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comparison: dom/indexedDB/IDBKeyRange.h
dom/indexedDB/IDBKeyRange.h
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- TOR_BUG_9701
- changeset 15
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| -1:000000000000 | 0:1fb5dc59ebfb |
|---|---|
| 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_idbkeyrange_h__ | |
| 8 #define mozilla_dom_indexeddb_idbkeyrange_h__ | |
| 9 | |
| 10 #include "mozilla/dom/indexedDB/IndexedDatabase.h" | |
| 11 #include "mozilla/dom/indexedDB/Key.h" | |
| 12 | |
| 13 #include "nsISupports.h" | |
| 14 | |
| 15 #include "mozilla/ErrorResult.h" | |
| 16 #include "nsCycleCollectionParticipant.h" | |
| 17 | |
| 18 class mozIStorageStatement; | |
| 19 | |
| 20 namespace mozilla { | |
| 21 namespace dom { | |
| 22 class GlobalObject; | |
| 23 } // namespace dom | |
| 24 } // namespace mozilla | |
| 25 | |
| 26 BEGIN_INDEXEDDB_NAMESPACE | |
| 27 | |
| 28 namespace ipc { | |
| 29 class KeyRange; | |
| 30 } // namespace ipc | |
| 31 | |
| 32 class IDBKeyRange MOZ_FINAL : public nsISupports | |
| 33 { | |
| 34 public: | |
| 35 NS_DECL_CYCLE_COLLECTING_ISUPPORTS | |
| 36 NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(IDBKeyRange) | |
| 37 | |
| 38 static nsresult FromJSVal(JSContext* aCx, | |
| 39 JS::Handle<JS::Value> aVal, | |
| 40 IDBKeyRange** aKeyRange); | |
| 41 | |
| 42 template <class T> | |
| 43 static already_AddRefed<IDBKeyRange> | |
| 44 FromSerializedKeyRange(const T& aKeyRange); | |
| 45 | |
| 46 const Key& Lower() const | |
| 47 { | |
| 48 return mLower; | |
| 49 } | |
| 50 | |
| 51 Key& Lower() | |
| 52 { | |
| 53 return mLower; | |
| 54 } | |
| 55 | |
| 56 const Key& Upper() const | |
| 57 { | |
| 58 return mIsOnly ? mLower : mUpper; | |
| 59 } | |
| 60 | |
| 61 Key& Upper() | |
| 62 { | |
| 63 return mIsOnly ? mLower : mUpper; | |
| 64 } | |
| 65 | |
| 66 // TODO: Remove these in favour of LowerOpen() / UpperOpen(), bug 900578. | |
| 67 bool IsLowerOpen() const | |
| 68 { | |
| 69 return mLowerOpen; | |
| 70 } | |
| 71 | |
| 72 bool IsUpperOpen() const | |
| 73 { | |
| 74 return mUpperOpen; | |
| 75 } | |
| 76 | |
| 77 bool IsOnly() const | |
| 78 { | |
| 79 return mIsOnly; | |
| 80 } | |
| 81 | |
| 82 void GetBindingClause(const nsACString& aKeyColumnName, | |
| 83 nsACString& _retval) const | |
| 84 { | |
| 85 NS_NAMED_LITERAL_CSTRING(andStr, " AND "); | |
| 86 NS_NAMED_LITERAL_CSTRING(spacecolon, " :"); | |
| 87 NS_NAMED_LITERAL_CSTRING(lowerKey, "lower_key"); | |
| 88 | |
| 89 if (IsOnly()) { | |
| 90 // Both keys are set and they're equal. | |
| 91 _retval = andStr + aKeyColumnName + NS_LITERAL_CSTRING(" =") + | |
| 92 spacecolon + lowerKey; | |
| 93 } | |
| 94 else { | |
| 95 nsAutoCString clause; | |
| 96 | |
| 97 if (!Lower().IsUnset()) { | |
| 98 // Lower key is set. | |
| 99 clause.Append(andStr + aKeyColumnName); | |
| 100 clause.AppendLiteral(" >"); | |
| 101 if (!IsLowerOpen()) { | |
| 102 clause.AppendLiteral("="); | |
| 103 } | |
| 104 clause.Append(spacecolon + lowerKey); | |
| 105 } | |
| 106 | |
| 107 if (!Upper().IsUnset()) { | |
| 108 // Upper key is set. | |
| 109 clause.Append(andStr + aKeyColumnName); | |
| 110 clause.AppendLiteral(" <"); | |
| 111 if (!IsUpperOpen()) { | |
| 112 clause.AppendLiteral("="); | |
| 113 } | |
| 114 clause.Append(spacecolon + NS_LITERAL_CSTRING("upper_key")); | |
