Config: Change syntax and updates all configs

application/F3DConfigFileTools.cxx

@@ -169,39 +169,79 @@ F3DOptionsTools::OptionsEntries F3DConfigFileTools::ReadConfigFiles(const std::s
     {
       file >> json;
     }
-    catch (const std::exception& ex)
+    catch (const nlohmann::json::parse_error& ex)
     {
       f3d::log::error(
         "Unable to parse the configuration file ", configFilePath.string(), " , ignoring it");
       f3d::log::error(ex.what());
       continue;
     }
 
-    // For each config "pattern"
-    for (const auto& configBlock : json.items())
+    try
     {
-      // Add each config entry into an option dict
-      F3DOptionsTools::OptionsDict entry;
-      for (const auto& item : configBlock.value().items())
+      // For each config block in the main array
+      for (const auto& configBlock : json)
       {
-        if (item.value().is_number() || item.value().is_boolean())
+        // Recover match if any
+        std::string match;
+        try
+        {
+          match = configBlock.at("match");
+        }
+        catch (nlohmann::json::out_of_range&)
+        {
+          // No match defined, use a catch all regex
+          match = ".*";
+        }
+
+        // Recover options if any
+        nlohmann::ordered_json optionsBlock;
+        try
+        {
+          optionsBlock = configBlock.at("options");
+        }
+        catch (nlohmann::json::out_of_range&)
         {
-          entry[item.key()] = nlohmann::to_string(item.value());
         }
-        else if (item.value().is_string())
+
+        if (optionsBlock.size() == 0)
         {
-          entry[item.key()] = item.value().get<std::string>();
+          // To help users figure out issues with configuration files
+          f3d::log::warn("A config block in config file: ", configFilePath.string(),
+            " does not contains options, ignoring block");
         }
         else
         {
-          f3d::log::error(item.key(), " from ", configFilePath.string(),
-            " must be a string, a boolean or a number, ignoring entry");
-          continue;
+          // Add each options config entry into an option dict
+          F3DOptionsTools::OptionsDict entry;
+          for (const auto& item : optionsBlock.items())
+          {
+            if (item.value().is_number() || item.value().is_boolean())
+            {
+              entry[item.key()] = nlohmann::to_string(item.value());
+            }
+            else if (item.value().is_string())
+            {
+              entry[item.key()] = item.value().get<std::string>();
+            }
+            else
+            {
+              f3d::log::error(item.key(), " from ", configFilePath.string(),
+                " must be a string, a boolean or a number, ignoring entry");
+              continue;
+            }
+          }
+
+          // Emplace the option dict for that pattern match into the config entries vector
+          confEntries.emplace_back(entry, configFilePath, match);
         }
       }
-
-      // Emplace the option dict for that pattern into the config entries vector
-      confEntries.emplace_back(entry, configFilePath, configBlock.key());
+    }
+    catch (const nlohmann::json::type_error& ex)
+    {
+      f3d::log::warn("Error processing config file: ", configFilePath.string(),
+        ", configuration may be incorrect");
+      f3d::log::error(ex.what());
     }
   }
   return confEntries;

application/testing/CMakeLists.txt

@@ -990,6 +990,12 @@ f3d_test(NAME TestInvalidMultiFileMode DATA mb/recursive ARGS --multi-file-mode=
 f3d_test(NAME TestVerboseUnnamedCamera DATA Cameras.gltf ARGS --verbose REGEXP "1: unnamed_1" NO_BASELINE)
 f3d_test(NAME TestVerboseUnnamedAnimation DATA BoxAnimated.gltf ARGS --verbose REGEXP "0: unnamed_0" NO_BASELINE)
 
+# Test invalid value in config file
+f3d_test(NAME TestConfigFileInvalidOptions DATA cow.vtp CONFIG ${F3D_SOURCE_DIR}/testing/configs/invalid_options.json REGEXP "Error processing config file" NO_BASELINE)
+
+# Test invalid value in config file
+f3d_test(NAME TestConfigFileNoOptions DATA cow.vtp CONFIG ${F3D_SOURCE_DIR}/testing/configs/no_options.json REGEXP "does not contains options" NO_BASELINE)
+
 # Test invalid value in config file
 f3d_test(NAME TestConfigFileInvalidValue DATA cow.vtp CONFIG ${F3D_SOURCE_DIR}/testing/configs/invalid_value.json REGEXP "must be a string, a boolean or a number" NO_BASELINE)
 

doc/user/CONFIGURATION_FILE.md

@@ -10,37 +10,52 @@ in order to provide different default values for the different filetypes.
 
 Using a command-line option will override similar option set in any config files.
 
-Some options are only taken into account on the first load and not on subsequent loads, 
+Some options are only taken into account on the first load and not on subsequent loads,
 when switching between files.
 
