*/
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif /*_GNU_SOURCE*/
+#include <string.h> /* for strcasestr */
+
+
#include <glib.h>
-#include <string.h>
#include <stdlib.h>
#include <glib/gi18n.h>
#include <regex.h>
#include <modest-tny-platform-factory.h>
#include <modest-text-utils.h>
#include <modest-runtime.h>
-
+#include <ctype.h>
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /*HAVE_CONFIG_H */
/* defines */
-#define FORWARD_STRING _("-----Forwarded Message-----")
-#define FROM_STRING _("From:")
-#define SENT_STRING _("Sent:")
-#define TO_STRING _("To:")
-#define SUBJECT_STRING _("Subject:")
+#define FORWARD_STRING _("mcen_ia_editor_original_message")
+#define FROM_STRING _("mail_va_from")
+#define SENT_STRING _("mcen_fi_message_properties_sent")
+#define TO_STRING _("mail_va_to")
+#define SUBJECT_STRING _("mail_va_subject")
#define EMPTY_STRING ""
/*
+ * do the hyperlinkification only for texts < 50 Kb,
+ * as it's quite slow. Without this, e.g. mail with
+ * an uuencoded part (which is not recognized as attachment,
+ * will hang modest
+ */
+#define HYPERLINKIFY_MAX_LENGTH (1024*50)
+#define SIGNATURE_MARKER "--"
+
+
+/*
* we need these regexps to find URLs in plain text e-mails
*/
typedef struct _url_match_pattern_t url_match_pattern_t;
const gchar* prefix;
};
+
+/*
+ * we mark the ampersand with \007 when converting text->html
+ * because after text->html we do hyperlink detecting, which
+ * could be screwed up by the ampersand.
+ * ie. 1<3 ==> 1\007lt;3
+ */
+#define MARK_AMP '\007'
+#define MARK_AMP_STR "\007"
+
+/* mark & separately, because they are parts of urls.
+ * ie. a&b => a\006amp;b, but a>b => a\007gt;b
+ *
+ * we need to handle '&' separately, because it can be part of URIs
+ * (as in href="http://foo.bar?a=1&b=1"), so inside those URIs
+ * we need to re-replace \006amp; with '&' again, while outside uri's
+ * it will be '&'
+ *
+ * yes, it's messy, but a consequence of doing text->html first, then hyperlinkify
+ */
+#define MARK_AMP_URI '\006'
+#define MARK_AMP_URI_STR "\006"
+
+
+/* note: match MARK_AMP_URI_STR as well, because after txt->html, a '&' will look like $(MARK_AMP_URI_STR)"amp;" */
#define MAIL_VIEWER_URL_MATCH_PATTERNS { \
- { "(file|rtsp|http|ftp|https)://[-A-Za-z0-9_$.+!*(),;:@%&=?/~#]+[-A-Za-z0-9_$%&=?/~#]",\
+ { "(file|rtsp|http|ftp|https|mms|mmsh|rtsp|rdp|lastfm)://[-a-z0-9_$.+!*(),;:@%=?/~#" MARK_AMP_URI_STR \
+ "]+[-a-z0-9_$%" MARK_AMP_URI_STR "=?/~#]", \
NULL, NULL },\
- { "www\\.[-a-z0-9.]+[-a-z0-9](:[0-9]*)?(/[-A-Za-z0-9_$.+!*(),;:@%&=?/~#]*[^]}\\),?!;:\"]?)?",\
- NULL, "http://" },\
- { "ftp\\.[-a-z0-9.]+[-a-z0-9](:[0-9]*)?(/[-A-Za-z0-9_$.+!*(),;:@%&=?/~#]*[^]}\\),?!;:\"]?)?",\
+ { "www\\.[-a-z0-9_$.+!*(),;:@%=?/~#" MARK_AMP_URI_STR "]+[-a-z0-9_$%" MARK_AMP_URI_STR "=?/~#]",\
+ NULL, "http://" }, \
+ { "ftp\\.[-a-z0-9_$.+!*(),;:@%=?/~#" MARK_AMP_URI_STR "]+[-a-z0-9_$%" MARK_AMP_URI_STR "=?/~#]",\
NULL, "ftp://" },\
- { "(voipto|callto|chatto|jabberto|xmpp):[-_a-z@0-9.\\+]+", \
+ { "(jabberto|voipto|sipto|sip|chatto|xmpp):[-_a-z@0-9.+]+", \
NULL, NULL}, \
{ "mailto:[-_a-z0-9.\\+]+@[-_a-z0-9.]+", \
NULL, NULL},\
NULL, "mailto:"}\
}
+const gchar account_title_forbidden_chars[] = {
+ '\\', '/', ':', '*', '?', '\'', '<', '>', '|', '^'
+};
+const gchar folder_name_forbidden_chars[] = {
+ '<', '>', ':', '\'', '/', '\\', '|', '?', '*', '^', '%', '$', '#', '&'
+};
+const gchar user_name_forbidden_chars[] = {
+ '<', '>'
+};
+const guint ACCOUNT_TITLE_FORBIDDEN_CHARS_LENGTH = G_N_ELEMENTS (account_title_forbidden_chars);
+const guint FOLDER_NAME_FORBIDDEN_CHARS_LENGTH = G_N_ELEMENTS (folder_name_forbidden_chars);
+const guint USER_NAME_FORBIDDEN_CHARS_LENGTH = G_N_ELEMENTS (user_name_forbidden_chars);
+
/* private */
static gchar* cite (const time_t sent_date, const gchar *from);
-static void hyperlinkify_plain_text (GString *txt);
+static void hyperlinkify_plain_text (GString *txt, gint offset);
static gint cmp_offsets_reverse (const url_match_t *match1, const url_match_t *match2);
-static void chk_partial_match (const url_match_t *match, guint* offset);
-static GSList* get_url_matches (GString *txt);
+static GSList* get_url_matches (GString *txt, gint offset);
static GString* get_next_line (const char *b, const gsize blen, const gchar * iter);
static int get_indent_level (const char *l);
static gchar* modest_text_utils_quote_plain_text (const gchar *text,
const gchar *cite,
+ const gchar *signature,
+ GList *attachments,
int limit);
static gchar* modest_text_utils_quote_html (const gchar *text,
- const gchar *cite,
+ const gchar *cite,
+ const gchar *signature,
+ GList *attachments,
int limit);
static gchar* get_email_from_address (const gchar *address);
const gchar *signature,
const gchar *from,
const time_t sent_date,
+ GList *attachments,
int limit)
{
gchar *retval, *cited;
if (content_type && strcmp (content_type, "text/html") == 0)
/* TODO: extract the <body> of the HTML and pass it to
the function */
- retval = modest_text_utils_quote_html (text, cited, limit);
+ retval = modest_text_utils_quote_html (text, cited, signature, attachments, limit);
else
