String to OUString and hide implementation details

Change-Id: I91ca70273b2262f8aee7e7bb8000d1271e727b18
Reviewed-on: https://gerrit.libreoffice.org/5617
Reviewed-by: Michael Stahl <mstahl@redhat.com>
Tested-by: Michael Stahl <mstahl@redhat.com>

5 files changed, 126 insertions, 95 deletions

diff --git a/sw/source/ui/frmdlg/cption.cxx b/sw/source/ui/frmdlg/cption.cxx
index 201b1c7f4f51..f124f1be90e5 100644
--- a/sw/source/ui/frmdlg/cption.cxx
+++ b/sw/source/ui/frmdlg/cption.cxx
@@ -42,17 +42,13 @@
 #include <com/sun/star/text/XTextFramesSupplier.hpp>
 #include <com/sun/star/text/XTextFrame.hpp>
 #include <comphelper/string.hxx>
+#include "initui.hxx"
 #include <frmui.hrc>
 #include <globals.hrc>
 #include <SwStyleNameMapper.hxx>
 
 using namespace ::com::sun::star;
 
-extern String* GetOldGrfCat();
-extern String* GetOldTabCat();
-extern String* GetOldFrmCat();
-extern String* GetOldDrwCat();
-
 class SwSequenceOptionDialog : public SvxStandardDialog
 {
     ListBox*        m_pLbLevel;
@@ -144,12 +140,12 @@ SwCaptionDialog::SwCaptionDialog( Window *pParent, SwView &rV ) :
             m_pCategoryBox->InsertEntry(pType->GetName());
     }
 
-    String* pString = 0;
+    OUString sString;
     sal_uInt16 nPoolId = 0;
     if (eType & nsSelectionType::SEL_GRF)
     {
         nPoolId = RES_POOLCOLL_LABEL_ABB;
-        pString = ::GetOldGrfCat();
+        sString = ::GetOldGrfCat();
         bCopyAttributes = sal_True;
         sObjectName = rSh.GetFlyName();
         //if not OLE
@@ -163,7 +159,7 @@ SwCaptionDialog::SwCaptionDialog( Window *pParent, SwView &rV ) :
     else if( eType & nsSelectionType::SEL_TBL )
     {
         nPoolId = RES_POOLCOLL_LABEL_TABLE;
-        pString = ::GetOldTabCat();
+        sString = ::GetOldTabCat();
         uno::Reference< text::XTextTablesSupplier >  xTables(xModel, uno::UNO_QUERY);
         xNameAccess = xTables->getTextTables();
         sObjectName = rSh.GetTableFmt()->GetName();
@@ -171,7 +167,7 @@ SwCaptionDialog::SwCaptionDialog( Window *pParent, SwView &rV ) :
     else if( eType & nsSelectionType::SEL_FRM )
     {
         nPoolId = RES_POOLCOLL_LABEL_FRAME;
-        pString = ::GetOldFrmCat();
+        sString = ::GetOldFrmCat();
          uno::Reference< text::XTextFramesSupplier >  xFrms(xModel, uno::UNO_QUERY);
         xNameAccess = xFrms->getTextFrames();
         sObjectName = rSh.GetFlyName();
@@ -179,17 +175,17 @@ SwCaptionDialog::SwCaptionDialog( Window *pParent, SwView &rV ) :
     else if( eType == nsSelectionType::SEL_TXT )
     {
         nPoolId = RES_POOLCOLL_LABEL_FRAME;
-        pString = ::GetOldFrmCat();
+        sString = ::GetOldFrmCat();
     }
     else if( eType & nsSelectionType::SEL_DRW )
     {
         nPoolId = RES_POOLCOLL_LABEL_DRAWING;
-        pString = ::GetOldDrwCat();
+        sString = ::GetOldDrwCat();
     }
     if( nPoolId )
     {
-        if( pString && pString->Len())
-            m_pCategoryBox->SetText( *pString );
+        if (!sString.isEmpty())
+            m_pCategoryBox->SetText( sString );
         else
             m_pCategoryBox->SetText(
                     SwStyleNameMapper::GetUIName( nPoolId, aEmptyStr ));
diff --git a/sw/source/ui/inc/initui.hxx b/sw/source/ui/inc/initui.hxx
index 297bb0bf4b78..c6f0b10f2d37 100644
--- a/sw/source/ui/inc/initui.hxx
+++ b/sw/source/ui/inc/initui.hxx
@@ -21,6 +21,7 @@
 
