#include <regex.h>
#include <modest-tny-platform-factory.h>
#include <modest-text-utils.h>
+#include <modest-account-mgr-helpers.h>
#include <modest-runtime.h>
#include <ctype.h>
* will hang modest
*/
#define HYPERLINKIFY_MAX_LENGTH (1024*50)
-#define SIGNATURE_MARKER "--"
-
/*
* we need these regexps to find URLs in plain text e-mails
/* note: match MARK_AMP_URI_STR as well, because after txt->html, a '&' will look like $(MARK_AMP_URI_STR)"amp;" */
#define MAIL_VIEWER_URL_MATCH_PATTERNS { \
- { "(feed:|)(file|rtsp|http|ftp|https|mms|mmsh|webcal|feed|rtsp|rdp|lastfm|sip)://[-a-z0-9_$.+!*(),;:@%=?/~#" MARK_AMP_URI_STR \
- "]+[-a-z0-9_$%" MARK_AMP_URI_STR "=?/~#]", \
+ { "(feed:|)(file|rtsp|http|ftp|https|mms|mmsh|webcal|feed|rtsp|rdp|lastfm|sip)://[-a-z0-9_$.+!*(),;:@%=\?/~#&" MARK_AMP_URI_STR \
+ "]+[-a-z0-9_$%&" MARK_AMP_URI_STR "=?/~#]", \
NULL, NULL },\
{ "www\\.[-a-z0-9_$.+!*(),;:@%=?/~#" MARK_AMP_URI_STR "]+[-a-z0-9_$%" MARK_AMP_URI_STR "=?/~#]",\
NULL, "http://" }, \
GList *attachments,
int limit);
static gchar* get_email_from_address (const gchar *address);
+static void remove_extra_spaces (gchar *string);
+
/* ******************************************************************* */
const gchar *from,
time_t sent_date)
{
- gchar *retval;
- gchar *tmp_sig;
-
+ gchar *retval, *tmp;
+
g_return_val_if_fail (text, NULL);
g_return_val_if_fail (content_type, NULL);
-
- if (!signature) {
- tmp_sig = g_strdup (text);
- } else {
- tmp_sig = g_strconcat (text, "\n", SIGNATURE_MARKER, "\n", signature, NULL);
- }
if (strcmp (content_type, "text/html") == 0) {
- retval = modest_text_utils_convert_to_html_body (tmp_sig, -1, TRUE);
- g_free (tmp_sig);
+ tmp = modest_text_utils_convert_to_html_body (text, -1, TRUE);
+ if (signature) {
+ gchar *colored_signature = modest_text_utils_create_colored_signature (signature);
+ retval = g_strconcat (tmp, colored_signature, NULL);
+ g_free (colored_signature);
+ g_free (tmp);
+ } else {
+ retval = tmp;
+ }
} else {
- retval = tmp_sig;
+ if (signature)
+ retval = g_strconcat (text, "\n", MODEST_TEXT_UTILS_SIGNATURE_MARKER, "\n", signature, NULL);
+ else
+ retval = g_strdup (text);
}
return retval;
}
gchar *
-modest_text_utils_derived_subject (const gchar *subject, const gchar *prefix)
+modest_text_utils_derived_subject (const gchar *subject, gboolean is_reply)
{
- gchar *tmp, *subject_dup, *retval;
- gint prefix_len;
-
- g_return_val_if_fail (prefix, NULL);
+ gchar *tmp, *subject_dup, *retval, *prefix;
+ const gchar *untranslated_prefix;
+ gint prefix_len, untranslated_prefix_len;
+ gboolean found = FALSE;
if (!subject || subject[0] == '\0')
subject = _("mail_va_no_subject");
subject_dup = g_strdup (subject);
tmp = g_strchug (subject_dup);
- /* We do not want things like "Re: Re: Re:" or "Fw: Fw:" so
- delete the previous ones */
- prefix_len = strlen (prefix);
- do {
- if (g_str_has_prefix (tmp, prefix)) {
- tmp += prefix_len;
- tmp = g_strchug (tmp);
- } else {
- break;
- }
- } while (tmp);
+ prefix = (is_reply) ? _("mail_va_re") : _("mail_va_fw");
+ prefix = g_strconcat (prefix, ":", NULL);
+ prefix_len = g_utf8_strlen (prefix, -1);
+
+ untranslated_prefix = (is_reply) ? "Re:" : "Fw:";
