/* This is a bit of a hack, because regexec doesn't have an 'n'
* version. */
static int _re_memcompare(const owl_regex *re, const char *string, int start, int end)
{
int ans;
char *tmp = g_strndup(string + start, end - start);
ans = owl_regex_compare(re, tmp, NULL, NULL);
g_free(tmp);
return !ans;
}
/* return 1 if the string is found, 0 if not. This is a case
* insensitive search.
*/
int owl_fmtext_search(const owl_fmtext *f, const owl_regex *re)
{
if (owl_regex_compare(re, f->textbuff, NULL, NULL) == 0) return(1);
return(0);
}
/* add the formatted text to the curses window 'w'. The window 'w'
* must already be initiatlized with curses
*/
static void _owl_fmtext_curs_waddstr(const owl_fmtext *f, WINDOW *w, int do_search)
{
/* char *tmpbuff; */
/* int position, trans1, trans2, trans3, len, lastsame; */
char *s, *p;
char attr;
short fg, bg, pair = 0;
if (w==NULL) {
owl_function_debugmsg("Hit a null window in owl_fmtext_curs_waddstr.");
return;
}
s = f->textbuff;
/* Set default attributes. */
attr = f->default_attrs;
fg = f->default_fgcolor;
bg = f->default_bgcolor;
_owl_fmtext_wattrset(w, attr);
_owl_fmtext_update_colorpair(fg, bg, &pair);
_owl_fmtext_wcolor_set(w, pair);
/* Find next possible format character. */
p = strchr(s, OWL_FMTEXT_UC_STARTBYTE_UTF8);
while(p) {
if (owl_fmtext_is_format_char(g_utf8_get_char(p))) {
/* Deal with all text from last insert to here. */
char tmp;
tmp = p[0];
p[0] = '\0';
if (owl_global_is_search_active(&g)) {
/* Search is active, so highlight search results. */
char tmp2;
int start, end;
while (owl_regex_compare(owl_global_get_search_re(&g), s, &start, &end) == 0) {
/* Prevent an infinite loop matching the empty string. */
if (end == 0)
break;
/* Found search string, highlight it. */
tmp2 = s[start];
s[start] = '\0';
waddstr(w, s);
s[start] = tmp2;
_owl_fmtext_wattrset(w, attr ^ OWL_FMTEXT_ATTR_REVERSE);
_owl_fmtext_wcolor_set(w, pair);
tmp2 = s[end];
s[end] = '\0';
waddstr(w, s + start);
s[end] = tmp2;
_owl_fmtext_wattrset(w, attr);
_owl_fmtext_wcolor_set(w, pair);
s += end;
}
}
/* Deal with remaining part of string. */
waddstr(w, s);
p[0] = tmp;
/* Deal with new attributes. Initialize to defaults, then
process all consecutive formatting characters. */
attr = f->default_attrs;
fg = f->default_fgcolor;
bg = f->default_bgcolor;
while (owl_fmtext_is_format_char(g_utf8_get_char(p))) {
_owl_fmtext_update_attributes(g_utf8_get_char(p), &attr, &fg, &bg);
p = g_utf8_next_char(p);
}
_owl_fmtext_wattrset(w, attr | f->default_attrs);
if (fg == OWL_COLOR_DEFAULT) fg = f->default_fgcolor;
if (bg == OWL_COLOR_DEFAULT) bg = f->default_bgcolor;
_owl_fmtext_update_colorpair(fg, bg, &pair);
_owl_fmtext_wcolor_set(w, pair);
/* Advance to next non-formatting character. */
s = p;
p = strchr(s, OWL_FMTEXT_UC_STARTBYTE_UTF8);
}
else {
p = strchr(p+1, OWL_FMTEXT_UC_STARTBYTE_UTF8);
}
}
if (s) {
waddstr(w, s);
}
wbkgdset(w, 0);
}
