static gboolean
is_commented_multiline (IAnjutaEditor *editor,
IAnjutaIterable *start,
IAnjutaIterable *end)
{
gchar *text;
gboolean is_commented = TRUE;
text = ianjuta_editor_get_text (editor, start, end, NULL);
while (is_commented && !g_str_has_prefix (text, "/*"))
{
if (!ianjuta_iterable_previous (start, NULL))
is_commented = FALSE;
g_free (text);
text = ianjuta_editor_get_text (editor, start, end, NULL);
if (g_str_has_prefix (text, "*/"))
is_commented = FALSE;
}
while (is_commented && !g_str_has_suffix (text, "*/"))
{
if (!ianjuta_iterable_next (end, NULL))
is_commented = FALSE;
g_free (text);
text = ianjuta_editor_get_text (editor, start, end, NULL);
if (g_str_has_suffix (text, "/*"))
is_commented = FALSE;
}
g_free (text);
return is_commented;
}
static void
toggle_comment_multiline (IAnjutaEditor *editor,
IAnjutaIterable *start,
IAnjutaIterable *end)
{
IAnjutaIterable *start_copy, *end_copy;
gchar *text;
gboolean is_commented;
start_copy = ianjuta_iterable_clone (start, NULL);
end_copy = ianjuta_iterable_clone (end, NULL);
is_commented = is_commented_multiline (editor, start_copy, end_copy);
text = ianjuta_editor_get_text (editor, start_copy, end_copy, NULL);
if (is_commented)
{
ianjuta_editor_erase (editor, start_copy, end_copy, NULL);
ianjuta_editor_insert (editor, start_copy, text + 2,
(strlen (text) - 4), NULL);
}
else
{
ianjuta_editor_insert (editor, end, "*/", -1, NULL);
ianjuta_editor_insert (editor, start, "/*", -1, NULL);
}
g_object_unref (start_copy);
g_object_unref (end_copy);
g_free (text);
}
void
cpp_java_indentation_changed (IAnjutaEditor *editor,
IAnjutaIterable *position,
gboolean added,
gint length,
gint lines,
const gchar *text,
IndentCPlugin* plugin)
{
/* If autoindent is enabled*/
if (plugin->smart_indentation)
{
if (g_settings_get_boolean (plugin->settings, PREF_BRACE_AUTOCOMPLETION))
{
if (!added && length == 1 && (*text == '[' || *text == '('))
{
IAnjutaIterable *next;
gchar *next_char;
next = ianjuta_iterable_clone (position, NULL);
ianjuta_iterable_next (next, NULL);
next_char = ianjuta_editor_get_text (editor, position, next, NULL);
if ((*text == '[' && *next_char == ']') || (*text == '(' && *next_char == ')'))
erase_editor_blocked (editor, position, next, plugin);
}
}
}
}
static gchar *
get_editor_line (IAnjutaEditor *editor, gint line)
{
IAnjutaIterable *start;
IAnjutaIterable *end;
gchar *content = NULL;
if (line < 0)
{
gint last;
end = ianjuta_editor_get_end_position(editor, NULL);
last = ianjuta_editor_get_line_from_position (editor, end, NULL);
line = last + line;
g_object_unref (end);
}
if (line > 0)
{
start = ianjuta_editor_get_line_begin_position (editor, line, NULL);
end = ianjuta_editor_get_line_end_position (editor, line, NULL);
content = ianjuta_editor_get_text (editor, start, end, NULL);
g_object_unref (start);
g_object_unref (end);
}
return content;
}
static gchar*
get_text_between (IAnjutaEditor *editor, gchar *prefix, gchar *suffix)
{
IAnjutaEditorCell *search_start = IANJUTA_EDITOR_CELL (
ianjuta_editor_get_start_position (editor, NULL));
IAnjutaEditorCell *search_end = IANJUTA_EDITOR_CELL (
ianjuta_editor_get_end_position (editor, NULL));
IAnjutaEditorCell *result_start;
IAnjutaEditorCell *result_end = NULL;
IAnjutaEditorCell *prefix_end;
IAnjutaEditorCell *suffix_start;
ianjuta_editor_search_forward (IANJUTA_EDITOR_SEARCH (editor),
prefix, FALSE,
search_start, search_end,
&result_start,
&result_end, NULL);
if (!result_end)
return NULL;
g_object_unref (result_start);
prefix_end = result_end;
ianjuta_editor_search_forward (IANJUTA_EDITOR_SEARCH (editor),
suffix, FALSE,
