Add nstack command line tool package

.gitignore

@@ -69,7 +69,6 @@ build/
 *.class
 
 # Generated files
-bin/
 gen/
 out/
 

nstack_tooling/.gitignore

@@ -1,75 +1,15 @@
-# Miscellaneous
-*.class
-*.log
-*.pyc
-*.swp
-.DS_Store
-.atom/
-.buildlog/
-.history
-.svn/
-
-# IntelliJ related
-*.iml
-*.ipr
-*.iws
-.idea/
-
-# The .vscode folder contains launch configuration and tasks you configure in
-# VS Code which you may wish to be included in version control, so this line
-# is commented out by default.
-#.vscode/
-
-# Flutter/Dart/Pub related
-**/doc/api/
+# Files and directories created by pub
 .dart_tool/
-.flutter-plugins
-.flutter-plugins-dependencies
 .packages
-.pub-cache/
-.pub/
+# Remove the following pattern if you wish to check in your lock file
+pubspec.lock
+
+# Conventional directory for build outputs
 build/
 
-# Android related
-**/android/**/gradle-wrapper.jar
-**/android/.gradle
-**/android/captures/
-**/android/gradlew
-**/android/gradlew.bat
-**/android/local.properties
-**/android/**/GeneratedPluginRegistrant.java
+# Directory created by dartdoc
+doc/api/
 
-# iOS/XCode related
-**/ios/**/*.mode1v3
-**/ios/**/*.mode2v3
-**/ios/**/*.moved-aside
-**/ios/**/*.pbxuser
-**/ios/**/*.perspectivev3
-**/ios/**/*sync/
-**/ios/**/.sconsign.dblite
-**/ios/**/.tags*
-**/ios/**/.vagrant/
-**/ios/**/DerivedData/
-**/ios/**/Icon?
-**/ios/**/Pods/
-**/ios/**/.symlinks/
-**/ios/**/profile
-**/ios/**/xcuserdata
-**/ios/.generated/
-**/ios/Flutter/App.framework
-**/ios/Flutter/Flutter.framework
-**/ios/Flutter/Flutter.podspec
-**/ios/Flutter/Generated.xcconfig
-**/ios/Flutter/app.flx
-**/ios/Flutter/app.zip
-**/ios/Flutter/flutter_assets/
-**/ios/Flutter/flutter_export_environment.sh
-**/ios/ServiceDefinitions.json
-**/ios/Runner/GeneratedPluginRegistrant.*
+.idea/
 
-# Exceptions to above rules.
-!**/ios/**/default.mode1v3
-!**/ios/**/default.mode2v3
-!**/ios/**/default.pbxuser
-!**/ios/**/default.perspectivev3
-!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
+assets

nstack_tooling/bin/main.dart

@@ -0,0 +1,131 @@
+import 'dart:io';
+
+import 'package:args/args.dart';
+import 'package:logging/logging.dart';
+
+/// Handles all the commands
+void main(List<String> arguments) {
+  Logger.root.level = Level.INFO; // defaults to Level.INFO
+  recordStackTraceAtLevel = Level.ALL;
+  Logger.root.onRecord.listen((record) {
+    if (record.level == Level.SEVERE) {
+      stderr.writeln('[${record.level.name}] ${record.message}');
+    } else {
+      stdout.writeln('[${record.level.name}] ${record.message}');
+    }
+  });
+  exitCode = 0;
+
+  final argResults = parseArguments(arguments);
+  if (argResults == null) return;
+
+  if (argResults.command == null) {
+    processArgs(argResults.arguments);
+  } else {
+    switch (argResults.command.name) {
+      case 'build':
+        // TODO: processBuildCommand(argResults.command);
+        break;
+      case 'create':
+        //TODO: processCreateCommand(argResults.command);
+        break;
+      default:
+        exit_with(ERROR_COMMAND_NOT_FOUND);
+    }
+  }
+}
+
+/// Parses command-line arguments and returns results
+ArgResults parseArguments(List<String> arguments) {
+  final createParser = ArgParser()
+    ..addFlag('json',
+        help: 'generates json type of config file',
+        negatable: false,
+        abbr: 'j');
+
+  final buildParser = ArgParser()
+    ..addFlag('watch',
+        abbr: 'w',
+        negatable: false,
+        help: 'Watches for any file changes and re-generates dart code')
+    ..addFlag('smart-watch',
+        negatable: false,
+        help:
+        'Smartly watches for file changes that matters and re-generates dart code')
+    ..addFlag('verbose',
+        abbr: 'v', negatable: false, help: 'prints verbose logs');
+
+  final parser = ArgParser()
+    ..addCommand('create', createParser)
+    ..addCommand('build', buildParser)
+    ..addFlag('help',
+        abbr: 'h', help: 'prints usage information', negatable: false)
+    ..addFlag('version', abbr: 'v', help: 'prints current version')
+    ..addFlag('info', abbr: 'i', help: 'print library info', negatable: false)
+    ..addFlag('check-updates',
+        abbr: 'u', help: 'Check for update', negatable: false);
+  try {
+    var result = parser.parse(arguments);
+    return result;
+  } on Error catch (e) {
+    exit_with(
+        'Invalid command input. see spider --help for info.', e.stackTrace);
+    return null;
+  }
+}
+
+/// Called when no command is passed for spider
+/// Process available options for spider executable
+void processArgs(List<String> arguments) {
+  if (arguments.contains('--help')) {
+    printHelp();
+  } else if (arguments.contains('--version')) {
+    printVersion();
+  } else if (arguments.contains('--info')) {
+    printInfo();
+  } else {
+    printHelp();
+  }
+}
+
+/// exits process with a message on command-line
+void exit_with(String msg, [StackTrace stackTrace]) {
+  error(msg, stackTrace);
+  exitCode = 2;
+  exit(2);
+}
+
+/// logs an error
+void error(String msg, [StackTrace stackTrace]) =>
+    Logger('Spider').log(Level('ERROR', 1100), msg, null, stackTrace);
+
+/// prints library help
+void printHelp() => stdout.writeln(HELP);
+
+/// prints library info
+void printInfo() => stdout.writeln(INFO);
+
+/// prints library version
+void printVersion() => stdout.writeln(VERSION);
+
+/// constants
+const String VERSION = '1.0.0';
+
+const String HELP = '''
+NSTACK:
+  Some great help.
+''';
+
+const String INFO = '''
+NSTACK:
+  A small dart command-line tool for generating NStack assets.
+  
+  VERSION           $VERSION
+  AUTHOR            Nodes
+  HOMEPAGE          https://nstack.io
+  SDK VERSION       2.6
+  
+  see nstacktooling --help for more available commands.
+''';
+
+const String ERROR_COMMAND_NOT_FOUND = 'No command found. Use NStack --help to see available commands';