зеркало из https://github.com/mozilla/gecko-dev.git
Filled out the smart pointer implementation. Changed some comments.
This commit is contained in:
scc%netscape.com
Родитель
e0d60183af
Коммит
c977f73add
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@ -17,15 +17,15 @@
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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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* Original Author:
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* Scott Collins <scc@mozilla.org>
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*
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* Contributor(s):
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* Scott Collins <scc@netscape.com>
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*/
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#ifndef _nsSharedString_h__
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#define _nsSharedString_h__
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// WORK IN PROGRESS
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#include "nsAReadableString.h"
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template <class CharT>
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@ -106,15 +106,57 @@ basic_nsSharedString<CharT>::GetReadableFragment( nsReadableFragment<CharT>& aFr
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template <class CharT>
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class nsSharedStringPtr
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class basic_nsSharedStringPtr
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{
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public:
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// ...
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basic_nsSharedStringPtr() : mRawPtr(0) { }
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basic_nsSharedStringPtr( const basic_nsSharedStringPtr<CharT>& rhs )
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: mRawPtr(rhs.mRawPtr)
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{
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mRawPtr->AddRef();
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}
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~basic_nsSharedStringPtr()
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{
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if ( mRawPtr )
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mRawPtr->Release();
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}
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basic_nsSharedStringPtr<CharT>&
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operator=( const basic_nsSharedStringPtr<CharT>& );
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basic_nsSharedString<CharT>*
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operator->() const
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{
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NS_PRECONDITION(mRawPtr != 0, "You can't dereference a NULL string pointer with operator->().");
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return mRawPtr;
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}
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basic_nsSharedString<CharT>&
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operator*() const
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{
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NS_PRECONDITION(mRawPtr != 0, "You can't dereference a NULL string pointer with operator->().");
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return *mRawPtr;
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}
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private:
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basic_nsSharedString<CharT>* mRawPtr;
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const basic_nsSharedString<CharT>* mRawPtr;
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};
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template <class CharT>
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basic_nsSharedStringPtr<CharT>&
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basic_nsSharedStringPtr<CharT>::operator=( const basic_nsSharedStringPtr<CharT>& rhs )
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// Not |inline|
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{
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if ( rhs.mRawPtr )
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rhs.mRawPtr->AddRef();
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basic_nsSharedString<CharT>* oldPtr = mRawPtr;
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mRawPtr = rhs.mRawPtr;
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if ( oldPtr )
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oldPtr->Release();
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}
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template <class CharT>
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basic_nsSharedString<CharT>*
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@ -140,5 +182,8 @@ new_nsSharedString( const basic_nsAReadableString<CharT>& aReadable )
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typedef basic_nsSharedString<PRUnichar> nsSharedString;
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typedef basic_nsSharedString<char> nsSharedCString;
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typedef basic_nsSharedStringPtr<PRUnichar> nsSharedStringPtr;
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typedef basic_nsSharedStringPtr<char> nsSharedCStringPtr;
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#endif // !defined(_nsSharedString_h__)
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@ -17,15 +17,15 @@
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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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* Original Author:
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* Scott Collins <scc@mozilla.org>
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*
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* Contributor(s):
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* Scott Collins <scc@netscape.com>
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*/
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#ifndef _nsSharedString_h__
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#define _nsSharedString_h__
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// WORK IN PROGRESS
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#include "nsAReadableString.h"
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template <class CharT>
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@ -106,15 +106,57 @@ basic_nsSharedString<CharT>::GetReadableFragment( nsReadableFragment<CharT>& aFr
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template <class CharT>
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class nsSharedStringPtr
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class basic_nsSharedStringPtr
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{
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public:
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// ...
