mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-01 00:32:11 +00:00
31ceef48aa
This avoid intermediate object tree for "JSON to principal" case. Differential Revision: https://phabricator.services.mozilla.com/D192146
97 lines
3.0 KiB
C++
97 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* 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_SubsumedPrincipalJSONHandler_h
|
|
#define mozilla_SubsumedPrincipalJSONHandler_h
|
|
|
|
#include <stddef.h> // size_t
|
|
#include <stdint.h> // uint32_t
|
|
|
|
#include "js/TypeDecls.h" // JS::Latin1Char
|
|
|
|
#include "mozilla/AlreadyAddRefed.h" // already_AddRefed
|
|
#include "mozilla/Variant.h" // Variant
|
|
#include "mozilla/RefPtr.h" // RefPtr
|
|
|
|
#include "nsDebug.h" // NS_WARNING
|
|
|
|
#include "BasePrincipal.h"
|
|
#include "ContentPrincipalJSONHandler.h"
|
|
#include "NullPrincipalJSONHandler.h"
|
|
#include "SharedJSONHandler.h"
|
|
|
|
namespace mozilla {
|
|
|
|
class SubsumedPrincipalJSONHandlerTypes {
|
|
public:
|
|
enum class State {
|
|
Init,
|
|
|
|
// After the subsumed principal object's '{'.
|
|
StartObject,
|
|
|
|
// After the PrincipalKind property key for SystemPrincipal.
|
|
SystemPrincipal_Key,
|
|
// After the SystemPrincipal's inner object's '{'.
|
|
SystemPrincipal_StartObject,
|
|
// After the SystemPrincipal's inner object's '}'.
|
|
SystemPrincipal_EndObject,
|
|
|
|
// After the PrincipalKind property key for NullPrincipal or
|
|
// ContentPrincipal, and also the entire inner object.
|
|
// Delegates to mInnerHandler until the inner object's '}'.
|
|
//
|
|
// Unlike PrincipalJSONHandler, subsumed principal doesn't contain
|
|
// ExpandedPrincipal.
|
|
NullPrincipal_Inner,
|
|
ContentPrincipal_Inner,
|
|
|
|
// After the subsumed principal object's '}'.
|
|
EndObject,
|
|
|
|
Error,
|
|
};
|
|
|
|
using InnerHandlerT =
|
|
Maybe<Variant<NullPrincipalJSONHandler, ContentPrincipalJSONHandler>>;
|
|
|
|
static constexpr bool CanContainExpandedPrincipal = false;
|
|
};
|
|
|
|
// JSON parse handler for subsumed principal object inside ExpandedPrincipal's
|
|
// new format.
|
|
//
|
|
// Subsumed principal object
|
|
// |
|
|
// ----------------------------------
|
|
// | |
|
|
// {"2": {"0": [{"1": {"0": https://mozilla.com"}}]}}
|
|
// | | |
|
|
// | ---------------------------
|
|
// | |
|
|
// | inner object
|
|
// PrincipalKind
|
|
//
|
|
// For inner object except for the system principal case, this delegates
|
|
// to NullPrincipalJSONHandler or ContentPrincipalJSONHandler.
|
|
class SubsumedPrincipalJSONHandler
|
|
: public ContainerPrincipalJSONHandler<SubsumedPrincipalJSONHandlerTypes> {
|
|
using State = SubsumedPrincipalJSONHandlerTypes::State;
|
|
using InnerHandlerT = SubsumedPrincipalJSONHandlerTypes::InnerHandlerT;
|
|
|
|
public:
|
|
SubsumedPrincipalJSONHandler() = default;
|
|
virtual ~SubsumedPrincipalJSONHandler() = default;
|
|
|
|
bool HasAccepted() const { return mState == State::EndObject; }
|
|
|
|
protected:
|
|
virtual void SetErrorState() override { mState = State::Error; }
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_SubsumedPrincipalJSONHandler_h
|