403 lines
9.3 KiB
C++
403 lines
9.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*/
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#include "nsSoftwareUpdate.h"
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#include "nsInstallVersion.h"
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#include "nsIDOMInstallVersion.h"
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#include "nscore.h"
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#include "nsIFactory.h"
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#include "nsISupports.h"
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#include "nsIScriptGlobalObject.h"
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#include "prprf.h"
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID);
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static NS_DEFINE_IID(kIScriptObjectOwnerIID, NS_ISCRIPTOBJECTOWNER_IID);
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static NS_DEFINE_IID(kIInstallVersion_IID, NS_IDOMINSTALLVERSION_IID);
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nsInstallVersion::nsInstallVersion()
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{
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mScriptObject = nsnull;
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NS_INIT_REFCNT();
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}
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nsInstallVersion::~nsInstallVersion()
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{
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}
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NS_IMETHODIMP
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nsInstallVersion::QueryInterface(REFNSIID aIID,void** aInstancePtr)
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{
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if (aInstancePtr == NULL)
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{
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return NS_ERROR_NULL_POINTER;
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}
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// Always NULL result, in case of failure
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*aInstancePtr = NULL;
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if ( aIID.Equals(kIScriptObjectOwnerIID))
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{
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*aInstancePtr = (void*) ((nsIScriptObjectOwner*)this);
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AddRef();
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return NS_OK;
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}
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else if ( aIID.Equals(kIInstallVersion_IID) )
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{
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*aInstancePtr = (void*) ((nsIDOMInstallVersion*)this);
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AddRef();
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return NS_OK;
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}
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else if ( aIID.Equals(kISupportsIID) )
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{
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*aInstancePtr = (void*)(nsISupports*)(nsIScriptObjectOwner*)this;
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AddRef();
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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NS_IMPL_ADDREF(nsInstallVersion)
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NS_IMPL_RELEASE(nsInstallVersion)
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NS_IMETHODIMP
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nsInstallVersion::GetScriptObject(nsIScriptContext *aContext, void** aScriptObject)
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{
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NS_PRECONDITION(nsnull != aScriptObject, "null arg");
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nsresult res = NS_OK;
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if (nsnull == mScriptObject)
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{
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res = NS_NewScriptInstallVersion(aContext,
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(nsISupports *)(nsIDOMInstallVersion*)this,
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nsnull,
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&mScriptObject);
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}
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*aScriptObject = mScriptObject;
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return res;
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}
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NS_IMETHODIMP
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nsInstallVersion::SetScriptObject(void *aScriptObject)
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{
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mScriptObject = aScriptObject;
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return NS_OK;
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}
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// this will go away when our constructors can have parameters.
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NS_IMETHODIMP
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nsInstallVersion::Init(PRInt32 aMajor, PRInt32 aMinor, PRInt32 aRelease, PRInt32 aBuild)
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{
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major = aMajor;
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minor = aMinor;
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release = aRelease;
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build = aBuild;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsInstallVersion::Init(const nsString& version)
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{
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PRInt32 errorCode;
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PRInt32 aMajor, aMinor, aRelease, aBuild;
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major = minor = release = build = 0;
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errorCode = nsInstallVersion::StringToVersionNumbers(version, &aMajor, &aMinor, &aRelease, &aBuild);
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if (NS_SUCCEEDED(errorCode))
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{
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Init(aMajor, aMinor, aRelease, aBuild);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsInstallVersion::GetMajor(PRInt32* aMajor)
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{
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*aMajor = major;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsInstallVersion::SetMajor(PRInt32 aMajor)
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{
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major = aMajor;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsInstallVersion::GetMinor(PRInt32* aMinor)
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{
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*aMinor = minor;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsInstallVersion::SetMinor(PRInt32 aMinor)
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{
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minor = aMinor;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsInstallVersion::GetRelease(PRInt32* aRelease)
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{
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*aRelease = release;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsInstallVersion::SetRelease(PRInt32 aRelease)
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{
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release = aRelease;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsInstallVersion::GetBuild(PRInt32* aBuild)
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{
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*aBuild = build;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsInstallVersion::SetBuild(PRInt32 aBuild)
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{
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build = aBuild;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsInstallVersion::CompareTo(nsIDOMInstallVersion* aVersion, PRInt32* aReturn)
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{
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PRInt32 aMajor, aMinor, aRelease, aBuild;
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aVersion->GetMajor(&aMajor);
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aVersion->GetMinor(&aMinor);
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aVersion->GetRelease(&aRelease);
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aVersion->GetBuild(&aBuild);
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CompareTo(aMajor, aMinor, aRelease, aBuild, aReturn);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsInstallVersion::CompareTo(const nsString& aString, PRInt32* aReturn)
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{
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nsInstallVersion inVersion;
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inVersion.Init(aString);
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return CompareTo(&inVersion, aReturn);
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}
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NS_IMETHODIMP
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nsInstallVersion::CompareTo(PRInt32 aMajor, PRInt32 aMinor, PRInt32 aRelease, PRInt32 aBuild, PRInt32* aReturn)
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{
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int diff;
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if ( major == aMajor )
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{
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if ( minor == aMinor )