result_end, search_end,
&result_start,
&result_end, NULL);
suffix_start = result_start;
if (!result_end)
return NULL;
g_object_unref (result_end);
return ianjuta_editor_get_text (editor, prefix_end, suffix_start, NULL);
}
static gboolean
spaces_only (IAnjutaEditor* editor, IAnjutaIterable* begin, IAnjutaIterable* end)
{
gboolean empty = TRUE;
gchar* idx;
gchar* text = ianjuta_editor_get_text (editor, begin, end, NULL);
if (text == NULL)
return TRUE;
for (idx = text; *idx != '\0'; idx++)
{
if (!isspace(*idx))
{
empty = FALSE;
break;
}
}
g_free(text);
return empty;
}
/**
* parser_cxx_assist_parse_expression:
* @assist: self,
* @iter: current cursor position
* @start_iter: return location for the start of the completion
*
* Returns: An iter of a list of IAnjutaSymbols or NULL
*/
static IAnjutaIterable*
parser_cxx_assist_parse_expression (ParserCxxAssist* assist, IAnjutaIterable* iter, IAnjutaIterable** start_iter)
{
IAnjutaEditor* editor = IANJUTA_EDITOR (assist->priv->iassist);
IAnjutaIterable* res = NULL;
IAnjutaIterable* cur_pos = ianjuta_iterable_clone (iter, NULL);
gboolean op_start = FALSE;
gboolean ref_start = FALSE;
gchar* stmt = NULL;
/* Cursor points after the current characters, move back */
ianjuta_iterable_previous (cur_pos, NULL);
/* Search for a operator in the current line */
do
{
gchar ch = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL(cur_pos),
0, NULL);
if (parser_cxx_assist_is_expression_separator(ch, FALSE, iter)) {
break;
}
if (ch == '.' || (op_start && ch == '-') || (ref_start && ch == ':'))
{
/* Found an operator, get the statement and the pre_word */
IAnjutaIterable* pre_word_start = ianjuta_iterable_clone (cur_pos,
NULL);
IAnjutaIterable* pre_word_end = ianjuta_iterable_clone (iter, NULL);
IAnjutaIterable* stmt_end = ianjuta_iterable_clone (pre_word_start,
NULL);
/* we need to pass to the parser all the statement included the last
* operator, being it "." or "->" or "::"
* Increase the end bound of the statement.
*/
ianjuta_iterable_next (stmt_end, NULL);
if (op_start == TRUE || ref_start == TRUE)
ianjuta_iterable_next (stmt_end, NULL);
/* Move one character forward so we have the start of the pre_word
* and not the last operator */
ianjuta_iterable_next (pre_word_start, NULL);
/* If this is a two character operator, skip the second character */
if (op_start)
{
ianjuta_iterable_next (pre_word_start, NULL);
}
parser_cxx_assist_update_pre_word (assist, ianjuta_editor_get_text (
editor,
pre_word_start,
pre_word_end,
NULL));
/* Try to get the name of the variable */
while (ianjuta_iterable_previous (cur_pos, NULL))
{
gchar word_ch = ianjuta_editor_cell_get_char (
IANJUTA_EDITOR_CELL(cur_pos), 0, NULL);
if (parser_cxx_assist_is_expression_separator(word_ch, FALSE,
cur_pos))
break;
}
ianjuta_iterable_next (cur_pos, NULL);
stmt = ianjuta_editor_get_text (editor,
cur_pos, stmt_end, NULL);
*start_iter = pre_word_start;
g_object_unref (stmt_end);
g_object_unref (pre_word_end);
break;
}
else if (ch == '>')
op_start = TRUE;
else if (ch == ':')
ref_start = TRUE;
else
{
op_start = FALSE;
ref_start = FALSE;
}
}
while (ianjuta_iterable_previous (cur_pos, NULL));
if (stmt)
{
gint lineno;
gchar *above_text;
IAnjutaIterable* start;
if (!assist->priv->editor_filename)
{
g_free (stmt);
return NULL;
}
start = ianjuta_editor_get_start_position (editor, NULL);
above_text = ianjuta_editor_get_text (editor, start, iter, NULL);
g_object_unref (start);
lineno = ianjuta_editor_get_lineno (editor, NULL);
/* the parser works even for the "Gtk::" like expressions, so it
* shouldn't be created a specific case to handle this.
