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);
}
void
search_box_highlight_all (SearchBox *search_box)
{
if (!search_box->priv->current_editor)
return;
ianjuta_indicable_clear(IANJUTA_INDICABLE(search_box->priv->current_editor), NULL);
if (search_box->priv->start_highlight != NULL) g_object_unref (search_box->priv->start_highlight);
if (search_box->priv->end_highlight != NULL) g_object_unref (search_box->priv->end_highlight);
search_box->priv->start_highlight = IANJUTA_EDITOR_CELL (ianjuta_editor_get_start_position (search_box->priv->current_editor, NULL));
search_box->priv->end_highlight = IANJUTA_EDITOR_CELL (ianjuta_editor_get_end_position (search_box->priv->current_editor, NULL));
if (search_box->priv->idle_id == 0)
{
search_box->priv->idle_id = g_idle_add_full(G_PRIORITY_DEFAULT_IDLE,
(GSourceFunc)highlight_in_background,
search_box,
NULL);
}
}
static IAnjutaIterable*
language_support_get_mark_position (IAnjutaEditor* editor, gchar* mark)
{
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 = NULL;
IAnjutaEditorCell *result_end = NULL;
ianjuta_editor_search_forward (IANJUTA_EDITOR_SEARCH (editor),
mark, FALSE,
search_start, search_end,
&result_start,
&result_end, NULL);
if (result_start)
g_object_unref (result_start);
return result_end ? IANJUTA_ITERABLE (result_end) : NULL;
}
static gboolean
line_is_preprocessor (IAnjutaEditor *editor, IAnjutaIterable *iter)
{
gboolean is_preprocessor = FALSE;
IAnjutaIterable *new_iter = ianjuta_iterable_clone (iter, NULL);
if (skip_iter_to_previous_logical_line (editor, new_iter))
{
/* Forward the newline char and point to line begin of next line */
gchar ch;
ch = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (new_iter),
0, NULL);
skip_iter_to_newline_tail (new_iter, ch);
ianjuta_iterable_next (new_iter, NULL);
}
/* else, line is already pointed at first char of the line */
do
{
gchar ch;
ch = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (new_iter),
0, NULL);
if (ch == '#')
{
is_preprocessor = TRUE;
break;
}
if (iter_is_newline (new_iter, ch) || !isspace (ch))
break;
}
while (ianjuta_iterable_next (new_iter, NULL));
g_object_unref (new_iter);
return is_preprocessor;
}
/* Sets the iter to line end of previous line and TRUE is returned.
* If there is no previous line, iter is set to first character in the
* buffer and FALSE is returned.
*/
static gboolean
skip_iter_to_previous_line (IAnjutaEditor *editor, IAnjutaIterable *iter)
{
gboolean found = FALSE;
gchar ch;
while (ianjuta_iterable_previous (iter, NULL))
{
ch = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (iter), 0, NULL);
if (iter_is_newline (iter, ch))
{
skip_iter_to_newline_head (iter, ch);
found = TRUE;
break;
}
}
return found;
}
/* Returns TRUE if iter was moved */
static gboolean
skip_iter_to_newline_tail (IAnjutaIterable *iter, gchar ch)
{
gboolean ret_val = FALSE;
if (ch == '\r')
{
/* Possibly at head */
if (ianjuta_iterable_previous (iter, NULL))
{
ch = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (iter),
0, NULL);
if (ch != '\n')
/* Already at tail, undo iter */
ianjuta_iterable_next (iter, NULL);
else
/* Correctly at tail */
ret_val = TRUE;
}
}
return ret_val;
}
/**
* 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;
}
gboolean
search_box_incremental_search (SearchBox* search_box,
gboolean search_forward,
gboolean search_next,
gboolean wrap)
{
IAnjutaIterable* real_start;
IAnjutaEditorCell* search_start;
IAnjutaEditorCell* search_end;
IAnjutaEditorCell* result_start;
IAnjutaEditorCell* result_end;
IAnjutaEditorSelection* selection;
const gchar* search_text = gtk_entry_get_text (GTK_ENTRY (search_box->priv->search_entry));
gboolean found = FALSE;
if (!search_box->priv->current_editor || !search_text || !strlen (search_text))
return FALSE;
selection = IANJUTA_EDITOR_SELECTION (search_box->priv->current_editor);
if (ianjuta_editor_selection_has_selection (selection, NULL))
{
search_start =
IANJUTA_EDITOR_CELL (ianjuta_editor_selection_get_start (selection, NULL));
}
else
{
search_start =
IANJUTA_EDITOR_CELL (ianjuta_editor_get_position (search_box->priv->current_editor,
NULL));
}
real_start =
ianjuta_iterable_clone (IANJUTA_ITERABLE (search_start), NULL);
/* If forward, set search start and end to current position of
* cursor and editor end, respectively, or if backward to editor
* start and current position of cursor, respectively. Current
* position of cursor is selection start if have selection. */
if (search_forward)
{
search_end = IANJUTA_EDITOR_CELL (ianjuta_editor_get_position (search_box->priv->current_editor,
NULL));
ianjuta_iterable_last (IANJUTA_ITERABLE (search_end), NULL);
}
else
{
search_end = search_start;
search_start = IANJUTA_EDITOR_CELL (ianjuta_editor_get_position (search_box->priv->current_editor,
NULL));
ianjuta_iterable_first (IANJUTA_ITERABLE (search_start), NULL);
}
/* When there's a selection, if forward, set search start and end
* to match end and editor end, respectively, or if backward to
* editor start and match start, respectively. If forward and
* selection starts with a match, look for next match.
*/
if (ianjuta_editor_selection_has_selection (selection,
NULL) && search_next)
{
gchar* selected_text =
ianjuta_editor_selection_get (selection, NULL);
gint start_pos, end_pos;
gboolean selected_have_search_text = FALSE;
selected_have_search_text = search_box->priv->regex_mode ?
search_regex_in_text (search_text, selected_text, TRUE, &start_pos, &end_pos) :
search_str_in_text (search_text, selected_text, search_box->priv->case_sensitive, &start_pos, &end_pos);
if (selected_have_search_text)
{
IAnjutaIterable* selection_start =
ianjuta_editor_selection_get_start (selection, NULL);
if (search_forward && start_pos == 0)
{
end_pos += ianjuta_iterable_get_position(IANJUTA_ITERABLE (selection_start), NULL);
ianjuta_iterable_set_position (IANJUTA_ITERABLE(search_start), end_pos, NULL);
ianjuta_iterable_last (IANJUTA_ITERABLE (search_end), NULL);
}
else if (!search_forward)
{
start_pos += ianjuta_iterable_get_position(IANJUTA_ITERABLE (selection_start), NULL);
ianjuta_iterable_set_position (IANJUTA_ITERABLE(search_end), start_pos, NULL);
ianjuta_iterable_first (IANJUTA_ITERABLE (search_start), NULL);
}
g_object_unref (selection_start);
}
g_free (selected_text);
}
/* Try searching in current position */
found = editor_search (search_box->priv->current_editor,
search_text,
search_box->priv->case_sensitive,
search_forward,
search_box->priv->regex_mode,
search_start,
search_end,
&result_start,
&result_end);
if (found)
{
anjuta_status_pop (ANJUTA_STATUS (search_box->priv->status));
}
else if (wrap)
{
/* Try to wrap if not found */
ianjuta_iterable_first (IANJUTA_ITERABLE (search_start), NULL);
ianjuta_iterable_last (IANJUTA_ITERABLE (search_end), NULL);
/* Try to search again */
found = editor_search (search_box->priv->current_editor,
search_text,
search_box->priv->case_sensitive,
search_forward,
search_box->priv->regex_mode,
search_start,
search_end,
&result_start,
&result_end);
/* Check if successful */
if (found)
{
if (ianjuta_iterable_compare (IANJUTA_ITERABLE (result_start),
real_start, NULL) != 0)
{
anjuta_status_pop (search_box->priv->status);
if (search_forward)
{
anjuta_status_push (search_box->priv->status,
_("Search for \"%s\" reached the end and was continued at the top."), search_text);
}
else
{
anjuta_status_push (search_box->priv->status,
_("Search for \"%s\" reached top and was continued at the bottom."), search_text);
}
}
else if (ianjuta_editor_selection_has_selection (selection, NULL))
{
found = FALSE;
anjuta_status_pop (search_box->priv->status);
if (search_forward)
{
anjuta_status_push (search_box->priv->status,
_("Search for \"%s\" reached the end and was continued at the top but no new match was found."), search_text);
}
else
{
anjuta_status_push (search_box->priv->status,
_("Search for \"%s\" reached top and was continued at the bottom but no new match was found."), search_text);
}
}
else
{
found = FALSE;
}
}
}
if (found)
{
ianjuta_editor_selection_set (selection,
IANJUTA_ITERABLE (result_start),
IANJUTA_ITERABLE (result_end), TRUE, NULL);
g_object_unref (result_start);
g_object_unref (result_end);
}
search_box_set_entry_color (search_box, found);
g_object_unref (real_start);
g_object_unref (search_start);
g_object_unref (search_end);
return found;
}
/* 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;
}
/* incomplete_statement:
* 1 == COMPLETE STATEMENT
