LCOV - code coverage report
Current view: top level - libgnucash/backend/dbi - gnc-dbisqlresult.hpp (source / functions) Coverage Total Hit
Test: gnucash.info Lines: 0.0 % 10 0
Test Date: 2025-02-07 16:25:45 Functions: 0.0 % 7 0
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: - 0 0

             Branch data     Line data    Source code
       1                 :             : /********************************************************************
       2                 :             :  * gnc-dbisqlresult.hpp: Iterable wrapper for dbi_result.           *
       3                 :             :  *                                                                  *
       4                 :             :  * Copyright 2016 John Ralls <jralls@ceridwen.us                    *
       5                 :             :  *                                                                  *
       6                 :             :  * This program is free software; you can redistribute it and/or    *
       7                 :             :  * modify it under the terms of the GNU General Public License as   *
       8                 :             :  * published by the Free Software Foundation; either version 2 of   *
       9                 :             :  * the License, or (at your option) any later version.              *
      10                 :             :  *                                                                  *
      11                 :             :  * This program is distributed in the hope that it will be useful,  *
      12                 :             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of   *
      13                 :             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    *
      14                 :             :  * GNU General Public License for more details.                     *
      15                 :             :  *                                                                  *
      16                 :             :  * You should have received a copy of the GNU General Public License*
      17                 :             :  * along with this program; if not, contact:                        *
      18                 :             :  *                                                                  *
      19                 :             :  * Free Software Foundation           Voice:  +1-617-542-5942       *
      20                 :             :  * 51 Franklin Street, Fifth Floor    Fax:    +1-617-542-2652       *
      21                 :             :  * Boston, MA  02110-1301,  USA       gnu@gnu.org                   *
      22                 :             : \********************************************************************/
      23                 :             : 
      24                 :             : /* Private structures and variables for gnc-backend-dbi.c and its unit tests */
      25                 :             : #ifndef __GNC_DBISQLBACKEND_HPP__
      26                 :             : #define __GNC_DBISQLBACKEND_HPP__
      27                 :             : 
      28                 :             : #include <optional>
      29                 :             : #include <cstdint>
      30                 :             : 
      31                 :             : #include "gnc-backend-dbi.h"
      32                 :             : #include <gnc-sql-result.hpp>
      33                 :             : 
      34                 :             : class GncDbiSqlConnection;
      35                 :             : 
      36                 :             : /**
      37                 :             :  * An iterable wrapper for dbi_result; allows using C++11 range for.
      38                 :             :  */
      39                 :             : class GncDbiSqlResult : public GncSqlResult
      40                 :             : {
      41                 :             : public:
      42                 :           0 :     GncDbiSqlResult(const GncDbiSqlConnection* conn, dbi_result result) :
      43                 :           0 :         m_conn{conn}, m_dbi_result{result}, m_iter{this}, m_row{&m_iter},
      44                 :           0 :         m_sentinel{nullptr} {}
      45                 :             :     ~GncDbiSqlResult();
      46                 :             :     uint64_t size() const noexcept;
      47                 :             :     int dberror() const noexcept;
      48                 :             :     GncSqlRow& begin();
      49                 :           0 :     GncSqlRow& end() { return m_sentinel; }
      50                 :             : protected:
      51                 :             :     class IteratorImpl : public GncSqlResult::IteratorImpl
      52                 :             :     {
      53                 :             :     public:
      54                 :           0 :         ~IteratorImpl() = default;
      55                 :           0 :         IteratorImpl(GncDbiSqlResult* inst) : m_inst{inst} {}
      56                 :             :         virtual GncSqlRow& operator++();
      57                 :           0 :         virtual GncSqlRow& operator++(int) { return ++(*this); };
      58                 :           0 :         virtual GncSqlResult* operator*() { return m_inst; }
      59                 :             :         virtual std::optional<int64_t> get_int_at_col (const char* col) const;
      60                 :             :         virtual std::optional<double> get_float_at_col (const char* col) const;
      61                 :             :         virtual std::optional<double> get_double_at_col (const char* col) const;
      62                 :             :         virtual std::optional<std::string> get_string_at_col (const char* col)const;
      63                 :             :         virtual std::optional<time64> get_time64_at_col (const char* col) const;
      64                 :           0 :         virtual bool is_col_null(const char* col) const noexcept
      65                 :             :         {
      66                 :           0 :             return dbi_result_field_is_null(m_inst->m_dbi_result, col);
      67                 :             :         }
      68                 :             :     private:
      69                 :             :         GncDbiSqlResult* m_inst = nullptr;
      70                 :             :     };
      71                 :             : 
      72                 :             : private:
      73                 :             :     const GncDbiSqlConnection* m_conn = nullptr;
      74                 :             :     dbi_result m_dbi_result;
      75                 :             :     IteratorImpl m_iter;
      76                 :             :     GncSqlRow m_row;
      77                 :             :     GncSqlRow m_sentinel;
      78                 :             : 
      79                 :             : };
      80                 :             : 
      81                 :             : #endif //__GNC_DBISQLRESULT_HPP__
        

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