Add CI configuation file

Author: gflegar

.gitlab-ci.yml

@@ -0,0 +1,15 @@
+image: base/devel
+
+build:
+  stage: build
+  script:
+    - g++ -o example example.cpp
+  artifacts:
+    paths:
+      - example
+
+test:
+  stage: test
+  script:
+    - ./example >out.json
+    - diff out.json example_result.json

README.md

@@ -1,6 +1,8 @@
 JSON printer
 ============
 
+[![pipeline status](https://gitlab.com/gflegar/json-printer-ci/badges/master/pipeline.svg)](https://gitlab.com/gflegar/json-printer-ci/commits/master)
+
 JSON printer is a header-only C++11 library for printing JSON objects to C++
 streams.
 It tries to follow the KISS principle, so the entire library consists of 1

example_result.json

@@ -0,0 +1,34 @@
+{
+  "Tesla" : [
+    {
+      "name" : "K20",
+      "cores" : 2496
+    },
+    {
+      "name" : "K40",
+      "cores" : 2880
+    },
+    {
+      "name" : "K80",
+      "cores" : 4992
+    },
+    {
+      "name" : "P100",
+      "cores" : 3584
+    },
+    {
+      "name" : "V100",
+      "cores" : 5120
+    }
+  ],
+  "GeForce" : [
+    "GTX960",
+    "GTX970",
+    "GTX980",
+    "GTX1050",
+    "GTX1060",
+    "GTX1070",
+    "GTX1080"
+  ],
+  "Quadro" : null
+}

json_printer.hpp

@@ -41,9 +41,12 @@ class json_printer {
     enum container_type { object, array };
 
     json_printer(std::ostream &os = std::cout, bool pretty = false,
-                int indent = 2, int base_nesting = 0)
-        : os_(os), pretty_(pretty), indent_(indent),
-          base_nesting_(base_nesting), have_separator_(true)
+                 int indent = 2, int base_nesting = 0)
+        : os_(os),
+          pretty_(pretty),
+          indent_(indent),
+          base_nesting_(base_nesting),
+          have_separator_(true)
     {
         print(object);
     }
@@ -165,9 +168,14 @@ void print_as_json(json_printer &printer, const std::string &value)
     os << '"';
     for (const auto c : value) {
         switch (c) {
-            case '\\': os << "\\\\"; break;
-            case '\"': os << "\\\""; break;
-            default: os << c;
+        case '\\':
+            os << "\\\\";
+            break;
+        case '\"':
+            os << "\\\"";
+            break;
+        default:
+            os << c;
         }
     }
     os << '"';
@@ -179,9 +187,14 @@ void print_as_json(json_printer &printer, const char *value)
 }
 
 void print_as_json(json_printer &printer, bool value)
-{ printer.ostream() << (value ? "true" : "false"); }
+{
+    printer.ostream() << (value ? "true" : "false");
+}
 
-void print_as_json(json_printer &printer, std::nullptr_t) { printer.ostream() << "null"; }
+void print_as_json(json_printer &printer, std::nullptr_t)
+{
+    printer.ostream() << "null";
+}
 
 void print_as_json(json_printer &printer, json_printer::container_type t)
 {
@@ -197,7 +210,9 @@ template <typename T, typename = void>
 struct have_custom_printer : std::false_type {};
 
 template <typename T>
-struct have_custom_printer<T, void_t<decltype(print_as_json(std::declval<json_printer&>(), std::declval<T>()))>> : std::true_type {};
+struct have_custom_printer<
+    T, void_t<decltype(print_as_json(std::declval<json_printer &>(),
+                                     std::declval<T>()))>> : std::true_type {};
 
 
 template <typename T>