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comparison: xpcom/io/nsIObjectInputStream.idl
xpcom/io/nsIObjectInputStream.idl
- changeset 0
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| -1:000000000000 | 0:0a52e90997c4 |
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "nsIBinaryInputStream.idl" | |
| 7 | |
| 8 /** | |
| 9 * @see nsIObjectOutputStream | |
| 10 * @see nsIBinaryInputStream | |
| 11 */ | |
| 12 | |
| 13 [scriptable, uuid(6c248606-4eae-46fa-9df0-ba58502368eb)] | |
| 14 interface nsIObjectInputStream : nsIBinaryInputStream | |
| 15 { | |
| 16 /** | |
| 17 * Read an object from this stream to satisfy a strong or weak reference | |
| 18 * to one of its interfaces. If the interface was not along the primary | |
| 19 * inheritance chain ending in the "root" or XPCOM-identity nsISupports, | |
| 20 * readObject will QueryInterface from the deserialized object root to the | |
| 21 * correct interface, which was specified when the object was serialized. | |
| 22 * | |
| 23 * @see nsIObjectOutputStream | |
| 24 */ | |
| 25 nsISupports readObject(in boolean aIsStrongRef); | |
| 26 | |
| 27 [notxpcom] nsresult readID(out nsID aID); | |
| 28 | |
| 29 /** | |
| 30 * Optimized deserialization support -- see nsIStreamBufferAccess.idl. | |
| 31 */ | |
| 32 [notxpcom] charPtr getBuffer(in uint32_t aLength, in uint32_t aAlignMask); | |
| 33 [notxpcom] void putBuffer(in charPtr aBuffer, in uint32_t aLength); | |
| 34 }; | |
| 35 | |
| 36 %{C++ | |
| 37 | |
| 38 inline nsresult | |
| 39 NS_ReadOptionalObject(nsIObjectInputStream* aStream, bool aIsStrongRef, | |
| 40 nsISupports* *aResult) | |
| 41 { | |
| 42 bool nonnull; | |
| 43 nsresult rv = aStream->ReadBoolean(&nonnull); | |
| 44 if (NS_SUCCEEDED(rv)) { | |
| 45 if (nonnull) | |
| 46 rv = aStream->ReadObject(aIsStrongRef, aResult); | |
| 47 else | |
| 48 *aResult = nullptr; | |
| 49 } | |
| 50 return rv; | |
| 51 } | |
| 52 | |
| 53 %} |
