audacity::sqlite::details Namespace Reference

Classes
struct	SQLiteFunction
struct	SQLiteFunction< std::function< R(Args...)> >

Typedefs
using	SQLiteFunctorWithArgs = std::function< void(sqlite3_context *, int, sqlite3_value **)>
using	SQLiteFunctor = std::function< void(sqlite3_context *)>

Functions
void	FromSQLiteValue (sqlite3_value &value, bool &result)
void	FromSQLiteValue (sqlite3_value &value, int &result)
void	FromSQLiteValue (sqlite3_value &value, unsigned int &result)
void	FromSQLiteValue (sqlite3_value &value, long &result)
void	FromSQLiteValue (sqlite3_value &value, unsigned long &result)
void	FromSQLiteValue (sqlite3_value &value, long long &result)
void	FromSQLiteValue (sqlite3_value &value, unsigned long long &result)
void	FromSQLiteValue (sqlite3_value &value, double &result)
void	FromSQLiteValue (sqlite3_value &value, float &result)
void	FromSQLiteValue (sqlite3_value &value, std::string &result)
void	FromSQLiteValue (sqlite3_value &value, std::string_view &result)
void	SetSQLiteFunctionResult (sqlite3_context *context, bool value)
void	SetSQLiteFunctionResult (sqlite3_context *context, int value)
void	SetSQLiteFunctionResult (sqlite3_context *context, unsigned int value)
void	SetSQLiteFunctionResult (sqlite3_context *context, long value)
void	SetSQLiteFunctionResult (sqlite3_context *context, unsigned long value)
void	SetSQLiteFunctionResult (sqlite3_context *context, long long value)
void	SetSQLiteFunctionResult (sqlite3_context *context, unsigned long long value)
void	SetSQLiteFunctionResult (sqlite3_context *context, double value)
void	SetSQLiteFunctionResult (sqlite3_context *context, float value)
void	SetSQLiteFunctionResult (sqlite3_context *context, const std::string &value)
void	SetSQLiteFunctionResult (sqlite3_context *context, const std::string_view &value)
void	SetSQLiteFunctionError (sqlite3_context *context, const std::string_view &error)
template<typename T >
std::decay_t< T >	FromSQLiteValue (sqlite3_value &value)
template<typename... Args, std::size_t... Is>
auto	SQLiteValuesToTuple (sqlite3_value **values, std::index_sequence< Is... >)
template<typename CallbackType >
auto	MakeSQLiteFunctorWithArgs (CallbackType callback)
template<typename CallbackType >
constexpr std::size_t	GetFunctionArity ()
template<typename CallbackType >
auto	MakeSQLiteFunctor (CallbackType callback)

Typedef Documentation

SQLiteFunctor

using audacity::sqlite::details::SQLiteFunctor = typedef std::function<void(sqlite3_context*)>

Definition at line 26 of file Function.h.

SQLiteFunctorWithArgs

using audacity::sqlite::details::SQLiteFunctorWithArgs = typedef std::function<void(sqlite3_context*, int, sqlite3_value**)>

Definition at line 23 of file Function.h.

Function Documentation

FromSQLiteValue() [1/12]

template<typename T >

std::decay_t< T > audacity::sqlite::details::FromSQLiteValue

(

sqlite3_value &

value

)

Definition at line 56 of file Function.h.

{
   std::decay_t<T> result;
   FromSQLiteValue(value, result);
   return result;
}

References FromSQLiteValue().

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FromSQLiteValue() [2/12]

SQLITE_HELPERS_API void audacity::sqlite::details::FromSQLiteValue	(	sqlite3_value &	value,
		bool &	result
	)

Definition at line 17 of file Function.cpp.

{
   result = sqlite3_value_int(&value) != 0;
}

Referenced by FromSQLiteValue().

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FromSQLiteValue() [3/12]

SQLITE_HELPERS_API void audacity::sqlite::details::FromSQLiteValue	(	sqlite3_value &	value,
		double &	result
	)

Definition at line 58 of file Function.cpp.

{
   result = sqlite3_value_double(&value);
}

FromSQLiteValue() [4/12]

SQLITE_HELPERS_API void audacity::sqlite::details::FromSQLiteValue	(	sqlite3_value &	value,
		float &	result
	)

Definition at line 63 of file Function.cpp.

