mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-26 06:11:37 +00:00
352 lines
9.8 KiB
C++
352 lines
9.8 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/. */
|
|
|
|
#include "IDBKeyRange.h"
|
|
|
|
#include "Key.h"
|
|
#include "mozilla/ErrorResult.h"
|
|
#include "mozilla/dom/BindingUtils.h"
|
|
#include "mozilla/dom/IDBKeyRangeBinding.h"
|
|
#include "mozilla/dom/indexedDB/PBackgroundIDBSharedTypes.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
using namespace mozilla::dom::indexedDB;
|
|
|
|
namespace {
|
|
|
|
void GetKeyFromJSVal(JSContext* aCx, JS::Handle<JS::Value> aVal, Key& aKey,
|
|
ErrorResult& aRv) {
|
|
auto result = aKey.SetFromJSVal(aCx, aVal);
|
|
if (!result.Is(Ok)) {
|
|
aRv = result.ExtractErrorResult(
|
|
InvalidMapsTo<NS_ERROR_DOM_INDEXEDDB_DATA_ERR>);
|
|
return;
|
|
}
|
|
|
|
if (aKey.IsUnset()) {
|
|
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_DATA_ERR);
|
|
}
|
|
}
|
|
|
|
} // namespace
|
|
|
|
IDBKeyRange::IDBKeyRange(nsISupports* aGlobal, bool aLowerOpen, bool aUpperOpen,
|
|
bool aIsOnly)
|
|
: mGlobal(aGlobal),
|
|
mCachedLowerVal(JS::UndefinedValue()),
|
|
mCachedUpperVal(JS::UndefinedValue()),
|
|
mLowerOpen(aLowerOpen),
|
|
mUpperOpen(aUpperOpen),
|
|
mIsOnly(aIsOnly),
|
|
mHaveCachedLowerVal(false),
|
|
mHaveCachedUpperVal(false),
|
|
mRooted(false) {
|
|
AssertIsOnOwningThread();
|
|
}
|
|
|
|
IDBKeyRange::~IDBKeyRange() { DropJSObjects(); }
|
|
|
|
IDBLocaleAwareKeyRange::IDBLocaleAwareKeyRange(nsISupports* aGlobal,
|
|
bool aLowerOpen, bool aUpperOpen,
|
|
bool aIsOnly)
|
|
: IDBKeyRange(aGlobal, aLowerOpen, aUpperOpen, aIsOnly) {
|
|
AssertIsOnOwningThread();
|
|
}
|
|
|
|
IDBLocaleAwareKeyRange::~IDBLocaleAwareKeyRange() { DropJSObjects(); }
|
|
|
|
// static
|
|
void IDBKeyRange::FromJSVal(JSContext* aCx, JS::Handle<JS::Value> aVal,
|
|
RefPtr<IDBKeyRange>* aKeyRange, ErrorResult& aRv) {
|
|
MOZ_ASSERT_IF(!aCx, aVal.isUndefined());
|
|
MOZ_ASSERT(aKeyRange);
|
|
|
|
RefPtr<IDBKeyRange> keyRange;
|
|
|
|
if (aVal.isNullOrUndefined()) {
|
|
// undefined and null returns no IDBKeyRange.
|
|
*aKeyRange = std::move(keyRange);
|
|
return;
|
|
}
|
|
|
|
JS::Rooted<JSObject*> obj(aCx, aVal.isObject() ? &aVal.toObject() : nullptr);
|
|
|
|
// Unwrap an IDBKeyRange object if possible.
|
|
if (obj && NS_SUCCEEDED(UNWRAP_OBJECT(IDBKeyRange, obj, keyRange))) {
|
|
MOZ_ASSERT(keyRange);
|
|
*aKeyRange = std::move(keyRange);
|
|
return;
|
|
}
|
|
|
|
// A valid key returns an 'only' IDBKeyRange.
