GetOptionalParameter.h File Reference

Header. More...

#include <json/value.h>

Go to the source code of this file.

Classes
struct	osvr::vbtracker::detail::JsonTypeGetter< T >

Namespaces
	osvr
	The main namespace for all C++ elements of the framework, internal and external.

Macros
#define	OSVR_DECLARE_JSON_TYPE_GETTER(TYPENAME, METHOD)

Functions
template<typename T >
T	osvr::vbtracker::json_cast (Json::Value const &val)
template<typename T >
void	osvr::vbtracker::getOptionalParameter (T &dest, Json::Value const &obj, const char *key)
	Gets an optional parameter from a JSON object: if it's not present, the existing value is left there. More...
template<typename T , Json::Value::ArrayIndex N>
void	osvr::vbtracker::getOptionalParameter (T(&dest)[N], Json::Value const &obj, const char *key)
	Gets an optional array parameter from a JSON object: if it's not present and the exact size, the existing value is left there. More...

Detailed Description

Header.

Date

2015

Author

Sensics, Inc. http://sensics.com/osvr

Macro Definition Documentation

OSVR_DECLARE_JSON_TYPE_GETTER

#define OSVR_DECLARE_JSON_TYPE_GETTER	(		TYPENAME,
			METHOD
	)

Value:

template <> struct JsonTypeGetter<TYPENAME> {                              \
        static TYPENAME apply(Json::Value const &val) { return val.METHOD(); } \
    };

Function Documentation

getOptionalParameter() [1/2]

template<typename T >

void osvr::vbtracker::getOptionalParameter ( T &  dest, Json::Value const &  obj, const char *  key  )

inline

Gets an optional parameter from a JSON object: if it's not present, the existing value is left there.

getOptionalParameter() [2/2]

template<typename T , Json::Value::ArrayIndex N>

void osvr::vbtracker::getOptionalParameter ( T(&)  dest[N], Json::Value const &  obj, const char *  key  )

inline

Gets an optional array parameter from a JSON object: if it's not present and the exact size, the existing value is left there.