Avoid potential negative array index access to cached text.
[LibreOffice.git] / sc / inc / markarr.hxx
blob03e94b7d302b7b00e008499b616df93e9d030384
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
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9 * This file incorporates work covered by the following license notice:
11 * Licensed to the Apache Software Foundation (ASF) under one or more
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14 * ownership. The ASF licenses this file to you under the Apache
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20 #pragma once
22 #include "address.hxx"
23 #include <tools/long.hxx>
24 #include <vector>
26 class ScRangeList;
27 struct ScSheetLimits;
29 struct ScMarkEntry
31 SCROW nRow : 30; // 30 because 31 causes compiler problems with VisualStudio
32 bool bMarked : 1;
34 bool operator==(const ScMarkEntry& rOther) const
35 { return nRow == rOther.nRow && bMarked == rOther.bMarked; }
38 /**
39 This is a rather odd datastructure. We store alternating marked/not-marked entries,
40 and for each entry the range is defined as :
41 [previousEntry.nRow+1, currentEntry.nRow]
43 class SC_DLLPUBLIC ScMarkArray
45 const ScSheetLimits & mrSheetLimits;
46 std::vector<ScMarkEntry> mvData;
48 friend class ScMarkArrayIter;
49 friend class ScDocument; // for FillInfo
51 public:
52 ScMarkArray( const ScSheetLimits& rLimits );
53 ScMarkArray( ScMarkArray&& rArray ) noexcept;
54 ScMarkArray( const ScMarkArray& rArray );
55 void Reset( bool bMarked = false, SCSIZE nNeeded = 1 );
56 bool GetMark( SCROW nRow ) const;
57 void SetMarkArea( SCROW nStartRow, SCROW nEndRow, bool bMarked );
58 void Set( std::vector<ScMarkEntry> && );
59 bool IsAllMarked( SCROW nStartRow, SCROW nEndRow ) const;
60 bool HasOneMark( SCROW& rStartRow, SCROW& rEndRow ) const;
62 bool HasMarks() const { return mvData.size() > 1 || ( mvData.size() == 1 && mvData[0].bMarked ); }
64 ScMarkArray& operator=( ScMarkArray const & rSource );
65 ScMarkArray& operator=(ScMarkArray&& rSource) noexcept;
66 bool operator==(ScMarkArray const & rOther ) const;
68 bool Search( SCROW nRow, SCSIZE& nIndex ) const;
70 /// Including current row, may return -1 if bUp and not found
71 SCROW GetNextMarked( SCROW nRow, bool bUp ) const;
72 SCROW GetMarkEnd( SCROW nRow, bool bUp ) const;
74 void Shift( SCROW nStartRow, tools::Long nOffset );
75 void Intersect( const ScMarkArray& rOther );
78 class SC_DLLPUBLIC ScMarkArrayIter // iterate over selected range
80 const ScMarkArray* pArray;
81 SCSIZE nPos;
82 public:
83 ScMarkArrayIter( const ScMarkArray* pNewArray );
85 bool Next( SCROW& rTop, SCROW& rBottom );
86 void reset( const ScMarkArray* pNewArray );
89 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */