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This commit is contained in:
parent
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commit
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# Copyright 2014 Google Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""A pure Python implementation of the JSON5 configuration language."""
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from .lib import dump, dumps, load, loads
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from .version import VERSION
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__all__ = [
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'VERSION',
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'dump',
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'dumps',
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'load',
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'loads',
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]
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@ -1,20 +0,0 @@
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# Copyright 2014 Google Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys # pragma: no cover
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from .tool import main # pragma: no cover
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if __name__ == '__main__': # pragma: no cover
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sys.exit(main())
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@ -1,61 +0,0 @@
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# Copyright 2015 Google Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import argparse
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class _Bailout(Exception):
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pass
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class ArgumentParser(argparse.ArgumentParser):
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SUPPRESS = argparse.SUPPRESS
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def __init__(self, host, prog, desc, **kwargs):
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kwargs['prog'] = prog
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kwargs['description'] = desc
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kwargs['formatter_class'] = argparse.RawDescriptionHelpFormatter
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super(ArgumentParser, self).__init__(**kwargs)
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self._host = host
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self.exit_status = None
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self.add_argument('-V', '--version', action='store_true',
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help='print the version and exit')
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def parse_args(self, args=None, namespace=None):
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try:
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rargs = super(ArgumentParser, self).parse_args(args=args,
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namespace=namespace)
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except _Bailout:
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return None
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return rargs
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# Redefining built-in 'file' pylint: disable=W0622
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def _print_message(self, msg, file=None):
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self._host.print_(msg=msg, stream=file, end='\n')
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def print_help(self, file=None):
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self._print_message(msg=self.format_help(), file=file)
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def error(self, message, bailout=True): # pylint: disable=W0221
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self.exit(2, '%s: error: %s\n' % (self.prog, message), bailout=bailout)
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def exit(self, status=0, message=None, # pylint: disable=W0221
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bailout=True):
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self.exit_status = status
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if message:
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self._print_message(message, file=self._host.stderr)
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if bailout:
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raise _Bailout()
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@ -1,57 +0,0 @@
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# Copyright 2014 Google Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import shutil
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import sys
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import tempfile
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if sys.version_info[0] < 3:
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# pylint: disable=redefined-builtin, invalid-name
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str = unicode
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class Host(object):
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def __init__(self):
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self.stdin = sys.stdin
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self.stdout = sys.stdout
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self.stderr = sys.stderr
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def chdir(self, *comps):
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return os.chdir(self.join(*comps))
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def getcwd(self):
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return os.getcwd()
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def join(self, *comps):
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return os.path.join(*comps)
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def mkdtemp(self, **kwargs):
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return tempfile.mkdtemp(**kwargs)
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def print_(self, msg=u'', end=u'\n', stream=None):
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stream = stream or self.stdout
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stream.write(str(msg) + end)
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stream.flush()
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def rmtree(self, path):
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shutil.rmtree(path, ignore_errors=True)
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def read_text_file(self, path):
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with open(path, 'rb') as fp:
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return fp.read().decode('utf8')
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def write_text_file(self, path, contents):
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with open(path, 'wb') as f:
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f.write(contents.encode('utf8'))
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@ -1,510 +0,0 @@
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# Copyright 2015 Google Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import math
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import re
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import sys
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import unicodedata
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from .parser import Parser
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if sys.version_info[0] < 3:
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str = unicode # pylint: disable=redefined-builtin, invalid-name
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else:
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long = int # pylint: disable=redefined-builtin, invalid-name
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def load(fp, encoding=None, cls=None, object_hook=None, parse_float=None,
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parse_int=None, parse_constant=None, object_pairs_hook=None,
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allow_duplicate_keys=True):
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"""Deserialize ``fp`` (a ``.read()``-supporting file-like object
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containing a JSON document) to a Python object.
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Supports almost the same arguments as ``json.load()`` except that:
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- the `cls` keyword is ignored.
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- an extra `allow_duplicate_keys` parameter supports checking for
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duplicate keys in a object; by default, this is True for
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compatibility with ``json.load()``, but if set to False and
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the object contains duplicate keys, a ValueError will be raised.
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"""
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s = fp.read()
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return loads(s, encoding=encoding, cls=cls, object_hook=object_hook,
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parse_float=parse_float, parse_int=parse_int,
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parse_constant=parse_constant,
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object_pairs_hook=object_pairs_hook,
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allow_duplicate_keys=allow_duplicate_keys)
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def loads(s, encoding=None, cls=None, object_hook=None, parse_float=None,
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parse_int=None, parse_constant=None, object_pairs_hook=None,
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allow_duplicate_keys=True):
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"""Deserialize ``s`` (a ``str`` or ``unicode`` instance containing a
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JSON5 document) to a Python object.
