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);
166 static void remove_extra_spaces (gchar *string);
170 /* ******************************************************************* */
171 /* ************************* PUBLIC FUNCTIONS ************************ */
172 /* ******************************************************************* */
175 modest_text_utils_quote (const gchar *text,
176 const gchar *content_type,
177 const gchar *signature,
179 const time_t sent_date,
183 gchar *retval, *cited;
185 g_return_val_if_fail (text, NULL);
186 g_return_val_if_fail (content_type, NULL);
188 cited = cite (sent_date, from);
190 if (content_type && strcmp (content_type, "text/html") == 0)
191 /* TODO: extract the <body> of the HTML and pass it to
193 retval = modest_text_utils_quote_html (text, cited, signature, attachments, limit);
195 retval = modest_text_utils_quote_plain_text (text, cited, signature, attachments, limit);
204 modest_text_utils_cite (const gchar *text,
205 const gchar *content_type,
206 const gchar *signature,
213 g_return_val_if_fail (text, NULL);
214 g_return_val_if_fail (content_type, NULL);
217 tmp_sig = g_strdup (text);
219 tmp_sig = g_strconcat (text, "\n", MODEST_TEXT_UTILS_SIGNATURE_MARKER, "\n", signature, NULL);
222 if (strcmp (content_type, "text/html") == 0) {
223 retval = modest_text_utils_convert_to_html_body (tmp_sig, -1, TRUE);
233 forward_cite (const gchar *from,
236 const gchar *subject)
238 g_return_val_if_fail (sent, NULL);
240 return g_strdup_printf ("%s\n%s %s\n%s %s\n%s %s\n%s %s\n",
242 FROM_STRING, (from)?from:"",
244 TO_STRING, (to)?to:"",
245 SUBJECT_STRING, (subject)?subject:"");
249 modest_text_utils_inline (const gchar *text,
250 const gchar *content_type,
251 const gchar *signature,
255 const gchar *subject)
261 g_return_val_if_fail (text, NULL);
262 g_return_val_if_fail (content_type, NULL);
264 modest_text_utils_strftime (sent_str, 100, "%c", sent_date);
266 cited = forward_cite (from, sent_str, to, subject);
268 if (content_type && strcmp (content_type, "text/html") == 0)
269 retval = modest_text_utils_quote_html (text, cited, signature, NULL, 80);
271 retval = modest_text_utils_quote_plain_text (text, cited, signature, NULL, 80);
277 /* just to prevent warnings:
278 * warning: `%x' yields only last 2 digits of year in some locales
281 modest_text_utils_strftime(char *s, gsize max, const char *fmt, time_t timet)
285 /* To prevent possible problems in strftime that could leave
286 garbage in the s variable */
292 /* does not work on old maemo glib:
293 * g_date_set_time_t (&date, timet);
295 localtime_r (&timet, &tm);
296 return strftime(s, max, fmt, &tm);
300 modest_text_utils_derived_subject (const gchar *subject, gboolean is_reply)
302 gchar *tmp, *subject_dup, *retval, *prefix;
303 const gchar *untranslated_prefix;
304 gint prefix_len, untranslated_prefix_len;
305 gboolean found = FALSE;
307 if (!subject || subject[0] == '\0')
308 subject = _("mail_va_no_subject");
310 subject_dup = g_strdup (subject);
311 tmp = g_strchug (subject_dup);
313 prefix = (is_reply) ? _("mail_va_re") : _("mail_va_fw");
314 prefix = g_strconcat (prefix, ":", NULL);
315 prefix_len = g_utf8_strlen (prefix, -1);
317 untranslated_prefix = (is_reply) ? "Re:" : "Fw:";
318 untranslated_prefix_len = 3;
320 if (g_str_has_prefix (tmp, prefix) ||
321 g_str_has_prefix (tmp, untranslated_prefix)) {
324 gchar *prefix_down, *tmp_down, *untranslated_down;
326 prefix_down = g_utf8_strdown (prefix, -1);
327 untranslated_down = g_utf8_strdown (untranslated_prefix, -1);
328 tmp_down = g_utf8_strdown (tmp, -1);
329 if (g_str_has_prefix (tmp_down, prefix_down) ||
330 g_str_has_prefix (tmp_down, untranslated_down) ||
331 (!is_reply && g_str_has_prefix (tmp_down, "fwd:")))
334 g_free (prefix_down);
335 g_free (untranslated_down);
340 /* If the prefix is already present do not touch the subject */
341 retval = subject_dup;
343 /* Normal case, add the prefix */
344 retval = g_strdup_printf ("%s %s", untranslated_prefix, tmp);
345 g_free (subject_dup);
353 /* Performs a case-insensitive strstr for ASCII strings */
355 ascii_stristr(const gchar *haystack, const gchar *needle)
360 const gchar *max_pos;
362 if (haystack == NULL || needle == NULL) {
363 return haystack; /* as in strstr */
366 needle_len = strlen(needle);
368 if (needle_len == 0) {
369 return haystack; /* as in strstr */
372 haystack_len = strlen(haystack);
373 max_pos = haystack + haystack_len - needle_len;
375 for (pos = haystack; pos <= max_pos; pos++) {
376 if (g_ascii_strncasecmp (pos, needle, needle_len) == 0) {
386 modest_text_utils_remove_address (const gchar *address_list, const gchar *address)
388 gchar *dup, *token, *ptr = NULL, *result;
389 GString *filtered_emails;
390 gchar *email_address;
392 g_return_val_if_fail (address_list, NULL);
395 return g_strdup (address_list);
397 email_address = get_email_from_address (address);
399 /* search for substring */
400 if (!ascii_stristr ((const char *) address_list, (const char *) email_address)) {
401 g_free (email_address);
402 return g_strdup (address_list);
405 dup = g_strdup (address_list);
406 filtered_emails = g_string_new (NULL);
408 token = strtok_r (dup, ",", &ptr);
410 while (token != NULL) {
411 /* Add to list if not found */
412 if (!ascii_stristr ((const char *) token, (const char *) email_address)) {
413 if (filtered_emails->len == 0)
414 g_string_append_printf (filtered_emails, "%s", g_strstrip (token));
416 g_string_append_printf (filtered_emails, ",%s", g_strstrip (token));
418 token = strtok_r (NULL, ",", &ptr);
420 result = filtered_emails->str;
423 g_free (email_address);
425 g_string_free (filtered_emails, FALSE);
432 modest_text_utils_remove_duplicate_addresses (const gchar *address_list)
434 GSList *addresses, *cursor;
436 gchar *new_list = NULL;
438 g_return_val_if_fail (address_list, NULL);
440 table = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
