From 1cd7741ef18e4333b17d64aaed3cd48e3e182a57 Mon Sep 17 00:00:00 2001 From: Markus Armbruster Date: Wed, 15 Apr 2020 10:30:45 +0200 Subject: qobject: Factor out helper json_pretty_newline() Signed-off-by: Markus Armbruster Message-Id: <20200415083048.14339-3-armbru@redhat.com> Reviewed-by: Eric Blake [Coding style in moved code tidied up] --- qobject/qjson.c | 40 ++++++++++++++++------------------------ 1 file changed, 16 insertions(+), 24 deletions(-) (limited to 'qobject/qjson.c') diff --git a/qobject/qjson.c b/qobject/qjson.c index db36101f3b..87422f600d 100644 --- a/qobject/qjson.c +++ b/qobject/qjson.c @@ -159,21 +159,28 @@ typedef struct 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) +{ + int i; + + if (pretty) { + qstring_append(str, "\n"); + for (i = 0; i < indent; i++) { + qstring_append(str, " "); + } + } +} + static void to_json_dict_iter(const char *key, QObject *obj, void *opaque) { ToJsonIterState *s = opaque; QString *qkey; - int j; if (s->count) { qstring_append(s->str, s->pretty ? "," : ", "); } - if (s->pretty) { - qstring_append(s->str, "\n"); - for (j = 0 ; j < s->indent ; j++) - qstring_append(s->str, " "); - } + json_pretty_newline(s->str, s->pretty, s->indent); qkey = qstring_from_str(key); to_json(QOBJECT(qkey), s->str, s->pretty, s->indent); @@ -187,17 +194,12 @@ static void to_json_dict_iter(const char *key, QObject *obj, void *opaque) static void to_json_list_iter(QObject *obj, void *opaque) { ToJsonIterState *s = opaque; - int j; if (s->count) { qstring_append(s->str, s->pretty ? "," : ", "); } - if (s->pretty) { - qstring_append(s->str, "\n"); - for (j = 0 ; j < s->indent ; j++) - qstring_append(s->str, " "); - } + json_pretty_newline(s->str, s->pretty, s->indent); to_json(obj, s->str, s->pretty, s->indent); s->count++; @@ -282,12 +284,7 @@ static void to_json(const QObject *obj, QString *str, int pretty, int indent) s.pretty = pretty; qstring_append(str, "{"); qdict_iter(val, to_json_dict_iter, &s); - if (pretty) { - int j; - qstring_append(str, "\n"); - for (j = 0 ; j < indent ; j++) - qstring_append(str, " "); - } + json_pretty_newline(str, pretty, indent); qstring_append(str, "}"); break; } @@ -301,12 +298,7 @@ static void to_json(const QObject *obj, QString *str, int pretty, int indent) s.pretty = pretty; qstring_append(str, "["); qlist_iter(val, (void *)to_json_list_iter, &s); - if (pretty) { - int j; - qstring_append(str, "\n"); - for (j = 0 ; j < indent ; j++) - qstring_append(str, " "); - } + json_pretty_newline(str, pretty, indent); qstring_append(str, "]"); break; } -- cgit 1.4.1 From 2f2ec111795119b2e020bc0cbf4b5f42878574b2 Mon Sep 17 00:00:00 2001 From: Markus Armbruster Date: Wed, 15 Apr 2020 10:30:46 +0200 Subject: qobject: Eliminate qlist_iter(), use QLIST_FOREACH_ENTRY() instead qlist_iter() has just three uses outside tests/. Replace by QLIST_FOREACH_ENTRY() for more concise code and less type punning. Signed-off-by: Markus Armbruster Message-Id: <20200415083048.14339-4-armbru@redhat.com> Reviewed-by: Eric Blake --- include/qapi/qmp/qlist.h | 2 -- qobject/qjson.c | 31 +++++++++++-------------------- qobject/qlist.c | 44 ++++++++++++-------------------------------- tests/check-qlist.c | 37 ++++++++++++++----------------------- 4 files changed, 37 insertions(+), 77 deletions(-) (limited to 'qobject/qjson.c') diff --git a/include/qapi/qmp/qlist.h b/include/qapi/qmp/qlist.h index 07ecae81e4..595b7943e1 100644 --- a/include/qapi/qmp/qlist.h +++ b/include/qapi/qmp/qlist.h @@ -47,8 +47,6 @@ static inline QObject *qlist_entry_obj(const QListEntry *entry) QList *qlist_new(void); QList *qlist_copy(QList *src); void qlist_append_obj(QList *qlist, QObject *obj); -void qlist_iter(const QList *qlist, - void (*iter)(QObject *obj, void *opaque), void *opaque); QObject *qlist_pop(QList *qlist); QObject *qlist_peek(QList *qlist); int qlist_empty(const QList *qlist); diff --git a/qobject/qjson.c b/qobject/qjson.c index 87422f600d..f0eebc5fda 100644 --- a/qobject/qjson.c +++ b/qobject/qjson.c @@ -191,20 +191,6 @@ static void to_json_dict_iter(const char *key, QObject *obj, void *opaque) s->count++; } -static void to_json_list_iter(QObject *obj, void *opaque) -{ - ToJsonIterState *s = opaque; - - if (s->count) { - qstring_append(s->str, s->pretty ? "," : ", "); - } - - json_pretty_newline(s->str, s->pretty, s->indent); - - 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)) { @@ -289,15 +275,20 @@ static void to_json(const QObject *obj, QString *str, int pretty, int indent) break; } case QTYPE_QLIST: { - ToJsonIterState s; QList *val = qobject_to(QList, obj); + const char *comma = pretty ? "," : ", "; + const char *sep = ""; + QListEntry *entry; - s.count = 0; - s.str = str; - s.indent = indent + 1; - s.pretty = pretty; qstring_append(str, "["); - qlist_iter(val, (void *)to_json_list_iter, &s); + + QLIST_FOREACH_ENTRY(val, entry) { + qstring_append(str, sep); + json_pretty_newline(str, pretty, indent + 1); + to_json(qlist_entry_obj(entry), str, pretty, indent + 1); + sep = comma; + } + json_pretty_newline(str, pretty, indent); qstring_append(str, "]"); break; diff --git a/qobject/qlist.c b/qobject/qlist.c index b3274af88b..1be95367d1 100644 --- a/qobject/qlist.c +++ b/qobject/qlist.c @@ -34,20 +34,17 @@ QList *qlist_new(void) return qlist; } -static void qlist_copy_elem(QObject *obj, void *opaque) -{ - QList *dst = opaque; - - qobject_ref(obj); - qlist_append_obj(dst, obj); -} - QList *qlist_copy(QList *src) { QList *dst = qlist_new(); + QListEntry *entry; + QObject *elt; - qlist_iter(src, qlist_copy_elem, dst); - + QLIST_FOREACH_ENTRY(src, entry) { + elt = qlist_entry_obj(entry); + qobject_ref(elt); + qlist_append_obj(dst, elt); + } return dst; } @@ -86,21 +83,6 @@ void qlist_append_null(QList *qlist) qlist_append(qlist, qnull()); } -/** - * qlist_iter(): Iterate over all the list's stored values. - * - * This function allows the user to provide an iterator, which will be - * called for each stored value in the list. - */ -void qlist_iter(const QList *qlist, - void (*iter)(QObject *obj, void *opaque), void *opaque) -{ - QListEntry *entry; - - QTAILQ_FOREACH(entry, &qlist->head, next) - iter(entry->value, opaque); -} - QObject *qlist_pop(QList *qlist) { QListEntry *entry; @@ -137,16 +119,14 @@ int qlist_empty(const QList *qlist) return QTAILQ_EMPTY(&qlist->head); } -static void qlist_size_iter(QObject *obj, void *opaque) -{ - size_t *count = opaque; - (*count)++; -} - size_t qlist_size(const QList *qlist) { size_t count = 0; - qlist_iter(qlist, qlist_size_iter, &count); + QListEntry *entry; + + QLIST_FOREACH_ENTRY(qlist, entry) { + count++; + } return count; } diff --git a/tests/check-qlist.c b/tests/check-qlist.c index ece83e293d..3cd0ccbf19 100644 --- a/tests/check-qlist.c +++ b/tests/check-qlist.c @@ -61,40 +61,31 @@ static void qobject_to_qlist_test(void) qobject_unref(qlist); } -static int iter_called; -static const int iter_max = 42; - -static void iter_func(QObject *obj, void *opaque) -{ - QNum *qi; - int64_t val; - - g_assert(opaque == NULL); - - qi = qobject_to(QNum, obj); - g_assert(qi != NULL); - - g_assert(qnum_get_try_int(qi, &val)); - g_assert_cmpint(val, >=, 0); - g_assert_cmpint(val, <=, iter_max); - - iter_called++; -} - static void qlist_iter_test(void) { + const int iter_max = 42; int i; QList *qlist; + QListEntry *entry; + QNum *qi; + int64_t val; qlist = qlist_new(); for (i = 0; i < iter_max; i++) qlist_append_int(qlist, i); - iter_called = 0; - qlist_iter(qlist, iter_func, NULL); + i = 0; + QLIST_FOREACH_ENTRY(qlist, entry) { + qi = qobject_to(QNum, qlist_entry_obj(entry)); + g_assert(qi != NULL); + + g_assert(qnum_get_try_int(qi, &val)); + g_assert_cmpint(val, ==, i); + i++; + } - g_assert(iter_called == iter_max); + g_assert(i == iter_max); qobject_unref(qlist); } -- cgit 1.4.1 From 7b1cd1c65abad70b26fbe9b11991bd88f0d956e1 Mon Sep 17 00:00:00 2001 From: Markus Armbruster Date: Wed, 15 Apr 2020 10:30:47 +0200 Subject: qobject: Eliminate qdict_iter(), use qdict_first(), qdict_next() 