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Supports the same arguments as ``json.load()`` except that:
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- the `cls` keyword is ignored.
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- an extra `allow_duplicate_keys` parameter supports checking for
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duplicate keys in a object; by default, this is True for
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compatibility with ``json.load()``, but if set to False and
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the object contains duplicate keys, a ValueError will be raised.
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"""
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assert cls is None, 'Custom decoders are not supported'
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if sys.version_info[0] < 3:
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decodable_type = type('')
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else:
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decodable_type = type(b'')
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if isinstance(s, decodable_type):
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encoding = encoding or 'utf-8'
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s = s.decode(encoding)
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if not s:
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raise ValueError('Empty strings are not legal JSON5')
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parser = Parser(s, '<string>')
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ast, err, _ = parser.parse()
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if err:
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raise ValueError(err)
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def _fp_constant_parser(s):
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return float(s.replace('Infinity', 'inf').replace('NaN', 'nan'))
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if object_pairs_hook:
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dictify = object_pairs_hook
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elif object_hook:
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dictify = lambda pairs: object_hook(dict(pairs))
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else:
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dictify = lambda pairs: dict(pairs) # pylint: disable=unnecessary-lambda
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if not allow_duplicate_keys:
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_orig_dictify = dictify
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dictify = lambda pairs: _reject_duplicate_keys(pairs, _orig_dictify)
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parse_float = parse_float or float
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parse_int = parse_int or int
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parse_constant = parse_constant or _fp_constant_parser
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return _walk_ast(ast, dictify, parse_float, parse_int, parse_constant)
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def _reject_duplicate_keys(pairs, dictify):
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keys = set()
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for key, _ in pairs:
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if key in keys:
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raise ValueError('Duplicate key "%s" found in object', key)
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keys.add(key)
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return dictify(pairs)
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def _walk_ast(el, dictify, parse_float, parse_int, parse_constant):
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if el == 'None':
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return None
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if el == 'True':
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return True
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if el == 'False':
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return False
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ty, v = el
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if ty == 'number':
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if v.startswith('0x') or v.startswith('0X'):
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return parse_int(v, base=16)
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elif '.' in v or 'e' in v or 'E' in v:
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return parse_float(v)
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elif 'Infinity' in v or 'NaN' in v:
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return parse_constant(v)
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else:
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return parse_int(v)
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if ty == 'string':
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return v
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if ty == 'object':
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pairs = []
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for key, val_expr in v:
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val = _walk_ast(val_expr, dictify, parse_float, parse_int,
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parse_constant)
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pairs.append((key, val))
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return dictify(pairs)
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if ty == 'array':
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return [_walk_ast(el, dictify, parse_float, parse_int, parse_constant)
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for el in v]
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raise Exception('unknown el: ' + el) # pragma: no cover
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def dump(obj, fp, skipkeys=False, ensure_ascii=True, check_circular=True,
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allow_nan=True, cls=None, indent=None, separators=None,
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default=None, sort_keys=False,
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quote_keys=False, trailing_commas=True,
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allow_duplicate_keys=True,
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**kwargs):
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"""Serialize ``obj`` to a JSON5-formatted stream to ``fp`` (a ``.write()``-
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supporting file-like object).
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Supports the same arguments as ``json.dumps()``, except that:
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- The ``cls`` keyword is not supported.
|
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- The ``encoding`` keyword is ignored; Unicode strings are always written.
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||||
- By default, object keys that are legal identifiers are not quoted;
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if you pass quote_keys=True, they will be.
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- By default, if lists and objects span multiple lines of output (i.e.,
|
||||
when ``indent`` >=0), the last item will have a trailing comma
|
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after it. If you pass ``trailing_commas=False, it will not.
|
||||
- If you use a number, a boolean, or None as a key value in a dict,
|
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it will be converted to the corresponding json string value, e.g.
|
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"1", "true", or "null". By default, dump() will match the `json`
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modules behavior and produce ill-formed JSON if you mix keys of
|
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different types that have the same converted value, e.g.:
|
||||
{1: "foo", "1": "bar"} produces '{"1": "foo", "1": "bar"}', an
|
||||
object with duplicated keys. If you pass allow_duplicate_keys=False,
|
||||
an exception will be raised instead.