441 addresses = modest_text_utils_split_addresses_list (address_list);
445 const gchar* address = (const gchar*)cursor->data;
447 /* We need only the email to just compare it and not
448 the full address which would make "a <a@a.com>"
449 different from "a@a.com" */
450 const gchar *email = get_email_from_address (address);
452 /* ignore the address if already seen */
453 if (g_hash_table_lookup (table, email) == 0) {
456 /* Include the full address and not only the
457 email in the returned list */
459 tmp = g_strdup (address);
461 tmp = g_strjoin (",", new_list, address, NULL);
466 g_hash_table_insert (table, (gchar*)email, GINT_TO_POINTER(1));
468 cursor = g_slist_next (cursor);
471 g_hash_table_unref (table);
472 g_slist_foreach (addresses, (GFunc)g_free, NULL);
473 g_slist_free (addresses);
475 if (new_list == NULL)
476 new_list = g_strdup ("");
483 modest_text_utils_convert_buffer_to_html_start (GString *html, const gchar *data, gssize n)
486 gboolean space_seen = FALSE;
487 guint break_dist = 0; /* distance since last break point */
492 /* replace with special html chars where needed*/
493 for (i = 0; i != n; ++i) {
494 guchar kar = data[i];
496 if (space_seen && kar != ' ') {
497 g_string_append (html, " ");
501 /* we artificially insert a breakpoint (newline)
502 * after 256, to make sure our lines are not so long
503 * they will DOS the regexping later
504 * Also, check that kar is ASCII to make sure that we
505 * don't break a UTF8 char in two
507 if (++break_dist >= 256 && kar < 127) {
508 g_string_append_c (html, '\n');
516 /* this is a temp place holder for '&'; we can only
517 * set the real '&' after hyperlink translation, otherwise
518 * we might screw that up */
519 break; /* ignore embedded \0s and MARK_AMP */
520 case '<' : g_string_append (html, MARK_AMP_STR "lt;"); break;
521 case '>' : g_string_append (html, MARK_AMP_STR "gt;"); break;
522 case '&' : g_string_append (html, MARK_AMP_URI_STR "amp;"); break; /* special case */
523 case '"' : g_string_append (html, MARK_AMP_STR "quot;"); break;
525 /* don't convert ' --> wpeditor will try to re-convert it... */
526 //case '\'' : g_string_append (html, "'"); break;
527 case '\n' : g_string_append (html, "<br>\n");break_dist= 0; break;
528 case '\t' : g_string_append (html, MARK_AMP_STR "nbsp;" MARK_AMP_STR "nbsp;" MARK_AMP_STR "nbsp; ");
529 break_dist=0; break; /* note the space at the end*/
532 if (space_seen) { /* second space in a row */
533 g_string_append (html, " ");
538 g_string_append_c (html, kar);
545 modest_text_utils_convert_buffer_to_html_finish (GString *html)
548 /* replace all our MARK_AMPs with real ones */
549 for (i = 0; i != html->len; ++i)
550 if ((html->str)[i] == MARK_AMP || (html->str)[i] == MARK_AMP_URI)
551 (html->str)[i] = '&';
556 modest_text_utils_convert_to_html (const gchar *data)
561 g_return_val_if_fail (data, NULL);
567 html = g_string_sized_new (1.5 * len); /* just a guess... */
569 g_string_append_printf (html,
571 "<meta http-equiv=\"content-type\" content=\"text/html; charset=utf8\">"
575 modest_text_utils_convert_buffer_to_html_start (html, data, -1);
577 g_string_append (html, "</body></html>");
579 if (len <= HYPERLINKIFY_MAX_LENGTH)
580 hyperlinkify_plain_text (html, 0);
582 modest_text_utils_convert_buffer_to_html_finish (html);
584 return g_string_free (html, FALSE);
588 modest_text_utils_convert_to_html_body (const gchar *data, gssize n, gboolean hyperlinkify)
592 g_return_val_if_fail (data, NULL);
599 html = g_string_sized_new (1.5 * n); /* just a guess... */
601 modest_text_utils_convert_buffer_to_html_start (html, data, n);
603 if (hyperlinkify && (n < HYPERLINKIFY_MAX_LENGTH))
604 hyperlinkify_plain_text (html, 0);
606 modest_text_utils_convert_buffer_to_html_finish (html);
608 return g_string_free (html, FALSE);
612 modest_text_utils_get_addresses_indexes (const gchar *addresses, GSList **start_indexes, GSList **end_indexes)
620 if (strlen (addresses) == 0)
623 str = g_string_new ("");
624 start = (gchar*) addresses;
625 cur = (gchar*) addresses;
627 for (cur = start; *cur != '\0'; cur = g_utf8_next_char (cur)) {
628 if (*cur == ',' || *cur == ';') {
629 gint *start_index, *end_index;
630 gchar *next_char = g_utf8_next_char (cur);
632 if (!g_utf8_strchr (start, (cur - start + 1), g_utf8_get_char ("@")) &&
633 next_char && *next_char != '\n' && *next_char != '\0')
636 start_index = g_new0 (gint, 1);
637 end_index = g_new0 (gint, 1);
638 *start_index = g_utf8_pointer_to_offset (addresses, start);
639 *end_index = g_utf8_pointer_to_offset (addresses, cur);;
640 *start_indexes = g_slist_prepend (*start_indexes, start_index);
641 *end_indexes = g_slist_prepend (*end_indexes, end_index);
642 start = g_utf8_next_char (cur);
647 gint *start_index, *end_index;
648 start_index = g_new0 (gint, 1);
649 end_index = g_new0 (gint, 1);
650 *start_index = g_utf8_pointer_to_offset (addresses, start);
651 *end_index = g_utf8_pointer_to_offset (addresses, cur);;
652 *start_indexes = g_slist_prepend (*start_indexes, start_index);
653 *end_indexes = g_slist_prepend (*end_indexes, end_index);
657 *start_indexes = g_slist_reverse (*start_indexes);
659 *end_indexes = g_slist_reverse (*end_indexes);
664 modest_text_utils_split_addresses_list (const gchar *addresses)
667 const gchar *my_addrs = addresses;
670 gboolean after_at = FALSE;
672 g_return_val_if_fail (addresses, NULL);
674 /* skip any space, ',', ';' '\n' at the start */
675 while (my_addrs && (my_addrs[0] == ' ' || my_addrs[0] == ',' ||
676 my_addrs[0] == ';' || my_addrs[0] == '\n'))
679 /* are we at the end of addresses list? */
683 /* nope, we are at the start of some address
684 * now, let's find the end of the address */
686 while (end[0] && end[0] != ';' && !(after_at && end[0] == ',')) {
687 if (end[0] == '\"') {
688 while (end[0] && end[0] != '\"')
694 if ((end[0] && end[0] == '>')&&(end[1] && end[1] == ',')) {
701 /* we got the address; copy it and remove trailing whitespace */
