headers/private/debugger/types/ArrayIndexPath.h

   1 /*
   2  * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef ARRAY_INDEX_PATH_H
   6 #define ARRAY_INDEX_PATH_H
   7
   8
   9 #include <Array.h>
  10
  11 #include "Types.h"
  12
  13
  14 class BString;
  15
  16
  17 class ArrayIndexPath {
  18 public:
  19                                                                 ArrayIndexPath();
  20                                                                 ArrayIndexPath(const ArrayIndexPath& other);
  21                                                                 ~ArrayIndexPath();
  22
  23                         status_t                        SetTo(const char* path);
  24                         void                            Clear();
  25
  26                         bool                            GetPathString(BString& path) const;
  27
  28         inline  int32                           CountIndices() const;
  29         inline  int64                           IndexAt(int32 index) const;
  30         inline  bool                            AddIndex(int64 index);
  31         inline  void                            SetIndexAt(int32 at, int64 newIndex);
  32
  33                         ArrayIndexPath&         operator=(const ArrayIndexPath& other);
  34
  35 private:
  36                         typedef Array<int64> IndexArray;
  37
  38 private:
  39                         IndexArray                      fIndices;
  40 };
  41
  42
  43 int32
  44 ArrayIndexPath::CountIndices() const
  45 {
  46         return fIndices.Count();
  47 }
  48
  49
  50 int64
  51 ArrayIndexPath::IndexAt(int32 index) const
  52 {
  53         return index >= 0 && index < fIndices.Count()
  54                 ? fIndices.ElementAt(index) : -1;
  55 }
  56
  57
  58 bool
  59 ArrayIndexPath::AddIndex(int64 index)
  60 {
  61         return fIndices.Add(index);
  62 }
  63
  64
  65 void
  66 ArrayIndexPath::SetIndexAt(int32 at, int64 newIndex)
  67 {
  68         if (at >= 0 && at < fIndices.Count())
  69                 fIndices[at] = newIndex;
  70 }
  71
  72
  73 #endif  // ARRAY_INDEX_PATH_H