DBus: adds function ffDBusGetInt

Author: CarterLi

src/common/dbus.c

@@ -162,6 +162,54 @@ bool ffDBusGetUint(FFDBusData* dbus, DBusMessageIter* iter, uint32_t* result)
     return ffDBusGetUint(dbus, &subIter, result);
 }
 
+bool ffDBusGetInt(FFDBusData* dbus, DBusMessageIter* iter, int32_t* result)
+{
+    int argType = dbus->lib->ffdbus_message_iter_get_arg_type(iter);
+
+    if(argType == DBUS_TYPE_INT16)
+    {
+        int16_t value = 0;
+        dbus->lib->ffdbus_message_iter_get_basic(iter, &value);
+        *result = value;
+        return true;
+    }
+
+    if(argType == DBUS_TYPE_INT32)
+    {
+        dbus->lib->ffdbus_message_iter_get_basic(iter, result);
+        return true;
+    }
+
+    if(argType == DBUS_TYPE_BYTE)
+    {
+        uint8_t value = 0;
+        dbus->lib->ffdbus_message_iter_get_basic(iter, &value);
+        *result = value;
+        return true;
+    }
+
+    if(argType == DBUS_TYPE_UINT16)
+    {
+        uint16_t value = 0;
+        dbus->lib->ffdbus_message_iter_get_basic(iter, &value);
+        *result = (int16_t) value;
+        return true;
+    }
+
+    if(argType == DBUS_TYPE_UINT32)
+    {
+        dbus->lib->ffdbus_message_iter_get_basic(iter, result);
+        return true;
+    }
+
+    if(argType != DBUS_TYPE_VARIANT)
+        return false;
+
+    DBusMessageIter subIter;
+    dbus->lib->ffdbus_message_iter_recurse(iter, &subIter);
+    return ffDBusGetInt(dbus, &subIter, result);
+}
+
 DBusMessage* ffDBusGetMethodReply(FFDBusData* dbus, const char* busName, const char* objectPath, const char* interface, const char* method, const char* arg1, const char* arg2)
 {
     DBusMessage* message = dbus->lib->ffdbus_message_new_method_call(busName, objectPath, interface, method);

src/common/dbus.h

@@ -34,6 +34,7 @@ bool ffDBusGetUint(FFDBusData* dbus, DBusMessageIter* iter, uint32_t* result);
 DBusMessage* ffDBusGetMethodReply(FFDBusData* dbus, const char* busName, const char* objectPath, const char* interface, const char* method, const char* arg1, const char* arg2);
 DBusMessage* ffDBusGetProperty(FFDBusData* dbus, const char* busName, const char* objectPath, const char* interface, const char* property);
 bool ffDBusGetPropertyString(FFDBusData* dbus, const char* busName, const char* objectPath, const char* interface, const char* property, FFstrbuf* result);
+bool ffDBusGetInt(FFDBusData* dbus, DBusMessageIter* iter, int32_t* result);
 bool ffDBusGetPropertyUint(FFDBusData* dbus, const char* busName, const char* objectPath, const char* interface, const char* property, uint32_t* result);
 
 static inline DBusMessage* ffDBusGetAllProperties(FFDBusData* dbus, const char* busName, const char* objectPath, const char* interface)