/// <summary>
/// This function binds a user-defined functions to a connection.
/// </summary>
/// <param name="sqliteBase">
/// The <see cref="SQLiteBase" /> object instance associated with the
/// <see cref="SQLiteConnection" /> that the function should be bound to.
/// </param>
/// <param name="functionAttribute">
/// The <see cref="SQLiteFunctionAttribute"/> object instance containing
/// the metadata for the function to be bound.
/// </param>
/// <param name="function">
/// The <see cref="SQLiteFunction"/> object instance that implements the
/// function to be bound.
/// </param>
/// <param name="flags">
/// The flags associated with the parent connection object.
/// </param>
internal static void BindFunction(
SQLiteBase sqliteBase,
SQLiteFunctionAttribute functionAttribute,
SQLiteFunction function,
SQLiteConnectionFlags flags
)
{
if (sqliteBase == null)
{
throw new ArgumentNullException("sqliteBase");
}
if (functionAttribute == null)
{
throw new ArgumentNullException("functionAttribute");
}
if (function == null)
{
throw new ArgumentNullException("function");
}
FunctionType functionType = functionAttribute.FuncType;
function._base = sqliteBase;
function._flags = flags;
function._InvokeFunc = (functionType == FunctionType.Scalar) ?
new SQLiteCallback(function.ScalarCallback) : null;
function._StepFunc = (functionType == FunctionType.Aggregate) ?
new SQLiteCallback(function.StepCallback) : null;
function._FinalFunc = (functionType == FunctionType.Aggregate) ?
new SQLiteFinalCallback(function.FinalCallback) : null;
function._CompareFunc = (functionType == FunctionType.Collation) ?
new SQLiteCollation(function.CompareCallback) : null;
function._CompareFunc16 = (functionType == FunctionType.Collation) ?
new SQLiteCollation(function.CompareCallback16) : null;
string name = functionAttribute.Name;
if (functionType != FunctionType.Collation)
{
bool needCollSeq = (function is SQLiteFunctionEx);
sqliteBase.CreateFunction(
name, functionAttribute.Arguments, needCollSeq,
function._InvokeFunc, function._StepFunc,
function._FinalFunc);
}
else
{
sqliteBase.CreateCollation(
name, function._CompareFunc, function._CompareFunc16);
}
}
/// <summary>
/// This function binds a user-defined functions to a connection.
/// </summary>
/// <param name="sqliteBase">
/// The <see cref="SQLiteBase" /> object instance associated with the
/// <see cref="SQLiteConnection" /> that the function should be bound to.
/// </param>
/// <param name="functionAttribute">
/// The <see cref="SQLiteFunctionAttribute"/> object instance containing
/// the metadata for the function to be bound.
/// </param>
/// <param name="function">
/// The <see cref="SQLiteFunction"/> object instance that implements the
/// function to be bound.
/// </param>
/// <param name="flags">
/// The flags associated with the parent connection object.
/// </param>
internal static void BindFunction(
SQLiteBase sqliteBase,
SQLiteFunctionAttribute functionAttribute,
SQLiteFunction function,
SQLiteConnectionFlags flags
)
{
if (sqliteBase == null)
throw new ArgumentNullException("sqliteBase");
if (functionAttribute == null)
throw new ArgumentNullException("functionAttribute");
if (function == null)
throw new ArgumentNullException("function");
FunctionType functionType = functionAttribute.FuncType;
function._base = sqliteBase;
function._flags = flags;
function._InvokeFunc = (functionType == FunctionType.Scalar) ?
new SQLiteCallback(function.ScalarCallback) : null;
function._StepFunc = (functionType == FunctionType.Aggregate) ?
new SQLiteCallback(function.StepCallback) : null;
function._FinalFunc = (functionType == FunctionType.Aggregate) ?
new SQLiteFinalCallback(function.FinalCallback) : null;
function._CompareFunc = (functionType == FunctionType.Collation) ?
new SQLiteCollation(function.CompareCallback) : null;
function._CompareFunc16 = (functionType == FunctionType.Collation) ?
new SQLiteCollation(function.CompareCallback16) : null;
string name = functionAttribute.Name;
if (functionType != FunctionType.Collation)
{
bool needCollSeq = (function is SQLiteFunctionEx);
sqliteBase.CreateFunction(
name, functionAttribute.Arguments, needCollSeq,
function._InvokeFunc, function._StepFunc,
function._FinalFunc);
}
else
{
sqliteBase.CreateCollation(
name, function._CompareFunc, function._CompareFunc16);
}
}
/// <summary>
/// This function binds a user-defined function to the connection.
/// </summary>
/// <param name="functionAttribute">
/// The <see cref="SQLiteFunctionAttribute"/> object instance containing
/// the metadata for the function to be bound.
/// </param>
/// <param name="function">
/// The <see cref="SQLiteFunction"/> object instance that implements the
/// function to be bound.
/// </param>
/// <param name="flags">
/// The flags associated with the parent connection object.
/// </param>
internal override void BindFunction(
SQLiteFunctionAttribute functionAttribute,
SQLiteFunction function,
SQLiteConnectionFlags flags
)
{
SQLiteFunction.BindFunction(this, functionAttribute, function, flags);
if (_functions == null)
_functions = new List<SQLiteFunction>();
_functions.Add(function);
}
/// <summary> /// This function binds a user-defined functions to the connection. /// </summary> /// <param name="functionAttribute"> /// The <see cref="SQLiteFunctionAttribute"/> object instance containing /// the metadata for the function to be bound. /// </param> /// <param name="function"> /// The <see cref="SQLiteFunction"/> object instance that implements the /// function to be bound. /// </param> /// <param name="flags"> /// The flags associated with the parent connection object. /// </param> internal abstract void BindFunction(SQLiteFunctionAttribute functionAttribute, SQLiteFunction function, SQLiteConnectionFlags flags);