*/
-/* modest-ui.c */
-
-#include <gtk/gtk.h>
+#include <glib.h>
#include <string.h>
#include <stdlib.h>
#include <glib/gi18n.h>
+#include <regex.h>
#include "modest-text-utils.h"
/* just to prevent warnings:
* warning: `%x' yields only last 2 digits of year in some locales
*/
-static size_t
-my_strftime(char *s, size_t max, const char *fmt, const
- struct tm *tm) {
+size_t
+modest_text_utils_strftime(char *s, size_t max, const char *fmt, const struct tm *tm)
+{
return strftime(s, max, fmt, tm);
}
static gchar *
-cite (const time_t sent_date, const gchar *from) {
- gchar *str;
+cite (const time_t sent_date, const gchar *from)
+{
gchar sent_str[101];
/* format sent_date */
- my_strftime (sent_str, 100, "%c", localtime (&sent_date));
+ modest_text_utils_strftime (sent_str, 100, "%c", localtime (&sent_date));
return g_strdup_printf (N_("On %s, %s wrote:\n"), sent_str, from);
}
return g_string_free (q, FALSE);
}
-static gchar *
-create_derivated_subject (const gchar *subject, const gchar *prefix)
+
+gchar *
+modest_text_utils_derived_subject (const gchar *subject, const gchar *prefix)
{
- gchar *tmp, *buffer;
+ gchar *tmp;
if (!subject)
return g_strdup_printf ("%s ", prefix);
}
}
-/**
- * modest_text_utils_create_reply_subject:
- * @subject:
- *
- * creates a new subject with a reply prefix if not present before
- *
- * Returns: a new subject with the reply prefix
- **/
-gchar *
-modest_text_utils_create_reply_subject (const gchar *subject)
-{
- return create_derivated_subject (subject, _("Re:"));
-}
-
-/**
- * modest_text_utils_create_forward_subject:
- * @subject:
- *
- * creates a new subject with a forward prefix if not present before
- *
- * Returns: a new subject with the forward prefix
- **/
-gchar *
-modest_text_utils_create_forward_subject (const gchar *subject)
-{
- return create_derivated_subject (subject, _("Fw:"));
-}
gchar *
-modest_text_utils_create_cited_text (const gchar *from,
+modest_text_utils_cited_text (const gchar *from,
time_t sent_date,
const gchar *text)
{
return retval;
}
-/**
- * modest_text_utils_create_inlined_text:
- * @text: the original text
- *
- * creates a new string with the "Original message" text prepended to
- * the text passed as argument and some data of the header
- *
- * Returns: a newly allocated text
- **/
+
gchar *
-modest_text_utils_create_inlined_text (const gchar *from,
- time_t sent_date,
- const gchar *to,
- const gchar *subject,
- const gchar *text)
+modest_text_utils_inlined_text (const gchar *from, time_t sent_date,
+ const gchar *to, const gchar *subject,
+ const gchar *text)
{
gchar sent_str[101];
- my_strftime (sent_str, 100, "%c", localtime (&sent_date));
+ modest_text_utils_strftime (sent_str, 100, "%c", localtime (&sent_date));
return g_strdup_printf ("%s\n%s %s\n%s %s\n%s %s\n%s %s\n\n%s",
_("-----Forwarded Message-----"),
}
gchar *
-modest_text_utils_remove_mail_from_mail_list (const gchar *emails,
- const gchar *email)
+modest_text_utils_remove_address (const gchar *address, const gchar *address_list)
{
char *dup, *token, *ptr, *result;
GString *filtered_emails;
- if (!emails)
+ if (!address_list)
return NULL;
/* Search for substring */
- if (!strstr ((const char *) emails, (const char *) email))
- return g_strdup (emails);
+ if (!strstr ((const char *) address_list, (const char *) address))
+ return g_strdup (address_list);
- dup = g_strdup (emails);
+ 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)) {
- if (G_UNLIKELY (filtered_emails->len) == 0)
+ if (!strstr ((const char *) token, (const char *) address)) {
+ if (filtered_emails->len == 0)
g_string_append_printf (filtered_emails, "%s", token);
else
g_string_append_printf (filtered_emails, ",%s", token);
return result;
}
+
+
+
+
+/*
+ * we need these regexps to find URLs in plain text e-mails
+ */
+typedef struct _url_match_pattern_t url_match_pattern_t;
+struct _url_match_pattern_t {
+ gchar *regex;
+ regex_t *preg;
+ gchar *prefix;
+};
+
+typedef struct _url_match_t url_match_t;
+struct _url_match_t {
+ guint offset;
+ guint len;
+ const gchar* prefix;
+};
+
+
