JSBool
js_json_encode(JSContext *cx, JSObject *obj,
uintN argc, jsval *argv, jsval *rval)
{
JSObject *o;
htsbuf_queue_t out;
char *r;
size_t len;
if(!JS_ConvertArguments(cx, argc, argv, "o", &o))
return JS_FALSE;
if(o == NULL) {
JS_ReportError(cx, "Not an object");
return JS_FALSE;
}
htsbuf_queue_init(&out, 0);
json_encode_from_object(cx, o, &out);
len = out.hq_size;
r = malloc(out.hq_size+1);
r[len] = 0;
htsbuf_read(&out, r, len);
*rval = STRING_TO_JSVAL(JS_NewString(cx, r, len));
return JS_TRUE;
}
static void
js_json_emit_jsval(JSContext *cx, jsval value, htsbuf_queue_t *out)
{
char buf[100];
if(JSVAL_IS_BOOLEAN(value)) {
if(JSVAL_TO_BOOLEAN(value))
htsbuf_append(out, "true", 4);
else
htsbuf_append(out, "false", 5);
} else if(JSVAL_IS_INT(value)) {
snprintf(buf, sizeof(buf), "%d", JSVAL_TO_INT(value));
htsbuf_append(out, buf, strlen(buf));
} else if(JSVAL_IS_DOUBLE(value)) {
double dbl;
if(JS_ValueToNumber(cx, value, &dbl) &&
!my_double2str(buf, sizeof(buf), dbl))
htsbuf_append(out, buf, strlen(buf));
else
htsbuf_append(out, "null", 4);
} else if(JSVAL_IS_NULL(value)) {
htsbuf_append(out, "null", 4);
} else if(JSVAL_IS_STRING(value)) {
js_json_emit_str(cx, value, out);
} else if(JSVAL_IS_OBJECT(value)) {
JSObject *obj = JSVAL_TO_OBJECT(value);
JSClass *c = JS_GetClass(cx, obj);
if(!strcmp(c->name, "XML")) // Treat some classes special
js_json_emit_str(cx, value, out);
else {
if(json_encode_from_object(cx, obj, out))
htsbuf_append(out, "null", 4);
}
}
}
JSBool
js_cache_put(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
char stash[256];
const char *key,*lstash;
char *value;
uint32_t len, maxage;
JSObject *o;
htsbuf_queue_t out;
js_plugin_t *jsp = JS_GetPrivate(cx, obj);
if (!JS_ConvertArguments(cx, argc, argv, "ssou",
&lstash, &key, &o, &maxage))
return JS_FALSE;
if (o == NULL) {
JS_ReportError(cx, "Not an object");
return JS_FALSE;
}
// json encode object
htsbuf_queue_init(&out, 0);
if (json_encode_from_object(cx, o, &out) != 0) {
JS_ReportError(cx, "Not an JSON object");
return JS_FALSE;
}
len = out.hq_size;
value = JS_malloc(cx,len + 1);
value[len] = '\0';
htsbuf_read(&out, value, len);
// put json encoded object onto cache
snprintf(stash, sizeof(stash), "plugin/%s/%s", jsp->jsp_id, lstash);
blobcache_put(key, stash, value, len, maxage, NULL, 0);
return JS_TRUE;
}
