| /* |
| * Core Definitions for QAPI Visitor Classes |
| * |
| * Copyright (C) 2012-2016 Red Hat, Inc. |
| * 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/osdep.h" |
| #include "qemu-common.h" |
| #include "qapi/qmp/qobject.h" |
| #include "qapi/qmp/qerror.h" |
| #include "qapi/visitor.h" |
| #include "qapi/visitor-impl.h" |
| |
| void visit_start_struct(Visitor *v, const char *name, void **obj, |
| size_t size, Error **errp) |
| { |
| v->start_struct(v, name, obj, size, errp); |
| } |
| |
| void visit_end_struct(Visitor *v, Error **errp) |
| { |
| v->end_struct(v, errp); |
| } |
| |
| void visit_start_list(Visitor *v, const char *name, Error **errp) |
| { |
| v->start_list(v, name, errp); |
| } |
| |
| GenericList *visit_next_list(Visitor *v, GenericList **list, size_t size) |
| { |
| assert(list && size >= sizeof(GenericList)); |
| return v->next_list(v, list, size); |
| } |
| |
| void visit_end_list(Visitor *v) |
| { |
| v->end_list(v); |
| } |
| |
| void visit_start_alternate(Visitor *v, const char *name, |
| GenericAlternate **obj, size_t size, |
| bool promote_int, Error **errp) |
| { |
| assert(obj && size >= sizeof(GenericAlternate)); |
| if (v->start_alternate) { |
| v->start_alternate(v, name, obj, size, promote_int, errp); |
| } |
| } |
| |
| void visit_end_alternate(Visitor *v) |
| { |
| if (v->end_alternate) { |
| v->end_alternate(v); |
| } |
| } |
| |
| bool visit_optional(Visitor *v, const char *name, bool *present) |
| { |
| if (v->optional) { |
| v->optional(v, name, present); |
| } |
| return *present; |
| } |
| |
| void visit_type_enum(Visitor *v, const char *name, int *obj, |
| const char *const strings[], Error **errp) |
| { |
| v->type_enum(v, name, obj, strings, errp); |
| } |
| |
| void visit_type_int(Visitor *v, const char *name, int64_t *obj, Error **errp) |
| { |
| v->type_int64(v, name, obj, errp); |
| } |
| |
| static void visit_type_uintN(Visitor *v, uint64_t *obj, const char *name, |
| uint64_t max, const char *type, Error **errp) |
| { |
| Error *err = NULL; |
| uint64_t value = *obj; |
| |
| v->type_uint64(v, name, &value, &err); |
| if (err) { |
| error_propagate(errp, err); |
| } else if (value > max) { |
| error_setg(errp, QERR_INVALID_PARAMETER_VALUE, |
| name ? name : "null", type); |
| } else { |
| *obj = value; |
| } |
| } |
| |
| void visit_type_uint8(Visitor *v, const char *name, uint8_t *obj, |
| Error **errp) |
| { |
| uint64_t value = *obj; |
| visit_type_uintN(v, &value, name, UINT8_MAX, "uint8_t", errp); |
| *obj = value; |
| } |
| |
| void visit_type_uint16(Visitor *v, const char *name, uint16_t *obj, |
| Error **errp) |
| { |
| uint64_t value = *obj; |
| visit_type_uintN(v, &value, name, UINT16_MAX, "uint16_t", errp); |
| *obj = value; |
| } |
| |
| void visit_type_uint32(Visitor *v, const char *name, uint32_t *obj, |
| Error **errp) |
| { |
| uint64_t value = *obj; |
| visit_type_uintN(v, &value, name, UINT32_MAX, "uint32_t", errp); |
| *obj = value; |
| } |
| |
| void visit_type_uint64(Visitor *v, const char *name, uint64_t *obj, |
| Error **errp) |
| { |
| v->type_uint64(v, name, obj, errp); |
| } |
| |
