jql 2.8.3

A JSON query language CLI tool
Documentation 
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use crate::utils::{
    display_array_selector, display_default_selector, display_index_selector,
    display_object_selector, display_range_selector,
};

use serde_json::Value;

#[derive(Debug)]
pub enum Selector {
    Array,
    Default(String),
    Index(Vec<usize>),
    Object(Vec<String>),
    Range((Option<usize>, Option<usize>)),
}

pub trait Display {
    fn as_str(&self, capitalized: bool) -> String;
}

impl Display for Selector {
    // Return the selector as a readable string.
    fn as_str(&self, capitalized: bool) -> String {
        match self {
            Selector::Array => display_array_selector(capitalized),
            Selector::Default(value) => display_default_selector(&value.clone(), capitalized),
            Selector::Range(range) => display_range_selector(*range, capitalized),
            Selector::Index(indexes) => display_index_selector(indexes, capitalized),
            Selector::Object(properties) => display_object_selector(properties, capitalized),
        }
    }
}

pub type Selectors = [Selector];

pub type Group = (
    // Spread part.
    Option<()>,
    // Root part.
    Option<()>,
    // Selectors part.
    Vec<Selector>,
    // Filters part.
    Vec<Selector>,
    // Truncate part.
    Option<()>,
);

pub type Groups = Vec<Group>;

#[derive(Debug)]
pub enum MaybeArray {
    Array(Vec<Value>),
    NonArray(Vec<Value>),
}

pub type Selection = Result<Value, String>;

pub type Selections = Result<Vec<Value>, String>;

pub type ExtendedSelections = Result<MaybeArray, String>;