|
|
keyRange = new IDBKeyRange(nullptr, false, false, true);
|
|
GetKeyFromJSVal(aCx, aVal, keyRange->Lower(), aRv);
|
|
if (!aRv.Failed()) {
|
|
*aKeyRange = std::move(keyRange);
|
|
}
|
|
}
|
|
|
|
// static
|
|
RefPtr<IDBKeyRange> IDBKeyRange::FromSerialized(
|
|
const SerializedKeyRange& aKeyRange) {
|
|
RefPtr<IDBKeyRange> keyRange =
|
|
new IDBKeyRange(nullptr, aKeyRange.lowerOpen(), aKeyRange.upperOpen(),
|
|
aKeyRange.isOnly());
|
|
keyRange->Lower() = aKeyRange.lower();
|
|
if (!keyRange->IsOnly()) {
|
|
keyRange->Upper() = aKeyRange.upper();
|
|
}
|
|
return keyRange;
|
|
}
|
|
|
|
void IDBKeyRange::ToSerialized(SerializedKeyRange& aKeyRange) const {
|
|
aKeyRange.lowerOpen() = LowerOpen();
|
|
aKeyRange.upperOpen() = UpperOpen();
|
|
aKeyRange.isOnly() = IsOnly();
|
|
|
|
aKeyRange.lower() = Lower();
|
|
if (!IsOnly()) {
|
|
aKeyRange.upper() = Upper();
|
|
}
|
|
}
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_MULTI_ZONE_JSHOLDER_CLASS(IDBKeyRange)
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(IDBKeyRange)
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mGlobal)
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(IDBKeyRange)
|
|
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mCachedLowerVal)
|
|
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mCachedUpperVal)
|
|
NS_IMPL_CYCLE_COLLECTION_TRACE_END
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(IDBKeyRange)
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK(mGlobal)
|
|
tmp->DropJSObjects();
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
|
|
|
|
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IDBKeyRange)
|
|
NS_INTERFACE_MAP_ENTRY(nsISupports)
|
|
NS_INTERFACE_MAP_END
|
|
|
|
NS_IMPL_CYCLE_COLLECTING_ADDREF(IDBKeyRange)
|
|
NS_IMPL_CYCLE_COLLECTING_RELEASE(IDBKeyRange)
|
|
|
|
void IDBKeyRange::DropJSObjects() {
|
|
if (!mRooted) {
|
|
return;
|
|
}
|
|
mCachedLowerVal.setUndefined();
|
|
mCachedUpperVal.setUndefined();
|
|
mHaveCachedLowerVal = false;
|
|
mHaveCachedUpperVal = false;
|
|
mRooted = false;
|
|
mozilla::DropJSObjects(this);
|
|
}
|
|
|
|
bool IDBKeyRange::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto,
|
|
JS::MutableHandle<JSObject*> aReflector) {
|
|
return IDBKeyRange_Binding::Wrap(aCx, this, aGivenProto, aReflector);
|
|
}
|
|
|
|
bool IDBLocaleAwareKeyRange::WrapObject(
|
|
JSContext* aCx, JS::Handle<JSObject*> aGivenProto,
|
|
JS::MutableHandle<JSObject*> aReflector) {
|
|
return IDBLocaleAwareKeyRange_Binding::Wrap(aCx, this, aGivenProto,
|
|
aReflector);
|
|
}
|
|
|
|
void IDBKeyRange::GetLower(JSContext* aCx, JS::MutableHandle<JS::Value> aResult,
|
|
ErrorResult& aRv) {
|
|
AssertIsOnOwningThread();
|
|
|
|
if (!mHaveCachedLowerVal) {
|
|
if (!mRooted) {
|
|
mozilla::HoldJSObjects(this);
|
|
mRooted = true;
|
|
}
|
|
|
|
aRv = Lower().ToJSVal(aCx, mCachedLowerVal);
|
|
if (aRv.Failed()) {
|
|
return;
|
|
}
|
|
|
|
mHaveCachedLowerVal = true;
|
|
}
|
|
|
|
aResult.set(mCachedLowerVal);
|
|
}
|
|
|
|
void IDBKeyRange::GetUpper(JSContext* aCx, JS::MutableHandle<JS::Value> aResult,
|
|
ErrorResult& aRv) {
|
|
AssertIsOnOwningThread();
|
|
|
|
if (!mHaveCachedUpperVal) {
|
|
if (!mRooted) {
|
|
mozilla::HoldJSObjects(this);
|
|
mRooted = true;
|
|
}
|
|
|
|
aRv = Upper().ToJSVal(aCx, mCachedUpperVal);
|
|
if (aRv.Failed()) {
|
|
return;
|
|
}
|
|
|
|
mHaveCachedUpperVal = true;
|
|
}
|
|
|
|
aResult.set(mCachedUpperVal);
|
|
}
|
|
|
|
bool IDBKeyRange::Includes(JSContext* aCx, JS::Handle<JS::Value> aValue,
|
|
ErrorResult& aRv) const {
|
|
Key key;
|
|
GetKeyFromJSVal(aCx, aValue, key, aRv);
|
|
if (aRv.Failed()) {
|
|
return false;
|
|
}
|
|
|
|
MOZ_ASSERT(!(Lower().IsUnset() && Upper().IsUnset()));
|
|
MOZ_ASSERT_IF(IsOnly(), !Lower().IsUnset() && !LowerOpen() &&
|
|
Lower() == Upper() && LowerOpen() == UpperOpen());
|
|
|
|
if (!Lower().IsUnset()) {
|
|
switch (Key::CompareKeys(Lower(), key)) {
|
|
case 1:
|
|
return false;
|
|
case 0:
|
|
// Identical keys.
