Example #1
0
int utf8len(const char *s, int len){
  const char *p = s;
  int n = 0, nc = 0;
  while(*p != '\0' && n < len){
    int k = utf8charlen(*p);
    n += k;
    nc++;
    p += k;
  }
  if(n > len) return -1;
  return nc;
}
static inline const char* skipChar( const char* si)
{
	unsigned char charsize = utf8charlen( *si);
	if (!charsize)
	{
		throw strus::runtime_error(_TXT( "illegal UTF-8 character in input: %u"), (unsigned int)(unsigned char)*si);
	}
	else
	{
		return si+charsize;
	}
}
Example #3
0
char *utf8substr(const char *s, int len){
  int n = 0, size = 0;
  const char *p = s;
  int l;
  while((l = utf8charlen(*p)) && n != len){
    p += l;
    size += l;
    n++;
  }
  if(l == 0) size++;
  char *str = new char[size + 1];
  strncpy(str, s, size);
  str[size] = '\0';

  return str;
}
Example #4
0
static widget_handler_status_T
display_button(struct dialog_data *dlg_data, struct widget_data *widget_data)
{
	struct terminal *term = dlg_data->win->term;
	struct color_pair *color, *shortcut_color;
	struct el_box *pos = &widget_data->box;
	int len, x;
	int sel = is_selected_widget(dlg_data, widget_data);

	if (sel) {
		shortcut_color = get_bfu_color(term, "dialog.button-shortcut-selected");
		color =  get_bfu_color(term, "dialog.button-selected");
	} else {
		shortcut_color = get_bfu_color(term, "dialog.button-shortcut");
		color =  get_bfu_color(term, "dialog.button");
	}
	if (!color || !shortcut_color) return EVENT_PROCESSED;

#ifdef CONFIG_UTF8
	if (term->utf8_cp) {
		int button_left_len = utf8_ptr2cells(BUTTON_LEFT, NULL);
		int button_right_len = utf8_ptr2cells(BUTTON_RIGHT, NULL);

		x = pos->x + button_left_len;
		len = widget_data->box.width -
			(button_left_len + button_right_len);

	} else
#endif /* CONFIG_UTF8 */
	{
		x = pos->x + BUTTON_LEFT_LEN;
		len = widget_data->box.width - BUTTON_LR_LEN;
	}


	draw_dlg_text(dlg_data, pos->x, pos->y, BUTTON_LEFT, BUTTON_LEFT_LEN, 0, color);
	if (len > 0) {
		unsigned char *text = widget_data->widget->text;
		int hk_pos = widget_data->widget->info.button.hotkey_pos;
		int attr;

		attr = get_opt_bool("ui.dialogs.underline_button_shortcuts",
		                    NULL)
		     ? SCREEN_ATTR_UNDERLINE : 0;

#ifdef CONFIG_UTF8
		if (term->utf8_cp) {
			if (hk_pos >= 0) {
				int hk_bytes = utf8charlen(&text[hk_pos+1]);
				int cells_to_hk = utf8_ptr2cells(text,
						&text[hk_pos]);
				int right = widget_data->widget->info.button.truetextlen
					- hk_pos
					- hk_bytes;

				int hk_cells = utf8_char2cells(&text[hk_pos
								      + 1],
								NULL);

				if (hk_pos)
					draw_dlg_text(dlg_data, x, pos->y,
						  text, hk_pos, 0, color);

				draw_dlg_text(dlg_data, x + cells_to_hk, pos->y,
					  &text[hk_pos + 1], hk_bytes,
					  attr, shortcut_color);

				if (right > 1)
					draw_dlg_text(dlg_data, x+cells_to_hk+hk_cells,
						  pos->y,
						  &text[hk_pos + hk_bytes + 1],
						  right - 1, 0, color);