702 addr = g_strndup (my_addrs, end - my_addrs);
705 remove_extra_spaces (addr);
707 head = g_slist_append (NULL, addr);
708 head->next = modest_text_utils_split_addresses_list (end); /* recurse */
714 modest_text_utils_join_addresses (const gchar *from,
720 gboolean add_separator = FALSE;
722 buffer = g_string_new ("");
724 if (from && strlen (from)) {
725 buffer = g_string_append (buffer, from);
726 add_separator = TRUE;
728 if (to && strlen (to)) {
730 buffer = g_string_append (buffer, "; ");
732 add_separator = TRUE;
734 buffer = g_string_append (buffer, to);
736 if (cc && strlen (cc)) {
738 buffer = g_string_append (buffer, "; ");
740 add_separator = TRUE;
742 buffer = g_string_append (buffer, cc);
744 if (bcc && strlen (bcc)) {
746 buffer = g_string_append (buffer, "; ");
748 add_separator = TRUE;
750 buffer = g_string_append (buffer, bcc);
753 return g_string_free (buffer, FALSE);
757 modest_text_utils_address_range_at_position (const gchar *recipients_list,
762 gchar *current = NULL;
763 gint range_start = 0;
766 gboolean is_quoted = FALSE;
768 g_return_if_fail (recipients_list);
769 g_return_if_fail (position < g_utf8_strlen(recipients_list, -1));
772 for (current = (gchar *) recipients_list; *current != '\0';
773 current = g_utf8_find_next_char (current, NULL)) {
774 gunichar c = g_utf8_get_char (current);
776 if ((c == ',') && (!is_quoted)) {
777 if (index < position) {
778 range_start = index + 1;
782 } else if (c == '\"') {
783 is_quoted = !is_quoted;
784 } else if ((c == ' ') &&(range_start == index)) {
792 *start = range_start;
798 modest_text_utils_address_with_standard_length (const gchar *recipients_list)
802 GString *buffer = g_string_new ("");
804 splitted = g_strsplit (recipients_list, "\n", 0);
808 if (current != splitted)
809 buffer = g_string_append_c (buffer, '\n');
810 line = g_strndup (*splitted, 1000);
811 buffer = g_string_append (buffer, line);
816 g_strfreev (splitted);
818 return g_string_free (buffer, FALSE);
822 /* ******************************************************************* */
823 /* ************************* UTILIY FUNCTIONS ************************ */
824 /* ******************************************************************* */
827 get_next_line (const gchar * b, const gsize blen, const gchar * iter)
833 return g_string_new("");
841 gs = g_string_new_len (i0, iter - i0);
845 get_indent_level (const char *l)
862 /* if we hit the signature marker "-- ", we return -(indent + 1). This
863 * stops reformatting.
865 if (strcmp (l, MODEST_TEXT_UTILS_SIGNATURE_MARKER) == 0) {
873 unquote_line (GString * l, const gchar *quote_symbol)
879 quote_len = strlen (quote_symbol);
881 if (g_str_has_prefix (p, quote_symbol)) {
882 if (p[quote_len] == ' ') {
890 g_string_erase (l, 0, p - l->str);
894 append_quoted (GString * buf, const gchar *quote_symbol,
895 int indent, const GString * str,
901 indent = indent < 0 ? abs (indent) - 1 : indent;
902 quote_concat = g_strconcat (quote_symbol, " ", NULL);
903 for (i = 0; i <= indent; i++) {
904 g_string_append (buf, quote_concat);
906 g_free (quote_concat);
908 g_string_append_len (buf, str->str, cutpoint);
910 g_string_append (buf, str->str);
912 g_string_append (buf, "\n");
916 get_breakpoint_utf8 (const gchar * s, gint indent, const gint limit)
919 const gchar *pos, *last;
922 if (2*indent >= limit)
925 indent = indent < 0 ? abs (indent) - 1 : indent;
929 uni = g_utf8_to_ucs4_fast (s, -1, NULL);
931 if ((index + 2 * indent > limit) && last) {
935 if (g_unichar_isspace (uni[index])) {
938 pos = g_utf8_next_char (pos);
946 get_breakpoint_ascii (const gchar * s, const gint indent, const gint limit)
951 if (last + 2 * indent < limit)
954 for (i = strlen (s); i > 0; i--) {
956 if (i + 2 * indent <= limit) {
967 get_breakpoint (const gchar * s, const gint indent, const gint limit)
970 if (g_utf8_validate (s, -1, NULL)) {
971 return get_breakpoint_utf8 (s, indent, limit);
972 } else { /* assume ASCII */
973 //g_warning("invalid UTF-8 in msg");
974 return get_breakpoint_ascii (s, indent, limit);
979 cite (const time_t sent_date, const gchar *from)
981 return g_strdup (_("mcen_ia_editor_original_message"));
985 quoted_attachments (GList *attachments)
988 GString *result = g_string_new ("");
989 for (node = attachments; node != NULL; node = g_list_next (node)) {
990 gchar *filename = (gchar *) node->data;
991 g_string_append_printf ( result, "%s %s\n", _("mcen_ia_editor_attach_filename"), filename);
994 return g_string_free (result, FALSE);
999 modest_text_utils_quote_body (GString *output, const gchar *text,
1000 const gchar *quote_symbol,
1006 gint indent = 0, breakpoint, rem_indent = 0;
1007 GString *l, *remaining;
1008 gchar *forced_wrap_append;
1012 remaining = g_string_new ("");
1013 forced_wrap_append = NULL;
1016 if (forced_wrap_append) {
1017 gint next_line_indent;
1018 gint l_len_with_indent;
1020 g_string_erase (remaining, 0, -1);
1021 next_line_indent = get_indent_level (iter);
1022 l = get_next_line (text, len, iter);
1023 l_len_with_indent = l->len;
1024 unquote_line (l, quote_symbol);
1025 if ((l->str && l->str[0] == '\0') || (next_line_indent != indent)) {
1026 g_string_free (l, TRUE);
1027 l = g_string_new (forced_wrap_append);
1029 gunichar first_in_l;
1030 iter = iter + l_len_with_indent + 1;
1031 first_in_l = g_utf8_get_char_validated (l->str, l->len);
1032 if (!g_unichar_isspace (first_in_l))
1033 l = g_string_prepend (l, " ");
1034 l = g_string_prepend (l, forced_wrap_append);
1036 g_free (forced_wrap_append);
1037 forced_wrap_append = NULL;
1039 l = get_next_line (text, len, iter);
1040 iter = iter + l->len + 1;
1041 indent = get_indent_level (l->str);
1042 unquote_line (l, quote_symbol);
1045 if (remaining->len) {
1046 if (l->len && indent == rem_indent) {
1047 g_string_prepend (l, " ");
1048 g_string_prepend (l, remaining->str);
1051 gunichar remaining_first;
1053 get_breakpoint (remaining->str,
1056 if (breakpoint < remaining->len) {
