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      1 /*
      2  * Core Definitions for QAPI Visitor implementations
      3  *
      4  * Copyright (C) 2012 Red Hat, Inc.
      5  *
      6  * Author: Paolo Bonizni <pbonzini (at) redhat.com>
      7  *
      8  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
      9  * See the COPYING.LIB file in the top-level directory.
     10  *
     11  */
     12 #ifndef QAPI_VISITOR_IMPL_H
     13 #define QAPI_VISITOR_IMPL_H
     14 
     15 #include "qapi/error.h"
     16 #include "qapi/visitor.h"
     17 
     18 struct Visitor
     19 {
     20     /* Must be set */
     21     void (*start_struct)(Visitor *v, void **obj, const char *kind,
     22                          const char *name, size_t size, Error **errp);
     23     void (*end_struct)(Visitor *v, Error **errp);
     24 
     25     void (*start_implicit_struct)(Visitor *v, void **obj, size_t size,
     26                                   Error **errp);
     27     void (*end_implicit_struct)(Visitor *v, Error **errp);
     28 
     29     void (*start_list)(Visitor *v, const char *name, Error **errp);
     30     GenericList *(*next_list)(Visitor *v, GenericList **list, Error **errp);
     31     void (*end_list)(Visitor *v, Error **errp);
     32 
     33     void (*type_enum)(Visitor *v, int *obj, const char *strings[],
     34                       const char *kind, const char *name, Error **errp);
     35     void (*get_next_type)(Visitor *v, int *kind, const int *qobjects,
     36                           const char *name, Error **errp);
     37 
     38     void (*type_int)(Visitor *v, int64_t *obj, const char *name, Error **errp);
     39     void (*type_bool)(Visitor *v, bool *obj, const char *name, Error **errp);
     40     void (*type_str)(Visitor *v, char **obj, const char *name, Error **errp);
     41     void (*type_number)(Visitor *v, double *obj, const char *name,
     42                         Error **errp);
     43 
     44     /* May be NULL */
     45     void (*start_optional)(Visitor *v, bool *present, const char *name,
     46                            Error **errp);
     47     void (*end_optional)(Visitor *v, Error **errp);
     48 
     49     void (*start_handle)(Visitor *v, void **obj, const char *kind,
     50                          const char *name, Error **errp);
     51     void (*end_handle)(Visitor *v, Error **errp);
     52     void (*type_uint8)(Visitor *v, uint8_t *obj, const char *name, Error **errp);
     53     void (*type_uint16)(Visitor *v, uint16_t *obj, const char *name, Error **errp);
     54     void (*type_uint32)(Visitor *v, uint32_t *obj, const char *name, Error **errp);
     55     void (*type_uint64)(Visitor *v, uint64_t *obj, const char *name, Error **errp);
     56     void (*type_int8)(Visitor *v, int8_t *obj, const char *name, Error **errp);
     57     void (*type_int16)(Visitor *v, int16_t *obj, const char *name, Error **errp);
     58     void (*type_int32)(Visitor *v, int32_t *obj, const char *name, Error **errp);
     59     void (*type_int64)(Visitor *v, int64_t *obj, const char *name, Error **errp);
     60     /* visit_type_size() falls back to (*type_uint64)() if type_size is unset */
     61     void (*type_size)(Visitor *v, uint64_t *obj, const char *name, Error **errp);
     62 };
     63 
     64 void input_type_enum(Visitor *v, int *obj, const char *strings[],
     65                      const char *kind, const char *name, Error **errp);
     66 void output_type_enum(Visitor *v, int *obj, const char *strings[],
     67                       const char *kind, const char *name, Error **errp);
     68 
     69 #endif
     70