/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=2 et sw=2 tw=80: */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is Indexed Database. * * The Initial Developer of the Original Code is * The Mozilla Foundation. * Portions created by the Initial Developer are Copyright (C) 2010 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Ben Turner * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "IDBObjectStore.h" #include "nsIJSContextStack.h" #include "jsclone.h" #include "mozilla/storage.h" #include "nsContentUtils.h" #include "nsDOMClassInfo.h" #include "nsEventDispatcher.h" #include "nsJSUtils.h" #include "nsServiceManagerUtils.h" #include "nsThreadUtils.h" #include "AsyncConnectionHelper.h" #include "IDBCursor.h" #include "IDBEvents.h" #include "IDBIndex.h" #include "IDBKeyRange.h" #include "IDBTransaction.h" #include "DatabaseInfo.h" USING_INDEXEDDB_NAMESPACE namespace { class AddHelper : public AsyncConnectionHelper { public: AddHelper(IDBTransaction* aTransaction, IDBRequest* aRequest, IDBObjectStore* aObjectStore, JSAutoStructuredCloneBuffer& aCloneBuffer, const Key& aKey, bool aOverwrite, nsTArray& aIndexUpdateInfo, PRUint64 aOffsetToKeyProp) : AsyncConnectionHelper(aTransaction, aRequest), mObjectStore(aObjectStore), mKey(aKey), mOverwrite(aOverwrite), mOffsetToKeyProp(aOffsetToKeyProp) { mCloneBuffer.swap(aCloneBuffer); mIndexUpdateInfo.SwapElements(aIndexUpdateInfo); } ~AddHelper() { IDBObjectStore::ClearStructuredCloneBuffer(mCloneBuffer); } nsresult DoDatabaseWork(mozIStorageConnection* aConnection); nsresult GetSuccessResult(JSContext* aCx, jsval* aVal); void ReleaseMainThreadObjects() { mObjectStore = nsnull; IDBObjectStore::ClearStructuredCloneBuffer(mCloneBuffer); AsyncConnectionHelper::ReleaseMainThreadObjects(); } nsresult UpdateIndexes(mozIStorageConnection* aConnection, PRInt64 aObjectDataId); private: // In-params. nsRefPtr mObjectStore; // These may change in the autoincrement case. JSAutoStructuredCloneBuffer mCloneBuffer; Key mKey; const bool mOverwrite; nsTArray mIndexUpdateInfo; PRUint64 mOffsetToKeyProp; }; class GetHelper : public AsyncConnectionHelper { public: GetHelper(IDBTransaction* aTransaction, IDBRequest* aRequest, IDBObjectStore* aObjectStore, IDBKeyRange* aKeyRange) : AsyncConnectionHelper(aTransaction, aRequest), mObjectStore(aObjectStore), mKeyRange(aKeyRange) { } ~GetHelper() { IDBObjectStore::ClearStructuredCloneBuffer(mCloneBuffer); } nsresult DoDatabaseWork(mozIStorageConnection* aConnection); nsresult GetSuccessResult(JSContext* aCx, jsval* aVal); void ReleaseMainThreadObjects() { mObjectStore = nsnull; mKeyRange = nsnull; IDBObjectStore::ClearStructuredCloneBuffer(mCloneBuffer); AsyncConnectionHelper::ReleaseMainThreadObjects(); } protected: // In-params. nsRefPtr mObjectStore; nsRefPtr mKeyRange; private: // Out-params. JSAutoStructuredCloneBuffer mCloneBuffer; }; class DeleteHelper : public GetHelper { public: DeleteHelper(IDBTransaction* aTransaction, IDBRequest* aRequest, IDBObjectStore* aObjectStore, IDBKeyRange* aKeyRange) : GetHelper(aTransaction, aRequest, aObjectStore, aKeyRange) { } nsresult DoDatabaseWork(mozIStorageConnection* aConnection); nsresult GetSuccessResult(JSContext* aCx, jsval* aVal); }; class ClearHelper : public AsyncConnectionHelper { public: ClearHelper(IDBTransaction* aTransaction, IDBRequest* aRequest, IDBObjectStore* aObjectStore) : AsyncConnectionHelper(aTransaction, aRequest), mObjectStore(aObjectStore) { } nsresult DoDatabaseWork(mozIStorageConnection* aConnection); void ReleaseMainThreadObjects() { mObjectStore = nsnull; AsyncConnectionHelper::ReleaseMainThreadObjects(); } protected: // In-params. nsRefPtr mObjectStore; }; class OpenCursorHelper : public AsyncConnectionHelper { public: OpenCursorHelper(IDBTransaction* aTransaction, IDBRequest* aRequest, IDBObjectStore* aObjectStore, IDBKeyRange* aKeyRange, PRUint16 aDirection) : AsyncConnectionHelper(aTransaction, aRequest), mObjectStore(aObjectStore), mKeyRange(aKeyRange), mDirection(aDirection) { } ~OpenCursorHelper() { IDBObjectStore::ClearStructuredCloneBuffer(mCloneBuffer); } nsresult DoDatabaseWork(mozIStorageConnection* aConnection); nsresult GetSuccessResult(JSContext* aCx, jsval* aVal); void ReleaseMainThreadObjects() { mObjectStore = nsnull; mKeyRange = nsnull; IDBObjectStore::ClearStructuredCloneBuffer(mCloneBuffer); AsyncConnectionHelper::ReleaseMainThreadObjects(); } private: // In-params. nsRefPtr mObjectStore; nsRefPtr mKeyRange; const PRUint16 mDirection; // Out-params. Key mKey; JSAutoStructuredCloneBuffer mCloneBuffer; nsCString mContinueQuery; nsCString mContinueToQuery; Key mRangeKey; }; class CreateIndexHelper : public AsyncConnectionHelper { public: CreateIndexHelper(IDBTransaction* aTransaction, IDBIndex* aIndex); nsresult DoDatabaseWork(mozIStorageConnection* aConnection); nsresult OnSuccess() { return NS_OK; } void OnError() { NS_ASSERTION(mTransaction->IsAborted(), "How else can this fail?!"); } void ReleaseMainThreadObjects() { mIndex = nsnull; AsyncConnectionHelper::ReleaseMainThreadObjects(); } private: nsresult InsertDataFromObjectStore(mozIStorageConnection* aConnection); static void DestroyTLSEntry(void* aPtr); static PRUintn sTLSIndex; // In-params. nsRefPtr mIndex; }; PRUintn CreateIndexHelper::sTLSIndex = PRUintn(BAD_TLS_INDEX); class DeleteIndexHelper : public AsyncConnectionHelper { public: DeleteIndexHelper(IDBTransaction* aTransaction, const nsAString& aName, IDBObjectStore* aObjectStore) : AsyncConnectionHelper(aTransaction, nsnull), mName(aName), mObjectStore(aObjectStore) { } nsresult DoDatabaseWork(mozIStorageConnection* aConnection); nsresult OnSuccess() { return NS_OK; } void OnError() { NS_ASSERTION(mTransaction->IsAborted(), "How else can this fail?!"); } void ReleaseMainThreadObjects() { mObjectStore = nsnull; AsyncConnectionHelper::ReleaseMainThreadObjects(); } private: // In-params nsString mName; nsRefPtr mObjectStore; }; class GetAllHelper : public AsyncConnectionHelper { public: GetAllHelper(IDBTransaction* aTransaction, IDBRequest* aRequest, IDBObjectStore* aObjectStore, IDBKeyRange* aKeyRange, const PRUint32 aLimit) : AsyncConnectionHelper(aTransaction, aRequest), mObjectStore(aObjectStore), mKeyRange(aKeyRange), mLimit(aLimit) { } ~GetAllHelper() { for (PRUint32 index = 0; index < mCloneBuffers.Length(); index++) { IDBObjectStore::ClearStructuredCloneBuffer(mCloneBuffers[index]); } } nsresult DoDatabaseWork(mozIStorageConnection* aConnection); nsresult GetSuccessResult(JSContext* aCx, jsval* aVal); void ReleaseMainThreadObjects() { mObjectStore = nsnull; mKeyRange = nsnull; for (PRUint32 index = 0; index < mCloneBuffers.Length(); index++) { IDBObjectStore::ClearStructuredCloneBuffer(mCloneBuffers[index]); } AsyncConnectionHelper::ReleaseMainThreadObjects(); } protected: // In-params. nsRefPtr mObjectStore; nsRefPtr mKeyRange; const PRUint32 mLimit; private: // Out-params. nsTArray mCloneBuffers; }; class CountHelper : public AsyncConnectionHelper { public: CountHelper(IDBTransaction* aTransaction, IDBRequest* aRequest, IDBObjectStore* aObjectStore, IDBKeyRange* aKeyRange) : AsyncConnectionHelper(aTransaction, aRequest), mObjectStore(aObjectStore), mKeyRange(aKeyRange), mCount(0) { } nsresult DoDatabaseWork(mozIStorageConnection* aConnection); nsresult GetSuccessResult(JSContext* aCx, jsval* aVal); void ReleaseMainThreadObjects() { mObjectStore = nsnull; mKeyRange = nsnull; AsyncConnectionHelper::ReleaseMainThreadObjects(); } protected: nsRefPtr mObjectStore; nsRefPtr mKeyRange; private: PRUint64 mCount; }; NS_STACK_CLASS class AutoRemoveIndex { public: AutoRemoveIndex(IDBDatabase* aDatabase, const nsAString& aObjectStoreName, const nsAString& aIndexName) : mDatabase(aDatabase), mObjectStoreName(aObjectStoreName), mIndexName(aIndexName) { } ~AutoRemoveIndex() { if (mDatabase) { ObjectStoreInfo* info; if (mDatabase->Info()->GetObjectStore(mObjectStoreName, &info)) { for (PRUint32 index = 0; index < info->indexes.Length(); index++) { if (info->indexes[index].name == mIndexName) { info->indexes.RemoveElementAt(index); break; } } } } } void forget() { mDatabase = nsnull; } private: IDBDatabase* mDatabase; nsString mObjectStoreName; nsString mIndexName; }; inline nsresult GetKeyFromObject(JSContext* aCx, JSObject* aObj, const nsString& aKeyPath, Key& aKey) { NS_PRECONDITION(aCx && aObj, "Null pointers!"); NS_ASSERTION(!aKeyPath.IsVoid(), "This will explode!"); const jschar* keyPathChars = reinterpret_cast(aKeyPath.get()); const size_t keyPathLen = aKeyPath.Length(); jsval key; JSBool ok = JS_GetUCProperty(aCx, aObj, keyPathChars, keyPathLen, &key); NS_ENSURE_TRUE(ok, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); nsresult rv = aKey.SetFromJSVal(aCx, key); NS_ENSURE_SUCCESS(rv, rv); return NS_OK; } inline already_AddRefed GenerateRequest(IDBObjectStore* aObjectStore) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); IDBDatabase* database = aObjectStore->Transaction()->Database(); return IDBRequest::Create(aObjectStore, database->ScriptContext(), database->Owner(), aObjectStore->Transaction()); } JSClass gDummyPropClass = { "dummy", 0, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_StrictPropertyStub, JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub, JSCLASS_NO_OPTIONAL_MEMBERS }; JSBool StructuredCloneWriteDummyProp(JSContext* aCx, JSStructuredCloneWriter* aWriter, JSObject* aObj, void* aClosure) { if (JS_GET_CLASS(aCx, aObj) == &gDummyPropClass) { PRUint64* closure = reinterpret_cast(aClosure); NS_ASSERTION(*closure == 0, "We should not have been here before!"); *closure = js_GetSCOffset(aWriter); PRUint64 value = 0; return JS_WriteBytes(aWriter, &value, sizeof(value)); } // try using the runtime callbacks const JSStructuredCloneCallbacks* runtimeCallbacks = aCx->runtime->structuredCloneCallbacks; if (runtimeCallbacks) { return runtimeCallbacks->write(aCx, aWriter, aObj, nsnull); } return JS_FALSE; } } // anonymous namespace // static already_AddRefed IDBObjectStore::Create(IDBTransaction* aTransaction, const ObjectStoreInfo* aStoreInfo) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); nsRefPtr objectStore = new IDBObjectStore(); objectStore->mScriptContext = aTransaction->Database()->ScriptContext(); objectStore->mOwner = aTransaction->Database()->Owner(); objectStore->mTransaction = aTransaction; objectStore->mName = aStoreInfo->name; objectStore->mId = aStoreInfo->id; objectStore->mKeyPath = aStoreInfo->keyPath; objectStore->mAutoIncrement = aStoreInfo->autoIncrement; objectStore->mDatabaseId = aStoreInfo->databaseId; return objectStore.forget(); } // static nsresult IDBObjectStore::GetKeyPathValueFromStructuredData(const PRUint8* aData, PRUint32 aDataLength, const nsAString& aKeyPath, JSContext* aCx, Key& aValue) { NS_ASSERTION(aData, "Null pointer!"); NS_ASSERTION(aDataLength, "Empty data!"); NS_ASSERTION(!aKeyPath.IsEmpty(), "Empty keyPath!"); NS_ASSERTION(aCx, "Null pointer!"); JSAutoRequest ar(aCx); jsval clone; if (!JS_ReadStructuredClone(aCx, reinterpret_cast(aData), aDataLength, JS_STRUCTURED_CLONE_VERSION, &clone, NULL, NULL)) { return NS_ERROR_DOM_DATA_CLONE_ERR; } if (JSVAL_IS_PRIMITIVE(clone)) { // This isn't an object, so just leave the key unset. aValue.Unset(); return NS_OK; } JSObject* obj = JSVAL_TO_OBJECT(clone); const jschar* keyPathChars = reinterpret_cast(aKeyPath.BeginReading()); const size_t keyPathLen = aKeyPath.Length(); jsval keyVal; JSBool ok = JS_GetUCProperty(aCx, obj, keyPathChars, keyPathLen, &keyVal); NS_ENSURE_TRUE(ok, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); nsresult rv = aValue.SetFromJSVal(aCx, keyVal); if (NS_FAILED(rv)) { // If the object doesn't have a value that we can use for our index then we // leave it unset. aValue.Unset(); } return NS_OK; } /* static */ nsresult IDBObjectStore::GetIndexUpdateInfo(ObjectStoreInfo* aObjectStoreInfo, JSContext* aCx, jsval aObject, nsTArray& aUpdateInfoArray) { JSObject* cloneObj = nsnull; PRUint32 count = aObjectStoreInfo->indexes.Length(); if (count && !JSVAL_IS_PRIMITIVE(aObject)) { if (!aUpdateInfoArray.SetCapacity(count)) { NS_ERROR("Out of memory!"); return NS_ERROR_OUT_OF_MEMORY; } cloneObj = JSVAL_TO_OBJECT(aObject); for (PRUint32 indexesIndex = 0; indexesIndex < count; indexesIndex++) { const IndexInfo& indexInfo = aObjectStoreInfo->indexes[indexesIndex]; const jschar* keyPathChars = reinterpret_cast(indexInfo.keyPath.BeginReading()); const size_t keyPathLen = indexInfo.keyPath.Length(); jsval keyPathValue; JSBool ok = JS_GetUCProperty(aCx, cloneObj, keyPathChars, keyPathLen, &keyPathValue); NS_ENSURE_TRUE(ok, NS_ERROR_FAILURE); Key value; nsresult rv = value.SetFromJSVal(aCx, keyPathValue); if (NS_FAILED(rv) || value.IsUnset()) { // Not a value we can do anything with, ignore it. continue; } IndexUpdateInfo* updateInfo = aUpdateInfoArray.AppendElement(); updateInfo->info = indexInfo; updateInfo->value = value; } } else { aUpdateInfoArray.Clear(); } return NS_OK; } /* static */ nsresult IDBObjectStore::UpdateIndexes(IDBTransaction* aTransaction, PRInt64 aObjectStoreId, const Key& aObjectStoreKey, bool aAutoIncrement, bool aOverwrite, PRInt64 aObjectDataId, const nsTArray& aUpdateInfoArray) { #ifdef DEBUG if (aAutoIncrement) { NS_ASSERTION(aObjectDataId != LL_MININT, "Bad objectData id!"); } else { NS_ASSERTION(aObjectDataId == LL_MININT, "Bad objectData id!"); } #endif PRUint32 indexCount = aUpdateInfoArray.Length(); NS_ASSERTION(indexCount, "Don't call me!"); nsCOMPtr stmt; nsresult rv; if (!aAutoIncrement) { stmt = aTransaction->GetCachedStatement( "SELECT id " "FROM object_data " "WHERE object_store_id = :osid " "AND key_value = :key_value" ); NS_ENSURE_TRUE(stmt, NS_ERROR_FAILURE); mozStorageStatementScoper scoper(stmt); rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"), aObjectStoreId); NS_ENSURE_SUCCESS(rv, rv); NS_ASSERTION(!aObjectStoreKey.IsUnset(), "This shouldn't happen!"); rv = aObjectStoreKey.BindToStatement(stmt, NS_LITERAL_CSTRING("key_value")); NS_ENSURE_SUCCESS(rv, rv); bool hasResult; rv = stmt->ExecuteStep(&hasResult); NS_ENSURE_SUCCESS(rv, rv); if (!hasResult) { NS_ERROR("This is bad, we just added this value! Where'd it go?!"); return NS_ERROR_FAILURE; } aObjectDataId = stmt->AsInt64(0); } NS_ASSERTION(aObjectDataId != LL_MININT, "Bad objectData id!"); for (PRUint32 indexIndex = 0; indexIndex < indexCount; indexIndex++) { const IndexUpdateInfo& updateInfo = aUpdateInfoArray[indexIndex]; stmt = aTransaction->IndexUpdateStatement(updateInfo.info.autoIncrement, updateInfo.info.unique, aOverwrite); NS_ENSURE_TRUE(stmt, NS_ERROR_FAILURE); mozStorageStatementScoper scoper2(stmt); rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("index_id"), updateInfo.info.id); NS_ENSURE_SUCCESS(rv, rv); rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("object_data_id"), aObjectDataId); NS_ENSURE_SUCCESS(rv, rv); if (!updateInfo.info.autoIncrement) { rv = aObjectStoreKey.BindToStatement(stmt, NS_LITERAL_CSTRING("object_data_key")); NS_ENSURE_SUCCESS(rv, rv); } rv = updateInfo.value.BindToStatementAllowUnset(stmt, NS_LITERAL_CSTRING("value")); NS_ENSURE_SUCCESS(rv, rv); rv = stmt->Execute(); if (NS_FAILED(rv)) { return rv; } } return NS_OK; } // static nsresult IDBObjectStore::GetStructuredCloneDataFromStatement( mozIStorageStatement* aStatement, PRUint32 aIndex, JSAutoStructuredCloneBuffer& aBuffer) { #ifdef DEBUG { PRInt32 valueType; NS_ASSERTION(NS_SUCCEEDED(aStatement->GetTypeOfIndex(aIndex, &valueType)) && valueType == mozIStorageStatement::VALUE_TYPE_BLOB, "Bad value type!"); } #endif const PRUint8* data; PRUint32 dataLength; nsresult rv = aStatement->GetSharedBlob(aIndex, &dataLength, &data); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); return aBuffer.copy(reinterpret_cast(data), dataLength) ? NS_OK : NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR; } // static void IDBObjectStore::ClearStructuredCloneBuffer(JSAutoStructuredCloneBuffer& aBuffer) { if (aBuffer.data()) { aBuffer.clear(); } } // static bool IDBObjectStore::DeserializeValue(JSContext* aCx, JSAutoStructuredCloneBuffer& aBuffer, jsval* aValue, JSStructuredCloneCallbacks* aCallbacks, void* aClosure) { NS_ASSERTION(NS_IsMainThread(), "Should only be deserializing on the main thread!"); NS_ASSERTION(aCx, "A JSContext is required!"); if (!aBuffer.data()) { *aValue = JSVAL_VOID; return true; } JSAutoRequest ar(aCx); return aBuffer.read(aCx, aValue, aCallbacks, aClosure); } // static bool IDBObjectStore::SerializeValue(JSContext* aCx, JSAutoStructuredCloneBuffer& aBuffer, jsval aValue, JSStructuredCloneCallbacks* aCallbacks, void* aClosure) { NS_ASSERTION(NS_IsMainThread(), "Should only be serializing on the main thread!"); NS_ASSERTION(aCx, "A JSContext is required!"); JSAutoRequest ar(aCx); return aBuffer.write(aCx, aValue, aCallbacks, aClosure); } static inline jsdouble SwapBytes(PRUint64 u) { #ifdef IS_BIG_ENDIAN return ((u & 0x00000000000000ffLLU) << 56) | ((u & 0x000000000000ff00LLU) << 40) | ((u & 0x0000000000ff0000LLU) << 24) | ((u & 0x00000000ff000000LLU) << 8) | ((u & 0x000000ff00000000LLU) >> 8) | ((u & 0x0000ff0000000000LLU) >> 24) | ((u & 0x00ff000000000000LLU) >> 40) | ((u & 0xff00000000000000LLU) >> 56); #else return jsdouble(u); #endif } nsresult IDBObjectStore::ModifyValueForNewKey(JSAutoStructuredCloneBuffer& aBuffer, Key& aKey, PRUint64 aOffsetToKeyProp) { NS_ASSERTION(IsAutoIncrement() && aKey.IsInteger(), "Don't call me!"); NS_ASSERTION(!NS_IsMainThread(), "Wrong thread"); // This is a duplicate of the js engine's byte munging here union { jsdouble d; PRUint64 u; } pun; pun.d = SwapBytes(aKey.ToInteger()); memcpy((char*)aBuffer.data() + aOffsetToKeyProp, &pun.u, sizeof(PRUint64)); return NS_OK; } IDBObjectStore::IDBObjectStore() : mId(LL_MININT), mAutoIncrement(false) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); } IDBObjectStore::~IDBObjectStore() { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); } nsresult IDBObjectStore::GetAddInfo(JSContext* aCx, jsval aValue, jsval aKeyVal, JSAutoStructuredCloneBuffer& aCloneBuffer, Key& aKey, nsTArray& aUpdateInfoArray, PRUint64* aOffsetToKeyProp) { nsresult rv; // Return DATA_ERR if a key was passed in and this objectStore uses inline // keys. if (!JSVAL_IS_VOID(aKeyVal) && !mKeyPath.IsEmpty()) { return NS_ERROR_DOM_INDEXEDDB_DATA_ERR; } JSAutoRequest ar(aCx); if (mKeyPath.IsEmpty()) { // Out-of-line keys must be passed in. rv = aKey.SetFromJSVal(aCx, aKeyVal); NS_ENSURE_SUCCESS(rv, rv); } else { // Inline keys live on the object. Make sure that the value passed in is an // object. if (JSVAL_IS_PRIMITIVE(aValue)) { return NS_ERROR_DOM_INDEXEDDB_DATA_ERR; } rv = GetKeyFromObject(aCx, JSVAL_TO_OBJECT(aValue), mKeyPath, aKey); NS_ENSURE_SUCCESS(rv, rv); } // Return DATA_ERR if no key was specified this isn't an autoIncrement // objectStore. if (aKey.IsUnset() && !mAutoIncrement) { return NS_ERROR_DOM_INDEXEDDB_DATA_ERR; } // Figure out indexes and the index values to update here. ObjectStoreInfo* info; if (!mTransaction->Database()->Info()->GetObjectStore(mName, &info)) { NS_ERROR("This should never fail!"); } rv = GetIndexUpdateInfo(info, aCx, aValue, aUpdateInfoArray); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); const jschar* keyPathChars = reinterpret_cast(mKeyPath.get()); const size_t keyPathLen = mKeyPath.Length(); JSBool ok = JS_FALSE; if (!mKeyPath.IsEmpty() && aKey.IsUnset()) { NS_ASSERTION(mAutoIncrement, "Should have bailed earlier!"); JSObject* obj = JS_NewObject(aCx, &gDummyPropClass, nsnull, nsnull); NS_ENSURE_TRUE(obj, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); jsval key = OBJECT_TO_JSVAL(obj); ok = JS_DefineUCProperty(aCx, JSVAL_TO_OBJECT(aValue), keyPathChars, keyPathLen, key, nsnull, nsnull, JSPROP_ENUMERATE); NS_ENSURE_TRUE(ok, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); // From this point on we have to try to remove the property. } JSStructuredCloneCallbacks callbacks = { nsnull, StructuredCloneWriteDummyProp, nsnull }; *aOffsetToKeyProp = 0; // We guard on rv being a success because we need to run the property // deletion code below even if we should not be serializing the value if (NS_SUCCEEDED(rv) && !IDBObjectStore::SerializeValue(aCx, aCloneBuffer, aValue, &callbacks, aOffsetToKeyProp)) { rv = NS_ERROR_DOM_DATA_CLONE_ERR; } if (ok) { // If this fails, we lose, and the web page sees a magical property // appear on the object :-( jsval succeeded; ok = JS_DeleteUCProperty2(aCx, JSVAL_TO_OBJECT(aValue), keyPathChars, keyPathLen, &succeeded); NS_ENSURE_TRUE(ok, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); NS_ASSERTION(JSVAL_IS_BOOLEAN(succeeded), "Wtf?"); NS_ENSURE_TRUE(JSVAL_TO_BOOLEAN(succeeded), NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); } return rv; } nsresult IDBObjectStore::AddOrPut(const jsval& aValue, const jsval& aKey, JSContext* aCx, PRUint8 aOptionalArgCount, nsIIDBRequest** _retval, bool aOverwrite) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); if (!mTransaction->IsOpen()) { return NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR; } if (!IsWriteAllowed()) { return NS_ERROR_DOM_INDEXEDDB_READ_ONLY_ERR; } jsval keyval = (aOptionalArgCount >= 1) ? aKey : JSVAL_VOID; JSAutoStructuredCloneBuffer cloneBuffer; Key key; nsTArray updateInfo; PRUint64 offset; nsresult rv = GetAddInfo(aCx, aValue, keyval, cloneBuffer, key, updateInfo, &offset); if (NS_FAILED(rv)) { return rv; } // Put requires a key. if (aOverwrite && key.IsUnset()) { return NS_ERROR_DOM_INDEXEDDB_DATA_ERR; } nsRefPtr request = GenerateRequest(this); NS_ENSURE_TRUE(request, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); nsRefPtr helper = new AddHelper(mTransaction, request, this, cloneBuffer, key, aOverwrite, updateInfo, offset); rv = helper->DispatchToTransactionPool(); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); request.forget(_retval); return NS_OK; } NS_IMPL_CYCLE_COLLECTION_CLASS(IDBObjectStore) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(IDBObjectStore) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR_AMBIGUOUS(mTransaction, nsIDOMEventTarget) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mOwner) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mScriptContext) for (PRUint32 i = 0; i < tmp->mCreatedIndexes.Length(); i++) { NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "mCreatedIndexes[i]"); cb.NoteXPCOMChild(static_cast(tmp->mCreatedIndexes[i].get())); } NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(IDBObjectStore) // Don't unlink mTransaction! NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mOwner) NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mScriptContext) tmp->mCreatedIndexes.Clear(); NS_IMPL_CYCLE_COLLECTION_UNLINK_END NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IDBObjectStore) NS_INTERFACE_MAP_ENTRY(nsIIDBObjectStore) NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(IDBObjectStore) NS_INTERFACE_MAP_ENTRY(nsISupports) NS_INTERFACE_MAP_END NS_IMPL_CYCLE_COLLECTING_ADDREF(IDBObjectStore) NS_IMPL_CYCLE_COLLECTING_RELEASE(IDBObjectStore) DOMCI_DATA(IDBObjectStore, IDBObjectStore) NS_IMETHODIMP IDBObjectStore::GetName(nsAString& aName) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); aName.Assign(mName); return NS_OK; } NS_IMETHODIMP IDBObjectStore::GetKeyPath(nsAString& aKeyPath) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); aKeyPath.Assign(mKeyPath); return NS_OK; } NS_IMETHODIMP IDBObjectStore::GetTransaction(nsIIDBTransaction** aTransaction) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); nsCOMPtr transaction(mTransaction); transaction.forget(aTransaction); return NS_OK; } NS_IMETHODIMP IDBObjectStore::GetIndexNames(nsIDOMDOMStringList** aIndexNames) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); ObjectStoreInfo* info; if (!mTransaction->Database()->Info()->GetObjectStore(mName, &info)) { NS_ERROR("This should never fail!"); } nsRefPtr list(new nsDOMStringList()); PRUint32 count = info->indexes.Length(); for (PRUint32 index = 0; index < count; index++) { NS_ENSURE_TRUE(list->Add(info->indexes[index].name), NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); } list.forget(aIndexNames); return NS_OK; } NS_IMETHODIMP IDBObjectStore::Get(const jsval& aKey, JSContext* aCx, nsIIDBRequest** _retval) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); if (!mTransaction->IsOpen()) { return NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR; } nsRefPtr keyRange; nsresult rv = IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange)); NS_ENSURE_SUCCESS(rv, rv); if (!keyRange) { // Must specify a key or keyRange for get(). return NS_ERROR_DOM_INDEXEDDB_DATA_ERR; } nsRefPtr request = GenerateRequest(this); NS_ENSURE_TRUE(request, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); nsRefPtr helper = new GetHelper(mTransaction, request, this, keyRange); rv = helper->DispatchToTransactionPool(); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); request.forget(_retval); return NS_OK; } NS_IMETHODIMP IDBObjectStore::GetAll(const jsval& aKey, PRUint32 aLimit, JSContext* aCx, PRUint8 aOptionalArgCount, nsIIDBRequest** _retval) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); if (!mTransaction->IsOpen()) { return NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR; } nsresult rv; nsRefPtr keyRange; if (aOptionalArgCount) { rv = IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange)); NS_ENSURE_SUCCESS(rv, rv); } if (aOptionalArgCount < 2) { aLimit = PR_UINT32_MAX; } nsRefPtr request = GenerateRequest(this); NS_ENSURE_TRUE(request, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); nsRefPtr helper = new GetAllHelper(mTransaction, request, this, keyRange, aLimit); rv = helper->DispatchToTransactionPool(); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); request.forget(_retval); return NS_OK; } NS_IMETHODIMP IDBObjectStore::Add(const jsval& aValue, const jsval& aKey, JSContext* aCx, PRUint8 aOptionalArgCount, nsIIDBRequest** _retval) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); return AddOrPut(aValue, aKey, aCx, aOptionalArgCount, _retval, false); } NS_IMETHODIMP IDBObjectStore::Put(const jsval& aValue, const jsval& aKey, JSContext* aCx, PRUint8 aOptionalArgCount, nsIIDBRequest** _retval) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); return AddOrPut(aValue, aKey, aCx, aOptionalArgCount, _retval, true); } NS_IMETHODIMP IDBObjectStore::Delete(const jsval& aKey, JSContext* aCx, nsIIDBRequest** _retval) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); if (!mTransaction->IsOpen()) { return NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR; } if (!IsWriteAllowed()) { return NS_ERROR_DOM_INDEXEDDB_READ_ONLY_ERR; } nsRefPtr keyRange; nsresult rv = IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange)); NS_ENSURE_SUCCESS(rv, rv); if (!keyRange) { // Must specify a key or keyRange for delete(). return NS_ERROR_DOM_INDEXEDDB_DATA_ERR; } nsRefPtr request = GenerateRequest(this); NS_ENSURE_TRUE(request, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); nsRefPtr helper = new DeleteHelper(mTransaction, request, this, keyRange); rv = helper->DispatchToTransactionPool(); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); request.forget(_retval); return NS_OK; } NS_IMETHODIMP IDBObjectStore::Clear(nsIIDBRequest** _retval) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); if (!mTransaction->IsOpen()) { return NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR; } if (!IsWriteAllowed()) { return NS_ERROR_DOM_INDEXEDDB_READ_ONLY_ERR; } nsRefPtr request = GenerateRequest(this); NS_ENSURE_TRUE(request, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); nsRefPtr helper(new ClearHelper(mTransaction, request, this)); nsresult rv = helper->DispatchToTransactionPool(); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); request.forget(_retval); return NS_OK; } NS_IMETHODIMP IDBObjectStore::OpenCursor(const jsval& aKey, PRUint16 aDirection, JSContext* aCx, PRUint8 aOptionalArgCount, nsIIDBRequest** _retval) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); if (!mTransaction->IsOpen()) { return NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR; } nsresult rv; nsRefPtr keyRange; if (aOptionalArgCount) { rv = IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange)); NS_ENSURE_SUCCESS(rv, rv); if (aOptionalArgCount >= 2) { if (aDirection != nsIIDBCursor::NEXT && aDirection != nsIIDBCursor::NEXT_NO_DUPLICATE && aDirection != nsIIDBCursor::PREV && aDirection != nsIIDBCursor::PREV_NO_DUPLICATE) { return NS_ERROR_DOM_INDEXEDDB_NON_TRANSIENT_ERR; } } else { aDirection = nsIIDBCursor::NEXT; } } nsRefPtr request = GenerateRequest(this); NS_ENSURE_TRUE(request, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); nsRefPtr helper = new OpenCursorHelper(mTransaction, request, this, keyRange, aDirection); rv = helper->DispatchToTransactionPool(); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); request.forget(_retval); return NS_OK; } NS_IMETHODIMP IDBObjectStore::CreateIndex(const nsAString& aName, const nsAString& aKeyPath, const jsval& aOptions, JSContext* aCx, nsIIDBIndex** _retval) { NS_PRECONDITION(NS_IsMainThread(), "Wrong thread!"); if (aKeyPath.IsEmpty()) { return NS_ERROR_DOM_INDEXEDDB_NON_TRANSIENT_ERR; } IDBTransaction* transaction = AsyncConnectionHelper::GetCurrentTransaction(); if (!transaction || transaction != mTransaction || mTransaction->Mode() != nsIIDBTransaction::VERSION_CHANGE) { return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR; } ObjectStoreInfo* info; if (!mTransaction->Database()->Info()->GetObjectStore(mName, &info)) { NS_ERROR("This should never fail!"); } bool found = false; PRUint32 indexCount = info->indexes.Length(); for (PRUint32 index = 0; index < indexCount; index++) { if (info->indexes[index].name == aName) { found = true; break; } } if (found) { return NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR; } NS_ASSERTION(mTransaction->IsOpen(), "Impossible!"); bool unique = false; // Get optional arguments. if (!JSVAL_IS_VOID(aOptions) && !JSVAL_IS_NULL(aOptions)) { if (JSVAL_IS_PRIMITIVE(aOptions)) { // XXX Update spec for a real code here return NS_ERROR_DOM_TYPE_ERR; } NS_ASSERTION(JSVAL_IS_OBJECT(aOptions), "Huh?!"); JSObject* options = JSVAL_TO_OBJECT(aOptions); jsval val; if (!JS_GetPropertyById(aCx, options, nsDOMClassInfo::sUnique_id, &val)) { NS_WARNING("JS_GetPropertyById failed!"); return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR; } JSBool boolVal; if (!JS_ValueToBoolean(aCx, val, &boolVal)) { NS_WARNING("JS_ValueToBoolean failed!"); return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR; } unique = !!boolVal; } DatabaseInfo* databaseInfo = mTransaction->Database()->Info(); IndexInfo* indexInfo = info->indexes.AppendElement(); if (!indexInfo) { NS_WARNING("Out of memory!"); return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR; } indexInfo->id = databaseInfo->nextIndexId++; indexInfo->name = aName; indexInfo->keyPath = aKeyPath; indexInfo->unique = unique; indexInfo->autoIncrement = mAutoIncrement; // Don't leave this in the list if we fail below! AutoRemoveIndex autoRemove(mTransaction->Database(), mName, aName); #ifdef DEBUG for (PRUint32 index = 0; index < mCreatedIndexes.Length(); index++) { if (mCreatedIndexes[index]->Name() == aName) { NS_ERROR("Already created this one!"); } } #endif nsRefPtr index(IDBIndex::Create(this, indexInfo)); if (!mCreatedIndexes.AppendElement(index)) { NS_WARNING("Out of memory!"); return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR; } nsRefPtr helper = new CreateIndexHelper(mTransaction, index); nsresult rv = helper->DispatchToTransactionPool(); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); autoRemove.forget(); index.forget(_retval); return NS_OK; } NS_IMETHODIMP IDBObjectStore::Index(const nsAString& aName, nsIIDBIndex** _retval) { NS_PRECONDITION(NS_IsMainThread(), "Wrong thread!"); if (!mTransaction->IsOpen()) { return NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR; } ObjectStoreInfo* info; if (!mTransaction->Database()->Info()->GetObjectStore(mName, &info)) { NS_ERROR("This should never fail!"); } IndexInfo* indexInfo = nsnull; PRUint32 indexCount = info->indexes.Length(); for (PRUint32 index = 0; index < indexCount; index++) { if (info->indexes[index].name == aName) { indexInfo = &(info->indexes[index]); break; } } if (!indexInfo) { return NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR; } nsRefPtr retval; for (PRUint32 i = 0; i < mCreatedIndexes.Length(); i++) { nsRefPtr& index = mCreatedIndexes[i]; if (index->Name() == aName) { retval = index; break; } } if (!retval) { retval = IDBIndex::Create(this, indexInfo); NS_ENSURE_TRUE(retval, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (!mCreatedIndexes.AppendElement(retval)) { NS_WARNING("Out of memory!"); return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR; } } retval.forget(_retval); return NS_OK; } NS_IMETHODIMP IDBObjectStore::DeleteIndex(const nsAString& aName) { NS_PRECONDITION(NS_IsMainThread(), "Wrong thread!"); IDBTransaction* transaction = AsyncConnectionHelper::GetCurrentTransaction(); if (!transaction || transaction != mTransaction || mTransaction->Mode() != nsIIDBTransaction::VERSION_CHANGE) { return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR; } NS_ASSERTION(mTransaction->IsOpen(), "Impossible!"); ObjectStoreInfo* info; if (!mTransaction->Database()->Info()->GetObjectStore(mName, &info)) { NS_ERROR("This should never fail!"); } PRUint32 index = 0; for (; index < info->indexes.Length(); index++) { if (info->indexes[index].name == aName) { break; } } if (index == info->indexes.Length()) { return NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR; } nsRefPtr helper = new DeleteIndexHelper(mTransaction, aName, this); nsresult rv = helper->DispatchToTransactionPool(); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); info->indexes.RemoveElementAt(index); return NS_OK; } NS_IMETHODIMP IDBObjectStore::Count(const jsval& aKey, JSContext* aCx, PRUint8 aOptionalArgCount, nsIIDBRequest** _retval) { if (!mTransaction->IsOpen()) { return NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR; } nsresult rv; nsRefPtr keyRange; if (aOptionalArgCount) { rv = IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange)); NS_ENSURE_SUCCESS(rv, rv); } nsRefPtr request = GenerateRequest(this); NS_ENSURE_TRUE(request, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); nsRefPtr helper = new CountHelper(mTransaction, request, this, keyRange); rv = helper->DispatchToTransactionPool(); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); request.forget(_retval); return NS_OK; } nsresult AddHelper::DoDatabaseWork(mozIStorageConnection* aConnection) { NS_PRECONDITION(aConnection, "Passed a null connection!"); nsresult rv; bool mayOverwrite = mOverwrite; bool unsetKey = mKey.IsUnset(); bool autoIncrement = mObjectStore->IsAutoIncrement(); PRInt64 osid = mObjectStore->Id(); const nsString& keyPath = mObjectStore->KeyPath(); if (unsetKey) { NS_ASSERTION(autoIncrement, "Must have a key for non-autoIncrement!"); // Will need to add first and then set the key later. mayOverwrite = false; } if (autoIncrement && !unsetKey) { mayOverwrite = true; } nsCOMPtr stmt; if (!mOverwrite && !unsetKey) { // Make sure the key doesn't exist already NS_NAMED_LITERAL_CSTRING(id, "id"); NS_NAMED_LITERAL_CSTRING(osidStr, "osid"); nsCString table; nsCString value; if (autoIncrement) { table.AssignLiteral("ai_object_data"); value = id; } else { table.AssignLiteral("object_data"); value.AssignLiteral("key_value"); } nsCString query = NS_LITERAL_CSTRING("SELECT data FROM ") + table + NS_LITERAL_CSTRING(" WHERE ") + value + NS_LITERAL_CSTRING(" = :") + id + NS_LITERAL_CSTRING(" AND object_store_id = :") + osidStr; stmt = mTransaction->GetCachedStatement(query); NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); mozStorageStatementScoper scoper(stmt); rv = stmt->BindInt64ByName(osidStr, osid); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = mKey.BindToStatement(stmt, NS_LITERAL_CSTRING("id")); NS_ENSURE_SUCCESS(rv, rv); bool hasResult; rv = stmt->ExecuteStep(&hasResult); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (hasResult) { return NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR; } } // Now we add it to the database (or update, depending on our variables). stmt = mTransaction->AddStatement(true, mayOverwrite, autoIncrement); NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); mozStorageStatementScoper scoper(stmt); NS_NAMED_LITERAL_CSTRING(keyValue, "key_value"); rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"), osid); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (!autoIncrement || mayOverwrite) { NS_ASSERTION(!mKey.IsUnset(), "This shouldn't happen!"); rv = mKey.BindToStatement(stmt, keyValue); NS_ENSURE_SUCCESS(rv, rv); } const PRUint8* buffer = reinterpret_cast(mCloneBuffer.data()); size_t bufferLength = mCloneBuffer.nbytes(); rv = stmt->BindBlobByName(NS_LITERAL_CSTRING("data"), buffer, bufferLength); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = stmt->Execute(); if (NS_FAILED(rv)) { if (mayOverwrite && rv == NS_ERROR_STORAGE_CONSTRAINT) { scoper.Abandon(); rv = stmt->Reset(); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); stmt = mTransaction->AddStatement(false, true, autoIncrement); NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); mozStorageStatementScoper scoper2(stmt); rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"), osid); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); NS_ASSERTION(!mKey.IsUnset(), "This shouldn't happen!"); rv = mKey.BindToStatement(stmt, keyValue); NS_ENSURE_SUCCESS(rv, rv); rv = stmt->BindBlobByName(NS_LITERAL_CSTRING("data"), buffer, bufferLength); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = stmt->Execute(); } if (NS_FAILED(rv)) { return NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR; } } // If we are supposed to generate a key, get the new id. if (autoIncrement && !mOverwrite) { #ifdef DEBUG PRInt64 oldKey = unsetKey ? 0 : mKey.ToInteger(); #endif PRInt64 newIntKey; rv = aConnection->GetLastInsertRowID(&newIntKey); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = mKey.SetFromInteger(newIntKey); NS_ENSURE_SUCCESS(rv, rv); #ifdef DEBUG NS_ASSERTION(mKey.IsInteger(), "Bad key value!"); if (!unsetKey) { NS_ASSERTION(mKey.ToInteger() == oldKey, "Something went haywire!"); } #endif if (!keyPath.IsEmpty() && unsetKey) { // Special case where someone put an object into an autoIncrement'ing // objectStore with no key in its keyPath set. We needed to figure out // which row id we would get above before we could set that properly. rv = mObjectStore->ModifyValueForNewKey(mCloneBuffer, mKey, mOffsetToKeyProp); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); scoper.Abandon(); rv = stmt->Reset(); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); stmt = mTransaction->AddStatement(false, true, true); NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); mozStorageStatementScoper scoper2(stmt); rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"), osid); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = mKey.BindToStatement(stmt, keyValue); NS_ENSURE_SUCCESS(rv, rv); buffer = reinterpret_cast(mCloneBuffer.data()); bufferLength = mCloneBuffer.nbytes(); rv = stmt->BindBlobByName(NS_LITERAL_CSTRING("data"), buffer, bufferLength); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = stmt->Execute(); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); } } // Update our indexes if needed. if (!mIndexUpdateInfo.IsEmpty()) { PRInt64 objectDataId = autoIncrement ? mKey.ToInteger() : LL_MININT; rv = IDBObjectStore::UpdateIndexes(mTransaction, osid, mKey, autoIncrement, mOverwrite, objectDataId, mIndexUpdateInfo); if (rv == NS_ERROR_STORAGE_CONSTRAINT) { return NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR; } NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); } return NS_OK; } nsresult AddHelper::GetSuccessResult(JSContext* aCx, jsval* aVal) { NS_ASSERTION(!mKey.IsUnset(), "Badness!"); mCloneBuffer.clear(); return mKey.ToJSVal(aCx, aVal); } nsresult GetHelper::DoDatabaseWork(mozIStorageConnection* /* aConnection */) { NS_ASSERTION(mKeyRange, "Must have a key range here!"); nsCString table; nsCString value; if (mObjectStore->IsAutoIncrement()) { table.AssignLiteral("ai_object_data"); value.AssignLiteral("id"); } else { table.AssignLiteral("object_data"); value.AssignLiteral("key_value"); } nsCString keyRangeClause; mKeyRange->GetBindingClause(value, keyRangeClause); NS_ASSERTION(!keyRangeClause.IsEmpty(), "Huh?!"); NS_NAMED_LITERAL_CSTRING(osid, "osid"); nsCString query = NS_LITERAL_CSTRING("SELECT data FROM ") + table + NS_LITERAL_CSTRING(" WHERE object_store_id = :") + osid + keyRangeClause + NS_LITERAL_CSTRING(" LIMIT 1"); nsCOMPtr stmt = mTransaction->GetCachedStatement(query); NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); mozStorageStatementScoper scoper(stmt); nsresult rv = stmt->BindInt64ByName(osid, mObjectStore->Id()); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = mKeyRange->BindToStatement(stmt); NS_ENSURE_SUCCESS(rv, rv); bool hasResult; rv = stmt->ExecuteStep(&hasResult); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (hasResult) { rv = IDBObjectStore::GetStructuredCloneDataFromStatement(stmt, 0, mCloneBuffer); NS_ENSURE_SUCCESS(rv, rv); } return NS_OK; } nsresult GetHelper::GetSuccessResult(JSContext* aCx, jsval* aVal) { bool result = IDBObjectStore::DeserializeValue(aCx, mCloneBuffer, aVal); mCloneBuffer.clear(); NS_ENSURE_TRUE(result, NS_ERROR_FAILURE); return NS_OK; } nsresult DeleteHelper::DoDatabaseWork(mozIStorageConnection* /*aConnection */) { NS_ASSERTION(mKeyRange, "Must have a key range here!"); nsCString table; nsCString value; if (mObjectStore->IsAutoIncrement()) { table.AssignLiteral("ai_object_data"); value.AssignLiteral("id"); } else { table.AssignLiteral("object_data"); value.AssignLiteral("key_value"); } nsCString keyRangeClause; mKeyRange->GetBindingClause(value, keyRangeClause); NS_ASSERTION(!keyRangeClause.IsEmpty(), "Huh?!"); NS_NAMED_LITERAL_CSTRING(osid, "osid"); nsCString query = NS_LITERAL_CSTRING("DELETE FROM ") + table + NS_LITERAL_CSTRING(" WHERE object_store_id = :") + osid + keyRangeClause; nsCOMPtr stmt = mTransaction->GetCachedStatement(query); NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); mozStorageStatementScoper scoper(stmt); nsresult rv = stmt->BindInt64ByName(osid, mObjectStore->Id()); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = mKeyRange->BindToStatement(stmt); NS_ENSURE_SUCCESS(rv, rv); rv = stmt->Execute(); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); return NS_OK; } nsresult DeleteHelper::GetSuccessResult(JSContext* aCx, jsval* aVal) { *aVal = JSVAL_VOID; return NS_OK; } nsresult ClearHelper::DoDatabaseWork(mozIStorageConnection* aConnection) { NS_PRECONDITION(aConnection, "Passed a null connection!"); nsCString table; if (mObjectStore->IsAutoIncrement()) { table.AssignLiteral("ai_object_data"); } else { table.AssignLiteral("object_data"); } nsCString query = NS_LITERAL_CSTRING("DELETE FROM ") + table + NS_LITERAL_CSTRING(" WHERE object_store_id = :osid"); nsCOMPtr stmt = mTransaction->GetCachedStatement(query); NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); mozStorageStatementScoper scoper(stmt); nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"), mObjectStore->Id()); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = stmt->Execute(); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); return NS_OK; } nsresult OpenCursorHelper::DoDatabaseWork(mozIStorageConnection* aConnection) { nsCString table; nsCString keyColumn; if (mObjectStore->IsAutoIncrement()) { table.AssignLiteral("ai_object_data"); keyColumn.AssignLiteral("id"); } else { table.AssignLiteral("object_data"); keyColumn.AssignLiteral("key_value"); } NS_NAMED_LITERAL_CSTRING(id, "id"); nsCString keyRangeClause; if (mKeyRange) { mKeyRange->GetBindingClause(keyColumn, keyRangeClause); } nsCAutoString directionClause = NS_LITERAL_CSTRING(" ORDER BY ") + keyColumn; switch (mDirection) { case nsIIDBCursor::NEXT: case nsIIDBCursor::NEXT_NO_DUPLICATE: directionClause += NS_LITERAL_CSTRING(" ASC"); break; case nsIIDBCursor::PREV: case nsIIDBCursor::PREV_NO_DUPLICATE: directionClause += NS_LITERAL_CSTRING(" DESC"); break; default: NS_NOTREACHED("Unknown direction type!"); } nsCString firstQuery = NS_LITERAL_CSTRING("SELECT ") + keyColumn + NS_LITERAL_CSTRING(", data FROM ") + table + NS_LITERAL_CSTRING(" WHERE object_store_id = :") + id + keyRangeClause + directionClause; nsCOMPtr stmt = mTransaction->GetCachedStatement(firstQuery); NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); mozStorageStatementScoper scoper(stmt); nsresult rv = stmt->BindInt64ByName(id, mObjectStore->Id()); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (mKeyRange) { rv = mKeyRange->BindToStatement(stmt); NS_ENSURE_SUCCESS(rv, rv); } bool hasResult; rv = stmt->ExecuteStep(&hasResult); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (!hasResult) { mKey.Unset(); return NS_OK; } rv = mKey.SetFromStatement(stmt, 0); NS_ENSURE_SUCCESS(rv, rv); rv = IDBObjectStore::GetStructuredCloneDataFromStatement(stmt, 1, mCloneBuffer); NS_ENSURE_SUCCESS(rv, rv); // Now we need to make the query to get the next match. keyRangeClause.Truncate(); nsCAutoString continueToKeyRangeClause; NS_NAMED_LITERAL_CSTRING(currentKey, "current_key"); NS_NAMED_LITERAL_CSTRING(rangeKey, "range_key"); switch (mDirection) { case nsIIDBCursor::NEXT: case nsIIDBCursor::NEXT_NO_DUPLICATE: AppendConditionClause(keyColumn, currentKey, false, false, keyRangeClause); AppendConditionClause(keyColumn, currentKey, false, true, continueToKeyRangeClause); if (mKeyRange && !mKeyRange->Upper().IsUnset()) { AppendConditionClause(keyColumn, rangeKey, true, !mKeyRange->IsUpperOpen(), keyRangeClause); AppendConditionClause(keyColumn, rangeKey, true, !mKeyRange->IsUpperOpen(), continueToKeyRangeClause); mRangeKey = mKeyRange->Upper(); } break; case nsIIDBCursor::PREV: case nsIIDBCursor::PREV_NO_DUPLICATE: AppendConditionClause(keyColumn, currentKey, true, false, keyRangeClause); AppendConditionClause(keyColumn, currentKey, true, true, continueToKeyRangeClause); if (mKeyRange && !mKeyRange->Lower().IsUnset()) { AppendConditionClause(keyColumn, rangeKey, false, !mKeyRange->IsLowerOpen(), keyRangeClause); AppendConditionClause(keyColumn, rangeKey, false, !mKeyRange->IsLowerOpen(), continueToKeyRangeClause); mRangeKey = mKeyRange->Lower(); } break; default: NS_NOTREACHED("Unknown direction type!"); } mContinueQuery = NS_LITERAL_CSTRING("SELECT ") + keyColumn + NS_LITERAL_CSTRING(", data FROM ") + table + NS_LITERAL_CSTRING(" WHERE object_store_id = :") + id + keyRangeClause + directionClause + NS_LITERAL_CSTRING(" LIMIT 1"); mContinueToQuery = NS_LITERAL_CSTRING("SELECT ") + keyColumn + NS_LITERAL_CSTRING(", data FROM ") + table + NS_LITERAL_CSTRING(" WHERE object_store_id = :") + id + continueToKeyRangeClause + directionClause + NS_LITERAL_CSTRING(" LIMIT "); return NS_OK; } nsresult OpenCursorHelper::GetSuccessResult(JSContext* aCx, jsval* aVal) { if (mKey.IsUnset()) { *aVal = JSVAL_VOID; return NS_OK; } nsRefPtr cursor = IDBCursor::Create(mRequest, mTransaction, mObjectStore, mDirection, mRangeKey, mContinueQuery, mContinueToQuery, mKey, mCloneBuffer); NS_ENSURE_TRUE(cursor, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); NS_ASSERTION(!mCloneBuffer.data(), "Should have swapped!"); return WrapNative(aCx, cursor, aVal); } class ThreadLocalJSRuntime { JSRuntime* mRuntime; JSContext* mContext; JSObject* mGlobal; static JSClass sGlobalClass; static const unsigned sRuntimeHeapSize = 256 * 1024; // should be enough for anyone ThreadLocalJSRuntime() : mRuntime(NULL), mContext(NULL), mGlobal(NULL) { MOZ_COUNT_CTOR(ThreadLocalJSRuntime); } nsresult Init() { mRuntime = JS_NewRuntime(sRuntimeHeapSize); NS_ENSURE_TRUE(mRuntime, NS_ERROR_OUT_OF_MEMORY); mContext = JS_NewContext(mRuntime, 0); NS_ENSURE_TRUE(mContext, NS_ERROR_OUT_OF_MEMORY); JSAutoRequest ar(mContext); mGlobal = JS_NewCompartmentAndGlobalObject(mContext, &sGlobalClass, NULL); NS_ENSURE_TRUE(mGlobal, NS_ERROR_OUT_OF_MEMORY); JS_SetGlobalObject(mContext, mGlobal); return NS_OK; } public: static ThreadLocalJSRuntime *Create() { ThreadLocalJSRuntime *entry = new ThreadLocalJSRuntime(); NS_ENSURE_TRUE(entry, nsnull); if (NS_FAILED(entry->Init())) { delete entry; return nsnull; } return entry; } JSContext *Context() const { return mContext; } ~ThreadLocalJSRuntime() { MOZ_COUNT_DTOR(ThreadLocalJSRuntime); if (mContext) { JS_DestroyContext(mContext); } if (mRuntime) { JS_DestroyRuntime(mRuntime); } } }; JSClass ThreadLocalJSRuntime::sGlobalClass = { "IndexedDBTransactionThreadGlobal", JSCLASS_GLOBAL_FLAGS, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_StrictPropertyStub, JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub }; CreateIndexHelper::CreateIndexHelper(IDBTransaction* aTransaction, IDBIndex* aIndex) : AsyncConnectionHelper(aTransaction, nsnull), mIndex(aIndex) { if (sTLSIndex == BAD_TLS_INDEX) { PR_NewThreadPrivateIndex(&sTLSIndex, DestroyTLSEntry); } } void CreateIndexHelper::DestroyTLSEntry(void* aPtr) { delete reinterpret_cast(aPtr); } nsresult CreateIndexHelper::DoDatabaseWork(mozIStorageConnection* aConnection) { // Insert the data into the database. nsCOMPtr stmt = mTransaction->GetCachedStatement( "INSERT INTO object_store_index (id, name, key_path, unique_index, " "object_store_id, object_store_autoincrement) " "VALUES (:id, :name, :key_path, :unique, :osid, :os_auto_increment)" ); NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); mozStorageStatementScoper scoper(stmt); nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("id"), mIndex->Id()); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = stmt->BindStringByName(NS_LITERAL_CSTRING("name"), mIndex->Name()); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = stmt->BindStringByName(NS_LITERAL_CSTRING("key_path"), mIndex->KeyPath()); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = stmt->BindInt32ByName(NS_LITERAL_CSTRING("unique"), mIndex->IsUnique() ? 1 : 0); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"), mIndex->ObjectStore()->Id()); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = stmt->BindInt32ByName(NS_LITERAL_CSTRING("os_auto_increment"), mIndex->IsAutoIncrement() ? 1 : 0); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (NS_FAILED(stmt->Execute())) { return NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR; } #ifdef DEBUG { PRInt64 id; aConnection->GetLastInsertRowID(&id); NS_ASSERTION(mIndex->Id() == id, "Bad index id!"); } #endif // Now we need to populate the index with data from the object store. rv = InsertDataFromObjectStore(aConnection); if (NS_FAILED(rv)) { return rv; } return NS_OK; } nsresult CreateIndexHelper::InsertDataFromObjectStore(mozIStorageConnection* aConnection) { nsCAutoString table; nsCAutoString columns; if (mIndex->IsAutoIncrement()) { table.AssignLiteral("ai_object_data"); columns.AssignLiteral("id, data"); } else { table.AssignLiteral("object_data"); columns.AssignLiteral("id, data, key_value"); } nsCString query = NS_LITERAL_CSTRING("SELECT ") + columns + NS_LITERAL_CSTRING(" FROM ") + table + NS_LITERAL_CSTRING(" WHERE object_store_id = :osid"); nsCOMPtr stmt = mTransaction->GetCachedStatement(query); NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); mozStorageStatementScoper scoper(stmt); nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"), mIndex->ObjectStore()->Id()); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); bool