[Qemu-devel] [PATCH RFC v3 4/5] qapi: Factor qobject_input_get_autocast() out of methods

Markus Armbruster posted 5 patches 8 years, 4 months ago
[Qemu-devel] [PATCH RFC v3 4/5] qapi: Factor qobject_input_get_autocast() out of methods
Posted by Markus Armbruster 8 years, 4 months ago
Signed-off-by: Markus Armbruster <armbru@redhat.com>
---
 qapi/qobject-input-visitor.c | 87 ++++++++++++++++++--------------------------
 1 file changed, 35 insertions(+), 52 deletions(-)

diff --git a/qapi/qobject-input-visitor.c b/qapi/qobject-input-visitor.c
index 0bf6849..970bb37 100644
--- a/qapi/qobject-input-visitor.c
+++ b/qapi/qobject-input-visitor.c
@@ -143,6 +143,28 @@ static QObject *qobject_input_get_object(QObjectInputVisitor *qiv,
     return obj;
 }
 
+static const char *qobject_input_get_autocast(QObjectInputVisitor *qiv,
+                                              const char *name,
+                                              Error **errp)
+{
+    QObject *qobj;
+    QString *qstr;
+
+    qobj = qobject_input_get_object(qiv, name, true, errp);
+    if (!qobj) {
+        return NULL;
+    }
+
+    qstr = qobject_to_qstring(qobj);
+    if (!qstr) {
+        error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
+                   qobject_input_get_name(qiv, name), "string");
+        return NULL;
+    }
+
+    return qstring_get_str(qstr);
+}
+
 static void qdict_add_key(const char *key, QObject *obj, void *opaque)
 {
     GHashTable *h = opaque;
@@ -328,20 +350,13 @@ static void qobject_input_type_int64_autocast(Visitor *v, const char *name,
                                               int64_t *obj, Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
-    QObject *qobj = qobject_input_get_object(qiv, name, true, errp);
-    QString *qstr;
+    const char *str = qobject_input_get_autocast(qiv, name, errp);
 
-    if (!qobj) {
-        return;
-    }
-    qstr = qobject_to_qstring(qobj);
-    if (!qstr) {
-        error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
-                   qobject_input_get_name(qiv, name), "string");
+    if (!str) {
         return;
     }
 
-    if (qemu_strtoi64(qstring_get_str(qstr), NULL, 0, obj) < 0) {
+    if (qemu_strtoi64(str, NULL, 0, obj) < 0) {
         /* TODO report -ERANGE more nicely */
         error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
                    qobject_input_get_name(qiv, name), "integer");
@@ -373,20 +388,13 @@ static void qobject_input_type_uint64_autocast(Visitor *v, const char *name,
                                                uint64_t *obj, Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
-    QObject *qobj = qobject_input_get_object(qiv, name, true, errp);
-    QString *qstr;
+    const char *str = qobject_input_get_autocast(qiv, name, errp);
 
-    if (!qobj) {
-        return;
-    }
-    qstr = qobject_to_qstring(qobj);
-    if (!qstr) {
-        error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
-                   qobject_input_get_name(qiv, name), "string");
+    if (!str) {
         return;
     }
 
-    if (qemu_strtou64(qstring_get_str(qstr), NULL, 0, obj) < 0) {
+    if (qemu_strtou64(str, NULL, 0, obj) < 0) {
         /* TODO report -ERANGE more nicely */
         error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
                    qobject_input_get_name(qiv, name), "integer");
@@ -417,21 +425,12 @@ static void qobject_input_type_bool_autocast(Visitor *v, const char *name,
                                              bool *obj, Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
-    QObject *qobj = qobject_input_get_object(qiv, name, true, errp);
-    QString *qstr;
-    const char *str;
+    const char *str = qobject_input_get_autocast(qiv, name, errp);
 
-    if (!qobj) {
-        return;
-    }
-    qstr = qobject_to_qstring(qobj);
-    if (!qstr) {
-        error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
-                   qobject_input_get_name(qiv, name), "string");
+    if (!str) {
         return;
     }
 
-    str = qstring_get_str(qstr);
     if (!strcmp(str, "on")) {
         *obj = true;
     } else if (!strcmp(str, "off")) {
@@ -494,22 +493,13 @@ static void qobject_input_type_number_autocast(Visitor *v, const char *name,
                                                double *obj, Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
-    QObject *qobj = qobject_input_get_object(qiv, name, true, errp);
-    QString *qstr;
-    const char *str;
+    const char *str = qobject_input_get_autocast(qiv, name, errp);
     char *endp;
 
-    if (!qobj) {
-        return;
-    }
-    qstr = qobject_to_qstring(qobj);
-    if (!qstr) {
-        error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
-                   qobject_input_get_name(qiv, name), "string");
+    if (!str) {
         return;
     }
 
-    str = qstring_get_str(qstr);
     errno = 0;
     *obj = strtod(str, &endp);
     if (errno || endp == str || *endp) {
@@ -553,20 +543,13 @@ static void qobject_input_type_size_autocast(Visitor *v, const char *name,
                                              uint64_t *obj, Error **errp)
 {
     QObjectInputVisitor *qiv = to_qiv(v);
-    QObject *qobj = qobject_input_get_object(qiv, name, true, errp);
-    QString *qstr;
+    const char *str = qobject_input_get_autocast(qiv, name, errp);
 
-    if (!qobj) {
-        return;
-    }
-    qstr = qobject_to_qstring(qobj);
-    if (!qstr) {
-        error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
-                   qobject_input_get_name(qiv, name), "string");
+    if (!str) {
         return;
     }
 
-    if (qemu_strtosz(qstring_get_str(qstr), NULL, obj) < 0) {
+    if (qemu_strtosz(str, NULL, obj) < 0) {
         /* TODO report -ERANGE more nicely */
         error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
                    qobject_input_get_name(qiv, name), "size");
-- 
2.7.4


Re: [Qemu-devel] [PATCH RFC v3 4/5] qapi: Factor qobject_input_get_autocast() out of methods
Posted by Eric Blake 8 years, 4 months ago
On 02/21/2017 03:01 PM, Markus Armbruster wrote:
> Signed-off-by: Markus Armbruster <armbru@redhat.com>
> ---
>  qapi/qobject-input-visitor.c | 87 ++++++++++++++++++--------------------------
>  1 file changed, 35 insertions(+), 52 deletions(-)
> 

Reviewed-by: Eric Blake <eblake@redhat.com>

I guess you aren't squashing this into 3/5 because that one kept Dan as
the original author?

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org