 #include "tools/solar.h"
 #include "swdllapi.h"
+#include "rtl/ustring.hxx"
 
 #include <vector>
 
@@ -35,19 +36,17 @@ class SwThesaurus;
  */
 extern  SwThesaurus*    pThes;
 
-extern  String*         pOldGrfCat;
-extern  String*         pOldTabCat;
-extern  String*         pOldFrmCat;
-
-extern  String*         pCurrGlosGroup;
-
-SW_DLLPUBLIC String* GetOldGrfCat();
-SW_DLLPUBLIC String* GetOldTabCat();
-SW_DLLPUBLIC String* GetOldFrmCat();
-SW_DLLPUBLIC String* GetOldDrwCat();
-
-SW_DLLPUBLIC String* GetCurrGlosGroup();
-SW_DLLPUBLIC void SetCurrGlosGroup(String* pStr);
+SW_DLLPUBLIC OUString GetOldGrfCat();
+SW_DLLPUBLIC void SetOldGrfCat(OUString sStr);
+SW_DLLPUBLIC OUString GetOldTabCat();
+SW_DLLPUBLIC void SetOldTabCat(OUString sStr);
+SW_DLLPUBLIC OUString GetOldFrmCat();
+SW_DLLPUBLIC void SetOldFrmCat(OUString sStr);
+SW_DLLPUBLIC OUString GetOldDrwCat();
+SW_DLLPUBLIC void SetOldDrwCat(OUString sStr);
+
+SW_DLLPUBLIC OUString GetCurrGlosGroup();
+SW_DLLPUBLIC void SetCurrGlosGroup(OUString sStr);
 
 extern std::vector<String>*   pDBNameList;
 
diff --git a/sw/source/ui/misc/glossary.cxx b/sw/source/ui/misc/glossary.cxx
index 414430d4eb62..4319fcd9dbc5 100644
--- a/sw/source/ui/misc/glossary.cxx
+++ b/sw/source/ui/misc/glossary.cxx
@@ -159,16 +159,14 @@ SwNewGlosNameDlg::SwNewGlosNameDlg(Window* pParent,
 ------------------------------------------------------------------------*/
 String SwGlossaryDlg::GetCurrGroup()
 {
-    if( ::GetCurrGlosGroup() && ::GetCurrGlosGroup()->Len() )
-        return *(::GetCurrGlosGroup());
+    if( !::GetCurrGlosGroup().isEmpty() )
+        return ::GetCurrGlosGroup();
     return SwGlossaries::GetDefName();
 }
 
 void SwGlossaryDlg::SetActGroup(const String &rGrp)
 {
-    if( !::GetCurrGlosGroup() )
-        ::SetCurrGlosGroup( new String );
-    *(::GetCurrGlosGroup()) = rGrp;
+    ::SetCurrGlosGroup(rGrp);
 }
 
 SwGlossaryDlg::SwGlossaryDlg(SfxViewFrame* pViewFrame,
@@ -200,10 +198,6 @@ SwGlossaryDlg::SwGlossaryDlg(SfxViewFrame* pViewFrame,
 
     SvtLinguConfig aLocalLinguConfig;
 
