protected virtual long GetRowIdFromObject(SQLiteVirtualTableCursor cursor, object value)
{
int num = (cursor != null ? cursor.GetRowIndex() : 0);
int hashCode = SQLiteMarshal.GetHashCode(value, this.objectIdentity);
return(this.MakeRowId(num, hashCode));
}
public override SQLiteErrorCode Column(SQLiteVirtualTableCursor cursor, SQLiteContext context, int index)
{
this.CheckDisposed();
SQLiteVirtualTableCursorEnumerator sQLiteVirtualTableCursorEnumerator = cursor as SQLiteVirtualTableCursorEnumerator;
if (sQLiteVirtualTableCursorEnumerator == null)
{
return(this.CursorTypeMismatchError(cursor, typeof(SQLiteVirtualTableCursorEnumerator)));
}
if (sQLiteVirtualTableCursorEnumerator.EndOfEnumerator)
{
return(this.CursorEndOfEnumeratorError(cursor));
}
object current = sQLiteVirtualTableCursorEnumerator.Current;
if (current == null)
{
context.SetNull();
}
else
{
context.SetString(this.GetStringFromObject(cursor, current));
}
return(SQLiteErrorCode.Ok);
}
public override bool Eof(SQLiteVirtualTableCursor cursor)
{
this.CheckDisposed();
SQLiteVirtualTableCursorEnumerator sQLiteVirtualTableCursorEnumerator = cursor as SQLiteVirtualTableCursorEnumerator;
if (sQLiteVirtualTableCursorEnumerator != null)
{
return(sQLiteVirtualTableCursorEnumerator.EndOfEnumerator);
}
return(this.ResultCodeToEofResult(this.CursorTypeMismatchError(cursor, typeof(SQLiteVirtualTableCursorEnumerator))));
}
protected virtual string GetStringFromObject(SQLiteVirtualTableCursor cursor, object value)
{
if (value == null)
{
return(null);
}
if (value is string)
{
return((string)value);
}
return(value.ToString());
}
public override SQLiteErrorCode Close(SQLiteVirtualTableCursor cursor)
{
this.CheckDisposed();
SQLiteVirtualTableCursorEnumerator sQLiteVirtualTableCursorEnumerator = cursor as SQLiteVirtualTableCursorEnumerator;
if (sQLiteVirtualTableCursorEnumerator != null)
{
sQLiteVirtualTableCursorEnumerator.Close();
return(SQLiteErrorCode.Ok);
}
return(this.CursorTypeMismatchError(cursor, typeof(SQLiteVirtualTableCursorEnumerator)));
}
public override SQLiteErrorCode Filter(SQLiteVirtualTableCursor cursor, int indexNumber, string indexString, SQLiteValue[] values)
{
this.CheckDisposed();
SQLiteVirtualTableCursorEnumerator sQLiteVirtualTableCursorEnumerator = cursor as SQLiteVirtualTableCursorEnumerator;
if (sQLiteVirtualTableCursorEnumerator == null)
{
return(this.CursorTypeMismatchError(cursor, typeof(SQLiteVirtualTableCursorEnumerator)));
}
sQLiteVirtualTableCursorEnumerator.Filter(indexNumber, indexString, values);
sQLiteVirtualTableCursorEnumerator.Reset();
sQLiteVirtualTableCursorEnumerator.MoveNext();
return(SQLiteErrorCode.Ok);
}
protected virtual SQLiteErrorCode CursorTypeMismatchError(SQLiteVirtualTableCursor cursor, Type type)
{
if (type == null)
{
this.SetCursorError(cursor, "cursor type mismatch");
}
else
{
CultureInfo currentCulture = CultureInfo.CurrentCulture;
object[] objArray = new object[] { type };
this.SetCursorError(cursor, HelperMethods.StringFormat(currentCulture, "not a \"{0}\" cursor", objArray));
}
return(SQLiteErrorCode.Error);
}
public override SQLiteErrorCode RowId(SQLiteVirtualTableCursor cursor, ref long rowId)
{
this.CheckDisposed();
SQLiteVirtualTableCursorEnumerator sQLiteVirtualTableCursorEnumerator = cursor as SQLiteVirtualTableCursorEnumerator;
if (sQLiteVirtualTableCursorEnumerator == null)
{
return(this.CursorTypeMismatchError(cursor, typeof(SQLiteVirtualTableCursorEnumerator)));
}
if (sQLiteVirtualTableCursorEnumerator.EndOfEnumerator)
{
return(this.CursorEndOfEnumeratorError(cursor));
}
rowId = this.GetRowIdFromObject(cursor, sQLiteVirtualTableCursorEnumerator.Current);
return(SQLiteErrorCode.Ok);
}
public override SQLiteErrorCode Next(SQLiteVirtualTableCursor cursor)
{
this.CheckDisposed();
SQLiteVirtualTableCursorEnumerator sQLiteVirtualTableCursorEnumerator = cursor as SQLiteVirtualTableCursorEnumerator;
if (sQLiteVirtualTableCursorEnumerator == null)
{
return(this.CursorTypeMismatchError(cursor, typeof(SQLiteVirtualTableCursorEnumerator)));
}
if (sQLiteVirtualTableCursorEnumerator.EndOfEnumerator)
{
return(this.CursorEndOfEnumeratorError(cursor));
}
sQLiteVirtualTableCursorEnumerator.MoveNext();
return(SQLiteErrorCode.Ok);
}
public override SQLiteErrorCode Column(SQLiteVirtualTableCursor cursor, SQLiteContext context, int index)
{
this.CheckDisposed();
return(this.GetMethodResultCode("Column"));
}
public override SQLiteErrorCode Close(SQLiteVirtualTableCursor cursor)
{
this.CheckDisposed();
return(this.GetMethodResultCode("Close"));
}
public override SQLiteErrorCode RowId(SQLiteVirtualTableCursor cursor, ref long rowId)
{
this.CheckDisposed();
return(this.GetMethodResultCode("RowId"));
}
public override SQLiteErrorCode Open(SQLiteVirtualTable table, ref SQLiteVirtualTableCursor cursor)
{
this.CheckDisposed();
return(this.GetMethodResultCode("Open"));
}
public override SQLiteErrorCode Open(SQLiteVirtualTable table, ref SQLiteVirtualTableCursor cursor)
{
this.CheckDisposed();
cursor = new SQLiteVirtualTableCursorEnumerator(table, this.enumerable.GetEnumerator());
return(SQLiteErrorCode.Ok);
}
public override bool Eof(SQLiteVirtualTableCursor cursor)
{
this.CheckDisposed();
return(this.ResultCodeToEofResult(this.GetMethodResultCode("Eof")));
}
public override SQLiteErrorCode Filter(SQLiteVirtualTableCursor cursor, int indexNumber, string indexString, SQLiteValue[] values)
{
this.CheckDisposed();
return(this.GetMethodResultCode("Filter"));
}
protected virtual SQLiteErrorCode CursorEndOfEnumeratorError(SQLiteVirtualTableCursor cursor)
{
this.SetCursorError(cursor, "already hit end of enumerator");
return(SQLiteErrorCode.Error);
}