- retval = modest_text_utils_quote_plain_text (text, cited, limit);
+ retval = modest_text_utils_quote_plain_text (text, cited, signature, attachments, limit);
g_free (cited);
-
+
return retval;
}
const gchar *from,
time_t sent_date)
{
- gchar *tmp, *retval;
+ gchar *retval;
gchar *tmp_sig;
-
+
g_return_val_if_fail (text, NULL);
g_return_val_if_fail (content_type, NULL);
-
+
if (!signature)
- tmp_sig = g_strdup ("");
- else if (!strcmp(content_type, "text/html")) {
- tmp_sig = modest_text_utils_convert_to_html_body(signature);
+ retval = g_strdup ("");
+ else if (strcmp(content_type, "text/html") == 0) {
+ tmp_sig = g_strconcat (SIGNATURE_MARKER,"\n", signature, NULL);
+ retval = modest_text_utils_convert_to_html_body(tmp_sig, -1, TRUE);
+ g_free (tmp_sig);
} else {
- tmp_sig = g_strdup (signature);
+ retval = g_strconcat (text, SIGNATURE_MARKER, "\n", signature, NULL);
}
- tmp = cite (sent_date, from);
- retval = g_strdup_printf ("%s%s%s\n", tmp_sig, tmp, text);
- g_free (tmp_sig);
- g_free (tmp);
-
return retval;
}
+static gchar *
+forward_cite (const gchar *from,
+ const gchar *sent,
+ const gchar *to,
+ const gchar *subject)
+{
+ g_return_val_if_fail (sent, NULL);
+
+ return g_strdup_printf ("%s\n%s %s\n%s %s\n%s %s\n%s %s\n",
+ FORWARD_STRING,
+ FROM_STRING, (from)?from:"",
+ SENT_STRING, sent,
+ TO_STRING, (to)?to:"",
+ SUBJECT_STRING, (subject)?subject:"");
+}
+
gchar *
modest_text_utils_inline (const gchar *text,
const gchar *content_type,
const gchar *subject)
{
gchar sent_str[101];
- gchar *formatted_signature;
- const gchar *plain_format = "%s%s\n%s %s\n%s %s\n%s %s\n%s %s\n\n%s";
- const gchar *html_format = \
- "%s%s<br>\n<table width=\"100%\" border=\"0\" cellspacing=\"2\" cellpadding=\"2\">\n" \
- "<tr><td>%s</td><td>%s</td></tr>\n" \
- "<tr><td>%s</td><td>%s</td></tr>\n" \
- "<tr><td>%s</td><td>%s</td></tr>\n" \
- "<tr><td>%s</td><td>%s</td></tr>\n" \
- "<br><br>%s";
- const gchar *format;
-
+ gchar *cited;
+ gchar *retval;
+
g_return_val_if_fail (text, NULL);
g_return_val_if_fail (content_type, NULL);
- g_return_val_if_fail (text, NULL);
modest_text_utils_strftime (sent_str, 100, "%c", sent_date);
- if (!strcmp (content_type, "text/html"))
- /* TODO: extract the <body> of the HTML and pass it to
- the function */
- format = html_format;
+ cited = forward_cite (from, sent_str, to, subject);
+
+ if (content_type && strcmp (content_type, "text/html") == 0)
+ retval = modest_text_utils_quote_html (text, cited, signature, NULL, 80);
else
- format = plain_format;
-
- if (signature != NULL) {
- if (!strcmp (content_type, "text/html")) {
- formatted_signature = g_strconcat (signature, "<br/>", NULL);
- } else {
- formatted_signature = g_strconcat (signature, "\n", NULL);
- }
- } else {
- formatted_signature = "";
- }
-
- return g_strdup_printf (format, formatted_signature,
- FORWARD_STRING,
- FROM_STRING, (from) ? from : EMPTY_STRING,
- SENT_STRING, sent_str,
- TO_STRING, (to) ? to : EMPTY_STRING,
- SUBJECT_STRING, (subject) ? subject : EMPTY_STRING,
- text);
+ retval = modest_text_utils_quote_plain_text (text, cited, signature, NULL, 80);
+
+ g_free (cited);
+ return retval;
}
/* just to prevent warnings:
* g_date_set_time_t (&date, timet);
*/
localtime_r (&timet, &tm);
-
return strftime(s, max, fmt, &tm);
}
gchar *
modest_text_utils_derived_subject (const gchar *subject, const gchar *prefix)
{
- gchar *tmp;
+ gchar *tmp, *subject_dup, *retval;
+ gint prefix_len;
g_return_val_if_fail (prefix, NULL);
-
- if (!subject)
- return g_strdup (prefix);
- tmp = g_strchug (g_strdup (subject));
+ if (!subject || subject[0] == '\0')
+ subject = _("mail_va_no_subject");
- if (!strncmp (tmp, prefix, strlen (prefix))) {
- return tmp;
- } else {
- g_free (tmp);
- return g_strdup_printf ("%s %s", prefix, 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);
+
+ retval = g_strdup_printf ("%s %s", prefix, tmp);
+ g_free (subject_dup);
+
+ return retval;
}
gchar*
modest_text_utils_remove_address (const gchar *address_list, const gchar *address)
{
- gchar *dup, *token, *ptr, *result;
+ gchar *dup, *token, *ptr = NULL, *result;
GString *filtered_emails;
gchar *email_address;
g_return_val_if_fail (address_list, NULL);
-
+
if (!address)
return g_strdup (address_list);
return result;
}
+
+gchar*
+modest_text_utils_remove_duplicate_addresses (const gchar *address_list)
+{
+ GSList *addresses, *cursor;
+ GHashTable *table;
+ gchar *new_list = NULL;
+
+ g_return_val_if_fail (address_list, NULL);
+
+ table = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+ addresses = modest_text_utils_split_addresses_list (address_list);
+
+ cursor = addresses;
+ while (cursor) {
+ const gchar* address = (const gchar*)cursor->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) {
+ gchar *tmp;
+
+ /* Include the full address and not only the
+ email in the returned list */
+ if (!new_list) {
+ tmp = g_strdup (address);
+ } else {
+ tmp = g_strjoin (",", new_list, address, NULL);
+ g_free (new_list);
+ }
+ new_list = tmp;
+
+ g_hash_table_insert (table, (gchar*)email, GINT_TO_POINTER(1));
+ }
+ cursor = g_slist_next (cursor);
+ }
+
+ g_hash_table_unref (table);
