amxp_expression.h File Reference

Ambiorix expression parser and evaluate API header file. More...

Go to the source code of this file.

Data Structures
struct	_amxp_expr

Typedefs
typedef struct _amxp_expr	amxp_expr_t
typedef enum _expr_status	amxp_expr_status_t
	Expression status/error codes. More...
typedef ssize_t(*	amxp_expr_reader_t) (amxp_expr_t *expr, void *buf, size_t max_size)
	Expression reader function. More...
typedef amxp_expr_status_t(*	amxp_expr_get_field_t) (amxp_expr_t *expr, amxc_var_t *value, const char *path, void *priv)
	Field fetcher function signature. More...
typedef amxp_expr_status_t(*	amxp_expr_value_func_t) (amxp_expr_t *expr, amxc_var_t *args, amxc_var_t *ret)
	Callback function that can "calculate" a value. More...
typedef bool(*	amxp_expr_bool_func_t) (amxp_expr_t *expr, amxc_var_t *args)
	Callback function that evaluates to true or false. More...
typedef struct _amxp_expr_node	amxp_expr_node_t

Enumerations
enum	_expr_status {   amxp_expr_status_ok , amxp_expr_status_unknown_error , amxp_expr_status_syntax_error , amxp_expr_status_field_not_found ,   amxp_expr_status_invalid_regexp , amxp_expr_status_invalid_value , amxp_expr_status_function_not_found }
	Expression status/error codes. More...

Functions
amxp_expr_status_t	amxp_expr_new (amxp_expr_t **expr, const char *expression)
	Allocates and initializes an expression. More...
amxp_expr_status_t	amxp_expr_buildf_new (amxp_expr_t **expr, const char *expr_fmt,...) __attribute__((format(printf
	Allocates and initializes an expression with format-string and safety checks. More...
amxp_expr_status_t amxp_expr_status_t	amxp_expr_vbuildf_new (amxp_expr_t **expr, const char *expr_fmt, va_list args)
	va_list version of amxp_expr_buildf_new More...
void	amxp_expr_delete (amxp_expr_t **expr)
	Deletes a previously allocated expression structure. More...
amxp_expr_status_t	amxp_expr_buildf (amxp_expr_t *expr, const char *expr_fmt,...) __attribute__((format(printf
	Initializes an expression structure. More...
amxp_expr_status_t amxp_expr_status_t	amxp_expr_vbuildf (amxp_expr_t *expr, const char *expr_fmt, va_list args)
	va_list version of amxp_expr_buildf More...
amxp_expr_status_t	amxp_expr_init (amxp_expr_t *expr, const char *expression)
	Initializes an expression structure. More...
void	amxp_expr_clean (amxp_expr_t *expr)
	Clean-up the expression structure. More...
void	amxp_expr_dump_tree (amxp_expr_t *expr)
	Dumps the binary tree in dot formatted text file to stdout. More...
bool	amxp_expr_evaluate (amxp_expr_t *expr, amxp_expr_get_field_t fn, void *priv, amxp_expr_status_t *status)
	Evaluates an expression. More...
bool	amxp_expr_eval (amxp_expr_t *expr, amxp_expr_status_t *status)
	Evaluates an expression. More...
bool	amxp_expr_eval_var (amxp_expr_t *expr, const amxc_var_t *const data, amxp_expr_status_t *status)
	Evaluates an expression against a composite variant. More...
int	amxp_expr_find_var_paths (const amxc_var_t *const var, amxc_llist_t *paths, const char *path)
	Search matching variant paths in a composite variant. More...
int	amxp_expr_find_var_values (const amxc_var_t *const var, amxc_htable_t *values, const char *path)
	Search matching variant paths in a composite variant. More...
amxc_var_t *	amxp_expr_find_var (const amxc_var_t *const var, const char *path)
	Search a matching variant and returns a pointer to that variant. More...
amxp_expr_status_t	amxp_expr_get_field_var (amxp_expr_t *expr, amxc_var_t *value, const char *path, void *priv)
	Variant field fetcher implementation. More...
bool	amxp_expr_eval_set (amxp_expr_t *expr, const amxc_set_t *const data, amxp_expr_status_t *status)
	Evaluates an expression against a set. More...
amxp_expr_status_t	amxp_expr_get_field_set (amxp_expr_t *expr, amxc_var_t *value, const char *path, void *priv)
	Flag field fetcher implementation for sets. More...
int	amxp_expr_add_value_fn (const char *fn_name, amxp_expr_value_func_t fn)
	Adds a value calculation function. More...
int	amxp_expr_add_bool_fn (const char *fn_name, amxp_expr_bool_func_t fn)
	Adds a boolean evaluation function. More...
const char *	amxp_expr_get_string (amxp_expr_t *expr)
	Returns the string representation of the given expression. More...

Detailed Description

Ambiorix expression parser and evaluate API header file.

Definition in file amxp_expression.h.

Typedef Documentation

amxp_expr_node_t

typedef struct _amxp_expr_node amxp_expr_node_t

Definition at line 240 of file amxp_expression.h.

amxp_expr_t

typedef struct _amxp_expr amxp_expr_t

Definition at line 1 of file amxp_expression.h.