///////////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteManagedModule.Column" /> method.
/// </summary>
/// <param name="cursor">
/// See the <see cref="ISQLiteManagedModule.Column" /> method.
/// </param>
/// <param name="context">
/// See the <see cref="ISQLiteManagedModule.Column" /> method.
/// </param>
/// <param name="index">
/// See the <see cref="ISQLiteManagedModule.Column" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteManagedModule.Column" /> method.
/// </returns>
public override SQLiteErrorCode Column(
SQLiteVirtualTableCursor cursor,
SQLiteContext context,
int index
)
{
CheckDisposed();
SQLiteVirtualTableCursorEnumerator enumeratorCursor =
cursor as SQLiteVirtualTableCursorEnumerator;
if (enumeratorCursor == null)
{
return(CursorTypeMismatchError(cursor));
}
if (enumeratorCursor.EndOfEnumerator)
{
return(CursorEndOfEnumeratorError(cursor));
}
object current = enumeratorCursor.Current;
if (current != null)
{
context.SetString(GetStringFromObject(cursor, current));
}
else
{
context.SetNull();
}
return(SQLiteErrorCode.Ok);
}
///////////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteManagedModule.RowId" /> method.
/// </summary>
/// <param name="cursor">
/// See the <see cref="ISQLiteManagedModule.RowId" /> method.
/// </param>
/// <param name="rowId">
/// See the <see cref="ISQLiteManagedModule.RowId" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteManagedModule.RowId" /> method.
/// </returns>
public override SQLiteErrorCode RowId(
SQLiteVirtualTableCursor cursor,
ref long rowId
)
{
CheckDisposed();
SQLiteVirtualTableCursorEnumerator enumeratorCursor =
cursor as SQLiteVirtualTableCursorEnumerator;
if (enumeratorCursor == null)
{
return(CursorTypeMismatchError(cursor));
}
if (enumeratorCursor.EndOfEnumerator)
{
return(CursorEndOfEnumeratorError(cursor));
}
object current = enumeratorCursor.Current;
rowId = GetRowIdFromObject(cursor, current);
return(SQLiteErrorCode.Ok);
}
///////////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteManagedModule.Open" /> method.
/// </summary>
/// <param name="table">
/// See the <see cref="ISQLiteManagedModule.Open" /> method.
/// </param>
/// <param name="cursor">
/// See the <see cref="ISQLiteManagedModule.Open" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteManagedModule.Open" /> method.
/// </returns>
public override SQLiteErrorCode Open(
SQLiteVirtualTable table,
ref SQLiteVirtualTableCursor cursor
)
{
CheckDisposed();
cursor = new SQLiteVirtualTableCursorEnumerator(
table, enumerable.GetEnumerator());
return(SQLiteErrorCode.Ok);
}
///////////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteManagedModule.Eof" /> method.
/// </summary>
/// <param name="cursor">
/// See the <see cref="ISQLiteManagedModule.Eof" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteManagedModule.Eof" /> method.
/// </returns>
public override bool Eof(
SQLiteVirtualTableCursor cursor
)
{
CheckDisposed();
SQLiteVirtualTableCursorEnumerator enumeratorCursor =
cursor as SQLiteVirtualTableCursorEnumerator;
if (enumeratorCursor == null)
{
return(ResultCodeToEofResult(CursorTypeMismatchError(cursor)));
}
return(enumeratorCursor.EndOfEnumerator);
}
///////////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteManagedModule.Close" /> method.
/// </summary>
/// <param name="cursor">
/// See the <see cref="ISQLiteManagedModule.Close" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteManagedModule.Close" /> method.
/// </returns>
public override SQLiteErrorCode Close(
SQLiteVirtualTableCursor cursor
)
{
CheckDisposed();
SQLiteVirtualTableCursorEnumerator enumeratorCursor =
cursor as SQLiteVirtualTableCursorEnumerator;
if (enumeratorCursor == null)
{
return(CursorTypeMismatchError(cursor));
}
enumeratorCursor.Close();
return(SQLiteErrorCode.Ok);
}
///////////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteManagedModule.Next" /> method.
/// </summary>
/// <param name="cursor">
/// See the <see cref="ISQLiteManagedModule.Next" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteManagedModule.Next" /> method.
/// </returns>
public override SQLiteErrorCode Next(
SQLiteVirtualTableCursor cursor
)
{
CheckDisposed();
SQLiteVirtualTableCursorEnumerator enumeratorCursor =
cursor as SQLiteVirtualTableCursorEnumerator;
if (enumeratorCursor == null)
{
return(CursorTypeMismatchError(cursor));
}
if (enumeratorCursor.EndOfEnumerator)
{
return(CursorEndOfEnumeratorError(cursor));
}
enumeratorCursor.MoveNext(); /* IGNORED */
return(SQLiteErrorCode.Ok);
}
///////////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteManagedModule.Filter" /> method.
/// </summary>
/// <param name="cursor">
/// See the <see cref="ISQLiteManagedModule.Filter" /> method.
/// </param>
/// <param name="indexNumber">
/// See the <see cref="ISQLiteManagedModule.Filter" /> method.
/// </param>
/// <param name="indexString">
/// See the <see cref="ISQLiteManagedModule.Filter" /> method.
/// </param>
/// <param name="values">
/// See the <see cref="ISQLiteManagedModule.Filter" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteManagedModule.Filter" /> method.
/// </returns>
public override SQLiteErrorCode Filter(
SQLiteVirtualTableCursor cursor,
int indexNumber,
string indexString,
SQLiteValue[] values
)
{
CheckDisposed();
SQLiteVirtualTableCursorEnumerator enumeratorCursor =
cursor as SQLiteVirtualTableCursorEnumerator;
if (enumeratorCursor == null)
{
return(CursorTypeMismatchError(cursor));
}
enumeratorCursor.Filter(indexNumber, indexString, values);
enumeratorCursor.Reset(); /* NO RESULT */
enumeratorCursor.MoveNext(); /* IGNORED */
return(SQLiteErrorCode.Ok);
}
