Function parse_arch_array

alpm-srcinfo/src/pkgbuild_bridge/mod.rs:199–224

Parses a [`Value`] as [`Architectures`]. # Errors Returns an error for `keyword` if `value` cannot be parsed as either a stand-alone "any" or a list of [`SystemArchitecture`].

(keyword: &Keyword, value: &'a Value)

///
/// Returns an error for `keyword` if `value` cannot be parsed as either a stand-alone "any" or a
/// list of [`SystemArchitecture`].
fn parse_arch_array<'a>(keyword: &Keyword, value: &'a Value) -> Result<Architectures, BridgeError> {
    // `arch` may be a list or a single value (for backward compatibility).
    let input = value.as_vec();

    // First check if the entry is a single "any".
    // `arch = "any"`
    // or
    // `arch = ("any")`
    if input.len() == 1 && input[0] == "any" {
        return Ok(Architectures::Any);
    }

    let architectures = input
        .into_iter()
        .map(|item| {
            SystemArchitecture::parser
                .context(StrContext::Expected(StrContextValue::Description(
                    "either a single 'any' or an array of one or more specific system architectures."
                )))
                .parse(item)
                .map_err(|err| (keyword.clone(), err))
        })
        .collect::<Result<Vec<SystemArchitecture>, (Keyword, ParseError<&'a str, ContextError>)>>()?;

    Ok(Architectures::Some(architectures))
}

#[cfg(test)]