1057 g_free (forced_wrap_append);
1058 forced_wrap_append = g_strdup (remaining->str + breakpoint);
1060 if (!forced_wrap_append)
1061 append_quoted (output, quote_symbol, rem_indent,
1062 remaining, breakpoint);
1064 g_string_erase (remaining, 0,
1066 remaining_first = g_utf8_get_char_validated (remaining->str, remaining->len);
1067 if (remaining_first != ((gunichar) -1)) {
1068 if (g_unichar_isspace (remaining_first)) {
1069 g_string_erase (remaining, 0, g_utf8_next_char (remaining->str) - remaining->str);
1072 } while (remaining->len);
1075 g_string_free (remaining, TRUE);
1076 breakpoint = get_breakpoint (l->str, indent, limit);
1077 remaining = g_string_new (l->str + breakpoint);
1078 if (remaining->str[0] == ' ') {
1079 g_string_erase (remaining, 0, 1);
1081 rem_indent = indent;
1082 if (remaining->len > 0) {
1083 g_free (forced_wrap_append);
1084 forced_wrap_append = g_strdup (remaining->str);
1086 append_quoted (output, quote_symbol, indent, l, breakpoint);
1087 g_string_free (l, TRUE);
1088 } while ((iter < text + len) || (remaining->str[0]) || forced_wrap_append);
1094 modest_text_utils_quote_plain_text (const gchar *text,
1096 const gchar *signature,
1101 gchar *attachments_string = NULL;
1103 q = g_string_new ("");
1105 if (signature != NULL) {
1106 g_string_append_printf (q, "\n%s\n", MODEST_TEXT_UTILS_SIGNATURE_MARKER);
1107 q = g_string_append (q, signature);
1110 q = g_string_append (q, "\n");
1111 q = g_string_append (q, cite);
1112 q = g_string_append_c (q, '\n');
1114 q = modest_text_utils_quote_body (q, text, ">", limit);
1116 attachments_string = quoted_attachments (attachments);
1117 q = g_string_append (q, attachments_string);
1118 g_free (attachments_string);
1120 return g_string_free (q, FALSE);
1124 quote_html_add_to_gstring (GString *string,
1127 if (text && strcmp (text, "")) {
1128 gchar *html_text = modest_text_utils_convert_to_html_body (text, -1, TRUE);
1129 g_string_append_printf (string, "%s<br/>", html_text);
1135 modest_text_utils_quote_html (const gchar *text,
1137 const gchar *signature,
1141 GString *result_string;
1145 "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\n" \
1149 if (text || cite || signature) {
1150 GString *quoted_text;
1151 g_string_append (result_string, "<pre>\n");
1153 quote_html_add_to_gstring (result_string, MODEST_TEXT_UTILS_SIGNATURE_MARKER);
1154 quote_html_add_to_gstring (result_string, signature);
1156 quote_html_add_to_gstring (result_string, cite);
1157 quoted_text = g_string_new ("");
1158 quoted_text = modest_text_utils_quote_body (quoted_text, (text) ? text : "", ">", limit);
1159 quote_html_add_to_gstring (result_string, quoted_text->str);
1160 g_string_free (quoted_text, TRUE);
1162 gchar *attachments_string = quoted_attachments (attachments);
1163 quote_html_add_to_gstring (result_string, attachments_string);
1164 g_free (attachments_string);
1166 g_string_append (result_string, "</pre>");
1168 g_string_append (result_string, "</body>");
1169 g_string_append (result_string, "</html>");
1171 return g_string_free (result_string, FALSE);
1175 cmp_offsets_reverse (const url_match_t *match1, const url_match_t *match2)
1177 return match2->offset - match1->offset;
1180 static gint url_matches_block = 0;
1181 static url_match_pattern_t patterns[] = MAIL_VIEWER_URL_MATCH_PATTERNS;
1182 static GMutex *url_patterns_mutex = NULL;
1189 const size_t pattern_num = sizeof(patterns)/sizeof(url_match_pattern_t);
1190 for (i = 0; i != pattern_num; ++i) {
1191 patterns[i].preg = g_slice_new0 (regex_t);
1193 /* this should not happen */
1194 if (regcomp (patterns[i].preg, patterns[i].regex,
1195 REG_ICASE|REG_EXTENDED|REG_NEWLINE) != 0) {
1196 g_warning ("%s: error in regexp:\n%s\n", __FUNCTION__, patterns[i].regex);
1207 const size_t pattern_num = sizeof(patterns)/sizeof(url_match_pattern_t);
1208 for (i = 0; i != pattern_num; ++i) {
1209 regfree (patterns[i].preg);
1210 g_slice_free (regex_t, patterns[i].preg);
1211 } /* don't free patterns itself -- it's static */
1215 modest_text_utils_hyperlinkify_begin (void)
1218 if (url_patterns_mutex == NULL) {
1219 url_patterns_mutex = g_mutex_new ();
1221 g_mutex_lock (url_patterns_mutex);
1222 if (url_matches_block == 0)
1223 compile_patterns ();
1224 url_matches_block ++;
1225 g_mutex_unlock (url_patterns_mutex);
1229 modest_text_utils_hyperlinkify_end (void)
1231 g_mutex_lock (url_patterns_mutex);
1232 url_matches_block--;
1233 if (url_matches_block <= 0)
1235 g_mutex_unlock (url_patterns_mutex);
1240 get_url_matches (GString *txt, gint offset)
1243 guint rv, i, tmp_offset = 0;
1244 GSList *match_list = NULL;
1246 const size_t pattern_num = sizeof(patterns)/sizeof(url_match_pattern_t);
1248 /* initalize the regexps */
1249 modest_text_utils_hyperlinkify_begin ();
1251 /* find all the matches */
1252 for (i = 0; i != pattern_num; ++i) {
1253 tmp_offset = offset;
1256 gboolean is_submatch;
1259 if ((rv = regexec (patterns[i].preg, txt->str + tmp_offset, 1, &rm, 0)) != 0) {
1260 g_return_val_if_fail (rv == REG_NOMATCH, NULL); /* this should not happen */
1261 break; /* try next regexp */
1266 is_submatch = FALSE;
1267 /* check old matches to see if this has already been matched */
1268 cursor = match_list;
1269 while (cursor && !is_submatch) {
1270 const url_match_t *old_match =
1271 (const url_match_t *) cursor->data;
1272 guint new_offset = tmp_offset + rm.rm_so;
1273 is_submatch = (new_offset > old_match->offset &&
1274 new_offset < old_match->offset + old_match->len);
1275 cursor = g_slist_next (cursor);
1279 /* make a list of our matches (<offset, len, prefix> tupels)*/
1280 match = g_slice_new (url_match_t);
1281 match->offset = tmp_offset + rm.rm_so;
1282 match->len = rm.rm_eo - rm.rm_so;
1283 match->prefix = patterns[i].prefix;
1284 match_list = g_slist_prepend (match_list, match);
1286 tmp_offset += rm.rm_eo;
1290 modest_text_utils_hyperlinkify_end ();
1292 /* now sort the list, so the matches are in reverse order of occurence.