*/
res = engine_parser_process_expression (stmt,
above_text,
assist->priv->editor_filename,
lineno);
g_free (stmt);
}
g_object_unref (cur_pos);
return res;
}
static void
toggle_comment_singleline (CppJavaPlugin *plugin, IAnjutaEditor *editor,
gint line)
{
IAnjutaIterable *begin, *end, *begin_copy, *end_copy;
gchar *text, *text_stripped, **text_diff = NULL;
begin = ianjuta_editor_get_line_begin_position (editor, line, NULL);
end = ianjuta_editor_get_line_end_position (editor, line, NULL);
begin_copy = ianjuta_iterable_clone (begin, NULL);
end_copy = ianjuta_iterable_clone (end, NULL);
if (is_commented_multiline (editor, begin_copy, end_copy))
{
toggle_comment_multiline (editor, begin_copy, end_copy);
g_object_unref (begin);
g_object_unref (end);
g_object_unref (begin_copy);
g_object_unref (end_copy);
return;
}
g_object_unref (begin_copy);
g_object_unref (end_copy);
text = ianjuta_editor_get_text (editor, begin, end, NULL);
text_stripped = g_strstrip (g_strdup (text));
text_diff = g_strsplit (text, text_stripped, 2);
if (plugin->current_language &&
(g_str_equal (plugin->current_language, "C")))
{
if (g_str_has_prefix (text_stripped, "/*") &&
g_str_has_suffix (text_stripped, "*/"))
{
ianjuta_editor_erase (editor, begin, end, NULL);
ianjuta_editor_insert (editor, begin, text_stripped + 2,
(strlen (text_stripped) - 4), NULL);
if (text_diff != NULL)
ianjuta_editor_insert (editor, begin, *text_diff, -1, NULL);
}
else
{
ianjuta_editor_insert (editor, end, "*/", -1, NULL);
ianjuta_editor_insert (editor, begin, "/*", -1, NULL);
}
}
else
{
if (g_str_has_prefix (text_stripped, "//"))
{
ianjuta_editor_erase (editor, begin, end, NULL);
ianjuta_editor_insert (editor, begin, text_stripped + 2, -1, NULL);
if (text_diff != NULL)
ianjuta_editor_insert (editor, begin, *text_diff, -1, NULL);
}
else
{
ianjuta_editor_insert (editor, begin, "//", -1, NULL);
}
}
g_object_unref (begin);
g_object_unref (end);
g_free (text);
g_free (text_stripped);
g_strfreev (text_diff);
}
/* Search string in editor, return TRUE and matching part as start and
* end editor cell */
static gboolean
editor_search (IAnjutaEditor *editor,
const gchar *search_text,
gboolean case_sensitive,
gboolean search_forward,
gboolean regex_mode,
IAnjutaEditorCell* search_start,
IAnjutaEditorCell* search_end,
IAnjutaEditorCell** result_start,
IAnjutaEditorCell** result_end)
{
gboolean found;
if (regex_mode)
{
gint start_pos;
gint end_pos;
gchar *text_to_search;
text_to_search = ianjuta_editor_get_text (editor,
IANJUTA_ITERABLE (search_start),
IANJUTA_ITERABLE (search_end), NULL);
found = search_regex_in_text (search_text, text_to_search, search_forward, &start_pos, &end_pos);
start_pos += ianjuta_iterable_get_position(IANJUTA_ITERABLE (search_start), NULL);
end_pos += ianjuta_iterable_get_position(IANJUTA_ITERABLE (search_start), NULL);
if (found && start_pos >= 0)
{
*result_start = IANJUTA_EDITOR_CELL (ianjuta_editor_get_start_position (editor,
NULL));
*result_end = IANJUTA_EDITOR_CELL (ianjuta_editor_get_start_position (editor,
NULL));
if (!ianjuta_iterable_set_position(IANJUTA_ITERABLE(*result_start), start_pos, NULL) ||
!ianjuta_iterable_set_position(IANJUTA_ITERABLE(*result_end), end_pos, NULL))
{
g_object_unref(*result_start);
g_object_unref(*result_end);
found = FALSE;
}
}
g_free(text_to_search);
}
else
{
if (search_forward)
{
found = ianjuta_editor_search_forward (IANJUTA_EDITOR_SEARCH (editor),
