From 14635f49813df1699569d3b13456ea33955de54b Mon Sep 17 00:00:00 2001
From: Robin Krahl <me@robin-krahl.de>
Date: Sun, 13 Jan 2019 12:04:31 +0100
Subject: Add Device::create static method

The method makes it easier to create a std::shared_ptr<Device> from a
model enum instance.
---
 device.cc            | 11 +++++++++++
 libnitrokey/device.h |  6 ++++++
 2 files changed, 17 insertions(+)

diff --git a/device.cc b/device.cc
index 58dc0e5..aabcbfc 100644
--- a/device.cc
+++ b/device.cc
@@ -209,6 +209,17 @@ std::vector<DeviceInfo> Device::enumerate(){
   return res;
 }
 
+std::shared_ptr<Device> Device::create(DeviceModel model) {
+  switch (model) {
+    case DeviceModel::PRO:
+      return std::make_shared<Stick10>();
+    case DeviceModel::STORAGE:
+      return std::make_shared<Stick20>();
+    default:
+      return {};
+  }
+}
+
 bool Device::could_be_enumerated() {
   LOG(__FUNCTION__, Loglevel::DEBUG_L2);
   std::lock_guard<std::mutex> lock(mex_dev_com);
diff --git a/libnitrokey/device.h b/libnitrokey/device.h
index 418d335..eab3888 100644
--- a/libnitrokey/device.h
+++ b/libnitrokey/device.h
@@ -24,6 +24,7 @@
 #include <chrono>
 #include "hidapi/hidapi.h"
 #include <cstdint>
+#include <memory>
 #include <string>
 #include <vector>
 #include "misc.h"
@@ -154,6 +155,11 @@ public:
    */
   static std::vector<DeviceInfo> enumerate();
 
+  /**
+   * Create a Device of the given model.
+   */
+  static std::shared_ptr<Device> create(DeviceModel model);
+
 
         void show_stats();
 //  ErrorCounters get_stats(){ return m_counters; }
-- 
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