2010-06-23 23:46:08 +04:00
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Indexed Database.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Ben Turner <bent.mozilla@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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2010-06-28 22:51:06 +04:00
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#ifndef mozilla_dom_indexeddb_idbobjectstore_h__
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#define mozilla_dom_indexeddb_idbobjectstore_h__
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2010-06-23 23:46:08 +04:00
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2010-09-10 02:15:38 +04:00
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#include "mozilla/dom/indexedDB/IndexedDatabase.h"
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2010-06-28 20:46:21 +04:00
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#include "mozilla/dom/indexedDB/IDBTransaction.h"
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2010-06-23 23:46:08 +04:00
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2010-06-28 22:51:06 +04:00
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#include "nsIIDBObjectStore.h"
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2010-06-23 23:46:08 +04:00
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2010-09-10 02:15:38 +04:00
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#include "nsDOMEventTargetHelper.h"
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2010-06-23 23:46:08 +04:00
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BEGIN_INDEXEDDB_NAMESPACE
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struct ObjectStoreInfo;
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struct IndexInfo;
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struct IndexUpdateInfo;
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class Key
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{
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public:
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enum Type { UNSETKEY, NULLKEY, STRINGKEY, INTKEY };
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Key()
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: mType(UNSETKEY), mInt(0)
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{ }
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Key(const Key& aOther)
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{
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*this = aOther;
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}
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Key& operator=(const Key& aOther)
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{
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if (this != &aOther) {
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mType = aOther.mType;
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mString = aOther.mString;
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mInt = aOther.mInt;
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}
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return *this;
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}
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Key& operator=(Type aType)
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{
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NS_ASSERTION(aType == UNSETKEY || aType == NULLKEY,
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"Use one of the other operators to assign your value!");
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mType = aType;
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mString.Truncate();
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mInt = 0;
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return *this;
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}
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Key& operator=(const nsAString& aString)
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{
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mType = STRINGKEY;
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mString = aString;
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mInt = 0;
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return *this;
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}
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Key& operator=(PRInt64 aInt)
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{
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mType = INTKEY;
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mString.Truncate();
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mInt = aInt;
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return *this;
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}
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bool operator==(const Key& aOther) const
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{
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if (mType == aOther.mType) {
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switch (mType) {
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case UNSETKEY:
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case NULLKEY:
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return true;
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case STRINGKEY:
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return mString == aOther.mString;
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case INTKEY:
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return mInt == aOther.mInt;
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default:
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NS_NOTREACHED("Unknown type!");
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}
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}
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return false;
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}
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2010-06-29 02:22:41 +04:00
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bool operator!=(const Key& aOther) const
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{
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return !(*this == aOther);
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}
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2010-06-23 23:46:08 +04:00
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bool operator<(const Key& aOther) const
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{
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switch (mType) {
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case UNSETKEY:
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if (aOther.mType == UNSETKEY) {
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return false;
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}
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return true;
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case NULLKEY:
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if (aOther.mType == UNSETKEY ||
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aOther.mType == NULLKEY) {
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return false;
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}
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return true;
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case STRINGKEY:
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if (aOther.mType == UNSETKEY ||
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aOther.mType == NULLKEY ||
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aOther.mType == INTKEY) {
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return false;
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}
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NS_ASSERTION(aOther.mType == STRINGKEY, "Unknown type!");
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return mString < aOther.mString;
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case INTKEY:
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if (aOther.mType == UNSETKEY ||
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aOther.mType == NULLKEY) {
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return false;
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}
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if (aOther.mType == STRINGKEY) {
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return true;
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}
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NS_ASSERTION(aOther.mType == INTKEY, "Unknown type!");
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return mInt < aOther.mInt;
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default:
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NS_NOTREACHED("Unknown type!");
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}
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return false;
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}
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bool operator>(const Key& aOther) const
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{
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return !(*this == aOther || *this < aOther);
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}
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bool IsUnset() const { return mType == UNSETKEY; }
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bool IsNull() const { return mType == NULLKEY; }
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bool IsString() const { return mType == STRINGKEY; }
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bool IsInt() const { return mType == INTKEY; }
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const nsString& StringValue() const {
