57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
/** @file RunStyles.h
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** Data structure used to store sparse styles.
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**/
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// Copyright 1998-2007 by Neil Hodgson <neilh@scintilla.org>
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// The License.txt file describes the conditions under which this software may be distributed.
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/// Styling buffer using one element for each run rather than using
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/// a filled buffer.
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#ifndef RUNSTYLES_H
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#define RUNSTYLES_H
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#ifdef SCI_NAMESPACE
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namespace Scintilla {
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#endif
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class RunStyles {
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private:
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Partitioning *starts;
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SplitVector<int> *styles;
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int RunFromPosition(int position) const;
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int SplitRun(int position);
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void RemoveRun(int run);
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void RemoveRunIfEmpty(int run);
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void RemoveRunIfSameAsPrevious(int run);
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// no copy ctr or assignment op
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RunStyles(const RunStyles &);
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RunStyles &operator =(const RunStyles &);
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public:
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RunStyles();
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~RunStyles();
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int Length() const;
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int ValueAt(int position) const;
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int FindNextChange(int position, int end) const;
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int StartRun(int position) const;
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int EndRun(int position) const;
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// Returns true if some values may have changed
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bool FillRange(int &position, int value, int &fillLength);
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void SetValueAt(int position, int value);
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void InsertSpace(int position, int insertLength);
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void DeleteAll();
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void DeleteRange(int position, int deleteLength);
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int Runs() const;
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bool AllSame() const;
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bool AllSameAs(int value) const;
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int Find(int value, int start) const;
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void Check() const;
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};
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#ifdef SCI_NAMESPACE
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}
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#endif
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#endif
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