static void vmsd_desc_field_start(const VMStateDescription *vmsd, QJSON *vmdesc,
const VMStateField *field, int i, int max)
{
char *name, *old_name;
bool is_array = max > 1;
bool can_compress = vmsd_can_compress(field);
if (!vmdesc) {
return;
}
name = g_strdup(field->name);
/* Field name is not unique, need to make it unique */
if (!vmfield_name_is_unique(vmsd->fields, field)) {
int num = vmfield_name_num(vmsd->fields, field);
old_name = name;
name = g_strdup_printf("%s[%d]", name, num);
g_free(old_name);
}
json_start_object(vmdesc, NULL);
json_prop_str(vmdesc, "name", name);
if (is_array) {
if (can_compress) {
json_prop_int(vmdesc, "array_len", max);
} else {
json_prop_int(vmdesc, "index", i);
}
}
json_prop_str(vmdesc, "type", vmfield_get_type_name(field));
if (field->flags & VMS_STRUCT) {
json_start_object(vmdesc, "struct");
}
g_free(name);
}
static int vmstate_subsection_save(QEMUFile *f, const VMStateDescription *vmsd,
void *opaque, QJSON *vmdesc)
{
const VMStateDescription **sub = vmsd->subsections;
bool subsection_found = false;
int ret = 0;
trace_vmstate_subsection_save_top(vmsd->name);
while (sub && *sub) {
if (vmstate_save_needed(*sub, opaque)) {
const VMStateDescription *vmsdsub = *sub;
uint8_t len;
trace_vmstate_subsection_save_loop(vmsd->name, vmsdsub->name);
if (vmdesc) {
/* Only create subsection array when we have any */
if (!subsection_found) {
json_start_array(vmdesc, "subsections");
subsection_found = true;
}
json_start_object(vmdesc, NULL);
}
qemu_put_byte(f, QEMU_VM_SUBSECTION);
len = strlen(vmsdsub->name);
qemu_put_byte(f, len);
qemu_put_buffer(f, (uint8_t *)vmsdsub->name, len);
qemu_put_be32(f, vmsdsub->version_id);
ret = vmstate_save_state(f, vmsdsub, opaque, vmdesc);
if (ret) {
return ret;
}
if (vmdesc) {
json_end_object(vmdesc);
}
}
sub++;
}
if (vmdesc && subsection_found) {
json_end_array(vmdesc);
}
return ret;
}
void json_test(int argc, char **argv)
{
int num;
int fmt;
char text[] =
"{\n \"precision\": \"zip\",\n \"Latitude\": 37668,\n \"Longitude\": -12259,\n \"Address\": \"\",\n \"City\": \"SAN FRANCISCO\",\n \"State\": \"CA\",\n \"Zip\": \"94107\",\n \"Country\": \"US\"\n }";
char complex_obj[] =
"{ \"glossary\": { \"title\": \"example glossary\", \"GlossDiv\": { \"title\": \"S\", \"GlossList\": { \"GlossEntry\": { \"ID\": \"SGML\", \"SortAs\": \"SGML\",\"GlossTerm\": \"Standard Generalized Markup Language\", \"Acronym\": \"SGML\", \"Abbrev\": \"ISO 8879:1986\", \"GlossDef\": { \"para\": \"language\", \"GlossSeeAlso\": \"XML\" }, \"GlossSee\": \"markup\" } } } } }";
debug("#### json_parser ####\n");
json_object_init(&tmp, text);
if (!json_get_val_str(&tmp, "Country", str, MAX_JSON_STR_LEN)) {
if (!strcmp(str, "US")) {
debug("***Json_parser ---str_get match\n");
} else {
debug("***Err ---str_get mismatch\n");
goto ERROR;
}
} else {
debug("***Err ---str_get failed\n");
goto ERROR;
}
if (!json_get_val_int(&tmp, "Longitude", &num)) {
if (num == -12259) {
debug("***Json_parser ---int_get match\n");
} else {
debug("***Err ---int_get mismatch\n");
goto ERROR;
}
} else {
debug("***Err ---int_get failed\n");
goto ERROR;
}
fmt = 1;
debug("***Json_parser ---Simple Set Example\n");
json_str_init(&jstr, tmpstr, sizeof(tmpstr), fmt);
json_start_object(&jstr);
json_set_val_str(&jstr, "name", "John Galt");
json_set_val_int(&jstr, "age", 29);
json_set_val_str(&jstr, "numberstr", "123");
json_close_object(&jstr);
debug("The JSON String is :%s:\n", jstr.buff);
debug("***Json_parser --- Complex object Set Example\n");
json_str_init(&jstr_c, tmpstr, sizeof(tmpstr), fmt);
json_start_object(&jstr_c);
json_push_object(&jstr_c, "menu");
json_set_val_str(&jstr_c, "pictures", "tmp");
json_push_object(&jstr_c, "Image");
json_set_val_str(&jstr_c, "name", "sun");
json_set_val_int(&jstr_c, "length", 1000);
json_set_val_str(&jstr_c, "size", "1600pi");
json_pop_object(&jstr_c); /* Close Image */
json_push_object(&jstr_c, "text");
json_set_val_str(&jstr_c, "style", "bold");
json_set_val_str(&jstr_c, "alignment", "center");
json_set_val_str(&jstr_c, "name", "text1");
json_pop_object(&jstr_c); /* Close text */
json_set_val_str(&jstr_c, "object", "close");
json_pop_object(&jstr_c); /* Close menu */
json_close_object(&jstr_c); /* Close main */
debug("The JSON String is *%s*\n", jstr_c.buff);
struct json_object obj;
json_object_init(&obj, jstr_c.buff);
if (!json_get_composite_object(&obj, "text")) {
if (!json_get_val_int(&obj, "length", &num))
debug("val is %d \n", num);
else
debug("***Json_parser ---passed, no such member\n");
if (!json_get_val_str(&obj, "style", str, MAX_JSON_STR_LEN)) {
if (!strcmp(str, "bold")) {
debug
("***Json_parser ---composite_str_get match\n");
debug("member->style:val->%s\n", str);
} else {
debug("***Err ---composite_str_get mismatch\n");
goto ERROR;
}
} else {
debug("***Err ---composite_str_get failed\n");
goto ERROR;
}
} else {
debug("***Err ---get_object_offsets failed\n");
goto ERROR;
}
json_release_composite_object(&obj);
json_object_init(&obj, complex_obj);
if (!json_get_composite_object(&obj, "GlossEntry")) {
if (!json_get_val_str(&obj, "GlossSee", str, 64)) {
if (!strcmp(str, "markup")) {
debug
("***Json_parser ---composite_str_get match\n");
debug("member->GlossEntry:val->%s\n", str);
} else {
debug("***Err ---composite_str_get mismatch\n");
goto ERROR;
}
} else {
debug("***Err ---composite_str_get failed\n");
goto ERROR;
}
} else {
debug("***Err ---get_object_offsets failed\n");
goto ERROR;
}
json_release_composite_object(&obj);
goto SUCCESS;
ERROR:
wmprintf("Error");
SUCCESS:
wmprintf("Success");
}
