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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use dom::bindings::cell::DOMRefCell;
use dom::bindings::codegen::Bindings::URLSearchParamsBinding;
use dom::bindings::codegen::Bindings::URLSearchParamsBinding::URLSearchParamsMethods;
use dom::bindings::codegen::UnionTypes::StringOrURLSearchParams;
use dom::bindings::codegen::UnionTypes::StringOrURLSearchParams::{eURLSearchParams, eString};
use dom::bindings::error::Fallible;
use dom::bindings::global::GlobalRef;
use dom::bindings::js::{JSRef, Rootable, Temporary};
use dom::bindings::utils::{Reflector, reflect_dom_object};
use encoding::types::EncodingRef;
use url::form_urlencoded::{parse, serialize_with_encoding};
use util::str::DOMString;
// https://url.spec.whatwg.org/#interface-urlsearchparams
#[dom_struct]
pub struct URLSearchParams {
reflector_: Reflector,
// https://url.spec.whatwg.org/#concept-urlsearchparams-list
list: DOMRefCell<Vec<(DOMString, DOMString)>>,
}
impl URLSearchParams {
fn new_inherited() -> URLSearchParams {
URLSearchParams {
reflector_: Reflector::new(),
list: DOMRefCell::new(vec![]),
}
}
pub fn new(global: GlobalRef) -> Temporary<URLSearchParams> {
reflect_dom_object(box URLSearchParams::new_inherited(), global,
URLSearchParamsBinding::Wrap)
}
// https://url.spec.whatwg.org/#dom-urlsearchparams-urlsearchparams
pub fn Constructor(global: GlobalRef, init: Option<StringOrURLSearchParams>) ->
Fallible<Temporary<URLSearchParams>> {
// Step 1.
let query = URLSearchParams::new(global).root();
match init {
Some(eString(init)) => {
// Step 2.
let query = query.r();
*query.list.borrow_mut() = parse(init.as_bytes());
},
Some(eURLSearchParams(init)) => {
// Step 3.
// FIXME(https://github.com/rust-lang/rust/issues/23338)
let query = query.r();
let init = init.root();
let init = init.r();
*query.list.borrow_mut() = init.list.borrow().clone();
},
None => {}
}
// Step 4.
Ok(Temporary::from_rooted(query.r()))
}
}
impl<'a> URLSearchParamsMethods for JSRef<'a, URLSearchParams> {
// https://url.spec.whatwg.org/#dom-urlsearchparams-append
fn Append(self, name: DOMString, value: DOMString) {
// Step 1.
self.list.borrow_mut().push((name, value));
// Step 2.
self.update_steps();
}
// https://url.spec.whatwg.org/#dom-urlsearchparams-delete
fn Delete(self, name: DOMString) {
// Step 1.
self.list.borrow_mut().retain(|&(ref k, _)| k != &name);
// Step 2.
self.update_steps();
}
// https://url.spec.whatwg.org/#dom-urlsearchparams-get
fn Get(self, name: DOMString) -> Option<DOMString> {
let list = self.list.borrow();
list.iter().filter_map(|&(ref k, ref v)| {
if k == &name {
Some(v.clone())
} else {
None
}
}).next()
}
// https://url.spec.whatwg.org/#dom-urlsearchparams-has
fn Has(self, name: DOMString) -> bool {
let list = self.list.borrow();
list.iter().find(|&&(ref k, _)| k == &name).is_some()
}
// https://url.spec.whatwg.org/#dom-urlsearchparams-set
fn Set(self, name: DOMString, value: DOMString) {
let mut list = self.list.borrow_mut();
let mut index = None;
let mut i = 0;
list.retain(|&(ref k, _)| {
if index.is_none() {
if k == &name {
index = Some(i);
} else {
i += 1;
}
true
} else {
k != &name
}
});
match index {
Some(index) => list[index].1 = value,
None => list.push((name, value)),
};
self.update_steps();
}
// https://url.spec.whatwg.org/#stringification-behavior
fn Stringifier(self) -> DOMString {
self.serialize(None)
}
}
pub trait URLSearchParamsHelpers {
fn serialize(self, encoding: Option<EncodingRef>) -> DOMString;
}
impl<'a> URLSearchParamsHelpers for JSRef<'a, URLSearchParams> {
// https://url.spec.whatwg.org/#concept-urlencoded-serializer
fn serialize(self, encoding: Option<EncodingRef>) -> DOMString {
let list = self.list.borrow();
serialize_with_encoding(list.iter(), encoding)
}
}
trait PrivateURLSearchParamsHelpers {
fn update_steps(self);
}
impl<'a> PrivateURLSearchParamsHelpers for JSRef<'a, URLSearchParams> {
// https://url.spec.whatwg.org/#concept-uq-update
fn update_steps(self) {
// XXXManishearth Implement this when the URL interface is implemented
}
}
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