/* Remove all "extra" characters from `nick'. Like _nick_ -> nick */
char *nick_strip(const char *nick)
{
char *stripped, *spos;
g_return_val_if_fail(nick != NULL, NULL);
spos = stripped = g_strdup(nick);
while (isnickchar(*nick)) {
if (isalnum((gint) *nick)) *spos++ = *nick;
nick++;
}
if ((unsigned char) *nick >= 128)
*spos++ = *nick; /* just add it so that nicks won't match.. */
*spos = '\0';
return stripped;
}
/* convert _underlined_, /italics/, and *bold* words (and phrases) to use real
underlining or bolding */
char *expand_emphasis(WI_ITEM_REC *item, const char *text)
{
GString *str;
char *ret;
int pos;
int emphasis_italics;
g_return_val_if_fail(text != NULL, NULL);
emphasis_italics = settings_get_bool("emphasis_italics");
str = g_string_new(text);
for (pos = 0; pos < str->len; pos++) {
char type, *bgn, *end;
bgn = str->str + pos;
if (*bgn == '*')
type = 2; /* bold */
else if (*bgn == '/' && emphasis_italics)
type = 29; /* italics */
else if (*bgn == '_')
type = 31; /* underlined */
else
continue;
/* check that the beginning marker starts a word, and
that the matching end marker ends a word */
if ((pos > 0 && bgn[-1] != ' ') || !ishighalnum(bgn[1]))
continue;
if ((end = strchr(bgn+1, *bgn)) == NULL)
continue;
if (!ishighalnum(end[-1]) || ishighalnum(end[1]) ||
end[1] == type || end[1] == '*' || end[1] == '_' ||
/* special case for italics to not emphasise
common paths by skipping /.../.X */
(type == 29 && i_ispunct(end[1]) && ishighalnum(end[2])))
continue;
if (IS_CHANNEL(item)) {
/* check that this isn't a _nick_, we don't want to
use emphasis on them. */
int found;
char c;
char *end2;
/* check if _foo_ is a nick */
c = end[1];
end[1] = '\0';
found = nicklist_find(CHANNEL(item), bgn) != NULL;
end[1] = c;
if (found) continue;
/* check if the whole 'word' (e.g. "_foo_^") is a nick
in "_foo_^ ", end will be the second _, end2 the ^ */
end2 = end;
while (isnickchar(end2[1]))
end2++;
c = end2[1];
end2[1] = '\0';
found = nicklist_find(CHANNEL(item), bgn) != NULL;
end2[1] = c;
if (found) continue;
}
/* allow only *word* emphasis, not *multiple words* */
if (!settings_get_bool("emphasis_multiword")) {
char *c;
for (c = bgn+1; c != end; c++) {
if (!ishighalnum(*c))
break;
}
if (c != end) continue;
}
if (settings_get_bool("emphasis_replace")) {
*bgn = *end = type;
pos += (end-bgn);
} else {
g_string_insert_c(str, pos, type);
pos += (end - bgn) + 2;
g_string_insert_c(str, pos++, type);
}
}
ret = str->str;
g_string_free(str, FALSE);
return ret;
}
