Function parse_option

src/pgwire/src/protocol.rs:680–688

Returns the parsed key and value from option of the form `--key=value`, `-c key=value`, or `-ckey=value`. Keys replace `-` with `_`. Returns an error if there was some other prefix.

(option: &str)

/// key=value`, or `-ckey=value`. Keys replace `-` with `_`. Returns an error if
/// there was some other prefix.
fn parse_option(option: &str) -> Result<(&str, &str), ()> {
    let (key, value) = option.split_once('=').ok_or(())?;
    for prefix in &["-c", "--"] {
        if let Some(key) = key.strip_prefix(prefix) {
            return Ok((key, value));
        }
    }
    Err(())
}

/// Splits value by any number of spaces except those preceded by `\`.
fn split_options(value: &str) -> Vec<String> {