+ g_slist_foreach (addresses, (GFunc)g_free, NULL);
+ g_slist_free (addresses);
+
+ return new_list;
+}
+
+
static void
-modest_text_utils_convert_buffer_to_html (GString *html, const gchar *data)
+modest_text_utils_convert_buffer_to_html_start (GString *html, const gchar *data, gssize n)
{
- guint i;
+ guint i;
gboolean space_seen = FALSE;
- gsize len;
+ guint break_dist = 0; /* distance since last break point */
- len = strlen (data);
+ if (n == -1)
+ n = strlen (data);
/* replace with special html chars where needed*/
- for (i = 0; i != len; ++i) {
- char kar = data[i];
+ for (i = 0; i != n; ++i) {
+ guchar kar = data[i];
if (space_seen && kar != ' ') {
g_string_append_c (html, ' ');
space_seen = FALSE;
}
+ /* we artificially insert a breakpoint (newline)
+ * after 256, to make sure our lines are not so long
+ * they will DOS the regexping later
+ * Also, check that kar is ASCII to make sure that we
+ * don't break a UTF8 char in two
+ */
+ if (++break_dist >= 256 && kar < 127) {
+ g_string_append_c (html, '\n');
+ break_dist = 0;
+ }
+
switch (kar) {
- case 0: break; /* ignore embedded \0s */
- case '<' : g_string_append (html, "<"); break;
- case '>' : g_string_append (html, ">"); break;
- case '&' : g_string_append (html, "&"); break;
- case '"' : g_string_append (html, """); break;
- case '\'' : g_string_append (html, "'"); break;
- case '\n' : g_string_append (html, "<br>\n"); break;
- case '\t' : g_string_append (html, " "); break; /* note the space at the end*/
+ case 0:
+ case MARK_AMP:
+ case MARK_AMP_URI:
+ /* this is a temp place holder for '&'; we can only
+ * set the real '&' after hyperlink translation, otherwise
+ * we might screw that up */
+ break; /* ignore embedded \0s and MARK_AMP */
+ case '<' : g_string_append (html, MARK_AMP_STR "lt;"); break;
+ case '>' : g_string_append (html, MARK_AMP_STR "gt;"); break;
+ case '&' : g_string_append (html, MARK_AMP_URI_STR "amp;"); break; /* special case */
+ case '"' : g_string_append (html, MARK_AMP_STR "quot;"); break;
+
+ /* 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 '\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, "  ");
+ g_string_append (html, " ");
space_seen = FALSE;
} else
space_seen = TRUE;
}
}
+
+static void
+modest_text_utils_convert_buffer_to_html_finish (GString *html)
+{
+ int i;
+ /* replace all our MARK_AMPs with real ones */
+ for (i = 0; i != html->len; ++i)
+ if ((html->str)[i] == MARK_AMP || (html->str)[i] == MARK_AMP_URI)
+ (html->str)[i] = '&';
+}
+
+
gchar*
modest_text_utils_convert_to_html (const gchar *data)
{
GString *html;
gsize len;
+
+ g_return_val_if_fail (data, NULL);
if (!data)
return NULL;
"</head>"
"<body>");
- modest_text_utils_convert_buffer_to_html (html, data);
+ modest_text_utils_convert_buffer_to_html_start (html, data, -1);
g_string_append (html, "</body></html>");
- hyperlinkify_plain_text (html);
+ if (len <= HYPERLINKIFY_MAX_LENGTH)
+ hyperlinkify_plain_text (html, 0);
+
+ modest_text_utils_convert_buffer_to_html_finish (html);
+
return g_string_free (html, FALSE);
}
gchar *
-modest_text_utils_convert_to_html_body (const gchar *data)
+modest_text_utils_convert_to_html_body (const gchar *data, gssize n, gboolean hyperlinkify)
{
GString *html;
- gsize len;
-
+
+ g_return_val_if_fail (data, NULL);
+
if (!data)
return NULL;
- len = strlen (data);
- html = g_string_sized_new (1.5 * len); /* just a guess... */
+ if (n == -1)
+ n = strlen (data);
+ html = g_string_sized_new (1.5 * n); /* just a guess... */
- modest_text_utils_convert_buffer_to_html (html, data);
+ modest_text_utils_convert_buffer_to_html_start (html, data, n);
- hyperlinkify_plain_text (html);
+ if (hyperlinkify && (n < HYPERLINKIFY_MAX_LENGTH))
+ hyperlinkify_plain_text (html, 0);
+ modest_text_utils_convert_buffer_to_html_finish (html);
+
return g_string_free (html, FALSE);
}
return;
}
+
GSList *
modest_text_utils_split_addresses_list (const gchar *addresses)
{
- gchar *current, *start, *last_blank;
- GSList *result = NULL;
+ GSList *head;
+ const gchar *my_addrs = addresses;
+ const gchar *end;
+ gchar *addr;
- start = (gchar *) addresses;
- current = start;
- last_blank = start;
+ 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] == ';'))
+ ++my_addrs;
- while (*current != '\0') {
- if ((start == current)&&((*current == ' ')||(*current == ',')||(*current == ';'))) {
- start = g_utf8_next_char (start);
- last_blank = current;
- } else if ((*current == ',')||(*current == ';')) {
- gchar *new_address = NULL;
- new_address = g_strndup (start, current - last_blank);
- result = g_slist_prepend (result, new_address);
- start = g_utf8_next_char (current);
- last_blank = start;
- } else if (*current == '\"') {
- if (current == start) {
- current = g_utf8_next_char (current);
- start = g_utf8_next_char (start);
- }
- while ((*current != '\"')&&(*current != '\0'))
- current = g_utf8_next_char (current);
- }
-
- current = g_utf8_next_char (current);
- }
+ /* 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;
+ while (end[0] && end[0] != ',' && end[0] != ';')
+ ++end;
- if (start != current) {
- gchar *new_address = NULL;