+#define MAIL_VIEWER_URL_MATCH_PATTERNS { \
+ { "(file|rtsp|http|ftp|https)://[-A-Za-z0-9_$.+!*(),;:@%&=?/~#]+[-A-Za-z0-9_$%&=?/~#]",\
+ NULL, NULL },\
+ { "www\\.[-a-z0-9.]+[-a-z0-9](:[0-9]*)?(/[-A-Za-z0-9_$.+!*(),;:@%&=?/~#]*[^]}\\),?!;:\"]?)?",\
+ NULL, "http://" },\
+ { "ftp\\.[-a-z0-9.]+[-a-z0-9](:[0-9]*)?(/[-A-Za-z0-9_$.+!*(),;:@%&=?/~#]*[^]}\\),?!;:\"]?)?",\
+ NULL, "ftp://" },\
+ { "(voipto|callto|chatto|jabberto|xmpp):[-_a-z@0-9.\\+]+", \
+ NULL, NULL}, \
+ { "mailto:[-_a-z0-9.\\+]+@[-_a-z0-9.]+", \
+ NULL, NULL},\
+ { "[-_a-z0-9.\\+]+@[-_a-z0-9.]+",\
+ NULL, "mailto:"}\
+ }
+
+
+static gint
+cmp_offsets_reverse (const url_match_t *match1, const url_match_t *match2)
+{
+ return match2->offset - match1->offset;
+}
+
+
+
+/*
+ * check if the match is inside an existing match... */
+static void
+chk_partial_match (const url_match_t *match, guint* offset)
+{
+ if (*offset >= match->offset && *offset < match->offset + match->len)
+ *offset = -1;
+}
+
+static GSList*
+get_url_matches (GString *txt)
+{
+ regmatch_t rm;
+ guint rv, i, 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_new0 (regex_t,1);
+ g_assert(regcomp (patterns[i].preg, patterns[i].regex,
+ REG_ICASE|REG_EXTENDED|REG_NEWLINE) == 0);
+ }
+ /* find all the matches */
+ for (i = 0; i != pattern_num; ++i) {
+ offset = 0;
+ while (1) {
+ int test_offset;
+ if ((rv = regexec (patterns[i].preg, txt->str + offset, 1, &rm, 0)) != 0) {
+ g_assert (rv == REG_NOMATCH); /* 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_new (url_match_t,1);
+ match->offset = 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;
+ }
+ }
+
+ for (i = 0; i != pattern_num; ++i) {
+ regfree (patterns[i].preg);
+ g_free (patterns[i].preg);
+ } /* don't free patterns itself -- it's static */
+
+ /* 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
+ * to recalculate the offsets
+ */
+ match_list = g_slist_sort (match_list,
+ (GCompareFunc)cmp_offsets_reverse);
+ return match_list;
+}
+
+
+
+static void
+hyperlinkify_plain_text (GString *txt)
+{
+ GSList *cursor;
+ GSList *match_list = get_url_matches (txt);
+
+ /* we will work backwards, so the offsets stay valid */
+ for (cursor = match_list; cursor; cursor = cursor->next) {
+
+ url_match_t *match = (url_match_t*) cursor->data;
+ gchar *url = g_strndup (txt->str + match->offset, match->len);
+ gchar *repl = NULL; /* replacement */
+
+ /* 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 : "", url, url);
+
+ /* replace the old thing with our hyperlink
+ * replacement thing */
+ g_string_erase (txt, match->offset, match->len);
+ g_string_insert (txt, match->offset, repl);
+
+ g_free (url);
+ g_free (repl);
+
+ g_free (cursor->data);
+ }
+
+ g_slist_free (match_list);
+}
+
+
+
+gchar*
+modest_text_utils_convert_to_html (const gchar *data)
+{
+ guint i;
+ gboolean first_space = TRUE;
+ GString *html;
+ gsize len;
+
+ if (!data)
+ return NULL;
+
+ len = strlen (data);
+ html = g_string_sized_new (len + 100); /* just a guess... */
+
+ g_string_append_printf (html,
+ "<html>"
+ "<head>"
+ "<meta http-equiv=\"content-type\""
+ " content=\"text/html; charset=utf8\">"
+ "</head>"
+ "<body><tt>");
+
+ /* replace with special html chars where needed*/
+ for (i = 0; i != len; ++i) {
+ char kar = data[i];
+ 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 '\n': g_string_append (html, "<br>\n"); break;
+ default:
+ if (kar == ' ') {
+ g_string_append (html, first_space ? " " : " ");
+ first_space = FALSE;
+ } else if (kar == '\t')
+ g_string_append (html, " ");
+ else {
+ int charnum = 0;
+ first_space = TRUE;
+ /* optimization trick: accumulate 'normal' chars, then copy */
+ do {
+ kar = data [++charnum + i];
+
+ } while ((i + charnum < len) &&
+ (kar > '>' || (kar != '<' && kar != '>'
+ && kar != '&' && kar != ' '
+ && kar != '\n' && kar != '\t')));
+ g_string_append_len (html, &data[i], charnum);
+ i += (charnum - 1);
+ }
+ }
+ }
+
+ g_string_append (html, "</tt></body></html>");
+ hyperlinkify_plain_text (html);
+
+ return g_string_free (html, FALSE);
+}
+
+
+
projects / modest / blobdiff