|
||||
|
||||
Calling ``dumps(obj, fp, quote_keys=True, trailing_commas=False,
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||||
allow_duplicate_keys=True)``
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should produce exactly the same output as ``json.dumps(obj, fp).``
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"""
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fp.write(str(dumps(obj=obj, skipkeys=skipkeys, ensure_ascii=ensure_ascii,
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check_circular=check_circular, allow_nan=allow_nan,
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cls=cls, indent=indent, separators=separators,
|
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default=default, sort_keys=sort_keys,
|
||||
quote_keys=quote_keys, trailing_commas=trailing_commas,
|
||||
allow_duplicate_keys=allow_duplicate_keys)))
|
||||
|
||||
|
||||
def dumps(obj, skipkeys=False, ensure_ascii=True, check_circular=True,
|
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allow_nan=True, cls=None, indent=None, separators=None,
|
||||
default=None, sort_keys=False,
|
||||
quote_keys=False, trailing_commas=True, allow_duplicate_keys=True,
|
||||
**kwargs):
|
||||
"""Serialize ``obj`` to a JSON5-formatted ``str``.
|
||||
|
||||
Supports the same arguments as ``json.dumps()``, except that:
|
||||
|
||||
- The ``cls`` keyword is not supported.
|
||||
- The ``encoding`` keyword is ignored; Unicode strings are always returned.
|
||||
- By default, object keys that are legal identifiers are not quoted;
|
||||
if you pass quote_keys=True, they will be.
|
||||
- By default, if lists and objects span multiple lines of output (i.e.,
|
||||
when ``indent`` >=0), the last item will have a trailing comma
|
||||
after it. If you pass ``trailing_commas=False, it will not.
|
||||
- If you use a number, a boolean, or None as a key value in a dict,
|
||||
it will be converted to the corresponding json string value, e.g.
|
||||
"1", "true", or "null". By default, dump() will match the ``json``
|
||||
module's behavior and produce ill-formed JSON if you mix keys of
|
||||
different types that have the same converted value, e.g.:
|
||||
{1: "foo", "1": "bar"} produces '{"1": "foo", "1": "bar"}', an
|
||||
object with duplicated keys. If you pass ``allow_duplicate_keys=False``,
|
||||
an exception will be raised instead.
|
||||
|
||||
|
||||
Calling ``dumps(obj, quote_keys=True, trailing_commas=False,
|
||||
allow_duplicate_keys=True)``
|
||||
should produce exactly the same output as ``json.dumps(obj).``
|
||||
"""
|
||||
|
||||
assert kwargs.get('cls', None) is None, 'Custom encoders are not supported'
|
||||
|
||||
if separators is None:
|
||||
if indent is None:
|
||||
separators = (u', ', u': ')
|
||||
else:
|
||||
separators = (u',', u': ')
|
||||
|
||||
default = default or _raise_type_error
|
||||
|
||||
if check_circular:
|
||||
seen = set()
|
||||
else:
|
||||
seen = None
|
||||
|
||||
level = 1
|
||||
is_key = False
|
||||
|
||||
_, v = _dumps(obj, skipkeys, ensure_ascii, check_circular,
|
||||
allow_nan, indent, separators, default, sort_keys,
|
||||
quote_keys, trailing_commas, allow_duplicate_keys,
|
||||
seen, level, is_key)
|
||||
return v
|
||||
|
||||
|
||||
def _dumps(obj, skipkeys, ensure_ascii, check_circular, allow_nan, indent,
|
||||
separators, default, sort_keys,
|
||||
quote_keys, trailing_commas, allow_duplicate_keys,
|
||||
seen, level, is_key):
|
||||
s = None
|
||||
if obj is True:
|
||||
s = u'true'
|
||||
if obj is False:
|
||||
s = u'false'
|
||||
if obj is None:
|
||||
s = u'null'
|
||||
|
||||
t = type(obj)
|
||||
if t == type('') or t == type(u''):
|
||||
if (is_key and _is_ident(obj) and not quote_keys
|
||||
and not _is_reserved_word(obj)):
|
||||
return True, obj
|
||||
return True, _dump_str(obj, ensure_ascii)
|
||||
if t is float:
|
||||
s = _dump_float(obj, allow_nan)
|
||||
if t is int:
|
||||
s = str(obj)
|
||||
|
||||
if is_key:
|
||||
if s is not None:
|
||||
return True, '"%s"' % s
|
||||
if skipkeys:
|
||||
return False, None
|
||||
raise TypeError('invalid key %s' % repr(obj))
|
||||
|
||||
if s is not None:
|
||||
return True, s
|
||||
|
||||
if indent is not None:
|
||||
end_str = ''
|
||||
if trailing_commas:
|
||||
end_str = ','
|
||||
if type(indent) == int:
|
||||
if indent > 0:
|
||||
indent_str = '\n' + ' ' * indent * level
|
||||
end_str += '\n' + ' ' * indent * (level - 1)
|
||||
else:
|
||||
indent_str = '\n'
|
||||
end_str += '\n'
|
||||
else:
|
||||
indent_str = '\n' + indent * level
|
||||
end_str += '\n' + indent * (level - 1)
|
||||
else:
|
||||
indent_str = ''
|
||||
end_str = ''
|
||||
|
||||
item_sep, kv_sep = separators
|
||||
item_sep += indent_str
|
||||
level += 1
|
||||
|
||||
if seen is not None:
|
||||
i = id(obj)
|
||||
if i in seen:
|
||||
raise ValueError('Circular reference detected.')
