/**
* inf_adopted_request_affects_buffer:
* @request: A #InfAdoptedRequest.
*
* Returns whether this request, when applied, changes the content of the
* buffer. If this is a %INF_ADOPTED_REQUEST_UNDO or %INF_ADOPTED_REQUEST_REDO
* request, than it always affects the buffer, because only requests that
* affect the buffer can be undone or redone. If it is a
* %INF_ADOPTED_REQUEST_DO request, than it returns whether its operation
* has the %INF_ADOPTED_OPERATION_AFFECTS_BUFFER flag set.
*
* Returns: Whether @request affects the session's buffer.
**/
gboolean
inf_adopted_request_affects_buffer(InfAdoptedRequest* request)
{
InfAdoptedRequestPrivate* priv;
g_return_val_if_fail(INF_ADOPTED_IS_REQUEST(request), FALSE);
priv = INF_ADOPTED_REQUEST_PRIVATE(request);
switch(priv->type)
{
case INF_ADOPTED_REQUEST_DO:
if(inf_adopted_operation_get_flags(priv->operation) &
INF_ADOPTED_OPERATION_AFFECTS_BUFFER)
{
return TRUE;
}
else
{
return FALSE;
}
case INF_ADOPTED_REQUEST_UNDO:
case INF_ADOPTED_REQUEST_REDO:
return TRUE;
default:
g_assert_not_reached();
return FALSE;
}
}
/**
* inf_adopted_operation_is_reversible:
* @operation: A #InfAdoptedOperation.
*
* Returns whether @operation is reversible.
*
* Return Value: Whether @operation is reversible.
**/
gboolean
inf_adopted_operation_is_reversible(InfAdoptedOperation* operation)
{
InfAdoptedOperationFlags flags;
g_return_val_if_fail(INF_ADOPTED_IS_OPERATION(operation), FALSE);
flags = inf_adopted_operation_get_flags(operation);
if( (flags & INF_ADOPTED_OPERATION_REVERSIBLE) != 0)
return TRUE;
else
return FALSE;
}
