json: assume WITH_YAJL2

Now that we require YAJL2, drop the code dealing with YAJL 1.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Ján Tomko 2019-04-02 23:57:04 +02:00
parent 105756660f
commit 66460e32e6

View File

@ -34,16 +34,8 @@
# include <yajl/yajl_gen.h>
# include <yajl/yajl_parse.h>
# ifdef WITH_YAJL2
# define yajl_size_t size_t
# define VIR_YAJL_STATUS_OK(status) ((status) == yajl_status_ok)
# else
# define yajl_size_t unsigned int
# define yajl_complete_parse yajl_parse_complete
# define VIR_YAJL_STATUS_OK(status) \
((status) == yajl_status_ok || (status) == yajl_status_insufficient_data)
# endif
# define yajl_size_t size_t
# define VIR_YAJL_STATUS_OK(status) ((status) == yajl_status_ok)
#endif
/* XXX fixme */
@ -1820,41 +1812,18 @@ virJSONValueFromString(const char *jsonstring)
virJSONValuePtr ret = NULL;
int rc;
size_t len = strlen(jsonstring);
# ifndef WITH_YAJL2
yajl_parser_config cfg = { 0, 1 }; /* Match yajl 2 default behavior */
VIR_AUTOPTR(virJSONValue) tmp = NULL;
# endif
VIR_DEBUG("string=%s", jsonstring);
# ifdef WITH_YAJL2
hand = yajl_alloc(&parserCallbacks, NULL, &parser);
# else
hand = yajl_alloc(&parserCallbacks, &cfg, NULL, &parser);
# endif
if (!hand) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Unable to create JSON parser"));
goto cleanup;
}
/* Yajl 2 is nice enough to default to rejecting trailing garbage.
* Yajl 1.0.12 has yajl_get_bytes_consumed to make that detection
* simpler. But we're stuck with yajl 1.0.7 on RHEL 6, which
* happily quits parsing at the end of a valid JSON construct,
* with no visibility into how much more input remains. Wrapping
* things in an array forces yajl to confess the truth. */
# ifdef WITH_YAJL2
/* Yajl 2 is nice enough to default to rejecting trailing garbage. */
rc = yajl_parse(hand, (const unsigned char *)jsonstring, len);
# else
rc = yajl_parse(hand, (const unsigned char *)"[", 1);
parser.wrap = 1;
if (VIR_YAJL_STATUS_OK(rc))
rc = yajl_parse(hand, (const unsigned char *)jsonstring, len);
parser.wrap = 0;
if (VIR_YAJL_STATUS_OK(rc))
rc = yajl_parse(hand, (const unsigned char *)"]", 1);
# endif
if (!VIR_YAJL_STATUS_OK(rc) ||
yajl_complete_parse(hand) != yajl_status_ok) {
unsigned char *errstr = yajl_get_error(hand, 1,
@ -1876,17 +1845,6 @@ virJSONValueFromString(const char *jsonstring)
virJSONValueFree(parser.head);
} else {
ret = parser.head;
# ifndef WITH_YAJL2
/* Undo the array wrapping above */
tmp = ret;
ret = NULL;
if (virJSONValueArraySize(tmp) > 1)
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse json %s: too many items present"),
jsonstring);
else
ret = virJSONValueArraySteal(tmp, 0);
# endif
}
cleanup:
@ -1978,23 +1936,16 @@ virJSONValueToBuffer(virJSONValuePtr object,
yajl_gen g;
const unsigned char *str;
yajl_size_t len;
# ifndef WITH_YAJL2
yajl_gen_config conf = { pretty ? 1 : 0, pretty ? " " : " "};
# endif
int ret = -1;
VIR_DEBUG("object=%p", object);
# ifdef WITH_YAJL2
g = yajl_gen_alloc(NULL);
if (g) {
yajl_gen_config(g, yajl_gen_beautify, pretty ? 1 : 0);
yajl_gen_config(g, yajl_gen_indent_string, pretty ? " " : " ");
yajl_gen_config(g, yajl_gen_validate_utf8, 1);
}
# else
g = yajl_gen_alloc(&conf, NULL);
# endif
if (!g) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Unable to create JSON formatter"));