Regex node

A node that matches input against a regular expression. More...

Functions
struct ec_node *	ec_node_re (const char *id, const char *str)
int	ec_node_re_set_regexp (struct ec_node *node, const char *re)

Detailed Description

A node that matches input against a regular expression.

Configuration Schema

schema re {
    string pattern  {
        description "The pattern to match.";
    }
}

Function Documentation

ec_node_re()

struct ec_node * ec_node_re	(	const char *	id,
		const char *	str )

Create a regular expression node.

Parameters

id	The node identifier.
str	The regular expression pattern (POSIX extended regex).

Returns

The node, or NULL on error (errno is set).

ec_node_re_set_regexp()

int ec_node_re_set_regexp	(	struct ec_node *	node,
		const char *	re )

Set the regular expression on a regex node.

Parameters

node	The regex node.
re	The regular expression pattern. It is duplicated internally.

Returns

0 on success, -1 on error (errno is set).