mirror of
https://github.com/mozilla/gecko-dev.git
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0d2808c511
Moved nsFileSpec and related classes into this obsolete library. Moved nsRegistry and related libreg functionality into the obsolete library. Updated many callers using the obsolete nsFile spec to use nsIFile and Necko to do file IO. Combined the following DLLs (source -> dest) uriloader -> docshell shistory -> docshell jsurl -> jsdom gkview -> gklayout Moved nsAdapterEnumerator out of xpcom/ds and into mailnews, since they're the only consumer Modifed the xpt_link tool so that you can specify a �only include� cid list that can mask CID�s that you are not interested in. Added build options: Prevent the building of xpinstall (--disable-xpinstall) Prevent the building js component loader (--disable-jsloader) A build option to only build a single profile (--enable-single-profile) A build flag to only built the required xpfe components (--disable-xpfe-components). Removal or hiding of unused functions and classes including nsEscape*, nsDequeIterator, nsRecyclingAllocatorImpl, nsDiscriminatedUnion, nsOpaqueKey, nsCRT::strlen, NS_NewCommandLineService Bug 194240, r/sr = darin, alec.
185 lines
8.4 KiB
C++
185 lines
8.4 KiB
C++
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* John Bandhauer <jband@netscape.com>
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*/
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/* The long avoided variant support for xpcom. */
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#include "nsIVariant.h"
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#include "xpt_struct.h"
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/**
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* Map the nsAUTF8String, nsUTF8String classes to the nsACString and
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* nsCString classes respectively for now. These defines need to be removed
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* once Jag lands his nsUTF8String implementation.
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*/
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#define nsAUTF8String nsACString
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#define nsUTF8String nsCString
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#define PromiseFlatUTF8String PromiseFlatCString
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/**
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* nsDiscriminatedUnion is a type that nsIVariant implementors *may* use
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* to hold underlying data. It has no methods. So, its use requires no linkage
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* to the xpcom module.
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*/
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struct nsDiscriminatedUnion
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{
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union {
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PRInt8 mInt8Value;
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PRInt16 mInt16Value;
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PRInt32 mInt32Value;
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PRInt64 mInt64Value;
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PRUint8 mUint8Value;
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PRUint16 mUint16Value;
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PRUint32 mUint32Value;
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PRUint64 mUint64Value;
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float mFloatValue;
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double mDoubleValue;
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PRBool mBoolValue;
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char mCharValue;
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PRUnichar mWCharValue;
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nsIID mIDValue;
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nsAString* mAStringValue;
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nsAUTF8String* mUTF8StringValue;
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nsACString* mCStringValue;
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struct {
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nsISupports* mInterfaceValue;
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nsIID mInterfaceID;
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} iface;
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struct {
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nsIID mArrayInterfaceID;
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void* mArrayValue;
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PRUint32 mArrayCount;
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PRUint16 mArrayType;
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} array;
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struct {
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char* mStringValue;
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PRUint32 mStringLength;
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} str;
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struct {
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PRUnichar* mWStringValue;
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PRUint32 mWStringLength;
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} wstr;
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} u;
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PRUint16 mType;
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};
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/**
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* nsVariant implements the generic variant support. The xpcom module registers
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* a factory (see NS_VARIANT_CONTRACTID in nsIVariant.idl) that will create
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* these objects. They are created 'empty' and 'writable'.
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*
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* nsIVariant users won't usually need to see this class.
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*
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* This class also has static helper methods that nsIVariant *implementors* can
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* use to help them do all the 'standard' nsIVariant data conversions.
