static size_t json_string_format(struct n_buf *nb, const char *s, void *data)
{
static char esc[] = {
['\0'] = '0',
['\a'] = 'a',
['\b'] = 'b',
['\t'] = 't',
['\n'] = 'n',
['\v'] = 'v',
['\f'] = 'f',
['\r'] = 'r',
['\"'] = '\"',
['\\'] = '\\',
};
/* This is probably broken for UNICODE. */
size_t len = 0;
len += n_buf_putc(nb, '\"');
for (; *s != 0; s++) {
int c = *(const unsigned char *) s;
if (!isascii(c)) {
len += n_buf_printf(nb, "\\u%04x", (unsigned int) c);
} else if (c < sizeof(esc) && esc[c] != 0) {
len += n_buf_putc(nb, '\\');
len += n_buf_putc(nb, esc[c]);
} else {
len += n_buf_putc(nb, c);
}
}
len += n_buf_putc(nb, '\"');
return len;
}
static size_t json_format_r(struct n_buf *nb, struct json **j,
void *data, int in_object, int in_array)
{
size_t len = 0;
int i;
for (i = 0; (*j)->j_type != J_end_V; (*j)++) {
if (i > 0) {
if (in_array)
len += n_buf_putc(nb, ',');
else if (in_object)
len += n_buf_putc(nb, i % 2 ? ':' : ',');
else
break;
}
switch ((*j)->j_type) {
case J_init_V:
((*j)->j_u.u_init_V)();
break;
case J_array_V:
(*j)++;
len += n_buf_putc(nb, '[');
len += json_format_r(nb, j, data, 0, 1);
len += n_buf_putc(nb, ']');
break;
case J_object_V:
(*j)++;
len += n_buf_putc(nb, '{');
len += json_format_r(nb, j, data, 1, 0);
len += n_buf_putc(nb, '}');
break;
default:
len += json_format_1(nb, *j, data);
break;
}
i += ((*j)->j_type != J_init_V);
}
return len;
}
tn_buf *pkguinf_store(const struct pkguinf *pkgu, tn_buf *nbuf,
const char *lang)
{
struct pkguinf_i18n *inf;
struct member {
char tag;
char *value;
} members[] = {
{ PKGUINF_LICENSE, pkgu->license },
{ PKGUINF_URL, pkgu->url },
{ PKGUINF_VENDOR, pkgu->vendor },
{ PKGUINF_BUILDHOST, pkgu->buildhost },
{ PKGUINF_DISTRO, pkgu->distro },
{ PKGUINF_CHANGELOG, pkgu->changelog },
{ 0, NULL }
};
n_assert(lang);
if (n_str_eq(lang, "C")) {
/* skip entries older than year */
time_t since = time(NULL) - 3600 * 24 * 356;
int i = 0;
while (members[i].tag) {
struct member m = members[i++];
const char *value = m.value;
if (m.tag == PKGUINF_CHANGELOG) {
if (pkgu->changelog && strlen(pkgu->changelog) > 512)
value = pkguinf_get_changelog((struct pkguinf*)pkgu, since);
}
if (value == NULL)
continue;
n_buf_putc(nbuf, m.tag);
n_buf_putc(nbuf, '\0');
n_buf_puts(nbuf, value);
n_buf_putc(nbuf, '\0');
}
n_buf_putc(nbuf, PKGUINF_TAG_ENDCMN);
n_buf_putc(nbuf, '\0');
}
if ((inf = n_hash_get(pkgu->_ht, lang))) {
n_buf_putc(nbuf, PKGUINF_SUMMARY);
n_buf_putc(nbuf, '\0');
n_buf_puts(nbuf, inf->summary);
n_buf_putc(nbuf, '\0');
n_buf_putc(nbuf, PKGUINF_DESCRIPTION);
n_buf_putc(nbuf, '\0');
n_buf_puts(nbuf, inf->description);
n_buf_putc(nbuf, '\0');
}
return nbuf;
}
