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comparison: dom/indexedDB/KeyPath.h
dom/indexedDB/KeyPath.h
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| -1:000000000000 | 0:47f6ae69e33d |
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=2 et sw=2 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef mozilla_dom_indexeddb_keypath_h__ | |
| 8 #define mozilla_dom_indexeddb_keypath_h__ | |
| 9 | |
| 10 #include "mozilla/dom/indexedDB/IndexedDatabase.h" | |
| 11 | |
| 12 #include "mozilla/dom/BindingDeclarations.h" | |
| 13 | |
| 14 BEGIN_INDEXEDDB_NAMESPACE | |
| 15 | |
| 16 class Key; | |
| 17 | |
| 18 class KeyPath | |
| 19 { | |
| 20 public: | |
| 21 enum KeyPathType { | |
| 22 NONEXISTENT, | |
| 23 STRING, | |
| 24 ARRAY, | |
| 25 ENDGUARD | |
| 26 }; | |
| 27 | |
| 28 void SetType(KeyPathType aType); | |
| 29 | |
| 30 // This does not set exceptions. | |
| 31 bool AppendStringWithValidation(JSContext* aCx, const nsAString& aString); | |
| 32 | |
| 33 explicit KeyPath(int aDummy) | |
| 34 : mType(NONEXISTENT) | |
| 35 { | |
| 36 MOZ_COUNT_CTOR(KeyPath); | |
| 37 } | |
| 38 | |
| 39 KeyPath(const KeyPath& aOther) | |
| 40 { | |
| 41 MOZ_COUNT_CTOR(KeyPath); | |
| 42 *this = aOther; | |
| 43 } | |
| 44 | |
| 45 ~KeyPath() | |
| 46 { | |
| 47 MOZ_COUNT_DTOR(KeyPath); | |
| 48 } | |
| 49 | |
| 50 static nsresult | |
| 51 Parse(JSContext* aCx, const nsAString& aString, KeyPath* aKeyPath); | |
| 52 | |
| 53 static nsresult | |
| 54 Parse(JSContext* aCx, const Sequence<nsString>& aStrings, KeyPath* aKeyPath); | |
| 55 | |
| 56 static nsresult | |
| 57 Parse(JSContext* aCx, const JS::Value& aValue, KeyPath* aKeyPath); | |
| 58 | |
| 59 nsresult | |
| 60 ExtractKey(JSContext* aCx, const JS::Value& aValue, Key& aKey) const; | |
| 61 | |
| 62 nsresult | |
| 63 ExtractKeyAsJSVal(JSContext* aCx, const JS::Value& aValue, | |
| 64 JS::Value* aOutVal) const; | |
| 65 | |
| 66 typedef nsresult | |
| 67 (*ExtractOrCreateKeyCallback)(JSContext* aCx, void* aClosure); | |
| 68 | |
| 69 nsresult | |
| 70 ExtractOrCreateKey(JSContext* aCx, const JS::Value& aValue, Key& aKey, | |
| 71 ExtractOrCreateKeyCallback aCallback, | |
| 72 void* aClosure) const; | |
| 73 | |
| 74 inline bool IsValid() const { | |
| 75 return mType != NONEXISTENT; | |
| 76 } | |
| 77 | |
| 78 inline bool IsArray() const { | |
| 79 return mType == ARRAY; | |
| 80 } | |
| 81 | |
| 82 inline bool IsString() const { | |
| 83 return mType == STRING; | |
| 84 } | |
| 85 | |
| 86 inline bool IsEmpty() const { | |
| 87 return mType == STRING && mStrings[0].IsEmpty(); | |
| 88 } | |
| 89 | |
| 90 bool operator==(const KeyPath& aOther) const | |
| 91 { | |
| 92 return mType == aOther.mType && mStrings == aOther.mStrings; | |
| 93 } | |
| 94 | |
| 95 void SerializeToString(nsAString& aString) const; | |
| 96 static KeyPath DeserializeFromString(const nsAString& aString); | |
| 97 | |
| 98 nsresult ToJSVal(JSContext* aCx, JS::MutableHandle<JS::Value> aValue) const; | |
| 99 nsresult ToJSVal(JSContext* aCx, JS::Heap<JS::Value>& aValue) const; | |
| 100 | |
| 101 bool IsAllowedForObjectStore(bool aAutoIncrement) const; | |
| 102 | |
| 103 KeyPathType mType; | |
| 104 | |
| 105 nsTArray<nsString> mStrings; | |
| 106 }; | |
| 107 | |
| 108 END_INDEXEDDB_NAMESPACE | |
| 109 | |
| 110 #endif /* mozilla_dom_indexeddb_keypath_h__ */ |
