From 16f504a9dca3fe3b70568f67b7d41241ae485288 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 18:49:04 +0200
Subject: Adding upstream version 7.0.6-dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/libs/xpcom18a4/xpcom/base/nsAutoPtr.h | 1353 +++++++++++++++++++++++++++++
 1 file changed, 1353 insertions(+)
 create mode 100644 src/libs/xpcom18a4/xpcom/base/nsAutoPtr.h

(limited to 'src/libs/xpcom18a4/xpcom/base/nsAutoPtr.h')

diff --git a/src/libs/xpcom18a4/xpcom/base/nsAutoPtr.h b/src/libs/xpcom18a4/xpcom/base/nsAutoPtr.h
new file mode 100644
index 00000000..874b1e31
--- /dev/null
+++ b/src/libs/xpcom18a4/xpcom/base/nsAutoPtr.h
@@ -0,0 +1,1353 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Scott Collins <scc@mozilla.org> (original author of nsCOMPtr)
+ *   L. David Baron <dbaron@dbaron.org>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef nsAutoPtr_h___
+#define nsAutoPtr_h___
+
+  // Wrapping includes can speed up compiles (see "Large Scale C++ Software Design")
+#ifndef nsCOMPtr_h___
+  // For |already_AddRefed|, |nsDerivedSafe|, |NSCAP_Zero|,
+  // |NSCAP_DONT_PROVIDE_NONCONST_OPEQ|,
+  // |NSCAP_FEATURE_INLINE_STARTASSIGNMENT|
+#include "nsCOMPtr.h"
+#endif
+
+/*****************************************************************************/
+
+// template <class T> class nsAutoPtrGetterTransfers;
+
+template <class T>
+class nsAutoPtr
+  {
+    private:
+      void**
+      begin_assignment()
+        {
+          assign(0);
+          return NS_REINTERPRET_CAST(void**, &mRawPtr);
+        }
+
+      void
+      assign( T* newPtr )
+        {
+          T* oldPtr = mRawPtr;
+          mRawPtr = newPtr;
+          delete oldPtr;
+        }
+
+    private:
+      T* mRawPtr;
+
+    public:
+      typedef T element_type;
+      
+     ~nsAutoPtr()
+        {
+          delete mRawPtr;
+        }
+
+        // Constructors
+
+      nsAutoPtr()
+            : mRawPtr(0)
+          // default constructor
+        {
+        }
+
+      nsAutoPtr( T* aRawPtr )
+            : mRawPtr(aRawPtr)
+          // construct from a raw pointer (of the right type)
+        {
+        }
+
+      nsAutoPtr( nsAutoPtr<T>& aSmartPtr )
+            : mRawPtr( aSmartPtr.forget() )
+          // Construct by transferring ownership from another smart pointer.
+        {
+        }
+
+
+        // Assignment operators
+
+      nsAutoPtr<T>&
+      operator=( T* rhs )
+          // assign from a raw pointer (of the right type)
+        {
+          assign(rhs);
+          return *this;
+        }
+
+      nsAutoPtr<T>& operator=( nsAutoPtr<T>& rhs )
+          // assign by transferring ownership from another smart pointer.
+        {
+          assign(rhs.forget());
+          return *this;
+        }
+
+        // Other pointer operators
+
+      T*
+      get() const
+          /*
+            Prefer the implicit conversion provided automatically by
+            |operator T*() const|.  Use |get()| _only_ to resolve
+            ambiguity.
+          */
+        {
+          return mRawPtr;
+        }
+
+      operator T*() const
+          /*
+            ...makes an |nsAutoPtr| act like its underlying raw pointer
+            type  whenever it is used in a context where a raw pointer
+            is expected.  It is this operator that makes an |nsAutoPtr|
+            substitutable for a raw pointer.
+
+            Prefer the implicit use of this operator to calling |get()|,
+            except where necessary to resolve ambiguity.
+          */
+        {
+          return get();
+        }
+
+      T*
+      forget()
+        {
+          T* temp = mRawPtr;
+          mRawPtr = 0;
+          return temp;
+        }
+
+      T*
+      operator->() const
+        {
+          NS_PRECONDITION(mRawPtr != 0, "You can't dereference a NULL nsAutoPtr with operator->().");
+          return get();
+        }
+
+#ifdef CANT_RESOLVE_CPP_CONST_AMBIGUITY
+  // broken version for IRIX
+
+      nsAutoPtr<T>*
+      get_address() const
+          // This is not intended to be used by clients.  See |address_of|
+          // below.
+        {
+          return NS_CONST_CAST(nsAutoPtr<T>*, this);
+        }
+
+#else // CANT_RESOLVE_CPP_CONST_AMBIGUITY
+
+      nsAutoPtr<T>*
+      get_address()
+          // This is not intended to be used by clients.  See |address_of|
+          // below.
+        {
+          return this;
+        }
+
+      const nsAutoPtr<T>*
+      get_address() const
+          // This is not intended to be used by clients.  See |address_of|
+          // below.