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 Message-Id: <20200415083048.14339-5-armbru@redhat.com> Reviewed-by: Eric Blake --- include/qapi/qmp/qdict.h | 3 --- qapi/qobject-input-visitor.c | 21 +++++++++-------- qobject/qdict.c | 19 ---------------- qobject/qjson.c | 54 ++++++++++++++++---------------------------- util/qemu-option.c | 10 +++++++- 5 files changed, 40 insertions(+), 67 deletions(-) (limited to 'qobject/qjson.c') diff --git a/include/qapi/qmp/qdict.h b/include/qapi/qmp/qdict.h index 7f3ec10a10..da942347a7 100644 --- a/include/qapi/qmp/qdict.h +++ b/include/qapi/qmp/qdict.h @@ -40,9 +40,6 @@ 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); bool qdict_is_equal(const QObject *x, const QObject *y); -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); void qdict_destroy_obj(QObject *obj); diff --git a/qapi/qobject-input-visitor.c b/qapi/qobject-input-visitor.c index 32236cbcb1..5ce3ec2e5f 100644 --- a/qapi/qobject-input-visitor.c +++ b/qapi/qobject-input-visitor.c @@ -203,31 +203,32 @@ static const char *qobject_input_get_keyval(QObjectInputVisitor *qiv, return qstring_get_str(qstr); } -static void qdict_add_key(const char *key, QObject *obj, void *opaque) -{ - GHashTable *h = opaque; - g_hash_table_insert(h, (gpointer) key, NULL); -} - static const QListEntry *qobject_input_push(QObjectInputVisitor *qiv, const char *name, QObject *obj, void *qapi) { GHashTable *h; StackObject *tos = g_new0(StackObject, 1); + QDict *qdict = qobject_to(QDict, obj); + QList *qlist = qobject_to(QList, obj); + const QDictEntry *entry; assert(obj); tos->name = name; tos->obj = obj; tos->qapi = qapi; - if (qobject_type(obj) == QTYPE_QDICT) { + if (qdict) { h = g_hash_table_new(g_str_hash, g_str_equal); - qdict_iter(qobject_to(QDict, obj), qdict_add_key, h); + for (entry = qdict_first(qdict); + entry; + entry = qdict_next(qdict, entry)) { + g_hash_table_insert(h, (void *)qdict_entry_key(entry), NULL); + } tos->h = h; } else { - assert(qobject_type(obj) == QTYPE_QLIST); - tos->entry = qlist_first(qobject_to(QList, obj)); + assert(qlist); + tos->entry = qlist_first(qlist); tos->index = -1; } diff --git a/qobject/qdict.c b/qobject/qdict.c index 3d8c2f7bbc..526de54ceb 100644 --- a/qobject/qdict.c +++ b/qobject/qdict.c @@ -298,25 +298,6 @@ const char *qdict_get_try_str(const QDict *qdict, const char *key) return qstr ? qstring_get_str(qstr) : NULL; } -/** - * qdict_iter(): Iterate over all the dictionary's stored values. - * - * This function allows the user to provide an iterator, which will be - * called for each stored value in the dictionary. - */ -void qdict_iter(const QDict *qdict, - void (*iter)(const char *key, QObject *obj, void *opaque), - void *opaque) -{ - int i; - QDictEntry *entry; - - for (i = 0; i < QDICT_BUCKET_MAX; i++) { - QLIST_FOREACH(entry, &qdict->table[i], next) - iter(entry->key, entry->value, opaque); - } -} - static QDictEntry *qdict_next_entry(const QDict *qdict, int first_bucket) { int i; diff --git a/qobject/qjson.c b/qobject/qjson.c index f0eebc5fda..f1f2c69704 100644 --- a/qobject/qjson.c +++ b/qobject/qjson.c @@ -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; diff --git a/util/qemu-option.c b/util/qemu-option.c index 9542988183..2784757ef5 100644 --- a/util/qemu-option.c +++ b/util/qemu-option.c @@ -1013,6 +1013,7 @@ QemuOpts *qemu_opts_from_qdict(QemuOptsList *list, const QDict *qdict, OptsFromQDictState state; Error *local_err = NULL; QemuOpts *opts; + const QDictEntry *entry; opts = qemu_opts_create(list, qdict_get_try_str(qdict, "id"), 1, &local_err); @@ -1025,7 +1026,14 @@ QemuOpts *qemu_opts_from_qdict(QemuOptsList *list, const QDict *qdict, state.errp = &local_err; state.opts = opts; - qdict_iter(qdict, qemu_opts_from_qdict_1, &state); + + for (entry = qdict_first(qdict); + entry; + entry = qdict_next(qdict, entry)) { + qemu_opts_from_qdict_1(qdict_entry_key(entry), + qdict_entry_value(entry), + &state); + } if (local_err) { error_propagate(errp, local_err); qemu_opts_del(opts); -- cgit 1.4.1