* 0 == INCOMPLETE STATEMENT
* -1 == UNKNOWN
*/
static gint
get_line_indentation_base (IndentCPlugin *plugin,
IAnjutaEditor *editor,
gint line_num,
gint *incomplete_statement,
gint *parenthesis_indentation,
gboolean *colon_indent)
{
IAnjutaIterable *iter;
gchar point_ch;
gint line_indent = 0;
gint extra_indent = 0;
gboolean looking_at_just_next_line = TRUE;
gboolean current_line_is_preprocessor = FALSE;
gboolean current_line_is_continuation = FALSE;
gboolean line_checked_for_comment = FALSE;
/* Determine whether or not to add multi-line comment asterisks */
const gchar *comment_continued = " * ";
IAnjutaIterable *line_begin = ianjuta_editor_get_line_begin_position (editor, line_num, NULL);
IAnjutaIterable *line_end = ianjuta_editor_get_line_end_position (editor, line_num, NULL);
*incomplete_statement = -1;
*parenthesis_indentation = 0;
if (line_num <= 1)
return 0;
/* DEBUG_PRINT ("In %s()", __FUNCTION__); */
iter = ianjuta_editor_get_line_begin_position (editor, line_num, NULL);
current_line_is_preprocessor = line_is_preprocessor (editor, iter);
current_line_is_continuation =
line_is_continuation (editor, iter);
/*
DEBUG_PRINT ("Current line is preprocessor = %d",
current_line_is_preprocessor);
DEBUG_PRINT ("Current line is continuation = %d",
current_line_is_continuation);
*/
/* line_indent = get_line_indentation (editor, line_num - 1); */
if (current_line_is_preprocessor && current_line_is_continuation)
{
/* Continuation of preprocessor line -- just maintain indentation */
g_object_unref (iter);
return get_line_indentation (editor, line_num - 1);
}
else if (current_line_is_preprocessor)
{
/* Preprocessor line -- indentation should be 0 */
g_object_unref (iter);
return 0;
}
while (ianjuta_iterable_previous (iter, NULL))
{
/* Skip strings */
IAnjutaEditorAttribute attrib =
ianjuta_editor_cell_get_attribute (IANJUTA_EDITOR_CELL (iter), NULL);
if (attrib == IANJUTA_EDITOR_STRING)
continue;
point_ch = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (iter), 0,
NULL);
/* DEBUG_PRINT("point_ch = %c", point_ch); */
/* Check for line comment comment */
if (!line_checked_for_comment && !isspace(point_ch))
{
gboolean comment = FALSE;
IAnjutaIterable* new_iter = ianjuta_iterable_clone (iter, NULL);
do
{
gchar c;
/* Skip strings */
if (ianjuta_editor_cell_get_attribute (IANJUTA_EDITOR_CELL (new_iter), NULL) == IANJUTA_EDITOR_STRING)
continue;
c = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (new_iter), 0,
NULL);
if (iter_is_newline (new_iter, c))
{
line_checked_for_comment = TRUE;
break;
}
if (c == '/')
{
IAnjutaIterable* tmp_iter = ianjuta_iterable_clone (new_iter, NULL);
if (!ianjuta_iterable_previous (tmp_iter, NULL))
{
g_object_unref (tmp_iter);
break;
}
c = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (tmp_iter), 0,
NULL);
if (c == '/')
{
/* is a line comment, skip until begin of comment */
comment = TRUE;
g_object_unref (tmp_iter);
break;
}
g_object_unref (tmp_iter);
}
} while (ianjuta_iterable_previous (new_iter, NULL));
if (comment)
{
ianjuta_iterable_assign (iter, new_iter, NULL);
ianjuta_iterable_previous (iter, NULL);
g_object_unref (new_iter);
continue;
}
g_object_unref (new_iter);
}
/* Check if we are inside a comment */
if (point_ch == '/' || point_ch == '*')
{
gboolean comment = FALSE;
gboolean comment_end = FALSE;
