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), [], None)
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.items():
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)
def _ShowCompiledFile(self, parsed_url, head, body):
"""Show the compiled version of a json or idl file given the path to the
compiled file.
"""
api_model = model.Model()
request_path = self._GetRequestPath(parsed_url)
(file_root, file_ext) = os.path.splitext(request_path)
(filedir, filename) = os.path.split(file_root)
schema_loader = SchemaLoader("./",
filedir,
self.server.include_rules,
self.server.cpp_namespace_pattern)
try:
# Get main file.
namespace = schema_loader.ResolveNamespace(filename)
type_generator = cpp_type_generator.CppTypeGenerator(
api_model,
schema_loader,
namespace)
# Generate code
cpp_namespace = 'generated_api_schemas'
if file_ext == '.h':
cpp_code = (h_generator.HGenerator(type_generator)
.Generate(namespace).Render())
elif file_ext == '.cc':
cpp_code = (cc_generator.CCGenerator(type_generator)
.Generate(namespace).Render())
else:
self.send_error(404, "File not found: %s" % request_path)
return
# Do highlighting on the generated code
(highlighter_param, style_param) = self._GetHighlighterParams(parsed_url)
head.Append('<style>' +
self.server.highlighters[highlighter_param].GetCSS(style_param) +
'</style>')
body.Append(self.server.highlighters[highlighter_param]
.GetCodeElement(cpp_code, style_param))
except IOError:
self.send_error(404, "File not found: %s" % request_path)
return
except (TypeError, KeyError, AttributeError,
AssertionError, NotImplementedError) as error:
body.Append('<pre>')
body.Append('compiler error: %s' % error)
body.Append('Check server log for more details')
body.Append('</pre>')
raise
def _LoadNamespace(filename):
filename = os.path.join(os.path.dirname(__file__), filename)
schema_loader = SchemaLoader(
os.path.dirname(os.path.relpath(os.path.normpath(filename),
os.path.dirname(filename))),
os.path.dirname(filename))
schema = os.path.normpath(filename)
api_def = schema_loader.LoadSchema(os.path.split(schema)[1])[0]
api_model = Model()
relpath = os.path.relpath(os.path.normpath(filename),
os.path.dirname(filename))
namespace = api_model.AddNamespace(api_def, relpath)
generator = ppapi_generator._PpapiGeneratorBase(namespace)
return namespace, generator
def ResolveNamespace(self, full_namespace):
'''Returns the model.Namespace object associated with the |full_namespace|,
or None if one can't be found.
'''
filenames = _GenerateFilenames(full_namespace)
for path, cpp_namespace in self._include_rules:
cpp_namespace_environment = None
if cpp_namespace:
cpp_namespace_environment = CppNamespaceEnvironment(cpp_namespace)
for filename in reversed(filenames):
filepath = os.path.join(path, filename);
if os.path.exists(os.path.join(self._root, filepath)):
schema = SchemaLoader(self._root).LoadSchema(filepath)[0]
return Model().AddNamespace(
schema,
filepath,
environment=cpp_namespace_environment)
return None
def GenerateSchema(generator_name,
file_paths,
root,
destdir,
cpp_namespace_pattern,
bundle_name,
impl_dir,
include_rules):
# Merge the source files into a single list of schemas.
api_defs = []
for file_path in file_paths:
schema = os.path.relpath(file_path, root)
api_def = SchemaLoader(root).LoadSchema(schema)
# If compiling the C++ model code, delete 'nocompile' nodes.
if generator_name == 'cpp':
api_def = json_schema.DeleteNodes(api_def, 'nocompile')
# Delete all 'nodefine' nodes. They are only for documentation.
api_def = json_schema.DeleteNodes(api_def, 'nodefine')
api_defs.extend(api_def)
api_model = Model(allow_inline_enums=False)
