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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 crate::dom::bindings::cell::DomRefCell;
use crate::dom::bindings::codegen::Bindings::URLSearchParamsBinding::URLSearchParamsMethods;
use crate::dom::bindings::codegen::Bindings::URLSearchParamsBinding::URLSearchParamsWrap;
use crate::dom::bindings::codegen::UnionTypes::USVStringOrURLSearchParams;
use crate::dom::bindings::error::Fallible;
use crate::dom::bindings::iterable::Iterable;
use crate::dom::bindings::reflector::{reflect_dom_object, Reflector};
use crate::dom::bindings::root::DomRoot;
use crate::dom::bindings::str::{DOMString, USVString};
use crate::dom::bindings::weakref::MutableWeakRef;
use crate::dom::globalscope::GlobalScope;
use crate::dom::url::URL;
use dom_struct::dom_struct;
use url::form_urlencoded;
// 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<(String, String)>>,
// https://url.spec.whatwg.org/#concept-urlsearchparams-url-object
url: MutableWeakRef<URL>,
}
impl URLSearchParams {
fn new_inherited(url: Option<&URL>) -> URLSearchParams {
URLSearchParams {
reflector_: Reflector::new(),
list: DomRefCell::new(url.map_or(Vec::new(), |url| url.query_pairs())),
url: MutableWeakRef::new(url),
}
}
pub fn new(global: &GlobalScope, url: Option<&URL>) -> DomRoot<URLSearchParams> {
reflect_dom_object(
Box::new(URLSearchParams::new_inherited(url)),
global,
URLSearchParamsWrap,
)
}
// https://url.spec.whatwg.org/#dom-urlsearchparams-urlsearchparams
pub fn Constructor(
global: &GlobalScope,
init: Option<USVStringOrURLSearchParams>,
) -> Fallible<DomRoot<URLSearchParams>> {
// Step 1.
let query = URLSearchParams::new(global, None);
match init {
Some(USVStringOrURLSearchParams::USVString(init)) => {
// Step 2.
*query.list.borrow_mut() = form_urlencoded::parse(init.0.as_bytes())
.into_owned()
.collect();
},
Some(USVStringOrURLSearchParams::URLSearchParams(init)) => {
// Step 3.
*query.list.borrow_mut() = init.list.borrow().clone();
},
None => {},
}
// Step 4.
Ok(query)
}
pub fn set_list(&self, list: Vec<(String, String)>) {
*self.list.borrow_mut() = list;
}
}
impl URLSearchParamsMethods for URLSearchParams {
// https://url.spec.whatwg.org/#dom-urlsearchparams-append
fn Append(&self, name: USVString, value: USVString) {
// Step 1.
self.list.borrow_mut().push((name.0, value.0));
// Step 2.
self.update_steps();
}
// https://url.spec.whatwg.org/#dom-urlsearchparams-delete
fn Delete(&self, name: USVString) {
// Step 1.
self.list.borrow_mut().retain(|&(ref k, _)| k != &name.0);
// Step 2.
self.update_steps();
}
// https://url.spec.whatwg.org/#dom-urlsearchparams-get
fn Get(&self, name: USVString) -> Option<USVString> {
let list = self.list.borrow();
list.iter()
.find(|&kv| kv.0 == name.0)
.map(|ref kv| USVString(kv.1.clone()))
}
// https://url.spec.whatwg.org/#dom-urlsearchparams-getall
fn GetAll(&self, name: USVString) -> Vec<USVString> {
let list = self.list.borrow();
list.iter()
.filter_map(|&(ref k, ref v)| {
if k == &name.0 {
Some(USVString(v.clone()))
} else {
None
}
})
.collect()
}
// https://url.spec.whatwg.org/#dom-urlsearchparams-has
fn Has(&self, name: USVString) -> bool {
let list = self.list.borrow();
list.iter().any(|&(ref k, _)| k == &name.0)
}
// https://url.spec.whatwg.org/#dom-urlsearchparams-set
fn Set(&self, name: USVString, value: USVString) {
{
// Step 1.
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.0 {
index = Some(i);
} else {
i += 1;
}
true
} else {
k != &name.0
}
});
match index {
Some(index) => list[index].1 = value.0,
None => list.push((name.0, value.0)), // Step 2.
};
} // Un-borrow self.list
// Step 3.
self.update_steps();
}
// https://url.spec.whatwg.org/#stringification-behavior
fn Stringifier(&self) -> DOMString {
DOMString::from(self.serialize_utf8())
}
}
impl URLSearchParams {
// https://url.spec.whatwg.org/#concept-urlencoded-serializer
pub fn serialize_utf8(&self) -> String {
let list = self.list.borrow();
form_urlencoded::Serializer::new(String::new())
.extend_pairs(&*list)
.finish()
}
}
impl URLSearchParams {
// https://url.spec.whatwg.org/#concept-urlsearchparams-update
fn update_steps(&self) {
if let Some(url) = self.url.root() {
url.set_query_pairs(&self.list.borrow())
}
}
}
impl Iterable for URLSearchParams {
type Key = USVString;
type Value = USVString;
fn get_iterable_length(&self) -> u32 {
self.list.borrow().len() as u32
}
fn get_value_at_index(&self, n: u32) -> USVString {
let value = self.list.borrow()[n as usize].1.clone();
USVString(value)
}
fn get_key_at_index(&self, n: u32) -> USVString {
let key = self.list.borrow()[n as usize].0.clone();
USVString(key)
}
}
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