|
||||
else:
|
||||
seen.add(i)
|
||||
|
||||
# In Python3, we'd check if this was an abc.Mapping or an abc.Sequence.
|
||||
# For now, just check for the attrs we need to iterate over the object.
|
||||
if hasattr(t, 'keys') and hasattr(t, '__getitem__'):
|
||||
s = _dump_dict(obj, skipkeys, ensure_ascii,
|
||||
check_circular, allow_nan, indent,
|
||||
separators, default, sort_keys,
|
||||
quote_keys, trailing_commas,
|
||||
allow_duplicate_keys, seen, level,
|
||||
item_sep, kv_sep, indent_str, end_str)
|
||||
elif hasattr(t, '__getitem__') and hasattr(t, '__iter__'):
|
||||
s = _dump_array(obj, skipkeys, ensure_ascii,
|
||||
check_circular, allow_nan, indent,
|
||||
separators, default, sort_keys,
|
||||
quote_keys, trailing_commas,
|
||||
allow_duplicate_keys, seen, level,
|
||||
item_sep, indent_str, end_str)
|
||||
else:
|
||||
s = default(obj)
|
||||
|
||||
if seen is not None:
|
||||
seen.remove(i)
|
||||
return False, s
|
||||
|
||||
|
||||
def _dump_dict(obj, skipkeys, ensure_ascii, check_circular, allow_nan,
|
||||
indent, separators, default, sort_keys,
|
||||
quote_keys, trailing_commas, allow_duplicate_keys,
|
||||
seen, level, item_sep, kv_sep, indent_str, end_str):
|
||||
if not obj:
|
||||
return u'{}'
|
||||
|
||||
if sort_keys:
|
||||
keys = sorted(obj.keys())
|
||||
else:
|
||||
keys = obj.keys()
|
||||
|
||||
s = u'{' + indent_str
|
||||
|
||||
num_items_added = 0
|
||||
new_keys = set()
|
||||
for key in keys:
|
||||
valid_key, key_str = _dumps(key, skipkeys, ensure_ascii, check_circular,
|
||||
allow_nan, indent, separators, default,
|
||||
sort_keys,
|
||||
quote_keys, trailing_commas,
|
||||
allow_duplicate_keys,
|
||||
seen, level, is_key=True)
|
||||
if valid_key:
|
||||
if not allow_duplicate_keys:
|
||||
if key_str in new_keys:
|
||||
raise ValueError('duplicate key %s' % repr(key))
|
||||
else:
|
||||
new_keys.add(key_str)
|
||||
if num_items_added:
|
||||
s += item_sep
|
||||
s += key_str + kv_sep + _dumps(obj[key], skipkeys, ensure_ascii,
|
||||
check_circular, allow_nan, indent,
|
||||
separators, default, sort_keys,
|
||||
quote_keys, trailing_commas,
|
||||
allow_duplicate_keys,
|
||||
seen, level, is_key=False)[1]
|
||||
num_items_added += 1
|
||||
elif not skipkeys:
|
||||
raise TypeError('invalid key %s' % repr(key))
|
||||
|
||||
s += end_str + u'}'
|
||||
return s
|
||||
|
||||
|
||||
def _dump_array(obj, skipkeys, ensure_ascii, check_circular, allow_nan,
|
||||
indent, separators, default, sort_keys,
|
||||
quote_keys, trailing_commas, allow_duplicate_keys,
|
||||
