diff options
Diffstat (limited to 'qobject')
-rw-r--r-- | qobject/qdict.c | 91 | ||||
-rw-r--r-- | qobject/qerror.c | 8 |
2 files changed, 85 insertions, 14 deletions
diff --git a/qobject/qdict.c b/qobject/qdict.c index 17e14f08b1..a3924f24bd 100644 --- a/qobject/qdict.c +++ b/qobject/qdict.c @@ -477,7 +477,43 @@ static void qdict_destroy_obj(QObject *obj) g_free(qdict); } -static void qdict_do_flatten(QDict *qdict, QDict *target, const char *prefix) +static void qdict_flatten_qdict(QDict *qdict, QDict *target, + const char *prefix); + +static void qdict_flatten_qlist(QList *qlist, QDict *target, const char *prefix) +{ + QObject *value; + const QListEntry *entry; + char *new_key; + int i; + + /* This function is never called with prefix == NULL, i.e., it is always + * called from within qdict_flatten_q(list|dict)(). Therefore, it does not + * need to remove list entries during the iteration (the whole list will be + * deleted eventually anyway from qdict_flatten_qdict()). */ + assert(prefix); + + entry = qlist_first(qlist); + + for (i = 0; entry; entry = qlist_next(entry), i++) { + value = qlist_entry_obj(entry); + new_key = g_strdup_printf("%s.%i", prefix, i); + + if (qobject_type(value) == QTYPE_QDICT) { + qdict_flatten_qdict(qobject_to_qdict(value), target, new_key); + } else if (qobject_type(value) == QTYPE_QLIST) { + qdict_flatten_qlist(qobject_to_qlist(value), target, new_key); + } else { + /* All other types are moved to the target unchanged. */ + qobject_incref(value); + qdict_put_obj(target, new_key, value); + } + + g_free(new_key); + } +} + +static void qdict_flatten_qdict(QDict *qdict, QDict *target, const char *prefix) { QObject *value; const QDictEntry *entry, *next; @@ -500,8 +536,12 @@ static void qdict_do_flatten(QDict *qdict, QDict *target, const char *prefix) if (qobject_type(value) == QTYPE_QDICT) { /* Entries of QDicts are processed recursively, the QDict object * itself disappears. */ - qdict_do_flatten(qobject_to_qdict(value), target, - new_key ? new_key : entry->key); + qdict_flatten_qdict(qobject_to_qdict(value), target, + new_key ? new_key : entry->key); + delete = true; + } else if (qobject_type(value) == QTYPE_QLIST) { + qdict_flatten_qlist(qobject_to_qlist(value), target, + new_key ? new_key : entry->key); delete = true; } else if (prefix) { /* All other objects are moved to the target unchanged. */ @@ -526,12 +566,14 @@ static void qdict_do_flatten(QDict *qdict, QDict *target, const char *prefix) /** * qdict_flatten(): For each nested QDict with key x, all fields with key y - * are moved to this QDict and their key is renamed to "x.y". This operation - * is applied recursively for nested QDicts. + * are moved to this QDict and their key is renamed to "x.y". For each nested + * QList with key x, the field at index y is moved to this QDict with the key + * "x.y" (i.e., the reverse of what qdict_array_split() does). + * This operation is applied recursively for nested QDicts and QLists. */ void qdict_flatten(QDict *qdict) { - qdict_do_flatten(qdict, qdict, NULL); + qdict_flatten_qdict(qdict, qdict, NULL); } /* extract all the src QDict entries starting by start into dst */ @@ -554,3 +596,40 @@ void qdict_extract_subqdict(QDict *src, QDict **dst, const char *start) entry = next; } } + +/** + * qdict_array_split(): This function moves array-like elements of a QDict into + * a new QList of QDicts. Every entry in the original QDict with a key prefixed + * "%u.", where %u designates an unsigned integer starting at 0 and + * incrementally counting up, will be moved to a new QDict at index %u in the + * output QList with the key prefix removed. The function terminates when there + * is no entry in the QDict with a prefix directly (incrementally) following the + * last one. + * Example: {"0.a": 42, "0.b": 23, "1.x": 0, "3.y": 1, "o.o": 7} + * (or {"1.x": 0, "3.y": 1, "0.a": 42, "o.o": 7, "0.b": 23}) + * => [{"a": 42, "b": 23}, {"x": 0}] + * and {"3.y": 1, "o.o": 7} (remainder of the old QDict) + */ +void qdict_array_split(QDict *src, QList **dst) +{ + unsigned i; + + *dst = qlist_new(); + + for (i = 0; i < UINT_MAX; i++) { + QDict *subqdict; + char prefix[32]; + size_t snprintf_ret; + + snprintf_ret = snprintf(prefix, 32, "%u.", i); + assert(snprintf_ret < 32); + + qdict_extract_subqdict(src, &subqdict, prefix); + if (!qdict_size(subqdict)) { + QDECREF(subqdict); + break; + } + + qlist_append_obj(*dst, QOBJECT(subqdict)); + } +} diff --git a/qobject/qerror.c b/qobject/qerror.c index fc8331aa67..e3608e2402 100644 --- a/qobject/qerror.c +++ b/qobject/qerror.c @@ -121,14 +121,6 @@ void qerror_report_err(Error *err) } } -void assert_no_error(Error *err) -{ - if (err) { - qerror_report_err(err); - abort(); - } -} - /** * qobject_to_qerror(): Convert a QObject into a QError */ |