- new_address = g_strndup (start, current - last_blank);
- result = g_slist_prepend (result, new_address);
- }
+ /* we got the address; copy it and remove trailing whitespace */
+ addr = g_strndup (my_addrs, end - my_addrs);
+ g_strchomp (addr);
- result = g_slist_reverse (result);
- return result;
+ head = g_slist_append (NULL, addr);
+ head->next = modest_text_utils_split_addresses_list (end); /* recurse */
+ return head;
}
+
void
modest_text_utils_address_range_at_position (const gchar *recipients_list,
- gint position,
- gint *start,
- gint *end)
+ guint position,
+ guint *start,
+ guint *end)
{
gchar *current = NULL;
gint range_start = 0;
gint index;
gboolean is_quoted = FALSE;
+ g_return_if_fail (recipients_list);
+ g_return_if_fail (position < g_utf8_strlen(recipients_list, -1));
+
index = 0;
- for (current = (gchar *) recipients_list; *current != '\0'; current = g_utf8_find_next_char (current, NULL)) {
+ for (current = (gchar *) recipients_list; *current != '\0';
+ current = g_utf8_find_next_char (current, NULL)) {
gunichar c = g_utf8_get_char (current);
if ((c == ',') && (!is_quoted)) {
*end = range_end;
}
+gchar *
+modest_text_utils_address_with_standard_length (const gchar *recipients_list)
+{
+ gchar ** splitted;
+ gchar ** current;
+ GString *buffer = g_string_new ("");
+
+ splitted = g_strsplit (recipients_list, "\n", 0);
+ current = splitted;
+ while (*current) {
+ gchar *line;
+ if (current != splitted)
+ buffer = g_string_append_c (buffer, '\n');
+ line = g_strndup (*splitted, 1000);
+ buffer = g_string_append (buffer, line);
+ g_free (line);
+ current++;
+ }
+
+ g_strfreev (splitted);
+
+ return g_string_free (buffer, FALSE);
+}
+
/* ******************************************************************* */
/* ************************* UTILIY FUNCTIONS ************************ */
static gchar *
cite (const time_t sent_date, const gchar *from)
{
- gchar sent_str[101];
-
- /* format sent_date */
- modest_text_utils_strftime (sent_str, 100, "%c", sent_date);
- return g_strdup_printf (N_("On %s, %s wrote:\n"),
- sent_str,
- (from) ? from : EMPTY_STRING);
+ return g_strdup (_("mcen_ia_editor_original_message"));
}
+static gchar *
+quoted_attachments (GList *attachments)
+{
+ GList *node = NULL;
+ GString *result = g_string_new ("");
+ for (node = attachments; node != NULL; node = g_list_next (node)) {
+ gchar *filename = (gchar *) node->data;
+ g_string_append_printf ( result, "%s %s\n", _("mcen_ia_editor_attach_filename"), filename);
+ }
+
+ return g_string_free (result, FALSE);
+
+}
static gchar *
modest_text_utils_quote_plain_text (const gchar *text,
const gchar *cite,
+ const gchar *signature,
+ GList *attachments,
int limit)
{
const gchar *iter;
gint indent, breakpoint, rem_indent = 0;
GString *q, *l, *remaining;
gsize len;
+ gchar *attachments_string = NULL;
+
+ q = g_string_new ("\n");
+ q = g_string_append (q, cite);
+ q = g_string_append_c (q, '\n');
/* remaining will store the rest of the line if we have to break it */
- q = g_string_new (cite);
remaining = g_string_new ("");
iter = text;
g_string_free (l, TRUE);
} while ((iter < text + len) || (remaining->str[0]));
+ attachments_string = quoted_attachments (attachments);
+ q = g_string_append (q, attachments_string);
+ g_free (attachments_string);
+
+ if (signature != NULL) {
+ q = g_string_append (q, "\n--\n");
+ q = g_string_append (q, signature);
+ q = g_string_append_c (q, '\n');
+ }
+
return g_string_free (q, FALSE);
}
+static void
+quote_html_add_to_gstring (GString *string,
+ const gchar *text)
+{
+ if (text && strcmp (text, "")) {
+ gchar *html_text = modest_text_utils_convert_to_html_body (text, -1, TRUE);
+ g_string_append_printf (string, "%s<br/>", html_text);
+ g_free (html_text);
+ }
+}
+
static gchar*
modest_text_utils_quote_html (const gchar *text,
const gchar *cite,
+ const gchar *signature,
+ GList *attachments,
int limit)
{
- const gchar *format = \
- "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\n" \
- "<html>\n" \
- "<body>\n" \
- "%s" \
- "<blockquote type=\"cite\">\n%s\n</blockquote>\n" \
- "</body>\n" \
- "</html>\n";
-
- return g_strdup_printf (format, cite, text);
+ GString *result_string;
+
+ result_string =
+ g_string_new ( \
+ "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\n" \
+ "<html>\n" \
+ "<body>\n");
+
+ if (text || cite || signature) {
+ g_string_append (result_string, "<pre>");
+ quote_html_add_to_gstring (result_string, cite);
+ quote_html_add_to_gstring (result_string, text);
+ if (attachments) {
+ gchar *attachments_string = quoted_attachments (attachments);
+ quote_html_add_to_gstring (result_string, attachments_string);
+ g_free (attachments_string);
+ }
+ if (signature) {
+ quote_html_add_to_gstring (result_string, SIGNATURE_MARKER);
+ quote_html_add_to_gstring (result_string, signature);
+ }
+ g_string_append (result_string, "</pre>");
+ }
+ g_string_append (result_string, "</body>");
+ g_string_append (result_string, "</html>");
+
+ return g_string_free (result_string, FALSE);
}
static gint
return match2->offset - match1->offset;
}
+static gboolean url_matches_block = 0;