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*/
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class NS_COM nsVariant : public nsIWritableVariant
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIVARIANT
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NS_DECL_NSIWRITABLEVARIANT
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nsVariant();
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virtual ~nsVariant();
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static nsresult Initialize(nsDiscriminatedUnion* data);
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static nsresult Cleanup(nsDiscriminatedUnion* data);
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static nsresult ConvertToInt8(const nsDiscriminatedUnion& data, PRUint8 *_retval);
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static nsresult ConvertToInt16(const nsDiscriminatedUnion& data, PRInt16 *_retval);
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static nsresult ConvertToInt32(const nsDiscriminatedUnion& data, PRInt32 *_retval);
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static nsresult ConvertToInt64(const nsDiscriminatedUnion& data, PRInt64 *_retval);
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static nsresult ConvertToUint8(const nsDiscriminatedUnion& data, PRUint8 *_retval);
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static nsresult ConvertToUint16(const nsDiscriminatedUnion& data, PRUint16 *_retval);
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static nsresult ConvertToUint32(const nsDiscriminatedUnion& data, PRUint32 *_retval);
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static nsresult ConvertToUint64(const nsDiscriminatedUnion& data, PRUint64 *_retval);
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static nsresult ConvertToFloat(const nsDiscriminatedUnion& data, float *_retval);
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static nsresult ConvertToDouble(const nsDiscriminatedUnion& data, double *_retval);
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static nsresult ConvertToBool(const nsDiscriminatedUnion& data, PRBool *_retval);
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static nsresult ConvertToChar(const nsDiscriminatedUnion& data, char *_retval);
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static nsresult ConvertToWChar(const nsDiscriminatedUnion& data, PRUnichar *_retval);
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static nsresult ConvertToID(const nsDiscriminatedUnion& data, nsID * _retval);
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static nsresult ConvertToAString(const nsDiscriminatedUnion& data, nsAString & _retval);
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static nsresult ConvertToAUTF8String(const nsDiscriminatedUnion& data, nsAUTF8String & _retval);
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static nsresult ConvertToACString(const nsDiscriminatedUnion& data, nsACString & _retval);
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static nsresult ConvertToString(const nsDiscriminatedUnion& data, char **_retval);
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static nsresult ConvertToWString(const nsDiscriminatedUnion& data, PRUnichar **_retval);
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static nsresult ConvertToISupports(const nsDiscriminatedUnion& data, nsISupports **_retval);
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static nsresult ConvertToInterface(const nsDiscriminatedUnion& data, nsIID * *iid, void * *iface);
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static nsresult ConvertToArray(const nsDiscriminatedUnion& data, PRUint16 *type, nsIID* iid, PRUint32 *count, void * *ptr);
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static nsresult ConvertToStringWithSize(const nsDiscriminatedUnion& data, PRUint32 *size, char **str);
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static nsresult ConvertToWStringWithSize(const nsDiscriminatedUnion& data, PRUint32 *size, PRUnichar **str);
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static nsresult SetFromVariant(nsDiscriminatedUnion* data, nsIVariant* aValue);
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static nsresult SetFromInt8(nsDiscriminatedUnion* data, PRUint8 aValue);
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static nsresult SetFromInt16(nsDiscriminatedUnion* data, PRInt16 aValue);
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static nsresult SetFromInt32(nsDiscriminatedUnion* data, PRInt32 aValue);
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static nsresult SetFromInt64(nsDiscriminatedUnion* data, PRInt64 aValue);
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static nsresult SetFromUint8(nsDiscriminatedUnion* data, PRUint8 aValue);
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static nsresult SetFromUint16(nsDiscriminatedUnion* data, PRUint16 aValue);
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static nsresult SetFromUint32(nsDiscriminatedUnion* data, PRUint32 aValue);
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static nsresult SetFromUint64(nsDiscriminatedUnion* data, PRUint64 aValue);
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static nsresult SetFromFloat(nsDiscriminatedUnion* data, float aValue);
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static nsresult SetFromDouble(nsDiscriminatedUnion* data, double aValue);
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static nsresult SetFromBool(nsDiscriminatedUnion* data, PRBool aValue);
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static nsresult SetFromChar(nsDiscriminatedUnion* data, char aValue);
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static nsresult SetFromWChar(nsDiscriminatedUnion* data, PRUnichar aValue);
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static nsresult SetFromID(nsDiscriminatedUnion* data, const nsID & aValue);
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static nsresult SetFromAString(nsDiscriminatedUnion* data, const nsAString & aValue);
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static nsresult SetFromAUTF8String(nsDiscriminatedUnion* data, const nsAUTF8String & aValue);
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static nsresult SetFromACString(nsDiscriminatedUnion* data, const nsACString & aValue);
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static nsresult SetFromString(nsDiscriminatedUnion* data, const char *aValue);
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static nsresult SetFromWString(nsDiscriminatedUnion* data, const PRUnichar *aValue);
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static nsresult SetFromISupports(nsDiscriminatedUnion* data, nsISupports *aValue);
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static nsresult SetFromInterface(nsDiscriminatedUnion* data, const nsIID& iid, nsISupports *aValue);
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static nsresult SetFromArray(nsDiscriminatedUnion* data, PRUint16 type, const nsIID* iid, PRUint32 count, void * aValue);
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static nsresult SetFromStringWithSize(nsDiscriminatedUnion* data, PRUint32 size, const char *aValue);
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static nsresult SetFromWStringWithSize(nsDiscriminatedUnion* data, PRUint32 size, const PRUnichar *aValue);
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static nsresult SetToVoid(nsDiscriminatedUnion* data);
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static nsresult SetToEmpty(nsDiscriminatedUnion* data);
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static nsresult SetToEmptyArray(nsDiscriminatedUnion* data);
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protected:
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nsDiscriminatedUnion mData;
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PRBool mWritable;
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};
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/**
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* Users of nsIVariant should be using the contractID and not this CID.
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* - see NS_VARIANT_CONTRACTID in nsIVariant.idl.
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*/
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#define NS_VARIANT_CID \
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{ /* 0D6EA1D0-879C-11d5-90EF-0010A4E73D9A */ \
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0xd6ea1d0, \
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0x879c, \
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0x11d5, \
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{0x90, 0xef, 0x0, 0x10, 0xa4, 0xe7, 0x3d, 0x9a}}
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#define NS_VARIANT_CLASSNAME "Variant"
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