plist 0.0.11

A rusty plist parser. Very much a work in progress.
Documentation 
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use PlistEvent;
use Plist;

use std;
use std::collections::BTreeMap;

pub struct IntoEvents {
	pub plist: Plist
}

impl Iterator for IntoEvents {
	type Item = PlistEvent;

	fn next(&mut self) -> Option<PlistEvent> {
		panic!();
	}
}

enum PlistFlatMap {
	Once(std::iter::Once<PlistEvent>),
	Array(PlistArrayFlatMap),
	//Dictionary(PlistDictionaryFlatMap)
}

impl Iterator for PlistFlatMap {
	type Item = PlistEvent;

	fn next(&mut self) -> Option<PlistEvent> {
		panic!();
	}
}

fn plist_dict_flat_map((k, v): (String, Plist)) -> std::iter::Chain<std::iter::Once<PlistEvent>, PlistFlatMap> {
	use std::iter::once;

	once(PlistEvent::StringValue(k)).chain(plist_flat_map(v))
}

type PlistArrayFlatMap = std::iter::FlatMap<std::vec::IntoIter<Plist>, PlistFlatMap, fn(Plist) -> PlistFlatMap>;

fn plist_array_fn(array: Vec<Plist>) -> PlistFlatMap {
	use std::iter::once;
	use PlistEvent::*;
	use Plist::*;

	//once(StartArray)
		PlistFlatMap::Array(array.into_iter().flat_map(plist_flat_map))
	//	.chain(once(EndArray))
}

//type PlistDictionaryFlatMap = std::iter::FlatMap<std::collections::btree_map::IntoIter<std::string::String, Plist>, std::iter::Chain<std::iter::Once<PlistEvent>, PlistFlatMap>, fn((std::string::String, Plist)) -> std::iter::Chain<std::iter::Once<PlistEvent>, PlistFlatMap>>;

/*fn plist_dict_fn(dict: BTreeMap<String, Plist>) -> PlistFlatMap {
	use std::iter::once;
	use PlistEvent::*;
	use Plist::*;

	//once(StartDictionary)
		PlistFlatMap::Dictionary(dict.into_iter().flat_map(plist_dict_flat_map))
	//	.chain(once(EndDictionary))
}*/

fn plist_flat_map(plist: Plist) -> PlistFlatMap {
	use std::iter::once;
	use PlistEvent::*;
	use Plist::*;

	match plist {
		Array(array) => {
			plist_array_fn(array)
		},
		Dictionary(dict) => {
			panic!();
			//plist_dict_fn(dict)
		},
		Boolean(value) => PlistFlatMap::Once(once(BooleanValue(value))),
		Data(value) => PlistFlatMap::Once(once(DataValue(value))),
		Date(value) => PlistFlatMap::Once(once(DateValue(value))),
		Real(value) => PlistFlatMap::Once(once(RealValue(value))),
		Integer(value) => PlistFlatMap::Once(once(IntegerValue(value))),
		String(value) => PlistFlatMap::Once(once(StringValue(value)))
	}
}