From 3fc0737dda213a7dc1e769523434d06902483426 Mon Sep 17 00:00:00 2001
From: Marcus Fritzsch <marcus_fritzsch@mentor.com>
Date: Thu, 27 Jul 2017 15:52:10 +0200
Subject: [PATCH] app: try to parse ids.json, run embedded tests (debug output
 only)

Signed-off-by: Marcus Fritzsch <marcus_fritzsch@mentor.com>
---
 src/app.cpp | 62 +++++++++++++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 48 insertions(+), 14 deletions(-)

diff --git a/src/app.cpp b/src/app.cpp
index 9bd12ed..8a3abec 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -30,10 +30,8 @@ struct wm::area area_from_json(json const &j) {
    return wm::area{
       j["name"].get<std::string>(),
       {
-         get<uint32_t>(j["width"]),
-         get<uint32_t>(j["height"]),
-         get<int32_t>(j["x"]),
-         get<int32_t>(j["y"]),
+         get<uint32_t>(j["width"]), get<uint32_t>(j["height"]),
+         get<int32_t>(j["x"]), get<int32_t>(j["y"]),
       },
       get<uint32_t>(j["zorder"]),
    };
@@ -72,22 +70,58 @@ struct result<layouts_type> load_layout(char const *filename) {
    return Ok(layouts);
 }
 
+struct result<surface_id_to_layer_map>
+   load_layer_ids(char const *filename) {
+   DB("loading IDs from " << filename);
+
+   json jids;
+   std::ifstream i(filename);
+   i >> jids;
+
+   auto m = to_surface_id_to_layer_map(jids["mappings"]);
+
+   if (m.is_ok()) {
+      auto i = m.unwrap();
+
+      auto jtests = jids.value("tests", json());
+
+      std::vector<std::pair<int, int>> tests;
+      std::transform(std::cbegin(jtests), std::cend(jtests),
+                     std::back_inserter(tests), [](json const &j) {
+                        return std::make_pair(get<int>(j["surface_id"]),
+                                              get<int>(j["expect_layer_id"]));
+                     });
+
+      for (auto sid : tests) {
+         DB("layer id for surface "
+            << sid.first << " is "
+            << i.get_layer_for_surface(sid.first).value_or(-1) << " expected "
+            << sid.second);
+      }
+   }
+
+   return m;
+}
+
 }  // namespace
 
 App::App(wl::display *d)
-   : api{this},
-     display{d},
-     controller{},
-     outputs(),
-     layouts() {
-     // layouts(load_layout("../layout.json").unwrap()) {
+   : api{this}, display{d}, controller{}, outputs(), layouts() {
+   // layouts(load_layout("../layout.json").unwrap()) {
    assert(g_app == nullptr);
    g_app = this;
 
-   auto l = load_layout("../layout.json");
-   if (l.is_err()) {
-      DB("Could not load layout: " << l.unwrap_err());
-   }
+   auto a = load_layout("../layout.json");
+   auto b = a.map_err([](char const *e) -> char const * {
+      DB("Could not load layout: " << e);
+      return e;
+   });
+
+   auto c = load_layer_ids("../ids.json");
+   auto e = c.map_err([](char const *e) -> char const * {
+      DB("Could not load ids: " << e);
+      return e;
+   });
 }
 
 App::~App() { g_app = nullptr; }
-- 
2.16.6