+        {
+          return this;
+        }
+
+#endif // CANT_RESOLVE_CPP_CONST_AMBIGUITY
+
+    public:
+      T&
+      operator*() const
+        {
+          NS_PRECONDITION(mRawPtr != 0, "You can't dereference a NULL nsAutoPtr with operator*().");
+          return *get();
+        }
+
+      T**
+      StartAssignment()
+        {
+#ifndef NSCAP_FEATURE_INLINE_STARTASSIGNMENT
+          return NS_REINTERPRET_CAST(T**, begin_assignment());
+#else
+          assign(0);
+          return NS_REINTERPRET_CAST(T**, &mRawPtr);
+#endif
+        }
+  };
+
+#ifdef CANT_RESOLVE_CPP_CONST_AMBIGUITY
+
+// This is the broken version for IRIX, which can't handle the version below.
+
+template <class T>
+inline
+nsAutoPtr<T>*
+address_of( const nsAutoPtr<T>& aPtr )
+  {
+    return aPtr.get_address();
+  }
+
+#else // CANT_RESOLVE_CPP_CONST_AMBIGUITY
+
+template <class T>
+inline
+nsAutoPtr<T>*
+address_of( nsAutoPtr<T>& aPtr )
+  {
+    return aPtr.get_address();
+  }
+
+template <class T>
+inline
+const nsAutoPtr<T>*
+address_of( const nsAutoPtr<T>& aPtr )
+  {
+    return aPtr.get_address();
+  }
+
+#endif // CANT_RESOLVE_CPP_CONST_AMBIGUITY
+
+template <class T>
+class nsAutoPtrGetterTransfers
+    /*
+      ...
+
+      This class is designed to be used for anonymous temporary objects in the
+      argument list of calls that return COM interface pointers, e.g.,
+
+        nsAutoPtr<IFoo> fooP;
+        ...->GetTransferedPointer(getter_Transfers(fooP))
+
+      DO NOT USE THIS TYPE DIRECTLY IN YOUR CODE.  Use |getter_Transfers()| instead.
+
+      When initialized with a |nsAutoPtr|, as in the example above, it returns
+      a |void**|, a |T**|, or an |nsISupports**| as needed, that the
+      outer call (|GetTransferedPointer| in this case) can fill in.
+
+      This type should be a nested class inside |nsAutoPtr<T>|.
+    */
+  {
+    public:
+      explicit
+      nsAutoPtrGetterTransfers( nsAutoPtr<T>& aSmartPtr )
+          : mTargetSmartPtr(aSmartPtr)
+        {
+          // nothing else to do
+        }
+
+      operator void**()
+        {
+          return NS_REINTERPRET_CAST(void**, mTargetSmartPtr.StartAssignment());
+        }
+
+      operator T**()
+        {
+          return mTargetSmartPtr.StartAssignment();
+        }
+
+      T*&
+      operator*()
+        {
+          return *(mTargetSmartPtr.StartAssignment());
+        }
+
+    private:
+      nsAutoPtr<T>& mTargetSmartPtr;
+  };
+
+template <class T>
+inline
+nsAutoPtrGetterTransfers<T>
+getter_Transfers( nsAutoPtr<T>& aSmartPtr )
+    /*
+      Used around a |nsAutoPtr| when 
+      ...makes the class |nsAutoPtrGetterTransfers<T>| invisible.
+    */
+  {
+    return nsAutoPtrGetterTransfers<T>(aSmartPtr);
+  }
+
+
+
+  // Comparing two |nsAutoPtr|s
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator==( const nsAutoPtr<T>& lhs, const nsAutoPtr<U>& rhs )
+  {
+    return NS_STATIC_CAST(const T*, lhs.get()) == NS_STATIC_CAST(const U*, rhs.get());
+  }
+
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator!=( const nsAutoPtr<T>& lhs, const nsAutoPtr<U>& rhs )
+  {
+    return NS_STATIC_CAST(const T*, lhs.get()) != NS_STATIC_CAST(const U*, rhs.get());
+  }
+
+
+  // Comparing an |nsAutoPtr| to a raw pointer
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator==( const nsAutoPtr<T>& lhs, const U* rhs )
+  {
+    return NS_STATIC_CAST(const T*, lhs.get()) == NS_STATIC_CAST(const U*, rhs);
+  }
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator==( const U* lhs, const nsAutoPtr<T>& rhs )
+  {
+    return NS_STATIC_CAST(const U*, lhs) == NS_STATIC_CAST(const T*, rhs.get());
+  }
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator!=( const nsAutoPtr<T>& lhs, const U* rhs )
+  {
+    return NS_STATIC_CAST(const T*, lhs.get()) != NS_STATIC_CAST(const U*, rhs);
+  }
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator!=( const U* lhs, const nsAutoPtr<T>& rhs )
+  {
+    return NS_STATIC_CAST(const U*, lhs) != NS_STATIC_CAST(const T*, rhs.get());
+  }
+
+  // To avoid ambiguities caused by the presence of builtin |operator==|s
+  // creating a situation where one of the |operator==| defined above
+  // has a better conversion for one argument and the builtin has a
+  // better conversion for the other argument, define additional
+  // |operator==| without the |const| on the raw pointer.
+  // See bug 65664 for details.
+
+#ifndef NSCAP_DONT_PROVIDE_NONCONST_OPEQ
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator==( const nsAutoPtr<T>& lhs, U* rhs )
+  {
+    return NS_STATIC_CAST(const T*, lhs.get()) == NS_CONST_CAST(const U*, rhs);
+  }
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator==( U* lhs, const nsAutoPtr<T>& rhs )
+  {
+    return NS_CONST_CAST(const U*, lhs) == NS_STATIC_CAST(const T*, rhs.get());
+  }
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator!=( const nsAutoPtr<T>& lhs, U* rhs )
+  {
+    return NS_STATIC_CAST(const T*, lhs.get()) != NS_CONST_CAST(const U*, rhs);
+  }
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator!=( U* lhs, const nsAutoPtr<T>& rhs )
+  {
+    return NS_CONST_CAST(const U*, lhs) != NS_STATIC_CAST(const T*, rhs.get());
+  }
+#endif
+
+
+
+  // Comparing an |nsAutoPtr| to |0|
+
+template <class T>
+inline
+NSCAP_BOOL
+operator==( const nsAutoPtr<T>& lhs, NSCAP_Zero* rhs )
+    // specifically to allow |smartPtr == 0|
+  {
+    return NS_STATIC_CAST(const void*, lhs.get()) == NS_REINTERPRET_CAST(const void*, rhs);
+  }
+
+template <class T>
+inline
+NSCAP_BOOL
+operator==( NSCAP_Zero* lhs, const nsAutoPtr<T>& rhs )
+    // specifically to allow |0 == smartPtr|
+  {
+    return NS_REINTERPRET_CAST(const void*, lhs) == NS_STATIC_CAST(const void*, rhs.get());
+  }
+
+template <class T>
+inline
+NSCAP_BOOL
+operator!=( const nsAutoPtr<T>& lhs, NSCAP_Zero* rhs )
+    // specifically to allow |smartPtr != 0|
+  {
+    return NS_STATIC_CAST(const void*, lhs.get()) != NS_REINTERPRET_CAST(const void*, rhs);
+  }
+
+template <class T>
+inline
+NSCAP_BOOL
+operator!=( NSCAP_Zero* lhs, const nsAutoPtr<T>& rhs )
+    // specifically to allow |0 != smartPtr|
+  {
+    return NS_REINTERPRET_CAST(const void*, lhs) != NS_STATIC_CAST(const void*, rhs.get());
+  }
+
+
+#ifdef HAVE_CPP_TROUBLE_COMPARING_TO_ZERO
+
+  // We need to explicitly define comparison operators for `int'
+  // because the compiler is lame.
+
+template <class T>
+inline
+NSCAP_BOOL
+operator==( const nsAutoPtr<T>& lhs, int rhs )
+    // specifically to allow |smartPtr == 0|
+  {
+    return NS_STATIC_CAST(const void*, lhs.get()) == NS_REINTERPRET_CAST(const void*, rhs);
+  }
+
+template <class T>
+inline
+NSCAP_BOOL
+operator==( int lhs, const nsAutoPtr<T>& rhs )
+    // specifically to allow |0 == smartPtr|
+  {
+    return NS_REINTERPRET_CAST(const void*, lhs) == NS_STATIC_CAST(const void*, rhs.get());
+  }
+
+#endif // !defined(HAVE_CPP_TROUBLE_COMPARING_TO_ZERO)
+
+/*****************************************************************************/
+
+// template <class T> class nsAutoArrayPtrGetterTransfers;
+
+template <class T>
+class nsAutoArrayPtr
+  {
+    private:
+      void**
+      begin_assignment()
+        {
+          assign(0);
+          return NS_REINTERPRET_CAST(void**, &mRawPtr);
+        }
+
+      void
+      assign( T* newPtr )
+        {
+          T* oldPtr = mRawPtr;
+          mRawPtr = newPtr;
+          delete [] oldPtr;
+        }
+
+    private:
+      T* mRawPtr;
+
+    public:
+      typedef T element_type;
+      
+     ~nsAutoArrayPtr()
+        {
+          delete [] mRawPtr;
+        }
+
+        // Constructors
+
+      nsAutoArrayPtr()
+            : mRawPtr(0)
+          // default constructor
+        {
+        }
+
+      nsAutoArrayPtr( T* aRawPtr )
+            : mRawPtr(aRawPtr)
+          // construct from a raw pointer (of the right type)
+        {
+        }
+
+      nsAutoArrayPtr( nsAutoArrayPtr<T>& aSmartPtr )
+            : mRawPtr( aSmartPtr.forget() )
+          // Construct by transferring ownership from another smart pointer.
