loplugin:useuniqueptr in tools/inetmsg.hxx

Change-Id: Ifdf0da7f59af1777f214cbafeb75b46136775f67
Reviewed-on: https://gerrit.libreoffice.org/43450
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

forms/source/component/DatabaseForm.cxx

@@ -938,10 +938,8 @@ void ODatabaseForm::Encode( OUString& rString )
 void ODatabaseForm::InsertTextPart( INetMIMEMessage& rParent, const OUString& rName,
     const OUString& rData )
 {
-
     // Create part as MessageChild
-    INetMIMEMessage* pChild = new INetMIMEMessage();
-
+    std::unique_ptr<INetMIMEMessage> pChild(new INetMIMEMessage);
 
     // Header
     //TODO: Encode rName into a properly formatted Content-Disposition header
@@ -965,7 +963,7 @@ void ODatabaseForm::InsertTextPart( INetMIMEMessage& rParent, const OUString& rN
     pStream->Flush();
     pStream->Seek( 0 );
     pChild->SetDocumentLB( new SvLockBytes(pStream, true) );
-    rParent.AttachChild( *pChild );
+    rParent.AttachChild( std::move(pChild) );
 }
 
 
@@ -1005,7 +1003,7 @@ bool ODatabaseForm::InsertFilePart( INetMIMEMessage& rParent, const OUString& rN
 
 
     // Create part as MessageChild
-    INetMIMEMessage* pChild = new INetMIMEMessage;
+    std::unique_ptr<INetMIMEMessage> pChild(new INetMIMEMessage);
 
 
     // Header
@@ -1025,7 +1023,7 @@ bool ODatabaseForm::InsertFilePart( INetMIMEMessage& rParent, const OUString& rN
 
     // Body
     pChild->SetDocumentLB( new SvLockBytes(pStream, true) );
-    rParent.AttachChild( *pChild );
+    rParent.AttachChild( std::move(pChild) );
 
     return true;
 }

include/tools/inetmsg.hxx

@@ -28,6 +28,7 @@
 
 #include <vector>
 #include <map>
+#include <memory>
 
 class DateTime;
 
@@ -72,14 +73,15 @@ enum class InetMessageMime
 
 class SAL_WARN_UNUSED TOOLS_DLLPUBLIC INetMIMEMessage
 {
-    ::std::vector< INetMessageHeader* >
+    ::std::vector< std::unique_ptr<INetMessageHeader> >
                     m_aHeaderList;
 
     SvLockBytesRef  m_xDocLB;
 
     ::std::map<InetMessageMime, sal_uIntPtr>  m_nMIMEIndex;
     INetMIMEMessage*                          pParent;
-    ::std::vector< INetMIMEMessage* >         aChildren;
+    ::std::vector< std::unique_ptr<INetMIMEMessage> >
+                                              aChildren;
     OString                 m_aBoundary;
 
     OUString GetHeaderValue_Impl (
@@ -99,12 +101,11 @@ class SAL_WARN_UNUSED TOOLS_DLLPUBLIC INetMIMEMessage
         if (m_aHeaderList.size() <= rnIndex)
         {
             rnIndex = m_aHeaderList.size();
-            m_aHeaderList.push_back( p );
+            m_aHeaderList.emplace_back( p );
         }
         else
         {
-            delete m_aHeaderList[ rnIndex ];
-            m_aHeaderList[ rnIndex ] = p;
+            m_aHeaderList[ rnIndex ].reset(p);
         }
     }
 
@@ -170,12 +171,12 @@ public:
 
     INetMIMEMessage* GetChild (sal_uIntPtr nIndex) const
     {
-        return ( nIndex < aChildren.size() ) ? aChildren[ nIndex ] : nullptr;
+        return ( nIndex < aChildren.size() ) ? aChildren[ nIndex ].get() : nullptr;
     }
     INetMIMEMessage* GetParent() const { return pParent; }
 
     void EnableAttachMultipartFormDataChild();
-    void AttachChild( INetMIMEMessage& rChildMsg );
+    void AttachChild( std::unique_ptr<INetMIMEMessage> pChildMsg );
 
     const OString& GetMultipartBoundary() const { return m_aBoundary; }
 };

tools/source/inet/inetmsg.cxx

@@ -218,12 +218,6 @@ INetMIMEMessage::INetMIMEMessage()
 
 INetMIMEMessage::~INetMIMEMessage()
 {
-    for (auto i: m_aHeaderList) {
-        delete i;
-    }
-    for (auto i: aChildren) {
-        delete i;
-    }
 }
 
 void INetMIMEMessage::SetMIMEVersion (const OUString& rVersion)
@@ -293,12 +287,13 @@ void INetMIMEMessage::EnableAttachMultipartFormDataChild()
     SetContentTransferEncoding("7bit");
 }
 
-void INetMIMEMessage::AttachChild(INetMIMEMessage& rChildMsg)
+void INetMIMEMessage::AttachChild(std::unique_ptr<INetMIMEMessage> pChildMsg)
 {
+    assert(IsContainer());
     if (IsContainer())
     {
-        rChildMsg.pParent = this;
-        aChildren.push_back( &rChildMsg );
+        pChildMsg->pParent = this;
+        aChildren.push_back( std::move(pChildMsg) );
     }
 }