lvar.c File Reference

Lua Variables. More...

#include <inttypes.h>
#include "lvar.h"
#include "array.h"
#include "nlua_time.h"
#include "nluadef.h"

Include dependency graph for lvar.c:

Go to the source code of this file.

Functions
static int	lvar_cmp (const void *p1, const void *p2)
	Compares two lua variable names. For use with qsort/bsearch.
static void	lvar_free (lvar *var)
	Frees a lua variable.
lvar *	lvar_get (const lvar *arr, const char *str)
	Gets a lua var by name.
int	lvar_push (lua_State *L, const lvar *v)
	Pushes a lua var to a lua state.
lvar	lvar_tovar (lua_State *L, const char *name, int idx)
	Gets a lua variable from an index from a lua state.
void	lvar_freeArray (lvar *arr)
	Frees a variable array.
int	lvar_addArray (lvar **arr, const lvar *new_var, int sort)
	Adds a var to a var array.
void	lvar_rmArray (lvar **arr, lvar *rm_var)
	Removes a var from a var array.
int	lvar_save (const lvar *arr, xmlTextWriterPtr writer)
	Saves the mission variables.
lvar *	lvar_load (xmlNodePtr parent)
	Loads the vars from XML file.

Detailed Description

Lua Variables.

Definition in file lvar.c.

Function Documentation

lvar_addArray()

int lvar_addArray	(	lvar **	arr,
		const lvar *	new_var,
		int	sort )

Adds a var to a var array.

Parameters

arr	Array to add var to (should be already initialized).
new_var	New variable to add to array.
sort	Whether or not to sort.

Returns

0 on success.

Definition at line 160 of file lvar.c.

lvar_cmp()

int lvar_cmp ( const void * p1, const void * p2 )

static

Compares two lua variable names. For use with qsort/bsearch.

Definition at line 26 of file lvar.c.

lvar_free()

void lvar_free ( lvar * var )

static

Frees a lua variable.

Parameters

var	Lua variable to free.

Definition at line 123 of file lvar.c.

lvar_freeArray()

void lvar_freeArray

(

lvar *

arr

)

Frees a variable array.

Parameters

arr	Array to free.

Definition at line 145 of file lvar.c.

lvar_get()

lvar * lvar_get	(	const lvar *	arr,
		const char *	str )

Gets a lua var by name.

Parameters

arr	Array to search in.
str	Name to use as a key.

Returns

Found element or NULL if not found.

Definition at line 41 of file lvar.c.

lvar_load()

lvar * lvar_load

(

xmlNodePtr

parent

)

Loads the vars from XML file.

Parameters

parent

Parent node containing the variables.

Returns

Newly allocated lua variable array or NULL on error.

Definition at line 241 of file lvar.c.

lvar_push()

int lvar_push	(	lua_State *	L,
		const lvar *	v )

Pushes a lua var to a lua state.

Parameters

L	Lua state to push to.
v	Lua variable to push.

Returns

Number of elements pushed onto the stack.

Definition at line 56 of file lvar.c.

lvar_rmArray()

void lvar_rmArray	(	lvar **	arr,
		lvar *	rm_var )

Removes a var from a var array.

Parameters

arr	Array to remove var from.
rm_var	Var to remove.

Definition at line 187 of file lvar.c.

lvar_save()

int lvar_save	(	const lvar *	arr,
		xmlTextWriterPtr	writer )

Saves the mission variables.

Parameters

arr	Array to save.
writer	XML Writer to use.

Returns

0 on success.

Definition at line 200 of file lvar.c.

lvar_tovar()

lvar lvar_tovar	(	lua_State *	L,
		const char *	name,
		int	idx )

Gets a lua variable from an index from a lua state.

Parameters

L	Lua state to get var from.
name	Name of the variable.
idx	Index to get value from.

Returns

New lua variable that should be freed with lvar_free().

Definition at line 86 of file lvar.c.