IAnjutaIterable* new_iter = ianjuta_iterable_clone (iter, NULL);
do
{
gchar c = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL(new_iter),
0, NULL);
if (!comment_end && iter_is_newline (new_iter, c))
{
break;
}
if (c == '*')
{
IAnjutaIterable* prev = ianjuta_iterable_clone (new_iter, NULL);
IAnjutaIterable* next = ianjuta_iterable_clone (new_iter, NULL);
ianjuta_iterable_previous (prev, NULL);
ianjuta_iterable_next (next, NULL);
gchar prev_c = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (prev), 0,
NULL);
gchar next_c = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (next), 0,
NULL);
if (prev_c == '/')
{
/* starts comment */
comment = TRUE;
if (!comment_end)
{
extra_indent++;
/* If a multiline comment is continuing, check the next line and insert " * "
* only if it does not already exist there. The purpose of this fix is to avoid
* extra " * " on auto-indent. */
if ((g_settings_get_boolean (plugin->settings, PREF_COMMENT_LEADING_ASTERISK)) &&
(ianjuta_iterable_compare (line_end, line_begin, NULL)) == 0)
{
ianjuta_editor_insert (editor, line_begin, comment_continued, -1, NULL);
}
/* In the middle of a comment we can't know
* if the statement is incomplete
*/
*incomplete_statement = -1;
/* ":" have to be ignored inside comments */
if (*colon_indent)
{
*colon_indent = FALSE;
extra_indent -= INDENT_SIZE;
}
}
g_object_unref (prev);
g_object_unref (next);
break;
}
else if (next_c == '/')
{
/* ends comment: */
comment_end = TRUE;
g_object_unref (prev);
g_object_unref (next);
continue;
}
/* Possibly continued comment */
else if (isspace(prev_c))
{
gboolean possible_comment = FALSE;
while (ianjuta_iterable_previous (prev, NULL))
{
prev_c = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (prev), 0,
NULL);
if (!isspace(prev_c))
break;
if (iter_is_newline (prev, prev_c))
{
possible_comment = TRUE;
break;
}
}
if (possible_comment)
{
ianjuta_iterable_assign (new_iter, prev, NULL);
g_object_unref (prev);
g_object_unref (next);
continue;
}
}
g_object_unref (prev);
g_object_unref (next);
}
} while (ianjuta_iterable_previous (new_iter, NULL));
if (comment)
{
ianjuta_iterable_assign (iter, new_iter, NULL);
ianjuta_iterable_previous (iter, NULL);
g_object_unref (new_iter);
continue;
}
g_object_unref (new_iter);
}
if (point_ch == ')' || point_ch == ']' || point_ch == '}')
{
gint line_saved;
line_saved = ianjuta_editor_get_line_from_position (editor, iter,
NULL);
/* If we encounter a block-end before anything else, the
* statement could hardly be incomplte.
*/
if (point_ch == '}' && *incomplete_statement == -1)
*incomplete_statement = 0;
/* If at level 0 indentation, encoutered a
* block end, don't bother going further
*/
if (point_ch == '}' && get_line_indentation (editor, line_saved) <= 0)
{
line_indent = 0;
line_indent += extra_indent;
break;
}
/* Find matching brace and continue */
if (!anjuta_util_jump_to_matching_brace (iter, point_ch, -1))
{
line_indent = get_line_indentation (editor, line_saved);
line_indent += extra_indent;
break;
}
}
else if (point_ch == '{')
{
gint line_for_indent =
ianjuta_editor_get_line_from_position (editor, iter, NULL);
line_indent = get_line_indentation (editor, line_for_indent);
/* Increase line indentation */
line_indent += INDENT_SIZE;
line_indent += extra_indent;
/* If we encounter a block-start before anything else, the
* statement could hardly be incomplte.