search_text, case_sensitive,
search_start, search_end,
result_start,
result_end, NULL);
}
else
{
found = ianjuta_editor_search_backward (IANJUTA_EDITOR_SEARCH (editor),
search_text, case_sensitive,
search_end, search_start,
result_start,
result_end, NULL);
}
}
return found;
}
static gint
set_line_indentation (IndentCPlugin *plugin, IAnjutaEditor *editor, gint line_num, gint indentation, gint parenthesis_indentation)
{
IAnjutaIterable *line_begin, *line_end, *indent_position;
IAnjutaIterable *current_pos;
gint carat_offset, nchars = 0;
gchar *old_indent_string = NULL, *indent_string = NULL;
/* DEBUG_PRINT ("In %s()", __FUNCTION__); */
line_begin = ianjuta_editor_get_line_begin_position (editor, line_num, NULL);
line_end = ianjuta_editor_get_line_end_position (editor, line_num, NULL);
/*
DEBUG_PRINT ("line begin = %d, line end = %d, current_pos = %d",
line_begin, line_end, current_pos);
*/
indent_position = ianjuta_iterable_clone (line_begin, NULL);
if (ianjuta_iterable_compare (line_end, line_begin, NULL) > 0)
{
gchar *idx;
gchar *line_string = ianjuta_editor_get_text (editor, line_begin,
line_end, NULL);
//DEBUG_PRINT ("line_string = '%s'", line_string);
if (line_string)
{
idx = line_string;
/* Find first non-white space */
while (*idx != '\0' && isspace (*idx))
{
idx = g_utf8_find_next_char (idx, NULL);
ianjuta_iterable_next (indent_position, NULL);
}
g_free (line_string);
}
}
/* Indent iter defined at this point, Identify how much is current
* position is beyound this point. We need to restore it later after
* indentation
*/
current_pos = ianjuta_editor_get_position (editor, NULL);
carat_offset = ianjuta_iterable_diff (indent_position, current_pos, NULL);
//DEBUG_PRINT ("carat offset is = %d", carat_offset);
/* Set new indentation */
if ((indentation + parenthesis_indentation) > 0)
{
indent_string = get_line_indentation_string (plugin, editor, indentation, parenthesis_indentation);
nchars = indent_string ? g_utf8_strlen (indent_string, -1) : 0;
/* Only indent if there is something to indent with */
if (indent_string)
{
/* Get existing indentation */
if (ianjuta_iterable_compare (indent_position, line_begin, NULL) > 0)
{
old_indent_string =
ianjuta_editor_get_text (editor, line_begin,
indent_position, NULL);
//DEBUG_PRINT ("old_indent_string = '%s'", old_indent_string);
}
/* Only indent if there was no indentation before or old
* indentation string was different from the new indent string
*/
if (old_indent_string == NULL ||
strcmp (old_indent_string, indent_string) != 0)
{
/* Remove the old indentation string, if there is any */
if (old_indent_string)
ianjuta_editor_erase (editor, line_begin,
indent_position, NULL);
/* Insert the new indentation string */
ianjuta_editor_insert (editor, line_begin,
indent_string, -1, NULL);
}
}
}
/* If indentation == 0, we really didn't enter the previous code block,
* but we may need to clear existing indentation.
*/
if ((indentation + parenthesis_indentation) == 0)
{
/* Get existing indentation */
if (ianjuta_iterable_compare (indent_position, line_begin, NULL) > 0)
{
old_indent_string =
ianjuta_editor_get_text (editor, line_begin,
indent_position, NULL);
}
if (old_indent_string)
ianjuta_editor_erase (editor, line_begin, indent_position, NULL);
}
/* Restore current position */
if (carat_offset >= 0)
{
/* If the cursor was not before the first non-space character in
* the line, restore it's position after indentation.
