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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/. */
#ifndef mozilla_dom_URLSearchParams_h
#define mozilla_dom_URLSearchParams_h
#include "js/StructuredClone.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/ErrorResult.h"
#include "nsCycleCollectionParticipant.h"
#include "nsWrapperCache.h"
#include "nsISupports.h"
#include "nsIUnicodeDecoder.h"
#include "nsIXMLHttpRequest.h"
namespace mozilla {
namespace dom {
class URLSearchParams;
class URLSearchParamsObserver : public nsISupports
{
public:
virtual ~URLSearchParamsObserver() {}
virtual void URLSearchParamsUpdated(URLSearchParams* aFromThis) = 0;
};
// This class is used in BasePrincipal and it's _extremely_ important that the
// attributes are kept in the correct order. If this changes, please, update
// BasePrincipal code.
class URLParams final
{
public:
URLParams() {}
~URLParams()
{
DeleteAll();
}
explicit URLParams(const URLParams& aOther)
: mParams(aOther.mParams)
{}
URLParams(const URLParams&& aOther)
: mParams(Move(aOther.mParams))
{}
class ForEachIterator
{
public:
virtual bool
URLParamsIterator(const nsString& aName, const nsString& aValue) = 0;
};
void
ParseInput(const nsACString& aInput);
bool
ForEach(ForEachIterator& aIterator) const
{
for (uint32_t i = 0; i < mParams.Length(); ++i) {
if (!aIterator.URLParamsIterator(mParams[i].mKey, mParams[i].mValue)) {
return false;
}
}
return true;
}
void Serialize(nsAString& aValue) const;
void Get(const nsAString& aName, nsString& aRetval);
void GetAll(const nsAString& aName, nsTArray<nsString >& aRetval);
void Set(const nsAString& aName, const nsAString& aValue);
void Append(const nsAString& aName, const nsAString& aValue);
bool Has(const nsAString& aName);
// Returns true if aName was found and deleted, false otherwise.
bool Delete(const nsAString& aName);
void DeleteAll()
{
mParams.Clear();
}
uint32_t Length() const
{
return mParams.Length();
}
const nsAString& GetKeyAtIndex(uint32_t aIndex) const
{
MOZ_ASSERT(aIndex < mParams.Length());
return mParams[aIndex].mKey;
}
const nsAString& GetValueAtIndex(uint32_t aIndex) const
{
MOZ_ASSERT(aIndex < mParams.Length());
return mParams[aIndex].mValue;
}
bool
ReadStructuredClone(JSStructuredCloneReader* aReader);
bool
WriteStructuredClone(JSStructuredCloneWriter* aWriter) const;
private:
void DecodeString(const nsACString& aInput, nsAString& aOutput);
void ConvertString(const nsACString& aInput, nsAString& aOutput);
struct Param
{
nsString mKey;
nsString mValue;
};
nsTArray<Param> mParams;
nsCOMPtr<nsIUnicodeDecoder> mDecoder;
};
class URLSearchParams final : public nsIXHRSendable,
public nsWrapperCache
{
~URLSearchParams();
public:
NS_DECL_NSIXHRSENDABLE
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(URLSearchParams)
explicit URLSearchParams(nsISupports* aParent,
URLSearchParamsObserver* aObserver=nullptr);
URLSearchParams(nsISupports* aParent,
const URLSearchParams& aOther);
// WebIDL methods
nsISupports* GetParentObject() const
{
return mParent;
}
virtual JSObject*
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
static already_AddRefed<URLSearchParams>
Constructor(const GlobalObject& aGlobal, const nsAString& aInit,
ErrorResult& aRv);
static already_AddRefed<URLSearchParams>
Constructor(const GlobalObject& aGlobal, URLSearchParams& aInit,
ErrorResult& aRv);
void ParseInput(const nsACString& aInput);
void Serialize(nsAString& aValue) const;
void Get(const nsAString& aName, nsString& aRetval);
void GetAll(const nsAString& aName, nsTArray<nsString>& aRetval);
void Set(const nsAString& aName, const nsAString& aValue);
void Append(const nsAString& aName, const nsAString& aValue);
bool Has(const nsAString& aName);
void Delete(const nsAString& aName);
uint32_t GetIterableLength() const;
const nsAString& GetKeyAtIndex(uint32_t aIndex) const;
const nsAString& GetValueAtIndex(uint32_t aIndex) const;
void Stringify(nsString& aRetval) const
{
Serialize(aRetval);
}
typedef URLParams::ForEachIterator ForEachIterator;
bool
ForEach(ForEachIterator& aIterator) const
{
return mParams->ForEach(aIterator);
return true;
}
bool
ReadStructuredClone(JSStructuredCloneReader* aReader);
bool
WriteStructuredClone(JSStructuredCloneWriter* aWriter) const;
private:
void AppendInternal(const nsAString& aName, const nsAString& aValue);
void DeleteAll();
void NotifyObserver();
UniquePtr<URLParams> mParams;
nsCOMPtr<nsISupports> mParent;
RefPtr<URLSearchParamsObserver> mObserver;
};
} // namespace dom
} // namespace mozilla
#endif /* mozilla_dom_URLSearchParams_h */
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