+        {
+        }
+
+
+        // Assignment operators
+
+      nsAutoArrayPtr<T>&
+      operator=( T* rhs )
+          // assign from a raw pointer (of the right type)
+        {
+          assign(rhs);
+          return *this;
+        }
+
+      nsAutoArrayPtr<T>& operator=( nsAutoArrayPtr<T>& rhs )
+          // assign by transferring ownership from another smart pointer.
+        {
+          assign(rhs.forget());
+          return *this;
+        }
+
+        // Other pointer operators
+
+      T*
+      get() const
+          /*
+            Prefer the implicit conversion provided automatically by
+            |operator T*() const|.  Use |get()| _only_ to resolve
+            ambiguity.
+          */
+        {
+          return mRawPtr;
+        }
+
+      operator T*() const
+          /*
+            ...makes an |nsAutoArrayPtr| act like its underlying raw pointer
+            type  whenever it is used in a context where a raw pointer
+            is expected.  It is this operator that makes an |nsAutoArrayPtr|
+            substitutable for a raw pointer.
+
+            Prefer the implicit use of this operator to calling |get()|,
+            except where necessary to resolve ambiguity.
+          */
+        {
+          return get();
+        }
+
+      T*
+      forget()
+        {
+          T* temp = mRawPtr;
+          mRawPtr = 0;
+          return temp;
+        }
+
+      T*
+      operator->() const
+        {
+          NS_PRECONDITION(mRawPtr != 0, "You can't dereference a NULL nsAutoArrayPtr with operator->().");
+          return get();
+        }
+
+#ifdef CANT_RESOLVE_CPP_CONST_AMBIGUITY
+  // broken version for IRIX
+
+      nsAutoArrayPtr<T>*
+      get_address() const
+          // This is not intended to be used by clients.  See |address_of|
+          // below.
+        {
+          return NS_CONST_CAST(nsAutoArrayPtr<T>*, this);
+        }
+
+#else // CANT_RESOLVE_CPP_CONST_AMBIGUITY
+
+      nsAutoArrayPtr<T>*
+      get_address()
+          // This is not intended to be used by clients.  See |address_of|
+          // below.
+        {
+          return this;
+        }
+
+      const nsAutoArrayPtr<T>*
+      get_address() const
+          // This is not intended to be used by clients.  See |address_of|
+          // below.
+        {
+          return this;
+        }
+
+#endif // CANT_RESOLVE_CPP_CONST_AMBIGUITY
+
+    public:
+      T&
+      operator*() const
+        {
+          NS_PRECONDITION(mRawPtr != 0, "You can't dereference a NULL nsAutoArrayPtr with operator*().");
+          return *get();
+        }
+
+      T**
+      StartAssignment()
+        {
+#ifndef NSCAP_FEATURE_INLINE_STARTASSIGNMENT
+          return NS_REINTERPRET_CAST(T**, begin_assignment());
+#else
+          assign(0);
+          return NS_REINTERPRET_CAST(T**, &mRawPtr);
+#endif
+        }
+  };
+
+#ifdef CANT_RESOLVE_CPP_CONST_AMBIGUITY
+
+// This is the broken version for IRIX, which can't handle the version below.
+
+template <class T>
+inline
+nsAutoArrayPtr<T>*
+address_of( const nsAutoArrayPtr<T>& aPtr )
+  {
+    return aPtr.get_address();
+  }
+
+#else // CANT_RESOLVE_CPP_CONST_AMBIGUITY
+
+template <class T>
+inline
+nsAutoArrayPtr<T>*
+address_of( nsAutoArrayPtr<T>& aPtr )
+  {
+    return aPtr.get_address();
+  }
+
+template <class T>
+inline
+const nsAutoArrayPtr<T>*
+address_of( const nsAutoArrayPtr<T>& aPtr )
+  {
+    return aPtr.get_address();
+  }
+
+#endif // CANT_RESOLVE_CPP_CONST_AMBIGUITY
+
+template <class T>
+class nsAutoArrayPtrGetterTransfers
+    /*
+      ...
+
+      This class is designed to be used for anonymous temporary objects in the
+      argument list of calls that return COM interface pointers, e.g.,
+
+        nsAutoArrayPtr<IFoo> fooP;
+        ...->GetTransferedPointer(getter_Transfers(fooP))
+
+      DO NOT USE THIS TYPE DIRECTLY IN YOUR CODE.  Use |getter_Transfers()| instead.
+
+      When initialized with a |nsAutoArrayPtr|, as in the example above, it returns
+      a |void**|, a |T**|, or an |nsISupports**| as needed, that the
+      outer call (|GetTransferedPointer| in this case) can fill in.
+
+      This type should be a nested class inside |nsAutoArrayPtr<T>|.
