reduce scope with template specialization

Change-Id: I7bfbaa3898f34e1ed931f5865b493aae66e28c0f

sw/source/core/unocore/unostyle.cxx

@@ -320,14 +320,13 @@ static bool lcl_GetHeaderFooterItem(
     return SfxItemState::SET == eState;
 }
 
-static sal_Int32 lcl_GetCountOrName(const SwDoc &rDoc,
-    SfxStyleFamily eFamily, OUString *pString, sal_Int32 nIndex = SAL_MAX_INT32)
+template<enum SfxStyleFamily>
+static sal_Int32 lcl_GetCountOrName2(const SwDoc &rDoc, OUString *pString, sal_Int32 nIndex);
+
+template<>
+sal_Int32 lcl_GetCountOrName2<SFX_STYLE_FAMILY_CHAR>(const SwDoc &rDoc, OUString *pString, sal_Int32 nIndex)
 {
     sal_Int32 nCount = 0;
-    switch( eFamily )
-    {
-        case SFX_STYLE_FAMILY_CHAR:
-        {
     const sal_Int32 nBaseCount =
                              RES_POOLCHR_HTML_END - RES_POOLCHR_HTML_BEGIN  +
                              RES_POOLCHR_NORMAL_END - RES_POOLCHR_NORMAL_BEGIN;
@@ -354,10 +353,13 @@ static sal_Int32 lcl_GetCountOrName(const SwDoc &rDoc,
         }
     }
     nCount += nBaseCount;
-        }
-        break;
-        case SFX_STYLE_FAMILY_PARA:
-        {
+    return nCount;
+}
+
+template<>
+sal_Int32 lcl_GetCountOrName2<SFX_STYLE_FAMILY_PARA>(const SwDoc &rDoc, OUString *pString, sal_Int32 nIndex)
+{
+    sal_Int32 nCount = 0;
     const sal_Int32 nBaseCount =
                             RES_POOLCOLL_HTML_END - RES_POOLCOLL_HTML_BEGIN +
                             RES_POOLCOLL_DOC_END - RES_POOLCOLL_DOC_BEGIN +
@@ -383,10 +385,13 @@ static sal_Int32 lcl_GetCountOrName(const SwDoc &rDoc,
         }
     }
     nCount += nBaseCount;
-        }
-        break;
-        case SFX_STYLE_FAMILY_FRAME:
-        {
+    return nCount;
+}
+
+template<>
+sal_Int32 lcl_GetCountOrName2<SFX_STYLE_FAMILY_FRAME>(const SwDoc &rDoc, OUString *pString, sal_Int32 nIndex)
+{
+    sal_Int32 nCount = 0;
     const sal_Int32 nBaseCount = RES_POOLFRM_END - RES_POOLFRM_BEGIN;
     nIndex = nIndex - nBaseCount;
     const size_t nArrLen = rDoc.GetFrameFormats()->size();
@@ -406,10 +411,13 @@ static sal_Int32 lcl_GetCountOrName(const SwDoc &rDoc,
         }
     }
     nCount += nBaseCount;
-        }
-        break;
-        case SFX_STYLE_FAMILY_PAGE:
-        {
+    return nCount;
+}
+
+template<>
+sal_Int32 lcl_GetCountOrName2<SFX_STYLE_FAMILY_PAGE>(const SwDoc &rDoc, OUString *pString, sal_Int32 nIndex)
+{
+    sal_Int32 nCount = 0;
     const sal_Int32 nBaseCount = RES_POOLPAGE_END - RES_POOLPAGE_BEGIN;
     nIndex = nIndex - nBaseCount;
     const size_t nArrLen = rDoc.GetPageDescCnt();
@@ -428,10 +436,13 @@ static sal_Int32 lcl_GetCountOrName(const SwDoc &rDoc,
         }
     }
     nCount += nBaseCount;
-        }
-        break;
-        case SFX_STYLE_FAMILY_PSEUDO:
-        {
+    return nCount;
+}
+
+template<>
+sal_Int32 lcl_GetCountOrName2<SFX_STYLE_FAMILY_PSEUDO>(const SwDoc &rDoc, OUString *pString, sal_Int32 nIndex)
+{
+    sal_Int32 nCount = 0;
     const sal_Int32 nBaseCount = RES_POOLNUMRULE_END - RES_POOLNUMRULE_BEGIN;
     nIndex = nIndex - nBaseCount;
     const SwNumRuleTable& rNumTable = rDoc.GetNumRuleTable();
@@ -451,13 +462,43 @@ static sal_Int32 lcl_GetCountOrName(const SwDoc &rDoc,
         }
     }
     nCount += nBaseCount;
+    return nCount;
+}
+
+static sal_Int32 lcl_GetCountOrName(const SwDoc &rDoc,
+    SfxStyleFamily eFamily, OUString *pString, sal_Int32 nIndex = SAL_MAX_INT32)
+{
+    switch( eFamily )
+    {
+        case SFX_STYLE_FAMILY_CHAR:
+        {
+            return lcl_GetCountOrName2<SFX_STYLE_FAMILY_CHAR>(rDoc, pString, nIndex);
+        }
+        break;
+        case SFX_STYLE_FAMILY_PARA:
+        {
+            return lcl_GetCountOrName2<SFX_STYLE_FAMILY_PARA>(rDoc, pString, nIndex);
+        }
+        break;
+        case SFX_STYLE_FAMILY_FRAME:
+        {
+            return lcl_GetCountOrName2<SFX_STYLE_FAMILY_FRAME>(rDoc, pString, nIndex);
+        }
+        break;
+        case SFX_STYLE_FAMILY_PAGE:
+        {
+            return lcl_GetCountOrName2<SFX_STYLE_FAMILY_PAGE>(rDoc, pString, nIndex);
+        }
+        break;
+        case SFX_STYLE_FAMILY_PSEUDO:
+        {
+            return lcl_GetCountOrName2<SFX_STYLE_FAMILY_PSEUDO>(rDoc, pString, nIndex);
         }
         break;
 
         default:
-            ;
+            return 0;
     }
-    return nCount;
 }
 
 sal_Int32 SwXStyleFamily::getCount() throw( uno::RuntimeException, std::exception )