{
   result = static_cast<float>(sqlite3_value_double(&value));
}

FromSQLiteValue() [5/12]

SQLITE_HELPERS_API void audacity::sqlite::details::FromSQLiteValue	(	sqlite3_value &	value,
		int &	result
	)

Definition at line 22 of file Function.cpp.

{
   result = sqlite3_value_int(&value);
}

FromSQLiteValue() [6/12]

SQLITE_HELPERS_API void audacity::sqlite::details::FromSQLiteValue	(	sqlite3_value &	value,
		long &	result
	)

Definition at line 32 of file Function.cpp.

{
   if (sizeof(long) == sizeof(int))
      result = sqlite3_value_int(&value);
   else
      result = sqlite3_value_int64(&value);
}

FromSQLiteValue() [7/12]

SQLITE_HELPERS_API void audacity::sqlite::details::FromSQLiteValue	(	sqlite3_value &	value,
		long long &	result
	)

Definition at line 48 of file Function.cpp.

{
   result = sqlite3_value_int64(&value);
}

FromSQLiteValue() [8/12]

SQLITE_HELPERS_API void audacity::sqlite::details::FromSQLiteValue	(	sqlite3_value &	value,
		std::string &	result
	)

Definition at line 68 of file Function.cpp.

{
   const auto* text = reinterpret_cast<const char*>(sqlite3_value_text(&value));
   const auto length = sqlite3_value_bytes(&value);
 
   result.assign(text, length);
}

FromSQLiteValue() [9/12]

SQLITE_HELPERS_API void audacity::sqlite::details::FromSQLiteValue	(	sqlite3_value &	value,
		std::string_view &	result
	)

Definition at line 76 of file Function.cpp.

{
   const auto* text = reinterpret_cast<const char*>(sqlite3_value_text(&value));
   const auto length = sqlite3_value_bytes(&value);
 
   result = std::string_view(text, length);
}

FromSQLiteValue() [10/12]

SQLITE_HELPERS_API void audacity::sqlite::details::FromSQLiteValue	(	sqlite3_value &	value,
		unsigned int &	result
	)

Definition at line 27 of file Function.cpp.

{
   result = std::max({}, sqlite3_value_int(&value));
}

FromSQLiteValue() [11/12]

SQLITE_HELPERS_API void audacity::sqlite::details::FromSQLiteValue	(	sqlite3_value &	value,
		unsigned long &	result
	)

Definition at line 40 of file Function.cpp.

{
   if (sizeof(unsigned long) == sizeof(int))
      result = std::max({}, sqlite3_value_int(&value));
   else
      result = std::max({}, sqlite3_value_int64(&value));
}

FromSQLiteValue() [12/12]

SQLITE_HELPERS_API void audacity::sqlite::details::FromSQLiteValue	(	sqlite3_value &	value,
		unsigned long long &	result
	)

Definition at line 53 of file Function.cpp.

{
   result = std::max({}, sqlite3_value_int64(&value));
}

GetFunctionArity()

template<typename CallbackType >

constexpr std::size_t audacity::sqlite::details::GetFunctionArity ( )

constexpr

Definition at line 130 of file Function.h.

{
   using FunctionType = decltype(std::function { std::declval<CallbackType>() });
   return SQLiteFunction<FunctionType>::Arity;
}

MakeSQLiteFunctor()

template<typename CallbackType >

auto audacity::sqlite::details::MakeSQLiteFunctor

(

CallbackType

callback

)

Definition at line 137 of file Function.h.

{
   using FunctionType = decltype(std::function { callback });
   return SQLiteFunction<FunctionType>::ToSQLiteFunctor(
      std::move(callback));
}

MakeSQLiteFunctorWithArgs()

template<typename CallbackType >

auto audacity::sqlite::details::MakeSQLiteFunctorWithArgs

(

CallbackType

callback

)

Definition at line 122 of file Function.h.

{
   using FunctionType = decltype(std::function { callback });
   return SQLiteFunction<FunctionType>::ToSQLiteFunctorWithArgs(
      std::move(callback));
}

SetSQLiteFunctionError()

SQLITE_HELPERS_API void audacity::sqlite::details::SetSQLiteFunctionError	(	sqlite3_context *	context,
		const std::string_view &	error
	)

Definition at line 146 of file Function.cpp.

{
   sqlite3_result_error(context, error.data(), error.size());
}

Referenced by audacity::sqlite::details::SQLiteFunction< std::function< R(Args...)> >::ToSQLiteFunctorWithArgs().