+ untranslated_prefix_len = 3;
+
+ if (g_str_has_prefix (tmp, prefix) ||
+ g_str_has_prefix (tmp, untranslated_prefix)) {
+ found = TRUE;
+ } else {
+ gchar *prefix_down, *tmp_down, *untranslated_down;
+
+ prefix_down = g_utf8_strdown (prefix, -1);
+ untranslated_down = g_utf8_strdown (untranslated_prefix, -1);
+ tmp_down = g_utf8_strdown (tmp, -1);
+ if (g_str_has_prefix (tmp_down, prefix_down) ||
+ g_str_has_prefix (tmp_down, untranslated_down) ||
+ (!is_reply && g_str_has_prefix (tmp_down, "fwd:")))
+ found = TRUE;
+
+ g_free (prefix_down);
+ g_free (untranslated_down);
+ g_free (tmp_down);
+ }
- retval = g_strdup_printf ("%s %s", prefix, tmp);
- g_free (subject_dup);
+ if (found) {
+ /* If the prefix is already present do not touch the subject */
+ retval = subject_dup;
+ } else {
+ /* Normal case, add the prefix */
+ retval = g_strdup_printf ("%s %s", untranslated_prefix, tmp);
+ g_free (subject_dup);
+ }
+ g_free (prefix);
return retval;
}
+
+/* Performs a case-insensitive strstr for ASCII strings */
+static const gchar *
+ascii_stristr(const gchar *haystack, const gchar *needle)
+{
+ int needle_len;
+ int haystack_len;
+ const gchar *pos;
+ const gchar *max_pos;
+
+ if (haystack == NULL || needle == NULL) {
+ return haystack; /* as in strstr */
+ }
+
+ needle_len = strlen(needle);
+
+ if (needle_len == 0) {
+ return haystack; /* as in strstr */
+ }
+
+ haystack_len = strlen(haystack);
+ max_pos = haystack + haystack_len - needle_len;
+
+ for (pos = haystack; pos <= max_pos; pos++) {
+ if (g_ascii_strncasecmp (pos, needle, needle_len) == 0) {
+ return pos;
+ }
+ }
+
+ return NULL;
+}
+
+
gchar*
modest_text_utils_remove_address (const gchar *address_list, const gchar *address)
{
gchar *email_address;
g_return_val_if_fail (address_list, NULL);
-
+
if (!address)
return g_strdup (address_list);
email_address = get_email_from_address (address);
-
+
/* search for substring */
- if (!strstr ((const char *) address_list, (const char *) email_address)) {
+ if (!ascii_stristr ((const char *) address_list, (const char *) email_address)) {
g_free (email_address);
return g_strdup (address_list);
}
dup = g_strdup (address_list);
filtered_emails = g_string_new (NULL);
-
+
token = strtok_r (dup, ",", &ptr);
while (token != NULL) {
/* Add to list if not found */
- if (!strstr ((const char *) token, (const char *) email_address)) {
+ if (!ascii_stristr ((const char *) token, (const char *) email_address)) {
if (filtered_emails->len == 0)
g_string_append_printf (filtered_emails, "%s", g_strstrip (token));
else
g_slist_foreach (addresses, (GFunc)g_free, NULL);
g_slist_free (addresses);
+ if (new_list == NULL)
+ new_list = g_strdup ("");
+
return new_list;
}
guchar kar = data[i];
if (space_seen && kar != ' ') {
- g_string_append_c (html, ' ');
+ g_string_append (html, " ");
space_seen = FALSE;
}
/* don't convert ' --> wpeditor will try to re-convert it... */
//case '\'' : g_string_append (html, "'"); break;
- case '\n' : g_string_append (html, "<br>\n");break_dist= 0; break;
+ case '\n' : g_string_append (html, "<br/>\n");break_dist= 0; break;
case '\t' : g_string_append (html, MARK_AMP_STR "nbsp;" MARK_AMP_STR "nbsp;" MARK_AMP_STR "nbsp; ");
break_dist=0; break; /* note the space at the end*/
case ' ':
break_dist = 0;
if (space_seen) { /* second space in a row */
g_string_append (html, " ");
- space_seen = FALSE;
} else
space_seen = TRUE;
break;
void
modest_text_utils_get_addresses_indexes (const gchar *addresses, GSList **start_indexes, GSList **end_indexes)
{
- gchar *current, *start, *last_blank;
- gint start_offset = 0, current_offset = 0;
+ GString *str;
+ gchar *start, *cur;
- g_return_if_fail (start_indexes != NULL);
- g_return_if_fail (end_indexes != NULL);
+ if (!addresses)
+ return;
- start = (gchar *) addresses;
- current = start;
- last_blank = start;
+ if (strlen (addresses) == 0)
+ return;
+
+ str = g_string_new ("");
+ start = (gchar*) addresses;
+ cur = (gchar*) addresses;
- while (*current != '\0') {
- if ((start == current)&&((*current == ' ')||(*current == ',')||(*current == ';'))) {
- start = g_utf8_next_char (start);
- start_offset++;
- last_blank = current;
- } else if ((*current == ',')||(*current == ';')) {
+ for (cur = start; *cur != '\0'; cur = g_utf8_next_char (cur)) {
+ if (*cur == ',' || *cur == ';') {
gint *start_index, *end_index;
- start_index = g_new0(gint, 1);
- end_index = g_new0(gint, 1);
- *start_index = start_offset;
- *end_index = current_offset;
+ gchar *next_char = g_utf8_next_char (cur);
+
+ if (!g_utf8_strchr (start, (cur - start + 1), g_utf8_get_char ("@")) &&
+ next_char && *next_char != '\n' && *next_char != '\0')
+ continue;
+
+ start_index = g_new0 (gint, 1);
+ end_index = g_new0 (gint, 1);
+ *start_index = g_utf8_pointer_to_offset (addresses, start);
+ *end_index = g_utf8_pointer_to_offset (addresses, cur);;
*start_indexes = g_slist_prepend (*start_indexes, start_index);
*end_indexes = g_slist_prepend (*end_indexes, end_index);
- start = g_utf8_next_char (current);
- start_offset = current_offset + 1;
- last_blank = start;
- } else if (*current == '"') {
- current = g_utf8_next_char (current);
- current_offset ++;
- while ((*current != '"')&&(*current != '\0')) {
- current = g_utf8_next_char (current);
- current_offset ++;
- }
+ start = g_utf8_next_char (cur);
}
-
- current = g_utf8_next_char (current);
- current_offset ++;
}
- if (start != current) {
- gint *start_index, *end_index;
- start_index = g_new0(gint, 1);
- end_index = g_new0(gint, 1);
- *start_index = start_offset;
- *end_index = current_offset;
- *start_indexes = g_slist_prepend (*start_indexes, start_index);
- *end_indexes = g_slist_prepend (*end_indexes, end_index);
+ if (start != cur) {
+ gint *start_index, *end_index;
+ start_index = g_new0 (gint, 1);
+ end_index = g_new0 (gint, 1);
+ *start_index = g_utf8_pointer_to_offset (addresses, start);
+ *end_index = g_utf8_pointer_to_offset (addresses, cur);;
+ *start_indexes = g_slist_prepend (*start_indexes, start_index);
+ *end_indexes = g_slist_prepend (*end_indexes, end_index);
}
-
- *start_indexes = g_slist_reverse (*start_indexes);
- *end_indexes = g_slist_reverse (*end_indexes);
- return;
+ if (*start_indexes)
+ *start_indexes = g_slist_reverse (*start_indexes);
+ if (*end_indexes)
+ *end_indexes = g_slist_reverse (*end_indexes);
}
gboolean after_at = FALSE;
g_return_val_if_fail (addresses, NULL);
-
- /* skip any space, ',', ';' at the start */
- while (my_addrs && (my_addrs[0] == ' ' || my_addrs[0] == ',' || my_addrs[0] == ';'))
+
+ /* skip any space, ',', ';' '\n' at the start */
+ while (my_addrs && (my_addrs[0] == ' ' || my_addrs[0] == ',' ||
+ my_addrs[0] == ';' || my_addrs[0] == '\n'))
++my_addrs;
/* are we at the end of addresses list? */
if (!my_addrs[0])
return NULL;
-
+
/* nope, we are at the start of some address
* now, let's find the end of the address */
end = my_addrs + 1;
addr = g_strndup (my_addrs, end - my_addrs);
g_strchomp (addr);
+ remove_extra_spaces (addr);
+
head = g_slist_append (NULL, addr);
head->next = modest_text_utils_split_addresses_list (end); /* recurse */
return head;
}
+gchar *
+modest_text_utils_join_addresses (const gchar *from,
+ const gchar *to,
+ const gchar *cc,
+ const gchar *bcc)
+{
+ GString *buffer;
+ gboolean add_separator = FALSE;
+
+ buffer = g_string_new ("");
+
+ if (from && strlen (from)) {
+ buffer = g_string_append (buffer, from);
+ add_separator = TRUE;
+ }
+ if (to && strlen (to)) {
+ if (add_separator)
+ buffer = g_string_append (buffer, "; ");
+ else
+ add_separator = TRUE;
+
+ buffer = g_string_append (buffer, to);
+ }
+ if (cc && strlen (cc)) {
+ if (add_separator)
+ buffer = g_string_append (buffer, "; ");
+ else
+ add_separator = TRUE;
+
+ buffer = g_string_append (buffer, cc);
+ }
+ if (bcc && strlen (bcc)) {
+ if (add_separator)
+ buffer = g_string_append (buffer, "; ");
+ else
+ add_separator = TRUE;
+
+ buffer = g_string_append (buffer, bcc);
+ }
+
+ return g_string_free (buffer, FALSE);
+}
void
modest_text_utils_address_range_at_position (const gchar *recipients_list,
/* if we hit the signature marker "-- ", we return -(indent + 1). This
* stops reformatting.
*/
- if (strcmp (l, "-- ") == 0) {
+ if (strcmp (l, MODEST_TEXT_UTILS_SIGNATURE_MARKER) == 0) {
return -1 - indent;
} else {
return indent;
quote_len = strlen (quote_symbol);
while (p[0]) {
if (g_str_has_prefix (p, quote_symbol)) {
- if (p[quote_len] == ' ') {
- p += quote_len;
+ p+=quote_len;
+ while (p[0] && p[0] == ' ') {
+ p++;
}
+ continue;
} else {
break;
}
const gchar *pos, *last;
gunichar *uni;
+ if (2*indent >= limit)
+ return strlen (s);
+
indent = indent < 0 ? abs (indent) - 1 : indent;
last = NULL;
gsize len;
gint indent, breakpoint, rem_indent = 0;
GString *l, *remaining;
+ gchar *forced_wrap_append;
iter = text;
len = strlen(text);
remaining = g_string_new ("");
+ forced_wrap_append = NULL;
do {
- l = get_next_line (text, len, iter);
- iter = iter + l->len + 1;
- indent = get_indent_level (l->str);
- unquote_line (l, quote_symbol);
+
+ if (forced_wrap_append) {
+ gint next_line_indent;
+ gint l_len_with_indent;
+
+ g_string_erase (remaining, 0, -1);
+ next_line_indent = get_indent_level (iter);
+ l = get_next_line (text, len, iter);
+ l_len_with_indent = l->len;
+ unquote_line (l, quote_symbol);
+ if ((l->str && l->str[0] == '\0') || (next_line_indent != indent)) {
+ g_string_free (l, TRUE);
+ l = g_string_new (forced_wrap_append);
+ } else {
+ gunichar first_in_l;
+ iter = iter + l_len_with_indent + 1;
+ first_in_l = g_utf8_get_char_validated (l->str, l->len);
+ if (!g_unichar_isspace (first_in_l))
+ l = g_string_prepend (l, " ");
+ l = g_string_prepend (l, forced_wrap_append);
+ }
+ g_free (forced_wrap_append);
+ forced_wrap_append = NULL;
+ } else {
+ l = get_next_line (text, len, iter);
+ iter = iter + l->len + 1;
+ indent = get_indent_level (l->str);
+ unquote_line (l, quote_symbol);
+ }
if (remaining->len) {
if (l->len && indent == rem_indent) {
g_string_prepend (l, remaining->str);
} else {
do {
+ gunichar remaining_first;
breakpoint =
get_breakpoint (remaining->str,
rem_indent,
limit);
- append_quoted (output, quote_symbol, rem_indent,
- remaining, breakpoint);
+ if (breakpoint < remaining->len) {
+ g_free (forced_wrap_append);
+ forced_wrap_append = g_strdup (remaining->str + breakpoint);
+ } else {
+ if (!forced_wrap_append)
+ append_quoted (output, quote_symbol, rem_indent,
+ remaining, breakpoint);
+ }
g_string_erase (remaining, 0,
breakpoint);
- if (remaining->str[0] == ' ') {
- g_string_erase (remaining, 0,
- 1);
+ remaining_first = g_utf8_get_char_validated (remaining->str, remaining->len);
+ if (remaining_first != ((gunichar) -1)) {
+ if (g_unichar_isspace (remaining_first)) {
+ g_string_erase (remaining, 0, g_utf8_next_char (remaining->str) - remaining->str);
+ }
}
} while (remaining->len);
}
g_string_erase (remaining, 0, 1);
}
rem_indent = indent;
+ if (remaining->len > 0) {
+ g_free (forced_wrap_append);
+ forced_wrap_append = g_strdup (remaining->str);
+ }
append_quoted (output, quote_symbol, indent, l, breakpoint);
g_string_free (l, TRUE);
- } while ((iter < text + len) || (remaining->str[0]));
+ } while ((iter < text + len) || (remaining->str[0]) || forced_wrap_append);
return output;
}
q = g_string_new ("");
if (signature != NULL) {
- q = g_string_append (q, "\n--\n");
+ g_string_append_printf (q, "\n%s\n", MODEST_TEXT_UTILS_SIGNATURE_MARKER);
q = g_string_append (q, signature);
}
{
GString *result_string;
- result_string =
+ result_string =
g_string_new ( \
"<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\n" \
"<html>\n" \
- "<body>\n<br/>\n");
+ "<body>\n");
if (text || cite || signature) {
GString *quoted_text;
g_string_append (result_string, "<pre>\n");
if (signature) {
- quote_html_add_to_gstring (result_string, SIGNATURE_MARKER);
- quote_html_add_to_gstring (result_string, signature);
+ gchar *colored_signature = modest_text_utils_create_colored_signature (signature);
+ g_string_append_printf (result_string, "%s<br/>", colored_signature);
+ g_free (colored_signature);
}
quote_html_add_to_gstring (result_string, cite);
quoted_text = g_string_new ("");
}
+gchar *
+modest_text_utils_get_display_addresses (const gchar *recipients)
+{
+ gchar *addresses;
+ GSList *recipient_list;
+
+ addresses = NULL;
+ recipient_list = modest_text_utils_split_addresses_list (recipients);
+ if (recipient_list) {
+ GString *add_string = g_string_sized_new (strlen (recipients));
+ GSList *iter = recipient_list;
+ gboolean first = TRUE;
+
+ while (iter) {
+ /* Strings are changed in place */
+ modest_text_utils_get_display_address ((gchar *) iter->data);
+ if (G_UNLIKELY (first)) {
+ g_string_append_printf (add_string, "%s", (gchar *) iter->data);
+ first = FALSE;
+ } else {
+ g_string_append_printf (add_string, ", %s", (gchar *) iter->data);
+ }
+ iter = g_slist_next (iter);
+ }
+ g_slist_foreach (recipient_list, (GFunc) g_free, NULL);
+ g_slist_free (recipient_list);
+ addresses = g_string_free (add_string, FALSE);
+ }
+ return addresses;
+}
gchar *
/* if it's today, show the time, if it's not today, show the date instead */
/* TODO: take into account the system config for 24/12h */
+#ifdef MODEST_TOOLKIT_HILDON2
if (day == date_day) /* is the date today? */
modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, _HL("wdgt_va_24h_time"), date);
else
modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, _HL("wdgt_va_date"), date);
+#else
+ if (day == date_day) /* is the date today? */
+ modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, "%X", date);
+ else
+ modest_text_utils_strftime (date_buf, DATE_BUF_SIZE, "%x", date);
+#endif
return date_buf; /* this is a static buffer, don't free! */
}
/* quoted string */
if (*current == '\"') {
+ gchar *last_quote = NULL;
current = g_utf8_next_char (current);
has_error = TRUE;
for (; *current != '\0'; current = g_utf8_next_char (current)) {
} else if (*current == '\"') {
has_error = FALSE;
current = g_utf8_next_char (current);
- break;
+ last_quote = current;
}
}
+ if (last_quote)
+ current = g_utf8_next_char (last_quote);
} else {
has_error = TRUE;
for (current = stripped ; *current != '\0'; current = g_utf8_next_char (current)) {
g_free (stripped);
right_part = g_strstrip (right_part);
+ if (g_str_has_suffix (right_part, ",") || g_str_has_suffix (right_part, ";"))
+ right_part [(strlen (right_part) - 1)] = '\0';
+
if (g_str_has_prefix (right_part, "<") &&
g_str_has_suffix (right_part, ">")) {
gchar *address;
const guint GB=1024 * MB;
if (size == 0)
- return g_strdup_printf (_FM("sfil_li_size_kb"), (int) 0);
+ return g_strdup_printf (_FM_SIZE_KB, (int) 0);
if (0 <= size && size < KB)
- return g_strdup_printf (_FM("sfil_li_size_1kb_99kb"), (int) 1);
+ return g_strdup_printf (_FM_SIZE_1KB_99KB, (int) 1);
else if (KB <= size && size < 100 * KB)
- return g_strdup_printf (_FM("sfil_li_size_1kb_99kb"), (int) size / KB);
+ return g_strdup_printf (_FM_SIZE_1KB_99KB, (int) size / KB);
else if (100*KB <= size && size < MB)
- return g_strdup_printf (_FM("sfil_li_size_100kb_1mb"), (float) size / MB);
+ return g_strdup_printf (_FM_SIZE_100KB_1MB, (int) size / KB);
else if (MB <= size && size < 10*MB)
- return g_strdup_printf (_FM("sfil_li_size_1mb_10mb"), (float) size / MB);
+ return g_strdup_printf (_FM_SIZE_1MB_10MB, (float) size / MB);
else if (10*MB <= size && size < GB)
- return g_strdup_printf (_FM("sfil_li_size_10mb_1gb"), (int) size / MB);
+ return g_strdup_printf (_FM_SIZE_10MB_1GB, (float) size / MB);
else
- return g_strdup_printf (_FM("sfil_li_size_1gb_or_greater"), (float) size / GB);
+ return g_strdup_printf (_FM_SIZE_1GB_OR_GREATER, (float) size / GB);
}
static gchar *
}
}
+static void
+remove_extra_spaces (gchar *string)
+{
+ gchar *start;
+
+ start = string;
+ while (start && start[0] != '\0') {
+ if ((start[0] == ' ') && (start[1] == ' ')) {
