1 /* Copyright (c) 2006, Nokia Corporation
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * * Neither the name of the Nokia Corporation nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #endif /*_GNU_SOURCE*/
35 #include <string.h> /* for strcasestr */
40 #include <glib/gi18n.h>
42 #include <modest-tny-platform-factory.h>
43 #include <modest-text-utils.h>
44 #include <modest-runtime.h>
49 #endif /*HAVE_CONFIG_H */
52 #define FORWARD_STRING _("mcen_ia_editor_original_message")
53 #define FROM_STRING _("mail_va_from")
54 #define SENT_STRING _("mcen_fi_message_properties_sent")
55 #define TO_STRING _("mail_va_to")
56 #define SUBJECT_STRING _("mail_va_subject")
57 #define EMPTY_STRING ""
60 * do the hyperlinkification only for texts < 50 Kb,
61 * as it's quite slow. Without this, e.g. mail with
62 * an uuencoded part (which is not recognized as attachment,
65 #define HYPERLINKIFY_MAX_LENGTH (1024*50)
68 * we need these regexps to find URLs in plain text e-mails
70 typedef struct _url_match_pattern_t url_match_pattern_t;
71 struct _url_match_pattern_t {
77 typedef struct _url_match_t url_match_t;
86 * we mark the ampersand with \007 when converting text->html
87 * because after text->html we do hyperlink detecting, which
88 * could be screwed up by the ampersand.
89 * ie. 1<3 ==> 1\007lt;3
91 #define MARK_AMP '\007'
92 #define MARK_AMP_STR "\007"
94 /* mark & separately, because they are parts of urls.
95 * ie. a&b => a\006amp;b, but a>b => a\007gt;b
97 * we need to handle '&' separately, because it can be part of URIs
98 * (as in href="http://foo.bar?a=1&b=1"), so inside those URIs
99 * we need to re-replace \006amp; with '&' again, while outside uri's
102 * yes, it's messy, but a consequence of doing text->html first, then hyperlinkify
104 #define MARK_AMP_URI '\006'
105 #define MARK_AMP_URI_STR "\006"
108 /* note: match MARK_AMP_URI_STR as well, because after txt->html, a '&' will look like $(MARK_AMP_URI_STR)"amp;" */
109 #define MAIL_VIEWER_URL_MATCH_PATTERNS { \
110 { "(feed:|)(file|rtsp|http|ftp|https|mms|mmsh|webcal|feed|rtsp|rdp|lastfm|sip)://[-a-z0-9_$.+!*(),;:@%=\?/~#&" MARK_AMP_URI_STR \
111 "]+[-a-z0-9_$%&" MARK_AMP_URI_STR "=?/~#]", \
113 { "www\\.[-a-z0-9_$.+!*(),;:@%=?/~#" MARK_AMP_URI_STR "]+[-a-z0-9_$%" MARK_AMP_URI_STR "=?/~#]",\
115 { "ftp\\.[-a-z0-9_$.+!*(),;:@%=?/~#" MARK_AMP_URI_STR "]+[-a-z0-9_$%" MARK_AMP_URI_STR "=?/~#]",\
117 { "(jabberto|voipto|sipto|sip|chatto|skype|xmpp):[-_a-z@0-9.+]+", \
119 { "mailto:[-_a-z0-9.\\+]+@[-_a-z0-9.]+", \
121 { "[-_a-z0-9.\\+]+@[-_a-z0-9.]+",\
125 const gchar account_title_forbidden_chars[] = {
126 '\\', '/', ':', '*', '?', '\'', '<', '>', '|', '^'
128 const gchar folder_name_forbidden_chars[] = {
129 '<', '>', ':', '\'', '/', '\\', '|', '?', '*', '^', '%', '$', '#', '&'
131 const gchar user_name_forbidden_chars[] = {
134 const guint ACCOUNT_TITLE_FORBIDDEN_CHARS_LENGTH = G_N_ELEMENTS (account_title_forbidden_chars);
135 const guint FOLDER_NAME_FORBIDDEN_CHARS_LENGTH = G_N_ELEMENTS (folder_name_forbidden_chars);
136 const guint USER_NAME_FORBIDDEN_CHARS_LENGTH = G_N_ELEMENTS (user_name_forbidden_chars);
139 static gchar* cite (const time_t sent_date, const gchar *from);
140 static void hyperlinkify_plain_text (GString *txt, gint offset);
141 static gint cmp_offsets_reverse (const url_match_t *match1, const url_match_t *match2);
142 static GSList* get_url_matches (GString *txt, gint offset);
144 static GString* get_next_line (const char *b, const gsize blen, const gchar * iter);
145 static int get_indent_level (const char *l);
146 static void unquote_line (GString * l, const gchar *quote_symbol);
147 static void append_quoted (GString * buf, const gchar *quote_symbol,
148 const int indent, const GString * str,
150 static int get_breakpoint_utf8 (const gchar * s, const gint indent, const gint limit);
151 static int get_breakpoint_ascii (const gchar * s, const gint indent, const gint limit);
152 static int get_breakpoint (const gchar * s, const gint indent, const gint limit);
154 static gchar* modest_text_utils_quote_plain_text (const gchar *text,
156 const gchar *signature,
160 static gchar* modest_text_utils_quote_html (const gchar *text,
162 const gchar *signature,
165 static gchar* get_email_from_address (const gchar *address);
168 /* ******************************************************************* */
169 /* ************************* PUBLIC FUNCTIONS ************************ */
170 /* ******************************************************************* */
173 modest_text_utils_quote (const gchar *text,
174 const gchar *content_type,
175 const gchar *signature,
177 const time_t sent_date,
181 gchar *retval, *cited;
183 g_return_val_if_fail (text, NULL);
184 g_return_val_if_fail (content_type, NULL);
186 cited = cite (sent_date, from);
188 if (content_type && strcmp (content_type, "text/html") == 0)
189 /* TODO: extract the <body> of the HTML and pass it to
191 retval = modest_text_utils_quote_html (text, cited, signature, attachments, limit);
193 retval = modest_text_utils_quote_plain_text (text, cited, signature, attachments, limit);
202 modest_text_utils_cite (const gchar *text,
203 const gchar *content_type,
204 const gchar *signature,
211 g_return_val_if_fail (text, NULL);
212 g_return_val_if_fail (content_type, NULL);
215 tmp_sig = g_strdup (text);
217 tmp_sig = g_strconcat (text, "\n", MODEST_TEXT_UTILS_SIGNATURE_MARKER, "\n", signature, NULL);
220 if (strcmp (content_type, "text/html") == 0) {
221 retval = modest_text_utils_convert_to_html_body (tmp_sig, -1, TRUE);
231 forward_cite (const gchar *from,
234 const gchar *subject)
236 g_return_val_if_fail (sent, NULL);
238 return g_strdup_printf ("%s\n%s %s\n%s %s\n%s %s\n%s %s\n",
240 FROM_STRING, (from)?from:"",
242 TO_STRING, (to)?to:"",
243 SUBJECT_STRING, (subject)?subject:"");
247 modest_text_utils_inline (const gchar *text,
248 const gchar *content_type,
249 const gchar *signature,
253 const gchar *subject)
259 g_return_val_if_fail (text, NULL);
260 g_return_val_if_fail (content_type, NULL);
262 modest_text_utils_strftime (sent_str, 100, "%c", sent_date);
264 cited = forward_cite (from, sent_str, to, subject);
266 if (content_type && strcmp (content_type, "text/html") == 0)
267 retval = modest_text_utils_quote_html (text, cited, signature, NULL, 80);
269 retval = modest_text_utils_quote_plain_text (text, cited, signature, NULL, 80);
275 /* just to prevent warnings:
276 * warning: `%x' yields only last 2 digits of year in some locales
279 modest_text_utils_strftime(char *s, gsize max, const char *fmt, time_t timet)
283 /* To prevent possible problems in strftime that could leave
284 garbage in the s variable */
290 /* does not work on old maemo glib:
291 * g_date_set_time_t (&date, timet);
293 localtime_r (&timet, &tm);
294 return strftime(s, max, fmt, &tm);
298 modest_text_utils_derived_subject (const gchar *subject, const gchar *prefix)
300 gchar *tmp, *subject_dup, *retval;
303 g_return_val_if_fail (prefix, NULL);
305 if (!subject || subject[0] == '\0')
306 subject = _("mail_va_no_subject");
308 subject_dup = g_strdup (subject);
309 tmp = g_strchug (subject_dup);
311 /* We do not want things like "Re: Re: Re:" or "Fw: Fw:" so
312 delete the previous ones */
313 prefix_len = strlen (prefix);
315 if (g_str_has_prefix (tmp, prefix)) {
317 tmp = g_strchug (tmp);
319 gchar *prefix_down, *tmp_down;
321 /* We need this to properly check the cases of
322 some clients adding FW: instead of Fw: for
324 prefix_down = g_utf8_strdown (prefix, -1);
325 tmp_down = g_utf8_strdown (tmp, -1);
326 if (g_str_has_prefix (tmp_down, prefix_down)) {
328 tmp = g_strchug (tmp);
329 g_free (prefix_down);
332 g_free (prefix_down);
339 retval = g_strdup_printf ("%s %s", prefix, tmp);
340 g_free (subject_dup);
346 modest_text_utils_remove_address (const gchar *address_list, const gchar *address)
348 gchar *dup, *token, *ptr = NULL, *result;
349 GString *filtered_emails;
350 gchar *email_address;
352 g_return_val_if_fail (address_list, NULL);
355 return g_strdup (address_list);
357 email_address = get_email_from_address (address);
359 /* search for substring */
360 if (!strstr ((const char *) address_list, (const char *) email_address)) {
361 g_free (email_address);
362 return g_strdup (address_list);
365 dup = g_strdup (address_list);
366 filtered_emails = g_string_new (NULL);
368 token = strtok_r (dup, ",", &ptr);
370 while (token != NULL) {
371 /* Add to list if not found */
372 if (!strstr ((const char *) token, (const char *) email_address)) {
373 if (filtered_emails->len == 0)
374 g_string_append_printf (filtered_emails, "%s", g_strstrip (token));
376 g_string_append_printf (filtered_emails, ",%s", g_strstrip (token));
378 token = strtok_r (NULL, ",", &ptr);
380 result = filtered_emails->str;
383 g_free (email_address);
385 g_string_free (filtered_emails, FALSE);
392 modest_text_utils_remove_duplicate_addresses (const gchar *address_list)
394 GSList *addresses, *cursor;
396 gchar *new_list = NULL;
398 g_return_val_if_fail (address_list, NULL);
400 table = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
401 addresses = modest_text_utils_split_addresses_list (address_list);
405 const gchar* address = (const gchar*)cursor->data;
407 /* We need only the email to just compare it and not
408 the full address which would make "a <a@a.com>"
409 different from "a@a.com" */
410 const gchar *email = get_email_from_address (address);
412 /* ignore the address if already seen */
413 if (g_hash_table_lookup (table, email) == 0) {
416 /* Include the full address and not only the
417 email in the returned list */
419 tmp = g_strdup (address);
421 tmp = g_strjoin (",", new_list, address, NULL);
426 g_hash_table_insert (table, (gchar*)email, GINT_TO_POINTER(1));
428 cursor = g_slist_next (cursor);
431 g_hash_table_unref (table);
432 g_slist_foreach (addresses, (GFunc)g_free, NULL);
433 g_slist_free (addresses);
435 if (new_list == NULL)
436 new_list = g_strdup ("");
443 modest_text_utils_convert_buffer_to_html_start (GString *html, const gchar *data, gssize n)
446 gboolean space_seen = FALSE;
447 guint break_dist = 0; /* distance since last break point */
452 /* replace with special html chars where needed*/
453 for (i = 0; i != n; ++i) {
454 guchar kar = data[i];
456 if (space_seen && kar != ' ') {
457 g_string_append (html, " ");
461 /* we artificially insert a breakpoint (newline)
462 * after 256, to make sure our lines are not so long
463 * they will DOS the regexping later
464 * Also, check that kar is ASCII to make sure that we
465 * don't break a UTF8 char in two
467 if (++break_dist >= 256 && kar < 127) {
468 g_string_append_c (html, '\n');
476 /* this is a temp place holder for '&'; we can only
477 * set the real '&' after hyperlink translation, otherwise
478 * we might screw that up */
479 break; /* ignore embedded \0s and MARK_AMP */
480 case '<' : g_string_append (html, MARK_AMP_STR "lt;"); break;
481 case '>' : g_string_append (html, MARK_AMP_STR "gt;"); break;
482 case '&' : g_string_append (html, MARK_AMP_URI_STR "amp;"); break; /* special case */
483 case '"' : g_string_append (html, MARK_AMP_STR "quot;"); break;
485 /* don't convert ' --> wpeditor will try to re-convert it... */
486 //case '\'' : g_string_append (html, "'"); break;
487 case '\n' : g_string_append (html, "<br>\n");break_dist= 0; break;