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NS_ASSERTION(IsString(), "Wrong type!");
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return mString;
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}
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PRInt64 IntValue() const {
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NS_ASSERTION(IsInt(), "Wrong type!");
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return mInt;
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}
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nsAString& ToString() {
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mType = STRINGKEY;
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mInt = 0;
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return mString;
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}
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PRInt64* ToIntPtr() {
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mType = INTKEY;
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mString.Truncate();
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return &mInt;
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}
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private:
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Type mType;
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nsString mString;
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PRInt64 mInt;
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};
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2010-09-10 02:15:38 +04:00
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class IDBObjectStore : public nsDOMEventTargetHelper,
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2010-06-28 22:51:06 +04:00
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public nsIIDBObjectStore
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2010-06-23 23:46:08 +04:00
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{
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public:
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2010-09-10 02:15:38 +04:00
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NS_DECL_ISUPPORTS_INHERITED
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2010-06-23 23:46:08 +04:00
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NS_DECL_NSIIDBOBJECTSTORE
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2010-09-10 02:15:38 +04:00
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IDBObjectStore,
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nsDOMEventTargetHelper)
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2010-06-28 22:51:06 +04:00
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static already_AddRefed<IDBObjectStore>
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Create(IDBTransaction* aTransaction,
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const ObjectStoreInfo* aInfo,
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PRUint16 aMode);
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static nsresult
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GetKeyFromVariant(nsIVariant* aKeyVariant,
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Key& aKey);
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2010-06-29 02:22:41 +04:00
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static nsresult
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GetKeyFromJSVal(jsval aKeyVal,
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Key& aKey);
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static nsresult
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GetJSValFromKey(const Key& aKey,
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JSContext* aCx,
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jsval* aKeyVal);
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2010-06-23 23:46:08 +04:00
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static nsresult
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GetJSONFromArg0(/* jsval arg0, */
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nsAString& aJSON);
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static nsresult
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GetKeyPathValueFromJSON(const nsAString& aJSON,
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const nsAString& aKeyPath,
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JSContext** aCx,
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Key& aValue);
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static nsresult
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GetIndexUpdateInfo(ObjectStoreInfo* aObjectStoreInfo,
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JSContext* aCx,
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jsval aObject,
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nsTArray<IndexUpdateInfo>& aUpdateInfoArray);
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static nsresult
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UpdateIndexes(IDBTransaction* aTransaction,
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PRInt64 aObjectStoreId,
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const Key& aObjectStoreKey,
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bool aAutoIncrement,
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bool aOverwrite,
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PRInt64 aObjectDataId,
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const nsTArray<IndexUpdateInfo>& aUpdateInfoArray);
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bool TransactionIsOpen() const
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{
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return mTransaction->TransactionIsOpen();
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}
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bool IsAutoIncrement() const
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{
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return mAutoIncrement;
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}
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bool IsWriteAllowed() const
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{
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return mTransaction->IsWriteAllowed();
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}
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PRInt64 Id() const
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{
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return mId;
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}
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const nsString& KeyPath() const
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{
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return mKeyPath;
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}
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2010-06-28 20:46:21 +04:00
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IDBTransaction* Transaction()
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2010-06-23 23:46:08 +04:00
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{
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return mTransaction;
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}
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ObjectStoreInfo* GetObjectStoreInfo();
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protected:
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2010-06-28 22:51:06 +04:00
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IDBObjectStore();
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~IDBObjectStore();
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2010-06-23 23:46:08 +04:00
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2010-06-29 02:22:41 +04:00
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nsresult GetAddInfo(JSContext* aCx,
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jsval aValue,
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jsval aKeyVal,
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2010-06-23 23:46:08 +04:00
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nsString& aJSON,
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Key& aKey,
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nsTArray<IndexUpdateInfo>& aUpdateInfoArray);
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private:
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2010-06-28 20:46:21 +04:00
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nsRefPtr<IDBTransaction> mTransaction;
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2010-06-23 23:46:08 +04:00
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PRInt64 mId;
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nsString mName;
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nsString mKeyPath;
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PRBool mAutoIncrement;
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PRUint32 mDatabaseId;
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PRUint16 mMode;
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2010-09-10 02:15:38 +04:00
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// Only touched on the main thread.
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nsRefPtr<nsDOMEventListenerWrapper> mOnErrorListener;
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2010-06-23 23:46:08 +04:00
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};
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END_INDEXEDDB_NAMESPACE
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2010-06-28 22:51:06 +04:00
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#endif // mozilla_dom_indexeddb_idbobjectstore_h__
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