include/qapi/qmp/qdict.h

   1 /*
   2  * QDict Module
   3  *
   4  * Copyright (C) 2009 Red Hat Inc.
   5  *
   6  * Authors:
   7  *  Luiz Capitulino <lcapitulino@redhat.com>
   8  *
   9  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
  10  * See the COPYING.LIB file in the top-level directory.
  11  */
  12
  13 #ifndef QDICT_H
  14 #define QDICT_H
  15
  16 #include "qapi/qmp/qobject.h"
  17 #include "qemu/queue.h"
  18
  19 #define QDICT_BUCKET_MAX 512
  20
  21 typedef struct QDictEntry {
  22     char *key;
  23     QObject *value;
  24     QLIST_ENTRY(QDictEntry) next;
  25 } QDictEntry;
  26
  27 struct QDict {
  28     struct QObjectBase_ base;
  29     size_t size;
  30     QLIST_HEAD(,QDictEntry) table[QDICT_BUCKET_MAX];
  31 };
  32
  33 /* Object API */
  34 QDict *qdict_new(void);
  35 const char *qdict_entry_key(const QDictEntry *entry);
  36 QObject *qdict_entry_value(const QDictEntry *entry);
  37 size_t qdict_size(const QDict *qdict);
  38 void qdict_put_obj(QDict *qdict, const char *key, QObject *value);
  39 void qdict_del(QDict *qdict, const char *key);
  40 int qdict_haskey(const QDict *qdict, const char *key);
  41 QObject *qdict_get(const QDict *qdict, const char *key);
  42 const QDictEntry *qdict_first(const QDict *qdict);
  43 const QDictEntry *qdict_next(const QDict *qdict, const QDictEntry *entry);
  44
  45 /* Helper to qdict_put_obj(), accepts any object */
  46 #define qdict_put(qdict, key, obj) \
  47         qdict_put_obj(qdict, key, QOBJECT(obj))
  48
  49 void qdict_put_bool(QDict *qdict, const char *key, bool value);
  50 void qdict_put_int(QDict *qdict, const char *key, int64_t value);
  51 void qdict_put_null(QDict *qdict, const char *key);
  52 void qdict_put_str(QDict *qdict, const char *key, const char *value);
  53
  54 double qdict_get_double(const QDict *qdict, const char *key);
  55 int64_t qdict_get_int(const QDict *qdict, const char *key);
  56 bool qdict_get_bool(const QDict *qdict, const char *key);
  57 QList *qdict_get_qlist(const QDict *qdict, const char *key);
  58 QDict *qdict_get_qdict(const QDict *qdict, const char *key);
  59 const char *qdict_get_str(const QDict *qdict, const char *key);
  60 int64_t qdict_get_try_int(const QDict *qdict, const char *key,
  61                           int64_t def_value);
  62 bool qdict_get_try_bool(const QDict *qdict, const char *key, bool def_value);
  63 const char *qdict_get_try_str(const QDict *qdict, const char *key);
  64
  65 QDict *qdict_clone_shallow(const QDict *src);
  66
  67 #endif /* QDICT_H */