488 case '\t' : g_string_append (html, MARK_AMP_STR "nbsp;" MARK_AMP_STR "nbsp;" MARK_AMP_STR "nbsp; ");
489 break_dist=0; break; /* note the space at the end*/
492 if (space_seen) { /* second space in a row */
493 g_string_append (html, " ");
499 g_string_append_c (html, kar);
506 modest_text_utils_convert_buffer_to_html_finish (GString *html)
509 /* replace all our MARK_AMPs with real ones */
510 for (i = 0; i != html->len; ++i)
511 if ((html->str)[i] == MARK_AMP || (html->str)[i] == MARK_AMP_URI)
512 (html->str)[i] = '&';
517 modest_text_utils_convert_to_html (const gchar *data)
522 g_return_val_if_fail (data, NULL);
528 html = g_string_sized_new (1.5 * len); /* just a guess... */
530 g_string_append_printf (html,
532 "<meta http-equiv=\"content-type\" content=\"text/html; charset=utf8\">"
536 modest_text_utils_convert_buffer_to_html_start (html, data, -1);
538 g_string_append (html, "</body></html>");
540 if (len <= HYPERLINKIFY_MAX_LENGTH)
541 hyperlinkify_plain_text (html, 0);
543 modest_text_utils_convert_buffer_to_html_finish (html);
545 return g_string_free (html, FALSE);
549 modest_text_utils_convert_to_html_body (const gchar *data, gssize n, gboolean hyperlinkify)
553 g_return_val_if_fail (data, NULL);
560 html = g_string_sized_new (1.5 * n); /* just a guess... */
562 modest_text_utils_convert_buffer_to_html_start (html, data, n);
564 if (hyperlinkify && (n < HYPERLINKIFY_MAX_LENGTH))
565 hyperlinkify_plain_text (html, 0);
567 modest_text_utils_convert_buffer_to_html_finish (html);
569 return g_string_free (html, FALSE);
573 modest_text_utils_get_addresses_indexes (const gchar *addresses, GSList **start_indexes, GSList **end_indexes)
575 gchar *current, *start, *last_blank;
576 gint start_offset = 0, current_offset = 0;
578 g_return_if_fail (start_indexes != NULL);
579 g_return_if_fail (end_indexes != NULL);
581 start = (gchar *) addresses;
585 while (*current != '\0') {
586 if ((start == current)&&((*current == ' ')||(*current == ',')||(*current == ';'))) {
587 start = g_utf8_next_char (start);
589 last_blank = current;
590 } else if ((*current == ',')||(*current == ';')) {
591 gint *start_index, *end_index;
592 start_index = g_new0(gint, 1);
593 end_index = g_new0(gint, 1);
594 *start_index = start_offset;
595 *end_index = current_offset;
596 *start_indexes = g_slist_prepend (*start_indexes, start_index);
597 *end_indexes = g_slist_prepend (*end_indexes, end_index);
598 start = g_utf8_next_char (current);
599 start_offset = current_offset + 1;
601 } else if (*current == '"') {
602 current = g_utf8_next_char (current);
604 while ((*current != '"')&&(*current != '\0')) {
605 current = g_utf8_next_char (current);
610 current = g_utf8_next_char (current);
614 if (start != current) {
615 gint *start_index, *end_index;
616 start_index = g_new0(gint, 1);
617 end_index = g_new0(gint, 1);
618 *start_index = start_offset;
619 *end_index = current_offset;
620 *start_indexes = g_slist_prepend (*start_indexes, start_index);
621 *end_indexes = g_slist_prepend (*end_indexes, end_index);
624 *start_indexes = g_slist_reverse (*start_indexes);
625 *end_indexes = g_slist_reverse (*end_indexes);
632 modest_text_utils_split_addresses_list (const gchar *addresses)
635 const gchar *my_addrs = addresses;
638 gboolean after_at = FALSE;
640 g_return_val_if_fail (addresses, NULL);
642 /* skip any space, ',', ';' at the start */
643 while (my_addrs && (my_addrs[0] == ' ' || my_addrs[0] == ',' || my_addrs[0] == ';'))
646 /* are we at the end of addresses list? */
650 /* nope, we are at the start of some address
651 * now, let's find the end of the address */
653 while (end[0] && end[0] != ';' && !(after_at && end[0] == ',')) {
654 if (end[0] == '\"') {
655 while (end[0] && end[0] != '\"')
661 if ((end[0] && end[0] == '>')&&(end[1] && end[1] == ',')) {
668 /* we got the address; copy it and remove trailing whitespace */
669 addr = g_strndup (my_addrs, end - my_addrs);
672 head = g_slist_append (NULL, addr);
673 head->next = modest_text_utils_split_addresses_list (end); /* recurse */
680 modest_text_utils_address_range_at_position (const gchar *recipients_list,
685 gchar *current = NULL;
686 gint range_start = 0;
689 gboolean is_quoted = FALSE;
691 g_return_if_fail (recipients_list);
692 g_return_if_fail (position < g_utf8_strlen(recipients_list, -1));
695 for (current = (gchar *) recipients_list; *current != '\0';
696 current = g_utf8_find_next_char (current, NULL)) {
697 gunichar c = g_utf8_get_char (current);
699 if ((c == ',') && (!is_quoted)) {
700 if (index < position) {
701 range_start = index + 1;
705 } else if (c == '\"') {
706 is_quoted = !is_quoted;
707 } else if ((c == ' ') &&(range_start == index)) {
715 *start = range_start;
721 modest_text_utils_address_with_standard_length (const gchar *recipients_list)
725 GString *buffer = g_string_new ("");
727 splitted = g_strsplit (recipients_list, "\n", 0);
731 if (current != splitted)
732 buffer = g_string_append_c (buffer, '\n');
733 line = g_strndup (*splitted, 1000);
734 buffer = g_string_append (buffer, line);
739 g_strfreev (splitted);
741 return g_string_free (buffer, FALSE);
745 /* ******************************************************************* */
746 /* ************************* UTILIY FUNCTIONS ************************ */
747 /* ******************************************************************* */
750 get_next_line (const gchar * b, const gsize blen, const gchar * iter)
756 return g_string_new("");
764 gs = g_string_new_len (i0, iter - i0);
768 get_indent_level (const char *l)
785 /* if we hit the signature marker "-- ", we return -(indent + 1). This
786 * stops reformatting.
