sc/inc/dpitemdata.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #pragma once
  11
  12 #include "scdllapi.h"
  13
  14 #include <sal/types.h>
  15 #include <rtl/ustring.h>
  16 #include <rtl/ustring.hxx>
  17 #include "calcmacros.hxx"
  18 #include "dpglobal.hxx"
  19
  20 /**
  21  * When assigning a string value, you can also assign an interned string
  22  * whose life-cycle is managed by the pivot cache that it belongs to.  Those
  23  * methods that take a string pointer assume that the string is interned.
  24  *
  25  * <p>Do make sure that an item with an interned string won't persist after
  26  * the pivot cache has been destroyed or reloaded.</p>
  27  */
  28 class SC_DLLPUBLIC ScDPItemData
  29 {
  30     friend class ScDPCache;
  31
  32 public:
  33     enum Type { GroupValue = 0, RangeStart = 1, Value = 2, String = 3, Error = 4, Empty = 5 };
  34
  35     static const sal_Int32 DateFirst;
  36     static const sal_Int32 DateLast;
  37
  38     struct GroupValueAttr
  39     {
  40         sal_Int32 mnGroupType;
  41         sal_Int32 mnValue;
  42     };
  43
  44 private:
  45
  46     union {
  47         rtl_uString* mpString;
  48         GroupValueAttr maGroupValue;
  49         double mfValue;
  50     };
  51
  52     sal_uInt8 meType:3;
  53     bool mbStringInterned:1;
  54
  55     void DisposeString();
  56
  57 public:
  58     // case insensitive equality
  59     static sal_Int32 Compare(const ScDPItemData& rA, const ScDPItemData& rB);
  60
  61     ScDPItemData();
  62     ScDPItemData(const ScDPItemData& r);
  63     ScDPItemData(const OUString& rStr);
  64     ScDPItemData(sal_Int32 nGroupType, sal_Int32 nValue);
  65     ~ScDPItemData();
  66
  67     Type GetType() const { return static_cast<Type>(meType); }
  68     void SetEmpty();
  69     void SetString(const OUString& rS);
  70     void SetStringInterned( rtl_uString* pS );
  71     void SetValue(double fVal);
  72     void SetRangeStart(double fVal);
  73     void SetRangeFirst();
  74     void SetRangeLast();
  75     void SetErrorStringInterned( rtl_uString* pS );
  76     bool IsCaseInsEqual(const ScDPItemData& r) const;
  77
  78     // exact equality
  79     bool operator==(const ScDPItemData& r) const;
  80     bool operator< (const ScDPItemData& r) const;
  81
  82     ScDPItemData& operator= (const ScDPItemData& r);
  83
  84     bool IsEmpty() const;
  85     bool IsValue() const;
  86     OUString GetString() const;
  87     double GetValue() const;
  88     GroupValueAttr GetGroupValue() const;
  89     bool HasStringData() const ;
  90
  91     ScDPValue::Type GetCellType() const;
  92
  93 #if DEBUG_PIVOT_TABLE
  94     void Dump(const char* msg) const;
  95 #endif
  96 };
  97
  98 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */