pkg/docgen: removed yaml and append output support

pkg/docgen/bin/docgen.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import 'dart:io';
 
 import 'package:args/args.dart';
 import 'package:logging/logging.dart';
 import 'package:path/path.dart' as path;
 
@@ skipping 22 matching lines @@
       path.join(options['sdk'], 'bin', 'pub') : 'pub';
 
   var dartBinary = options['sdk'] != null ?
       path.join(options['sdk'], 'bin', 'dart') : 'dart';
 
   var excludedLibraries = options['exclude-lib'];
   if(excludedLibraries == null) excludedLibraries = [];
 
   docgen(files,
       packageRoot: options['package-root'],
-      outputToYaml: !options['json'],
       includePrivate: options['include-private'],
       includeSdk: includeSdk,
       parseSdk: options['parse-sdk'],
-      append: options['append'] && new Directory(options['out']).existsSync(),
       introFileName: introduction,
       out: options['out'],
       excludeLibraries: excludedLibraries,
       includeDependentPackages: options['include-dependent-packages'],
       compile: options['compile'],
       serve: options['serve'],
       dartBinary: dartBinary,
       pubScript: pubScript,
       noDocs: options['no-docs'],
       startPage: startPage);
@@ skipping 38 matching lines @@
       help: 'Prints help and usage information.',
       negatable: false,
       callback: (help) {
         if (help) _printHelpAndExit();
       });
   parser.addFlag('verbose', abbr: 'v',
       help: 'Output more logging information.', negatable: false,
       callback: (verbose) {
         if (verbose) Logger.root.level = Level.FINEST;
       });
-  parser.addFlag('json', abbr: 'j',
-      help: 'Outputs to JSON. If negated, outputs to YAML. '
-        'If --append is used, it takes the file-format of the previous '
-        'run stated in library_list.json, ignoring the flag.',
-      negatable: true, defaultsTo: true);
   parser.addFlag('include-private',
       help: 'Flag to include private declarations.', negatable: false);
   parser.addFlag('include-sdk',
       help: 'Flag to parse SDK Library files.',
       defaultsTo: true,
       negatable: true);
   parser.addFlag('parse-sdk',
       help: 'Parses the SDK libraries only.',
       defaultsTo: false, negatable: false);
   parser.addOption('package-root',
       help: 'Sets the package root of the library being analyzed.');
-  parser.addFlag('append',
-      help: 'Append to the docs folder, library_list.json and index.txt',
-      defaultsTo: false, negatable: false);
   parser.addFlag('compile', help: 'Clone the documentation viewer repo locally '
       '(if not already present) and compile with dart2js', defaultsTo: false,
       negatable: false);
   parser.addFlag('serve', help: 'Clone the documentation viewer repo locally '
       '(if not already present), compile with dart2js, '
       'and start a simple server',
       defaultsTo: false, negatable: false);
   parser.addFlag('no-docs', help: 'Do not generate any new documentation',
       defaultsTo: false, negatable: false);
   parser.addOption('introduction',
@@ skipping 15 matching lines @@
       defaultsTo: null);
   parser.addOption('start-page',
       help: 'By default the viewer will start at the SDK introduction page. '
         'To start at some other page, e.g. for a package, provide the name '
         'of the package in this argument, e.g. --start-page=intl will make '
         'the start page of the viewer be the intl package.',
         defaultsTo: null);
 
   return parser;
 }