788 if (strcmp (l, MODEST_TEXT_UTILS_SIGNATURE_MARKER) == 0) {
796 unquote_line (GString * l, const gchar *quote_symbol)
802 quote_len = strlen (quote_symbol);
804 if (g_str_has_prefix (p, quote_symbol)) {
805 if (p[quote_len] == ' ') {
813 g_string_erase (l, 0, p - l->str);
817 append_quoted (GString * buf, const gchar *quote_symbol,
818 int indent, const GString * str,
824 indent = indent < 0 ? abs (indent) - 1 : indent;
825 quote_concat = g_strconcat (quote_symbol, " ", NULL);
826 for (i = 0; i <= indent; i++) {
827 g_string_append (buf, quote_concat);
829 g_free (quote_concat);
831 g_string_append_len (buf, str->str, cutpoint);
833 g_string_append (buf, str->str);
835 g_string_append (buf, "\n");
839 get_breakpoint_utf8 (const gchar * s, gint indent, const gint limit)
842 const gchar *pos, *last;
845 indent = indent < 0 ? abs (indent) - 1 : indent;
849 uni = g_utf8_to_ucs4_fast (s, -1, NULL);
851 if ((index + 2 * indent > limit) && last) {
855 if (g_unichar_isspace (uni[index])) {
858 pos = g_utf8_next_char (pos);
866 get_breakpoint_ascii (const gchar * s, const gint indent, const gint limit)
871 if (last + 2 * indent < limit)
874 for (i = strlen (s); i > 0; i--) {
876 if (i + 2 * indent <= limit) {
887 get_breakpoint (const gchar * s, const gint indent, const gint limit)
890 if (g_utf8_validate (s, -1, NULL)) {
891 return get_breakpoint_utf8 (s, indent, limit);
892 } else { /* assume ASCII */
893 //g_warning("invalid UTF-8 in msg");
894 return get_breakpoint_ascii (s, indent, limit);
899 cite (const time_t sent_date, const gchar *from)
901 return g_strdup (_("mcen_ia_editor_original_message"));
905 quoted_attachments (GList *attachments)
908 GString *result = g_string_new ("");
909 for (node = attachments; node != NULL; node = g_list_next (node)) {
910 gchar *filename = (gchar *) node->data;
911 g_string_append_printf ( result, "%s %s\n", _("mcen_ia_editor_attach_filename"), filename);
914 return g_string_free (result, FALSE);
919 modest_text_utils_quote_body (GString *output, const gchar *text,
920 const gchar *quote_symbol,
926 gint indent, breakpoint, rem_indent = 0;
927 GString *l, *remaining;
931 remaining = g_string_new ("");
933 l = get_next_line (text, len, iter);
934 iter = iter + l->len + 1;
935 indent = get_indent_level (l->str);
936 unquote_line (l, quote_symbol);
938 if (remaining->len) {
939 if (l->len && indent == rem_indent) {
940 g_string_prepend (l, " ");
941 g_string_prepend (l, remaining->str);
945 get_breakpoint (remaining->str,
948 append_quoted (output, quote_symbol, rem_indent,
949 remaining, breakpoint);
950 g_string_erase (remaining, 0,
952 if (remaining->str[0] == ' ') {
953 g_string_erase (remaining, 0,
956 } while (remaining->len);
959 g_string_free (remaining, TRUE);
960 breakpoint = get_breakpoint (l->str, indent, limit);
961 remaining = g_string_new (l->str + breakpoint);
962 if (remaining->str[0] == ' ') {
963 g_string_erase (remaining, 0, 1);
966 append_quoted (output, quote_symbol, indent, l, breakpoint);
967 g_string_free (l, TRUE);
968 } while ((iter < text + len) || (remaining->str[0]));
974 modest_text_utils_quote_plain_text (const gchar *text,
976 const gchar *signature,
981 gchar *attachments_string = NULL;
983 q = g_string_new ("");
985 if (signature != NULL) {
986 g_string_append_printf (q, "\n%s\n", MODEST_TEXT_UTILS_SIGNATURE_MARKER);
987 q = g_string_append (q, signature);
990 q = g_string_append (q, "\n");
991 q = g_string_append (q, cite);
992 q = g_string_append_c (q, '\n');
994 q = modest_text_utils_quote_body (q, text, ">", limit);
996 attachments_string = quoted_attachments (attachments);
997 q = g_string_append (q, attachments_string);
998 g_free (attachments_string);
1000 return g_string_free (q, FALSE);
1004 quote_html_add_to_gstring (GString *string,
1007 if (text && strcmp (text, "")) {
1008 gchar *html_text = modest_text_utils_convert_to_html_body (text, -1, TRUE);
1009 g_string_append_printf (string, "%s<br/>", html_text);
1015 modest_text_utils_quote_html (const gchar *text,
1017 const gchar *signature,
1021 GString *result_string;
1025 "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\n" \
1029 if (text || cite || signature) {
1030 GString *quoted_text;
1031 g_string_append (result_string, "<pre>\n");
1033 quote_html_add_to_gstring (result_string, MODEST_TEXT_UTILS_SIGNATURE_MARKER);
1034 quote_html_add_to_gstring (result_string, signature);
1036 quote_html_add_to_gstring (result_string, cite);
1037 quoted_text = g_string_new ("");
1038 quoted_text = modest_text_utils_quote_body (quoted_text, (text) ? text : "", ">", limit);
