lua.h File Reference

#include <lua.hpp>
#include <ssrc/wispers-packages.h>
#include <string>
#include <stdexcept>

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Classes
struct	LuaCallError
Namespaces
namespace	Lua
	The Lua C API from <lua.hpp> can be accessed via the Lua namespace if required, but it is intended for internal use by the library to avoid polluting the global namespace.
namespace	detail
Functions
template<typename R >
R	convert (lua_State *state, int index=-1)
template<>
bool	convert< bool > (lua_State *state, int index)
template<>
int	convert< int > (lua_State *state, int index)
template<>
unsigned int	convert< unsigned int > (lua_State *state, int index)
template<>
string	convert< string > (lua_State *state, int index)
template<>
const char *	convert< const char * > (lua_State *state, int index)
template<>
lua_Number	convert< lua_Number > (lua_State *state, int index)
void	push_value (lua_State *state, const bool value)
void	push_value (lua_State *state, const int value)
void	push_value (lua_State *state, const lua_Number value)
void	push_value (lua_State *state, const char *value)
void	push_value (lua_State *state, const string &value)
void	push_value (lua_State *state, void *value)
void	push_value (lua_State *state, const void *value)
void	push_values (lua_State *)
template<typename P >
void	push_values (lua_State *state, const P &p)
template<typename T , typename... P>
void	push_values (lua_State *state, const T &t, const P &...p)
template<typename V >
void	set_field (lua_State *state, int index, const V &value, const char *const field)
template<typename V >
void	set_field (lua_State *state, int index, const V &value, const string &field)
template<typename V >
void	set_field (lua_State *state, int index, const V &value, int n)
void	detail::_get_field (lua_State *state, int index, const char *const field)
void	detail::_get_field (lua_State *state, int index, const string &field)
template<typename V >
void	detail::_create_value (lua_State *state, const V &value, const char *const field)
template<typename V >
void	detail::_create_value (lua_State *state, const V &value, const string &field)
template<typename V , typename... P>
void	detail::_create_value (lua_State *state, const V &value, const char *const field, P...p)
template<typename V >
void	detail::_set_value (lua_State *state, const V &value, const char *const field)
template<typename V >
void	detail::_set_value (lua_State *state, const V &value, const string &field)
template<typename V , typename... P>
void	detail::_set_value (lua_State *state, const V &value, const char *const field, P...p)
void	get_global (lua_State *state, const char *const field)
void	get_global (lua_State *state, const string &field)
template<typename V >
void	set_global (lua_State *state, const V &value, const char *const field)
template<typename V >
void	set_global (lua_State *state, const V &value, const string &field)
template<typename R >
const R	get_field (const R &default_value, lua_State *state, int index, const char *const field)
template<typename R >
const R	get_field (const R &default_value, lua_State *state, int index, const string &field)
template<typename R >
const R	get_field (const R &default_value, lua_State *state, int index, int n)
template<typename R , typename... P>
const R	get_field (const R &default_value, lua_State *state, int index, const char *const field, P...p)
template<typename R >
const R	get_field (lua_State *state, int index, const char *const field)
template<typename R >
const R	get_field (lua_State *state, int index, const string &field)
template<typename R >
const R	get_field (lua_State *state, int index, int n)
template<typename R , typename... P>
const R	get_field (lua_State *state, int index, const char *const field, P...p)
template<typename R >
const R	get_value (const R &default_value, lua_State *state, const char *const var)
template<typename R >
const R	get_value (const R &default_value, lua_State *state, const string &var)
template<typename R , typename... P>
const R	get_value (const R &default_value, lua_State *state, const char *const var, P...p)
template<typename R >
const R	get_value (lua_State *state, const char *const var)
template<typename R >
const R	get_value (lua_State *state, const string &var)
template<typename R , typename... P>
const R	get_value (lua_State *state, const char *const var, P...p)
template<typename V >
void	create_value (lua_State *state, const V &value, const char *const var)
template<typename V >
void	create_value (lua_State *state, const V &value, const string &var)
template<typename V , typename... P>
void	create_value (lua_State *state, const V &value, const char *const var, P...p)
template<typename V , typename... P>
void	set_field (lua_State *state, int index, const V &value, const char *const field, P...p)
template<typename V >
void	set_value (lua_State *state, const V &value, const char *const var)
template<typename V >
void	set_value (lua_State *state, const V &value, const string &var)
template<typename V , typename... P>
void	set_value (lua_State *state, const V &value, const char *const var, P...p)
template<typename I >
void	prepend_package_path (lua_State *state, const I &begin, const I &end)
template<typename... P>
void	pcall_nopop (const int nargs, const int nresults, lua_State *state, P...p) SSRC_DECL_THROW(LuaCallError)
	Assumes function has already been pushed to top of stack.
template<typename... P>
void	pcall_nopop (const int nresults, lua_State *state, P...p) SSRC_DECL_THROW(LuaCallError)
template<typename R , typename... P>
R	pcall_ret (lua_State *state, const P &...p) SSRC_DECL_THROW(LuaCallError)
	Currently, we support only one return value, but it should be possible to work things out to specify multiple return values and return them via a tuple.
template<typename... P>
void	pcall (lua_State *state, const P &...p) SSRC_DECL_THROW(LuaCallError)

---

Function Documentation

template<typename R >

R convert	(	lua_State *	state,
		int	index = -1
	)		[inline]

template<>

bool convert< bool >	(	lua_State *	state,
		int	index
	)		[inline]

Definition at line 46 of file lua.h.