-    // initialise static-pointer
-    if( !::GetCurrGlosGroup() )
-        ::SetCurrGlosGroup(new String);
-
     PopupMenu *pMenu = m_pEditBtn->GetPopupMenu();
     assert(pMenu);
     pMenu->SetActivateHdl(LINK(this,SwGlossaryDlg,EnableHdl));
@@ -251,11 +245,10 @@ IMPL_LINK( SwGlossaryDlg, GrpSelect, SvTreeListBox *, pBox )
         return 0;
     SvTreeListEntry* pParent = pBox->GetParent(pEntry) ? pBox->GetParent(pEntry) : pEntry;
     GroupUserData* pGroupData = (GroupUserData*)pParent->GetUserData();
-    String *pGlosGroup = ::GetCurrGlosGroup();
-    (*pGlosGroup) = pGroupData->sGroupName;
-    (*pGlosGroup) += GLOS_DELIM;
-    (*pGlosGroup) += OUString::number(pGroupData->nPathIdx);
-    pGlossaryHdl->SetCurGroup(*pGlosGroup);
+    ::SetCurrGlosGroup(pGroupData->sGroupName
+        + OUString(GLOS_DELIM)
+        + OUString::number(pGroupData->nPathIdx));
+    pGlossaryHdl->SetCurGroup(::GetCurrGlosGroup());
     // set current text block
     bReadOnly = pGlossaryHdl->IsReadOnly();
     EnableShortName( !bReadOnly );
@@ -268,7 +261,7 @@ IMPL_LINK( SwGlossaryDlg, GrpSelect, SvTreeListBox *, pBox )
         m_pShortNameEdit->SetText(*(String*)pEntry->GetUserData());
         pEntry = pBox->GetParent(pEntry);
         m_pInsertBtn->Enable( !bIsDocReadOnly);
-        ShowAutoText(*::GetCurrGlosGroup(), m_pShortNameEdit->GetText());
+        ShowAutoText(::GetCurrGlosGroup(), m_pShortNameEdit->GetText());
     }
     else
         ShowAutoText(aEmptyStr, aEmptyStr);
@@ -277,10 +270,10 @@ IMPL_LINK( SwGlossaryDlg, GrpSelect, SvTreeListBox *, pBox )
     if( SfxRequest::HasMacroRecorder( pSh->GetView().GetViewFrame() ) )
     {
         SfxRequest aReq( pSh->GetView().GetViewFrame(), FN_SET_ACT_GLOSSARY );
-        String sTemp(*::GetCurrGlosGroup());
+        OUString sTemp(::GetCurrGlosGroup());
         // the zeroth path is not being recorded!
-        if('0' == sTemp.GetToken(1, GLOS_DELIM).GetChar(0))
-            sTemp = sTemp.GetToken(0, GLOS_DELIM);
+        if (sTemp.getToken(1, GLOS_DELIM).startsWith("0"))
+            sTemp = sTemp.getToken(0, GLOS_DELIM);
         aReq.AppendItem(SfxStringItem(FN_SET_ACT_GLOSSARY, sTemp));
         aReq.Done();
     }
@@ -294,10 +287,10 @@ void SwGlossaryDlg::Apply()
     if( SfxRequest::HasMacroRecorder( pSh->GetView().GetViewFrame() ) )
     {
         SfxRequest aReq( pSh->GetView().GetViewFrame(), FN_INSERT_GLOSSARY );
-        String sTemp(*::GetCurrGlosGroup());
+        OUString sTemp(::GetCurrGlosGroup());
         // the zeroth path is not being recorded!
-        if('0' == sTemp.GetToken(1, GLOS_DELIM).GetChar(0))
-            sTemp = sTemp.GetToken(0, GLOS_DELIM);
+        if (sTemp.getToken(1, GLOS_DELIM).startsWith("0"))
+            sTemp = sTemp.getToken(0, GLOS_DELIM);
         aReq.AppendItem(SfxStringItem(FN_INSERT_GLOSSARY, sTemp));
         aReq.AppendItem(SfxStringItem(FN_PARAM_1, aGlosName));
         aReq.Done();
@@ -454,10 +447,10 @@ IMPL_LINK( SwGlossaryDlg, MenuHdl, Menu *, pMn )
             if( SfxRequest::HasMacroRecorder( pSh->GetView().GetViewFrame() ) )
             {
                 SfxRequest aReq(pSh->GetView().GetViewFrame(), FN_NEW_GLOSSARY);
-                String sTemp(*::GetCurrGlosGroup());
+                OUString sTemp(::GetCurrGlosGroup());
                 // the zeroth path is not being recorded!
-                if('0' == sTemp.GetToken(1, GLOS_DELIM).GetChar(0))
-                    sTemp = sTemp.GetToken(0, GLOS_DELIM);
+                if (sTemp.getToken(1, GLOS_DELIM).startsWith("0"))
+                    sTemp = sTemp.getToken(0, GLOS_DELIM);
                 aReq.AppendItem(SfxStringItem(FN_NEW_GLOSSARY, sTemp));
                 aReq.AppendItem(SfxStringItem(FN_PARAM_1, aShortName));
                 aReq.AppendItem(SfxStringItem(FN_PARAM_2, aStr));
@@ -674,8 +667,8 @@ void SwGlossaryDlg::Init()
     // display text block regions
     const sal_uInt16 nCnt = pGlossaryHdl->GetGroupCnt();
     SvTreeListEntry* pSelEntry = 0;
-    const String sSelStr(::GetCurrGlosGroup()->GetToken(0, GLOS_DELIM));
-    const sal_uInt16 nSelPath = static_cast< sal_uInt16 >(::GetCurrGlosGroup()->GetToken(1, GLOS_DELIM).ToInt32());
+    const OUString sSelStr(::GetCurrGlosGroup().getToken(0, GLOS_DELIM));
+    const sal_uInt16 nSelPath = static_cast< sal_uInt16 >(::GetCurrGlosGroup().getToken(1, GLOS_DELIM).toInt32());
     // #i66304# - "My AutoText" comes from mytexts.bau, but should be translated
     const OUString sMyAutoTextEnglish("My AutoText");
     const OUString sMyAutoTextTranslated(SW_RES(STR_MY_AUTOTEXT));
@@ -1073,8 +1066,7 @@ void SwGlossaryDlg::ShowPreview()
                         EX_SHOW_ONLINE_LAYOUT, &aLink );
     }
 
