# -*- mode: shell-script -*-


yaml_opt_flatten() {
    local prefix="$1" key value
    while read-0 key value; do
        if [ "$prefix" ]; then
            new_prefix="${prefix}-${key}"
        else
            new_prefix="${key}"
        fi
        if [[ "$(echo "$value" | shyaml get-type)" == "struct" ]]; then
            echo "$value" | yaml_opt_flatten "${new_prefix}"
        else
            printf "%s\0%s\0" "${new_prefix}" "$value"
        fi
    done < <(shyaml key-values-0)
}