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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#include "mozilla/dom/URLSearchParams.h"
// clang-format off
#include "mozilla/Encoding.h"
#include "encoding_rs.h"
// clang-format on
#include <new>
#include <utility>
#include "js/StructuredClone.h"
#include "mozilla/ArrayIterator.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/Record.h"
#include "mozilla/dom/StructuredCloneHolder.h"
#include "mozilla/dom/URLSearchParamsBinding.h"
#include "nsDOMString.h"
#include "nsError.h"
#include "nsIGlobalObject.h"
#include "nsLiteralString.h"
#include "nsPrintfCString.h"
#include "nsString.h"
#include "nsStringFlags.h"
#include "nsStringIterator.h"
#include "nsStringStream.h"
#include "nsURLHelper.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(URLSearchParams, mParent, mObserver)
NS_IMPL_CYCLE_COLLECTING_ADDREF(URLSearchParams)
NS_IMPL_CYCLE_COLLECTING_RELEASE(URLSearchParams)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(URLSearchParams)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
URLSearchParams::URLSearchParams(nsISupports* aParent,
URLSearchParamsObserver* aObserver)
: mParams(new URLParams()), mParent(aParent), mObserver(aObserver) {}
URLSearchParams::~URLSearchParams() { DeleteAll(); }
JSObject* URLSearchParams::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return URLSearchParams_Binding::Wrap(aCx, this, aGivenProto);
}
/* static */
already_AddRefed<URLSearchParams> URLSearchParams::Constructor(
const GlobalObject& aGlobal,
const UTF8StringSequenceSequenceOrUTF8StringUTF8StringRecordOrUTF8String&
aInit,
ErrorResult& aRv) {
RefPtr<URLSearchParams> sp =
new URLSearchParams(aGlobal.GetAsSupports(), nullptr);
if (aInit.IsUTF8String()) {
const auto& input = aInit.GetAsUTF8String();
if (StringBeginsWith(input, "?"_ns)) {
sp->ParseInput(Substring(input, 1, input.Length() - 1));
} else {
sp->ParseInput(input);
}
} else if (aInit.IsUTF8StringSequenceSequence()) {
const Sequence<Sequence<nsCString>>& list =
aInit.GetAsUTF8StringSequenceSequence();
for (uint32_t i = 0; i < list.Length(); ++i) {
const Sequence<nsCString>& item = list[i];
if (item.Length() != 2) {
nsPrintfCString err("Expected 2 items in pair but got %zu",
item.Length());
aRv.ThrowTypeError(err);
return nullptr;
}
sp->Append(item[0], item[1]);
}
} else if (aInit.IsUTF8StringUTF8StringRecord()) {
const Record<nsCString, nsCString>& record =
aInit.GetAsUTF8StringUTF8StringRecord();
for (auto& entry : record.Entries()) {
sp->Append(entry.mKey, entry.mValue);
}
} else {
MOZ_CRASH("This should not happen.");
}
return sp.forget();
}
void URLSearchParams::ParseInput(const nsACString& aInput) {
mParams->ParseInput(aInput);
}
uint32_t URLSearchParams::Size() const { return mParams->Length(); }
void URLSearchParams::Get(const nsACString& aName, nsACString& aRetval) {
return mParams->Get(aName, aRetval);
}
void URLSearchParams::GetAll(const nsACString& aName,
nsTArray<nsCString>& aRetval) {
return mParams->GetAll(aName, aRetval);
}
void URLSearchParams::Set(const nsACString& aName, const nsACString& aValue) {
mParams->Set(aName, aValue);
NotifyObserver();
}
void URLSearchParams::Append(const nsACString& aName,
const nsACString& aValue) {
mParams->Append(aName, aValue);
NotifyObserver();
}
bool URLSearchParams::Has(const nsACString& aName,
const Optional<nsACString>& aValue) {
if (!aValue.WasPassed()) {
return mParams->Has(aName);
}
return mParams->Has(aName, aValue.Value());
}
void URLSearchParams::Delete(const nsACString& aName,
const Optional<nsACString>& aValue) {
if (!aValue.WasPassed()) {
mParams->Delete(aName);
NotifyObserver();
return;
}
mParams->Delete(aName, aValue.Value());
NotifyObserver();
}
void URLSearchParams::DeleteAll() { mParams->DeleteAll(); }
void URLSearchParams::Serialize(nsACString& aValue) const {
mParams->Serialize(aValue, true);
}
// TODO(emilio): Allow stringifier attributes with CString return values.
void URLSearchParams::Stringify(nsAString& aValue) const {
nsAutoCString serialized;
mParams->Serialize(serialized, true);
CopyUTF8toUTF16(serialized, aValue);
}
void URLSearchParams::NotifyObserver() {
if (mObserver) {
mObserver->URLSearchParamsUpdated(this);
}
}
uint32_t URLSearchParams::GetIterableLength() const {
return mParams->Length();
}
const nsACString& URLSearchParams::GetKeyAtIndex(uint32_t aIndex) const {
return mParams->GetKeyAtIndex(aIndex);
}
const nsACString& URLSearchParams::GetValueAtIndex(uint32_t aIndex) const {
return mParams->GetValueAtIndex(aIndex);
}
void URLSearchParams::Sort(ErrorResult& aRv) {
mParams->Sort();
NotifyObserver();
}
// contentTypeWithCharset can be set to the contentType or
// contentType+charset based on what the spec says.
// See: https://fetch.spec.whatwg.org/#concept-bodyinit-extract
nsresult URLSearchParams::GetSendInfo(nsIInputStream** aBody,
uint64_t* aContentLength,
nsACString& aContentTypeWithCharset,
nsACString& aCharset) const {
aContentTypeWithCharset.AssignLiteral(
"application/x-www-form-urlencoded;charset=UTF-8");
aCharset.AssignLiteral("UTF-8");
nsAutoCString serialized;
Serialize(serialized);
*aContentLength = serialized.Length();
return NS_NewCStringInputStream(aBody, std::move(serialized));
}
} // namespace mozilla::dom
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