-    if (::GetCurrGlosGroup())
-        ShowAutoText(*::GetCurrGlosGroup(), m_pShortNameEdit->GetText());
+    ShowAutoText(::GetCurrGlosGroup(), m_pShortNameEdit->GetText());
 };
 
 IMPL_LINK_NOARG(SwGlossaryDlg, PreviewLoadedHdl)
diff --git a/sw/source/ui/uiview/viewdlg2.cxx b/sw/source/ui/uiview/viewdlg2.cxx
index 2594c8fd7599..e91509dcf828 100644
--- a/sw/source/ui/uiview/viewdlg2.cxx
+++ b/sw/source/ui/uiview/viewdlg2.cxx
@@ -37,17 +37,13 @@
 #include "edtwin.hxx"
 #include <SwStyleNameMapper.hxx>
 
+#include "initui.hxx"
 #include "swabstdlg.hxx"
 #include "frmui.hrc"
 #include "misc.hrc"
 
 #include "view.hrc"
 
-extern String* pOldGrfCat;
-extern String* pOldTabCat;
-extern String* pOldFrmCat;
-extern String* pOldDrwCat;
-
 void SwView::ExecDlgExt(SfxRequest &rReq)
 {
     Window *pMDI = &GetViewFrame()->GetWindow();
@@ -192,25 +188,16 @@ void SwView::InsertCaption(const InsCaptionOpt *pOpt)
     }
 
