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Reflow check_head_for_cache_control

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This commit is contained in:
Miciah Dashiel Butler Masters 2007-09-04 12:13:20 +00:00 committed by Miciah Dashiel Butler Masters
parent 2a2aad15f9
commit a8f28f21c9
1 changed files with 59 additions and 58 deletions
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117
src/document/html/parser.c
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@ -365,67 +365,68 @@ static void
check_head_for_cache_control(struct html_context *html_context,
unsigned char *head)
{
if (!get_opt_bool("document.cache.ignore_cache_control", NULL)) {
unsigned char *d;
int no_cache = 0;
time_t expires = 0;
unsigned char *d;
int no_cache = 0;
time_t expires = 0;
/* XXX: Code duplication with HTTP protocol backend. */
/* I am not entirely sure in what order we should process these
* headers and if we should still process Cache-Control max-age
* if we already set max age to date mentioned in Expires.
* --jonas */
if ((d = parse_header(head, "Pragma", NULL))) {
if (strstr(d, "no-cache")) {
no_cache = 1;
}
mem_free(d);
if (get_opt_bool("document.cache.ignore_cache_control", NULL))
return;
/* XXX: Code duplication with HTTP protocol backend. */
/* I am not entirely sure in what order we should process these
* headers and if we should still process Cache-Control max-age
* if we already set max age to date mentioned in Expires.
* --jonas */
if ((d = parse_header(head, "Pragma", NULL))) {
if (strstr(d, "no-cache")) {
no_cache = 1;
}
if (!no_cache && (d = parse_header(head, "Cache-Control", NULL))) {
if (strstr(d, "no-cache") || strstr(d, "must-revalidate")) {
no_cache = 1;
} else {
unsigned char *pos = strstr(d, "max-age=");
assert(!no_cache);
if (pos) {
/* Grab the number of seconds. */
timeval_T max_age, seconds;
timeval_from_seconds(&seconds, atol(pos + 8));
timeval_now(&max_age);
timeval_add_interval(&max_age, &seconds);
expires = timeval_to_seconds(&max_age);
}
}
mem_free(d);
}
if (!no_cache && (d = parse_header(head, "Expires", NULL))) {
/* Convert date to seconds. */
if (strstr(d, "now")) {
timeval_T now;
timeval_now(&now);
expires = timeval_to_seconds(&now);
} else {
expires = parse_date(&d, NULL, 0, 1);
}
mem_free(d);
}
if (no_cache)
html_context->special_f(html_context, SP_CACHE_CONTROL);
else if (expires)
html_context->special_f(html_context,
SP_CACHE_EXPIRES, expires);
mem_free(d);
}
if (!no_cache && (d = parse_header(head, "Cache-Control", NULL))) {
if (strstr(d, "no-cache") || strstr(d, "must-revalidate")) {
no_cache = 1;
} else {
unsigned char *pos = strstr(d, "max-age=");
assert(!no_cache);
if (pos) {
/* Grab the number of seconds. */
timeval_T max_age, seconds;
timeval_from_seconds(&seconds, atol(pos + 8));
timeval_now(&max_age);
timeval_add_interval(&max_age, &seconds);
expires = timeval_to_seconds(&max_age);
}
}
mem_free(d);
}
if (!no_cache && (d = parse_header(head, "Expires", NULL))) {
/* Convert date to seconds. */
if (strstr(d, "now")) {
timeval_T now;
timeval_now(&now);
expires = timeval_to_seconds(&now);
} else {
expires = parse_date(&d, NULL, 0, 1);
}
mem_free(d);
}
if (no_cache)
html_context->special_f(html_context, SP_CACHE_CONTROL);
else if (expires)
html_context->special_f(html_context,
SP_CACHE_EXPIRES, expires);
}
void