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SetSQLiteFunctionResult() [1/11]

SQLITE_HELPERS_API void audacity::sqlite::details::SetSQLiteFunctionResult	(	sqlite3_context *	context,
		bool	value
	)

Definition at line 84 of file Function.cpp.

{
   sqlite3_result_int(context, value ? 1 : 0);
}

Referenced by audacity::sqlite::details::SQLiteFunction< std::function< R()> >::ToSQLiteFunctor(), and audacity::sqlite::details::SQLiteFunction< std::function< R(Args...)> >::ToSQLiteFunctorWithArgs().

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SetSQLiteFunctionResult() [2/11]

SQLITE_HELPERS_API void audacity::sqlite::details::SetSQLiteFunctionResult	(	sqlite3_context *	context,
		const std::string &	value
	)

Definition at line 135 of file Function.cpp.

{
   sqlite3_result_text(context, value.c_str(), value.size(), SQLITE_TRANSIENT);
}

SetSQLiteFunctionResult() [3/11]

SQLITE_HELPERS_API void audacity::sqlite::details::SetSQLiteFunctionResult	(	sqlite3_context *	context,
		const std::string_view &	value
	)

Definition at line 140 of file Function.cpp.

{
   sqlite3_result_text(context, value.data(), value.size(), SQLITE_TRANSIENT);
}

SetSQLiteFunctionResult() [4/11]

SQLITE_HELPERS_API void audacity::sqlite::details::SetSQLiteFunctionResult	(	sqlite3_context *	context,
		double	value
	)

Definition at line 125 of file Function.cpp.

{
   sqlite3_result_double(context, value);
}

SetSQLiteFunctionResult() [5/11]

SQLITE_HELPERS_API void audacity::sqlite::details::SetSQLiteFunctionResult	(	sqlite3_context *	context,
		float	value
	)

Definition at line 130 of file Function.cpp.

{
   sqlite3_result_double(context, value);
}

SetSQLiteFunctionResult() [6/11]

SQLITE_HELPERS_API void audacity::sqlite::details::SetSQLiteFunctionResult	(	sqlite3_context *	context,
		int	value
	)

Definition at line 89 of file Function.cpp.

{
   sqlite3_result_int(context, value);
}

SetSQLiteFunctionResult() [7/11]

SQLITE_HELPERS_API void audacity::sqlite::details::SetSQLiteFunctionResult	(	sqlite3_context *	context,
		long long	value
	)

Definition at line 115 of file Function.cpp.

{
   sqlite3_result_int64(context, value);
}

SetSQLiteFunctionResult() [8/11]

SQLITE_HELPERS_API void audacity::sqlite::details::SetSQLiteFunctionResult	(	sqlite3_context *	context,
		long	value
	)

Definition at line 99 of file Function.cpp.

{
   if (sizeof(long) == sizeof(int))
      sqlite3_result_int(context, value);
   else
      sqlite3_result_int64(context, value);
}

SetSQLiteFunctionResult() [9/11]

SQLITE_HELPERS_API void audacity::sqlite::details::SetSQLiteFunctionResult	(	sqlite3_context *	context,
		unsigned int	value
	)

Definition at line 94 of file Function.cpp.

{
   sqlite3_result_int(context, value);
}

SetSQLiteFunctionResult() [10/11]

SQLITE_HELPERS_API void audacity::sqlite::details::SetSQLiteFunctionResult	(	sqlite3_context *	context,
		unsigned long long	value
	)

Definition at line 120 of file Function.cpp.

{
   sqlite3_result_int64(context, value);
}

SetSQLiteFunctionResult() [11/11]

SQLITE_HELPERS_API void audacity::sqlite::details::SetSQLiteFunctionResult	(	sqlite3_context *	context,
		unsigned long	value
	)

Definition at line 107 of file Function.cpp.

{
   if (sizeof(long) == sizeof(int))
      sqlite3_result_int(context, value);
   else
      sqlite3_result_int64(context, value);
}

SQLiteValuesToTuple()

template<typename... Args, std::size_t... Is>

auto audacity::sqlite::details::SQLiteValuesToTuple	(	sqlite3_value **	values,
		std::index_sequence< Is... >
	)

Definition at line 64 of file Function.h.

{
   return std::make_tuple(FromSQLiteValue<Args>(*values[Is])...);
}

References values.