seen, level, item_sep, indent_str, end_str):
|
||||
if not obj:
|
||||
return u'[]'
|
||||
return (u'[' + indent_str +
|
||||
item_sep.join([_dumps(el, skipkeys, ensure_ascii, check_circular,
|
||||
allow_nan, indent, separators, default,
|
||||
sort_keys, quote_keys, trailing_commas,
|
||||
allow_duplicate_keys,
|
||||
seen, level, False)[1] for el in obj]) +
|
||||
end_str + u']')
|
||||
|
||||
|
||||
def _dump_float(obj, allow_nan):
|
||||
if allow_nan:
|
||||
if math.isnan(obj):
|
||||
return 'NaN'
|
||||
if obj == float('inf'):
|
||||
return 'Infinity'
|
||||
if obj == float('-inf'):
|
||||
return '-Infinity'
|
||||
elif math.isnan(obj) or obj == float('inf') or obj == float('-inf'):
|
||||
raise ValueError('Out of range float values '
|
||||
'are not JSON compliant')
|
||||
return str(obj)
|
||||
|
||||
|
||||
def _dump_str(obj, ensure_ascii):
|
||||
ret = ['"']
|
||||
for ch in obj:
|
||||
if ch == '\\':
|
||||
ret.append('\\\\')
|
||||
elif ch == '"':
|
||||
ret.append('\\"')
|
||||
elif ch == u'\u2028':
|
||||
ret.append('\\u2028')
|
||||
elif ch == u'\u2029':
|
||||
ret.append('\\u2029')
|
||||
elif ch == '\n':
|
||||
ret.append('\\n')
|
||||
elif ch == '\r':
|
||||
ret.append('\\r')
|
||||
elif ch == '\b':
|
||||
ret.append('\\b')
|
||||
elif ch == '\f':
|
||||
ret.append('\\f')
|
||||
elif ch == '\t':
|
||||
ret.append('\\t')
|
||||
elif ch == '\v':
|
||||
ret.append('\\v')
|
||||
elif ch == '\0':
|
||||
ret.append('\\0')
|
||||
elif not ensure_ascii:
|
||||
ret.append(ch)
|
||||
else:
|
||||
o = ord(ch)
|
||||
if o >= 32 and o < 128:
|
||||
ret.append(ch)
|
||||
elif o < 65536:
|
||||
ret.append('\\u' + '%04x' % o)
|
||||
else:
|
||||
val = o - 0x10000
|
||||
high = 0xd800 + (val >> 10)
|
||||
low = 0xdc00 + (val & 0x3ff)
|
||||
ret.append('\\u%04x\\u%04x' % (high, low))
|
||||
return u''.join(ret) + '"'
|
||||
|
||||
|
||||
def _is_ident(k):
|
||||
k = str(k)
|
||||
if not k or not _is_id_start(k[0]) and k[0] not in (u'$', u'_'):
|
||||
return False
|
||||
for ch in k[1:]:
|
||||
if not _is_id_continue(ch) and ch not in (u'$', u'_'):
|
||||
return False
|
||||
return True
|
||||
|
||||
|
||||
def _is_id_start(ch):
|
||||
return unicodedata.category(ch) in (
|
||||
'Lu', 'Ll', 'Li', 'Lt', 'Lm', 'Lo', 'Nl')
|
||||
|
||||
|
||||
def _is_id_continue(ch):
|
||||
return unicodedata.category(ch) in (
|
||||
'Lu', 'Ll', 'Li', 'Lt', 'Lm', 'Lo', 'Nl', 'Nd', 'Mn', 'Mc', 'Pc')
|
||||
|
||||
|
||||
_reserved_word_re = None
|
||||
|
||||
|
||||
def _is_reserved_word(k):
|
||||
global _reserved_word_re
|
||||
|
||||
if _reserved_word_re is None:
