diff options
| author | DHNishi@gmail.com <DHNishi@gmail.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2013-10-03 20:10:30 +0000 |
|---|---|---|
| committer | DHNishi@gmail.com <DHNishi@gmail.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2013-10-03 20:10:30 +0000 |
| commit | 3111f6d91219d56d2e594fc6b3d012bab1056986 (patch) | |
| tree | 69c9639f0e2328d3c40ec7706b6e279aabe82cfb /tools/json_schema_compiler/features_compiler.py | |
| parent | 5fad4e034b611f794326eb6298516ba5dc1631b4 (diff) | |
| download | chromium_src-3111f6d91219d56d2e594fc6b3d012bab1056986.zip chromium_src-3111f6d91219d56d2e594fc6b3d012bab1056986.tar.gz chromium_src-3111f6d91219d56d2e594fc6b3d012bab1056986.tar.bz2 | |
This is a preliminary patch to auto-generate the ID enum in APIPermission.
permission_features.h: https://gist.github.com/DHNishi/2014be18e7912916ea25
permission_features.cc: https://gist.github.com/DHNishi/b78bc9588b2d7a46331d
BUG=280286
Review URL: https://codereview.chromium.org/23594008
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226826 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'tools/json_schema_compiler/features_compiler.py')
| -rwxr-xr-x | tools/json_schema_compiler/features_compiler.py | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/tools/json_schema_compiler/features_compiler.py b/tools/json_schema_compiler/features_compiler.py new file mode 100755 index 0000000..1e4e81a --- /dev/null +++ b/tools/json_schema_compiler/features_compiler.py @@ -0,0 +1,76 @@ +#!/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 |