+    */
+  {
+    public:
+      explicit
+      nsAutoArrayPtrGetterTransfers( nsAutoArrayPtr<T>& aSmartPtr )
+          : mTargetSmartPtr(aSmartPtr)
+        {
+          // nothing else to do
+        }
+
+      operator void**()
+        {
+          return NS_REINTERPRET_CAST(void**, mTargetSmartPtr.StartAssignment());
+        }
+
+      operator T**()
+        {
+          return mTargetSmartPtr.StartAssignment();
+        }
+
+      T*&
+      operator*()
+        {
+          return *(mTargetSmartPtr.StartAssignment());
+        }
+
+    private:
+      nsAutoArrayPtr<T>& mTargetSmartPtr;
+  };
+
+template <class T>
+inline
+nsAutoArrayPtrGetterTransfers<T>
+getter_Transfers( nsAutoArrayPtr<T>& aSmartPtr )
+    /*
+      Used around a |nsAutoArrayPtr| when 
+      ...makes the class |nsAutoArrayPtrGetterTransfers<T>| invisible.
+    */
+  {
+    return nsAutoArrayPtrGetterTransfers<T>(aSmartPtr);
+  }
+
+
+
+  // Comparing two |nsAutoArrayPtr|s
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator==( const nsAutoArrayPtr<T>& lhs, const nsAutoArrayPtr<U>& rhs )
+  {
+    return NS_STATIC_CAST(const T*, lhs.get()) == NS_STATIC_CAST(const U*, rhs.get());
+  }
+
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator!=( const nsAutoArrayPtr<T>& lhs, const nsAutoArrayPtr<U>& rhs )
+  {
+    return NS_STATIC_CAST(const T*, lhs.get()) != NS_STATIC_CAST(const U*, rhs.get());
+  }
+
+
+  // Comparing an |nsAutoArrayPtr| to a raw pointer
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator==( const nsAutoArrayPtr<T>& lhs, const U* rhs )
+  {
+    return NS_STATIC_CAST(const T*, lhs.get()) == NS_STATIC_CAST(const U*, rhs);
+  }
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator==( const U* lhs, const nsAutoArrayPtr<T>& rhs )
+  {
+    return NS_STATIC_CAST(const U*, lhs) == NS_STATIC_CAST(const T*, rhs.get());
+  }
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator!=( const nsAutoArrayPtr<T>& lhs, const U* rhs )
+  {
+    return NS_STATIC_CAST(const T*, lhs.get()) != NS_STATIC_CAST(const U*, rhs);
+  }
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator!=( const U* lhs, const nsAutoArrayPtr<T>& rhs )
+  {
+    return NS_STATIC_CAST(const U*, lhs) != NS_STATIC_CAST(const T*, rhs.get());
+  }
+
+  // To avoid ambiguities caused by the presence of builtin |operator==|s
+  // creating a situation where one of the |operator==| defined above
+  // has a better conversion for one argument and the builtin has a
+  // better conversion for the other argument, define additional
+  // |operator==| without the |const| on the raw pointer.
+  // See bug 65664 for details.
+
+#ifndef NSCAP_DONT_PROVIDE_NONCONST_OPEQ
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator==( const nsAutoArrayPtr<T>& lhs, U* rhs )
+  {
+    return NS_STATIC_CAST(const T*, lhs.get()) == NS_CONST_CAST(const U*, rhs);
+  }
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator==( U* lhs, const nsAutoArrayPtr<T>& rhs )
+  {
+    return NS_CONST_CAST(const U*, lhs) == NS_STATIC_CAST(const T*, rhs.get());
+  }
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator!=( const nsAutoArrayPtr<T>& lhs, U* rhs )
+  {
+    return NS_STATIC_CAST(const T*, lhs.get()) != NS_CONST_CAST(const U*, rhs);
+  }
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator!=( U* lhs, const nsAutoArrayPtr<T>& rhs )
+  {
+    return NS_CONST_CAST(const U*, lhs) != NS_STATIC_CAST(const T*, rhs.get());
+  }
+#endif
+
+
+
+  // Comparing an |nsAutoArrayPtr| to |0|
+
+template <class T>
+inline
+NSCAP_BOOL
+operator==( const nsAutoArrayPtr<T>& lhs, NSCAP_Zero* rhs )
+    // specifically to allow |smartPtr == 0|
+  {
+    return NS_STATIC_CAST(const void*, lhs.get()) == NS_REINTERPRET_CAST(const void*, rhs);
+  }
+
+template <class T>
+inline
+NSCAP_BOOL
+operator==( NSCAP_Zero* lhs, const nsAutoArrayPtr<T>& rhs )
+    // specifically to allow |0 == smartPtr|
+  {
+    return NS_REINTERPRET_CAST(const void*, lhs) == NS_STATIC_CAST(const void*, rhs.get());
+  }
+
+template <class T>
+inline
+NSCAP_BOOL
+operator!=( const nsAutoArrayPtr<T>& lhs, NSCAP_Zero* rhs )
+    // specifically to allow |smartPtr != 0|
+  {
+    return NS_STATIC_CAST(const void*, lhs.get()) != NS_REINTERPRET_CAST(const void*, rhs);
+  }
+
+template <class T>
+inline
+NSCAP_BOOL
+operator!=( NSCAP_Zero* lhs, const nsAutoArrayPtr<T>& rhs )
+    // specifically to allow |0 != smartPtr|
+  {
+    return NS_REINTERPRET_CAST(const void*, lhs) != NS_STATIC_CAST(const void*, rhs.get());
+  }
+
+
+#ifdef HAVE_CPP_TROUBLE_COMPARING_TO_ZERO
+
+  // We need to explicitly define comparison operators for `int'
+  // because the compiler is lame.
