ProcedureDeclaration Class Reference

#include <Pt/JsonRpc/ProcedureDeclaration.h>

Maps parameter names to positional indices for named parameters. More...

Public Member Functions
	ProcedureDeclaration ()
	Default constructor.
void	setParamName (std::size_t index, const std::string &name)
	Register a parameter name at a positional index.
int	getParamIndex (const std::string &name) const
	Lookup positional index by parameter name. More...
const std::string &	getParamName (std::size_t index) const
	Lookup parameter name by positional index. More...
std::size_t	paramCount () const
	Returns the number of named parameters.
bool	hasNames () const
	Returns true if any parameter names are registered.

Detailed Description

JSON-RPC 2.0 allows parameters to be passed as a JSON object with named keys. The ProcedureDeclaration maps each name to its positional index so the Responder can dispatch named parameters to the correct Composer.

Member Function Documentation

getParamIndex()

int getParamIndex

(

const std::string &

name

)

const

Returns

The index, or -1 if not found.

getParamName()

const std::string& getParamName

(

std::size_t

index

)

const

Returns

The name, or an empty string if index is out of range.