convert SP_EXTEND_RANGE constants to scoped enum

Change-Id: I4d6ed976f4df63c7c51dd110b45787f2396518e4
Reviewed-on: https://gerrit.libreoffice.org/16069Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>

sw/inc/crstate.hxx

@@ -94,19 +94,20 @@ struct Sw2LinesPos
  *          Call SwTextFrm:::GetCharRect with core string position 33.
  */
 
-#define SP_EXTEND_RANGE_NONE    0
-#define SP_EXTEND_RANGE_BEFORE  1
-#define SP_EXTEND_RANGE_BEHIND  2
+enum class SwSPExtendRange : sal_uInt8
+{
+    NONE, BEFORE, BEHIND
+};
 
 struct SwSpecialPos
 {
     sal_Int32 nCharOfst;
     sal_uInt16 nLineOfst;
-    sal_uInt8 nExtendRange;
+    SwSPExtendRange nExtendRange;
 
     // #i27615#
     SwSpecialPos() : nCharOfst(0), nLineOfst(0),
-                     nExtendRange(SP_EXTEND_RANGE_NONE)
+                     nExtendRange(SwSPExtendRange::NONE)
     {}
 };
 

sw/source/core/access/accportions.cxx

@@ -582,13 +582,13 @@ sal_Int32 SwAccessiblePortionData::FillSpecialPos(
 {
     size_t nPortionNo = FindLastBreak( aAccessiblePositions, nPos );
 
-    sal_uInt8 nExtend(SP_EXTEND_RANGE_NONE);
+    SwSPExtendRange nExtend(SwSPExtendRange::NONE);
     sal_Int32 nRefPos(0);
     sal_Int32 nModelPos(0);
 
     if( nPortionNo < nBeforePortions )
     {
-        nExtend = SP_EXTEND_RANGE_BEFORE;
+        nExtend = SwSPExtendRange::BEFORE;
         rpPos = &rPos;
     }
     else
@@ -620,7 +620,7 @@ sal_Int32 SwAccessiblePortionData::FillSpecialPos(
             // reference position is the first accessibilty for our
             // core portion
             nRefPos = aAccessiblePositions[ nCorePortionNo ];
-            nExtend = SP_EXTEND_RANGE_NONE;
+            nExtend = SwSPExtendRange::NONE;
             rpPos = &rPos;
         }
         else if(nPortionNo != nCorePortionNo)
@@ -630,7 +630,7 @@ sal_Int32 SwAccessiblePortionData::FillSpecialPos(
             // reference position is the first character of the next
             // portion, and we are 'behind'
             nRefPos = aAccessiblePositions[ nCorePortionNo+1 ];
-            nExtend = SP_EXTEND_RANGE_BEHIND;
+            nExtend = SwSPExtendRange::BEHIND;
             rpPos = &rPos;
         }
         else
@@ -649,9 +649,6 @@ sal_Int32 SwAccessiblePortionData::FillSpecialPos(
     {
         OSL_ENSURE( rpPos == &rPos, "Yes!" );
         OSL_ENSURE( nRefPos <= nPos, "wrong reference" );
-        OSL_ENSURE( (nExtend == SP_EXTEND_RANGE_NONE) ||
-                    (nExtend == SP_EXTEND_RANGE_BEFORE) ||
-                    (nExtend == SP_EXTEND_RANGE_BEHIND), "need extend" );
 
         // get the line number, and adjust nRefPos for the line
         // (if necessary)

sw/source/core/crsr/crsrsh.cxx

@@ -1734,7 +1734,7 @@ void SwCrsrShell::UpdateCrsr( sal_uInt16 eFlags, bool bIdleEnd )
 
             // #i27615#,#i30453#
             SwSpecialPos aSpecialPos;
-            aSpecialPos.nExtendRange = SP_EXTEND_RANGE_BEFORE;
+            aSpecialPos.nExtendRange = SwSPExtendRange::BEFORE;
             if (pShellCrsr->IsInFrontOfLabel())
             {
                 aTmpState.pSpecialPos = &aSpecialPos;

sw/source/core/text/itrcrsr.cxx

@@ -485,7 +485,7 @@ void SwTextCursor::_GetCharRect( SwRect* pOrig, const sal_Int32 nOfst,
     // beginning of a line
     const bool bInsideFirstField = pCMS && pCMS->pSpecialPos &&
                                     ( pCMS->pSpecialPos->nLineOfst ||
-                                         SP_EXTEND_RANGE_BEFORE ==
+                                      SwSPExtendRange::BEFORE ==
                                       pCMS->pSpecialPos->nExtendRange );
 
     bool bWidth = pCMS && pCMS->bRealWidth;
@@ -1176,13 +1176,13 @@ bool SwTextCursor::GetCharRect( SwRect* pOrig, const sal_Int32 nOfst,
 
     if ( bSpecialPos )
     {
-        const sal_uInt8 nExtendRange = pCMS->pSpecialPos->nExtendRange;
+        const SwSPExtendRange nExtendRange = pCMS->pSpecialPos->nExtendRange;
 
-        OSL_ENSURE( ! pCMS->pSpecialPos->nLineOfst || SP_EXTEND_RANGE_BEFORE != nExtendRange,
+        OSL_ENSURE( ! pCMS->pSpecialPos->nLineOfst || SwSPExtendRange::BEFORE != nExtendRange,
                 "LineOffset AND Number Portion?" );
 
         // portions which are behind the string
-        if ( SP_EXTEND_RANGE_BEHIND == nExtendRange )
+        if ( SwSPExtendRange::BEHIND == nExtendRange )
             ++nFindOfst;
 
         // skip lines for fields which cover more than one line