char *
virQEMUBuildObjectCommandlineFromJSON(const char *type,
const char *alias,
virJSONValuePtr props)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
char *ret = NULL;
virBufferAsprintf(&buf, "%s,id=%s", type, alias);
if (virJSONValueObjectForeachKeyValue(props,
virQEMUBuildObjectCommandLineProps,
&buf) < 0)
goto cleanup;
if (virBufferCheckError(&buf) < 0)
goto cleanup;
ret = virBufferContentAndReset(&buf);
cleanup:
virBufferFreeAndReset(&buf);
return ret;
}
static int
virQEMUBuildCommandLineJSONRecurse(const char *key,
virJSONValuePtr value,
virBufferPtr buf,
virQEMUBuildCommandLineJSONArrayFormatFunc arrayFunc,
bool nested)
{
struct virQEMUCommandLineJSONIteratorData data = { key, buf, arrayFunc };
virJSONValuePtr elem;
size_t i;
if (!key && value->type != VIR_JSON_TYPE_OBJECT) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("only JSON objects can be top level"));
return -1;
}
switch ((virJSONType) value->type) {
case VIR_JSON_TYPE_STRING:
virBufferAsprintf(buf, "%s=", key);
virQEMUBuildBufferEscapeComma(buf, value->data.string);
virBufferAddLit(buf, ",");
break;
case VIR_JSON_TYPE_NUMBER:
virBufferAsprintf(buf, "%s=%s,", key, value->data.number);
break;
case VIR_JSON_TYPE_BOOLEAN:
if (value->data.boolean)
virBufferAsprintf(buf, "%s=yes,", key);
else
virBufferAsprintf(buf, "%s=no,", key);
break;
case VIR_JSON_TYPE_ARRAY:
if (nested) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("nested JSON array to commandline conversion is "
"not supported"));
return -1;
}
if (!arrayFunc || arrayFunc(key, value, buf) < 0) {
/* fallback, treat the array as a non-bitmap, adding the key
* for each member */
for (i = 0; i < virJSONValueArraySize(value); i++) {
elem = virJSONValueArrayGet((virJSONValuePtr)value, i);
/* recurse to avoid duplicating code */
if (virQEMUBuildCommandLineJSONRecurse(key, elem, buf,
arrayFunc, true) < 0)
return -1;
}
}
break;
case VIR_JSON_TYPE_OBJECT:
if (virJSONValueObjectForeachKeyValue(value,
virQEMUBuildCommandLineJSONIterate,
&data) < 0)
return -1;
break;
case VIR_JSON_TYPE_NULL:
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("NULL JSON type can't be converted to commandline"));
return -1;
}
return 0;
}