+ g_strchug (start+1);
+ }
+ start++;
+ }
+}
+
gchar *
modest_text_utils_escape_mnemonics (const gchar *text)
{
for (node = addresses; node != NULL; node = g_slist_next (node)) {
const gchar *address = (const gchar *) node->data;
gchar *left_limit, *right_limit;
+
left_limit = strstr (address, "<");
right_limit = g_strrstr (address, ">");
return g_string_free (result, FALSE);
}
+
+GSList *
+modest_text_utils_remove_duplicate_addresses_list (GSList *address_list)
+{
+ GSList *new_list, *iter;
+ GHashTable *table;
+
+ g_return_val_if_fail (address_list, NULL);
+
+ table = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+
+ new_list = address_list;
+ iter = address_list;
+ while (iter) {
+ const gchar* address = (const gchar*)iter->data;
+
+ /* We need only the email to just compare it and not
+ the full address which would make "a <a@a.com>"
+ different from "a@a.com" */
+ const gchar *email = get_email_from_address (address);
+
+ /* ignore the address if already seen */
+ if (g_hash_table_lookup (table, email) == 0) {
+ g_hash_table_insert (table, (gchar*)email, GINT_TO_POINTER(1));
+ iter = g_slist_next (iter);
+ } else {
+ GSList *tmp = g_slist_next (iter);
+ new_list = g_slist_delete_link (new_list, iter);
+ iter = tmp;
+ }
+ }
+
+ g_hash_table_unref (table);
+
+ return new_list;
+}
+
+gchar *
+modest_text_utils_get_secure_header (const gchar *value,
+ const gchar *header)
+{
+ const gint max_len = 16384;
+ gchar *new_value = NULL;
+ gchar *needle = g_strrstr (value, header);
+
+ if (needle && value != needle)
+ new_value = g_strdup (needle + strlen (header));
+
+ if (!new_value)
+ new_value = g_strdup (value);
+
+ /* Do a max length check to prevent DoS attacks caused by huge
+ malformed headers */
+ if (g_utf8_validate (new_value, -1, NULL)) {
+ if (g_utf8_strlen (new_value, -1) > max_len) {
+ gchar *tmp = g_malloc0 (max_len * 4);
+ g_utf8_strncpy (tmp, (const gchar *) new_value, max_len);
+ g_free (new_value);
+ new_value = tmp;
+ }
+ } else {
+ if (strlen (new_value) > max_len) {
+ gchar *tmp = g_malloc0 (max_len);
+ strncpy (new_value, tmp, max_len);
+ g_free (new_value);
+ new_value = tmp;
+ }
+ }
+
+ return new_value;
+}
+
+static gboolean
+is_quoted (const char *start, const gchar *end)
+{
+ gchar *c;
+
+ c = (gchar *) start;
+ while (*c == ' ')
+ c = g_utf8_next_char (c);
+
+ if (*c == '\0' || *c != '\"')
+ return FALSE;
+
+ c = (gchar *) end;
+ while (*c == ' ' && c != start)
+ c = g_utf8_prev_char (c);
+
+ if (c == start || *c != '\"')
+ return FALSE;
+
+ return TRUE;
+}
+
+
+static void
+quote_name_part (GString **str, gchar **cur, gchar **start)
+{
+ gchar *blank;
+ gint str_len = *cur - *start;
+
+ while (**start == ' ') {
+ *start = g_utf8_next_char (*start);
+ str_len--;
+ }
+
+ blank = g_utf8_strrchr (*start, str_len, g_utf8_get_char (" "));
+ if (blank && (blank != *start)) {
+ if (is_quoted (*start, blank - 1)) {
+ *str = g_string_append_len (*str, *start, str_len);
+ *str = g_string_append (*str, ";");
+ *start = g_utf8_next_char (*cur);
+ } else {
+ *str = g_string_append_c (*str, '"');
+ *str = g_string_append_len (*str, *start,
+ (g_utf8_pointer_to_offset (*start, blank) -