+static url_match_pattern_t patterns[] = MAIL_VIEWER_URL_MATCH_PATTERNS;
-/*
- * check if the match is inside an existing match... */
-static void
-chk_partial_match (const url_match_t *match, guint* offset)
+static gboolean
+compile_patterns ()
{
- if (*offset >= match->offset && *offset < match->offset + match->len)
- *offset = -1;
+ guint i;
+ const size_t pattern_num = sizeof(patterns)/sizeof(url_match_pattern_t);
+ for (i = 0; i != pattern_num; ++i) {
+ patterns[i].preg = g_slice_new0 (regex_t);
+
+ /* this should not happen */
+ if (regcomp (patterns[i].preg, patterns[i].regex,
+ REG_ICASE|REG_EXTENDED|REG_NEWLINE) != 0) {
+ g_warning ("%s: error in regexp:\n%s\n", __FUNCTION__, patterns[i].regex);
+ return FALSE;
+ }
+ }
+ return TRUE;
}
+static void
+free_patterns ()
+{
+ guint i;
+ const size_t pattern_num = sizeof(patterns)/sizeof(url_match_pattern_t);
+ for (i = 0; i != pattern_num; ++i) {
+ regfree (patterns[i].preg);
+ g_slice_free (regex_t, patterns[i].preg);
+ } /* don't free patterns itself -- it's static */
+}
+
+void
+modest_text_utils_hyperlinkify_begin (void)
+{
+ if (url_matches_block == 0)
+ compile_patterns ();
+ url_matches_block ++;
+}
+
+void
+modest_text_utils_hyperlinkify_end (void)
+{
+ url_matches_block--;
+ if (url_matches_block <= 0)
+ free_patterns ();
+}
+
+
static GSList*
-get_url_matches (GString *txt)
+get_url_matches (GString *txt, gint offset)
{
regmatch_t rm;
- guint rv, i, offset = 0;
+ guint rv, i, tmp_offset = 0;
GSList *match_list = NULL;
- static url_match_pattern_t patterns[] = MAIL_VIEWER_URL_MATCH_PATTERNS;
const size_t pattern_num = sizeof(patterns)/sizeof(url_match_pattern_t);
/* initalize the regexps */
- for (i = 0; i != pattern_num; ++i) {
- patterns[i].preg = g_slice_new0 (regex_t);
+ modest_text_utils_hyperlinkify_begin ();
- /* this should not happen */
- g_return_val_if_fail (regcomp (patterns[i].preg, patterns[i].regex,
- REG_ICASE|REG_EXTENDED|REG_NEWLINE) == 0, NULL);
- }
/* find all the matches */
for (i = 0; i != pattern_num; ++i) {
- offset = 0;
+ tmp_offset = offset;
while (1) {
- int test_offset;
- if ((rv = regexec (patterns[i].preg, txt->str + offset, 1, &rm, 0)) != 0) {
+ url_match_t *match;
+ gboolean is_submatch;
+ GSList *cursor;
+
+ if ((rv = regexec (patterns[i].preg, txt->str + tmp_offset, 1, &rm, 0)) != 0) {
g_return_val_if_fail (rv == REG_NOMATCH, NULL); /* this should not happen */
break; /* try next regexp */
}
if (rm.rm_so == -1)
break;
-
- /* FIXME: optimize this */
- /* to avoid partial matches on something that was already found... */
- /* check_partial_match will put -1 in the data ptr if that is the case */
- test_offset = offset + rm.rm_so;
- g_slist_foreach (match_list, (GFunc)chk_partial_match, &test_offset);
- /* make a list of our matches (<offset, len, prefix> tupels)*/
- if (test_offset != -1) {
- url_match_t *match = g_slice_new (url_match_t);
- match->offset = offset + rm.rm_so;
+ is_submatch = FALSE;
+ /* check old matches to see if this has already been matched */
+ cursor = match_list;
+ while (cursor && !is_submatch) {
+ const url_match_t *old_match =
+ (const url_match_t *) cursor->data;
+ guint new_offset = tmp_offset + rm.rm_so;
+ is_submatch = (new_offset > old_match->offset &&
+ new_offset < old_match->offset + old_match->len);
+ cursor = g_slist_next (cursor);
+ }
+
+ if (!is_submatch) {
+ /* make a list of our matches (<offset, len, prefix> tupels)*/
+ match = g_slice_new (url_match_t);
+ match->offset = tmp_offset + rm.rm_so;
match->len = rm.rm_eo - rm.rm_so;
match->prefix = patterns[i].prefix;
match_list = g_slist_prepend (match_list, match);
- }
- offset += rm.rm_eo;
+ }
+ tmp_offset += rm.rm_eo;
}
}
- for (i = 0; i != pattern_num; ++i) {
- regfree (patterns[i].preg);
- g_slice_free (regex_t, patterns[i].preg);
- } /* don't free patterns itself -- it's static */
+ modest_text_utils_hyperlinkify_end ();
/* now sort the list, so the matches are in reverse order of occurence.
* that way, we can do the replacements starting from the end, so we don't need
+/* replace all occurences of needle in haystack with repl*/
+static gchar*
+replace_string (const gchar *haystack, const gchar *needle, gchar repl)
+{
+ gchar *str, *cursor;
+
+ if (!haystack || !needle || strlen(needle) == 0)
+ return haystack ? g_strdup(haystack) : NULL;
+
+ str = g_strdup (haystack);
+
+ for (cursor = str; cursor && *cursor; ++cursor) {
+ if (g_str_has_prefix (cursor, needle)) {
+ cursor[0] = repl;
+ memmove (cursor + 1,
+ cursor + strlen (needle),
+ strlen (cursor + strlen (needle)) + 1);
+ }
+ }
+
+ return str;
+}
+
static void
-hyperlinkify_plain_text (GString *txt)
+hyperlinkify_plain_text (GString *txt, gint offset)
{
GSList *cursor;
- GSList *match_list = get_url_matches (txt);
+ GSList *match_list = get_url_matches (txt, offset);
/* we will work backwards, so the offsets stay valid */
for (cursor = match_list; cursor; cursor = cursor->next) {
gchar *url = g_strndup (txt->str + match->offset, match->len);
gchar *repl = NULL; /* replacement */
+ /* the string still contains $(MARK_AMP_URI_STR)"amp;" for each
+ * '&' in the original, because of the text->html conversion.
