static InfAdoptedSplitOperation*
inf_text_default_delete_operation_transform_split(
InfTextDeleteOperation* operation,
guint split_pos,
guint split_len)
{
InfTextDefaultDeleteOperationPrivate* priv;
InfTextChunk* first_chunk;
InfTextChunk* second_chunk;
GObject* first;
GObject* second;
InfAdoptedSplitOperation* result;
priv = INF_TEXT_DEFAULT_DELETE_OPERATION_PRIVATE(operation);
first_chunk = inf_text_chunk_substring(priv->chunk, 0, split_pos);
second_chunk = inf_text_chunk_substring(
priv->chunk,
split_pos,
inf_text_chunk_get_length(priv->chunk) - split_pos
);
first = g_object_new(
INF_TEXT_TYPE_DEFAULT_DELETE_OPERATION,
"position", priv->position,
"chunk", first_chunk,
NULL
);
second = g_object_new(
INF_TEXT_TYPE_DEFAULT_DELETE_OPERATION,
"position", priv->position + split_pos + split_len,
"chunk", second_chunk,
NULL
);
inf_text_chunk_free(first_chunk);
inf_text_chunk_free(second_chunk);
result = inf_adopted_split_operation_new(
INF_ADOPTED_OPERATION(first),
INF_ADOPTED_OPERATION(second)
);
g_object_unref(first);
g_object_unref(second);
return result;
}
static InfTextDeleteOperation*
inf_text_default_delete_operation_transform_overlap(
InfTextDeleteOperation* operation,
InfTextDeleteOperation* other,
guint position,
guint begin,
guint other_begin,
guint length)
{
InfTextDefaultDeleteOperationPrivate* priv;
InfTextChunk* chunk;
GObject* result;
priv = INF_TEXT_DEFAULT_DELETE_OPERATION_PRIVATE(operation);
chunk = inf_text_chunk_copy(priv->chunk);
inf_text_chunk_erase(chunk, begin, length);
result = g_object_new(
INF_TEXT_TYPE_DEFAULT_DELETE_OPERATION,
"position", position,
"chunk", chunk,
NULL
);
inf_text_chunk_free(chunk);
return INF_TEXT_DELETE_OPERATION(result);
}
/**
* inf_text_buffer_insert_text:
* @buffer: A #InfTextBuffer.
* @pos: A character offset into @buffer.
* @text (type=guint8*) (array length=bytes) (transfer none): A pointer to
* the text to insert.
* @len: The length (in characters) of @text.
* @bytes: The length (in bytes) of @text.
* @user: (allow-none): A #InfUser that has inserted the new text, or %NULL.
*
* Inserts @text into @buffer as written by @author. @text must be encoded in
* the character encoding of the buffer, see inf_text_buffer_get_encoding().
**/
void
inf_text_buffer_insert_text(InfTextBuffer* buffer,
guint pos,
gconstpointer text,
gsize bytes,
guint len,
InfUser* user)
{
InfTextBufferInterface* iface;
InfTextChunk* chunk;
g_return_if_fail(INF_TEXT_IS_BUFFER(buffer));
g_return_if_fail(text != NULL);
g_return_if_fail(user == NULL || INF_IS_USER(user));
iface = INF_TEXT_BUFFER_GET_IFACE(buffer);
g_return_if_fail(iface->insert_text != NULL);
chunk = inf_text_chunk_new(inf_text_buffer_get_encoding(buffer));
inf_text_chunk_insert_text(
chunk,
0,
text,
bytes,
len,
user == NULL ? 0 : inf_user_get_id(user)
);
iface->insert_text(buffer, pos, chunk, user);
inf_text_chunk_free(chunk);
}
int main()
{
InfTextChunk* chunk;
InfTextChunk* chunk2;
chunk2 = inf_text_chunk_new("UTF-8");
inf_text_chunk_insert_text(chunk2, 0, "a", 1, 1, 500);
inf_text_chunk_insert_text(chunk2, 0, "b", 1, 1, 501);
inf_text_chunk_insert_text(chunk2, 0, "c", 1, 1, 502);
inf_text_chunk_insert_text(chunk2, 3, "ü", 2, 1, 503);
chunk = inf_text_chunk_substring(chunk2, 0, 3);
inf_text_chunk_free(chunk);
inf_text_chunk_free(chunk2);
return 0;
}
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);
}
static void
inf_text_remote_delete_operation_recon_free(GSList* recon_list)
{
GSList* item;
InfTextRemoteDeleteOperationRecon* recon;
for(item = recon_list; item != NULL; item = g_slist_next(item))
{
recon = (InfTextRemoteDeleteOperationRecon*)item->data;
inf_text_chunk_free(recon->chunk);
g_slice_free(InfTextRemoteDeleteOperationRecon, recon);
}
g_slist_free(recon_list);
}
static void
inf_test_text_recover_text_erased_cb(InfTextBuffer* buffer,
guint pos,
InfTextChunk* chunk,
InfUser* user,
gpointer user_data)
{
InfAdoptedOperation* operation;
guint len;
InfTextChunk* print_chunk;
gsize print_bytes;
gpointer print_text;
/* If the document has substantial content and this deletes most of it,