*/
gint i;
IAnjutaIterable *pos = ianjuta_editor_get_line_begin_position (editor, line_num, NULL);
for (i = 0; i < nchars + carat_offset; i++)
ianjuta_iterable_next (pos, NULL);
ianjuta_document_begin_undo_action (IANJUTA_DOCUMENT(editor), NULL);
ianjuta_editor_goto_position (editor, pos, NULL);
ianjuta_document_end_undo_action (IANJUTA_DOCUMENT(editor), NULL);
g_object_unref (pos);
}
else /* cursor_offset < 0 */
{
/* If the cursor was somewhere in the old indentation spaces,
* home the cursor to first non-space character in the line (or
* end of line if there is no non-space characters in the line.
*/
gint i;
IAnjutaIterable *pos = ianjuta_editor_get_line_begin_position (editor, line_num, NULL);
for (i = 0; i < nchars; i++)
ianjuta_iterable_next (pos, NULL);
ianjuta_document_begin_undo_action (IANJUTA_DOCUMENT(editor), NULL);
ianjuta_editor_goto_position (editor, pos, NULL);
ianjuta_document_end_undo_action (IANJUTA_DOCUMENT(editor), NULL);
g_object_unref (pos);
}
g_object_unref (current_pos);
g_object_unref (indent_position);
g_object_unref (line_begin);
g_object_unref (line_end);
g_free (old_indent_string);
g_free (indent_string);
return nchars;
}
static gint
get_line_indentation (IAnjutaEditor *editor, gint line_num)
{
IAnjutaIterable *line_begin, *line_end;
gchar *line_string, *idx;
gint line_indent = 0, left_braces = 0, right_braces = 0;
gchar ch;
line_end = ianjuta_editor_get_line_end_position (editor, line_num, NULL);
/* Find first right brace going backwards from end of current line that is before a closing bracket */
while (ianjuta_iterable_previous (line_end, NULL))
{
ch = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (line_end), 0, NULL);
if (ch == ')')
{
right_braces++;
break;
}
else if (ch =='}')
break;
}
/* Find the line which contains the left brace matching the right brace we found */
if (right_braces > 0)
{
while (ianjuta_iterable_previous (line_end, NULL) && right_braces > left_braces)
{
ch = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (line_end), 0, NULL);
if (ch == ')')
right_braces++;
else if (ch == '(')
left_braces++;
}
line_num = ianjuta_editor_get_line_from_position (editor, line_end, NULL);
}
g_object_unref (line_end);
line_begin = ianjuta_editor_get_line_begin_position (editor, line_num, NULL);
line_end = ianjuta_editor_get_line_end_position (editor, line_num, NULL);
/*
DEBUG_PRINT ("%s: line begin = %d, line end = %d", __FUNCTION__,
line_begin, line_end);
*/
if (ianjuta_iterable_compare (line_begin, line_end, NULL) == 0)
{
g_object_unref (line_begin);
g_object_unref (line_end);
return 0;
}
line_string = ianjuta_editor_get_text (editor, line_begin, line_end,
NULL);
g_object_unref (line_begin);
g_object_unref (line_end);
/* DEBUG_PRINT ("line_string = '%s'", line_string); */
if (!line_string)
return 0;
idx = line_string;
/* Find first non-white space */
while (*idx != '\0' && isspace (*idx))
{
if (*idx == '\t')
line_indent += TAB_SIZE;
else
line_indent++;
idx++; /* Since we are looking for first non-space char, simple
* increment of the utf8 chars would do */
}
g_free (line_string);
return line_indent;
}
void
cpp_java_indentation_char_added (IAnjutaEditor *editor,
IAnjutaIterable *insert_pos,
gchar ch,
IndentCPlugin *plugin)
{
IAnjutaEditorAttribute attrib;
IAnjutaIterable *iter;
gboolean should_auto_indent = FALSE;
iter = ianjuta_iterable_clone (insert_pos, NULL);
/* If autoindent is enabled*/
if (plugin->smart_indentation)
{
/* DEBUG_PRINT ("Char added at position %d: '%c'", insert_pos, ch); */
if (iter_is_newline (iter, ch))
{
skip_iter_to_newline_head (iter, ch);
/* All newline entries means enable indenting */
should_auto_indent = TRUE;
}