+ * in the href-URL (and only there), we must convert that back to
+ * '&'
+ */
+ gchar *href_url = replace_string (url, MARK_AMP_URI_STR "amp;", '&');
+
/* the prefix is NULL: use the one that is already there */
repl = g_strdup_printf ("<a href=\"%s%s\">%s</a>",
match->prefix ? match->prefix : EMPTY_STRING,
- url, url);
+ href_url, url);
/* replace the old thing with our hyperlink
* replacement thing */
g_free (url);
g_free (repl);
+ g_free (href_url);
g_slice_free (url_match_t, match);
}
g_slist_free (match_list);
}
+void
+modest_text_utils_hyperlinkify (GString *string_buffer)
+{
+ gchar *after_body;
+ gint offset = 0;
+
+ after_body = strstr (string_buffer->str, "<body>");
+ if (after_body != NULL)
+ offset = after_body - string_buffer->str;
+ hyperlinkify_plain_text (string_buffer, offset);
+}
-gchar*
+/* for optimization reasons, we change the string in-place */
+void
modest_text_utils_get_display_address (gchar *address)
{
- gchar *cursor;
+ int i;
+
+ g_return_if_fail (address);
if (!address)
- return NULL;
+ return;
- g_return_val_if_fail (g_utf8_validate (address, -1, NULL), NULL);
+ /* should not be needed, and otherwise, we probably won't screw up the address
+ * more than it already is :)
+ * g_return_val_if_fail (g_utf8_validate (address, -1, NULL), NULL);
+ * */
- g_strchug (address); /* remove leading whitespace */
+ /* remove leading whitespace */
+ if (address[0] == ' ')
+ g_strchug (address);
+
+ for (i = 0; address[i]; ++i) {
+ if (address[i] == '<') {
+ if (G_UNLIKELY(i == 0))
+ return; /* there's nothing else, leave it */
+ else {
+ address[i] = '\0'; /* terminate the string here */
+ return;
+ }
+ }
+ }
+}
- /* <email@address> from display name */
- cursor = g_strstr_len (address, strlen(address), "<");
- if (cursor == address) /* there's nothing else? leave it */
- return address;
- if (cursor)
- cursor[0]='\0';
- /* remove (bla bla) from display name */
- cursor = g_strstr_len (address, strlen(address), "(");
- if (cursor == address) /* there's nothing else? leave it */
- return address;
- if (cursor)
- cursor[0]='\0';
- g_strchomp (address); /* remove trailing whitespace */
- return address;
-}
+gchar *
+modest_text_utils_get_email_address (const gchar *full_address)
+{
+ const gchar *left, *right;
+
+ g_return_val_if_fail (full_address, NULL);
+
+ if (!full_address)
+ return NULL;
+
+ g_return_val_if_fail (g_utf8_validate (full_address, -1, NULL), NULL);
+
+ left = g_strrstr_len (full_address, strlen(full_address), "<");
+ if (left == NULL)
+ return g_strdup (full_address);
+
+ right = g_strstr_len (left, strlen(left), ">");
+ if (right == NULL)
+ return g_strdup (full_address);
+ return g_strndup (left + 1, right - left - 1);
+}
gint
modest_text_utils_get_subject_prefix_len (const gchar *sub)
{
- gint i;
- static const gchar* prefix[] = {
- "Re:", "RE:", "Fwd:", "FWD:", "FW:", NULL
- };
-
- if (!sub || (sub[0] != 'R' && sub[0] != 'F')) /* optimization */
- return 0;
+ gint prefix_len = 0;
- i = 0;
+ g_return_val_if_fail (sub, 0);
+
+ if (!sub)
+ return 0;
- while (prefix[i]) {
- if (g_str_has_prefix(sub, prefix[i])) {
- int prefix_len = strlen(prefix[i]);
- if (sub[prefix_len] == ' ')
- ++prefix_len; /* ignore space after prefix as well */
- return prefix_len;
- }
- ++i;
+ /* optimization: "Re", "RE", "re","Fwd", "FWD", "fwd","FW","Fw", "fw" */
+ if (sub[0] != 'R' && sub[0] != 'F' && sub[0] != 'r' && sub[0] != 'f')
+ return 0;
+ else if (sub[0] && sub[1] != 'e' && sub[1] != 'E' && sub[1] != 'w' && sub[1] != 'W')
+ return 0;
+
+ prefix_len = 2;
+ if (sub[2] == 'd')
+ ++prefix_len;
+
+ /* skip over a [...] block */
+ if (sub[prefix_len] == '[') {
+ int c = prefix_len + 1;
+ while (sub[c] && sub[c] != ']')
+ ++c;
+ if (sub[c])
+ return 0; /* no end to the ']' found */
+ else
+ prefix_len = c + 1;
}
- return 0;
+
+ /* did we find the ':' ? */
+ if (sub[prefix_len] == ':') {
+ ++prefix_len;
+ if (sub[prefix_len] == ' ')
+ ++prefix_len;
+ prefix_len += modest_text_utils_get_subject_prefix_len (sub + prefix_len);
+/* g_warning ("['%s','%s']", sub, (char*) sub + prefix_len); */
+ return prefix_len;
+ } else
+ return 0;
}
gint
modest_text_utils_utf8_strcmp (const gchar* s1, const gchar *s2, gboolean insensitive)
{
- gint result = 0;
- gchar *n1, *n2;
- /* work even when s1 and/or s2 == NULL */
+/* work even when s1 and/or s2 == NULL */
if (G_UNLIKELY(s1 == s2))
return 0;
-
- /* if it's not case sensitive */
- if (!insensitive)
- return strcmp (s1 ? s1 : "", s2 ? s2 : "");
-
- n1 = g_utf8_collate_key (s1 ? s1 : "", -1);
- n2 = g_utf8_collate_key (s2 ? s2 : "", -1);
+ if (G_UNLIKELY(!s1))
+ return -1;
+ if (G_UNLIKELY(!s2))
+ return 1;
- result = strcmp (n1, n2);
+ /* if it's not case sensitive */
+ if (!insensitive) {
+
+ /* optimization: shortcut if first char is ascii */
+ if (((s1[0] & 0xf0)== 0) && ((s2[0] & 0xf0) == 0))
+ return s1[0] - s2[0];
+
+ return g_utf8_collate (s1, s2);
- g_free (n1);
- g_free (n2);
+ } else {
+ gint result;
+ gchar *n1, *n2;
+
+ /* optimization: short cut iif first char is ascii */
+ if (((s1[0] & 0xf0) == 0) && ((s2[0] & 0xf0) == 0))
+ return tolower(s1[0]) - tolower(s2[0]);
+
+ n1 = g_utf8_strdown (s1, -1);
+ n2 = g_utf8_strdown (s2, -1);
+
+ result = g_utf8_collate (n1, n2);
+
+ g_free (n1);
+ g_free (n2);
- return result;
+ return result;
+ }
}
-gchar*
+const gchar*
modest_text_utils_get_display_date (time_t date)
{
- time_t now;
- const guint BUF_SIZE = 64;
- gchar date_buf[BUF_SIZE];
- gchar now_buf [BUF_SIZE];
+#define DATE_BUF_SIZE 64
+ static gchar date_buf[DATE_BUF_SIZE];
+
+ /* calculate the # of days since epoch for
+ * for today and for the date provided
+ * based on idea from pvanhoof */
+ int day = time(NULL) / (24 * 60 * 60);
+ int date_day = date / (24 * 60 * 60);
+
+ /* if it's today, show the time, if it's not today, show the date instead */
+
+ 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);
+
+ return date_buf; /* this is a static buffer, don't free! */
+}
+
+
+
+gboolean
+modest_text_utils_validate_folder_name (const gchar *folder_name)
+{
+ /* based on http://msdn2.microsoft.com/en-us/library/aa365247.aspx,
+ * with some extras */
+
+ guint len;
+ gint i;
+ const gchar **cursor = NULL;
+ const gchar *forbidden_names[] = { /* windows does not like these */
+ "CON", "PRN", "AUX", "NUL", ".", "..", "cur", "tmp", "new",
+ NULL /* cur, tmp, new are reserved for Maildir */
+ };
+
+ /* cannot be NULL */
+ if (!folder_name)
+ return FALSE;
+
+ /* cannot be empty */
+ len = strlen(folder_name);
+ if (len == 0)
+ return FALSE;
- now = time (NULL);
+ /* cannot start with a dot, vfat does not seem to like that */
+ if (folder_name[0] == '.')
