Revert 226826 "This is a preliminary patch to auto-generate the ..."

trunk/src/tools/json_schema_compiler/features_compiler.py

-#!/usr/bin/env python
-# Copyright 2013 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-"""Generator for C++ features from json files.
-
-Usage example:
-  features_compiler.py --destdir gen --root /home/Work/src _permissions.json
-"""
-
-import optparse
-import os
-
-from schema_loader import SchemaLoader
-from features_cc_generator import CCGenerator
-from features_h_generator import HGenerator
-from model import CreateFeature
-
-
-def _GenerateSchema(filename, root, destdir, namespace):
-  """Generates C++ features files from the json file |filename|.
-  """
-  # Load in the feature permissions from the JSON file.
-  schema = os.path.normpath(filename)
-  schema_loader = SchemaLoader(os.path.dirname(os.path.relpath(schema, root)),
-    os.path.dirname(schema))
-  schema_filename = os.path.splitext(schema)[0]
-  feature_defs = schema_loader.LoadSchema(schema)
-
-  # Generate a list of the features defined and a list of their models.
-  feature_list = []
-  for feature_def, feature in feature_defs.iteritems():
-    feature_list.append(CreateFeature(feature_def, feature))
-
-  source_file_dir, _ = os.path.split(schema)
-  relpath = os.path.relpath(os.path.normpath(source_file_dir), root)
-  full_path = os.path.join(relpath, schema)
-
-  generators = [
-      ('%s.cc' % schema_filename, CCGenerator()),
-      ('%s.h' % schema_filename, HGenerator())
-  ]
-
-  # Generate and output the code for all features.
-  output_code = []
-  for filename, generator in generators:
-    code = generator.Generate(feature_list, full_path, namespace).Render()
-    if destdir:
-      with open(os.path.join(destdir, relpath, filename), 'w') as f:
-        f.write(code)
-    output_code += [filename, '', code, '']
-
-  return '\n'.join(output_code)
-
-
-if __name__ == '__main__':
-  parser = optparse.OptionParser(
-      description='Generates a C++ features model from JSON schema',
-      usage='usage: %prog [option]... schema')
-  parser.add_option('-r', '--root', default='.',
-      help='logical include root directory. Path to schema files from '
-           'specified dir will be the include path.')
-  parser.add_option('-d', '--destdir',
-      help='root directory to output generated files.')
-  parser.add_option('-n', '--namespace', default='generated_features',
-      help='C++ namespace for generated files. e.g extensions::api.')
-  (opts, filenames) = parser.parse_args()
-
-  # Only one file is currently specified.
-  if len(filenames) != 1:
-    raise ValueError('One (and only one) file is required (for now).')
-
-  result = _GenerateSchema(filenames[0], opts.root, opts.destdir,
-                           opts.namespace)
-  if not opts.destdir:
-    print result