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Added FormData Iterable

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This commit is contained in:
Chiu-Hsiang Hsu 2016-08-28 16:25:26 +08:00 • committed by Josh Matthews
parent 236c687b66
commit 652c578e15
5 changed files with 116 additions and 9 deletions
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43
components/script/dom/formdata.rs
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@ -3,11 +3,12 @@
* 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::Bindings::FormDataBinding::FormDataWrap;
use dom::bindings::codegen::UnionTypes::FileOrUSVString;
use dom::bindings::error::Fallible;
use dom::bindings::global::GlobalRef;
use dom::bindings::iterable::Iterable;
use dom::bindings::js::Root;
use dom::bindings::reflector::{Reflectable, Reflector, reflect_dom_object};
use dom::bindings::str::{DOMString, USVString};
@ -16,6 +17,7 @@ use dom::file::File;
use dom::htmlformelement::{HTMLFormElement, FormDatumValue, FormDatum};
use std::collections::HashMap;
use std::collections::hash_map::Entry::{Occupied, Vacant};
use std::iter;
use string_cache::Atom;
#[dom_struct]
@ -45,7 +47,7 @@ impl FormData {
pub fn new(form: Option<&HTMLFormElement>, global: GlobalRef) -> Root<FormData> {
reflect_dom_object(box FormData::new_inherited(form),
global, FormDataBinding::Wrap)
global, FormDataWrap)
}
pub fn Constructor(global: GlobalRef, form: Option<&HTMLFormElement>) -> Fallible<Root<FormData>> {
@ -156,11 +158,40 @@ impl FormData {
}
pub fn datums(&self) -> Vec<FormDatum> {
let mut ret = vec![];
for values in self.data.borrow().values() {
ret.append(&mut values.clone());
self.data.borrow().values()
.flat_map(|value| value.iter())
.map(|value| value.clone())
.collect()
}
}
ret
impl Iterable for FormData {
type Key = USVString;
type Value = FileOrUSVString;
fn get_iterable_length(&self) -> u32 {
self.data.borrow().values().map(|value| value.len()).sum::<usize>() as u32
}
fn get_value_at_index(&self, n: u32) -> FileOrUSVString {
let data = self.data.borrow();
let value = &data.values()
.flat_map(|value| value.iter())
.nth(n as usize)
.unwrap()
.value;
match *value {
FormDatumValue::String(ref s) => FileOrUSVString::USVString(USVString(s.to_string())),
FormDatumValue::File(ref b) => FileOrUSVString::File(Root::from_ref(&*b)),
}
}
fn get_key_at_index(&self, n: u32) -> USVString {
let data = self.data.borrow();
let value = &data.iter()
.flat_map(|(key, value)| iter::repeat(key).take(value.len()))
.nth(n as usize)
.unwrap();
USVString(value.to_string())
}
}

2
components/script/dom/webidls/FormData.webidl
View file

@ -19,5 +19,5 @@ interface FormData {
boolean has(USVString name);
void set(USVString name, USVString value);
void set(USVString name, Blob value, optional USVString filename);
// iterable<USVString, FormDataEntryValue>;
iterable<USVString, FormDataEntryValue>;
};

4
tests/wpt/metadata/MANIFEST.json
View file

@ -12837,6 +12837,10 @@
"path": "XMLHttpRequest/formdata-delete.htm",
"url": "/XMLHttpRequest/formdata-delete.htm"
},
{
"path": "XMLHttpRequest/formdata-foreach.html",
"url": "/XMLHttpRequest/formdata-foreach.html"
},
{
"path": "XMLHttpRequest/formdata-get.htm",
"url": "/XMLHttpRequest/formdata-get.htm"

13
tests/wpt/metadata/XMLHttpRequest/formdata-foreach.html.ini Normal file
View file

@ -0,0 +1,13 @@
[formdata-foreach.html]
type: testharness
[Iterator should return duplicate keys and non-deleted values]
expected: FAIL
[Entries iterator should return duplicate keys and non-deleted values]
expected: FAIL
[Keys iterator should return duplicates]
expected: FAIL
[Values iterator should return non-deleted values]
expected: FAIL

59
tests/wpt/web-platform-tests/XMLHttpRequest/formdata-foreach.html Normal file
View file

@ -0,0 +1,59 @@
<!doctype html>
<html lang=en>
<meta charset=utf-8>
<title>FormData: foreach</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="help" href="https://xhr.spec.whatwg.org/#interface-formdata" />
<script>
var fd = new FormData();
fd.append('n1', 'v1');
fd.append('n2', 'v2');
fd.append('n3', 'v3');
fd.append('n1', 'v4');
fd.append('n2', 'v5');
fd.append('n3', 'v6');
fd.delete('n2');
var expected_keys = ['n1', 'n3', 'n1', 'n3'];
var expected_values = ['v1', 'v3', 'v4', 'v6'];
test(function() {
var mykeys = [], myvalues = [];
for(var entry of fd) {
assert_equals(entry.length, 2,
'Default iterator should yield key/value pairs');
mykeys.push(entry[0]);
myvalues.push(entry[1]);
}
assert_array_equals(mykeys, expected_keys,
'Default iterator should see duplicate keys');
assert_array_equals(myvalues, expected_values,
'Default iterator should see non-deleted values');
}, 'Iterator should return duplicate keys and non-deleted values');
test(function() {
var mykeys = [], myvalues = [];
for(var entry of fd.entries()) {
assert_equals(entry.length, 2,
'entries() iterator should yield key/value pairs');
mykeys.push(entry[0]);
myvalues.push(entry[1]);
}
assert_array_equals(mykeys, expected_keys,
'entries() iterator should see duplicate keys');
assert_array_equals(myvalues, expected_values,
'entries() iterator should see non-deleted values');
}, 'Entries iterator should return duplicate keys and non-deleted values');
test(function() {
var mykeys = [];
for(var entry of fd.keys())
mykeys.push(entry);
assert_array_equals(mykeys, expected_keys,
'keys() iterator should see duplicate keys');
}, 'Keys iterator should return duplicates');
test(function() {
var myvalues = [];
for(var entry of fd.values())
myvalues.push(entry);
assert_array_equals(myvalues, expected_values,
'values() iterator should see non-deleted values');
}, 'Values iterator should return non-deleted values');
</script>