1039 quote_html_add_to_gstring (result_string, quoted_text->str);
1040 g_string_free (quoted_text, TRUE);
1042 gchar *attachments_string = quoted_attachments (attachments);
1043 quote_html_add_to_gstring (result_string, attachments_string);
1044 g_free (attachments_string);
1046 g_string_append (result_string, "</pre>");
1048 g_string_append (result_string, "</body>");
1049 g_string_append (result_string, "</html>");
1051 return g_string_free (result_string, FALSE);
1055 cmp_offsets_reverse (const url_match_t *match1, const url_match_t *match2)
1057 return match2->offset - match1->offset;
1060 static gint url_matches_block = 0;
1061 static url_match_pattern_t patterns[] = MAIL_VIEWER_URL_MATCH_PATTERNS;
1062 static GMutex *url_patterns_mutex = NULL;
1069 const size_t pattern_num = sizeof(patterns)/sizeof(url_match_pattern_t);
1070 for (i = 0; i != pattern_num; ++i) {
1071 patterns[i].preg = g_slice_new0 (regex_t);
1073 /* this should not happen */
1074 if (regcomp (patterns[i].preg, patterns[i].regex,
1075 REG_ICASE|REG_EXTENDED|REG_NEWLINE) != 0) {
1076 g_warning ("%s: error in regexp:\n%s\n", __FUNCTION__, patterns[i].regex);
1087 const size_t pattern_num = sizeof(patterns)/sizeof(url_match_pattern_t);
1088 for (i = 0; i != pattern_num; ++i) {
1089 regfree (patterns[i].preg);
1090 g_slice_free (regex_t, patterns[i].preg);
1091 } /* don't free patterns itself -- it's static */
1095 modest_text_utils_hyperlinkify_begin (void)
1098 if (url_patterns_mutex == NULL) {
1099 url_patterns_mutex = g_mutex_new ();
1101 g_mutex_lock (url_patterns_mutex);
1102 if (url_matches_block == 0)
1103 compile_patterns ();
1104 url_matches_block ++;
1105 g_mutex_unlock (url_patterns_mutex);
1109 modest_text_utils_hyperlinkify_end (void)
1111 g_mutex_lock (url_patterns_mutex);
1112 url_matches_block--;
1113 if (url_matches_block <= 0)
1115 g_mutex_unlock (url_patterns_mutex);
1120 get_url_matches (GString *txt, gint offset)
1123 guint rv, i, tmp_offset = 0;
1124 GSList *match_list = NULL;
1126 const size_t pattern_num = sizeof(patterns)/sizeof(url_match_pattern_t);
1128 /* initalize the regexps */
1129 modest_text_utils_hyperlinkify_begin ();
1131 /* find all the matches */
1132 for (i = 0; i != pattern_num; ++i) {
1133 tmp_offset = offset;
1136 gboolean is_submatch;
1139 if ((rv = regexec (patterns[i].preg, txt->str + tmp_offset, 1, &rm, 0)) != 0) {
1140 g_return_val_if_fail (rv == REG_NOMATCH, NULL); /* this should not happen */
1141 break; /* try next regexp */
1146 is_submatch = FALSE;
1147 /* check old matches to see if this has already been matched */
1148 cursor = match_list;
1149 while (cursor && !is_submatch) {
1150 const url_match_t *old_match =
1151 (const url_match_t *) cursor->data;
1152 guint new_offset = tmp_offset + rm.rm_so;
1153 is_submatch = (new_offset > old_match->offset &&
1154 new_offset < old_match->offset + old_match->len);
1155 cursor = g_slist_next (cursor);
1159 /* make a list of our matches (<offset, len, prefix> tupels)*/
1160 match = g_slice_new (url_match_t);
1161 match->offset = tmp_offset + rm.rm_so;
1162 match->len = rm.rm_eo - rm.rm_so;
1163 match->prefix = patterns[i].prefix;
1164 match_list = g_slist_prepend (match_list, match);
1166 tmp_offset += rm.rm_eo;
1170 modest_text_utils_hyperlinkify_end ();
1172 /* now sort the list, so the matches are in reverse order of occurence.
1173 * that way, we can do the replacements starting from the end, so we don't need
1174 * to recalculate the offsets
1176 match_list = g_slist_sort (match_list,
1177 (GCompareFunc)cmp_offsets_reverse);
1183 /* replace all occurences of needle in haystack with repl*/
1185 replace_string (const gchar *haystack, const gchar *needle, gchar repl)
1187 gchar *str, *cursor;
1189 if (!haystack || !needle || strlen(needle) == 0)
1190 return haystack ? g_strdup(haystack) : NULL;
1192 str = g_strdup (haystack);
1194 for (cursor = str; cursor && *cursor; ++cursor) {
1195 if (g_str_has_prefix (cursor, needle)) {
1197 memmove (cursor + 1,
1198 cursor + strlen (needle),
1199 strlen (cursor + strlen (needle)) + 1);
1207 hyperlinkify_plain_text (GString *txt, gint offset)
1210 GSList *match_list = get_url_matches (txt, offset);
1212 /* we will work backwards, so the offsets stay valid */
1213 for (cursor = match_list; cursor; cursor = cursor->next) {
1215 url_match_t *match = (url_match_t*) cursor->data;
1216 gchar *url = g_strndup (txt->str + match->offset, match->len);
1217 gchar *repl = NULL; /* replacement */
1219 /* the string still contains $(MARK_AMP_URI_STR)"amp;" for each
1220 * '&' in the original, because of the text->html conversion.