|
||||
# List taken from section 7.6.1 of ECMA-262.
|
||||
_reserved_word_re = re.compile('(' + '|'.join([
|
||||
'break',
|
||||
'case',
|
||||
'catch',
|
||||
'class',
|
||||
'const',
|
||||
'continue',
|
||||
'debugger',
|
||||
'default',
|
||||
'delete',
|
||||
'do',
|
||||
'else',
|
||||
'enum',
|
||||
'export',
|
||||
'extends',
|
||||
'false',
|
||||
'finally',
|
||||
'for',
|
||||
'function',
|
||||
'if',
|
||||
'import',
|
||||
'in',
|
||||
'instanceof',
|
||||
'new',
|
||||
'null',
|
||||
'return',
|
||||
'super',
|
||||
'switch',
|
||||
'this',
|
||||
'throw',
|
||||
'true',
|
||||
'try',
|
||||
'typeof',
|
||||
'var',
|
||||
'void',
|
||||
'while',
|
||||
'with',
|
||||
]) + ')$')
|
||||
return _reserved_word_re.match(k) is not None
|
||||
|
||||
|
||||
def _raise_type_error(obj):
|
||||
raise TypeError('%s is not JSON5 serializable' % repr(obj))
|
||||
@ -1,894 +0,0 @@
|
||||
# pylint: disable=line-too-long,unnecessary-lambda
|
||||
|
||||
import sys
|
||||
|
||||
if sys.version_info[0] < 3:
|
||||
# pylint: disable=redefined-builtin,invalid-name
|
||||
chr = unichr
|
||||
range = xrange
|
||||
str = unicode
|
||||
|
||||
|
||||
class Parser(object):
|
||||
def __init__(self, msg, fname):
|
||||
self.msg = str(msg)
|
||||
self.end = len(self.msg)
|
||||
self.fname = fname
|
||||
self.val = None
|
||||
self.pos = 0
|
||||
self.failed = False
|
||||
self.errpos = 0
|
||||
self._scopes = []
|
||||
self._cache = {}
|
||||
|
||||
def parse(self):
|
||||
self._grammar_()
|
||||
if self.failed:
|
||||
return None, self._err_str(), self.errpos
|
||||
return self.val, None, self.pos
|
||||
|
||||
def _err_str(self):
|
||||
lineno, colno = self._err_offsets()
|
||||
if self.errpos == len(self.msg):
|
||||
thing = 'end of input'
|
||||
else:
|
||||
thing = '"%s"' % self.msg[self.errpos]
|
||||
return '%s:%d Unexpected %s at column %d' % (
|
||||
self.fname, lineno, thing, colno)
|
||||
|
||||
def _err_offsets(self):
|
||||
lineno = 1
|
||||
colno = 1
|
||||
for i in range(self.errpos):
|
||||
if self.msg[i] == '\n':
|
||||
lineno += 1
|
||||
colno = 1
|
||||
else:
|
||||
colno += 1
|
||||
return lineno, colno
|
||||
|
||||
def _succeed(self, v, newpos=None):
|
||||
self.val = v
|
||||
self.failed = False
|
||||
if newpos is not None:
|
||||
self.pos = newpos
|
||||
|
||||
def _fail(self):
|
||||
self.val = None
|
||||
self.failed = True
|
||||
if self.pos >= self.errpos:
|
||||
self.errpos = self.pos
|
||||
|
||||
def _rewind(self, newpos):
|
||||
self._succeed(None, newpos)
|
||||
|
||||
def _bind(self, rule, var):
|
||||
rule()
|
||||
if not self.failed:
|
||||
self._set(var, self.val)
|
||||
|
||||
def _not(self, rule):
|
||||
p = self.pos
|
||||
rule()
|
||||
if self.failed:
|
||||
self._succeed(None, p)
|
||||
else:
|
||||
self._rewind(p)
|
||||
self._fail()
|
||||
|
||||
def _opt(self, rule):
|
||||
p = self.pos
|
||||
rule()
|
||||
if self.failed:
|
||||
self._succeed([], p)
|
||||
else:
|
||||
self._succeed([self.val])
|
||||
|
||||
def _plus(self, rule):
|
||||
vs = []
|
||||
rule()
|
||||
vs.append(self.val)
|
||||
if self.failed:
|
||||
return
|
||||
self._star(rule, vs)
|
||||
|
||||
def _star(self, rule, vs=None):
|
||||
vs = vs or []
|
||||
while not self.failed:
|
||||
p = self.pos
|
||||
rule()
|
||||
if self.failed:
|
||||
self._rewind(p)
|
||||
if p < self.errpos:
|
||||
self.errpos = p
|
||||
break
|
||||
else:
|
||||
vs.append(self.val)
|
||||
self._succeed(vs)
|
||||
|
||||
def _seq(self, rules):
