src/stc/scintilla/src/RunStyles.h

   1 /** @file RunStyles.h
   2  ** Data structure used to store sparse styles.
   3  **/
   4 // Copyright 1998-2007 by Neil Hodgson <neilh@scintilla.org>
   5 // The License.txt file describes the conditions under which this software may be distributed.
   6
   7 /// Styling buffer using one element for each run rather than using
   8 /// a filled buffer.
   9
  10 #ifdef SCI_NAMESPACE
  11 namespace Scintilla {
  12 #endif
  13
  14 class RunStyles {
  15 public:
  16         Partitioning *starts;
  17         SplitVector<int> *styles;
  18         int RunFromPosition(int position);
  19         int SplitRun(int position);
  20         void RemoveRun(int run);
  21         void RemoveRunIfEmpty(int run);
  22         void RemoveRunIfSameAsPrevious(int run);
  23 public:
  24         RunStyles();
  25         ~RunStyles();
  26         int Length();
  27         int ValueAt(int position);
  28         int FindNextChange(int position, int end);
  29         int StartRun(int position);
  30         int EndRun(int position);
  31         // Returns true if some values may have changed
  32         bool FillRange(int &position, int value, int &fillLength);
  33         void SetValueAt(int position, int value);
  34         void InsertSpace(int position, int insertLength);
  35         void DeleteAll();
  36         void DeleteRange(int position, int deleteLength);
  37 };
  38
  39 #ifdef SCI_NAMESPACE
  40 }
  41 #endif