amxd_object_expression.h File Reference

Go to the source code of this file.

Functions
amxp_expr_status_t	amxd_object_expr_get_field (amxp_expr_t *expr, amxc_var_t *value, const char *path, void *priv)
amxd_status_t	amxd_object_new_key_expr (amxd_object_t *const templ, amxp_expr_t **expr, const amxc_var_t *const data)
amxd_object_t *	amxd_object_find_instance (const amxd_object_t *const templ, amxp_expr_t *expr)
amxd_object_t *	amxd_object_find_next_instance (const amxd_object_t *const instance, amxp_expr_t *expr)
bool	amxd_object_has_matching_instances (const amxd_object_t *const templ, amxp_expr_t *expr)
bool	amxd_object_has_keys (amxd_object_t *const instance)
bool	amxd_object_matches_expr (amxd_object_t *const object, amxp_expr_t *expr)

Function Documentation

amxd_object_expr_get_field()

amxp_expr_status_t amxd_object_expr_get_field	(	amxp_expr_t *	expr,
		amxc_var_t *	value,
		const char *	path,
		void *	priv
	)

amxd_object_find_instance()

amxd_object_t* amxd_object_find_instance	(	const amxd_object_t *const	templ,
		amxp_expr_t *	expr
	)

Definition at line 226 of file amxd_object_expression.c.

                                                            {
    amxd_object_t* instance = NULL;
 
    when_null(templ, exit);
    when_true(amxd_object_get_type(templ) != amxd_object_template, exit);
    when_null(expr, exit);
 
    amxd_object_for_each(instance, it, templ) {
        instance = amxc_container_of(it, amxd_object_t, it);
        if(amxd_object_matches_expr(instance, expr)) {
            break;
        }
        instance = NULL;
    }
 
exit:
    return instance;
}

amxd_object_find_next_instance()

amxd_object_t* amxd_object_find_next_instance	(	const amxd_object_t *const	instance,
		amxp_expr_t *	expr
	)

Definition at line 246 of file amxd_object_expression.c.

                                                                 {
    amxd_object_t* inst = NULL;
    amxc_llist_it_t* it = NULL;
 
    when_null(instance, exit);
    when_true(amxd_object_get_type(instance) != amxd_object_instance, exit);
    when_null(expr, exit);
 
    it = amxc_llist_it_get_next(&instance->it);
    while(it) {
        inst = amxc_container_of(it, amxd_object_t, it);
        if(amxd_object_matches_expr(inst, expr)) {
            break;
        }
        it = amxc_llist_it_get_next(it);
        inst = NULL;
    }
 
exit:
    return inst;
}

amxd_object_has_keys()

bool amxd_object_has_keys

(

amxd_object_t *const

instance

)

Definition at line 278 of file amxd_object_expression.c.

                                                         {
    bool retval = false;
    amxc_var_t params;
    const amxc_htable_t* ht_params = NULL;
 
    amxc_var_init(&params);
 
    when_null(instance, exit);
    when_true(amxd_object_get_type(instance) != amxd_object_instance &&
              amxd_object_get_type(instance) != amxd_object_template,
              exit);
 
    when_failed(amxd_object_describe_params(instance, &params, amxd_dm_access_public), exit);
    ht_params = amxc_var_constcast(amxc_htable_t, &params);
    amxc_htable_for_each(it, ht_params) {
        amxc_var_t* param = amxc_var_from_htable_it(it);
        if(amxc_var_constcast(bool, GET_FIELD(param, "attributes.key"))) {
            retval = true;
            break;
        }
    }
 
exit:
    amxc_var_clean(&params);
    return retval;
}

amxd_object_has_matching_instances()

bool amxd_object_has_matching_instances	(	const amxd_object_t *const	templ,
		amxp_expr_t *	expr
	)

Definition at line 269 of file amxd_object_expression.c.

                                                           {
    bool retval = false;
 
    retval = (amxd_object_find_instance(templ, expr) != NULL);
 
    return retval;
}

amxd_object_matches_expr()

bool amxd_object_matches_expr	(	amxd_object_t *const	object,
		amxp_expr_t *	expr
	)

Definition at line 305 of file amxd_object_expression.c.

                                                 {
    bool retval = false;
 
    when_null(object, exit);
    when_null(expr, exit);
 
    retval = amxp_expr_evaluate(expr, amxd_object_expr_get_field, object, NULL);
 
exit:
    return retval;
}

amxd_object_new_key_expr()

amxd_status_t amxd_object_new_key_expr	(	amxd_object_t *const	templ,
		amxp_expr_t **	expr,
		const amxc_var_t *const	data
	)

Definition at line 205 of file amxd_object_expression.c.

                                                                     {
    amxd_status_t status = amxd_status_unknown_error;
    const amxc_htable_t* ht_data = NULL;
    amxc_var_t params;
 
    amxc_var_init(&params);
    when_null(data, exit);
    when_true(amxc_var_type_of(data) != AMXC_VAR_ID_HTABLE, exit);
    when_true(amxd_object_get_type(templ) != amxd_object_template, exit);
 
    when_failed(amxd_object_describe_key_params(templ, &params, amxd_dm_access_public), exit);
    ht_data = amxc_var_constcast(amxc_htable_t, data);
    status = amxd_object_build_key_expr(&params, expr, ht_data);
 
exit:
    amxc_var_clean(&params);
    return status;
}