     // rember category
-    String** ppStr = 0;
     if (eType & nsSelectionType::SEL_GRF)
-        ppStr = &pOldGrfCat;
+        SetOldGrfCat(rName);
     else if( eType & nsSelectionType::SEL_TBL)
-        ppStr = &pOldTabCat;
+        SetOldTabCat(rName);
     else if( eType & nsSelectionType::SEL_FRM)
-        ppStr = &pOldFrmCat;
+        SetOldFrmCat(rName);
     else if( eType == nsSelectionType::SEL_TXT)
-        ppStr = &pOldFrmCat;
+        SetOldFrmCat(rName);
     else if( eType & nsSelectionType::SEL_DRW)
-        ppStr = &pOldDrwCat;
-
-    if( ppStr )
-    {
-        if( !*ppStr )
-            *ppStr = new String( rName );
-        else
-            **ppStr = rName;
-    }
+        SetOldDrwCat(rName);
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sw/source/ui/utlui/initui.cxx b/sw/source/ui/utlui/initui.cxx
index 043b650eed63..52fef745d172 100644
--- a/sw/source/ui/utlui/initui.cxx
+++ b/sw/source/ui/utlui/initui.cxx
@@ -42,35 +42,96 @@ SwGlossaries*       pGlossaries = 0;
 // Provides all needed paths. Is initialized by UI.
 SwGlossaryList*     pGlossaryList = 0;
 
-String* pOldGrfCat = 0;
-String* pOldTabCat = 0;
-String* pOldFrmCat = 0;
-String* pOldDrwCat = 0;
-String* pCurrGlosGroup = 0;
+namespace
+{
+
+enum CachedStringID
+{
+    OldGrfCat,
+    OldTabCat,
+    OldFrmCat,
+    OldDrwCat,
+    CurrGlosGroup,
+    CachedStrings
+};
+
+OUString *StringCache[CachedStrings] = {0};
+
+inline OUString GetCachedString(CachedStringID id)
+{
+    return StringCache[id] ? *StringCache[id] : OUString();
+}
+
+inline void SetCachedString(CachedStringID id, OUString sStr)
+{
+    if (StringCache[id])
+    {
+        *StringCache[id] = sStr;
+    }
+    else
+    {
+        StringCache[id] = new OUString(sStr);
+    }
+}
+
+void ClearStringCache()
+{
+    for (int i=0; i<CachedStrings; ++i)
+    {
+        delete StringCache[i];
+    }
+}
+
+}
+
+OUString GetOldGrfCat()
+{
+    return GetCachedString(OldGrfCat);
+}
+
+void SetOldGrfCat(OUString sStr)
+{
+    SetCachedString(OldGrfCat, sStr);
+}
+
+OUString GetOldTabCat()
+{
+    return GetCachedString(OldTabCat);
+}
+
+void SetOldTabCat(OUString sStr)
+{
+    SetCachedString(OldTabCat, sStr);
+}
 
-String* GetOldGrfCat()
+OUString GetOldFrmCat()
 {
-    return pOldGrfCat;
+    return GetCachedString(OldFrmCat);
 }
-String* GetOldTabCat()
+
+void SetOldFrmCat(OUString sStr)
 {
-    return pOldTabCat;
+    SetCachedString(OldFrmCat, sStr);
 }
-String* GetOldFrmCat()
+
+OUString GetOldDrwCat()
 {
-    return pOldFrmCat;
+    return GetCachedString(OldDrwCat);
 }
-String* GetOldDrwCat()
+
+void SetOldDrwCat(OUString sStr)
 {
-    return pOldDrwCat;
+    SetCachedString(OldDrwCat, sStr);
 }
-String* GetCurrGlosGroup()
+
+OUString GetCurrGlosGroup()
 {
-    return pCurrGlosGroup;
+    return GetCachedString(CurrGlosGroup);
 }
-void SetCurrGlosGroup(String* pStr)
+
+void SetCurrGlosGroup(OUString sStr)
 {
-    pCurrGlosGroup = pStr;
+    SetCachedString(CurrGlosGroup, sStr);
 }
 
 std::vector<String>* pDBNameList = 0;
@@ -97,11 +158,7 @@ void _FinitUI()
 
     delete SwFieldType::pFldNames;
 
-    delete pOldGrfCat;
-    delete pOldTabCat;
-    delete pOldFrmCat;
-    delete pOldDrwCat;
-    delete pCurrGlosGroup;
+    ClearStringCache();
     delete pDBNameList;
     delete pGlossaryList;
     delete pAuthFieldNameList;