# For single-schema compilation make sure that the first (i.e. only) schema
# is the default one.
default_namespace = None
# If we have files from multiple source paths, we'll use the common parent
# path as the source directory.
src_path = None
# Load the actual namespaces into the model.
for target_namespace, file_path in zip(api_defs, file_paths):
relpath = os.path.relpath(os.path.normpath(file_path), root)
namespace = api_model.AddNamespace(target_namespace,
relpath,
include_compiler_options=True,
environment=CppNamespaceEnvironment(
cpp_namespace_pattern))
if default_namespace is None:
default_namespace = namespace
if src_path is None:
src_path = namespace.source_file_dir
else:
src_path = os.path.commonprefix((src_path, namespace.source_file_dir))
_, filename = os.path.split(file_path)
filename_base, _ = os.path.splitext(filename)
# Construct the type generator with all the namespaces in this model.
schema_dir = os.path.dirname(os.path.relpath(file_paths[0], root))
namespace_resolver = NamespaceResolver(root, schema_dir,
include_rules, cpp_namespace_pattern)
type_generator = CppTypeGenerator(api_model,
namespace_resolver,
default_namespace)
if generator_name in ('cpp-bundle-registration', 'cpp-bundle-schema'):
cpp_bundle_generator = CppBundleGenerator(root,
api_model,
api_defs,
type_generator,
cpp_namespace_pattern,
bundle_name,
src_path,
impl_dir)
if generator_name == 'cpp-bundle-registration':
generators = [
('generated_api_registration.cc',
cpp_bundle_generator.api_cc_generator),
('generated_api_registration.h', cpp_bundle_generator.api_h_generator),
]
elif generator_name == 'cpp-bundle-schema':
generators = [
('generated_schemas.cc', cpp_bundle_generator.schemas_cc_generator),
('generated_schemas.h', cpp_bundle_generator.schemas_h_generator)
]
elif generator_name == 'cpp':
cpp_generator = CppGenerator(type_generator)
generators = [
('%s.h' % filename_base, cpp_generator.h_generator),
('%s.cc' % filename_base, cpp_generator.cc_generator)
]
elif generator_name == 'externs':
generators = [
('%s_externs.js' % namespace.unix_name, JsExternsGenerator())
]
elif generator_name == 'interface':
generators = [
('%s_interface.js' % namespace.unix_name, JsInterfaceGenerator())
]
else:
raise Exception('Unrecognised generator %s' % generator_name)
output_code = []
for filename, generator in generators:
code = generator.Generate(namespace).Render()
if destdir:
if generator_name == 'cpp-bundle-registration':
# Function registrations must be output to impl_dir, since they link in
# API implementations.
output_dir = os.path.join(destdir, impl_dir)
else:
output_dir = os.path.join(destdir, src_path)
if not os.path.exists(output_dir):
os.makedirs(output_dir)
with open(os.path.join(output_dir, filename), 'w') as f:
f.write(code)
# If multiple files are being output, add the filename for each file.
if len(generators) > 1:
output_code += [filename, '', code, '']
else:
output_code += [code]
return '\n'.join(output_code)
def GenerateSchema(generator, filenames, root, destdir, root_namespace,
dart_overrides_dir):
schema_loader = SchemaLoader(
os.path.dirname(os.path.relpath(os.path.normpath(filenames[0]), root)),
os.path.dirname(filenames[0]))
# Merge the source files into a single list of schemas.
api_defs = []
for filename in filenames:
schema = os.path.normpath(filename)
api_def = schema_loader.LoadSchema(os.path.split(schema)[1])
# If compiling the C++ model code, delete 'nocompile' nodes.
if generator == 'cpp':
api_def = json_schema.DeleteNodes(api_def, 'nocompile')
api_defs.extend(api_def)
api_model = Model()
# For single-schema compilation make sure that the first (i.e. only) schema
# is the default one.
default_namespace = None
# Load the actual namespaces into the model.
for target_namespace, schema_filename in zip(api_defs, filenames):
relpath = os.path.relpath(os.path.normpath(schema_filename), root)
namespace = api_model.AddNamespace(target_namespace,
relpath,
include_compiler_options=True)
if default_namespace is None:
default_namespace = namespace
path, filename = os.path.split(schema_filename)
short_filename, extension = os.path.splitext(filename)
# Filenames are checked against the unix_names of the namespaces they
# generate because the gyp uses the names of the JSON files to generate
# the names of the .cc and .h files. We want these to be using unix_names.
if namespace.unix_name != short_filename:
sys.exit(
"Filename %s is illegal. Name files using unix_hacker style." %
schema_filename)
