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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either
* the GNU General Public License Version 2 only ("GPL") or
* the Common Development and Distribution License("CDDL")
* (collectively, the "License"). You may not use this file
* except in compliance with the License. You can obtain a copy
* of the License at www.sun.com/CDDL or at COPYRIGHT. See the
* License for the specific language governing permissions and
* limitations under the License. When distributing the software,
* include this License Header Notice in each file and include
* the License file at /legal/license.txt. If applicable, add the
* following below the License Header, with the fields enclosed
* by brackets [] replaced by your own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by
* only the CDDL or only the GPL Version 2, indicate your
* decision by adding "[Contributor] elects to include this
* software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice
* of license, a recipient has the option to distribute your
* version of this file under either the CDDL, the GPL Version
* 2 or to extend the choice of license to its licensees as
* provided above. However, if you add GPL Version 2 code and
* therefore, elected the GPL Version 2 license, then the
* option applies only if the new code is made subject to such
* option by the copyright holder.
*/
#ifndef MOZAPOC_POLICYMODEL_H_INCLUDED
#define MOZAPOC_POLICYMODEL_H_INCLUDED
#include "mozApocPolicyNodeAttributes.h"
#include "nsString.h"
class mozApocPolicyModelNode;
class mozApocPolicyModelNodeRef
{
struct NoAcquire {};
mozApocPolicyModelNode * mPtr;
public:
mozApocPolicyModelNodeRef()
: mPtr(nsnull)
{}
mozApocPolicyModelNodeRef(mozApocPolicyModelNode * aPtr)
: mPtr(aPtr)
{ Acquire_(); }
mozApocPolicyModelNodeRef(mozApocPolicyModelNode * aPtr, NoAcquire)
: mPtr(aPtr)
{}
mozApocPolicyModelNodeRef(const mozApocPolicyModelNodeRef& aOther)
: mPtr(aOther.mPtr)
{ Acquire_(); }
mozApocPolicyModelNodeRef & operator=(const mozApocPolicyModelNodeRef& aOther)
{
aOther.Acquire_();
this->Release_();
mPtr = aOther.mPtr;
return *this;
}
~mozApocPolicyModelNodeRef()
{ Release_(); }
// support for NULL check and comparison
struct OpaqueValue_;
operator OpaqueValue_ const * () const
{ return NS_REINTERPRET_CAST(OpaqueValue_ const *,mPtr); }
mozApocPolicyModelNode * Get() const { return mPtr; }
mozApocPolicyModelNode & operator * () const { return *mPtr; }
mozApocPolicyModelNode * operator -> () const { return mPtr; }
mozApocPolicyModelNodeRef Release()
{
mozApocPolicyModelNode * aPtr = mPtr;
mPtr = 0;
return mozApocPolicyModelNodeRef(aPtr, NoAcquire());
}
private:
void Acquire_() const;
void Release_() const;
};
class mozApocNotificationDispatcher;
class mozApocPolicyModelNode
{
private:
mozApocPolicyModelNode(const nsACString & aName);
public:
void AcquireReference() const;
void ReleaseReference() const;
public:
typedef mozApocPolicyModelNodeRef Ref;
static Ref New(const nsACString & aName, mozApocEntryAttributes aAttributes,
mozApocNotificationDispatcher const & aNotifier);
// explicit mozApocPolicyModelNode(rawData aRawData);
~mozApocPolicyModelNode();
PRBool HasChildren() const { return mChildren != nsnull; }
PRBool HasSiblings() const { return mNext != nsnull; }
PRBool IsNamed(const nsACString & aName) const { return mName.Equals(aName); }
nsAFlatCString const & GetName() const { return mName; }
mozApocEntryAttributes GetAttributes() const { return mAttributes; }
PRBool IsProtected() const { return mozApocAreAnyFlagsSet(mAttributes,MOZAPOC_ENTRY_PROTECTED_FLAGS); }
// TODO: Add support for localized values
nsresult GetValue(nsAString & _retval) const;
PRBool HasValue() const { return mValue != nsnull; }
const mozApocPolicyModelNode * GetChild(const nsACString & aName, nsresult * _rv) const;
Ref GetChild(const nsACString & aName) { return ImplGetChild(aName); }
const mozApocPolicyModelNode * GetFirstChild() const { return mChildren.Get(); }
const mozApocPolicyModelNode * GetNextSibling() const { return mNext.Get(); }
nsresult UpdateValue(const nsAString & aNewValue, mozApocNotificationDispatcher const & aNotifier);
void UpdateAttributes(mozApocEntryAttributes aNewAttributes, mozApocNotificationDispatcher const & aNotifier);
nsresult AddChild(Ref const & aNode);
Ref ReleaseChildren();
static void NextInList(Ref & aListPosition) { aListPosition = aListPosition->mNext; }
static void AppendToNodeList(Ref & aList, Ref const & aElement);
static mozApocPolicyModelNodeRef ExtractFromNodeList(Ref & aList, const nsACString & aName);
static void DisposeNodeList(mozApocPolicyModelNodeRef & aList, mozApocNotificationDispatcher const & aNotifier);
private:
mozApocPolicyModelNode * ImplGetChild(const nsACString & aName) const;
mozApocPolicyModelNodeRef ImplDisposeAndGetNext(mozApocNotificationDispatcher const & aNotifier);
private:
mutable PRInt32 mRefCount;
mozApocPolicyModelNodeRef mNext;
mozApocPolicyModelNodeRef mChildren;
nsCString mName;
mozApocEntryAttributes mAttributes;
struct ValueData;
ValueData * mValue;
private:
// not implemented:
mozApocPolicyModelNode(const mozApocPolicyModelNode & aOther);
mozApocPolicyModelNode & operator=(const mozApocPolicyModelNode & aOther);
};
inline
void mozApocPolicyModelNodeRef::Acquire_() const
{ if (mPtr) mPtr->AcquireReference(); }
inline
void mozApocPolicyModelNodeRef::Release_() const
{ if (mPtr) mPtr->ReleaseReference(); }
#endif
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