LCOV - code coverage report
Current view: top level - ezlibs - ezCnt.hpp (source / functions) Coverage Total Hit
Test: Coverage (llvm-cov → lcov → genhtml) Lines: 94.4 % 18 17
Test Date: 2025-09-16 22:55:37 Functions: 100.0 % 6 6
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 66.7 % 6 4

             Branch data     Line data    Source code
       1                 :             : #pragma once
       2                 :             : 
       3                 :             : /*
       4                 :             : MIT License
       5                 :             : 
       6                 :             : Copyright (c) 2014-2024 Stephane Cuillerdier (aka aiekick)
       7                 :             : 
       8                 :             : Permission is hereby granted, free of charge, to any person obtaining a copy
       9                 :             : of this software and associated documentation files (the "Software"), to deal
      10                 :             : in the Software without restriction, including without limitation the rights
      11                 :             : to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
      12                 :             : copies of the Software, and to permit persons to whom the Software is
      13                 :             : furnished to do so, subject to the following conditions:
      14                 :             : 
      15                 :             : The above copyright notice and this permission notice shall be included in all
      16                 :             : copies or substantial portions of the Software.
      17                 :             : 
      18                 :             : THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      19                 :             : IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      20                 :             : FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
      21                 :             : AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      22                 :             : LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
      23                 :             : OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
      24                 :             : SOFTWARE.
      25                 :             : */
      26                 :             : 
      27                 :             : // ezBmp is part of the ezLibs project : https://github.com/aiekick/ezLibs.git
      28                 :             : 
      29                 :             : #include <string>
      30                 :             : #include <vector>
      31                 :             : #include <unordered_map>
      32                 :             : 
      33                 :             : namespace ez {
      34                 :             : namespace cnt {
      35                 :             : 
      36                 :             : // this class can be indexed like a vector
      37                 :             : // and searched in like a dico
      38                 :             : template <typename TKey, typename TValue = TKey>
      39                 :             : class DicoVector {
      40                 :             : protected:
      41                 :             :     std::unordered_map<TKey, size_t> m_dico;
      42                 :             :     std::vector<TValue> m_array;
      43                 :             : 
      44                 :             : public:
      45                 :             :     void clear() {
      46                 :             :         m_dico.clear();
      47                 :             :         m_array.clear();
      48                 :             :     }
      49                 :             :     bool empty() const { return m_array.empty(); }
      50                 :             :     size_t size() const { return m_array.size(); }
      51                 :             :     TValue& operator[](const size_t& vIdx) { return m_array[vIdx]; }
      52                 :             :     TValue& at(const size_t& vIdx) { return m_array.at(vIdx); }
      53                 :             :     const TValue& operator[](const size_t& vIdx) const { return m_array[vIdx]; }
      54                 :             :     const TValue& at(const size_t& vIdx) const { return m_array.at(vIdx); }
      55                 :             :     std::unordered_map<TKey, size_t>& getDico() { return m_dico; }
      56                 :             :     const std::unordered_map<TKey, size_t>& getDico() const { return m_dico; }
      57                 :             :     std::vector<TValue>& getArray() { return m_array; }
      58                 :             :     const std::vector<TValue>& getArray() const { return m_array; }
      59                 :             :     typename std::vector<TValue>::iterator begin() { return m_array.begin(); }
      60                 :             :     typename std::vector<TValue>::const_iterator begin() const { return m_array.begin(); }
      61                 :             :     typename std::vector<TValue>::iterator end() { return m_array.end(); }
      62                 :             :     typename std::vector<TValue>::const_iterator end() const { return m_array.end(); }
      63                 :           4 :     bool exist(const TKey& vKey) const { return (m_dico.find(vKey) != m_dico.end()); }
      64                 :             :     TValue& value(const TKey& vKey) { return at(m_dico.at(vKey)); }
      65                 :             :     const TValue& value(const TKey& vKey) const { return at(m_dico.at(vKey)); }
      66                 :             :     void resize(const size_t vNewSize) { m_array.resize(vNewSize); }
      67                 :             :     void resize(const size_t vNewSize, const TValue& vVal) { m_array.resize(vNewSize, vVal); }
      68                 :             :     void reserve(const size_t vNewCapacity) { m_array.reserve(vNewCapacity); }
      69                 :             :     bool erase(const TKey& vKey) {
      70                 :             :         if (exist(vKey)) {
      71                 :             :             // when we erase an entry, there is as issue 
      72                 :             :             // in the vector because the indexs are not more corresponding
      73                 :             :             auto idx = m_dico.at(vKey);
      74                 :             :             for (auto& it : m_dico) {
      75                 :             :                 // we must modify all index greater than the index to delete
      76                 :             :                 if (it.second > idx) {
      77                 :             :                     --it.second;
      78                 :             :                 }
      79                 :             :             }
      80                 :             :             // now we can safely erase the item from both dico and vector
      81                 :             :             m_array.erase(m_array.begin() + idx);
      82                 :             :             m_dico.erase(vKey);
      83                 :             :             return true;
      84                 :             :         }
      85                 :             :         return false;
      86                 :             :     }
      87                 :           3 :     bool tryAdd(const TKey& vKey, const TValue& vValue) {
      88 [ +  + ][ +  - ]:           3 :         if (!exist(vKey)) {
      89                 :           2 :             m_dico[vKey] = m_array.size();
      90                 :           2 :             m_array.push_back(vValue);
      91                 :           2 :             return true;
      92                 :           2 :         }
      93                 :           1 :         return false;
      94                 :           3 :     }
      95                 :             :     template <typename = std::enable_if<std::is_same<TKey, TValue>::value>>
      96                 :           1 :     bool tryAdd(const TKey& vKeyValue) { return tryAdd(vKeyValue, vKeyValue); }
      97                 :           1 :     bool trySetExisting(const TKey& vKey, const TValue& vValue) {
      98         [ +  - ]:           1 :         if (exist(vKey)) {
      99                 :           1 :             auto row = m_dico.at(vKey);
     100                 :           1 :             m_array[row] = vValue;
     101                 :           1 :             return true;
     102                 :           1 :         }
     103                 :           0 :         return false;
     104                 :           1 :     }
     105                 :             :     template <typename = std::enable_if<std::is_same<TKey, TValue>::value>>
     106                 :             :     bool trySetExisting(const TKey& vKeyValue) { return trySetExisting(vKeyValue, vKeyValue); }
     107                 :             :     // the merge can be partialy done, if already key was existing
     108                 :             :     bool tryMerge(const DicoVector<TKey, TValue>& vDico) {
     109                 :             :         bool ret = false;
     110                 :             :         for (const auto& it : vDico.m_dico) {
     111                 :             :             ret |= tryAdd(it.first, vDico.at(it.second));
     112                 :             :         }
     113                 :             :         return ret;
     114                 :             :     }
     115                 :             : };
     116                 :             : 
     117                 :             : }  // namespace cnt
     118                 :             : }  // namespace ez
        

Generated by: LCOV version 2.0-1