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Merge pull request #110 from c-dilks/mv-variadic-bind
fix: move `VariadicBind` to after `Statement`
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@@ -159,78 +159,6 @@ namespace SQLite | |
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} // namespace SQLite | ||
/** | ||
* @file VariadicBind.h | ||
* @ingroup SQLiteCpp | ||
* @brief Convenience function for Statement::bind(...) | ||
* | ||
* Copyright (c) 2016 Paul Dreik ([email protected]) | ||
* Copyright (c) 2016 Sebastien Rombauts ([email protected]) | ||
* | ||
* Distributed under the MIT License (MIT) (See accompanying file LICENSE.txt | ||
* or copy at http://opensource.org/licenses/MIT) | ||
*/ | ||
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#if (__cplusplus >= 201402L) || ( defined(_MSC_VER) && (_MSC_VER >= 1900) ) // c++14: Visual Studio 2015 | ||
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/// @cond | ||
#include <initializer_list> | ||
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namespace SQLite | ||
{ | ||
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/// implementation detail for variadic bind. | ||
namespace detail { | ||
template<class F, class ...Args, std::size_t ... I> | ||
inline void invoke_with_index(F&& f, std::integer_sequence<std::size_t, I...>, const Args& ...args) | ||
{ | ||
std::initializer_list<int> { (f(I+1, args), 0)... }; | ||
} | ||
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/// implementation detail for variadic bind. | ||
template<class F, class ...Args> | ||
inline void invoke_with_index(F&& f, const Args& ... args) | ||
{ | ||
invoke_with_index(std::forward<F>(f), std::index_sequence_for<Args...>(), args...); | ||
} | ||
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} // namespace detail | ||
/// @endcond | ||
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/** | ||
* \brief Convenience function for calling Statement::bind(...) once for each argument given. | ||
* | ||
* This takes care of incrementing the index between each calls to bind. | ||
* | ||
* This feature requires a c++14 capable compiler. | ||
* | ||
* \code{.cpp} | ||
* SQLite::Statement stm("SELECT * FROM MyTable WHERE colA>? && colB=? && colC<?"); | ||
* bind(stm,a,b,c); | ||
* //...is equivalent to | ||
* stm.bind(1,a); | ||
* stm.bind(2,b); | ||
* stm.bind(3,c); | ||
* \endcode | ||
* @param s statement | ||
* @param args one or more args to bind. | ||
*/ | ||
template<class ...Args> | ||
void bind(Statement& s, const Args& ... args) | ||
{ | ||
static_assert(sizeof...(args) > 0, "please invoke bind with one or more args"); | ||
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auto f=[&s](std::size_t index, const auto& value) | ||
{ | ||
s.bind(index, value); | ||
}; | ||
detail::invoke_with_index(f, args...); | ||
} | ||
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} // namespace SQLite | ||
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#endif // c++14 | ||
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/** | ||
* @file Statement.h | ||
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@@ -876,6 +804,81 @@ namespace SQLite | |
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} // namespace SQLite | ||
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/** | ||
* @file VariadicBind.h | ||
* @ingroup SQLiteCpp | ||
* @brief Convenience function for Statement::bind(...) | ||
* | ||
* Copyright (c) 2016 Paul Dreik ([email protected]) | ||
* Copyright (c) 2016 Sebastien Rombauts ([email protected]) | ||
* | ||
* Distributed under the MIT License (MIT) (See accompanying file LICENSE.txt | ||
* or copy at http://opensource.org/licenses/MIT) | ||
*/ | ||
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#if (__cplusplus >= 201402L) || ( defined(_MSC_VER) && (_MSC_VER >= 1900) ) // c++14: Visual Studio 2015 | ||
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/// @cond | ||
#include <initializer_list> | ||
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namespace SQLite | ||
{ | ||
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/// implementation detail for variadic bind. | ||
namespace detail { | ||
template<class F, class ...Args, std::size_t ... I> | ||
inline void invoke_with_index(F&& f, std::integer_sequence<std::size_t, I...>, const Args& ...args) | ||
{ | ||
std::initializer_list<int> { (f(I+1, args), 0)... }; | ||
} | ||
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/// implementation detail for variadic bind. | ||
template<class F, class ...Args> | ||
inline void invoke_with_index(F&& f, const Args& ... args) | ||
{ | ||
invoke_with_index(std::forward<F>(f), std::index_sequence_for<Args...>(), args...); | ||
} | ||
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} // namespace detail | ||
/// @endcond | ||
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/** | ||
* \brief Convenience function for calling Statement::bind(...) once for each argument given. | ||
* | ||
* This takes care of incrementing the index between each calls to bind. | ||
* | ||
* This feature requires a c++14 capable compiler. | ||
* | ||
* \code{.cpp} | ||
* SQLite::Statement stm("SELECT * FROM MyTable WHERE colA>? && colB=? && colC<?"); | ||
* bind(stm,a,b,c); | ||
* //...is equivalent to | ||
* stm.bind(1,a); | ||
* stm.bind(2,b); | ||
* stm.bind(3,c); | ||
* \endcode | ||
* @param s statement | ||
* @param args one or more args to bind. | ||
*/ | ||
template<class ...Args> | ||
void bind(SQLite::Statement& s, const Args& ... args) | ||
{ | ||
static_assert(sizeof...(args) > 0, "please invoke bind with one or more args"); | ||
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auto f=[&s](std::size_t index, const auto& value) | ||
{ | ||
s.bind(index, value); | ||
}; | ||
detail::invoke_with_index(f, args...); | ||
} | ||
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} // namespace SQLite | ||
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#endif // c++14 | ||
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/** | ||
* @file Column.h | ||
* @ingroup SQLiteCpp | ||
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