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basic_nsSharedStringPtr() : mRawPtr(0) { }
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basic_nsSharedStringPtr( const basic_nsSharedStringPtr<CharT>& rhs )
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: mRawPtr(rhs.mRawPtr)
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{
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mRawPtr->AddRef();
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}
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~basic_nsSharedStringPtr()
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{
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if ( mRawPtr )
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mRawPtr->Release();
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}
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basic_nsSharedStringPtr<CharT>&
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operator=( const basic_nsSharedStringPtr<CharT>& );
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basic_nsSharedString<CharT>*
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operator->() const
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{
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NS_PRECONDITION(mRawPtr != 0, "You can't dereference a NULL string pointer with operator->().");
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return mRawPtr;
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}
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basic_nsSharedString<CharT>&
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operator*() const
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{
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NS_PRECONDITION(mRawPtr != 0, "You can't dereference a NULL string pointer with operator->().");
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return *mRawPtr;
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}
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private:
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basic_nsSharedString<CharT>* mRawPtr;
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const basic_nsSharedString<CharT>* mRawPtr;
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};
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template <class CharT>
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basic_nsSharedStringPtr<CharT>&
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basic_nsSharedStringPtr<CharT>::operator=( const basic_nsSharedStringPtr<CharT>& rhs )
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// Not |inline|
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{
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if ( rhs.mRawPtr )
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rhs.mRawPtr->AddRef();
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basic_nsSharedString<CharT>* oldPtr = mRawPtr;
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mRawPtr = rhs.mRawPtr;
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if ( oldPtr )
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oldPtr->Release();
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}
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template <class CharT>
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basic_nsSharedString<CharT>*
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@ -140,5 +182,8 @@ new_nsSharedString( const basic_nsAReadableString<CharT>& aReadable )
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typedef basic_nsSharedString<PRUnichar> nsSharedString;
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typedef basic_nsSharedString<char> nsSharedCString;
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typedef basic_nsSharedStringPtr<PRUnichar> nsSharedStringPtr;
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typedef basic_nsSharedStringPtr<char> nsSharedCStringPtr;
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#endif // !defined(_nsSharedString_h__)
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@ -17,15 +17,15 @@
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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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* Original Author:
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* Scott Collins <scc@mozilla.org>
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*
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* Contributor(s):
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* Scott Collins <scc@netscape.com>
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*/
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#ifndef _nsSharedString_h__
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#define _nsSharedString_h__
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// WORK IN PROGRESS
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#include "nsAReadableString.h"
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template <class CharT>
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@ -106,15 +106,57 @@ basic_nsSharedString<CharT>::GetReadableFragment( nsReadableFragment<CharT>& aFr
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template <class CharT>
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class nsSharedStringPtr
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class basic_nsSharedStringPtr
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{
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public:
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// ...
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basic_nsSharedStringPtr() : mRawPtr(0) { }
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basic_nsSharedStringPtr( const basic_nsSharedStringPtr<CharT>& rhs )
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: mRawPtr(rhs.mRawPtr)
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{
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mRawPtr->AddRef();
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}
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~basic_nsSharedStringPtr()
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{
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if ( mRawPtr )
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mRawPtr->Release();
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}
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basic_nsSharedStringPtr<CharT>&
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operator=( const basic_nsSharedStringPtr<CharT>& );
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basic_nsSharedString<CharT>*
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operator->() const
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{
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NS_PRECONDITION(mRawPtr != 0, "You can't dereference a NULL string pointer with operator->().");
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return mRawPtr;
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}
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basic_nsSharedString<CharT>&
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operator*() const
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{
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NS_PRECONDITION(mRawPtr != 0, "You can't dereference a NULL string pointer with operator->().");
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return *mRawPtr;
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}
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private:
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basic_nsSharedString<CharT>* mRawPtr;
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const basic_nsSharedString<CharT>* mRawPtr;
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};
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template <class CharT>
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basic_nsSharedStringPtr<CharT>&
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basic_nsSharedStringPtr<CharT>::operator=( const basic_nsSharedStringPtr<CharT>& rhs )
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// Not |inline|
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{
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if ( rhs.mRawPtr )
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rhs.mRawPtr->AddRef();
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basic_nsSharedString<CharT>* oldPtr = mRawPtr;
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mRawPtr = rhs.mRawPtr;
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if ( oldPtr )
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oldPtr->Release();
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}
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template <class CharT>
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basic_nsSharedString<CharT>*
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@ -140,5 +182,8 @@ new_nsSharedString( const basic_nsAReadableString<CharT>& aReadable )
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typedef basic_nsSharedString<PRUnichar> nsSharedString;
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typedef basic_nsSharedString<char> nsSharedCString;
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typedef basic_nsSharedStringPtr<PRUnichar> nsSharedStringPtr;
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typedef basic_nsSharedStringPtr<char> nsSharedCStringPtr;
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#endif // !defined(_nsSharedString_h__)
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