1293 * that way, we can do the replacements starting from the end, so we don't need
1294 * to recalculate the offsets
1296 match_list = g_slist_sort (match_list,
1297 (GCompareFunc)cmp_offsets_reverse);
1303 /* replace all occurences of needle in haystack with repl*/
1305 replace_string (const gchar *haystack, const gchar *needle, gchar repl)
1307 gchar *str, *cursor;
1309 if (!haystack || !needle || strlen(needle) == 0)
1310 return haystack ? g_strdup(haystack) : NULL;
1312 str = g_strdup (haystack);
1314 for (cursor = str; cursor && *cursor; ++cursor) {
1315 if (g_str_has_prefix (cursor, needle)) {
1317 memmove (cursor + 1,
1318 cursor + strlen (needle),
1319 strlen (cursor + strlen (needle)) + 1);
1327 hyperlinkify_plain_text (GString *txt, gint offset)
1330 GSList *match_list = get_url_matches (txt, offset);
1332 /* we will work backwards, so the offsets stay valid */
1333 for (cursor = match_list; cursor; cursor = cursor->next) {
1335 url_match_t *match = (url_match_t*) cursor->data;
1336 gchar *url = g_strndup (txt->str + match->offset, match->len);
1337 gchar *repl = NULL; /* replacement */
1339 /* the string still contains $(MARK_AMP_URI_STR)"amp;" for each
1340 * '&' in the original, because of the text->html conversion.
1341 * in the href-URL (and only there), we must convert that back to
1344 gchar *href_url = replace_string (url, MARK_AMP_URI_STR "amp;", '&');
1346 /* the prefix is NULL: use the one that is already there */
1347 repl = g_strdup_printf ("<a href=\"%s%s\">%s</a>",
1348 match->prefix ? match->prefix : EMPTY_STRING,
1351 /* replace the old thing with our hyperlink
1352 * replacement thing */
1353 g_string_erase (txt, match->offset, match->len);
1354 g_string_insert (txt, match->offset, repl);
1360 g_slice_free (url_match_t, match);
1363 g_slist_free (match_list);
1367 modest_text_utils_hyperlinkify (GString *string_buffer)
1372 after_body = strstr (string_buffer->str, "<body>");
1373 if (after_body != NULL)
1374 offset = after_body - string_buffer->str;
1375 hyperlinkify_plain_text (string_buffer, offset);
1379 /* for optimization reasons, we change the string in-place */
1381 modest_text_utils_get_display_address (gchar *address)
1385 g_return_if_fail (address);
1390 /* should not be needed, and otherwise, we probably won't screw up the address
1391 * more than it already is :)
1392 * g_return_val_if_fail (g_utf8_validate (address, -1, NULL), NULL);
1395 /* remove leading whitespace */
1396 if (address[0] == ' ')
1397 g_strchug (address);
1399 for (i = 0; address[i]; ++i) {
1400 if (address[i] == '<') {
1401 if (G_UNLIKELY(i == 0)) {
1402 break; /* there's nothing else, leave it */
1404 address[i] = '\0'; /* terminate the string here */
1410 g_strchomp (address);
1415 modest_text_utils_get_display_addresses (const gchar *recipients)
1418 GSList *recipient_list;
1421 recipient_list = modest_text_utils_split_addresses_list (recipients);
1422 if (recipient_list) {
1423 GString *add_string = g_string_sized_new (strlen (recipients));
1424 GSList *iter = recipient_list;
1425 gboolean first = TRUE;
1428 /* Strings are changed in place */
1429 modest_text_utils_get_display_address ((gchar *) iter->data);
1430 if (G_UNLIKELY (first)) {
1431 g_string_append_printf (add_string, "%s", (gchar *) iter->data);
1434 g_string_append_printf (add_string, ", %s", (gchar *) iter->data);
1436 iter = g_slist_next (iter);
1438 g_slist_foreach (recipient_list, (GFunc) g_free, NULL);
1439 g_slist_free (recipient_list);
1440 addresses = g_string_free (add_string, FALSE);
1448 modest_text_utils_get_email_address (const gchar *full_address)
1450 const gchar *left, *right;
1452 g_return_val_if_fail (full_address, NULL);
1457 g_return_val_if_fail (g_utf8_validate (full_address, -1, NULL), NULL);
1459 left = g_strrstr_len (full_address, strlen(full_address), "<");
1461 return g_strdup (full_address);
1463 right = g_strstr_len (left, strlen(left), ">");
1465 return g_strdup (full_address);
1467 return g_strndup (left + 1, right - left - 1);
1471 modest_text_utils_get_subject_prefix_len (const gchar *sub)
1473 gint prefix_len = 0;
1475 g_return_val_if_fail (sub, 0);
1480 /* optimization: "Re", "RE", "re","Fwd", "FWD", "fwd","FW","Fw", "fw" */
1481 if (sub[0] != 'R' && sub[0] != 'F' && sub[0] != 'r' && sub[0] != 'f')
1483 else if (sub[0] && sub[1] != 'e' && sub[1] != 'E' && sub[1] != 'w' && sub[1] != 'W')
1490 /* skip over a [...] block */
1491 if (sub[prefix_len] == '[') {
1492 int c = prefix_len + 1;
1493 while (sub[c] && sub[c] != ']')
1496 return 0; /* no end to the ']' found */
1501 /* did we find the ':' ? */
1502 if (sub[prefix_len] == ':') {
1504 if (sub[prefix_len] == ' ')
1506 prefix_len += modest_text_utils_get_subject_prefix_len (sub + prefix_len);
1507 /* g_warning ("['%s','%s']", sub, (char*) sub + prefix_len); */
1515 modest_text_utils_utf8_strcmp (const gchar* s1, const gchar *s2, gboolean insensitive)
1518 /* work even when s1 and/or s2 == NULL */
1519 if (G_UNLIKELY(s1 == s2))
1521 if (G_UNLIKELY(!s1))
1523 if (G_UNLIKELY(!s2))
1526 /* if it's not case sensitive */
1529 /* optimization: shortcut if first char is ascii */
1530 if (((s1[0] & 0x80)== 0) && ((s2[0] & 0x80) == 0) &&
1532 return s1[0] - s2[0];
1534 return g_utf8_collate (s1, s2);
1540 /* optimization: shortcut if first char is ascii */
1541 if (((s1[0] & 0x80) == 0) && ((s2[0] & 0x80) == 0) &&
