File:  [Qemu by Fabrice Bellard] / qemu / qdict.h
Revision 1.1.1.2 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 18:24:22 2018 UTC (14 months, 3 weeks ago) by root
Branches: qemu, MAIN
CVS tags: qemu1101, qemu1001, qemu1000, qemu0151, qemu0150, qemu0141, qemu0140, qemu0130, HEAD
qemu 0.13.0

/*
 * QDict Module
 *
 * Copyright (C) 2009 Red Hat Inc.
 *
 * Authors:
 *  Luiz Capitulino <lcapitulino@redhat.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.
 */

#ifndef QDICT_H
#define QDICT_H

#include "qobject.h"
#include "qlist.h"
#include "qemu-queue.h"
#include <stdint.h>

#define QDICT_BUCKET_MAX 512

typedef struct QDictEntry {
    char *key;
    QObject *value;
    QLIST_ENTRY(QDictEntry) next;
} QDictEntry;

typedef struct QDict {
    QObject_HEAD;
    size_t size;
    QLIST_HEAD(,QDictEntry) table[QDICT_BUCKET_MAX];
} QDict;

/* Object API */
QDict *qdict_new(void);
const char *qdict_entry_key(const QDictEntry *entry);
QObject *qdict_entry_value(const QDictEntry *entry);
size_t qdict_size(const QDict *qdict);
void qdict_put_obj(QDict *qdict, const char *key, QObject *value);
void qdict_del(QDict *qdict, const char *key);
int qdict_haskey(const QDict *qdict, const char *key);
QObject *qdict_get(const QDict *qdict, const char *key);
QDict *qobject_to_qdict(const QObject *obj);
void qdict_iter(const QDict *qdict,
                void (*iter)(const char *key, QObject *obj, void *opaque),
                void *opaque);
const QDictEntry *qdict_first(const QDict *qdict);
const QDictEntry *qdict_next(const QDict *qdict, const QDictEntry *entry);

/* Helper to qdict_put_obj(), accepts any object */
#define qdict_put(qdict, key, obj) \
        qdict_put_obj(qdict, key, QOBJECT(obj))

/* High level helpers */
double qdict_get_double(const QDict *qdict, const char *key);
int64_t qdict_get_int(const QDict *qdict, const char *key);
int qdict_get_bool(const QDict *qdict, const char *key);
QList *qdict_get_qlist(const QDict *qdict, const char *key);
QDict *qdict_get_qdict(const QDict *qdict, const char *key);
const char *qdict_get_str(const QDict *qdict, const char *key);
int64_t qdict_get_try_int(const QDict *qdict, const char *key,
                          int64_t def_value);
int qdict_get_try_bool(const QDict *qdict, const char *key, int def_value);
const char *qdict_get_try_str(const QDict *qdict, const char *key);

#endif /* QDICT_H */

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