exprtk::lexer::helper::symbol_replacer Class Reference

#include <exprtk.hpp>

Inheritance diagram for exprtk::lexer::helper::symbol_replacer:

Collaboration diagram for exprtk::lexer::helper::symbol_replacer:

Public Member Functions
bool	remove (const std::string &target_symbol)
bool	add_replace (const std::string &target_symbol, const std::string &replace_symbol, const lexer::token::token_type token_type=lexer::token::e_symbol)
void	clear ()
Public Member Functions inherited from exprtk::lexer::token_modifier
std::size_t	process (generator &g)
Public Member Functions inherited from exprtk::lexer::helper_interface
virtual void	init ()
virtual void	reset ()
virtual bool	result ()
virtual	~helper_interface ()

Private Types
typedef std::map< std::string, std::pair< std::string, token::token_type >, details::ilesscompare >	replace_map_t

Private Member Functions
bool	modify (lexer::token &t)

Private Attributes
replace_map_t	replace_map_

Detailed Description

Definition at line 3928 of file exprtk.hpp.

Member Typedef Documentation

replace_map_t

typedef std::map<std::string,std::pair<std::string,token::token_type>,details::ilesscompare> exprtk::lexer::helper::symbol_replacer::replace_map_t

private

Definition at line 3932 of file exprtk.hpp.

Member Function Documentation

add_replace()

bool exprtk::lexer::helper::symbol_replacer::add_replace ( const std::string & target_symbol, const std::string & replace_symbol, const lexer::token::token_type token_type = lexer::token::e_symbol )

inline

Definition at line 3948 of file exprtk.hpp.

            {
               const replace_map_t::iterator itr = replace_map_.find(target_symbol);
 
               if (replace_map_.end() != itr)
               {
                  return false;
               }
 
               replace_map_[target_symbol] = std::make_pair(replace_symbol,token_type);
 
               return true;
            }

References exprtk::lexer::token::e_symbol, and replace_map_.

clear()

void exprtk::lexer::helper::symbol_replacer::clear ( )

inline

Definition at line 3964 of file exprtk.hpp.

            {
               replace_map_.clear();
            }

References replace_map_.

modify()

bool exprtk::lexer::helper::symbol_replacer::modify ( lexer::token & t )

inlineprivatevirtual

Implements exprtk::lexer::token_modifier.

Definition at line 3971 of file exprtk.hpp.

            {
               if (lexer::token::e_symbol == t.type)
               {
                  if (replace_map_.empty())
                     return false;
 
                  const replace_map_t::iterator itr = replace_map_.find(t.value);
 
                  if (replace_map_.end() != itr)
                  {
                     t.value = itr->second.first;
                     t.type  = itr->second.second;
 
                     return true;
                  }
               }
 
               return false;
            }

References exprtk::lexer::token::e_symbol, exprtk_override, and replace_map_.

remove()

bool exprtk::lexer::helper::symbol_replacer::remove ( const std::string & target_symbol )

inline

Definition at line 3936 of file exprtk.hpp.

            {
               const replace_map_t::iterator itr = replace_map_.find(target_symbol);
 
               if (replace_map_.end() == itr)
                  return false;
 
               replace_map_.erase(itr);
 
               return true;
            }

References replace_map_.

Member Data Documentation

replace_map_

replace_map_t exprtk::lexer::helper::symbol_replacer::replace_map_

private

Definition at line 3992 of file exprtk.hpp.

Referenced by add_replace(), clear(), modify(), and remove().

---

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

• exprtk/exprtk.hpp