* then print out the document here. */
len = inf_text_chunk_get_length(chunk);
if(inf_text_buffer_get_length(buffer) + len >= 50)
{
if(len >= (inf_text_buffer_get_length(buffer) + len)*75/100)
{
if(*(int*)user_data == 0)
{
print_chunk = inf_text_buffer_get_slice(
buffer,
0,
inf_text_buffer_get_length(buffer)
);
inf_text_chunk_insert_chunk(print_chunk, pos, chunk);
print_text = inf_text_chunk_get_text(print_chunk, &print_bytes);
inf_text_chunk_free(print_chunk);
printf("%.*s\n", (int)print_bytes, (gchar*)print_text);
g_free(print_text);
}
--*(int*)user_data;
}
}
g_object_unref(buffer);
}
static void
inf_test_util_print_buffer(InfTextBuffer* buffer)
{
InfTextChunk* chunk;
gchar* text;
gsize bytes;
chunk = inf_text_buffer_get_slice(
buffer,
0,
inf_text_buffer_get_length(buffer)
);
text = inf_text_chunk_get_text(chunk, &bytes);
inf_text_chunk_free(chunk);
printf("%.*s\n", (int)bytes, text);
g_free(text);
}
static gboolean
check_buffer(InfTextBuffer* buffer,
const gchar* check_text,
const gchar* buffer_name)
{
InfTextChunk* chunk;
gpointer text;
gsize len;
gboolean result;
chunk = inf_text_buffer_get_slice(
buffer,
0,
inf_text_buffer_get_length(buffer)
);
text = inf_text_chunk_get_text(chunk, &len);
inf_text_chunk_free(chunk);
if(strlen(check_text) != len || strncmp(check_text, text, len) != 0)
{
printf(
"%s Buffer has text \"%.*s\" but should have \"%s\"\n",
buffer_name,
(int)len, (gchar*)text,
check_text
);
result = FALSE;
}
else
{
result = TRUE;
}
g_free(text);
return result;
}
static gboolean
inf_text_default_delete_operation_text_match(
InfTextDefaultDeleteOperation* operation,
InfTextBuffer* buffer)
{
InfTextDefaultDeleteOperationPrivate* priv;
InfTextChunk* chunk;
gchar* first;
gchar* second;
gsize first_len;
gsize second_len;
int result;
priv = INF_TEXT_DEFAULT_DELETE_OPERATION_PRIVATE(operation);
/* TODO: inf_text_chunk_cmp_substring */
chunk = inf_text_buffer_get_slice(
buffer,
priv->position,
inf_text_chunk_get_length(priv->chunk)
);
first = inf_text_chunk_get_text(priv->chunk, &first_len);
second = inf_text_chunk_get_text(chunk, &second_len);
inf_text_chunk_free(chunk);
/* TODO: Owners must match, too */
if(first_len == second_len)
result = memcmp(first, second, first_len);
else
result = 1; /* != 0 */
g_free(second);
g_free(first);
return result == 0;
}
static void
infinoted_directory_sync_session_save(InfinotedDirectorySync* dsync,
InfinotedDirectorySyncSession* session)
{
InfdDirectoryIter* iter;
GError* error;
InfBuffer* buffer;
InfTextChunk* chunk;
gchar* content;
gsize bytes;
iter = &session->iter;
error = NULL;
if(session->timeout != NULL)
{
inf_io_remove_timeout(
infd_directory_get_io(dsync->directory),
session->timeout
);
session->timeout = NULL;
}
buffer = inf_session_get_buffer(
infd_session_proxy_get_session(session->proxy)
);
error = NULL;
if(!infinoted_util_create_dirname(session->path, &error))
{
g_warning(_("Failed to create directory for path \"%s\": %s\n\n"),
session->path, error->message);
g_error_free(error);
}
else
{
/* TODO: Use the iterator API here, which should be less expensive */
chunk = inf_text_buffer_get_slice(
INF_TEXT_BUFFER(buffer),
0,
inf_text_buffer_get_length(INF_TEXT_BUFFER(buffer))
);
content = inf_text_chunk_get_text(chunk, &bytes);
inf_text_chunk_free(chunk);
if(!g_file_set_contents(session->path, content, bytes, &error))
{
g_warning(
_("Failed to write session for path \"%s\": %s\n\n"
"Will retry in %u seconds."),
session->path, error->message, dsync->sync_interval
);
g_error_free(error);
infinoted_directory_sync_session_start(session->dsync, session);
}
g_free(content);
}
}
static InfAdoptedOperation*
inf_text_remote_delete_operation_apply_transformed(InfAdoptedOperation* op,
InfAdoptedOperation* trans,
InfAdoptedUser* by,
InfBuffer* buffer,
GError** error)
{
InfTextRemoteDeleteOperationPrivate* priv;
InfTextChunk* chunk;
InfTextChunk* temp_slice;
GSList* list;
GSList* item;
InfAdoptedOperation* operation;
GSList* recon_list;
GSList* recon_item;
InfTextRemoteDeleteOperationRecon* recon;