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{
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if ( release == aRelease )
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{
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if ( build == aBuild )
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diff = EQUAL;
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else if ( build > aBuild )
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diff = BLD_DIFF;
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else
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diff = BLD_DIFF_MINUS;
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}
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else if ( release > aRelease )
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diff = REL_DIFF;
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else
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diff = REL_DIFF_MINUS;
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}
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else if ( minor > aMinor )
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diff = MINOR_DIFF;
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else
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diff = MINOR_DIFF_MINUS;
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}
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else if ( major > aMajor )
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diff = MAJOR_DIFF;
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else
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diff = MAJOR_DIFF_MINUS;
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*aReturn = diff;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsInstallVersion::ToString(nsString& aReturn)
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{
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char *result=NULL;
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result = PR_sprintf_append(result, "%d.%d.%d.%d", major, minor, release, build);
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aReturn = result;
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return NS_OK;
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}
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nsresult
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nsInstallVersion::StringToVersionNumbers(const nsString& version, PRInt32 *aMajor, PRInt32 *aMinor, PRInt32 *aRelease, PRInt32 *aBuild)
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{
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PRInt32 errorCode;
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int dot = version.FindChar('.', PR_FALSE,0);
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if ( dot == -1 )
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{
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*aMajor = version.ToInteger(&errorCode);
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}
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else
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{
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nsString majorStr;
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version.Mid(majorStr, 0, dot);
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*aMajor = majorStr.ToInteger(&errorCode);
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int prev = dot+1;
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dot = version.FindChar('.',PR_FALSE,prev);
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if ( dot == -1 )
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{
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nsString minorStr;
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version.Mid(minorStr, prev, version.Length() - prev);
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*aMinor = minorStr.ToInteger(&errorCode);
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}
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else
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{
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nsString minorStr;
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version.Mid(minorStr, prev, dot - prev);
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*aMinor = minorStr.ToInteger(&errorCode);
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prev = dot+1;
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dot = version.FindChar('.',PR_FALSE,prev);
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if ( dot == -1 )
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{
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nsString releaseStr;
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version.Mid(releaseStr, prev, version.Length() - prev);
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*aRelease = releaseStr.ToInteger(&errorCode);
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}
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else
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{
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nsString releaseStr;
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version.Mid(releaseStr, prev, dot - prev);
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*aRelease = releaseStr.ToInteger(&errorCode);
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prev = dot+1;
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if ( version.Length() > dot )
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{
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nsString buildStr;
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version.Mid(buildStr, prev, version.Length() - prev);
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*aBuild = buildStr.ToInteger(&errorCode);
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}
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}
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}
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}
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return errorCode;
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}
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/////////////////////////////////////////////////////////////////////////
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//
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/////////////////////////////////////////////////////////////////////////
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nsInstallVersionFactory::nsInstallVersionFactory(void)
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{
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NS_INIT_REFCNT();
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}
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nsInstallVersionFactory::~nsInstallVersionFactory(void)
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{
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NS_ASSERTION(mRefCnt == 0, "non-zero refcnt at destruction");
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}
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NS_IMETHODIMP
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nsInstallVersionFactory::QueryInterface(const nsIID &aIID, void **aResult)
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{
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if (! aResult)
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return NS_ERROR_NULL_POINTER;
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// Always NULL result, in case of failure
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*aResult = nsnull;
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if (aIID.Equals(kISupportsIID)) {
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*aResult = NS_STATIC_CAST(nsISupports*, this);
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AddRef();
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return NS_OK;
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} else if (aIID.Equals(kIFactoryIID)) {
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*aResult = NS_STATIC_CAST(nsIFactory*, this);
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AddRef();
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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NS_IMPL_ADDREF(nsInstallVersionFactory);
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NS_IMPL_RELEASE(nsInstallVersionFactory);
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NS_IMETHODIMP
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nsInstallVersionFactory::CreateInstance(nsISupports *aOuter, REFNSIID aIID, void **aResult)
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{
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if (aResult == NULL)
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{
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return NS_ERROR_NULL_POINTER;
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}
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*aResult = NULL;
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/* do I have to use iSupports? */
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nsInstallVersion *inst = new nsInstallVersion();
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if (inst == NULL)
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return NS_ERROR_OUT_OF_MEMORY;
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nsresult result = inst->QueryInterface(aIID, aResult);
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if (NS_FAILED(result))
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delete inst;
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return result;
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}
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NS_IMETHODIMP
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nsInstallVersionFactory::LockFactory(PRBool aLock)
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{
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return NS_OK;
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}
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