1542 (tolower(s1[0]) != tolower (s2[0])))
1543 return tolower(s1[0]) - tolower(s2[0]);
1545 n1 = g_utf8_strdown (s1, -1);
1546 n2 = g_utf8_strdown (s2, -1);
1548 result = g_utf8_collate (n1, n2);
1559 modest_text_utils_get_display_date (time_t date)
1561 #define DATE_BUF_SIZE 64
1562 static gchar date_buf[DATE_BUF_SIZE];
1564 /* calculate the # of days since epoch for
1565 * for today and for the date provided
1566 * based on idea from pvanhoof */
1567 int day = time(NULL) / (24 * 60 * 60);
1568 int date_day = date / (24 * 60 * 60);
1570 /* if it's today, show the time, if it's not today, show the date instead */
1572 /* TODO: take into account the system config for 24/12h */
1573 #ifdef MODEST_TOOLKIT_HILDON2
1574 if (day == date_day) /* is the date today? */
1575 modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, _HL("wdgt_va_24h_time"), date);
1577 modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, _HL("wdgt_va_date"), date);
1579 if (day == date_day) /* is the date today? */
1580 modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, "%X", date);
1582 modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, "%x", date);
1585 return date_buf; /* this is a static buffer, don't free! */
1591 modest_text_utils_validate_folder_name (const gchar *folder_name)
1593 /* based on http://msdn2.microsoft.com/en-us/library/aa365247.aspx,
1594 * with some extras */
1598 const gchar **cursor = NULL;
1599 const gchar *forbidden_names[] = { /* windows does not like these */
1600 "CON", "PRN", "AUX", "NUL", ".", "..", "cur", "tmp", "new",
1601 NULL /* cur, tmp, new are reserved for Maildir */
1604 /* cannot be NULL */
1608 /* cannot be empty */
1609 len = strlen(folder_name);
1613 /* cannot start with a dot, vfat does not seem to like that */
1614 if (folder_name[0] == '.')
1617 /* cannot start or end with a space */
1618 if (g_ascii_isspace(folder_name[0]) || g_ascii_isspace(folder_name[len - 1]))
1621 /* cannot contain a forbidden char */
1622 for (i = 0; i < len; i++)
1623 if (modest_text_utils_is_forbidden_char (folder_name[i], FOLDER_NAME_FORBIDDEN_CHARS))
1626 /* Cannot contain Windows port numbers. I'd like to use GRegex
1627 but it's still not available in Maemo. sergio */
1628 if (!g_ascii_strncasecmp (folder_name, "LPT", 3) ||
1629 !g_ascii_strncasecmp (folder_name, "COM", 3)) {
1633 /* We skip the first 3 characters for the
1635 val = strtol(folder_name+3, &endptr, 10);
1637 /* If the conversion to long succeeded then the string
1638 is not valid for us */
1639 if (*endptr == '\0')
1645 /* cannot contain a forbidden word */
1647 for (cursor = forbidden_names; cursor && *cursor; ++cursor) {
1648 if (g_ascii_strcasecmp (folder_name, *cursor) == 0)
1653 return TRUE; /* it's valid! */
1659 modest_text_utils_validate_domain_name (const gchar *domain)
1661 gboolean valid = FALSE;
1663 const gchar* domain_regex = "^([a-z0-9-]*[a-z0-9]\\.)+[a-z0-9-]*[a-z0-9]$";
1665 g_return_val_if_fail (domain, FALSE);
1670 memset (&rx, 0, sizeof(regex_t)); /* coverity wants this... */
1672 /* domain name: all alphanum or '-' or '.',
1673 * but beginning/ending in alphanum */
1674 if (regcomp (&rx, domain_regex, REG_ICASE|REG_EXTENDED|REG_NOSUB)) {
1675 g_warning ("BUG: error in regexp");
1679 valid = (regexec (&rx, domain, 1, NULL, 0) == 0);
1688 modest_text_utils_validate_email_address (const gchar *email_address,
1689 const gchar **invalid_char_position)
1692 const gchar *c = NULL, *domain = NULL;
1693 static gchar *rfc822_specials = "()<>@,;:\\\"[]&";
1695 if (invalid_char_position)
1696 *invalid_char_position = NULL;
1698 g_return_val_if_fail (email_address, FALSE);
1700 /* check that the email adress contains exactly one @ */
1701 if (!strstr(email_address, "@") ||
1702 (strstr(email_address, "@") != g_strrstr(email_address, "@")))
1705 /* first we validate the name portion (name@domain) */
1706 for (c = email_address; *c; c++) {
1708 (c == email_address ||
1710 *(c - 1) == '\"')) {
1714 if (*c == '\\' && (*++c == ' '))
1716 if (*c <= ' ' || *c >= 127)
1729 if (*c <= ' ' || *c >= 127)
1731 if (strchr(rfc822_specials, *c)) {
1732 if (invalid_char_position)
1733 *invalid_char_position = c;
1737 if (c == email_address || *(c - 1) == '.')
1740 /* next we validate the domain portion (name@domain) */
1741 if (!*(domain = ++c))
1745 if (c == domain || *(c - 1) == '.' || *(c + 1) == '\0')
1749 if (*c <= ' ' || *c >= 127)
1751 if (strchr(rfc822_specials, *c)) {
1752 if (invalid_char_position)
1753 *invalid_char_position = c;
1758 return (count >= 1) ? TRUE : FALSE;
1762 modest_text_utils_validate_recipient (const gchar *recipient, const gchar **invalid_char_position)
1764 gchar *stripped, *current;
1766 gboolean has_error = FALSE;
1768 if (invalid_char_position)
1769 *invalid_char_position = NULL;
1771 g_return_val_if_fail (recipient, FALSE);
1773 if (modest_text_utils_validate_email_address (recipient, invalid_char_position))
1776 stripped = g_strdup (recipient);
1777 stripped = g_strstrip (stripped);
1780 if (*current == '\0') {
1786 if (*current == '\"') {
1787 gchar *last_quote = NULL;
1788 current = g_utf8_next_char (current);
1790 for (; *current != '\0'; current = g_utf8_next_char (current)) {
1791 if (*current == '\\') {
1792 /* TODO: This causes a warning, which breaks the build,
1793 * because a gchar cannot be < 0.