# Construct the type generator with all the namespaces in this model.
type_generator = CppTypeGenerator(api_model,
schema_loader,
default_namespace=default_namespace)
if generator == 'cpp-bundle':
cpp_bundle_generator = CppBundleGenerator(root, api_model, api_defs,
type_generator,
root_namespace)
generators = [
('generated_api.cc', cpp_bundle_generator.api_cc_generator),
('generated_api.h', cpp_bundle_generator.api_h_generator),
('generated_schemas.cc',
cpp_bundle_generator.schemas_cc_generator),
('generated_schemas.h', cpp_bundle_generator.schemas_h_generator)
]
elif generator == 'cpp':
cpp_generator = CppGenerator(type_generator, root_namespace)
generators = [
('%s.h' % namespace.unix_name, cpp_generator.h_generator),
('%s.cc' % namespace.unix_name, cpp_generator.cc_generator)
]
elif generator == 'dart':
generators = [('%s.dart' % namespace.unix_name,
DartGenerator(dart_overrides_dir))]
else:
raise Exception('Unrecognised generator %s' % generator)
output_code = []
for filename, generator in generators:
code = generator.Generate(namespace).Render()
if destdir:
with open(
os.path.join(destdir, namespace.source_file_dir, filename),
'w') as f:
f.write(code)
output_code += [filename, '', code, '']
return '\n'.join(output_code)
def GenerateSchema(generator, filenames, root, destdir, root_namespace,
dart_overrides_dir, impl_dir):
# Merge the source files into a single list of schemas.
api_defs = []
for filename in filenames:
schema = os.path.normpath(filename)
schema_loader = SchemaLoader(
os.path.dirname(os.path.relpath(os.path.normpath(filename), root)),
os.path.dirname(filename))
api_def = schema_loader.LoadSchema(os.path.split(schema)[1])
# If compiling the C++ model code, delete 'nocompile' nodes.
if generator == 'cpp':
api_def = json_schema.DeleteNodes(api_def, 'nocompile')
api_defs.extend(api_def)
api_model = Model()
# For single-schema compilation make sure that the first (i.e. only) schema
# is the default one.
default_namespace = None
# If we have files from multiple source paths, we'll use the common parent
# path as the source directory.
src_path = None
# Load the actual namespaces into the model.
for target_namespace, schema_filename in zip(api_defs, filenames):
relpath = os.path.relpath(os.path.normpath(schema_filename), root)
namespace = api_model.AddNamespace(target_namespace,
relpath,
include_compiler_options=True)
if default_namespace is None:
default_namespace = namespace
if src_path is None:
src_path = namespace.source_file_dir
else:
src_path = os.path.commonprefix(
(src_path, namespace.source_file_dir))
path, filename = os.path.split(schema_filename)
short_filename, extension = os.path.splitext(filename)
# Construct the type generator with all the namespaces in this model.
type_generator = CppTypeGenerator(api_model,
schema_loader,
default_namespace=default_namespace)
if generator == 'cpp-bundle':
cpp_bundle_generator = CppBundleGenerator(root, api_model, api_defs,
type_generator,
root_namespace, src_path,
impl_dir)
generators = [
('generated_api.cc', cpp_bundle_generator.api_cc_generator),
('generated_api.h', cpp_bundle_generator.api_h_generator),
('generated_schemas.cc',
cpp_bundle_generator.schemas_cc_generator),
('generated_schemas.h', cpp_bundle_generator.schemas_h_generator)
]
elif generator == 'cpp':
cpp_generator = CppGenerator(type_generator, root_namespace)
generators = [('%s.h' % short_filename, cpp_generator.h_generator),
('%s.cc' % short_filename, cpp_generator.cc_generator)]
elif generator == 'dart':
generators = [('%s.dart' % namespace.unix_name,
DartGenerator(dart_overrides_dir))]
elif generator == 'ppapi':
generator = PpapiGenerator()
generators = [
(os.path.join('api', 'ppb_%s.idl' % namespace.unix_name),
generator.idl_generator),
]
else:
raise Exception('Unrecognised generator %s' % generator)
output_code = []
for filename, generator in generators:
code = generator.Generate(namespace).Render()
if destdir:
output_dir = os.path.join(destdir, src_path)
if not os.path.exists(output_dir):
os.makedirs(output_dir)
with open(os.path.join(output_dir, filename), 'w') as f:
f.write(code)
output_code += [filename, '', code, '']
return '\n'.join(output_code)
