Struct stackedconfig::ConfigStack

pub struct ConfigStack { /* fields omitted */ }

Combines multiple serde_json::Value objects together so they can be queried as a single, nested object.

Supports using a custom separator if desired for path style queries. Defaults to a forward slash /.

Methods

impl ConfigStack

fn new() -> ConfigStack

Create a new ConfigStack

fn with_path_sep(self, sep: char) -> ConfigStack

Returns a new ConfigStack with the given separator

let conf = ConfigStack::new().with_path_sep('.').push(v1).push(v2);
let val = conf.get("foo.bar.baz");

fn push(self, config: Value) -> ConfigStack

Adds a new configuration value to the stack. The added value becomes the highest priority value on the stack.

fn pop(self) -> Option<Value>

Removes the top level configuration from the stack and returns it. The opposite of push. If no configurations are on the stack then None is returned.

fn get(&self, path: &str) -> Lookup

Looks up a value at the given path

conf.get("foo/bar/baz") -> Lookup::Found(Value::Bool(true))
conf.get("foo/bar/qux") -> Lookup::Missing

fn get_parts(&self, path_parts: Vec<String>) -> Lookup

Looks up a value at the given path where the path is a Vec<String>. No parsing is performed on the path parts, so this method will not split on the path separator.

Trait Implementations

impl Debug for ConfigStack

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.