+static void
+modest_text_utils_convert_buffer_to_html (GString *html, const gchar *data)
+{
+ guint i;
+ gboolean space_seen = FALSE;
+ gsize len;
+
+ len = strlen (data);
+
+ /* replace with special html chars where needed*/
+ for (i = 0; i != len; ++i) {
+ char kar = data[i];
+
+ if (space_seen && kar != ' ') {
+ g_string_append_c (html, ' ');
+ space_seen = FALSE;
+ }
+
+ switch (kar) {
+ case 0: break; /* ignore embedded \0s */
+ case '<' : g_string_append (html, "<"); break;
+ case '>' : g_string_append (html, ">"); break;
+ case '&' : g_string_append (html, "&"); break;
+ case '"' : g_string_append (html, """); break;
+ case '\'' : g_string_append (html, "'"); break;
+ case '\n' : g_string_append (html, "<br>\n"); break;
+ case '\t' : g_string_append (html, " "); break; /* note the space at the end*/
+ case ' ':
+ if (space_seen) { /* second space in a row */
+ g_string_append (html, "  ");
+ space_seen = FALSE;
+ } else
+ space_seen = TRUE;
+ break;
+ default:
+ g_string_append_c (html, kar);
+ }
+ }
+}
+
+gchar*
+modest_text_utils_convert_to_html (const gchar *data)
+{
+ GString *html;
+ gsize len;
+
+ if (!data)
+ return NULL;
+
+ len = strlen (data);
+ html = g_string_sized_new (1.5 * len); /* just a guess... */
+
+ g_string_append_printf (html,
+ "<html><head>"
+ "<meta http-equiv=\"content-type\" content=\"text/html; charset=utf8\">"
+ "</head>"
+ "<body>");
+
+ modest_text_utils_convert_buffer_to_html (html, data);
+
+ g_string_append (html, "</body></html>");
+ hyperlinkify_plain_text (html);
+
+ return g_string_free (html, FALSE);
+}
+
+gchar *
+modest_text_utils_convert_to_html_body (const gchar *data)
+{
+ GString *html;
+ gsize len;
+
+ if (!data)
+ return NULL;
+
+ len = strlen (data);
+ html = g_string_sized_new (1.5 * len); /* just a guess... */
+
+ modest_text_utils_convert_buffer_to_html (html, data);
+
+ hyperlinkify_plain_text (html);
+
+ return g_string_free (html, FALSE);
+}
+
+void
+modest_text_utils_get_addresses_indexes (const gchar *addresses, GSList **start_indexes, GSList **end_indexes)
+{
+ gchar *current, *start, *last_blank;
+ gint start_offset = 0, current_offset = 0;
+
+ g_return_if_fail (start_indexes != NULL);
+ g_return_if_fail (end_indexes != NULL);
+
+ start = (gchar *) addresses;
+ current = start;
+ last_blank = start;
+
+ while (*current != '\0') {
+ if ((start == current)&&((*current == ' ')||(*current == ',')||(*current == ';'))) {
+ start = g_utf8_next_char (start);
+ start_offset++;
+ last_blank = current;
+ } else if ((*current == ',')||(*current == ';')) {
+ gint *start_index, *end_index;
+ start_index = g_new0(gint, 1);
+ end_index = g_new0(gint, 1);
+ *start_index = start_offset;
+ *end_index = current_offset;
+ *start_indexes = g_slist_prepend (*start_indexes, start_index);
+ *end_indexes = g_slist_prepend (*end_indexes, end_index);
+ start = g_utf8_next_char (current);
+ start_offset = current_offset + 1;
+ last_blank = start;
+ } else if (*current == '"') {
+ current = g_utf8_next_char (current);
+ current_offset ++;
+ while ((*current != '"')&&(*current != '\0')) {
+ current = g_utf8_next_char (current);
+ current_offset ++;
+ }
+ }
+
+ current = g_utf8_next_char (current);
+ current_offset ++;
+ }
+
+ if (start != current) {
+ gint *start_index, *end_index;
+ start_index = g_new0(gint, 1);
+ end_index = g_new0(gint, 1);
+ *start_index = start_offset;
+ *end_index = current_offset;
+ *start_indexes = g_slist_prepend (*start_indexes, start_index);
+ *end_indexes = g_slist_prepend (*end_indexes, end_index);
+ }
+
+ *start_indexes = g_slist_reverse (*start_indexes);
+ *end_indexes = g_slist_reverse (*end_indexes);
+
+ return;
+}
+
+GSList *
+modest_text_utils_split_addresses_list (const gchar *addresses)
+{
+ gchar *current, *start, *last_blank;
+ GSList *result = NULL;
+
+ start = (gchar *) addresses;
+ current = start;
+ last_blank = start;
+
+ while (*current != '\0') {
+ if ((start == current)&&((*current == ' ')||(*current == ',')||(*current == ';'))) {
+ start = g_utf8_next_char (start);
+ last_blank = current;
+ } else if ((*current == ',')||(*current == ';')) {
+ gchar *new_address = NULL;
+ new_address = g_strndup (start, current - last_blank);
+ result = g_slist_prepend (result, new_address);
+ start = g_utf8_next_char (current);
+ last_blank = start;
+ } else if (*current == '\"') {
+ if (current == start) {
+ current = g_utf8_next_char (current);
+ start = g_utf8_next_char (start);
+ }
+ while ((*current != '\"')&&(*current != '\0'))
+ current = g_utf8_next_char (current);
+ }
+
+ current = g_utf8_next_char (current);
+ }
+
+ if (start != current) {
+ gchar *new_address = NULL;
+ new_address = g_strndup (start, current - last_blank);
+ result = g_slist_prepend (result, new_address);
+ }
+
+ result = g_slist_reverse (result);
+ return result;
+
+}
+
+void
+modest_text_utils_address_range_at_position (const gchar *recipients_list,
+ gint position,
+ gint *start,
+ gint *end)
+{
+ gchar *current = NULL;
+ gint range_start = 0;
+ gint range_end = 0;
+ gint index;
+ gboolean is_quoted = FALSE;
+
+ index = 0;
+ for (current = (gchar *) recipients_list; *current != '\0'; current = g_utf8_find_next_char (current, NULL)) {
+ gunichar c = g_utf8_get_char (current);
+
+ if ((c == ',') && (!is_quoted)) {
+ if (index < position) {
+ range_start = index + 1;
+ } else {
+ break;
+ }
+ } else if (c == '\"') {
+ is_quoted = !is_quoted;
+ } else if ((c == ' ') &&(range_start == index)) {
+ range_start ++;
+ }
+ index ++;
+ range_end = index;
+ }
+
+ if (start)
+ *start = range_start;
+ if (end)
+ *end = range_end;
+}
+
+
+/* ******************************************************************* */
+/* ************************* UTILIY FUNCTIONS ************************ */
+/* ******************************************************************* */
+
+static GString *
+get_next_line (const gchar * b, const gsize blen, const gchar * iter)
+{
+ GString *gs;
+ const gchar *i0;
+
+ if (iter > b + blen)
+ return g_string_new("");
+
+ i0 = iter;
+ while (iter[0]) {
+ if (iter[0] == '\n')
+ break;
+ iter++;
+ }
+ gs = g_string_new_len (i0, iter - i0);
+ return gs;
+}