gecko-dev/dom/quota/OriginScope.h

234 lines
4.2 KiB
C++

/* -*- 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_quota_originorpatternstring_h__
#define mozilla_dom_quota_originorpatternstring_h__
#include "mozilla/dom/quota/QuotaCommon.h"
#include "mozilla/BasePrincipal.h"
BEGIN_QUOTA_NAMESPACE
class OriginScope
{
public:
enum Type
{
eOrigin,
ePattern,
eNull
};
static OriginScope
FromOrigin(const nsACString& aOrigin)
{
return OriginScope(aOrigin);
}
static OriginScope
FromPattern(const mozilla::OriginAttributesPattern& aPattern)
{
return OriginScope(aPattern);
}
static OriginScope
FromJSONPattern(const nsAString& aJSONPattern)
{
return OriginScope(aJSONPattern);
}
static OriginScope
FromNull()
{
return OriginScope();
}
bool
IsOrigin() const
{
return mType == eOrigin;
}
bool
IsPattern() const
{
return mType == ePattern;
}
bool
IsNull() const
{
return mType == eNull;
}
Type
GetType() const
{
return mType;
}
void
SetFromOrigin(const nsACString& aOrigin)
{
mOrigin = aOrigin;
mType = eOrigin;
nsCString originNoSuffix;
MOZ_ALWAYS_TRUE(mOriginAttributes.PopulateFromOrigin(aOrigin,
originNoSuffix));
}
void
SetFromPattern(const mozilla::OriginAttributesPattern& aPattern)
{
mPattern = aPattern;
mType = ePattern;
}
void
SetFromJSONPattern(const nsAString& aJSONPattern)
{
MOZ_ALWAYS_TRUE(mPattern.Init(aJSONPattern));
mType = ePattern;
}
void
SetFromNull()
{
mType = eNull;
}
const nsACString&
GetOrigin() const
{
MOZ_ASSERT(IsOrigin());
return mOrigin;
}
void
SetOrigin(const nsACString& aOrigin)
{
MOZ_ASSERT(IsOrigin());
mOrigin = aOrigin;
}
const mozilla::OriginAttributes&
GetOriginAttributes() const
{
MOZ_ASSERT(IsOrigin());
return mOriginAttributes;
}
const mozilla::OriginAttributesPattern&
GetPattern() const
{
MOZ_ASSERT(IsPattern());
return mPattern;
}
bool MatchesOrigin(const OriginScope& aOther) const
{
MOZ_ASSERT(aOther.IsOrigin());
bool match;
if (IsOrigin()) {
match = mOrigin.Equals(aOther.mOrigin);
} else if (IsPattern()) {
match = mPattern.Matches(aOther.mOriginAttributes);
} else {
match = true;
}
return match;
}
bool MatchesPattern(const OriginScope& aOther) const
{
MOZ_ASSERT(aOther.IsPattern());
bool match;
if (IsOrigin()) {
match = aOther.mPattern.Matches(mOriginAttributes);
} else if (IsPattern()) {
match = mPattern.Overlaps(aOther.mPattern);
} else {
match = true;
}
return match;
}
bool Matches(const OriginScope& aOther) const
{
bool match;
if (aOther.IsOrigin()) {
match = MatchesOrigin(aOther);
} else if (aOther.IsPattern()) {
match = MatchesPattern(aOther);
} else {
match = true;
}
return match;
}
OriginScope
Clone()
{
if (IsOrigin()) {
return OriginScope(mOrigin);
}
if (IsPattern()) {
return OriginScope(mPattern);
}
MOZ_ASSERT(IsNull());
return OriginScope();
}
private:
explicit OriginScope(const nsACString& aOrigin)
: mOrigin(aOrigin)
, mType(eOrigin)
{
nsCString originNoSuffix;
MOZ_ALWAYS_TRUE(mOriginAttributes.PopulateFromOrigin(aOrigin,
originNoSuffix));
}
explicit OriginScope(const mozilla::OriginAttributesPattern& aPattern)
: mPattern(aPattern)
, mType(ePattern)
{ }
explicit OriginScope(const nsAString& aJSONPattern)
: mType(ePattern)
{
MOZ_ALWAYS_TRUE(mPattern.Init(aJSONPattern));
}
OriginScope()
: mType(eNull)
{ }
bool
operator==(const OriginScope& aOther) = delete;
nsCString mOrigin;
PrincipalOriginAttributes mOriginAttributes;
mozilla::OriginAttributesPattern mPattern;
Type mType;
};
END_QUOTA_NAMESPACE
#endif // mozilla_dom_quota_originorpatternstring_h__