+
+template <class T>
+inline
+NSCAP_BOOL
+operator==( const nsAutoArrayPtr<T>& lhs, int rhs )
+    // specifically to allow |smartPtr == 0|
+  {
+    return NS_STATIC_CAST(const void*, lhs.get()) == NS_REINTERPRET_CAST(const void*, rhs);
+  }
+
+template <class T>
+inline
+NSCAP_BOOL
+operator==( int lhs, const nsAutoArrayPtr<T>& rhs )
+    // specifically to allow |0 == smartPtr|
+  {
+    return NS_REINTERPRET_CAST(const void*, lhs) == NS_STATIC_CAST(const void*, rhs.get());
+  }
+
+#endif // !defined(HAVE_CPP_TROUBLE_COMPARING_TO_ZERO)
+
+
+/*****************************************************************************/
+
+// template <class T> class nsRefPtrGetterAddRefs;
+
+template <class T>
+class nsRefPtr
+  {
+    private:
+
+      void
+      assign_with_AddRef( T* rawPtr )
+        {
+          if ( rawPtr )
+            rawPtr->AddRef();
+          assign_assuming_AddRef(rawPtr);
+        }
+
+      void**
+      begin_assignment()
+        {
+          assign_assuming_AddRef(0);
+          return NS_REINTERPRET_CAST(void**, &mRawPtr);
+        }
+
+      void
+      assign_assuming_AddRef( T* newPtr )
+        {
+          T* oldPtr = mRawPtr;
+          mRawPtr = newPtr;
+          if ( oldPtr )
+            oldPtr->Release();
+        }
+
+    private:
+      T* mRawPtr;
+
+    public:
+      typedef T element_type;
+      
+     ~nsRefPtr()
+        {
+          if ( mRawPtr )
+            mRawPtr->Release();
+        }
+
+        // Constructors
+
+      nsRefPtr()
+            : mRawPtr(0)
+          // default constructor
+        {
+        }
+
+      nsRefPtr( const nsRefPtr<T>& aSmartPtr )
+            : mRawPtr(aSmartPtr.mRawPtr)
+          // copy-constructor
+        {
+          if ( mRawPtr )
+            mRawPtr->AddRef();
+        }
+
+      nsRefPtr( T* aRawPtr )
+            : mRawPtr(aRawPtr)
+          // construct from a raw pointer (of the right type)
+        {
+          if ( mRawPtr )
+            mRawPtr->AddRef();
+        }
+
+      nsRefPtr( const already_AddRefed<T>& aSmartPtr )
+            : mRawPtr(aSmartPtr.mRawPtr)
+          // construct from |dont_AddRef(expr)|
+        {
+        }
+
+        // Assignment operators
+
+      nsRefPtr<T>&
+      operator=( const nsRefPtr<T>& rhs )
+          // copy assignment operator
+        {
+          assign_with_AddRef(rhs.mRawPtr);
+          return *this;
+        }
+
+      nsRefPtr<T>&
+      operator=( T* rhs )
+          // assign from a raw pointer (of the right type)
+        {
+          assign_with_AddRef(rhs);
+          return *this;
+        }
+
+      nsRefPtr<T>&
+      operator=( const already_AddRefed<T>& rhs )
+          // assign from |dont_AddRef(expr)|
+        {
+          assign_assuming_AddRef(rhs.mRawPtr);
+          return *this;
+        }
+
+        // Other pointer operators
+
+      void
+      swap( nsRefPtr<T>& rhs )
+          // ...exchange ownership with |rhs|; can save a pair of refcount operations
+        {
+          T* temp = rhs.mRawPtr;
+          rhs.mRawPtr = mRawPtr;
+          mRawPtr = temp;
+        }
+
+      void
+      swap( T*& rhs )
+          // ...exchange ownership with |rhs|; can save a pair of refcount operations
+        {
+          T* temp = rhs;
+          rhs = mRawPtr;
+          mRawPtr = temp;
+        }
+
+      nsDerivedSafe<T>*
+      get() const
+          /*
+            Prefer the implicit conversion provided automatically by |operator nsDerivedSafe<T>*() const|.
+             Use |get()| _only_ to resolve ambiguity.
+
+            Returns a |nsDerivedSafe<T>*| to deny clients the use of |AddRef| and |Release|.
+          */
+        {
+          return NS_CONST_CAST(nsDerivedSafe<T>*,
+                        NS_REINTERPRET_CAST(const nsDerivedSafe<T>*, mRawPtr));
+        }
+
+      operator nsDerivedSafe<T>*() const
+          /*
+            ...makes an |nsRefPtr| act like its underlying raw pointer type (except against |AddRef()|, |Release()|,
+              and |delete|) whenever it is used in a context where a raw pointer is expected.  It is this operator
+              that makes an |nsRefPtr| substitutable for a raw pointer.
