struct syntax_node_t* read_node(char* data, esize_t size, esize_t* pos, esize_t* line, herror_t* perror)
{
struct syntax_node_t* root;
int i;
int n;
root = malloc(sizeof(*root));
root->childs = NULL;
root->name = NULL;
root->condition = NULL;
read_white(data, size, pos, line, perror);
perror = 0; /* ignore error here */
i = 0;
n = sizeof(node_str)/sizeof(node_str[0]);
while (i < n) {
if (compare_part(node_str[i], data, pos)) {
break;
}
i++;
}
if (i == n) {
if (compare_part(terminator, data, pos)) {
}
else {
perror = 1;
}
return root;
}
root->type = i;
if (node_flags[i] && HAS_NAME) {
/* read name */
}
if (node_flags[i] && HAS_CONDITION) {
/* read condition */
}
return root;
}
_nc_trim_sgr0(TERMTYPE *tp)
{
char *result = exit_attribute_mode;
T((T_CALLED("_nc_trim_sgr0()")));
if (PRESENT(exit_attribute_mode)
&& PRESENT(set_attributes)) {
bool found = FALSE;
char *on = set_attribute_9(tp, 1);
char *off = set_attribute_9(tp, 0);
char *end = strdup(exit_attribute_mode);
char *tmp;
size_t i, j, k;
TR(TRACE_DATABASE, ("checking if we can trim sgr0 based on sgr"));
TR(TRACE_DATABASE, ("sgr0 %s", _nc_visbuf(end)));
TR(TRACE_DATABASE, ("sgr(9:off) %s", _nc_visbuf(off)));
TR(TRACE_DATABASE, ("sgr(9:on) %s", _nc_visbuf(on)));
if (!rewrite_sgr(on, enter_alt_charset_mode)
|| !rewrite_sgr(off, exit_alt_charset_mode)
|| !rewrite_sgr(end, exit_alt_charset_mode)) {
FreeIfNeeded(off);
} else if (similar_sgr(off, end)
&& !similar_sgr(off, on)) {
TR(TRACE_DATABASE, ("adjusting sgr(9:off) : %s", _nc_visbuf(off)));
result = off;
/*
* If rmacs is a substring of sgr(0), remove that chunk.
*/
if (exit_alt_charset_mode != 0) {
TR(TRACE_DATABASE, ("scan for rmacs %s", _nc_visbuf(exit_alt_charset_mode)));
j = strlen(off);
k = strlen(exit_alt_charset_mode);
if (j > k) {
for (i = 0; i <= (j - k); ++i) {
unsigned k2 = compare_part(exit_alt_charset_mode,
off + i);
if (k2 != 0) {
found = TRUE;
chop_out(off, (unsigned) i, (unsigned) (i + k2));
break;
}
}
}
}
/*
* SGR 10 would reset to normal font.
*/
if (!found) {
if ((i = (size_t) is_csi(off)) != 0
&& off[strlen(off) - 1] == 'm') {
TR(TRACE_DATABASE, ("looking for SGR 10 in %s",
_nc_visbuf(off)));
tmp = skip_zero(off + i);
if (tmp[0] == '1'
&& skip_zero(tmp + 1) != tmp + 1) {
i = (size_t) (tmp - off);
if (off[i - 1] == ';')
i--;
j = (size_t) (skip_zero(tmp + 1) - off);
(void) chop_out(off, (unsigned) i, (unsigned) j);
found = TRUE;
}
}
}
if (!found
&& (tmp = strstr(end, off)) != 0
&& strcmp(end, off) != 0) {
i = (size_t) (tmp - end);
j = strlen(off);
tmp = strdup(end);
chop_out(tmp, (unsigned) i, (unsigned) j);
free(off);
result = tmp;
}
TR(TRACE_DATABASE, ("...adjusted sgr0 : %s", _nc_visbuf(result)));
if (!strcmp(result, exit_attribute_mode)) {
TR(TRACE_DATABASE, ("...same result, discard"));
free(result);
result = exit_attribute_mode;
}
} else {
/*
* Either the sgr does not reference alternate character set,
* or it is incorrect. That's too hard to decide right now.
*/
free(off);
}
FreeIfNeeded(end);
FreeIfNeeded(on);
} else {
/*
* Possibly some applications are confused if sgr0 contains rmacs,
* but that would be a different bug report -TD
*/
}
returnPtr(result);
}