|
|
return !LowerOpen();
|
|
case -1:
|
|
if (IsOnly()) {
|
|
return false;
|
|
}
|
|
break;
|
|
default:
|
|
MOZ_CRASH();
|
|
}
|
|
}
|
|
|
|
if (!Upper().IsUnset()) {
|
|
switch (Key::CompareKeys(key, Upper())) {
|
|
case 1:
|
|
return false;
|
|
case 0:
|
|
// Identical keys.
|
|
return !UpperOpen();
|
|
case -1:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
// static
|
|
RefPtr<IDBKeyRange> IDBKeyRange::Only(const GlobalObject& aGlobal,
|
|
JS::Handle<JS::Value> aValue,
|
|
ErrorResult& aRv) {
|
|
RefPtr<IDBKeyRange> keyRange =
|
|
new IDBKeyRange(aGlobal.GetAsSupports(), false, false, true);
|
|
|
|
GetKeyFromJSVal(aGlobal.Context(), aValue, keyRange->Lower(), aRv);
|
|
if (aRv.Failed()) {
|
|
return nullptr;
|
|
}
|
|
|
|
return keyRange;
|
|
}
|
|
|
|
// static
|
|
RefPtr<IDBKeyRange> IDBKeyRange::LowerBound(const GlobalObject& aGlobal,
|
|
JS::Handle<JS::Value> aValue,
|
|
bool aOpen, ErrorResult& aRv) {
|
|
RefPtr<IDBKeyRange> keyRange =
|
|
new IDBKeyRange(aGlobal.GetAsSupports(), aOpen, true, false);
|
|
|
|
GetKeyFromJSVal(aGlobal.Context(), aValue, keyRange->Lower(), aRv);
|
|
if (aRv.Failed()) {
|
|
return nullptr;
|
|
}
|
|
|
|
return keyRange;
|
|
}
|
|
|
|
// static
|
|
RefPtr<IDBKeyRange> IDBKeyRange::UpperBound(const GlobalObject& aGlobal,
|
|
JS::Handle<JS::Value> aValue,
|
|
bool aOpen, ErrorResult& aRv) {
|
|
RefPtr<IDBKeyRange> keyRange =
|
|
new IDBKeyRange(aGlobal.GetAsSupports(), true, aOpen, false);
|
|
|
|
GetKeyFromJSVal(aGlobal.Context(), aValue, keyRange->Upper(), aRv);
|
|
if (aRv.Failed()) {
|
|
return nullptr;
|
|
}
|
|
|
|
return keyRange;
|
|
}
|
|
|
|
// static
|
|
RefPtr<IDBKeyRange> IDBKeyRange::Bound(const GlobalObject& aGlobal,
|
|
JS::Handle<JS::Value> aLower,
|
|
JS::Handle<JS::Value> aUpper,
|
|
bool aLowerOpen, bool aUpperOpen,
|
|
ErrorResult& aRv) {
|
|
RefPtr<IDBKeyRange> keyRange =
|
|
new IDBKeyRange(aGlobal.GetAsSupports(), aLowerOpen, aUpperOpen, false);
|
|
|
|
GetKeyFromJSVal(aGlobal.Context(), aLower, keyRange->Lower(), aRv);
|
|
if (aRv.Failed()) {
|
|
return nullptr;
|
|
}
|
|
|
|
GetKeyFromJSVal(aGlobal.Context(), aUpper, keyRange->Upper(), aRv);
|
|
if (aRv.Failed()) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (keyRange->Lower() > keyRange->Upper() ||
|
|
(keyRange->Lower() == keyRange->Upper() && (aLowerOpen || aUpperOpen))) {
|
|
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_DATA_ERR);
|
|
return nullptr;
|
|
}
|
|
|
|
return keyRange;
|
|
}
|
|
|
|
// static
|
|
RefPtr<IDBLocaleAwareKeyRange> IDBLocaleAwareKeyRange::Bound(
|
|
const GlobalObject& aGlobal, JS::Handle<JS::Value> aLower,
|
|
JS::Handle<JS::Value> aUpper, bool aLowerOpen, bool aUpperOpen,
|
|
ErrorResult& aRv) {
|
|
RefPtr<IDBLocaleAwareKeyRange> keyRange = new IDBLocaleAwareKeyRange(
|
|
aGlobal.GetAsSupports(), aLowerOpen, aUpperOpen, false);
|
|
|
|
GetKeyFromJSVal(aGlobal.Context(), aLower, keyRange->Lower(), aRv);
|
|
if (aRv.Failed()) {
|
|
return nullptr;
|
|
}
|
|
|
|
GetKeyFromJSVal(aGlobal.Context(), aUpper, keyRange->Upper(), aRv);
|
|
if (aRv.Failed()) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (keyRange->Lower() == keyRange->Upper() && (aLowerOpen || aUpperOpen)) {
|
|
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_DATA_ERR);
|
|
return nullptr;
|
|
}
|
|
|
|
return keyRange;
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|