1795 if (current[1] <0) {
1800 } else if (*current == '\"') {
1802 current = g_utf8_next_char (current);
1803 last_quote = current;
1807 current = g_utf8_next_char (last_quote);
1810 for (current = stripped ; *current != '\0'; current = g_utf8_next_char (current)) {
1811 if (*current == '<') {
1823 right_part = g_strdup (current);
1825 right_part = g_strstrip (right_part);
1827 if (g_str_has_suffix (right_part, ",") || g_str_has_suffix (right_part, ";"))
1828 right_part [(strlen (right_part) - 1)] = '\0';
1830 if (g_str_has_prefix (right_part, "<") &&
1831 g_str_has_suffix (right_part, ">")) {
1835 address = g_strndup (right_part+1, strlen (right_part) - 2);
1836 g_free (right_part);
1837 valid = modest_text_utils_validate_email_address (address, invalid_char_position);
1841 g_free (right_part);
1848 modest_text_utils_get_display_size (guint64 size)
1850 const guint KB=1024;
1851 const guint MB=1024 * KB;
1852 const guint GB=1024 * MB;
1855 return g_strdup_printf (_FM("sfil_li_size_kb"), (int) 0);
1856 if (0 <= size && size < KB)
1857 return g_strdup_printf (_FM("sfil_li_size_1kb_99kb"), (int) 1);
1858 else if (KB <= size && size < 100 * KB)
1859 return g_strdup_printf (_FM("sfil_li_size_1kb_99kb"), (int) size / KB);
1860 else if (100*KB <= size && size < MB)
1861 return g_strdup_printf (_FM("sfil_li_size_100kb_1mb"), (int) size / KB);
1862 else if (MB <= size && size < 10*MB)
1863 return g_strdup_printf (_FM("sfil_li_size_1mb_10mb"), (float) size / MB);
1864 else if (10*MB <= size && size < GB)
1865 return g_strdup_printf (_FM("sfil_li_size_10mb_1gb"), (float) size / MB);
1867 return g_strdup_printf (_FM("sfil_li_size_1gb_or_greater"), (float) size / GB);
1871 get_email_from_address (const gchar * address)
1873 gchar *left_limit, *right_limit;
1875 left_limit = strstr (address, "<");
1876 right_limit = g_strrstr (address, ">");
1878 if ((left_limit == NULL)||(right_limit == NULL)|| (left_limit > right_limit))
1879 return g_strdup (address);
1881 return g_strndup (left_limit + 1, (right_limit - left_limit) - 1);
1885 modest_text_utils_get_color_string (GdkColor *color)
1887 g_return_val_if_fail (color, NULL);
1889 return g_strdup_printf ("#%x%x%x%x%x%x%x%x%x%x%x%x",
1890 (color->red >> 12) & 0xf, (color->red >> 8) & 0xf,
1891 (color->red >> 4) & 0xf, (color->red) & 0xf,
1892 (color->green >> 12) & 0xf, (color->green >> 8) & 0xf,
1893 (color->green >> 4) & 0xf, (color->green) & 0xf,
1894 (color->blue >> 12) & 0xf, (color->blue >> 8) & 0xf,
1895 (color->blue >> 4) & 0xf, (color->blue) & 0xf);
1899 modest_text_utils_text_buffer_get_text (GtkTextBuffer *buffer)
1901 GtkTextIter start, end;
1902 gchar *slice, *current;
1903 GString *result = g_string_new ("");
1905 g_return_val_if_fail (buffer && GTK_IS_TEXT_BUFFER (buffer), NULL);
1907 gtk_text_buffer_get_start_iter (buffer, &start);
1908 gtk_text_buffer_get_end_iter (buffer, &end);
1910 slice = gtk_text_buffer_get_slice (buffer, &start, &end, FALSE);
1913 while (current && current != '\0') {
1914 if (g_utf8_get_char (current) == 0xFFFC) {
1915 result = g_string_append_c (result, ' ');
1916 current = g_utf8_next_char (current);
1918 gchar *next = g_utf8_strchr (current, -1, 0xFFFC);
1920 result = g_string_append (result, current);
1922 result = g_string_append_len (result, current, next - current);
1929 return g_string_free (result, FALSE);
1934 modest_text_utils_is_forbidden_char (const gchar character,
1935 ModestTextUtilsForbiddenCharType type)
1938 const gchar *forbidden_chars = NULL;
1940 /* We need to get the length in the switch because the
1941 compiler needs to know the size at compile time */
1943 case ACCOUNT_TITLE_FORBIDDEN_CHARS:
1944 forbidden_chars = account_title_forbidden_chars;
1945 len = G_N_ELEMENTS (account_title_forbidden_chars);
1947 case FOLDER_NAME_FORBIDDEN_CHARS:
1948 forbidden_chars = folder_name_forbidden_chars;
1949 len = G_N_ELEMENTS (folder_name_forbidden_chars);
1951 case USER_NAME_FORBIDDEN_NAMES:
1952 forbidden_chars = user_name_forbidden_chars;
1953 len = G_N_ELEMENTS (user_name_forbidden_chars);
1956 g_return_val_if_reached (TRUE);
1959 for (i = 0; i < len ; i++)
1960 if (forbidden_chars[i] == character)
1963 return FALSE; /* it's valid! */
1967 modest_text_utils_label_get_selection (GtkLabel *label)
1972 if (gtk_label_get_selection_bounds (GTK_LABEL (label), &start, &end)) {
1973 const gchar *start_offset;
1974 const gchar *end_offset;
1975 start_offset = gtk_label_get_text (GTK_LABEL (label));
1976 start_offset = g_utf8_offset_to_pointer (start_offset, start);
1977 end_offset = gtk_label_get_text (GTK_LABEL (label));
1978 end_offset = g_utf8_offset_to_pointer (end_offset, end);
1979 selection = g_strndup (start_offset, end_offset - start_offset);
1982 return g_strdup ("");
1987 _forward_search_image_char (gunichar ch,
1990 return (ch == 0xFFFC);
1994 modest_text_utils_buffer_selection_is_valid (GtkTextBuffer *buffer)
1997 GtkTextIter start, end;
1999 g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), FALSE);
2001 result = gtk_text_buffer_get_has_selection (GTK_TEXT_BUFFER (buffer));
2003 /* check there are no images in selection */
2005 gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
2006 if (gtk_text_iter_get_char (&start)== 0xFFFC)
2009 gtk_text_iter_backward_char (&end);
2010 if (gtk_text_iter_forward_find_char (&start, _forward_search_image_char,
2021 remove_quotes (gchar **quotes)
2023 if (g_str_has_prefix (*quotes, "\"") && g_str_has_suffix (*quotes, "\"")) {
2025 result = g_strndup ((*quotes)+1, strlen (*quotes) - 2);