Referenced by table_to_properties().

template<>

const char* convert< const char * >	(	lua_State *	state,
		int	index
	)		[inline]

Definition at line 65 of file lua.h.

template<>

int convert< int >	(	lua_State *	state,
		int	index
	)		[inline]

Definition at line 50 of file lua.h.

template<>

lua_Number convert< lua_Number >	(	lua_State *	state,
		int	index
	)		[inline]

Definition at line 69 of file lua.h.

Referenced by table_to_properties().

template<>

string convert< string >	(	lua_State *	state,
		int	index
	)		[inline]

Definition at line 59 of file lua.h.

Referenced by table_to_properties().

template<>

unsigned int convert< unsigned int >	(	lua_State *	state,
		int	index
	)		[inline]

Definition at line 55 of file lua.h.

template<typename V >

void create_value	(	lua_State *	state,
		const V &	value,
		const char *const	var
	)		[inline]

Definition at line 352 of file lua.h.

References set_global().

template<typename V >

void create_value	(	lua_State *	state,
		const V &	value,
		const string &	var
	)		[inline]

Definition at line 359 of file lua.h.

References set_global().

template<typename V , typename... P>

void create_value	(	lua_State *	state,
		const V &	value,
		const char *const	var,
		P...	p
	)		[inline]

Definition at line 366 of file lua.h.

References detail::_create_value().

template<typename R >

const R get_field	(	const R &	default_value,
		lua_State *	state,
		int	index,
		const char *const	field
	)		[inline]

Definition at line 222 of file lua.h.

Referenced by get_field().

template<typename R >

const R get_field	(	const R &	default_value,
		lua_State *	state,
		int	index,
		const string &	field
	)		[inline]

Definition at line 235 of file lua.h.

References detail::_get_field().

template<typename R >

const R get_field	(	const R &	default_value,
		lua_State *	state,
		int	index,
		int	n
	)		[inline]

Definition at line 248 of file lua.h.

template<typename R , typename... P>

const R get_field	(	const R &	default_value,
		lua_State *	state,
		int	index,
		const char *const	field,
		P...	p
	)		[inline]

Definition at line 261 of file lua.h.

template<typename R >

const R get_field	(	lua_State *	state,
		int	index,
		const char *const	field
	)		[inline]

Definition at line 276 of file lua.h.

References get_field().

template<typename R >

const R get_field	(	lua_State *	state,
		int	index,
		const string &	field
	)		[inline]

Definition at line 281 of file lua.h.

References get_field().

template<typename R >

const R get_field	(	lua_State *	state,
		int	index,
		int	n
	)		[inline]

Definition at line 286 of file lua.h.

References get_field().

template<typename R , typename... P>

const R get_field	(	lua_State *	state,
		int	index,
		const char *const	field,
		P...	p
	)		[inline]

Definition at line 291 of file lua.h.

References get_field().

void get_global	(	lua_State *	state,
		const char *const	field
	)		[inline]

Definition at line 196 of file lua.h.

Referenced by get_value(), prepend_package_path(), and set_value().

void get_global	(	lua_State *	state,
		const string &	field
	)		[inline]

Definition at line 200 of file lua.h.

References push_value().

template<typename R >

const R get_value	(	const R &	default_value,
		lua_State *	state,
		const char *const	var
	)		[inline]

Definition at line 300 of file lua.h.

References get_global().

Referenced by get_value().

template<typename R >

const R get_value	(	const R &	default_value,
		lua_State *	state,
		const string &	var
	)		[inline]

Definition at line 312 of file lua.h.

References get_global().

template<typename R , typename... P>

const R get_value	(	const R &	default_value,
		lua_State *	state,
		const char *const	var,
		P...	p
	)		[inline]

Definition at line 324 of file lua.h.

References get_global().

template<typename R >

const R get_value	(	lua_State *	state,
		const char *const	var
	)		[inline]

Definition at line 337 of file lua.h.

References get_value().

template<typename R >

const R get_value	(	lua_State *	state,
		const string &	var
	)		[inline]

Definition at line 342 of file lua.h.

References get_value().

template<typename R , typename... P>

const R get_value	(	lua_State *	state,
		const char *const	var,
		P...	p
	)		[inline]

Definition at line 347 of file lua.h.

References get_value().

template<typename... P>

void pcall	(	lua_State *	state,
		const P &...	p
	)		[inline]

Definition at line 478 of file lua.h.