			} else {
				int hk_width = utf8_char2cells(text, NULL);
				int hk_len = utf8charlen(text);
				int len_to_display =
					utf8_cells2bytes(&text[hk_len],
							 len - hk_width,
							 NULL);

				draw_dlg_text(dlg_data, x, pos->y,
					  text, hk_len,
					  attr, shortcut_color);

				draw_dlg_text(dlg_data, x + hk_width, pos->y,
					  &text[hk_len], len_to_display,
					  0, color);
			}
		} else
#endif /* CONFIG_UTF8 */
		if (hk_pos >= 0) {
			int right = widget_data->widget->info.button.truetextlen - hk_pos - 1;

			if (hk_pos) {
				draw_dlg_text(dlg_data, x, pos->y, text, hk_pos, 0, color);
			}
			draw_dlg_text(dlg_data, x + hk_pos, pos->y,
				  &text[hk_pos + 1], 1, attr, shortcut_color);
			if (right > 1) {
				draw_dlg_text(dlg_data, x + hk_pos + 1, pos->y,
					  &text[hk_pos + 2], right - 1, 0, color);
			}

		} else {
			draw_dlg_text(dlg_data, x, pos->y, text, 1, attr, shortcut_color);
			draw_dlg_text(dlg_data, x + 1, pos->y, &text[1], len - 1, 0, color);
		}
	}
#ifdef CONFIG_UTF8
	if (term->utf8_cp) {
		int text_cells = utf8_ptr2cells(widget_data->widget->text, NULL);
		int hk = (widget_data->widget->info.button.hotkey_pos >= 0);

		draw_dlg_text(dlg_data, x + text_cells - hk, pos->y,
			  BUTTON_RIGHT, BUTTON_RIGHT_LEN, 0, color);
	} else
#endif /* CONFIG_UTF8 */
		draw_dlg_text(dlg_data, x + len, pos->y, BUTTON_RIGHT,
			  BUTTON_RIGHT_LEN, 0, color);
	if (sel) {
		set_dlg_cursor(term, dlg_data, x, pos->y, 1);
		set_dlg_window_ptr(dlg_data, dlg_data->win, pos->x, pos->y);
	}
	return EVENT_PROCESSED;
}
Example #5
0
const char *utf8nextchar(const char *s){
  return s + utf8charlen(*s);
}
Example #6
0
/** Allocates a line_info table describing the layout of the textarea buffer.
 *
 * @param text		the text to format; must be in UTF-8
 * @param width		is max width and the offset at which @a text will be
 *			wrapped
 * @param wrap		controls how the wrapping of @a text is performed
 * @param format	is non zero the @a text will be modified to make it
 *			suitable for encoding it for form posting
 */
static struct line_info *
format_textutf8(unsigned char *text, int width, enum form_wrap wrap, int format)
{
	struct line_info *line = NULL;
	int line_number = 0;
	int begin = 0;
	int pos = 0;
	unsigned char *text_end;
	int skip;
	unsigned char *wrappos=NULL;
	int chars_cells=0; /* Number of console chars on line */

	assert(text);
	if_assert_failed return NULL;

	/* Allocate the ending entries */
	if (!realloc_line_info(&line, 0))
		return NULL;

	text_end = text + strlen(text);
	while (text[pos]) {
		int char_cells = utf8_char2cells(&text[pos], text_end);

		if (text[pos] == ' ')
			wrappos = &text[pos];

		if (text[pos] == '\n') {
			skip = 1;

		} else if (wrap == FORM_WRAP_NONE || chars_cells + char_cells < width) {
			pos += utf8charlen(&text[pos]);
			chars_cells += char_cells;
			continue;

		} else {
			if (wrappos) {
				/* When formatting text for form submitting we
				 * have to apply the wrapping mode. */
				if (wrap == FORM_WRAP_HARD && format)
					*wrappos = '\n';
				pos = wrappos - text;
			}
			skip = !!wrappos;
		}

		if (!realloc_line_info(&line, line_number)) {
			mem_free_if(line);
			return NULL;
		}

		line[line_number].last_char_width = char_cells;
		line[line_number].split_next = !skip;
		line[line_number].start = begin;
		line[line_number++].end = pos;
		line[line_number].split_prev = !skip;

		begin = pos += skip;

		chars_cells = 0;
		wrappos = NULL;
	}

	line[line_number].split_next = 0;

	/* Flush the last text before the loop ended */
	line[line_number].start = begin;
	line[line_number++].end = pos;

	/* Add end marker */
	line[line_number].start = line[line_number].end = -1;

	line[line_number].split_next = line[line_number].split_prev = 0;
	line[0].split_prev = 0;

	return line;
}