 A typical config file may look like this:
 
 ```javascript
+[
 {
-   ".*": {
-       "bg-color": "0.7,0.7,0.7",
-       "color": "0.5,0.1,0.1",
-       "anti-aliasing": true,
-       "timer": true,
-       "progress": true,
-       "axis": true,
-       "bar": true,
-       "roughness": 0.2,
-       "grid": true,
-       "scalar-coloring": true
-   },
-   ".*vt.": {
-       "edges": true
-   },
-   ".*gl(tf|b)": {
-       "raytracing": true,
-       "denoise": true,
-       "samples": 3
-   },
-   ".*mhd": {
-       "volume": true
-   }
+  "options":
+  {
+     "bg-color": "0.7,0.7,0.7",
+     "color": "0.5,0.1,0.1",
+     "anti-aliasing": true,
+     "timer": true,
+     "progress": true,
+     "axis": true,
+     "bar": true,
+     "roughness": 0.2,
+     "grid": true,
+     "scalar-coloring": true
+  }
+},
+{
+  "match": ".*vt.",
+  "options":
+  {
+    "edges": true
+  }
+},
+{
+  "match": ".*gl(tf|b)",
+  "options":
+  {
+    "raytracing": true,
+    "denoise": true,
+    "samples": 3
+  }
+},
+{
+  "match": ".*mhd",
+  "options":
+  {
+    "volume": true
+  }
 }
+]
 ```
 Here, the first block defines a basic configuration with many desired options for all files.
 The second block specifies that all files ending with vt., eg: vtk, vtp, vtu, ... will be shown with edges visibility turned on.

doc/user/PLUGINS.md

@@ -17,11 +17,15 @@ Alternatively, you can add your plugin directly in the
 multiple plugins in a single comma-separated list, like in the example below:
 
 ```
+[
 {
-    ".*(file_extension)": {
-        "load-plugins": "plugin1", "plugin2"
-    }
+  "match": ".*(file_extension)",
+  "options":
+  {
+    "load-plugins": "plugin1", "plugin2"
+  }
 }
+]
 ```
 
 ### Supported plugins

examples/plugins/example-plugin/configs/config.d/10_example.json

@@ -1,5 +1,6 @@
 {
-  ".*(expl)":
+  "match": ".*(expl)",
+  "options":
   {
     "load-plugins": "example"
   }

examples/plugins/example-plugin/configs/thumbnail.d/10_example.json

@@ -1,5 +1,6 @@
 {
-  ".*(expl)":
+  "match": ".*(expl)",
+  "options":
   {
     "load-plugins": "example"
   }

plugins/alembic/configs/config.d/10_alembic.json

@@ -1,7 +1,10 @@
+[
 {
-  ".*(abc)":
+  "match": ".*(abc)",
+  "options":
   {
     "scalar-coloring": true,
     "load-plugins": "alembic"
   }
 }
+]

plugins/alembic/configs/thumbnail.d/10_alembic.json

@@ -1,7 +1,10 @@
+[
 {
-  ".*(abc)":
+  "match": ".*(abc)",
+  "options":
   {
     "scalar-coloring": true,
     "load-plugins": "alembic"
   }
 }
+]

plugins/assimp/configs/config.d/10_assimp.json

@@ -1,16 +1,25 @@
+[
 {
-  ".*(fbx|dae|off|dxf|x|3mf)":
+  "match": ".*(fbx|dae|off|dxf|x|3mf)",
+  "options":
   {
     "load-plugins": "assimp"
-  },
-  ".*(off|3mf)":
+  }
+},
+{
+  "match": ".*(off|3mf)",
+  "options":
   {
     "up": "+Z",
     "camera-direction": "-1,1,-0.5"
-  },
-  ".*(dxf)":
+  }
+},
+{
+  "match": ".*(dxf)",
+  "options":
   {
     "up": "-Z",
     "camera-direction": "1,-1,0.5"
   }
 }
+]

plugins/assimp/configs/thumbnail.d/10_assimp.json

@@ -1,16 +1,25 @@
+[
 {
-  ".*(fbx|dae|off|dxf|x|3mf)":
+  "match": ".*(fbx|dae|off|dxf|x|3mf)",
+  "options":
   {
     "load-plugins": "assimp"
-  },
-  ".*(off|3mf)":
+  }
+},
+{
+  "match": ".*(off|3mf)",
+  "options":
   {
     "up": "+Z",
     "camera-direction": "-1,1,-0.5"
-  },
-  ".*(dxf)":
+  }
+},
+{
+  "match": ".*(dxf)",
+  "options":
   {
     "up": "-Z",
     "camera-direction": "1,-1,0.5"
   }
 }
+]

plugins/draco/configs/config.d/10_draco.json

@@ -1,7 +1,10 @@
+[
 {
-  ".*(drc)":
+  "match": ".*(drc)",
+  "options":
   {
     "scalar-coloring": true,
     "load-plugins": "draco"
   }
 }
+]

plugins/draco/configs/thumbnail.d/10_draco.json

@@ -1,7 +1,10 @@
+[
 {
-  ".*(drc)":
+  "match": ".*(drc)",
+  "options":
   {
     "scalar-coloring": true,
     "load-plugins": "draco"
   }
 }
+]

plugins/exodus/configs/config.d/10_exodus.json

@@ -1,8 +1,11 @@
+[
 {
-  ".*(ex2)":
+  "match": ".*(ex2)",
+  "options":
   {
     "scalar-coloring": true,
     "load-plugins": "exodus",
     "bar": true
   }
 }
+]

plugins/exodus/configs/thumbnail.d/10_exodus.json

@@ -1,7 +1,10 @@
+[
 {
-  ".*(ex2)":
+  "match": ".*(ex2)",
+  "options":
   {
     "scalar-coloring": true,
     "load-plugins": "exodus"
   }
 }
+]