1221 * in the href-URL (and only there), we must convert that back to
1224 gchar *href_url = replace_string (url, MARK_AMP_URI_STR "amp;", '&');
1226 /* the prefix is NULL: use the one that is already there */
1227 repl = g_strdup_printf ("<a href=\"%s%s\">%s</a>",
1228 match->prefix ? match->prefix : EMPTY_STRING,
1231 /* replace the old thing with our hyperlink
1232 * replacement thing */
1233 g_string_erase (txt, match->offset, match->len);
1234 g_string_insert (txt, match->offset, repl);
1240 g_slice_free (url_match_t, match);
1243 g_slist_free (match_list);
1247 modest_text_utils_hyperlinkify (GString *string_buffer)
1252 after_body = strstr (string_buffer->str, "<body>");
1253 if (after_body != NULL)
1254 offset = after_body - string_buffer->str;
1255 hyperlinkify_plain_text (string_buffer, offset);
1259 /* for optimization reasons, we change the string in-place */
1261 modest_text_utils_get_display_address (gchar *address)
1265 g_return_if_fail (address);
1270 /* should not be needed, and otherwise, we probably won't screw up the address
1271 * more than it already is :)
1272 * g_return_val_if_fail (g_utf8_validate (address, -1, NULL), NULL);
1275 /* remove leading whitespace */
1276 if (address[0] == ' ')
1277 g_strchug (address);
1279 for (i = 0; address[i]; ++i) {
1280 if (address[i] == '<') {
1281 if (G_UNLIKELY(i == 0)) {
1282 break; /* there's nothing else, leave it */
1284 address[i] = '\0'; /* terminate the string here */
1290 g_strchomp (address);
1295 modest_text_utils_get_display_addresses (const gchar *recipients)
1298 GSList *recipient_list;
1301 recipient_list = modest_text_utils_split_addresses_list (recipients);
1302 if (recipient_list) {
1303 GString *add_string = g_string_sized_new (strlen (recipients));
1304 GSList *iter = recipient_list;
1305 gboolean first = TRUE;
1308 /* Strings are changed in place */
1309 modest_text_utils_get_display_address ((gchar *) iter->data);
1310 if (G_UNLIKELY (first)) {
1311 g_string_append_printf (add_string, "%s", (gchar *) iter->data);
1314 g_string_append_printf (add_string, ", %s", (gchar *) iter->data);
1316 iter = g_slist_next (iter);
1318 g_slist_foreach (recipient_list, (GFunc) g_free, NULL);
1319 g_slist_free (recipient_list);
1320 addresses = g_string_free (add_string, FALSE);
1328 modest_text_utils_get_email_address (const gchar *full_address)
1330 const gchar *left, *right;
1332 g_return_val_if_fail (full_address, NULL);
1337 g_return_val_if_fail (g_utf8_validate (full_address, -1, NULL), NULL);
1339 left = g_strrstr_len (full_address, strlen(full_address), "<");
1341 return g_strdup (full_address);
1343 right = g_strstr_len (left, strlen(left), ">");
1345 return g_strdup (full_address);
1347 return g_strndup (left + 1, right - left - 1);
1351 modest_text_utils_get_subject_prefix_len (const gchar *sub)
1353 gint prefix_len = 0;
1355 g_return_val_if_fail (sub, 0);
1360 /* optimization: "Re", "RE", "re","Fwd", "FWD", "fwd","FW","Fw", "fw" */
1361 if (sub[0] != 'R' && sub[0] != 'F' && sub[0] != 'r' && sub[0] != 'f')
1363 else if (sub[0] && sub[1] != 'e' && sub[1] != 'E' && sub[1] != 'w' && sub[1] != 'W')
1370 /* skip over a [...] block */
1371 if (sub[prefix_len] == '[') {
1372 int c = prefix_len + 1;
1373 while (sub[c] && sub[c] != ']')
1376 return 0; /* no end to the ']' found */
1381 /* did we find the ':' ? */
1382 if (sub[prefix_len] == ':') {
1384 if (sub[prefix_len] == ' ')
1386 prefix_len += modest_text_utils_get_subject_prefix_len (sub + prefix_len);
1387 /* g_warning ("['%s','%s']", sub, (char*) sub + prefix_len); */
1395 modest_text_utils_utf8_strcmp (const gchar* s1, const gchar *s2, gboolean insensitive)
1398 /* work even when s1 and/or s2 == NULL */
1399 if (G_UNLIKELY(s1 == s2))
1401 if (G_UNLIKELY(!s1))
1403 if (G_UNLIKELY(!s2))
1406 /* if it's not case sensitive */
1409 /* optimization: shortcut if first char is ascii */
1410 if (((s1[0] & 0x80)== 0) && ((s2[0] & 0x80) == 0) &&
1412 return s1[0] - s2[0];
1414 return g_utf8_collate (s1, s2);
1420 /* optimization: shortcut if first char is ascii */
1421 if (((s1[0] & 0x80) == 0) && ((s2[0] & 0x80) == 0) &&
1422 (tolower(s1[0]) != tolower (s2[0])))
1423 return tolower(s1[0]) - tolower(s2[0]);
1425 n1 = g_utf8_strdown (s1, -1);
1426 n2 = g_utf8_strdown (s2, -1);
1428 result = g_utf8_collate (n1, n2);
1439 modest_text_utils_get_display_date (time_t date)
1441 #define DATE_BUF_SIZE 64
1442 static gchar date_buf[DATE_BUF_SIZE];
1444 /* calculate the # of days since epoch for
1445 * for today and for the date provided
1446 * based on idea from pvanhoof */
1447 int day = time(NULL) / (24 * 60 * 60);
1448 int date_day = date / (24 * 60 * 60);
1450 /* if it's today, show the time, if it's not today, show the date instead */
1452 /* TODO: take into account the system config for 24/12h */
1453 #ifdef MODEST_TOOLKIT_HILDON2
1454 if (day == date_day) /* is the date today? */
1455 modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, _HL("wdgt_va_24h_time"), date);
1457 modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, _HL("wdgt_va_date"), date);
1459 if (day == date_day) /* is the date today? */
1460 modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, "%X", date);
1462 modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, "%x", date);
1465 return date_buf; /* this is a static buffer, don't free! */
1471 modest_text_utils_validate_folder_name (const gchar *folder_name)
1473 /* based on http://msdn2.microsoft.com/en-us/library/aa365247.aspx,
1474 * with some extras */
1478 const gchar **cursor = NULL;
1479 const gchar *forbidden_names[] = { /* windows does not like these */
1480 "CON", "PRN", "AUX", "NUL", ".", "..", "cur", "tmp", "new",
1481 NULL /* cur, tmp, new are reserved for Maildir */
1484 /* cannot be NULL */
1488 /* cannot be empty */
1489 len = strlen(folder_name);
1493 /* cannot start with a dot, vfat does not seem to like that */
1494 if (folder_name[0] == '.')