|
||||
for rule in rules:
|
||||
rule()
|
||||
if self.failed:
|
||||
return
|
||||
|
||||
def _choose(self, rules):
|
||||
p = self.pos
|
||||
for rule in rules[:-1]:
|
||||
rule()
|
||||
if not self.failed:
|
||||
return
|
||||
self._rewind(p)
|
||||
rules[-1]()
|
||||
|
||||
def _ch(self, ch):
|
||||
p = self.pos
|
||||
if p < self.end and self.msg[p] == ch:
|
||||
self._succeed(ch, self.pos + 1)
|
||||
else:
|
||||
self._fail()
|
||||
|
||||
def _str(self, s):
|
||||
for ch in s:
|
||||
self._ch(ch)
|
||||
if self.failed:
|
||||
return
|
||||
self.val = s
|
||||
|
||||
def _range(self, i, j):
|
||||
p = self.pos
|
||||
if p != self.end and ord(i) <= ord(self.msg[p]) <= ord(j):
|
||||
self._succeed(self.msg[p], self.pos + 1)
|
||||
else:
|
||||
self._fail()
|
||||
|
||||
def _push(self, name):
|
||||
self._scopes.append((name, {}))
|
||||
|
||||
def _pop(self, name):
|
||||
actual_name, _ = self._scopes.pop()
|
||||
assert name == actual_name
|
||||
|
||||
def _get(self, var):
|
||||
return self._scopes[-1][1][var]
|
||||
|
||||
def _set(self, var, val):
|
||||
self._scopes[-1][1][var] = val
|
||||
|
||||
def _is_unicat(self, var, cat):
|
||||
import unicodedata
|
||||
return unicodedata.category(var) == cat
|
||||
|
||||
def _join(self, s, vs):
|
||||
return s.join(vs)
|
||||
|
||||
def _xtou(self, s):
|
||||
return chr(int(s, base=16))
|
||||
|
||||
def _grammar_(self):
|
||||
self._push('grammar')
|
||||
self._seq([self._sp_, lambda: self._bind(self._value_, 'v'), self._sp_,
|
||||
self._end_, lambda: self._succeed(self._get('v'))])
|
||||
self._pop('grammar')
|
||||
|
||||
def _sp_(self):
|
||||
self._star(self._ws_)
|
||||
|
||||
def _ws_(self):
|
||||
self._choose([self._ws__c0_, self._eol_, self._comment_, self._ws__c3_,
|
||||
self._ws__c4_, self._ws__c5_, self._ws__c6_,
|
||||
self._ws__c7_, self._ws__c8_])
|
||||
|
||||
def _ws__c0_(self):
|
||||
self._ch(' ')
|
||||
|
||||
def _ws__c3_(self):
|
||||
self._ch('\t')
|
||||
|
||||
def _ws__c4_(self):
|
||||
self._ch('\v')
|
||||
|
||||
def _ws__c5_(self):
|
||||
self._ch('\f')
|
||||
|
||||
def _ws__c6_(self):
|
||||
self._ch(u'\xa0')
|
||||
|
||||
def _ws__c7_(self):
|
||||
self._ch(u'\ufeff')
|
||||
|
||||
def _ws__c8_(self):
|
||||
self._push('ws__c8')
|
||||
self._seq([lambda: self._bind(self._anything_, 'x'), self._ws__c8__s1_,
|
||||
lambda: self._succeed(self._get('x'))])
|
||||
self._pop('ws__c8')
|
||||
|
||||
def _ws__c8__s1_(self):
|
||||
v = self._is_unicat(self._get('x'), 'Zs')
|
||||
if v:
|
||||
self._succeed(v)
|
||||
else:
|
||||
self._fail()
|
||||
|
||||
def _eol_(self):
|
||||
self._choose([self._eol__c0_, self._eol__c1_, self._eol__c2_,
|
||||
self._eol__c3_, self._eol__c4_])
|
||||
|
||||
def _eol__c0_(self):
|
||||
self._seq([lambda: self._ch('\r'), lambda: self._ch('\n')])
|
||||
|
||||
def _eol__c1_(self):
|
||||
self._ch('\r')
|
||||
|
||||
def _eol__c2_(self):
|
||||
self._ch('\n')
|
||||
|
||||
def _eol__c3_(self):
|
||||
self._ch(u'\u2028')
|
||||
|
||||
def _eol__c4_(self):
|
||||
self._ch(u'\u2029')
|
||||
|
||||
def _comment_(self):
|
||||
self._choose([self._comment__c0_, self._comment__c1_])
|
||||
|
||||
def _comment__c0_(self):
|
||||
self._seq([lambda: self._str('//'),
|
||||
lambda: self._star(self._comment__c0__s1_p_)])
|
||||
|
||||
def _comment__c0__s1_p_(self):
|
||||
self._seq([lambda: self._not(self._eol_), self._anything_])
|
||||
|
||||
def _comment__c1_(self):
|
||||
self._seq([lambda: self._str('/*'), self._comment__c1__s1_,