*/
if (point_ch == '{' && *incomplete_statement == -1)
*incomplete_statement = 0;
break;
}
else if (point_ch == '(' || point_ch == '[')
{
line_indent = 0;
if (g_settings_get_boolean (plugin->settings,
PREF_INDENT_PARENTHESIS_LINEUP))
{
while (ianjuta_iterable_previous (iter, NULL))
{
gchar dummy_ch = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (iter), 0,
NULL);
if (iter_is_newline (iter, dummy_ch))
{
skip_iter_to_newline_head (iter, dummy_ch);
break;
}
if (dummy_ch == '\t')
line_indent += TAB_SIZE;
else
(*parenthesis_indentation)++;
}
(*parenthesis_indentation)++;
line_indent += extra_indent;
}
else
{
gint line_for_indent =
ianjuta_editor_get_line_from_position (editor, iter, NULL);
line_indent = get_line_indentation (editor, line_for_indent);
line_indent += extra_indent;
(*parenthesis_indentation) += g_settings_get_int (plugin->settings,
PREF_INDENT_PARENTHESIS_SIZE);
}
/* Although statement is incomplete at this point, we don't
* set it to incomplete and just leave it to unknown to avaoid
* increating indentation for it, because incomplete braces,
* overrides any existing indentation
*/
*incomplete_statement = -1;
break;
}
else if (point_ch == ';' || point_ch == ',')
{
/* If we encounter statement-end before any non-whitespace
* char, the statement is complete.
*/
if (*incomplete_statement == -1)
*incomplete_statement = 0;
}
else if (point_ch == ':' && *colon_indent == FALSE)
{
/* This is a forward reference, all lines below should have
* increased indentation until the next statement has
* a ':'
* If current line indentation is zero, that we don't indent
*/
IAnjutaIterable* new_iter = ianjuta_iterable_clone (iter, NULL);
IAnjutaIterable* line_begin;
gboolean indent = FALSE;
gchar c;
/* Is the last non-whitespace in line */
while (ianjuta_iterable_next (new_iter, NULL))
{
c = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (new_iter),
0, NULL);
if (!isspace(c))
break;
if (iter_is_newline (new_iter, c))
{
indent = TRUE;
break;
}
}
line_begin = ianjuta_editor_get_line_begin_position(editor,
ianjuta_editor_get_line_from_position(editor, iter, NULL),
NULL);
c = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (line_begin),
0, NULL);
if (indent)
{
*colon_indent = TRUE;
if (*incomplete_statement == -1)
*incomplete_statement = 0;
}
if (indent && isspace(c))
{
extra_indent += INDENT_SIZE;
}
g_object_unref (new_iter);
g_object_unref (line_begin);
}
else if (iter_is_newline (iter, point_ch))
{
skip_iter_to_newline_head (iter, point_ch);
/* We just crossed a line boundary. Skip any preprocessor lines,
* and ensure that line_indent is updated with correct real
* previous non-preprocessor line.
*/
if (skip_preprocessor_lines (editor, iter) &&
looking_at_just_next_line)
{
/*
gint line = ianjuta_editor_get_line_from_position (editor, iter, NULL);
line_indent = get_line_indentation (editor, line);
*/
}
looking_at_just_next_line = FALSE;
line_checked_for_comment = FALSE;
}
else if (!isspace (point_ch))
{
/* If we encounter any non-whitespace char before any of the
* statement-complete indicators, the statement is basically
* incomplete
*/
if (*incomplete_statement == -1)
*incomplete_statement = 1;
}
}
if (!line_indent && extra_indent)
{
line_indent += extra_indent;
}
g_object_unref (iter);
return line_indent;
}
/* Skips to the end-of-line of previous non-preprocessor line. Any multiple
* preprocessor lines are skipped. If current
* line is not preprocessor line, nothing happens. If there is no previous
* non-preprocessor line (we are at first line of the document which happens
* to be preprocessor line), iter is set to the first character in the
* document. It returns TRUE if the line is preprocessor line, otherwise
* FALSE.
