gecko-dev/tools/jprof/intcnt.h

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef INTCNT_H
#define INTCNT_H

class IntCount {
 public:
  IntCount();
  ~IntCount();
  void clear();
  int countAdd(int index, int increment = 1);
  int countGet(int index);
  int getSize();
  int getCount(int pos);
  int getIndex(int pos);

  IntCount(const IntCount& old) {
    numInts = old.numInts;
    if (numInts > 0) {
      iPair = new IntPair[numInts];
      for (int i = 0; i < numInts; i++) {
        iPair[i] = old.iPair[i];
      }
    } else {
      iPair = nullptr;
    }
  }

 private:
  int numInts;
  struct IntPair {
    int idx;
    int cnt;
  } * iPair;
};

#endif