else if (ch == '{' || ch == '}' || ch == '#')
{
/* Indent only when it's the first non-white space char in the line */
/* Don't bother if we are inside string */
attrib = ianjuta_editor_cell_get_attribute (IANJUTA_EDITOR_CELL (iter),
NULL);
if (attrib != IANJUTA_EDITOR_STRING)
{
/* Iterate backwards till the begining of the line and disable
* indenting if any non-white space char is encountered
*/
/* Begin by assuming it should be indented */
should_auto_indent = TRUE;
while (ianjuta_iterable_previous (iter, NULL))
{
ch = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (iter),
0, NULL);
//DEBUG_PRINT ("Looking at char '%c'", ch);
/* Break on begining of line (== end of previous line) */
if (iter_is_newline (iter, ch))
{
skip_iter_to_newline_head (iter, ch);
break;
}
/* If a non-white space char is encountered, disabled indenting */
if (!isspace (ch))
{
should_auto_indent = FALSE;
break;
}
}
}
}
if (should_auto_indent)
{
gint insert_line;
gint line_indent;
gint parenthesis_indentation;
ianjuta_document_begin_undo_action (IANJUTA_DOCUMENT(editor), NULL);
insert_line = ianjuta_editor_get_lineno (editor, NULL);
line_indent = get_line_auto_indentation (plugin, editor, insert_line, &parenthesis_indentation);
set_line_indentation (plugin, editor, insert_line, line_indent, parenthesis_indentation);
ianjuta_document_end_undo_action (IANJUTA_DOCUMENT(editor), NULL);
}
}
if (g_settings_get_boolean (plugin->settings, PREF_BRACE_AUTOCOMPLETION))
{
if (ch == '[' || ch == '(')
{
gchar *prev_char, *next_char;
IAnjutaIterable *previous, *next, *next_end;
previous = ianjuta_iterable_clone (iter, NULL);
ianjuta_iterable_previous (previous, NULL);
prev_char = ianjuta_editor_get_text (editor, previous, iter, NULL);
next = ianjuta_iterable_clone (iter, NULL);
ianjuta_iterable_next (next, NULL);
next_end = ianjuta_iterable_clone (next, NULL);
ianjuta_iterable_next (next_end, NULL);
next_char = ianjuta_editor_get_text (editor, next, next_end, NULL);
/* If the previous char is a ' we don't have to autocomplete,
also we only autocomplete if the next character is white-space
a closing bracket, "," or ";" */
if (*prev_char != '\'' &&
(g_ascii_isspace(*next_char) || is_closing_bracket (*next_char) ||
*next_char == ',' || *next_char == ';'|| *next_char == '\0'))
{
ianjuta_document_begin_undo_action (IANJUTA_DOCUMENT (editor), NULL);
ianjuta_iterable_next (iter, NULL);
switch (ch)
{
case '[':
insert_editor_blocked (editor, iter,
"]", plugin);
break;
case '(':
insert_editor_blocked (editor, iter,
")", plugin);
break;
default:
break;
}
ianjuta_editor_goto_position (editor, iter, NULL);
ianjuta_document_end_undo_action (IANJUTA_DOCUMENT (editor), NULL);
}
g_object_unref (previous);
}
else if (ch == '"' || ch == '\'')
{
gchar *prev_char;
IAnjutaIterable *previous;
previous = ianjuta_iterable_clone (iter, NULL);
ianjuta_iterable_previous (previous, NULL);
prev_char = ianjuta_editor_get_text (editor, previous, iter, NULL);
/* First iter*/
ianjuta_iterable_next (iter, NULL);
/*
* If the character is " we have to decide if we need insert
* another " or we have to skip the character
*/
if (ch == '"' || ch == '\'')
{
/*
* Now we have to detect if we want to manage " as a char
*/
if (*prev_char != '\'' && *prev_char != '\\')
{
gchar *c;
if (ch == '"')
c = g_strdup ("\"");
else c = g_strdup ("'");
ianjuta_document_begin_undo_action (IANJUTA_DOCUMENT (editor), NULL);
insert_editor_blocked (editor, iter, c, plugin);
ianjuta_editor_goto_position (editor, iter, NULL);
ianjuta_document_end_undo_action (IANJUTA_DOCUMENT (editor), NULL);
g_free (c);
}
g_object_unref (previous);
g_object_unref (iter);
return;
}
g_object_unref (previous);
}
}
g_object_unref (iter);
}