The dump functions could be generally useful for any qobject user or for debugging etc.
Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com> --- include/qapi/qmp/qdict.h | 2 ++ include/qapi/qmp/qlist.h | 2 ++ include/qapi/qmp/qobject.h | 7 ++++ block/qapi.c | 90 +++------------------------------------------- qobject/qdict.c | 30 ++++++++++++++++ qobject/qlist.c | 23 ++++++++++++ qobject/qobject.c | 19 ++++++++++ tests/check-qjson.c | 19 ++++++++++ 8 files changed, 106 insertions(+), 86 deletions(-) diff --git a/include/qapi/qmp/qdict.h b/include/qapi/qmp/qdict.h index 8c7c2b762b..1ef3bc8cda 100644 --- a/include/qapi/qmp/qdict.h +++ b/include/qapi/qmp/qdict.h @@ -91,4 +91,6 @@ QObject *qdict_crumple(const QDict *src, Error **errp); void qdict_join(QDict *dest, QDict *src, bool overwrite); +char *qdict_to_string(QDict *dict, int indent); + #endif /* QDICT_H */ diff --git a/include/qapi/qmp/qlist.h b/include/qapi/qmp/qlist.h index c4b5fdad9b..c93ac3e15b 100644 --- a/include/qapi/qmp/qlist.h +++ b/include/qapi/qmp/qlist.h @@ -60,6 +60,8 @@ size_t qlist_size(const QList *qlist); QList *qobject_to_qlist(const QObject *obj); void qlist_destroy_obj(QObject *obj); +char *qlist_to_string(QList *list, int indent); + static inline const QListEntry *qlist_first(const QList *qlist) { return QTAILQ_FIRST(&qlist->head); diff --git a/include/qapi/qmp/qobject.h b/include/qapi/qmp/qobject.h index b8ddbca405..0d6ae5048a 100644 --- a/include/qapi/qmp/qobject.h +++ b/include/qapi/qmp/qobject.h @@ -101,4 +101,11 @@ static inline QObject *qnull(void) return &qnull_; } +char *qobject_to_string_indent(QObject *obj, int indent); + +static inline char *qobject_to_string(QObject *obj) +{ + return qobject_to_string_indent(obj, 0); +} + #endif /* QOBJECT_H */ diff --git a/block/qapi.c b/block/qapi.c index 2050df29e4..9b7d42e50a 100644 --- a/block/qapi.c +++ b/block/qapi.c @@ -586,101 +586,19 @@ void bdrv_snapshot_dump(fprintf_function func_fprintf, void *f, } } -static void dump_qdict(fprintf_function func_fprintf, void *f, int indentation, - QDict *dict); -static void dump_qlist(fprintf_function func_fprintf, void *f, int indentation, - QList *list); - -static void dump_qobject(fprintf_function func_fprintf, void *f, - int comp_indent, QObject *obj) -{ - switch (qobject_type(obj)) { - case QTYPE_QNUM: { - QNum *value = qobject_to_qnum(obj); - char *tmp = qnum_to_string(value); - func_fprintf(f, "%s", tmp); - g_free(tmp); - break; - } - case QTYPE_QSTRING: { - QString *value = qobject_to_qstring(obj); - func_fprintf(f, "%s", qstring_get_str(value)); - break; - } - case QTYPE_QDICT: { - QDict *value = qobject_to_qdict(obj); - dump_qdict(func_fprintf, f, comp_indent, value); - break; - } - case QTYPE_QLIST: { - QList *value = qobject_to_qlist(obj); - dump_qlist(func_fprintf, f, comp_indent, value); - break; - } - case QTYPE_QBOOL: { - QBool *value = qobject_to_qbool(obj); - func_fprintf(f, "%s", qbool_get_bool(value) ? "true" : "false"); - break; - } - default: - abort(); - } -} - -static void dump_qlist(fprintf_function func_fprintf, void *f, int indentation, - QList *list) -{ - const QListEntry *entry; - int i = 0; - - for (entry = qlist_first(list); entry; entry = qlist_next(entry), i++) { - QType type = qobject_type(entry->value); - bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); - func_fprintf(f, "%*s[%i]:%c", indentation * 4, "", i, - composite ? '\n' : ' '); - dump_qobject(func_fprintf, f, indentation + 1, entry->value); - if (!composite) { - func_fprintf(f, "\n"); - } - } -} - -static void dump_qdict(fprintf_function func_fprintf, void *f, int indentation, - QDict *dict) -{ - const QDictEntry *entry; - - for (entry = qdict_first(dict); entry; entry = qdict_next(dict, entry)) { - QType type = qobject_type(entry->value); - bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); - char *key = g_malloc(strlen(entry->key) + 1); - int i; - - /* replace dashes with spaces in key (variable) names */ - for (i = 0; entry->key[i]; i++) { - key[i] = entry->key[i] == '-' ? ' ' : entry->key[i]; - } - key[i] = 0; - func_fprintf(f, "%*s%s:%c", indentation * 4, "", key, - composite ? '\n' : ' '); - dump_qobject(func_fprintf, f, indentation + 1, entry->value); - if (!composite) { - func_fprintf(f, "\n"); - } - g_free(key); - } -} - void bdrv_image_info_specific_dump(fprintf_function func_fprintf, void *f, ImageInfoSpecific *info_spec) { QObject *obj, *data; Visitor *v = qobject_output_visitor_new(&obj); + char *tmp; visit_type_ImageInfoSpecific(v, NULL, &info_spec, &error_abort); visit_complete(v, &obj); data = qdict_get(qobject_to_qdict(obj), "data"); - dump_qobject(func_fprintf, f, 1, data); + tmp = qobject_to_string_indent(data, 1); + func_fprintf(f, "%s", tmp); + g_free(tmp); qobject_decref(obj); visit_free(v); } diff --git a/qobject/qdict.c b/qobject/qdict.c index 65069baa1b..7e5a945c5e 100644 --- a/qobject/qdict.c +++ b/qobject/qdict.c @@ -1055,3 +1055,33 @@ void qdict_join(QDict *dest, QDict *src, bool overwrite) entry = next; } } + +char *qdict_to_string(QDict *dict, int indent) +{ + const QDictEntry *entry; + GString *str = g_string_new(NULL); + + for (entry = qdict_first(dict); entry; entry = qdict_next(dict, entry)) { + QType type = qobject_type(entry->value); + bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); + char *key = g_malloc(strlen(entry->key) + 1); + char *val = qobject_to_string_indent(entry->value, indent + 1); + int i; + + /* replace dashes with spaces in key (variable) names */ + for (i = 0; entry->key[i]; i++) { + key[i] = entry->key[i] == '-' ? ' ' : entry->key[i]; + } + key[i] = 0; + g_string_append_printf(str, "%*s%s:", indent * 4, "", key); + g_string_append_c(str, composite ? '\n' : ' '); + g_string_append(str, val); + if (!composite) { + g_string_append_c(str, '\n'); + } + g_free(val); + g_free(key); + } + + return g_string_free(str, false); +} diff --git a/qobject/qlist.c b/qobject/qlist.c index 86b60cb88c..b769248290 100644 --- a/qobject/qlist.c +++ b/qobject/qlist.c @@ -158,3 +158,26 @@ void qlist_destroy_obj(QObject *obj) g_free(qlist); } + +char *qlist_to_string(QList *list, int indent) +{ + GString *str = g_string_new(NULL); + const QListEntry *entry; + int i = 0; + + for (entry = qlist_first(list); entry; entry = qlist_next(entry), i++) { + QType type = qobject_type(entry->value); + bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); + char *val = qobject_to_string_indent(entry->value, indent + 1); + + g_string_append_printf(str, "%*s[%i]:", indent * 4, "", i); + g_string_append_c(str, composite ? '\n' : ' '); + g_string_append(str, val); + if (!composite) { + g_string_append_c(str, '\n'); + } + g_free(val); + } + + return g_string_free(str, false); +} diff --git a/qobject/qobject.c b/qobject/qobject.c index b0cafb66f1..64e959c54f 100644 --- a/qobject/qobject.c +++ b/qobject/qobject.c @@ -27,3 +27,22 @@ void qobject_destroy(QObject *obj) assert(QTYPE_QNULL < obj->type && obj->type < QTYPE__MAX); qdestroy[obj->type](obj); } + +char *qobject_to_string_indent(QObject *obj, int indent) +{ + switch (qobject_type(obj)) { + case QTYPE_QNUM: + return qnum_to_string(qobject_to_qnum(obj)); + case QTYPE_QSTRING: + return g_strdup(qstring_get_str(qobject_to_qstring(obj))); + case QTYPE_QDICT: + return qdict_to_string(qobject_to_qdict(obj), indent); + case QTYPE_QLIST: + return qlist_to_string(qobject_to_qlist(obj), indent); + case QTYPE_QBOOL: + return g_strdup(qbool_get_bool(qobject_to_qbool(obj)) ? + "true" : "false"); + default: + abort(); + } +} diff --git a/tests/check-qjson.c b/tests/check-qjson.c index 53f2275b9b..dd3c102bc0 100644 --- a/tests/check-qjson.c +++ b/tests/check-qjson.c @@ -1372,6 +1372,23 @@ static void simple_whitespace(void) } } +static void qobject_to_string_test(void) +{ + QObject *obj; + char *tmp; + + obj = qobject_from_json("[ 43, { 'c': { 'd' : 12 } }, [ 1, 2 ], 42 ]", + &error_abort); + tmp = qobject_to_string(obj); + g_assert_cmpstr(tmp, ==, + "[0]: 43\n" + "[1]:\n c:\n d: 12\n" + "[2]:\n [0]: 1\n [1]: 2\n" + "[3]: 42\n"); + g_free(tmp); + qobject_decref(obj); +} + static void simple_varargs(void) { QObject *embedded_obj; @@ -1545,5 +1562,7 @@ int main(int argc, char **argv) g_test_add_func("/errors/unterminated/literal", unterminated_literal); g_test_add_func("/errors/limits/nesting", limits_nesting); + g_test_add_func("/qobject/to_string", qobject_to_string_test); + return g_test_run(); } -- 2.13.0.91.g00982b8dd