qemu/qapi/qapi-visit-core.c

316 lines
7.9 KiB
C

/*
* Core Definitions for QAPI Visitor Classes
*
* Copyright IBM, Corp. 2011
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
* See the COPYING.LIB file in the top-level directory.
*
*/
#include "qemu-common.h"
#include "qapi/qmp/qerror.h"
#include "qapi/visitor.h"
#include "qapi/visitor-impl.h"
void visit_start_handle(Visitor *v, void **obj, const char *kind,
const char *name, Error **errp)
{
if (!error_is_set(errp) && v->start_handle) {
v->start_handle(v, obj, kind, name, errp);
}
}
void visit_end_handle(Visitor *v, Error **errp)
{
if (!error_is_set(errp) && v->end_handle) {
v->end_handle(v, errp);
}
}
void visit_start_struct(Visitor *v, void **obj, const char *kind,
const char *name, size_t size, Error **errp)
{
if (!error_is_set(errp)) {
v->start_struct(v, obj, kind, name, size, errp);
}
}
void visit_end_struct(Visitor *v, Error **errp)
{
assert(!error_is_set(errp));
v->end_struct(v, errp);
}
void visit_start_list(Visitor *v, const char *name, Error **errp)
{
if (!error_is_set(errp)) {
v->start_list(v, name, errp);
}
}
GenericList *visit_next_list(Visitor *v, GenericList **list, Error **errp)
{
if (!error_is_set(errp)) {
return v->next_list(v, list, errp);
}
return 0;
}
void visit_end_list(Visitor *v, Error **errp)
{
assert(!error_is_set(errp));
v->end_list(v, errp);
}
void visit_start_optional(Visitor *v, bool *present, const char *name,
Error **errp)
{
if (!error_is_set(errp) && v->start_optional) {
v->start_optional(v, present, name, errp);
}
}
void visit_end_optional(Visitor *v, Error **errp)
{
if (!error_is_set(errp) && v->end_optional) {
v->end_optional(v, errp);
}
}
void visit_type_enum(Visitor *v, int *obj, const char *strings[],
const char *kind, const char *name, Error **errp)
{
if (!error_is_set(errp)) {
v->type_enum(v, obj, strings, kind, name, errp);
}
}
void visit_type_int(Visitor *v, int64_t *obj, const char *name, Error **errp)
{
if (!error_is_set(errp)) {
v->type_int(v, obj, name, errp);
}
}
void visit_type_uint8(Visitor *v, uint8_t *obj, const char *name, Error **errp)
{
int64_t value;
if (!error_is_set(errp)) {
if (v->type_uint8) {
v->type_uint8(v, obj, name, errp);
} else {
value = *obj;
v->type_int(v, &value, name, errp);
if (value < 0 || value > UINT8_MAX) {
error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
"uint8_t");
return;
}
*obj = value;
}
}
}
void visit_type_uint16(Visitor *v, uint16_t *obj, const char *name, Error **errp)
{
int64_t value;
if (!error_is_set(errp)) {
if (v->type_uint16) {
v->type_uint16(v, obj, name, errp);
} else {
value = *obj;
v->type_int(v, &value, name, errp);
if (value < 0 || value > UINT16_MAX) {
error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
"uint16_t");
return;
}
*obj = value;
}
}
}
void visit_type_uint32(Visitor *v, uint32_t *obj, const char *name, Error **errp)
{
int64_t value;
if (!error_is_set(errp)) {
if (v->type_uint32) {
v->type_uint32(v, obj, name, errp);
} else {
value = *obj;
v->type_int(v, &value, name, errp);
if (value < 0 || value > UINT32_MAX) {
error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
"uint32_t");
return;
}
*obj = value;
}
}
}
void visit_type_uint64(Visitor *v, uint64_t *obj, const char *name, Error **errp)
{
int64_t value;
if (!error_is_set(errp)) {
if (v->type_uint64) {
v->type_uint64(v, obj, name, errp);
} else {
value = *obj;
v->type_int(v, &value, name, errp);
*obj = value;
}
}
}
void visit_type_int8(Visitor *v, int8_t *obj, const char *name, Error **errp)
{
int64_t value;
if (!error_is_set(errp)) {
if (v->type_int8) {
v->type_int8(v, obj, name, errp);
} else {
value = *obj;
v->type_int(v, &value, name, errp);
if (value < INT8_MIN || value > INT8_MAX) {
error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
"int8_t");
return;
}
*obj = value;
}
}
}
void visit_type_int16(Visitor *v, int16_t *obj, const char *name, Error **errp)
{
int64_t value;
if (!error_is_set(errp)) {
if (v->type_int16) {
v->type_int16(v, obj, name, errp);
} else {
value = *obj;
v->type_int(v, &value, name, errp);
if (value < INT16_MIN || value > INT16_MAX) {
error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
"int16_t");
return;
}
*obj = value;
}
}
}
void visit_type_int32(Visitor *v, int32_t *obj, const char *name, Error **errp)
{
int64_t value;
if (!error_is_set(errp)) {
if (v->type_int32) {
v->type_int32(v, obj, name, errp);
} else {
value = *obj;
v->type_int(v, &value, name, errp);
if (value < INT32_MIN || value > INT32_MAX) {
error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
"int32_t");
return;
}
*obj = value;
}
}
}
void visit_type_int64(Visitor *v, int64_t *obj, const char *name, Error **errp)
{
if (!error_is_set(errp)) {
if (v->type_int64) {
v->type_int64(v, obj, name, errp);
} else {
v->type_int(v, obj, name, errp);
}
}
}
void visit_type_size(Visitor *v, uint64_t *obj, const char *name, Error **errp)
{
if (!error_is_set(errp)) {
(v->type_size ? v->type_size : v->type_uint64)(v, obj, name, errp);
}
}
void visit_type_bool(Visitor *v, bool *obj, const char *name, Error **errp)
{
if (!error_is_set(errp)) {
v->type_bool(v, obj, name, errp);
}
}
void visit_type_str(Visitor *v, char **obj, const char *name, Error **errp)
{
if (!error_is_set(errp)) {
v->type_str(v, obj, name, errp);
}
}
void visit_type_number(Visitor *v, double *obj, const char *name, Error **errp)
{
if (!error_is_set(errp)) {
v->type_number(v, obj, name, errp);
}
}
void output_type_enum(Visitor *v, int *obj, const char *strings[],
const char *kind, const char *name,
Error **errp)
{
int i = 0;
int value = *obj;
char *enum_str;
assert(strings);
while (strings[i++] != NULL);
if (value < 0 || value >= i - 1) {
error_set(errp, QERR_INVALID_PARAMETER, name ? name : "null");
return;
}
enum_str = (char *)strings[value];
visit_type_str(v, &enum_str, name, errp);
}
void input_type_enum(Visitor *v, int *obj, const char *strings[],
const char *kind, const char *name,
Error **errp)
{
int64_t value = 0;
char *enum_str;
assert(strings);
visit_type_str(v, &enum_str, name, errp);
if (error_is_set(errp)) {
return;
}
while (strings[value] != NULL) {
if (strcmp(strings[value], enum_str) == 0) {
break;
}
value++;
}
if (strings[value] == NULL) {
error_set(errp, QERR_INVALID_PARAMETER, enum_str);
g_free(enum_str);
return;
}
g_free(enum_str);
*obj = value;
}