static void
inf_text_default_delete_operation_apply(InfAdoptedOperation* operation,
InfAdoptedUser* by,
InfBuffer* buffer)
{
InfTextDefaultDeleteOperationPrivate* priv;
g_assert(INF_TEXT_IS_DEFAULT_DELETE_OPERATION(operation));
g_assert(INF_TEXT_IS_BUFFER(buffer));
priv = INF_TEXT_DEFAULT_DELETE_OPERATION_PRIVATE(operation);
#ifdef DELETE_OPERATION_CHECK_TEXT_MATCH
g_assert(
inf_text_default_delete_operation_text_match(
INF_TEXT_DEFAULT_DELETE_OPERATION(operation),
INF_TEXT_BUFFER(buffer)
)
);
#endif /* DELETE_OPERATION_CHECK_TEXT_MATCH */
inf_text_buffer_erase_text(
INF_TEXT_BUFFER(buffer),
priv->position,
inf_text_chunk_get_length(priv->chunk),
INF_USER(by)
);
}
static void
inf_text_default_delete_operation_get_property(GObject* object,
guint prop_id,
GValue* value,
GParamSpec* pspec)
{
InfTextDefaultDeleteOperation* operation;
InfTextDefaultDeleteOperationPrivate* priv;
operation = INF_TEXT_DEFAULT_DELETE_OPERATION(object);
priv = INF_TEXT_DEFAULT_DELETE_OPERATION_PRIVATE(operation);
switch(prop_id)
{
case PROP_POSITION:
g_value_set_uint(value, priv->position);
break;
case PROP_CHUNK:
g_value_set_boxed(value, priv->chunk);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
inf_text_default_delete_operation_init(GTypeInstance* instance,
gpointer g_class)
{
InfTextDefaultDeleteOperation* operation;
InfTextDefaultDeleteOperationPrivate* priv;
operation = INF_TEXT_DEFAULT_DELETE_OPERATION(instance);
priv = INF_TEXT_DEFAULT_DELETE_OPERATION_PRIVATE(operation);
priv->position = 0;
priv->chunk = NULL;
}
static void
inf_text_default_delete_operation_finalize(GObject* object)
{
InfTextDefaultDeleteOperation* operation;
InfTextDefaultDeleteOperationPrivate* priv;
operation = INF_TEXT_DEFAULT_DELETE_OPERATION(object);
priv = INF_TEXT_DEFAULT_DELETE_OPERATION_PRIVATE(operation);
inf_text_chunk_free(priv->chunk);
G_OBJECT_CLASS(parent_class)->finalize(object);
}
static InfTextDeleteOperation*
inf_text_remote_delete_operation_transform_overlap(
InfTextDeleteOperation* operation,
InfTextDeleteOperation* other,
guint position,
guint begin,
guint other_begin,
guint length)
{
InfTextRemoteDeleteOperationPrivate* priv;
InfTextChunk* chunk;
GObject* result;
InfTextRemoteDeleteOperationPrivate* result_priv;
/* It is actually possible that two remote delete operations are
* transformed against each other (actually the parts of a splitted
* remote delete operation). However, they must not overlap. */
g_assert(INF_TEXT_IS_DEFAULT_DELETE_OPERATION(other));
priv = INF_TEXT_REMOTE_DELETE_OPERATION_PRIVATE(operation);
chunk = inf_text_chunk_substring(
inf_text_default_delete_operation_get_chunk(
INF_TEXT_DEFAULT_DELETE_OPERATION(other)
),
other_begin,
length
);
result = g_object_new(
INF_TEXT_TYPE_REMOTE_DELETE_OPERATION,
"position", position,
"length", priv->length - length,
NULL
);
result_priv = INF_TEXT_REMOTE_DELETE_OPERATION_PRIVATE(result);
result_priv->recon = inf_text_remote_delete_operation_recon_feed(
priv->recon,
begin,
chunk
);
inf_text_chunk_free(chunk);
result_priv->recon_offset = priv->recon_offset;
return INF_TEXT_DELETE_OPERATION(result);
}
/**
* inf_text_default_delete_operation_new:
* @position: The position at which to delete text.
* @chunk: The text to delete.
*
* Creates a new delete operation that, when applied, deletes the text @chunk
* that starts at character offset @position in the buffer. The operation
* cannot be applied, if there is some other text at that position in the
* buffer.
*
* Return Value: A new #InfTextDefaultDeleteOperation.
**/
InfTextDefaultDeleteOperation*
inf_text_default_delete_operation_new(guint position,
InfTextChunk* chunk)
{
GObject* object;
g_return_val_if_fail(chunk != NULL, NULL);
object = g_object_new(
INF_TEXT_TYPE_DEFAULT_DELETE_OPERATION,
"position", position,
"chunk", chunk,
NULL
);
return INF_TEXT_DEFAULT_DELETE_OPERATION(object);
}