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NullPrincipalJSONHandler.h
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91 lines (65 loc) · 2.37 KB
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/* -*- 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_NullPrincipalJSONHandler_h
#define mozilla_NullPrincipalJSONHandler_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/Assertions.h" // MOZ_ASSERT_UNREACHABLE
#include "mozilla/RefPtr.h" // RefPtr
#include "nsCOMPtr.h" // nsCOMPtr
#include "nsDebug.h" // NS_WARNING
#include "nsIURI.h" // nsIURI
#include "NullPrincipal.h"
#include "OriginAttributes.h"
#include "SharedJSONHandler.h"
namespace mozilla {
// JSON parse handler for an inner object for NullPrincipal.
// Used by PrincipalJSONHandler or SubsumedPrincipalJSONHandler.
class NullPrincipalJSONHandler : public PrincipalJSONHandlerShared {
enum class State {
Init,
// After the inner object's '{'.
StartObject,
// After the property key for eSpec.
SpecKey,
// After the property key for eSuffix.
SuffixKey,
// After the property value for eSpec or eSuffix.
AfterPropertyValue,
// After the inner object's '}'.
EndObject,
Error,
};
public:
NullPrincipalJSONHandler() = default;
virtual ~NullPrincipalJSONHandler() = default;
virtual bool startObject() override;
using PrincipalJSONHandlerShared::propertyName;
virtual bool propertyName(const JS::Latin1Char* name, size_t length) override;
virtual bool endObject() override;
virtual bool startArray() override {
NS_WARNING("Unexpected array value");
mState = State::Error;
return false;
}
virtual bool endArray() override {
NS_WARNING("Unexpected array value");
mState = State::Error;
return false;
}
using PrincipalJSONHandlerShared::stringValue;
virtual bool stringValue(const JS::Latin1Char* str, size_t length) override;
bool HasAccepted() const { return mState == State::EndObject; }
protected:
virtual void SetErrorState() override { mState = State::Error; }
private:
State mState = State::Init;
nsCOMPtr<nsIURI> mUri;
OriginAttributes mAttrs;
};
} // namespace mozilla
#endif // mozilla_NullPrincipalJSONHandler_h