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 "qapi/qmp/qlist.h" 18 #include "qemu/queue.h" 19 #include <stdbool.h> 20 #include <stdint.h> 21 22 #define QDICT_BUCKET_MAX 512 23 24 typedef struct QDictEntry { 25 char *key; 26 QObject *value; 27 QLIST_ENTRY(QDictEntry) next; 28 } QDictEntry; 29 30 typedef struct QDict { 31 QObject_HEAD; 32 size_t size; 33 QLIST_HEAD(,QDictEntry) table[QDICT_BUCKET_MAX]; 34 } QDict; 35 36 /* Object API */ 37 QDict *qdict_new(void); 38 const char *qdict_entry_key(const QDictEntry *entry); 39 QObject *qdict_entry_value(const QDictEntry *entry); 40 size_t qdict_size(const QDict *qdict); 41 void qdict_put_obj(QDict *qdict, const char *key, QObject *value); 42 void qdict_del(QDict *qdict, const char *key); 43 int qdict_haskey(const QDict *qdict, const char *key); 44 QObject *qdict_get(const QDict *qdict, const char *key); 45 QDict *qobject_to_qdict(const QObject *obj); 46 void qdict_iter(const QDict *qdict, 47 void (*iter)(const char *key, QObject *obj, void *opaque), 48 void *opaque); 49 const QDictEntry *qdict_first(const QDict *qdict); 50 const QDictEntry *qdict_next(const QDict *qdict, const QDictEntry *entry); 51 52 /* Helper to qdict_put_obj(), accepts any object */ 53 #define qdict_put(qdict, key, obj) \ 54 qdict_put_obj(qdict, key, QOBJECT(obj)) 55 56 /* High level helpers */ 57 double qdict_get_double(const QDict *qdict, const char *key); 58 int64_t qdict_get_int(const QDict *qdict, const char *key); 59 bool qdict_get_bool(const QDict *qdict, const char *key); 60 QList *qdict_get_qlist(const QDict *qdict, const char *key); 61 QDict *qdict_get_qdict(const QDict *qdict, const char *key); 62 const char *qdict_get_str(const QDict *qdict, const char *key); 63 int64_t qdict_get_try_int(const QDict *qdict, const char *key, 64 int64_t def_value); 65 bool qdict_get_try_bool(const QDict *qdict, const char *key, bool def_value); 66 const char *qdict_get_try_str(const QDict *qdict, const char *key); 67 68 void qdict_copy_default(QDict *dst, QDict *src, const char *key); 69 void qdict_set_default_str(QDict *dst, const char *key, const char *val); 70 71 QDict *qdict_clone_shallow(const QDict *src); 72 void qdict_flatten(QDict *qdict); 73 74 void qdict_extract_subqdict(QDict *src, QDict **dst, const char *start); 75 void qdict_array_split(QDict *src, QList **dst); 76 int qdict_array_entries(QDict *src, const char *subqdict); 77 78 void qdict_join(QDict *dest, QDict *src, bool overwrite); 79 80 #endif /* QDICT_H */ 81