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qobject: Eliminate qdict_iter(), use qdict_first(), qdict_next()

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qdict_iter() has just three uses and no test coverage.  Replace by
qdict_first(), qdict_next() for more concise code and less type
punning.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200415083048.14339-5-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Markus Armbruster 2020-04-15 10:30:47 +02:00
parent 2f2ec11179
commit 7b1cd1c65a
5 changed files with 40 additions and 67 deletions
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54
qobject/qjson.c
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@ -149,14 +149,6 @@ QDict *qdict_from_jsonf_nofail(const char *string, ...)
return qdict;
}
typedef struct ToJsonIterState
{
int indent;
int pretty;
int count;
QString *str;
} ToJsonIterState;
static void to_json(const QObject *obj, QString *str, int pretty, int indent);
static void json_pretty_newline(QString *str, bool pretty, int indent)
@ -171,26 +163,6 @@ static void json_pretty_newline(QString *str, bool pretty, int indent)
}
}
static void to_json_dict_iter(const char *key, QObject *obj, void *opaque)
{
ToJsonIterState *s = opaque;
QString *qkey;
if (s->count) {
qstring_append(s->str, s->pretty ? "," : ", ");
}
json_pretty_newline(s->str, s->pretty, s->indent);
qkey = qstring_from_str(key);
to_json(QOBJECT(qkey), s->str, s->pretty, s->indent);
qobject_unref(qkey);
qstring_append(s->str, ": ");
to_json(obj, s->str, s->pretty, s->indent);
s->count++;
}
static void to_json(const QObject *obj, QString *str, int pretty, int indent)
{
switch (qobject_type(obj)) {
@ -261,15 +233,29 @@ static void to_json(const QObject *obj, QString *str, int pretty, int indent)
break;
}
case QTYPE_QDICT: {
ToJsonIterState s;
QDict *val = qobject_to(QDict, obj);
const char *comma = pretty ? "," : ", ";
const char *sep = "";
const QDictEntry *entry;
QString *qkey;
s.count = 0;
s.str = str;
s.indent = indent + 1;
s.pretty = pretty;
qstring_append(str, "{");
qdict_iter(val, to_json_dict_iter, &s);
for (entry = qdict_first(val);
entry;
entry = qdict_next(val, entry)) {
qstring_append(str, sep);
json_pretty_newline(str, pretty, indent + 1);
qkey = qstring_from_str(qdict_entry_key(entry));
to_json(QOBJECT(qkey), str, pretty, indent + 1);
qobject_unref(qkey);
qstring_append(str, ": ");
to_json(qdict_entry_value(entry), str, pretty, indent + 1);
sep = comma;
}
json_pretty_newline(str, pretty, indent);
qstring_append(str, "}");
break;