LCOV - code coverage report
Current view: top level - legacy/ascend950/common - iterator.h (source / functions) Coverage Total Hit
Test: coverage.info Lines: 72.4 % 29 21
Test Date: 2026-07-28 12:11:00 Functions: 55.8 % 52 29

            Line data    Source code
       1              : /**
       2              :  * Copyright (c) 2025 Huawei Technologies Co., Ltd.
       3              :  * This program is free software, you can redistribute it and/or modify it under the terms and conditions of
       4              :  * CANN Open Software License Agreement Version 2.0 (the "License").
       5              :  * Please refer to the License for details. You may not use this file except in compliance with the License.
       6              :  * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
       7              :  * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
       8              :  * See LICENSE in the root of the software repository for the full text of the License.
       9              :  */
      10              : 
      11              : #ifndef HCCLV2_ITERATOR_H
      12              : #define HCCLV2_ITERATOR_H
      13              : 
      14              : #include <iterator>
      15              : #include <memory>
      16              : 
      17              : namespace Hccl {
      18              : 
      19              : template <typename T, typename Enable = void> struct IsSharedPtr final {
      20              :     static const bool value = false;
      21              : };
      22              : 
      23              : template <typename T>
      24              : struct IsSharedPtr<T,
      25              :                    typename std::enable_if<std::is_same<T, std::shared_ptr<typename T::element_type>>::value>::type> {
      26              :     static const bool value = true;
      27              : };
      28              : 
      29              : template <typename T, typename Enable = void> struct IsUniquePtr final {
      30              :     static const bool value = false;
      31              : };
      32              : 
      33              : template <typename T>
      34              : struct IsUniquePtr<T,
      35              :                    typename std::enable_if<std::is_same<T, std::unique_ptr<typename T::element_type>>::value>::type> {
      36              :     static const bool value = true;
      37              : };
      38              : 
      39              : template <typename T, typename Enable = void> struct IsSmartPtr final {
      40              :     static const bool value = false;
      41              : };
      42              : 
      43              : template <typename T>
      44              : struct IsSmartPtr<T,
      45              :                   typename std::enable_if<IsSharedPtr<T>::value || IsUniquePtr<T>::value
      46              :                                           || std::is_same<T, std::weak_ptr<typename T::element_type>>::value>::type> {
      47              :     static const bool value = true;
      48              : };
      49              : 
      50              : template <template <class U, typename _Alloc = std::allocator<U>> class Sequence, typename T, typename Enable = void>
      51              : class BaseConstIterator {};
      52              : 
      53              : template <template <class U, typename _Alloc = std::allocator<U>> class Sequence, typename T>
      54              : class BaseConstIterator<Sequence, T, typename std::enable_if<IsSharedPtr<T>::value || IsUniquePtr<T>::value>::type> {
      55              : public:
      56              :     using V = typename T::element_type;
      57              : 
      58              :     BaseConstIterator() : iter(nullptr), end(nullptr)
      59              :     {
      60              :     }
      61              : 
      62          136 :     explicit BaseConstIterator(const Sequence<T> &seq) : iter(seq.cbegin()), end(seq.cend())
      63              :     {
      64          136 :     }
      65              : 
      66          100 :     virtual const V &operator*()
      67              :     {
      68          100 :         return *(*iter);
      69              :     }
      70              : 
      71          146 :     virtual const V *operator->()
      72              :     {
      73          146 :         return (*iter).get();
      74              :     }
      75              : 
      76            0 :     virtual BaseConstIterator &Next()
      77              :     {
      78            0 :         iter++;
      79            0 :         return *this;
      80              :     }
      81              : 
      82           93 :     virtual BaseConstIterator &operator++()
      83              :     {
      84           93 :         iter++;
      85           93 :         return *this;
      86              :     }
      87              : 
      88          231 :     virtual bool HasNext()
      89              :     {
      90          231 :         return iter != end;
      91              :     }
      92              : 
      93          141 :     virtual ~BaseConstIterator() {};
      94              : 
      95              : protected:
      96              :     typename Sequence<T>::const_iterator iter;
      97              :     typename Sequence<T>::const_iterator end;
      98              : };
      99              : 
     100              : template <template <class U, typename _Alloc = std::allocator<U>> class Sequence, typename T>
     101              : class BaseConstIterator<Sequence, T, typename std::enable_if<!IsSmartPtr<T>::value>::type> {
     102              : public:
     103              :     BaseConstIterator() : iter(nullptr), end(nullptr)
     104              :     {
     105              :     }
     106              : 
     107           13 :     explicit BaseConstIterator(const Sequence<T> &seq) : iter(seq.cbegin()), end(seq.cend())
     108              :     {
     109           13 :     }
     110              : 
     111           17 :     virtual const T &operator*()
     112              :     {
     113           17 :         return *iter;
     114              :     }
     115              : 
     116            0 :     virtual const T *operator->()
     117              :     {
     118            0 :         return &*iter;
     119              :     }
     120              : 
     121            0 :     virtual BaseConstIterator &Next()
     122              :     {
     123            0 :         iter++;
     124            0 :         return *this;
     125              :     }
     126              : 
     127           10 :     virtual BaseConstIterator &operator++()
     128              :     {
     129           10 :         iter++;
     130           10 :         return *this;
     131              :     }
     132              : 
     133           19 :     virtual bool HasNext()
     134              :     {
     135           19 :         return iter != end;
     136              :     }
     137              : 
     138              : protected:
     139              :     typename Sequence<T>::const_iterator iter;
     140              :     typename Sequence<T>::const_iterator end;
     141              : };
     142              : 
     143              : } // namespace Hccl
     144              : 
     145              : #endif // HCCLV2_ITERATOR_H
        

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