This is a helper function that converts a QDict to a QString, using the format:
key1=value1 SEP key2=value2 SEP key3=value3 Handy for debugging and formating the Monitor output. Signed-off-by: Miguel Di Ciurcio Filho <miguel.fi...@gmail.com> --- qdict.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ qdict.h | 2 ++ 2 files changed, 62 insertions(+), 0 deletions(-) diff --git a/qdict.c b/qdict.c index 175bc17..dc95199 100644 --- a/qdict.c +++ b/qdict.c @@ -267,6 +267,66 @@ const char *qdict_get_str(const QDict *qdict, const char *key) return qstring_get_str(qobject_to_qstring(obj)); } +struct qstring_pack { + QString *str; + size_t total_keys; + size_t current_key; + const char *separator; +}; + +static void qdict_to_qstring_iter(const char *key, QObject *obj, void *opaque) +{ + struct qstring_pack *pack = opaque; + qstring_append(pack->str, key); + qstring_append(pack->str, "="); + switch (qobject_type(obj)) { + case QTYPE_QSTRING: + qstring_append(pack->str, qstring_get_str(qobject_to_qstring(obj))); + break; + case QTYPE_QINT: + qstring_append_int(pack->str, qint_get_int(qobject_to_qint(obj))); + break; + case QTYPE_QBOOL: + qstring_append(pack->str, qbool_get_int(qobject_to_qbool(obj)) ? "true" : + "false" ); + break; + default: + qstring_append(pack->str, "NULL"); + } + + pack->current_key++; + + if (pack->current_key < pack->total_keys) { + qstring_append(pack->str, pack->separator); + } +} + +/** + * qdict_to_qstring(): Format a string with the keys and values of a QDict. + * + * Nested lists and dicts are not supported, yet. + * + * Return a pointer to a QString, with the following format: + * key1=value1 SEP key2=value2 SEP key3=value3 + */ +QString *qdict_to_qstring(const QDict *qdict, const char *separator) +{ + struct qstring_pack *pack; + QString *str; + str = qstring_new(); + + pack = qemu_malloc(sizeof(*pack)); + pack->str = str; + pack->current_key = 0; + pack->total_keys = qdict_size(qdict); + pack->separator = separator; + + qdict_iter(qdict, qdict_to_qstring_iter, pack); + + qemu_free(pack); + + return str; +} /** * qdict_get_try_int(): Try to get integer mapped by 'key' * diff --git a/qdict.h b/qdict.h index 5e5902c..0c64089 100644 --- a/qdict.h +++ b/qdict.h @@ -15,6 +15,7 @@ #include "qobject.h" #include "qlist.h" +#include "qstring.h" #include "qemu-queue.h" #include <stdint.h> @@ -55,6 +56,7 @@ int qdict_get_bool(const QDict *qdict, const char *key); QList *qdict_get_qlist(const QDict *qdict, const char *key); QDict *qdict_get_qdict(const QDict *qdict, const char *key); const char *qdict_get_str(const QDict *qdict, const char *key); +QString *qdict_to_qstring(const QDict *qdict, const char *separator); int64_t qdict_get_try_int(const QDict *qdict, const char *key, int64_t err_value); const char *qdict_get_try_str(const QDict *qdict, const char *key); -- 1.7.1