References pcall_nopop().

Referenced by Renderer::clear_template_cache(), Relay::finish_post(), Renderer::render_and_cache(), Renderer::uncache_environment(), and Renderer::uncache_template().

template<typename... P>

void pcall_nopop	(	const int	nargs,
		const int	nresults,
		lua_State *	state,
		P...	p
	)		[inline]

Assumes function has already been pushed to top of stack.

The nargs parameter is to allow you to pre-push values onto the stack.

Definition at line 441 of file lua.h.

References push_values().

Referenced by Relay::finish_post(), Renderer::load_environment(), pcall(), pcall_nopop(), pcall_ret(), ServletRunner::process_fcgi_request(), Renderer::render_and_cache(), and Renderer::send_error().

template<typename... P>

void pcall_nopop	(	const int	nresults,
		lua_State *	state,
		P...	p
	)		[inline]

Definition at line 456 of file lua.h.

References pcall_nopop().

template<typename R , typename... P>

R pcall_ret	(	lua_State *	state,
		const P &...	p
	)		[inline]

Currently, we support only one return value, but it should be possible to work things out to specify multiple return values and return them via a tuple.

Definition at line 468 of file lua.h.

References pcall_nopop().

template<typename I >

void prepend_package_path	(	lua_State *	state,
		const I &	begin,
		const I &	end
	)		[inline]

Definition at line 412 of file lua.h.

References get_global(), and set_field().

Referenced by _lua_init_global_environment_ref(), and ServletRunner::ServletRunner().

void push_value	(	lua_State *	state,
		const bool	value
	)		[inline]

Definition at line 73 of file lua.h.

Referenced by detail::_get_field(), Relay::finish_post(), get_global(), map_to_table(), push_values(), set_field(), and set_global().

void push_value	(	lua_State *	state,
		const int	value
	)		[inline]

Definition at line 77 of file lua.h.

void push_value	(	lua_State *	state,
		const lua_Number	value
	)		[inline]

Definition at line 81 of file lua.h.

void push_value	(	lua_State *	state,
		const char *	value
	)		[inline]

Definition at line 85 of file lua.h.

void push_value	(	lua_State *	state,
		const string &	value
	)		[inline]

Definition at line 89 of file lua.h.

void push_value	(	lua_State *	state,
		void *	value
	)		[inline]

Definition at line 93 of file lua.h.

void push_value	(	lua_State *	state,
		const void *	value
	)		[inline]

Definition at line 97 of file lua.h.

void push_values

(

lua_State *

)

[inline]

Definition at line 102 of file lua.h.

Referenced by pcall_nopop(), and push_values().

template<typename P >

void push_values	(	lua_State *	state,
		const P &	p
	)		[inline]

Definition at line 105 of file lua.h.

References push_value().

template<typename T , typename... P>

void push_values	(	lua_State *	state,
		const T &	t,
		const P &...	p
	)		[inline]

Definition at line 110 of file lua.h.

References push_value(), and push_values().

template<typename V >

void set_field	(	lua_State *	state,
		int	index,
		const V &	value,
		const char *const	field
	)		[inline]

Definition at line 116 of file lua.h.

References push_value().

Referenced by detail::_create_value(), detail::_set_value(), map_to_table(), prepend_package_path(), and set_field().

template<typename V >

void set_field	(	lua_State *	state,
		int	index,
		const V &	value,
		const string &	field
	)		[inline]

Definition at line 124 of file lua.h.

References push_value().

template<typename V >

void set_field	(	lua_State *	state,
		int	index,
		const V &	value,
		int	n
	)		[inline]

Definition at line 133 of file lua.h.

References push_value().

template<typename V , typename... P>

void set_field	(	lua_State *	state,
		int	index,
		const V &	value,
		const char *const	field,
		P...	p
	)		[inline]

Definition at line 375 of file lua.h.

References set_field().

template<typename V >

void set_global	(	lua_State *	state,
		const V &	value,
		const char *const	field
	)		[inline]

Definition at line 206 of file lua.h.

References push_value().

Referenced by create_value(), and set_value().

template<typename V >

void set_global	(	lua_State *	state,
		const V &	value,
		const string &	field
	)		[inline]

Definition at line 214 of file lua.h.

References push_value().

template<typename V >

void set_value	(	lua_State *	state,
		const V &	value,
		const char *const	var
	)		[inline]

Definition at line 390 of file lua.h.

References set_global().

Referenced by Relay::finish_post(), and Renderer::render_and_cache().

template<typename V >

void set_value	(	lua_State *	state,
		const V &	value,
		const string &	var
	)		[inline]

Definition at line 397 of file lua.h.

References set_global().

template<typename V , typename... P>

void set_value	(	lua_State *	state,
		const V &	value,
		const char *const	var,
		P...	p
	)		[inline]

Definition at line 402 of file lua.h.

References detail::_set_value(), and get_global().