adnv 1.5.0

CLI that tracks, checks and auto-updates infrastructure dependency versions across Terraform, Helm, Docker, Git and npm
Documentation 
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use super::Expression;
use crate::parsers::hcl::{Pair, Rule, ast::Str};

use self::object::Object;

pub mod object;

#[derive(Debug, Clone)]
#[non_exhaustive]
pub enum ExprTerm<'i> {
    String(Str<'i>),
    Object(Object<'i>),
    Tuple(Vec<Expression<'i>>),
    Raw(Pair<'i>),
}

impl<'i> ExprTerm<'i> {
    pub fn as_string(&self) -> Option<Str<'i>> {
        if let Self::String(s) = self {
            Some(*s)
        } else {
            None
        }
    }

    pub fn as_object(&self) -> Option<&Object<'i>> {
        if let Self::Object(obj) = self {
            Some(obj)
        } else {
            None
        }
    }

    pub fn as_tuple(&self) -> Option<&[Expression<'i>]> {
        if let Self::Tuple(items) = self {
            Some(items)
        } else {
            None
        }
    }
}

impl<'i> ExprTerm<'i> {
    pub(super) fn process(pair: Pair<'i>) -> Self {
        let mut items = pair.into_inner();

        let expr = items.next().unwrap();

        ExprTerm::process_expr(expr)
    }

    fn process_expr(pair: Pair<'i>) -> Self {
        match pair.as_rule() {
            Rule::StringLit => {
                let span = pair.as_span();
                let inner = pair.into_inner().next().unwrap();

                let value = Str::new(span, inner.as_str());
                ExprTerm::String(value)
            }
            Rule::Object => ExprTerm::Object(Object::process(pair)),
            _ => ExprTerm::Raw(pair),
        }
    }

    fn process_tuple(pair: Pair<'i>) -> Self {
        let data = pair.into_inner().map(Expression::process).collect();
        ExprTerm::Tuple(data)
    }
}