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      1 /*
      2  * QDict Module
      3  *
      4  * Copyright (C) 2009 Red Hat Inc.
      5  *
      6  * Authors:
      7  *  Luiz Capitulino <lcapitulino (at) 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 "qobject.h"
     17 #include "qlist.h"
     18 #include "qemu-queue.h"
     19 #include <stdint.h>
     20 
     21 #define QDICT_BUCKET_MAX 512
     22 
     23 typedef struct QDictEntry {
     24     char *key;
     25     QObject *value;
     26     QLIST_ENTRY(QDictEntry) next;
     27 } QDictEntry;
     28 
     29 typedef struct QDict {
     30     QObject_HEAD;
     31     size_t size;
     32     QLIST_HEAD(,QDictEntry) table[QDICT_BUCKET_MAX];
     33 } QDict;
     34 
     35 /* Object API */
     36 QDict *qdict_new(void);
     37 const char *qdict_entry_key(const QDictEntry *entry);
     38 QObject *qdict_entry_value(const QDictEntry *entry);
     39 size_t qdict_size(const QDict *qdict);
     40 void qdict_put_obj(QDict *qdict, const char *key, QObject *value);
     41 void qdict_del(QDict *qdict, const char *key);
     42 int qdict_haskey(const QDict *qdict, const char *key);
     43 QObject *qdict_get(const QDict *qdict, const char *key);
     44 QDict *qobject_to_qdict(const QObject *obj);
     45 void qdict_iter(const QDict *qdict,
     46                 void (*iter)(const char *key, QObject *obj, void *opaque),
     47                 void *opaque);
     48 const QDictEntry *qdict_first(const QDict *qdict);
     49 const QDictEntry *qdict_next(const QDict *qdict, const QDictEntry *entry);
     50 
     51 /* Helper to qdict_put_obj(), accepts any object */
     52 #define qdict_put(qdict, key, obj) \
     53         qdict_put_obj(qdict, key, QOBJECT(obj))
     54 
     55 /* High level helpers */
     56 double qdict_get_double(const QDict *qdict, const char *key);
     57 int64_t qdict_get_int(const QDict *qdict, const char *key);
     58 int qdict_get_bool(const QDict *qdict, const char *key);
     59 QList *qdict_get_qlist(const QDict *qdict, const char *key);
     60 QDict *qdict_get_qdict(const QDict *qdict, const char *key);
     61 const char *qdict_get_str(const QDict *qdict, const char *key);
     62 int64_t qdict_get_try_int(const QDict *qdict, const char *key,
     63                           int64_t def_value);
     64 int qdict_get_try_bool(const QDict *qdict, const char *key, int def_value);
     65 const char *qdict_get_try_str(const QDict *qdict, const char *key);
     66 
     67 #endif /* QDICT_H */
     68