mirror of
https://github.com/rbock/sqlpp11.git
synced 2026-01-06 21:20:42 -06:00
124 lines
3.1 KiB
C++
124 lines
3.1 KiB
C++
/*
|
|
* Copyright (c) 2013, Roland Bock
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
|
* are permitted provided that the following conditions are met:
|
|
*
|
|
* Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* Redistributions in binary form must reproduce the above copyright notice, this
|
|
* list of conditions and the following disclaimer in the documentation and/or
|
|
* other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
|
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
|
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef SQLPP_RESULT_H
|
|
#define SQLPP_RESULT_H
|
|
|
|
#include <sqlpp11/raw_result_row.h>
|
|
|
|
#include <iostream>
|
|
|
|
namespace sqlpp
|
|
{
|
|
template<typename Db, typename ResultRow>
|
|
class result_t
|
|
{
|
|
using db_result_t = typename Db::_result_t;
|
|
|
|
db_result_t _result;
|
|
raw_result_row_t _raw_result_row;
|
|
raw_result_row_t _end;
|
|
|
|
public:
|
|
result_t(db_result_t&& result):
|
|
_result(std::forward<db_result_t>(result)),
|
|
_raw_result_row(_result.next()),
|
|
_end({})
|
|
{}
|
|
|
|
result_t(const result_t&) = delete;
|
|
result_t(result_t&&) = default;
|
|
result_t& operator=(const result_t&) = delete;
|
|
result_t& operator=(result_t&&) = default;
|
|
|
|
// Iterator
|
|
class iterator
|
|
{
|
|
public:
|
|
iterator(db_result_t& result, raw_result_row_t& raw_result_row):
|
|
_result(result),
|
|
_raw_result_row(raw_result_row),
|
|
_result_row(_raw_result_row)
|
|
{
|
|
std::cerr << "result::iterator::constructor" << std::endl;
|
|
}
|
|
|
|
const ResultRow& operator*() const
|
|
{
|
|
return _result_row;
|
|
}
|
|
|
|
const ResultRow* operator->() const
|
|
{
|
|
return &_result_row;
|
|
}
|
|
|
|
bool operator==(const iterator& rhs) const
|
|
{
|
|
return _result == rhs._result and _raw_result_row == rhs._raw_result_row;
|
|
}
|
|
|
|
bool operator!=(const iterator& rhs) const
|
|
{
|
|
return not (operator==(rhs));
|
|
}
|
|
|
|
void operator++()
|
|
{
|
|
_raw_result_row = _result.next();
|
|
_result_row = _raw_result_row;
|
|
}
|
|
|
|
db_result_t& _result;
|
|
raw_result_row_t& _raw_result_row;
|
|
ResultRow _result_row;
|
|
};
|
|
|
|
iterator begin()
|
|
{
|
|
return iterator(_result, _raw_result_row);
|
|
}
|
|
|
|
iterator end()
|
|
{
|
|
return iterator(_result, _end);
|
|
}
|
|
|
|
const ResultRow operator*()
|
|
{
|
|
return {_raw_result_row};
|
|
}
|
|
|
|
iterator operator->()
|
|
{
|
|
return begin();
|
|
}
|
|
|
|
};
|
|
}
|
|
|
|
#endif
|