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[Qemu-devel] [PATCH 2/7] QObject API: introduce qdict_to_qstring() funct
From: |
Miguel Di Ciurcio Filho |
Subject: |
[Qemu-devel] [PATCH 2/7] QObject API: introduce qdict_to_qstring() function |
Date: |
Wed, 23 Jun 2010 12:39:58 -0300 |
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 <address@hidden>
---
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
- [Qemu-devel] [PATCH 0/7] QMP: Introduce query-netdev, Miguel Di Ciurcio Filho, 2010/06/23
- [Qemu-devel] [PATCH 1/7] QMP: Introduce the documentation for query-netdev and info netdev, Miguel Di Ciurcio Filho, 2010/06/23
- [Qemu-devel] [PATCH 2/7] QObject API: introduce qdict_to_qstring() function,
Miguel Di Ciurcio Filho <=
- [Qemu-devel] [PATCH 3/7] net: Introduce VLANClientState->info_dict, Miguel Di Ciurcio Filho, 2010/06/23
- [Qemu-devel] [PATCH 4/7] net: tap/tap-win32: introduce info_dict, Miguel Di Ciurcio Filho, 2010/06/23
- [Qemu-devel] [PATCH 5/7] net: vde: introduce info_dict, Miguel Di Ciurcio Filho, 2010/06/23
- [Qemu-devel] [PATCH 6/7] net: slirp: introduce info_dict, Miguel Di Ciurcio Filho, 2010/06/23
- [Qemu-devel] [PATCH 7/7] monitor/net: introduce 'info netdev' with QMP support, Miguel Di Ciurcio Filho, 2010/06/23
- [Qemu-devel] Re: [PATCH 0/7] QMP: Introduce query-netdev, Luiz Capitulino, 2010/06/28