| static void visit_type_intN(Visitor *v, int64_t *obj, const char *name, |
| int64_t min, int64_t max, const char *type, |
| Error **errp) |
| { |
| Error *err = NULL; |
| int64_t value = *obj; |
| |
| v->type_int64(v, name, &value, &err); |
| if (err) { |
| error_propagate(errp, err); |
| } else if (value < min || value > max) { |
| error_setg(errp, QERR_INVALID_PARAMETER_VALUE, |
| name ? name : "null", type); |
| } else { |
| *obj = value; |
| } |
| } |
| |
| void visit_type_int8(Visitor *v, const char *name, int8_t *obj, Error **errp) |
| { |
| int64_t value = *obj; |
| visit_type_intN(v, &value, name, INT8_MIN, INT8_MAX, "int8_t", errp); |
| *obj = value; |
| } |
| |
| void visit_type_int16(Visitor *v, const char *name, int16_t *obj, |
| Error **errp) |
| { |
| int64_t value = *obj; |
| visit_type_intN(v, &value, name, INT16_MIN, INT16_MAX, "int16_t", errp); |
| *obj = value; |
| } |
| |
| void visit_type_int32(Visitor *v, const char *name, int32_t *obj, |
| Error **errp) |
| { |
| int64_t value = *obj; |
| visit_type_intN(v, &value, name, INT32_MIN, INT32_MAX, "int32_t", errp); |
| *obj = value; |
| } |
| |
| void visit_type_int64(Visitor *v, const char *name, int64_t *obj, |
| Error **errp) |
| { |
| v->type_int64(v, name, obj, errp); |
| } |
| |
| void visit_type_size(Visitor *v, const char *name, uint64_t *obj, |
| Error **errp) |
| { |
| if (v->type_size) { |
| v->type_size(v, name, obj, errp); |
| } else { |
| v->type_uint64(v, name, obj, errp); |
| } |
| } |
| |
| void visit_type_bool(Visitor *v, const char *name, bool *obj, Error **errp) |
| { |
| v->type_bool(v, name, obj, errp); |
| } |
| |
| void visit_type_str(Visitor *v, const char *name, char **obj, Error **errp) |
| { |
| v->type_str(v, name, obj, errp); |
| } |
| |
| void visit_type_number(Visitor *v, const char *name, double *obj, |
| Error **errp) |
| { |
| v->type_number(v, name, obj, errp); |
| } |
| |
| void visit_type_any(Visitor *v, const char *name, QObject **obj, Error **errp) |
| { |
| v->type_any(v, name, obj, errp); |
| } |
| |
| void output_type_enum(Visitor *v, const char *name, int *obj, |
| const char *const strings[], Error **errp) |
| { |
| int i = 0; |
| int value = *obj; |
| char *enum_str; |
| |
| assert(strings); |
| while (strings[i++] != NULL); |
| if (value < 0 || value >= i - 1) { |
| error_setg(errp, QERR_INVALID_PARAMETER, name ? name : "null"); |
| return; |
| } |
| |
| enum_str = (char *)strings[value]; |
| visit_type_str(v, name, &enum_str, errp); |
| } |
| |
| void input_type_enum(Visitor *v, const char *name, int *obj, |
| const char *const strings[], Error **errp) |
| { |
| Error *local_err = NULL; |
| int64_t value = 0; |
| char *enum_str; |
| |
| assert(strings); |
| |
| visit_type_str(v, name, &enum_str, &local_err); |
| if (local_err) { |
| error_propagate(errp, local_err); |
| return; |
| } |
| |
| while (strings[value] != NULL) { |
| if (strcmp(strings[value], enum_str) == 0) { |
| break; |
| } |
| value++; |
| } |
| |
| if (strings[value] == NULL) { |
| error_setg(errp, QERR_INVALID_PARAMETER, enum_str); |
| g_free(enum_str); |
| return; |
| } |
| |
| g_free(enum_str); |
| *obj = value; |
| } |