+
+            Prefer the implicit use of this operator to calling |get()|, except where necessary to resolve ambiguity.
+          */
+        {
+          return get();
+        }
+
+      nsDerivedSafe<T>*
+      operator->() const
+        {
+          NS_PRECONDITION(mRawPtr != 0, "You can't dereference a NULL nsRefPtr with operator->().");
+          return get();
+        }
+
+#ifdef CANT_RESOLVE_CPP_CONST_AMBIGUITY
+  // broken version for IRIX
+
+      nsRefPtr<T>*
+      get_address() const
+          // This is not intended to be used by clients.  See |address_of|
+          // below.
+        {
+          return NS_CONST_CAST(nsRefPtr<T>*, this);
+        }
+
+#else // CANT_RESOLVE_CPP_CONST_AMBIGUITY
+
+      nsRefPtr<T>*
+      get_address()
+          // This is not intended to be used by clients.  See |address_of|
+          // below.
+        {
+          return this;
+        }
+
+      const nsRefPtr<T>*
+      get_address() const
+          // This is not intended to be used by clients.  See |address_of|
+          // below.
+        {
+          return this;
+        }
+
+#endif // CANT_RESOLVE_CPP_CONST_AMBIGUITY
+
+    public:
+      nsDerivedSafe<T>&
+      operator*() const
+        {
+          NS_PRECONDITION(mRawPtr != 0, "You can't dereference a NULL nsRefPtr with operator*().");
+          return *get();
+        }
+
+      T**
+      StartAssignment()
+        {
+#ifndef NSCAP_FEATURE_INLINE_STARTASSIGNMENT
+          return NS_REINTERPRET_CAST(T**, begin_assignment());
+#else
+          assign_assuming_AddRef(0);
+          return NS_REINTERPRET_CAST(T**, &mRawPtr);
+#endif
+        }
+  };
+
+#ifdef CANT_RESOLVE_CPP_CONST_AMBIGUITY
+
+// This is the broken version for IRIX, which can't handle the version below.
+
+template <class T>
+inline
+nsRefPtr<T>*
+address_of( const nsRefPtr<T>& aPtr )
+  {
+    return aPtr.get_address();
+  }
+
+#else // CANT_RESOLVE_CPP_CONST_AMBIGUITY
+
+template <class T>
+inline
+nsRefPtr<T>*
+address_of( nsRefPtr<T>& aPtr )
+  {
+    return aPtr.get_address();
+  }
+
+template <class T>
+inline
+const nsRefPtr<T>*
+address_of( const nsRefPtr<T>& aPtr )
+  {
+    return aPtr.get_address();
+  }
+
+#endif // CANT_RESOLVE_CPP_CONST_AMBIGUITY
+
+template <class T>
+class nsRefPtrGetterAddRefs
+    /*
+      ...
+
+      This class is designed to be used for anonymous temporary objects in the
+      argument list of calls that return COM interface pointers, e.g.,
+
+        nsRefPtr<IFoo> fooP;
+        ...->GetAddRefedPointer(getter_AddRefs(fooP))
+
+      DO NOT USE THIS TYPE DIRECTLY IN YOUR CODE.  Use |getter_AddRefs()| instead.
+
+      When initialized with a |nsRefPtr|, as in the example above, it returns
+      a |void**|, a |T**|, or an |nsISupports**| as needed, that the
+      outer call (|GetAddRefedPointer| in this case) can fill in.
+
+      This type should be a nested class inside |nsRefPtr<T>|.
+    */
+  {
+    public:
+      explicit
+      nsRefPtrGetterAddRefs( nsRefPtr<T>& aSmartPtr )
+          : mTargetSmartPtr(aSmartPtr)
+        {
+          // nothing else to do
+        }
+
+      operator void**()
+        {
+          return NS_REINTERPRET_CAST(void**, mTargetSmartPtr.StartAssignment());
+        }
+
+      operator T**()
+        {
+          return mTargetSmartPtr.StartAssignment();
+        }
+
+      T*&
+      operator*()
+        {
+          return *(mTargetSmartPtr.StartAssignment());
+        }
+
+    private:
+      nsRefPtr<T>& mTargetSmartPtr;
+  };
+
+template <class T>
+inline
+nsRefPtrGetterAddRefs<T>
+getter_AddRefs( nsRefPtr<T>& aSmartPtr )
+    /*
+      Used around a |nsRefPtr| when 
+      ...makes the class |nsRefPtrGetterAddRefs<T>| invisible.
