1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/* 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::FormDataBinding;
use dom::bindings::codegen::Bindings::FormDataBinding::FormDataMethods;
use dom::bindings::codegen::UnionTypes::BlobOrUSVString;
use dom::bindings::error::Fallible;
use dom::bindings::global::GlobalRef;
use dom::bindings::js::{JS, Root};
use dom::bindings::reflector::{Reflectable, Reflector, reflect_dom_object};
use dom::bindings::str::{DOMString, USVString};
use dom::blob::Blob;
use dom::file::File;
use dom::htmlformelement::HTMLFormElement;
use std::collections::HashMap;
use std::collections::hash_map::Entry::{Occupied, Vacant};
use string_cache::Atom;
#[derive(JSTraceable, Clone)]
#[must_root]
#[derive(HeapSizeOf)]
pub enum FormDatum {
StringData(String),
BlobData(JS<Blob>)
}
#[dom_struct]
pub struct FormData {
reflector_: Reflector,
data: DOMRefCell<HashMap<Atom, Vec<FormDatum>>>,
form: Option<JS<HTMLFormElement>>
}
impl FormData {
fn new_inherited(form: Option<&HTMLFormElement>) -> FormData {
FormData {
reflector_: Reflector::new(),
data: DOMRefCell::new(HashMap::new()),
form: form.map(|f| JS::from_ref(f)),
}
}
pub fn new(form: Option<&HTMLFormElement>, global: GlobalRef) -> Root<FormData> {
reflect_dom_object(box FormData::new_inherited(form),
global, FormDataBinding::Wrap)
}
pub fn Constructor(global: GlobalRef, form: Option<&HTMLFormElement>) -> Fallible<Root<FormData>> {
// TODO: Construct form data set for form if it is supplied
Ok(FormData::new(form, global))
}
}
impl FormDataMethods for FormData {
// https://xhr.spec.whatwg.org/#dom-formdata-append
fn Append(&self, name: USVString, value: USVString) {
let mut data = self.data.borrow_mut();
match data.entry(Atom::from(name.0)) {
Occupied(entry) => entry.into_mut().push(FormDatum::StringData(value.0)),
Vacant (entry) => { entry.insert(vec!(FormDatum::StringData(value.0))); }
}
}
#[allow(unrooted_must_root)]
// https://xhr.spec.whatwg.org/#dom-formdata-append
fn Append_(&self, name: USVString, value: &Blob, filename: Option<USVString>) {
let blob = FormDatum::BlobData(JS::from_rooted(&self.get_file_or_blob(value, filename)));
let mut data = self.data.borrow_mut();
match data.entry(Atom::from(name.0)) {
Occupied(entry) => entry.into_mut().push(blob),
Vacant(entry) => {
entry.insert(vec!(blob));
}
}
}
// https://xhr.spec.whatwg.org/#dom-formdata-delete
fn Delete(&self, name: USVString) {
self.data.borrow_mut().remove(&Atom::from(name.0));
}
// https://xhr.spec.whatwg.org/#dom-formdata-get
fn Get(&self, name: USVString) -> Option<BlobOrUSVString> {
self.data.borrow()
.get(&Atom::from(name.0))
.map(|entry| match entry[0] {
FormDatum::StringData(ref s) => BlobOrUSVString::USVString(USVString(s.clone())),
FormDatum::BlobData(ref b) => BlobOrUSVString::Blob(Root::from_ref(&*b)),
})
}
// https://xhr.spec.whatwg.org/#dom-formdata-getall
fn GetAll(&self, name: USVString) -> Vec<BlobOrUSVString> {
self.data.borrow()
.get(&Atom::from(name.0))
.map_or(vec![], |data|
data.iter().map(|item| match *item {
FormDatum::StringData(ref s) => BlobOrUSVString::USVString(USVString(s.clone())),
FormDatum::BlobData(ref b) => BlobOrUSVString::Blob(Root::from_ref(&*b)),
}).collect()
)
}
// https://xhr.spec.whatwg.org/#dom-formdata-has
fn Has(&self, name: USVString) -> bool {
self.data.borrow().contains_key(&Atom::from(name.0))
}
#[allow(unrooted_must_root)]
// https://xhr.spec.whatwg.org/#dom-formdata-set
fn Set(&self, name: USVString, value: BlobOrUSVString) {
let val = match value {
BlobOrUSVString::USVString(s) => FormDatum::StringData(s.0),
BlobOrUSVString::Blob(b) => FormDatum::BlobData(JS::from_rooted(&b))
};
self.data.borrow_mut().insert(Atom::from(name.0), vec!(val));
}
}
impl FormData {
fn get_file_or_blob(&self, value: &Blob, filename: Option<USVString>) -> Root<Blob> {
match filename {
Some(fname) => {
let global = self.global();
let name = DOMString::from(fname.0);
Root::upcast(File::new(global.r(), value.get_data().clone(), name, None, ""))
}
None => Root::from_ref(value)
}
}
}
|