1497 /* cannot start or end with a space */
1498 if (g_ascii_isspace(folder_name[0]) || g_ascii_isspace(folder_name[len - 1]))
1501 /* cannot contain a forbidden char */
1502 for (i = 0; i < len; i++)
1503 if (modest_text_utils_is_forbidden_char (folder_name[i], FOLDER_NAME_FORBIDDEN_CHARS))
1506 /* Cannot contain Windows port numbers. I'd like to use GRegex
1507 but it's still not available in Maemo. sergio */
1508 if (!g_ascii_strncasecmp (folder_name, "LPT", 3) ||
1509 !g_ascii_strncasecmp (folder_name, "COM", 3)) {
1513 /* We skip the first 3 characters for the
1515 val = strtol(folder_name+3, &endptr, 10);
1517 /* If the conversion to long succeeded then the string
1518 is not valid for us */
1519 if (*endptr == '\0')
1525 /* cannot contain a forbidden word */
1527 for (cursor = forbidden_names; cursor && *cursor; ++cursor) {
1528 if (g_ascii_strcasecmp (folder_name, *cursor) == 0)
1533 return TRUE; /* it's valid! */
1539 modest_text_utils_validate_domain_name (const gchar *domain)
1541 gboolean valid = FALSE;
1543 const gchar* domain_regex = "^([a-z0-9-]*[a-z0-9]\\.)+[a-z0-9-]*[a-z0-9]$";
1545 g_return_val_if_fail (domain, FALSE);
1550 memset (&rx, 0, sizeof(regex_t)); /* coverity wants this... */
1552 /* domain name: all alphanum or '-' or '.',
1553 * but beginning/ending in alphanum */
1554 if (regcomp (&rx, domain_regex, REG_ICASE|REG_EXTENDED|REG_NOSUB)) {
1555 g_warning ("BUG: error in regexp");
1559 valid = (regexec (&rx, domain, 1, NULL, 0) == 0);
1568 modest_text_utils_validate_email_address (const gchar *email_address,
1569 const gchar **invalid_char_position)
1572 const gchar *c = NULL, *domain = NULL;
1573 static gchar *rfc822_specials = "()<>@,;:\\\"[]&";
1575 if (invalid_char_position)
1576 *invalid_char_position = NULL;
1578 g_return_val_if_fail (email_address, FALSE);
1580 /* check that the email adress contains exactly one @ */
1581 if (!strstr(email_address, "@") ||
1582 (strstr(email_address, "@") != g_strrstr(email_address, "@")))
1585 /* first we validate the name portion (name@domain) */
1586 for (c = email_address; *c; c++) {
1588 (c == email_address ||
1590 *(c - 1) == '\"')) {
1594 if (*c == '\\' && (*++c == ' '))
1596 if (*c <= ' ' || *c >= 127)
1609 if (*c <= ' ' || *c >= 127)
1611 if (strchr(rfc822_specials, *c)) {
1612 if (invalid_char_position)
1613 *invalid_char_position = c;
1617 if (c == email_address || *(c - 1) == '.')
1620 /* next we validate the domain portion (name@domain) */
1621 if (!*(domain = ++c))
1625 if (c == domain || *(c - 1) == '.' || *(c + 1) == '\0')
1629 if (*c <= ' ' || *c >= 127)
1631 if (strchr(rfc822_specials, *c)) {
1632 if (invalid_char_position)
1633 *invalid_char_position = c;
1638 return (count >= 1) ? TRUE : FALSE;
1642 modest_text_utils_validate_recipient (const gchar *recipient, const gchar **invalid_char_position)
1644 gchar *stripped, *current;
1646 gboolean has_error = FALSE;
1648 if (invalid_char_position)
1649 *invalid_char_position = NULL;
1651 g_return_val_if_fail (recipient, FALSE);
1653 if (modest_text_utils_validate_email_address (recipient, invalid_char_position))
1656 stripped = g_strdup (recipient);
1657 stripped = g_strstrip (stripped);
1660 if (*current == '\0') {
1666 if (*current == '\"') {
1667 current = g_utf8_next_char (current);
1669 for (; *current != '\0'; current = g_utf8_next_char (current)) {
1670 if (*current == '\\') {
1671 /* TODO: This causes a warning, which breaks the build,
1672 * because a gchar cannot be < 0.
1674 if (current[1] <0) {
1679 } else if (*current == '\"') {
1681 current = g_utf8_next_char (current);
1687 for (current = stripped ; *current != '\0'; current = g_utf8_next_char (current)) {
1688 if (*current == '<') {
1700 right_part = g_strdup (current);
1702 right_part = g_strstrip (right_part);
1704 if (g_str_has_prefix (right_part, "<") &&
1705 g_str_has_suffix (right_part, ">")) {
1709 address = g_strndup (right_part+1, strlen (right_part) - 2);
1710 g_free (right_part);
1711 valid = modest_text_utils_validate_email_address (address, invalid_char_position);
1715 g_free (right_part);
1722 modest_text_utils_get_display_size (guint64 size)
1724 const guint KB=1024;
1725 const guint MB=1024 * KB;
1726 const guint GB=1024 * MB;
1729 return g_strdup_printf (_FM("sfil_li_size_kb"), (int) 0);
1730 if (0 <= size && size < KB)
1731 return g_strdup_printf (_FM("sfil_li_size_1kb_99kb"), (int) 1);
1732 else if (KB <= size && size < 100 * KB)
1733 return g_strdup_printf (_FM("sfil_li_size_1kb_99kb"), (int) size / KB);
1734 else if (100*KB <= size && size < MB)
1735 return g_strdup_printf (_FM("sfil_li_size_100kb_1mb"), (int) size / KB);
1736 else if (MB <= size && size < 10*MB)
1737 return g_strdup_printf (_FM("sfil_li_size_1mb_10mb"), (float) size / MB);
1738 else if (10*MB <= size && size < GB)
1739 return g_strdup_printf (_FM("sfil_li_size_10mb_1gb"), (float) size / MB);
1741 return g_strdup_printf (_FM("sfil_li_size_1gb_or_greater"), (float) size / GB);
1745 get_email_from_address (const gchar * address)
1747 gchar *left_limit, *right_limit;
1749 left_limit = strstr (address, "<");
1750 right_limit = g_strrstr (address, ">");
1752 if ((left_limit == NULL)||(right_limit == NULL)|| (left_limit > right_limit))
1753 return g_strdup (address);
1755 return g_strndup (left_limit + 1, (right_limit - left_limit) - 1);
1759 modest_text_utils_get_color_string (GdkColor *color)
1761 g_return_val_if_fail (color, NULL);
1763 return g_strdup_printf ("#%x%x%x%x%x%x%x%x%x%x%x%x",
1764 (color->red >> 12) & 0xf, (color->red >> 8) & 0xf,
1765 (color->red >> 4) & 0xf, (color->red) & 0xf,