| 115 } | |
| 116 | |
| 117 _retval = clause; | |
| 118 } | |
| 119 } | |
| 120 | |
| 121 nsresult BindToStatement(mozIStorageStatement* aStatement) const | |
| 122 { | |
| 123 NS_NAMED_LITERAL_CSTRING(lowerKey, "lower_key"); | |
| 124 | |
| 125 if (IsOnly()) { | |
| 126 return Lower().BindToStatement(aStatement, lowerKey); | |
| 127 } | |
| 128 | |
| 129 nsresult rv; | |
| 130 | |
| 131 if (!Lower().IsUnset()) { | |
| 132 rv = Lower().BindToStatement(aStatement, lowerKey); | |
| 133 NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); | |
| 134 } | |
| 135 | |
| 136 if (!Upper().IsUnset()) { | |
| 137 rv = Upper().BindToStatement(aStatement, NS_LITERAL_CSTRING("upper_key")); | |
| 138 NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); | |
| 139 } | |
| 140 | |
| 141 return NS_OK; | |
| 142 } | |
| 143 | |
| 144 template <class T> | |
| 145 void ToSerializedKeyRange(T& aKeyRange); | |
| 146 | |
| 147 void DropJSObjects(); | |
| 148 | |
| 149 // WebIDL | |
| 150 JSObject* | |
| 151 WrapObject(JSContext* aCx); | |
| 152 | |
| 153 nsISupports* | |
| 154 GetParentObject() const | |
| 155 { | |
| 156 return mGlobal; | |
| 157 } | |
| 158 | |
| 159 void | |
| 160 GetLower(JSContext* aCx, JS::MutableHandle<JS::Value> aResult, | |
| 161 ErrorResult& aRv); | |
| 162 | |
| 163 void | |
| 164 GetUpper(JSContext* aCx, JS::MutableHandle<JS::Value> aResult, | |
| 165 ErrorResult& aRv); | |
| 166 | |
| 167 bool | |
| 168 LowerOpen() const | |
| 169 { | |
| 170 return mLowerOpen; | |
| 171 } | |
| 172 | |
| 173 bool | |
| 174 UpperOpen() const | |
| 175 { | |
| 176 return mUpperOpen; | |
| 177 } | |
| 178 | |
| 179 static already_AddRefed<IDBKeyRange> | |
| 180 Only(const GlobalObject& aGlobal, JSContext* aCx, | |
| 181 JS::Handle<JS::Value> aValue, ErrorResult& aRv); | |
| 182 | |
| 183 static already_AddRefed<IDBKeyRange> | |
| 184 LowerBound(const GlobalObject& aGlobal, JSContext* aCx, | |
| 185 JS::Handle<JS::Value> aValue, bool aOpen, ErrorResult& aRv); | |
| 186 | |
| 187 static already_AddRefed<IDBKeyRange> | |
| 188 UpperBound(const GlobalObject& aGlobal, JSContext* aCx, | |
| 189 JS::Handle<JS::Value> aValue, bool aOpen, ErrorResult& aRv); | |
| 190 | |
| 191 static already_AddRefed<IDBKeyRange> | |
| 192 Bound(const GlobalObject& aGlobal, JSContext* aCx, | |
| 193 JS::Handle<JS::Value> aLower, JS::Handle<JS::Value> aUpper, | |
| 194 bool aLowerOpen, bool aUpperOpen, ErrorResult& aRv); | |
| 195 | |
| 196 private: | |
| 197 IDBKeyRange(nsISupports* aGlobal, | |
| 198 bool aLowerOpen, | |
| 199 bool aUpperOpen, | |
| 200 bool aIsOnly) | |
| 201 : mGlobal(aGlobal), mCachedLowerVal(JSVAL_VOID), mCachedUpperVal(JSVAL_VOID), | |
| 202 mLowerOpen(aLowerOpen), mUpperOpen(aUpperOpen), mIsOnly(aIsOnly), | |
| 203 mHaveCachedLowerVal(false), mHaveCachedUpperVal(false), mRooted(false) | |
| 204 { } | |
| 205 | |
| 206 ~IDBKeyRange(); | |
| 207 | |
| 208 nsCOMPtr<nsISupports> mGlobal; | |
| 209 Key mLower; | |
| 210 Key mUpper; | |
| 211 JS::Heap<JS::Value> mCachedLowerVal; | |
| 212 JS::Heap<JS::Value> mCachedUpperVal; | |
| 213 const bool mLowerOpen; | |
| 214 const bool mUpperOpen; | |
| 215 const bool mIsOnly; | |
| 216 bool mHaveCachedLowerVal; | |
| 217 bool mHaveCachedUpperVal; | |
| 218 bool mRooted; | |
| 219 }; | |
| 220 | |
| 221 END_INDEXEDDB_NAMESPACE | |
| 222 | |
| 223 #endif // mozilla_dom_indexeddb_idbkeyrange_h__ |