+    */
+  {
+    return nsRefPtrGetterAddRefs<T>(aSmartPtr);
+  }
+
+
+
+  // Comparing two |nsRefPtr|s
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator==( const nsRefPtr<T>& lhs, const nsRefPtr<U>& rhs )
+  {
+    return NS_STATIC_CAST(const T*, lhs.get()) == NS_STATIC_CAST(const U*, rhs.get());
+  }
+
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator!=( const nsRefPtr<T>& lhs, const nsRefPtr<U>& rhs )
+  {
+    return NS_STATIC_CAST(const T*, lhs.get()) != NS_STATIC_CAST(const U*, rhs.get());
+  }
+
+
+  // Comparing an |nsRefPtr| to a raw pointer
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator==( const nsRefPtr<T>& lhs, const U* rhs )
+  {
+    return NS_STATIC_CAST(const T*, lhs.get()) == NS_STATIC_CAST(const U*, rhs);
+  }
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator==( const U* lhs, const nsRefPtr<T>& rhs )
+  {
+    return NS_STATIC_CAST(const U*, lhs) == NS_STATIC_CAST(const T*, rhs.get());
+  }
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator!=( const nsRefPtr<T>& lhs, const U* rhs )
+  {
+    return NS_STATIC_CAST(const T*, lhs.get()) != NS_STATIC_CAST(const U*, rhs);
+  }
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator!=( const U* lhs, const nsRefPtr<T>& rhs )
+  {
+    return NS_STATIC_CAST(const U*, lhs) != NS_STATIC_CAST(const T*, rhs.get());
+  }
+
+  // To avoid ambiguities caused by the presence of builtin |operator==|s
+  // creating a situation where one of the |operator==| defined above
+  // has a better conversion for one argument and the builtin has a
+  // better conversion for the other argument, define additional
+  // |operator==| without the |const| on the raw pointer.
+  // See bug 65664 for details.
+
+#ifndef NSCAP_DONT_PROVIDE_NONCONST_OPEQ
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator==( const nsRefPtr<T>& lhs, U* rhs )
+  {
+    return NS_STATIC_CAST(const T*, lhs.get()) == NS_CONST_CAST(const U*, rhs);
+  }
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator==( U* lhs, const nsRefPtr<T>& rhs )
+  {
+    return NS_CONST_CAST(const U*, lhs) == NS_STATIC_CAST(const T*, rhs.get());
+  }
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator!=( const nsRefPtr<T>& lhs, U* rhs )
+  {
+    return NS_STATIC_CAST(const T*, lhs.get()) != NS_CONST_CAST(const U*, rhs);
+  }
+
+template <class T, class U>
+inline
+NSCAP_BOOL
+operator!=( U* lhs, const nsRefPtr<T>& rhs )
+  {
+    return NS_CONST_CAST(const U*, lhs) != NS_STATIC_CAST(const T*, rhs.get());
+  }
+#endif
+
+
+
+  // Comparing an |nsRefPtr| to |0|
+
+template <class T>
+inline
+NSCAP_BOOL
+operator==( const nsRefPtr<T>& lhs, NSCAP_Zero* rhs )
+    // specifically to allow |smartPtr == 0|
+  {
+    return NS_STATIC_CAST(const void*, lhs.get()) == NS_REINTERPRET_CAST(const void*, rhs);
+  }
+
+template <class T>
+inline
+NSCAP_BOOL
+operator==( NSCAP_Zero* lhs, const nsRefPtr<T>& rhs )
+    // specifically to allow |0 == smartPtr|
+  {
+    return NS_REINTERPRET_CAST(const void*, lhs) == NS_STATIC_CAST(const void*, rhs.get());
+  }
+
+template <class T>
+inline
+NSCAP_BOOL
+operator!=( const nsRefPtr<T>& lhs, NSCAP_Zero* rhs )
+    // specifically to allow |smartPtr != 0|
+  {
+    return NS_STATIC_CAST(const void*, lhs.get()) != NS_REINTERPRET_CAST(const void*, rhs);
+  }
+
+template <class T>
+inline
+NSCAP_BOOL
+operator!=( NSCAP_Zero* lhs, const nsRefPtr<T>& rhs )
+    // specifically to allow |0 != smartPtr|
+  {
+    return NS_REINTERPRET_CAST(const void*, lhs) != NS_STATIC_CAST(const void*, rhs.get());
+  }
+
+
+#ifdef HAVE_CPP_TROUBLE_COMPARING_TO_ZERO
+
+  // We need to explicitly define comparison operators for `int'
+  // because the compiler is lame.
+
+template <class T>
+inline
+NSCAP_BOOL
+operator==( const nsRefPtr<T>& lhs, int rhs )
+    // specifically to allow |smartPtr == 0|
+  {
+    return NS_STATIC_CAST(const void*, lhs.get()) == NS_REINTERPRET_CAST(const void*, rhs);
+  }
+
+template <class T>
+inline
+NSCAP_BOOL
+operator==( int lhs, const nsRefPtr<T>& rhs )
+    // specifically to allow |0 == smartPtr|
+  {
+    return NS_REINTERPRET_CAST(const void*, lhs) == NS_STATIC_CAST(const void*, rhs.get());
+  }
+
+#endif // !defined(HAVE_CPP_TROUBLE_COMPARING_TO_ZERO)
+
+/*****************************************************************************/
+
+#endif // !defined(nsAutoPtr_h___)
-- 
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