*/
static gboolean
skip_preprocessor_lines (IAnjutaEditor *editor, IAnjutaIterable *iter)
{
gboolean line_found = FALSE;
gboolean preprocessor_found = FALSE;
IAnjutaIterable *new_iter = ianjuta_iterable_clone (iter, NULL);
do
{
gboolean is_preprocessor = FALSE;
if (skip_iter_to_previous_logical_line (editor, new_iter))
{
gchar ch;
ch = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (new_iter),
0, NULL);
skip_iter_to_newline_tail (new_iter, ch);
ianjuta_iterable_next (new_iter, NULL);
}
do
{
gchar ch = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (new_iter),
0, NULL);
if (ch == '#')
{
is_preprocessor = TRUE;
/*
DEBUG_PRINT ("Line %d is preprocessor line .. Skipping",
ianjuta_editor_get_line_from_position
(editor, new_iter, NULL));
*/
break;
}
if (iter_is_newline (new_iter, ch) || !isspace (ch))
{
skip_iter_to_newline_tail (new_iter, ch);
break;
}
}
while (ianjuta_iterable_next (new_iter, NULL));
if (is_preprocessor)
{
line_found = skip_iter_to_previous_line (editor, new_iter);
ianjuta_iterable_assign (iter, new_iter, NULL);
preprocessor_found = TRUE;
}
else
{
/*
DEBUG_PRINT ("Line %d is *not* preprocessor line .. Breaking",
ianjuta_editor_get_line_from_position
(editor, new_iter, NULL));
*/
break;
}
}
while (line_found);
g_object_unref (new_iter);
return preprocessor_found;
}
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);
}
static gint
get_line_auto_indentation (IndentCPlugin *plugin, IAnjutaEditor *editor,
gint line, gint *parenthesis_indentation)
{
IAnjutaIterable *iter;
IAnjutaIterable *end_iter;
gint line_indent = 0;
gint incomplete_statement = -1;
gboolean colon_indent = FALSE;
g_return_val_if_fail (line > 0, 0);
/* be sure to set a default if we're in the first line otherwise
* the pointer'll be left hanging with no value.
*/
*parenthesis_indentation = 0;
if (line == 1) /* First line */
{
return 0;
}
else
{
IAnjutaIterable* begin = ianjuta_editor_get_line_begin_position (editor, line -1 , NULL);
IAnjutaIterable* end = ianjuta_editor_get_line_end_position (editor, line -1 , NULL);
if (spaces_only (editor, begin, end))
{
set_line_indentation (plugin, editor, line -1, 0, 0);
}
g_object_unref (begin);
g_object_unref (end);
}
iter = ianjuta_editor_get_line_begin_position (editor, line, NULL);
if (is_iter_inside_string (iter))
{
line_indent = get_line_indentation (editor, line - 1);
}
else
{
line_indent = get_line_indentation_base (plugin, editor, line,
&incomplete_statement,
parenthesis_indentation,
&colon_indent);
}
if (colon_indent)
{
/* If the last non-whitespace character in the line is ":" then
* we remove the extra colon_indent
*/
end_iter = ianjuta_editor_get_line_end_position (editor, line, NULL);
gchar ch;
while (ianjuta_iterable_previous (end_iter, NULL))
{
ch = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (end_iter),
0, NULL);
if (ch == ':')
{
line_indent -= INDENT_SIZE;
break;
}
if (!isspace(ch) || iter_is_newline (end_iter, ch))
break;
}
g_object_unref (end_iter);
}
/* Determine what the first non-white char in the line is */
do
{
gchar ch;
/* Check if we are *inside* comment or string. Begining of comment
* or string does not count as inside. If inside, just align with
* previous indentation.
*/
if (is_iter_inside_string (iter))
{
line_indent = get_line_indentation (editor, line - 1);
break;
}
ch = ianjuta_editor_cell_get_char (IANJUTA_EDITOR_CELL (iter),
0, NULL);
if (iter_is_newline (iter, ch))
{
skip_iter_to_newline_tail (iter, ch);
/* First levels are excused from incomplete statement indent */
if (incomplete_statement == 1 && line_indent > 0)
line_indent += INDENT_SIZE;
break;
}
if (ch == '{')
{
if (line_indent > 0)
{
/* The first level braces are excused from brace indentation */
/*
DEBUG_PRINT ("Increasing indent level from %d to %d",
line_indent,
line_indent + BRACE_INDENT);
*/
line_indent += BRACE_INDENT;
/* It looks ugly to add extra indent after case: so remove that */
if (colon_indent)
line_indent -= INDENT_SIZE;
}
break;
}
else if (ch == '}')
{
ianjuta_iterable_previous (iter, NULL);
if (anjuta_util_jump_to_matching_brace (iter, ch, -1))
{
gint line = ianjuta_editor_get_line_from_position (editor,
iter,
NULL);
line_indent = get_line_indentation (editor, line);
}
break;
}
else if (ch == '#')
{
line_indent = 0;
*parenthesis_indentation = 0;
}
else if (!isspace (ch))
{
/* First levels are excused from incomplete statement indent */
if (incomplete_statement == 1 && line_indent > 0)
line_indent += INDENT_SIZE;
break;
}
}
while (ianjuta_iterable_next (iter, NULL));
g_object_unref (iter);
return line_indent;
}