+ g_utf8_pointer_to_offset (*start, *start)));
+ *str = g_string_append_c (*str, '"');
+ *str = g_string_append_len (*str, blank,
+ (g_utf8_pointer_to_offset (*start, *cur) -
+ g_utf8_pointer_to_offset (*start, blank)));
+ *str = g_string_append (*str, ";");
+ *start = g_utf8_next_char (*cur);
+ }
+ } else {
+ *str = g_string_append_len (*str, *start, str_len);
+ *str = g_string_append (*str, ";");
+ *start = g_utf8_next_char (*cur);
+ }
+}
+
+gchar *
+modest_text_utils_quote_names (const gchar *recipients)
+{
+ GString *str;
+ gchar *start, *cur;
+
+ str = g_string_new ("");
+ start = (gchar*) recipients;
+ cur = (gchar*) recipients;
+
+ for (cur = start; *cur != '\0'; cur = g_utf8_next_char (cur)) {
+ if (*cur == ',' || *cur == ';') {
+ if (!g_utf8_strchr (start, (cur - start + 1), g_utf8_get_char ("@")))
+ continue;
+ quote_name_part (&str, &cur, &start);
+ }
+ }
+
+ quote_name_part (&str, &cur, &start);
+
+ return g_string_free (str, FALSE);
+}
+
+/* Returns TRUE if there is no recipients in the text buffer. Note
+ that strings like " ; , " contain only separators and thus no
+ recipients */
+gboolean
+modest_text_utils_no_recipient (GtkTextBuffer *buffer)
+{
+ gboolean retval = TRUE;
+ gchar *text, *tmp;
+ GtkTextIter start, end;
+
+ if (gtk_text_buffer_get_char_count (buffer) == 0)
+ return TRUE;
+
+ gtk_text_buffer_get_start_iter (buffer, &start);
+ gtk_text_buffer_get_end_iter (buffer, &end);
+
+ text = g_strstrip (gtk_text_buffer_get_text (buffer, &start, &end, FALSE));
+ if (!g_strcmp0 (text, ""))
+ return TRUE;
+
+ tmp = text;
+ while (tmp && *tmp != '\0') {
+ if ((*tmp != ',') && (*tmp != ';') &&
+ (*tmp != '\r') && (*tmp != '\n') &&
+ (*tmp != ' ')) {
+ retval = FALSE;
+ break;
+ } else {
+ tmp++;
+ }
+ }
+ g_free (text);
+
+ return retval;
+}
+
+gchar *
+modest_text_utils_create_colored_signature (const gchar *signature)
+{
+ gchar *gray_color_markup = NULL, *retval;
+ GdkColor color;
+ GtkWidget *widget;
+
+ /* Get color from widgets */
+ widget = (GtkWidget *) modest_window_mgr_get_current_top (modest_runtime_get_window_mgr ());
+ if (widget && gtk_style_lookup_color (gtk_widget_get_style (widget), "SecondaryTextColor", &color))
+ gray_color_markup = modest_text_utils_get_color_string (&color);
+
+ retval = g_strdup_printf ("<br/>\n<font color=\"%s\">%s<br/>\n%s<br/>\n</font>",
+ (gray_color_markup) ? gray_color_markup : "#babababababa",
+ MODEST_TEXT_UTILS_SIGNATURE_MARKER,
+ signature);
+
+ if (gray_color_markup)
+ g_free (gray_color_markup);
+
+ return retval;
+}
+
+gboolean
+modest_text_utils_live_search_find (const gchar *haystack, const gchar *needles)
+{
+ gchar *haystack_fold;
+ gchar *needles_fold;
+ gchar **needle, **current;
+ gboolean match;
+
+ match = FALSE;
+
+ haystack_fold = g_utf8_casefold (haystack, -1);
+ needles_fold = g_utf8_casefold (needles, -1);
+
+ needle = g_strsplit (needles_fold, " ", -1);
+
+ current = needle;
+ while (current && *current != NULL) {
+
+ if (g_strstr_len (haystack_fold, -1, *current) != NULL) {
+ match = TRUE;
+ } else {
+ match = FALSE;
+ break;
+ }
+ current++;
+ }
+
+ g_strfreev (needle);
+ g_free (needles_fold);
+ g_free (haystack_fold);
+
+ return match;
+}