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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, Temporary};
use dom::bindings::utils::{Reflector, reflect_dom_object};
use servo_util::str::DOMString;
use encoding::all::UTF_8;
use encoding::types::{EncodingRef, EncoderTrap};
use std::collections::HashMap;
use std::collections::hash_map::{Occupied, Vacant};
use std::fmt::radix;
use std::ascii::OwnedAsciiExt;
#[dom_struct]
pub struct URLSearchParams {
reflector_: Reflector,
data: DOMRefCell<HashMap<DOMString, Vec<DOMString>>>,
}
impl URLSearchParams {
fn new_inherited() -> URLSearchParams {
URLSearchParams {
reflector_: Reflector::new(),
data: DOMRefCell::new(HashMap::new()),
}
}
pub fn new(global: GlobalRef) -> Temporary<URLSearchParams> {
reflect_dom_object(box URLSearchParams::new_inherited(), global, URLSearchParamsBinding::Wrap)
}
pub fn Constructor(global: &GlobalRef, init: Option<StringOrURLSearchParams>) -> Fallible<Temporary<URLSearchParams>> {
let usp = URLSearchParams::new(*global).root();
match init {
Some(eString(_s)) => {
// XXXManishearth we need to parse the input here
// http://url.spec.whatwg.org/#concept-urlencoded-parser
// We can use rust-url's implementation here:
// https://github.com/SimonSapin/rust-url/blob/master/form_urlencoded.rs#L29
},
Some(eURLSearchParams(u)) => {
let u = u.root();
let mut map = usp.data.borrow_mut();
*map = u.r().data.borrow().clone();
},
None => {}
}
Ok(Temporary::from_rooted(*usp))
}
}
impl<'a> URLSearchParamsMethods for JSRef<'a, URLSearchParams> {
fn Append(self, name: DOMString, value: DOMString) {
let mut data = self.data.borrow_mut();
match data.entry(name) {
Occupied(entry) => entry.into_mut().push(value),
Vacant(entry) => {
entry.set(vec!(value));
}
}
self.update_steps();
}
fn Delete(self, name: DOMString) {
self.data.borrow_mut().remove(&name);
self.update_steps();
}
fn Get(self, name: DOMString) -> Option<DOMString> {
self.data.borrow().find_equiv(&name).map(|v| v[0].clone())
}
fn Has(self, name: DOMString) -> bool {
self.data.borrow().contains_key_equiv(&name)
}
fn Set(self, name: DOMString, value: DOMString) {
self.data.borrow_mut().insert(name, vec!(value));
self.update_steps();
}
}
pub trait URLSearchParamsHelpers {
fn serialize(&self, encoding: Option<EncodingRef>) -> Vec<u8>;
fn update_steps(&self);
}
impl URLSearchParamsHelpers for URLSearchParams {
fn serialize(&self, encoding: Option<EncodingRef>) -> Vec<u8> {
// http://url.spec.whatwg.org/#concept-urlencoded-serializer
fn serialize_string(value: &DOMString, encoding: EncodingRef) -> Vec<u8> {
// http://url.spec.whatwg.org/#concept-urlencoded-byte-serializer
let value = value.as_slice();
// XXXManishearth should this be a strict encoding? Can unwrap()ing the result fail?
let value = encoding.encode(value, EncoderTrap::Replace).unwrap();
let mut buf = vec!();
for i in value.iter() {
let append = match *i {
0x20 => vec!(0x2B),
0x2A | 0x2D | 0x2E |
0x30 ... 0x39 | 0x41 ... 0x5A |
0x5F | 0x61...0x7A => vec!(*i),
a => {
// http://url.spec.whatwg.org/#percent-encode
let mut encoded = vec!(0x25); // %
let s = format!("{}", radix(a, 16)).into_ascii_upper();
let bytes = s.as_bytes();
encoded.push_all(bytes);
encoded
}
};
buf.push_all(append.as_slice());
}
buf
}
let encoding = encoding.unwrap_or(UTF_8 as EncodingRef);
let mut buf = vec!();
let mut first_pair = true;
for (k, v) in self.data.borrow().iter() {
let name = serialize_string(k, encoding);
for val in v.iter() {
let value = serialize_string(val, encoding);
if first_pair {
first_pair = false;
} else {
buf.push(0x26); // &
}
buf.push_all(name.as_slice());
buf.push(0x3D); // =
buf.push_all(value.as_slice())
}
}
buf
}
fn update_steps(&self) {
// XXXManishearth Implement this when the URL interface is implemented
// http://url.spec.whatwg.org/#concept-uq-update
}
}
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