1766 (color->green >> 12) & 0xf, (color->green >> 8) & 0xf,
1767 (color->green >> 4) & 0xf, (color->green) & 0xf,
1768 (color->blue >> 12) & 0xf, (color->blue >> 8) & 0xf,
1769 (color->blue >> 4) & 0xf, (color->blue) & 0xf);
1773 modest_text_utils_text_buffer_get_text (GtkTextBuffer *buffer)
1775 GtkTextIter start, end;
1776 gchar *slice, *current;
1777 GString *result = g_string_new ("");
1779 g_return_val_if_fail (buffer && GTK_IS_TEXT_BUFFER (buffer), NULL);
1781 gtk_text_buffer_get_start_iter (buffer, &start);
1782 gtk_text_buffer_get_end_iter (buffer, &end);
1784 slice = gtk_text_buffer_get_slice (buffer, &start, &end, FALSE);
1787 while (current && current != '\0') {
1788 if (g_utf8_get_char (current) == 0xFFFC) {
1789 result = g_string_append_c (result, ' ');
1790 current = g_utf8_next_char (current);
1792 gchar *next = g_utf8_strchr (current, -1, 0xFFFC);
1794 result = g_string_append (result, current);
1796 result = g_string_append_len (result, current, next - current);
1803 return g_string_free (result, FALSE);
1808 modest_text_utils_is_forbidden_char (const gchar character,
1809 ModestTextUtilsForbiddenCharType type)
1812 const gchar *forbidden_chars = NULL;
1814 /* We need to get the length in the switch because the
1815 compiler needs to know the size at compile time */
1817 case ACCOUNT_TITLE_FORBIDDEN_CHARS:
1818 forbidden_chars = account_title_forbidden_chars;
1819 len = G_N_ELEMENTS (account_title_forbidden_chars);
1821 case FOLDER_NAME_FORBIDDEN_CHARS:
1822 forbidden_chars = folder_name_forbidden_chars;
1823 len = G_N_ELEMENTS (folder_name_forbidden_chars);
1825 case USER_NAME_FORBIDDEN_NAMES:
1826 forbidden_chars = user_name_forbidden_chars;
1827 len = G_N_ELEMENTS (user_name_forbidden_chars);
1830 g_return_val_if_reached (TRUE);
1833 for (i = 0; i < len ; i++)
1834 if (forbidden_chars[i] == character)
1837 return FALSE; /* it's valid! */
1841 modest_text_utils_label_get_selection (GtkLabel *label)
1846 if (gtk_label_get_selection_bounds (GTK_LABEL (label), &start, &end)) {
1847 const gchar *start_offset;
1848 const gchar *end_offset;
1849 start_offset = gtk_label_get_text (GTK_LABEL (label));
1850 start_offset = g_utf8_offset_to_pointer (start_offset, start);
1851 end_offset = gtk_label_get_text (GTK_LABEL (label));
1852 end_offset = g_utf8_offset_to_pointer (end_offset, end);
1853 selection = g_strndup (start_offset, end_offset - start_offset);
1856 return g_strdup ("");
1861 _forward_search_image_char (gunichar ch,
1864 return (ch == 0xFFFC);
1868 modest_text_utils_buffer_selection_is_valid (GtkTextBuffer *buffer)
1871 GtkTextIter start, end;
1873 g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), FALSE);
1875 result = gtk_text_buffer_get_has_selection (GTK_TEXT_BUFFER (buffer));
1877 /* check there are no images in selection */
1879 gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
1880 if (gtk_text_iter_get_char (&start)== 0xFFFC)
1883 gtk_text_iter_backward_char (&end);
1884 if (gtk_text_iter_forward_find_char (&start, _forward_search_image_char,
1895 remove_quotes (gchar **quotes)
1897 if (g_str_has_prefix (*quotes, "\"") && g_str_has_suffix (*quotes, "\"")) {
1899 result = g_strndup ((*quotes)+1, strlen (*quotes) - 2);
1906 modest_text_utils_escape_mnemonics (const gchar *text)
1909 GString *result = NULL;
1914 result = g_string_new ("");
1915 for (p = text; *p != '\0'; p++) {
1917 result = g_string_append (result, "__");
1919 result = g_string_append_c (result, *p);
1922 return g_string_free (result, FALSE);
1926 modest_text_utils_simplify_recipients (const gchar *recipients)
1928 GSList *addresses, *node;
1930 gboolean is_first = TRUE;
1932 if (recipients == NULL)
1933 return g_strdup ("");
1935 addresses = modest_text_utils_split_addresses_list (recipients);
1936 result = g_string_new ("");
1938 for (node = addresses; node != NULL; node = g_slist_next (node)) {
1939 const gchar *address = (const gchar *) node->data;
1940 gchar *left_limit, *right_limit;
1942 left_limit = strstr (address, "<");
1943 right_limit = g_strrstr (address, ">");
1948 result = g_string_append (result, ", ");
1950 if ((left_limit == NULL)||(right_limit == NULL)|| (left_limit > right_limit)) {
1951 result = g_string_append (result, address);
1955 name_side = g_strndup (address, left_limit - address);
1956 name_side = g_strstrip (name_side);
1957 remove_quotes (&name_side);
1958 email_side = get_email_from_address (address);
1959 if (name_side && email_side && !strcmp (name_side, email_side)) {
1960 result = g_string_append (result, email_side);
1962 result = g_string_append (result, address);
1965 g_free (email_side);
1969 g_slist_foreach (addresses, (GFunc)g_free, NULL);
1970 g_slist_free (addresses);
1972 return g_string_free (result, FALSE);
1977 modest_text_utils_remove_duplicate_addresses_list (GSList *address_list)
1979 GSList *new_list, *iter;
1982 g_return_val_if_fail (address_list, NULL);
1984 table = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
1986 new_list = address_list;
1987 iter = address_list;
1989 const gchar* address = (const gchar*)iter->data;
1991 /* We need only the email to just compare it and not
1992 the full address which would make "a <a@a.com>"
1993 different from "a@a.com" */
1994 const gchar *email = get_email_from_address (address);
1996 /* ignore the address if already seen */
1997 if (g_hash_table_lookup (table, email) == 0) {
1998 g_hash_table_insert (table, (gchar*)email, GINT_TO_POINTER(1));
1999 iter = g_slist_next (iter);
2001 GSList *tmp = g_slist_next (iter);
2002 new_list = g_slist_delete_link (new_list, iter);
2007 g_hash_table_unref (table);