3 files changed, 34 insertions, 5 deletions
diff --git a/sc/source/filter/inc/formulabase.hxx b/sc/source/filter/inc/formulabase.hxx
index 8c2765f0f2e5..83b7bb47ccb6 100644
--- a/sc/source/filter/inc/formulabase.hxx
+++ b/sc/source/filter/inc/formulabase.hxx
@@ -263,11 +263,28 @@ typedef ::com::sun::star::uno::Sequence< ApiToken > ApiTokenSequence;
 typedef ::com::sun::star::beans::Pair< ::com::sun::star::table::CellAddress, sal_Bool > ApiSpecialTokenInfo;
 
 /** A vector of formula tokens with additional convenience functions. */
-class ApiTokenVector : public ::std::vector< ApiToken >
+class ApiTokenVector
 {
 public:
     explicit            ApiTokenVector();
 
+    ApiToken& operator[]( size_t i ) { return mvTokens[i]; }
+
+    size_t size() const { return mvTokens.size(); }
+
+    ApiToken& back() { return mvTokens.back(); }
+    const ApiToken& back() const { return mvTokens.back(); }
+
+    void clear() { mvTokens.clear(); }
+
+    void pop_back() { mvTokens.pop_back(); }
+
+    void push_back( const ApiToken& rToken ) { mvTokens.push_back( rToken ); }
+
+    void reserve( size_t n ) { mvTokens.reserve( n ); }
+
+    void resize( size_t n ) { mvTokens.resize( n ); }
+
     /** Appends a new token with the passed op-code, returns its data field. */
     ::com::sun::star::uno::Any&
                         append( sal_Int32 nOpCode );
@@ -275,6 +292,12 @@ public:
     /** Appends a new token with the passed op-code and data. */
     template< typename Type >
     inline void         append( sal_Int32 nOpCode, const Type& rData ) { append( nOpCode ) <<= rData; }
+
+    /** Converts to a sequence. */
+    ApiTokenSequence toSequence() const;
+
+private:
+    ::std::vector< ApiToken > mvTokens;
 };
 
 // Token sequence iterator ====================================================
diff --git a/sc/source/filter/oox/formulabase.cxx b/sc/source/filter/oox/formulabase.cxx
index 2459791eb8e6..641e70e1cd89 100644
--- a/sc/source/filter/oox/formulabase.cxx
+++ b/sc/source/filter/oox/formulabase.cxx
@@ -145,14 +145,20 @@ void BinComplexRef2d::readBiff8Data( BiffInputStream& rStrm, bool bRelativeAsOff
 // token vector, sequence =====================================================
 
 ApiTokenVector::ApiTokenVector()
+    : mvTokens()
 {
 }
 
 Any& ApiTokenVector::append( sal_Int32 nOpCode )
 {
-    resize( size() + 1 );
-    back().OpCode = nOpCode;
-    return back().Data;
+    mvTokens.resize( mvTokens.size() + 1 );
+    mvTokens.back().OpCode = nOpCode;
+    return mvTokens.back().Data;
+}
+
+ApiTokenSequence ApiTokenVector::toSequence() const
+{
+    return ContainerHelper::vectorToSequence( mvTokens );
 }
 
 // token sequence iterator ====================================================
diff --git a/sc/source/filter/oox/formulaparser.cxx b/sc/source/filter/oox/formulaparser.cxx
index 41331fb55d82..77ecaeeede28 100644
--- a/sc/source/filter/oox/formulaparser.cxx
+++ b/sc/source/filter/oox/formulaparser.cxx
@@ -69,7 +69,7 @@ ApiTokenSequence FormulaFinalizer::finalizeTokenArray( const ApiTokenSequence& r
         const ApiToken* pToken = rTokens.getConstArray();
         processTokens( pToken, pToken + rTokens.getLength() );
     }
-    return ContainerHelper::vectorToSequence( maTokens );
+    return maTokens.toSequence();
 }
 
 const FunctionInfo* FormulaFinalizer::resolveBadFuncName( const OUString& ) const