2032 remove_extra_spaces (gchar *string)
2037 while (start && start[0] != '\0') {
2038 if ((start[0] == ' ') && (start[1] == ' ')) {
2039 g_strchug (start+1);
2046 modest_text_utils_escape_mnemonics (const gchar *text)
2049 GString *result = NULL;
2054 result = g_string_new ("");
2055 for (p = text; *p != '\0'; p++) {
2057 result = g_string_append (result, "__");
2059 result = g_string_append_c (result, *p);
2062 return g_string_free (result, FALSE);
2066 modest_text_utils_simplify_recipients (const gchar *recipients)
2068 GSList *addresses, *node;
2070 gboolean is_first = TRUE;
2072 if (recipients == NULL)
2073 return g_strdup ("");
2075 addresses = modest_text_utils_split_addresses_list (recipients);
2076 result = g_string_new ("");
2078 for (node = addresses; node != NULL; node = g_slist_next (node)) {
2079 const gchar *address = (const gchar *) node->data;
2080 gchar *left_limit, *right_limit;
2082 left_limit = strstr (address, "<");
2083 right_limit = g_strrstr (address, ">");
2088 result = g_string_append (result, ", ");
2090 if ((left_limit == NULL)||(right_limit == NULL)|| (left_limit > right_limit)) {
2091 result = g_string_append (result, address);
2095 name_side = g_strndup (address, left_limit - address);
2096 name_side = g_strstrip (name_side);
2097 remove_quotes (&name_side);
2098 email_side = get_email_from_address (address);
2099 if (name_side && email_side && !strcmp (name_side, email_side)) {
2100 result = g_string_append (result, email_side);
2102 result = g_string_append (result, address);
2105 g_free (email_side);
2109 g_slist_foreach (addresses, (GFunc)g_free, NULL);
2110 g_slist_free (addresses);
2112 return g_string_free (result, FALSE);
2117 modest_text_utils_remove_duplicate_addresses_list (GSList *address_list)
2119 GSList *new_list, *iter;
2122 g_return_val_if_fail (address_list, NULL);
2124 table = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
2126 new_list = address_list;
2127 iter = address_list;
2129 const gchar* address = (const gchar*)iter->data;
2131 /* We need only the email to just compare it and not
2132 the full address which would make "a <a@a.com>"
2133 different from "a@a.com" */
2134 const gchar *email = get_email_from_address (address);
2136 /* ignore the address if already seen */
2137 if (g_hash_table_lookup (table, email) == 0) {
2138 g_hash_table_insert (table, (gchar*)email, GINT_TO_POINTER(1));
2139 iter = g_slist_next (iter);
2141 GSList *tmp = g_slist_next (iter);
2142 new_list = g_slist_delete_link (new_list, iter);
2147 g_hash_table_unref (table);
2153 modest_text_utils_get_secure_header (const gchar *value,
2154 const gchar *header)
2156 const gint max_len = 16384;
2157 gchar *new_value = NULL;
2158 gchar *needle = g_strrstr (value, header);
2160 if (needle && value != needle)
2161 new_value = g_strdup (needle + strlen (header));
2164 new_value = g_strdup (value);
2166 /* Do a max length check to prevent DoS attacks caused by huge
2167 malformed headers */
2168 if (g_utf8_validate (new_value, -1, NULL)) {
2169 if (g_utf8_strlen (new_value, -1) > max_len) {
2170 gchar *tmp = g_malloc0 (max_len * 4);
2171 g_utf8_strncpy (tmp, (const gchar *) new_value, max_len);
2176 if (strlen (new_value) > max_len) {
2177 gchar *tmp = g_malloc0 (max_len);
2178 strncpy (new_value, tmp, max_len);
2188 is_quoted (const char *start, const gchar *end)
2192 c = (gchar *) start;
2194 c = g_utf8_next_char (c);
2196 if (*c == '\0' || *c != '\"')
2200 while (*c == ' ' && c != start)
2201 c = g_utf8_prev_char (c);
2203 if (c == start || *c != '\"')
2211 quote_name_part (GString **str, gchar **cur, gchar **start)
2214 gint str_len = *cur - *start;
2216 while (**start == ' ') {
2217 *start = g_utf8_next_char (*start);
2221 blank = g_utf8_strrchr (*start, str_len, g_utf8_get_char (" "));
2222 if (blank && (blank != *start)) {
2223 if (is_quoted (*start, blank - 1)) {
2224 *str = g_string_append_len (*str, *start, str_len);
2225 *str = g_string_append (*str, ";");
2226 *start = g_utf8_next_char (*cur);
2228 *str = g_string_append_c (*str, '"');
2229 *str = g_string_append_len (*str, *start, (blank - *start));
2230 *str = g_string_append_c (*str, '"');
2231 *str = g_string_append_len (*str, blank, (*cur - blank));
2232 *str = g_string_append (*str, ";");
2233 *start = g_utf8_next_char (*cur);
2236 *str = g_string_append_len (*str, *start, str_len);
2237 *str = g_string_append (*str, ";");
2238 *start = g_utf8_next_char (*cur);
2243 modest_text_utils_quote_names (const gchar *recipients)
2248 str = g_string_new ("");
2249 start = (gchar*) recipients;
2250 cur = (gchar*) recipients;
2252 for (cur = start; *cur != '\0'; cur = g_utf8_next_char (cur)) {
2253 if (*cur == ',' || *cur == ';') {
2254 if (!g_utf8_strchr (start, (cur - start + 1), g_utf8_get_char ("@")))
2256 quote_name_part (&str, &cur, &start);
2260 quote_name_part (&str, &cur, &start);
2262 return g_string_free (str, FALSE);
2265 /* Returns TRUE if there is no recipients in the text buffer. Note
2266 that strings like " ; , " contain only separators and thus no
2269 modest_text_utils_no_recipient (GtkTextBuffer *buffer)
2271 gboolean retval = TRUE;
2273 GtkTextIter start, end;
2275 if (gtk_text_buffer_get_char_count (buffer) == 0)
2278 gtk_text_buffer_get_start_iter (buffer, &start);
2279 gtk_text_buffer_get_end_iter (buffer, &end);
2281 text = g_strstrip (gtk_text_buffer_get_text (buffer, &start, &end, FALSE));
2282 if (!g_strcmp0 (text, ""))
2286 while (tmp && *tmp != '\0') {
2287 if ((*tmp != ',') && (*tmp != ';') &&
2288 (*tmp != '\r') && (*tmp != '\n') &&