () const
type_store_t &	operator[] (const std::size_t &index)
const type_store_t &	operator[] (const std::size_t &index) const
bool	get_scalar (const std::size_t &index, T &out) const
template<typename OutputIterator>
bool	get_vector (const std::size_t &index, OutputIterator out_itr) const
bool	get_vector (const std::size_t &index, std::vector< T > &out) const
bool	get_string (const std::size_t &index, std::string &out) const

Private Types
typedef std::vector< type_store_t >	ts_list_t
typedef type_store_t::parameter_list	parameter_list_t

Private Member Functions
void	clear ()
void	assign (const parameter_list_t &pl)

Private Attributes
bool	results_available_
ts_list_t	parameter_list_

Friends
class	details::return_node< T >
class	details::return_envelope_node< T >

Detailed Description

template<typename T>
class exprtk::results_context< T >

Definition at line 5031 of file exprtk.hpp.

Member Typedef Documentation

parameter_list_t

template<typename T>

typedef type_store_t::parameter_list exprtk::results_context< T >::parameter_list_t

private

Definition at line 5125 of file exprtk.hpp.

scalar_t

template<typename T>

typedef type_store_t::scalar_view exprtk::results_context< T >::scalar_t

Definition at line 5036 of file exprtk.hpp.

string_t

template<typename T>

typedef type_store_t::string_view exprtk::results_context< T >::string_t

Definition at line 5038 of file exprtk.hpp.

ts_list_t

template<typename T>

typedef std::vector<type_store_t> exprtk::results_context< T >::ts_list_t

private

Definition at line 5124 of file exprtk.hpp.

type_store_t

template<typename T>

typedef type_store<T> exprtk::results_context< T >::type_store_t

Definition at line 5035 of file exprtk.hpp.

vector_t

template<typename T>

typedef type_store_t::vector_view exprtk::results_context< T >::vector_t

Definition at line 5037 of file exprtk.hpp.

Constructor & Destructor Documentation

results_context()

template<typename T>

exprtk::results_context< T >::results_context ( )

inline

Definition at line 5040 of file exprtk.hpp.

      : results_available_(false)
      {}

References results_available_.

Member Function Documentation

assign()

template<typename T>

void exprtk::results_context< T >::assign ( const parameter_list_t & pl )

inlineprivate

Definition at line 5127 of file exprtk.hpp.

      {
         parameter_list_    = pl.parameter_list_;
         results_available_ = true;
      }

References parameter_list_, exprtk::type_store< T >::parameter_list::parameter_list_, and results_available_.

clear()

template<typename T>

void exprtk::results_context< T >::clear ( )

inlineprivate

Definition at line 5119 of file exprtk.hpp.

      {
         results_available_ = false;
      }

References results_available_.

count()

template<typename T>

std::size_t exprtk::results_context< T >::count ( ) const

inline

Definition at line 5044 of file exprtk.hpp.

      {
         if (results_available_)
            return parameter_list_.size();
         else
            return 0;
      }

References parameter_list_, and results_available_.

Referenced by expression_processor< T >::print_results(), expression_processor< T >::process(), result_equal(), results_to_string(), and run_test21().

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get_scalar()

template<typename T>

bool exprtk::results_context< T >::get_scalar ( const std::size_t & index, T & out ) const

inline

Definition at line 5062 of file exprtk.hpp.

      {
         if (
              (index < parameter_list_.size()) &&
              (parameter_list_[index].type == type_store_t::e_scalar)
            )
         {
            const scalar_t scalar(parameter_list_[index]);
            out = scalar();
            return true;
         }
 
         return false;
      }

References exprtk::type_store< T >::e_scalar, and parameter_list_.

get_string()

template<typename T>

bool exprtk::results_context< T >::get_string ( const std::size_t & index, std::string & out ) const

inline

Definition at line 5102 of file exprtk.hpp.

      {
         if (
              (index < parameter_list_.size()) &&
              (parameter_list_[index].type == type_store_t::e_string)
            )
         {
            const string_t str(parameter_list_[index]);
            out.assign(str.begin(),str.size());
            return true;
         }
 
         return false;
      }

References exprtk::type_store< T >::type_view< ViewType >::begin(), exprtk::type_store< T >::e_string, parameter_list_, and exprtk::type_store< T >::type_view< ViewType >::size().

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get_vector() [1/2]

template<typename T>

template<typename OutputIterator>

bool exprtk::results_context< T >::get_vector ( const std::size_t & index, OutputIterator out_itr ) const

inline

Definition at line 5078 of file exprtk.hpp.

      {
         if (
              (index < parameter_list_.size()) &&
              (parameter_list_[index].type == type_store_t::e_vector)
            )
         {
            const vector_t vector(parameter_list_[index]);
            for (std::size_t i = 0; i < vector.size(); ++i)
            {
               *(out_itr++) = vector[i];
            }
 
            return true;
         }
 
         return false;
      }

References exprtk::type_store< T >::e_vector, parameter_list_, and exprtk::type_store< T >::type_view< ViewType >::size().

Referenced by get_vector().

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get_vector() [2/2]

template<typename T>

bool exprtk::results_context< T >::get_vector ( const std::size_t & index, std::vector< T > & out ) const

inline

Definition at line 5097 of file exprtk.hpp.

      {
         return get_vector(index,std::back_inserter(out));
      }

References get_vector().

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operator[]() [1/2]

template<typename T>

type_store_t & exprtk::results_context< T >::operator[] ( const std::size_t & index )

inline

Definition at line 5052 of file exprtk.hpp.

      {
         return parameter_list_[index];
      }

References parameter_list_.

operator[]() [2/2]

template<typename T>

const type_store_t & exprtk::results_context< T >::operator[] ( const std::size_t & index ) const

inline

Definition at line 5057 of file exprtk.hpp.

      {
         return parameter_list_[index];
      }

References parameter_list_.

Friends And Related Symbol Documentation

details::return_envelope_node< T >

template<typename T>

friend class details::return_envelope_node< T >

friend

Definition at line 5134 of file exprtk.hpp.

References parameter_list_.

details::return_node< T >

template<typename T>

friend class details::return_node< T >

friend

Definition at line 5134 of file exprtk.hpp.

Member Data Documentation

parameter_list_

template<typename T>

ts_list_t exprtk::results_context< T >::parameter_list_

private

Definition at line 5134 of file exprtk.hpp.

Referenced by assign(), count(), details::return_envelope_node< T >, get_scalar(), get_string(), get_vector(), operator[](), and operator[]().

results_available_

template<typename T>

bool exprtk::results_context< T >::results_available_

private

Definition at line 5133 of file exprtk.hpp.

Referenced by assign(), clear(), count(), and results_context().

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The documentation for this class was generated from the following file:

• exprtk/exprtk.hpp