InfTextDefaultDeleteOperation* result;
g_assert(INF_TEXT_IS_REMOTE_DELETE_OPERATION(op));
g_assert(INF_TEXT_IS_BUFFER(buffer));
/* TODO: We can probably optimize this function, but then we should
* a) profile it and b) in many cases input parameters to this function
* are trivial anyway. */
if(INF_ADOPTED_IS_SPLIT_OPERATION(trans))
{
list = inf_adopted_split_operation_unsplit(
INF_ADOPTED_SPLIT_OPERATION(trans)
);
}
else
{
list = g_slist_prepend(NULL, trans);
}
chunk = inf_text_chunk_new(
inf_text_buffer_get_encoding(INF_TEXT_BUFFER(buffer))
);
/* We assume the list of remote delete operations to be in order */
for(item = list; item != NULL; item = g_slist_next(item))
{
g_assert(INF_TEXT_IS_REMOTE_DELETE_OPERATION(item->data));
priv = INF_TEXT_REMOTE_DELETE_OPERATION_PRIVATE(item->data);
operation = INF_ADOPTED_OPERATION(item->data);
if(priv->length > 0)
{
temp_slice = inf_text_buffer_get_slice(
INF_TEXT_BUFFER(buffer),
priv->position,
priv->length
);
recon_list = inf_text_remote_delete_operation_recon_feed(
priv->recon,
0,
temp_slice
);
inf_text_chunk_free(temp_slice);
}
else
{
recon_list = priv->recon;
}
for(recon_item = recon_list;
recon_item != NULL;
recon_item = g_slist_next(recon_item))
{
recon = (InfTextRemoteDeleteOperationRecon*)recon_item->data;
g_assert(priv->recon_offset + recon->position ==
inf_text_chunk_get_length(chunk));
inf_text_chunk_insert_chunk(
chunk,
inf_text_chunk_get_length(chunk),
recon->chunk
);
}
/* Free recon list if newly allocated */
if(priv->length > 0)
inf_text_remote_delete_operation_recon_free(recon_list);
if(!inf_adopted_operation_apply(operation, by, buffer, error))
{
g_slist_free(list);
inf_text_chunk_free(chunk);
return NULL;
}
}
g_slist_free(list);
priv = INF_TEXT_REMOTE_DELETE_OPERATION_PRIVATE(op);
result = inf_text_default_delete_operation_new(priv->position, chunk);
inf_text_chunk_free(chunk);
return INF_ADOPTED_OPERATION(result);
}
static void
foreach_test_func(const gchar* testfile,
gpointer user_data)
{
test_result* result;
xmlDocPtr doc;
xmlNodePtr root;
xmlNodePtr child;
GSList* requests;
InfTextChunk* initial;
GSList* users;
guint max_total_log_size;
GError* error;
gboolean res;
/* Only process XML files, not the Makefiles or other stuff */
if(!g_str_has_suffix(testfile, ".xml"))
return;
result = (test_result*)user_data;
doc = xmlParseFile(testfile);
requests = NULL;
initial = NULL;
users = NULL;
max_total_log_size = 0;
error = NULL;
printf("%s... ", testfile);
fflush(stdout);
++ result->total;
if(doc != NULL)
{
root = xmlDocGetRootElement(doc);
for(child = root->children; child != NULL; child = child->next)
{
if(child->type != XML_ELEMENT_NODE) continue;
if(strcmp((const char*)child->name, "log") == 0)
{
res = inf_xml_util_get_attribute_uint_required(
child,
"size",
&max_total_log_size,
&error
);
if(!res)
break;
}
else if(strcmp((const char*)child->name, "initial-buffer") == 0)
{
if(initial != NULL) inf_text_chunk_free(initial);
initial = inf_test_util_parse_buffer(child, &error);
if(initial == NULL) break;
}
else if(strcmp((const char*)child->name, "user") == 0)
{
if(inf_test_util_parse_user(child, &users, &error) == FALSE)
break;
}
else if(strcmp((const char*)child->name, "request") == 0 ||
strcmp((const char*)child->name, "verify") == 0)
{
requests = g_slist_prepend(requests, child);
}
else
{
g_set_error(
&error,
inf_test_util_parse_error_quark(),
INF_TEST_UTIL_PARSE_ERROR_UNEXPECTED_NODE,
"Node '%s' unexpected",
(const gchar*)child->name
);
break;
}
}
if(error != NULL)
{
printf("Failed to parse: %s\n", error->message);
g_error_free(error);
xmlFreeDoc(doc);
g_slist_free(requests);
if(initial != NULL) inf_text_chunk_free(initial);
g_slist_free(users);
}
else
{
g_assert(initial != NULL);
requests = g_slist_reverse(requests);
if(perform_test(max_total_log_size, initial, users, requests, &error) ==
TRUE)
{
++ result->passed;
printf("OK\n");
}
else
{
printf("FAILED (%s)\n", error->message);
g_error_free(error);
}
xmlFreeDoc(doc);
g_slist_free(requests);
inf_text_chunk_free(initial);
g_slist_free(users);
}
}
}
