Add dev-scripts/build-all.dart

This script builds all our supported configurations.
Useful if you don't have access to KDAB CI, or if you don't want
to wait for the results.

dev-scripts/build-all.dart

@@ -0,0 +1,128 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2020 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+/**
+ * This is an helper script which simply reads CMakePresets.json and builds those
+ * presets. It's just for quickly checking that every supported setup builds
+ * without having to wait for CI (or in case you don't have access to KDAB CI)
+ * 
+ * Usage:
+ *     $ dart build-all.dart <kddw-source-directory>
+ */
+
+import 'dart:io';
+import 'dart:convert';
+
+String s_sourceDirectory = "";
+
+class Preset {
+  final String name;
+  final String buildDir;
+  String cmakeVariables = "";
+  Preset.fromJson(var jsonData)
+      : name = jsonData['name'],
+        buildDir = jsonData['binaryDir'] {
+    final varsData = jsonData['cacheVariables'];
+    varsData.forEach((k, v) => cmakeVariables += ' -D' + k + '=' + v);
+  }
+
+  String buildDirectory() {
+    return buildDir.replaceAll("\${sourceDir}", s_sourceDirectory);
+  }
+
+  List<String> cmakeConfigArguments() {
+    return [
+      "-G",
+      "Ninja",
+      cmakeVariables,
+      "-B",
+      buildDirectory(),
+      "-S",
+      s_sourceDirectory,
+      "--preset=" + name
+    ];
+  }
+
+  List<String> cmakeBuildArguments() {
+    return ["--build", buildDirectory()];
+  }
+
+  Future<bool> build() async {
+    if (!await runCMake(cmakeConfigArguments())) {
+      return false;
+    }
+
+    if (!await runCMake(cmakeBuildArguments())) {
+      return false;
+    }
+
+    return true;
+  }
+}
+
+/// Returns the contents of the CMakePresets.json file
+String cmakePresetsJson(presetsFile) {
+  var file = File(presetsFile);
+  if (!file.existsSync()) {
+    throw Exception('Not existent file');
+  }
+  return file.readAsStringSync();
+}
+
+List<Preset> readPresets(var presetsFile) {
+  var presets = List<Preset>();
+
+  final jsonData = jsonDecode(cmakePresetsJson(presetsFile));
+  for (var presetData in jsonData['configurePresets']) {
+    presets.add(Preset.fromJson(presetData));
+  }
+  return presets;
+}
+
+Future<bool> runCMake(var cmd) async {
+  print("Running: cmake " + cmd.join(' '));
+  ProcessResult result = await Process.run('cmake', cmd);
+  if (result.exitCode != 0) {
+    print(result.stdout);
+    print(result.stderr);
+    return false;
+  }
+
+  return true;
+}
+
+Future<int> main(List<String> arguments) async {
+  if (arguments.length != 1) {
+    print("Usage: build-all.dart <src-directory>");
+    return 1;
+  }
+
+  s_sourceDirectory = arguments[0];
+  final presetsFile = s_sourceDirectory + '/CMakePresets.json';
+
+  if (FileSystemEntity.typeSync(presetsFile) == FileSystemEntityType.notFound) {
+    print('ERROR: CMakePresets.json file not found in the source directory');
+    return 1;
+  }
+
+  var presets = readPresets(presetsFile);
+  for (var preset in presets) {
+    if (preset.name == 'python')
+      continue; // TODO: blacklisted as it's not building on my setup yet
+
+    if (!await preset.build()) {
+      return 1;
+    }
+  }
+
+  print("Success!!");
+  return 0;
+}