+ return FALSE;
+
+ /* cannot start or end with a space */
+ if (g_ascii_isspace(folder_name[0]) || g_ascii_isspace(folder_name[len - 1]))
+ return FALSE;
+
+ /* cannot contain a forbidden char */
+ for (i = 0; i < len; i++)
+ if (modest_text_utils_is_forbidden_char (folder_name[i], FOLDER_NAME_FORBIDDEN_CHARS))
+ return FALSE;
- modest_text_utils_strftime (date_buf, BUF_SIZE, "%d/%m/%Y", date);
- modest_text_utils_strftime (now_buf, BUF_SIZE, "%d/%m/%Y", now); /* today */
-/* modest_text_utils_strftime (date_buf, BUF_SIZE, "%x", date); */
-/* modest_text_utils_strftime (now_buf, BUF_SIZE, "%x", now); /\* today *\/ */
+ /* Cannot contain Windows port numbers. I'd like to use GRegex
+ but it's still not available in Maemo. sergio */
+ if (g_ascii_strncasecmp (folder_name, "LPT", 3) ||
+ g_ascii_strncasecmp (folder_name, "COM", 3)) {
+ glong val;
+ gchar *endptr;
+
+ /* We skip the first 3 characters for the
+ comparison */
+ val = strtol(folder_name+3, &endptr, 10);
+
+ /* If the conversion to long succeeded then the string
+ is not valid for us */
+ if (*endptr == '\0')
+ return FALSE;
+ else
+ return TRUE;
+ }
+
+ /* cannot contain a forbidden word */
+ if (len <= 4) {
+ for (cursor = forbidden_names; cursor && *cursor; ++cursor) {
+ if (g_ascii_strcasecmp (folder_name, *cursor) == 0)
+ return FALSE;
+ }
+ }
+
+ return TRUE; /* it's valid! */
+}
+
+
+
+gboolean
+modest_text_utils_validate_domain_name (const gchar *domain)
+{
+ gboolean valid = FALSE;
+ regex_t rx;
+ const gchar* domain_regex = "^([a-z0-9-]*[a-z0-9]\\.)+[a-z0-9-]*[a-z0-9]$";
+
+ g_return_val_if_fail (domain, FALSE);
+
+ if (!domain)
+ return FALSE;
- /* if this is today, get the time instead of the date */
- if (strcmp (date_buf, now_buf) == 0)
- modest_text_utils_strftime (date_buf, BUF_SIZE, "%H:%M %P", date);
+ memset (&rx, 0, sizeof(regex_t)); /* coverity wants this... */
+
+ /* domain name: all alphanum or '-' or '.',
+ * but beginning/ending in alphanum */
+ if (regcomp (&rx, domain_regex, REG_ICASE|REG_EXTENDED|REG_NOSUB)) {
+ g_warning ("BUG: error in regexp");
+ return FALSE;
+ }
- return g_strdup(date_buf);
+ valid = (regexec (&rx, domain, 1, NULL, 0) == 0);
+ regfree (&rx);
+
+ return valid;
}
-gboolean
-modest_text_utils_validate_email_address (const gchar *email_address)
+
+
+gboolean
+modest_text_utils_validate_email_address (const gchar *email_address,
+ const gchar **invalid_char_position)
{
int count = 0;
const gchar *c = NULL, *domain = NULL;
- static gchar *rfc822_specials = "()<>@,;:\\\"[]";
-
+ static gchar *rfc822_specials = "()<>@,;:\\\"[]&";
+
+ if (invalid_char_position)
+ *invalid_char_position = NULL;
+
+ g_return_val_if_fail (email_address, FALSE);
+
+ /* check that the email adress contains exactly one @ */
+ if (!strstr(email_address, "@") ||
+ (strstr(email_address, "@") != g_strrstr(email_address, "@")))
+ return FALSE;
+
/* first we validate the name portion (name@domain) */
for (c = email_address; *c; c++) {
if (*c == '\"' &&
break;
if (*c <= ' ' || *c >= 127)
return FALSE;
- if (strchr(rfc822_specials, *c))
+ if (strchr(rfc822_specials, *c)) {
+ if (invalid_char_position)
+ *invalid_char_position = c;
return FALSE;
+ }
}
if (c == email_address || *(c - 1) == '.')
return FALSE;
return FALSE;
do {
if (*c == '.') {
- if (c == domain || *(c - 1) == '.')
