vxml_pipeline/handle_syntax

Shared encoding and recognition helpers for Writerly handle values.

Values

decode_value

pub fn decode_value(encoded: String) -> Result(String, Nil)

Removes one surrounding << and >> pair from an encoded handle value.

decorated_name_pattern

</>

pub const decorated_name_pattern: String

Regular-expression fragment matching a Writerly handle name followed by zero or more decorators.

encode_value

</>

pub fn encode_value(value: String) -> String

Encodes a handle value as <<value>> without otherwise escaping it.

take_explicit_value

</>

pub fn take_explicit_value(
  input: String,
  closer_regexp: regexp.Regexp,
) -> #(option.Option(String), String)

Finds the first unescaped >>## closer. Backslash runs immediately before a candidate use odd/even parity and are decoded in the value. If there is no active closer, returns None and the original input.