cast.hpp File Reference

#include <alps/config.hpp>
#include <alps/utilities/stacktrace.hpp>
#include <boost/bind.hpp>
#include <string>
#include <complex>
#include <typeinfo>
#include <type_traits>
#include <algorithm>
#include <stdexcept>
#include <cstdio>

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Classes
struct	alps::bad_cast
struct	alps::cast_hook< U, T >
struct	alps::cast_hook< std::string, short >
struct	alps::cast_hook< short, std::string >
struct	alps::cast_hook< std::string, int >
struct	alps::cast_hook< int, std::string >
struct	alps::cast_hook< std::string, long >
struct	alps::cast_hook< long, std::string >
struct	alps::cast_hook< std::string, unsigned short >
struct	alps::cast_hook< unsigned short, std::string >
struct	alps::cast_hook< std::string, unsigned int >
struct	alps::cast_hook< unsigned int, std::string >
struct	alps::cast_hook< std::string, unsigned long >
struct	alps::cast_hook< unsigned long, std::string >
struct	alps::cast_hook< std::string, float >
struct	alps::cast_hook< float, std::string >
struct	alps::cast_hook< std::string, double >
struct	alps::cast_hook< double, std::string >
struct	alps::cast_hook< std::string, long double >
struct	alps::cast_hook< long double, std::string >
struct	alps::cast_hook< std::string, long long >
struct	alps::cast_hook< long long, std::string >
struct	alps::cast_hook< std::string, unsigned long long >
struct	alps::cast_hook< unsigned long long, std::string >
struct	alps::cast_hook< std::string, bool >
struct	alps::cast_hook< bool, std::string >
struct	alps::cast_hook< std::string, char >
struct	alps::cast_hook< char, std::string >
struct	alps::cast_hook< std::string, signed char >
struct	alps::cast_hook< signed char, std::string >
struct	alps::cast_hook< std::string, unsigned char >
struct	alps::cast_hook< unsigned char, std::string >
struct	alps::cast_hook< U, std::complex< T > >
struct	alps::cast_hook< std::complex< U >, T >
struct	alps::cast_hook< std::complex< U >, std::complex< T > >
struct	alps::cast_hook< std::string, std::complex< T > >
struct	alps::cast_hook< std::complex< T >, std::string >

Namespaces
	alps

Macros
#define	ALPS_CAST_STRING(T, p, c)
#define	ALPS_CAST_STRING_CHAR(T, U)

Functions
template<typename U , typename T >
U	alps::cast (T const &)
template<typename U , typename T >
void	alps::cast (U const *src, U const *end, T *dest)

Macro Definition Documentation

#define ALPS_CAST_STRING	(		T,
			p,
			c
	)

Value:

template<> struct cast_hook<std::string, T > {                                \
            static inline std::string apply( T arg) {                                \
                char buffer[255];                                                    \
                if (sprintf(buffer, "%" p "" c, arg) < 0)                            \
                    throw std::runtime_error(                                        \
                        "error casting from " #T " to string" + ALPS_STACKTRACE        \
                    );                                                                \
                return buffer;                                                        \
            }                                                                        \
        };                                                                            \
        template<> struct cast_hook< T, std::string> {                                \
            static inline T apply(std::string arg) {                                \
                T value = 0;                                                        \
                if (arg.size() && sscanf(arg.c_str(), "%" c, &value) < 0)            \
                    throw std::runtime_error(                                        \
                          "error casting from string to " #T ": "                    \
                        + arg + ALPS_STACKTRACE                                        \
                    );                                                                \
                return value;                                                        \
            }                                                                        \
        };

Definition at line 68 of file cast.hpp.

#define ALPS_CAST_STRING_CHAR	(		T,
			U
	)

Value:

template<> struct cast_hook<std::string, T > {                                \
            static inline std::string apply( T arg) {                                \
                return cast_hook<std::string, U>::apply(arg);                        \
            }                                                                        \
        };                                                                            \
        template<> struct cast_hook<T, std::string> {                                \
            static inline T apply(std::string arg) {                                \
                return cast_hook< U , std::string>::apply(arg);                        \
            }                                                                        \
        };

Definition at line 103 of file cast.hpp.