+ if (c == domain || *(c - 1) == '.' || *(c + 1) == '\0')
return FALSE;
count++;
}
if (*c <= ' ' || *c >= 127)
return FALSE;
- if (strchr(rfc822_specials, *c))
+ if (strchr(rfc822_specials, *c)) {
+ if (invalid_char_position)
+ *invalid_char_position = c;
return FALSE;
+ }
} while (*++c);
return (count >= 1) ? TRUE : FALSE;
}
gboolean
-modest_text_utils_validate_recipient (const gchar *recipient)
+modest_text_utils_validate_recipient (const gchar *recipient, const gchar **invalid_char_position)
{
gchar *stripped, *current;
gchar *right_part;
gboolean has_error = FALSE;
- if (modest_text_utils_validate_email_address (recipient))
+ if (invalid_char_position)
+ *invalid_char_position = NULL;
+
+ g_return_val_if_fail (recipient, FALSE);
+
+ if (modest_text_utils_validate_email_address (recipient, invalid_char_position))
return TRUE;
+
stripped = g_strdup (recipient);
stripped = g_strstrip (stripped);
current = stripped;
address = g_strndup (right_part+1, strlen (right_part) - 2);
g_free (right_part);
- valid = modest_text_utils_validate_email_address (address);
+ valid = modest_text_utils_validate_email_address (address, invalid_char_position);
g_free (address);
return valid;
} else {
else
return g_strndup (left_limit + 1, (right_limit - left_limit) - 1);
}
+
+gchar *
+modest_text_utils_get_color_string (GdkColor *color)
+{
+ g_return_val_if_fail (color, NULL);
+
+ return g_strdup_printf ("#%x%x%x%x%x%x%x%x%x%x%x%x",
+ (color->red >> 12) & 0xf, (color->red >> 8) & 0xf,
+ (color->red >> 4) & 0xf, (color->red) & 0xf,
+ (color->green >> 12) & 0xf, (color->green >> 8) & 0xf,
+ (color->green >> 4) & 0xf, (color->green) & 0xf,
+ (color->blue >> 12) & 0xf, (color->blue >> 8) & 0xf,
+ (color->blue >> 4) & 0xf, (color->blue) & 0xf);
+}
+
+gchar *
+modest_text_utils_text_buffer_get_text (GtkTextBuffer *buffer)
+{
+ GtkTextIter start, end;
+ gchar *slice, *current;
+ GString *result = g_string_new ("");
+
+ g_return_val_if_fail (buffer && GTK_IS_TEXT_BUFFER (buffer), NULL);
+
+ gtk_text_buffer_get_start_iter (buffer, &start);
+ gtk_text_buffer_get_end_iter (buffer, &end);
+
+ slice = gtk_text_buffer_get_slice (buffer, &start, &end, FALSE);
+ current = slice;
+
+ while (current && current != '\0') {
+ if (g_utf8_get_char (current) == 0xFFFC) {
+ result = g_string_append_c (result, ' ');
+ current = g_utf8_next_char (current);
+ } else {
+ gchar *next = g_utf8_strchr (current, -1, 0xFFFC);
+ if (next == NULL) {
+ result = g_string_append (result, current);
+ } else {
+ result = g_string_append_len (result, current, next - current);
+ }
+ current = next;
+ }
+ }
+ g_free (slice);
+
+ return g_string_free (result, FALSE);
+
+}
+
+gboolean
+modest_text_utils_is_forbidden_char (const gchar character,
+ ModestTextUtilsForbiddenCharType type)
+{
+ gint i, len;
+ const gchar *forbidden_chars = NULL;
+
+ /* We need to get the length in the switch because the
+ compiler needs to know the size at compile time */
+ switch (type) {
+ case ACCOUNT_TITLE_FORBIDDEN_CHARS:
+ forbidden_chars = account_title_forbidden_chars;
+ len = G_N_ELEMENTS (account_title_forbidden_chars);
+ break;
+ case FOLDER_NAME_FORBIDDEN_CHARS:
+ forbidden_chars = folder_name_forbidden_chars;
+ len = G_N_ELEMENTS (folder_name_forbidden_chars);
+ break;
+ case USER_NAME_FORBIDDEN_NAMES:
+ forbidden_chars = user_name_forbidden_chars;
+ len = G_N_ELEMENTS (user_name_forbidden_chars);
+ break;
+ default:
+ g_return_val_if_reached (TRUE);
+ }
+
+ for (i = 0; i < len ; i++)
+ if (forbidden_chars[i] == character)
+ return TRUE;
+
+ return FALSE; /* it's valid! */
+}
+
+gchar *
+modest_text_utils_label_get_selection (GtkLabel *label)
+{
+ gint start, end;
+ gchar *selection;
+
+ if (gtk_label_get_selection_bounds (GTK_LABEL (label), &start, &end)) {
+ const gchar *start_offset;
+ const gchar *end_offset;
+ start_offset = gtk_label_get_text (GTK_LABEL (label));
+ start_offset = g_utf8_offset_to_pointer (start_offset, start);
+ end_offset = gtk_label_get_text (GTK_LABEL (label));
+ end_offset = g_utf8_offset_to_pointer (end_offset, end);
+ selection = g_strndup (start_offset, end_offset - start_offset);
+ return selection;
+ } else {
+ return g_strdup ("");
+ }
+}
+
+static gboolean
+_forward_search_image_char (gunichar ch,
+ gpointer userdata)
+{
+ return (ch == 0xFFFC);
+}
+
+gboolean
+modest_text_utils_buffer_selection_is_valid (GtkTextBuffer *buffer)
+{
+ gboolean result;
+ GtkTextIter start, end;
+
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), FALSE);
+
+ result = gtk_text_buffer_get_has_selection (GTK_TEXT_BUFFER (buffer));
+
+ /* check there are no images in selection */
+ if (result) {
+ gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
+ if (gtk_text_iter_get_char (&start)== 0xFFFC)
+ result = FALSE;
+ else {
+ gtk_text_iter_backward_char (&end);
+ if (gtk_text_iter_forward_find_char (&start, _forward_search_image_char,
+ NULL, &end))
+ result = FALSE;
+ }
+
+ }
+
+ return result;
+}
+
+gchar *
+modest_text_utils_escape_mnemonics (const gchar *text)
+{
+ const gchar *p;
+ GString *result = NULL;
+
+ if (text == NULL)
+ return NULL;
+
+ result = g_string_new ("");
+ for (p = text; *p != '\0'; p++) {
+ if (*p == '_')
+ result = g_string_append (result, "__");
+ else
+ result = g_string_append_c (result, *p);
+ }
+
+ return g_string_free (result, FALSE);
+}
projects / modest / blobdiff