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b3c31c0c49
--HG-- rename : dom/indexedDB/ipc/SerializationHelpers.h => dom/indexedDB/SerializationHelpers.h rename : dom/indexedDB/ipc/unit/head.js => dom/indexedDB/test/unit/xpcshell-head-child-process.js rename : dom/indexedDB/test/unit/head.js => dom/indexedDB/test/unit/xpcshell-head-parent-process.js rename : dom/ipc/Blob.h => dom/ipc/BlobParent.h rename : dom/ipc/FileDescriptorSetChild.cpp => ipc/glue/FileDescriptorSetChild.cpp rename : dom/ipc/FileDescriptorSetChild.h => ipc/glue/FileDescriptorSetChild.h rename : dom/ipc/FileDescriptorSetParent.cpp => ipc/glue/FileDescriptorSetParent.cpp rename : dom/ipc/FileDescriptorSetParent.h => ipc/glue/FileDescriptorSetParent.h rename : dom/ipc/PFileDescriptorSet.ipdl => ipc/glue/PFileDescriptorSet.ipdl
125 lines
2.9 KiB
C++
125 lines
2.9 KiB
C++
/* -*- 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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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_indexeddb_keypath_h__
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#define mozilla_dom_indexeddb_keypath_h__
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#include "mozilla/dom/BindingDeclarations.h"
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namespace mozilla {
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namespace dom {
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namespace indexedDB {
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class IndexMetadata;
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class Key;
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class ObjectStoreMetadata;
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class KeyPath
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{
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// This private constructor is only to be used by IPDL-generated classes.
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friend class IndexMetadata;
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friend class ObjectStoreMetadata;
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KeyPath()
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: mType(NONEXISTENT)
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{
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MOZ_COUNT_CTOR(KeyPath);
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}
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public:
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enum KeyPathType {
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NONEXISTENT,
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STRING,
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ARRAY,
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ENDGUARD
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};
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void SetType(KeyPathType aType);
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// This does not set exceptions.
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bool AppendStringWithValidation(JSContext* aCx, const nsAString& aString);
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explicit KeyPath(int aDummy)
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: mType(NONEXISTENT)
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{
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MOZ_COUNT_CTOR(KeyPath);
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}
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KeyPath(const KeyPath& aOther)
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{
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MOZ_COUNT_CTOR(KeyPath);
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*this = aOther;
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}
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~KeyPath()
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{
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MOZ_COUNT_DTOR(KeyPath);
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}
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static nsresult
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Parse(JSContext* aCx, const nsAString& aString, KeyPath* aKeyPath);
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static nsresult
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Parse(JSContext* aCx, const Sequence<nsString>& aStrings, KeyPath* aKeyPath);
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static nsresult
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Parse(JSContext* aCx, const JS::Value& aValue, KeyPath* aKeyPath);
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nsresult
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ExtractKey(JSContext* aCx, const JS::Value& aValue, Key& aKey) const;
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nsresult
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ExtractKeyAsJSVal(JSContext* aCx, const JS::Value& aValue,
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JS::Value* aOutVal) const;
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typedef nsresult
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(*ExtractOrCreateKeyCallback)(JSContext* aCx, void* aClosure);
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nsresult
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ExtractOrCreateKey(JSContext* aCx, const JS::Value& aValue, Key& aKey,
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ExtractOrCreateKeyCallback aCallback,
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void* aClosure) const;
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inline bool IsValid() const {
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return mType != NONEXISTENT;
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}
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inline bool IsArray() const {
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return mType == ARRAY;
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}
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inline bool IsString() const {
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return mType == STRING;
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}
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inline bool IsEmpty() const {
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return mType == STRING && mStrings[0].IsEmpty();
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}
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bool operator==(const KeyPath& aOther) const
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{
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return mType == aOther.mType && mStrings == aOther.mStrings;
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}
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void SerializeToString(nsAString& aString) const;
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static KeyPath DeserializeFromString(const nsAString& aString);
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nsresult ToJSVal(JSContext* aCx, JS::MutableHandle<JS::Value> aValue) const;
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nsresult ToJSVal(JSContext* aCx, JS::Heap<JS::Value>& aValue) const;
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bool IsAllowedForObjectStore(bool aAutoIncrement) const;
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KeyPathType mType;
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nsTArray<nsString> mStrings;
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};
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} // namespace indexedDB
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_indexeddb_keypath_h__
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