hasResult; while (NS_SUCCEEDED(stmt->ExecuteStep(&hasResult)) && hasResult) { nsCOMPtr insertStmt = mTransaction->IndexUpdateStatement(mIndex->IsAutoIncrement(), mIndex->IsUnique(), false); NS_ENSURE_TRUE(insertStmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); mozStorageStatementScoper scoper2(insertStmt); rv = insertStmt->BindInt64ByName(NS_LITERAL_CSTRING("index_id"), mIndex->Id()); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = insertStmt->BindInt64ByName(NS_LITERAL_CSTRING("object_data_id"), stmt->AsInt64(0)); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (!mIndex->IsAutoIncrement()) { NS_NAMED_LITERAL_CSTRING(objectDataKey, "object_data_key"); Key key; rv = key.SetFromStatement(stmt, 2); NS_ENSURE_SUCCESS(rv, rv); rv = key.BindToStatement(insertStmt, NS_LITERAL_CSTRING("object_data_key")); NS_ENSURE_SUCCESS(rv, rv); } const PRUint8* data; PRUint32 dataLength; rv = stmt->GetSharedBlob(1, &dataLength, &data); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); NS_ENSURE_TRUE(sTLSIndex != BAD_TLS_INDEX, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); ThreadLocalJSRuntime* tlsEntry = reinterpret_cast(PR_GetThreadPrivate(sTLSIndex)); if (!tlsEntry) { tlsEntry = ThreadLocalJSRuntime::Create(); NS_ENSURE_TRUE(tlsEntry, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); PR_SetThreadPrivate(sTLSIndex, tlsEntry); } Key key; rv = IDBObjectStore::GetKeyPathValueFromStructuredData(data, dataLength, mIndex->KeyPath(), tlsEntry->Context(), key); NS_ENSURE_SUCCESS(rv, rv); if (key.IsUnset()) { continue; } rv = key.BindToStatement(insertStmt, NS_LITERAL_CSTRING("value")); NS_ENSURE_SUCCESS(rv, rv); rv = insertStmt->Execute(); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); } return NS_OK; } nsresult DeleteIndexHelper::DoDatabaseWork(mozIStorageConnection* aConnection) { NS_PRECONDITION(!NS_IsMainThread(), "Wrong thread!"); nsCOMPtr stmt = mTransaction->GetCachedStatement( "DELETE FROM object_store_index " "WHERE name = :name " ); NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); mozStorageStatementScoper scoper(stmt); nsresult rv = stmt->BindStringByName(NS_LITERAL_CSTRING("name"), mName); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (NS_FAILED(stmt->Execute())) { return NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR; } return NS_OK; } nsresult GetAllHelper::DoDatabaseWork(mozIStorageConnection* aConnection) { nsCString table; nsCString keyColumn; if (mObjectStore->IsAutoIncrement()) { table.AssignLiteral("ai_object_data"); keyColumn.AssignLiteral("id"); } else { table.AssignLiteral("object_data"); keyColumn.AssignLiteral("key_value"); } NS_NAMED_LITERAL_CSTRING(osid, "osid"); NS_NAMED_LITERAL_CSTRING(lowerKeyName, "lower_key"); NS_NAMED_LITERAL_CSTRING(upperKeyName, "upper_key"); nsCAutoString keyRangeClause; if (mKeyRange) { if (!mKeyRange->Lower().IsUnset()) { keyRangeClause = NS_LITERAL_CSTRING(" AND ") + keyColumn; if (mKeyRange->IsLowerOpen()) { keyRangeClause.AppendLiteral(" > :"); } else { keyRangeClause.AppendLiteral(" >= :"); } keyRangeClause.Append(lowerKeyName); } if (!mKeyRange->Upper().IsUnset()) { keyRangeClause += NS_LITERAL_CSTRING(" AND ") + keyColumn; if (mKeyRange->IsUpperOpen()) { keyRangeClause.AppendLiteral(" < :"); } else { keyRangeClause.AppendLiteral(" <= :"); } keyRangeClause.Append(upperKeyName); } } nsCAutoString limitClause; if (mLimit != PR_UINT32_MAX) { limitClause.AssignLiteral(" LIMIT "); limitClause.AppendInt(mLimit); } nsCString query = NS_LITERAL_CSTRING("SELECT data FROM ") + table + NS_LITERAL_CSTRING(" WHERE object_store_id = :") + osid + keyRangeClause + NS_LITERAL_CSTRING(" ORDER BY ") + keyColumn + NS_LITERAL_CSTRING(" ASC") + limitClause; mCloneBuffers.SetCapacity(50); nsCOMPtr stmt = mTransaction->GetCachedStatement(query); NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); mozStorageStatementScoper scoper(stmt); nsresult rv = stmt->BindInt64ByName(osid, mObjectStore->Id()); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (mKeyRange) { if (!mKeyRange->Lower().IsUnset()) { rv = mKeyRange->Lower().BindToStatement(stmt, lowerKeyName); NS_ENSURE_SUCCESS(rv, rv); } if (!mKeyRange->Upper().IsUnset()) { rv = mKeyRange->Upper().BindToStatement(stmt, upperKeyName); NS_ENSURE_SUCCESS(rv, rv); } } bool hasResult; while (NS_SUCCEEDED((rv = stmt->ExecuteStep(&hasResult))) && hasResult) { if (mCloneBuffers.Capacity() == mCloneBuffers.Length()) { if (!mCloneBuffers.SetCapacity(mCloneBuffers.Capacity() * 2)) { NS_ERROR("Out of memory!"); return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR; } } JSAutoStructuredCloneBuffer* buffer = mCloneBuffers.AppendElement(); NS_ASSERTION(buffer, "Shouldn't fail if SetCapacity succeeded!"); rv = IDBObjectStore::GetStructuredCloneDataFromStatement(stmt, 0, *buffer); NS_ENSURE_SUCCESS(rv, rv); } NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); return NS_OK; } nsresult GetAllHelper::GetSuccessResult(JSContext* aCx, jsval* aVal) { NS_ASSERTION(mCloneBuffers.Length() <= mLimit, "Too many results!"); nsresult rv = ConvertCloneBuffersToArray(aCx, mCloneBuffers, aVal); for (PRUint32 index = 0; index < mCloneBuffers.Length(); index++) { mCloneBuffers[index].clear(); } NS_ENSURE_SUCCESS(rv, rv); return NS_OK; } nsresult CountHelper::DoDatabaseWork(mozIStorageConnection* aConnection) { nsCString table; nsCString keyColumn; if (mObjectStore->IsAutoIncrement()) { table.AssignLiteral("ai_object_data"); keyColumn.AssignLiteral("id"); } else { table.AssignLiteral("object_data"); keyColumn.AssignLiteral("key_value"); } NS_NAMED_LITERAL_CSTRING(osid, "osid"); NS_NAMED_LITERAL_CSTRING(lowerKeyName, "lower_key"); NS_NAMED_LITERAL_CSTRING(upperKeyName, "upper_key"); nsCAutoString keyRangeClause; if (mKeyRange) { if (!mKeyRange->Lower().IsUnset()) { keyRangeClause = NS_LITERAL_CSTRING(" AND ") + keyColumn; if (mKeyRange->IsLowerOpen()) { keyRangeClause.AppendLiteral(" > :"); } else { keyRangeClause.AppendLiteral(" >= :"); } keyRangeClause.Append(lowerKeyName); } if (!mKeyRange->Upper().IsUnset()) { keyRangeClause += NS_LITERAL_CSTRING(" AND ") + keyColumn; if (mKeyRange->IsUpperOpen()) { keyRangeClause.AppendLiteral(" < :"); } else { keyRangeClause.AppendLiteral(" <= :"); } keyRangeClause.Append(upperKeyName); } } nsCString query = NS_LITERAL_CSTRING("SELECT count(*) FROM ") + table + NS_LITERAL_CSTRING(" WHERE object_store_id = :") + osid + keyRangeClause; nsCOMPtr stmt = mTransaction->GetCachedStatement(query); NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); mozStorageStatementScoper scoper(stmt); nsresult rv = stmt->BindInt64ByName(osid, mObjectStore->Id()); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (mKeyRange) { if (!mKeyRange->Lower().IsUnset()) { rv = mKeyRange->Lower().BindToStatement(stmt, lowerKeyName); NS_ENSURE_SUCCESS(rv, rv); } if (!mKeyRange->Upper().IsUnset()) { rv = mKeyRange->Upper().BindToStatement(stmt, upperKeyName); NS_ENSURE_SUCCESS(rv, rv); } } bool hasResult; rv = stmt->ExecuteStep(&hasResult); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); NS_ENSURE_TRUE(hasResult, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); mCount = stmt->AsInt64(0); return NS_OK; } nsresult CountHelper::GetSuccessResult(JSContext* aCx, jsval* aVal) { return JS_NewNumberValue(aCx, static_cast(mCount), aVal); }