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#!/usr/bin/env python
#
# Copyright (C) 2020 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
"""Generates xml of NDK libraries used for API coverage analysis."""
import argparse
import json
import os
import sys
from xml.etree.ElementTree import Element, SubElement, tostring
from symbolfile import ALL_ARCHITECTURES, FUTURE_API_LEVEL, MultiplyDefinedSymbolError, SymbolFileParser
ROOT_ELEMENT_TAG = 'ndk-library'
SYMBOL_ELEMENT_TAG = 'symbol'
ARCHITECTURE_ATTRIBUTE_KEY = 'arch'
DEPRECATED_ATTRIBUTE_KEY = 'is_deprecated'
PLATFORM_ATTRIBUTE_KEY = 'is_platform'
NAME_ATTRIBUTE_KEY = 'name'
VARIABLE_TAG = 'var'
EXPOSED_TARGET_TAGS = (
'vndk',
'apex',
'llndk',
)
API_LEVEL_TAG_PREFIXES = (
'introduced=',
'introduced-',
)
def parse_tags(tags):
"""Parses tags and save needed tags in the created attributes.
Return attributes dictionary.
"""
attributes = {}
arch = []
for tag in tags:
if tag.startswith(tuple(API_LEVEL_TAG_PREFIXES)):
key, _, value = tag.partition('=')
attributes.update({key: value})
elif tag in ALL_ARCHITECTURES:
arch.append(tag)
elif tag in EXPOSED_TARGET_TAGS:
attributes.update({tag: 'True'})
attributes.update({ARCHITECTURE_ATTRIBUTE_KEY: ','.join(arch)})
return attributes
class XmlGenerator(object):
"""Output generator that writes parsed symbol file to a xml file."""
def __init__(self, output_file):
self.output_file = output_file
def convertToXml(self, versions):
"""Writes all symbol data to the output file."""
root = Element(ROOT_ELEMENT_TAG)
for version in versions:
if VARIABLE_TAG in version.tags:
continue
version_attributes = parse_tags(version.tags)
_, _, postfix = version.name.partition('_')
is_platform = postfix == 'PRIVATE' or postfix == 'PLATFORM'
is_deprecated = postfix == 'DEPRECATED'
version_attributes.update({PLATFORM_ATTRIBUTE_KEY: str(is_platform)})
version_attributes.update({DEPRECATED_ATTRIBUTE_KEY: str(is_deprecated)})
for symbol in version.symbols:
if VARIABLE_TAG in symbol.tags:
continue
attributes = {NAME_ATTRIBUTE_KEY: symbol.name}
attributes.update(version_attributes)
# If same version tags already exist, it will be overwrite here.
attributes.update(parse_tags(symbol.tags))
SubElement(root, SYMBOL_ELEMENT_TAG, attributes)
return root
def write_xml_to_file(self, root):
"""Write xml element root to output_file."""
parsed_data = tostring(root)
output_file = open(self.output_file, "wb")
output_file.write(parsed_data)
def write(self, versions):
root = self.convertToXml(versions)
self.write_xml_to_file(root)
def parse_args():
"""Parses and returns command line arguments."""
parser = argparse.ArgumentParser()
parser.add_argument('symbol_file', type=os.path.realpath, help='Path to symbol file.')
parser.add_argument(
'output_file', type=os.path.realpath,
help='The output parsed api coverage file.')
parser.add_argument(
'--api-map', type=os.path.realpath, required=True,
help='Path to the API level map JSON file.')
return parser.parse_args()
def main():
"""Program entry point."""
args = parse_args()
with open(args.api_map) as map_file:
api_map = json.load(map_file)
with open(args.symbol_file) as symbol_file:
try:
versions = SymbolFileParser(symbol_file, api_map, "", FUTURE_API_LEVEL,
True, True).parse()
except MultiplyDefinedSymbolError as ex:
sys.exit('{}: error: {}'.format(args.symbol_file, ex))
generator = XmlGenerator(args.output_file)
generator.write(versions)
if __name__ == '__main__':
main()
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