|
||||
lambda: self._str('*/')])
|
||||
|
||||
def _comment__c1__s1_(self):
|
||||
self._star(lambda: self._seq([self._comment__c1__s1_p__s0_, self._anything_]))
|
||||
|
||||
def _comment__c1__s1_p__s0_(self):
|
||||
self._not(lambda: self._str('*/'))
|
||||
|
||||
def _value_(self):
|
||||
self._choose([self._value__c0_, self._value__c1_, self._value__c2_,
|
||||
self._value__c3_, self._value__c4_, self._value__c5_,
|
||||
self._value__c6_])
|
||||
|
||||
def _value__c0_(self):
|
||||
self._seq([lambda: self._str('null'), lambda: self._succeed('None')])
|
||||
|
||||
def _value__c1_(self):
|
||||
self._seq([lambda: self._str('true'), lambda: self._succeed('True')])
|
||||
|
||||
def _value__c2_(self):
|
||||
self._seq([lambda: self._str('false'), lambda: self._succeed('False')])
|
||||
|
||||
def _value__c3_(self):
|
||||
self._push('value__c3')
|
||||
self._seq([lambda: self._bind(self._object_, 'v'),
|
||||
lambda: self._succeed(['object', self._get('v')])])
|
||||
self._pop('value__c3')
|
||||
|
||||
def _value__c4_(self):
|
||||
self._push('value__c4')
|
||||
self._seq([lambda: self._bind(self._array_, 'v'),
|
||||
lambda: self._succeed(['array', self._get('v')])])
|
||||
self._pop('value__c4')
|
||||
|
||||
def _value__c5_(self):
|
||||
self._push('value__c5')
|
||||
self._seq([lambda: self._bind(self._string_, 'v'),
|
||||
lambda: self._succeed(['string', self._get('v')])])
|
||||
self._pop('value__c5')
|
||||
|
||||
def _value__c6_(self):
|
||||
self._push('value__c6')
|
||||
self._seq([lambda: self._bind(self._num_literal_, 'v'),
|
||||
lambda: self._succeed(['number', self._get('v')])])
|
||||
self._pop('value__c6')
|
||||
|
||||
def _object_(self):
|
||||
self._choose([self._object__c0_, self._object__c1_])
|
||||
|
||||
def _object__c0_(self):
|
||||
self._push('object__c0')
|
||||
self._seq([lambda: self._ch('{'), self._sp_,
|
||||
lambda: self._bind(self._member_list_, 'v'), self._sp_,
|
||||
lambda: self._ch('}'), lambda: self._succeed(self._get('v'))])
|
||||
self._pop('object__c0')
|
||||
|
||||
def _object__c1_(self):
|
||||
self._seq([lambda: self._ch('{'), self._sp_, lambda: self._ch('}'),
|
||||
lambda: self._succeed([])])
|
||||
|
||||
def _array_(self):
|
||||
self._choose([self._array__c0_, self._array__c1_])
|
||||
|
||||
def _array__c0_(self):
|
||||
self._push('array__c0')
|
||||
self._seq([lambda: self._ch('['), self._sp_,
|
||||
lambda: self._bind(self._element_list_, 'v'), self._sp_,
|
||||
lambda: self._ch(']'), lambda: self._succeed(self._get('v'))])
|
||||
self._pop('array__c0')
|
||||
|
||||
def _array__c1_(self):
|
||||
self._seq([lambda: self._ch('['), self._sp_, lambda: self._ch(']'),
|
||||
lambda: self._succeed([])])
|
||||
|
||||
def _string_(self):
|
||||
self._choose([self._string__c0_, self._string__c1_])
|
||||
|
||||
def _string__c0_(self):
|
||||
self._push('string__c0')
|
||||
self._seq([self._squote_, self._string__c0__s1_, self._squote_,
|
||||
lambda: self._succeed(self._join('', self._get('cs')))])
|
||||
self._pop('string__c0')
|
||||
|
||||
def _string__c0__s1_(self):
|
||||
self._bind(lambda: self._star(self._sqchar_), 'cs')
|
||||
|
||||
def _string__c1_(self):
|
||||
self._push('string__c1')
|
||||
self._seq([self._dquote_, self._string__c1__s1_, self._dquote_,
|
||||
lambda: self._succeed(self._join('', self._get('cs')))])
|
||||
self._pop('string__c1')
|
||||
|
||||
def _string__c1__s1_(self):
|
||||
self._bind(lambda: self._star(self._dqchar_), 'cs')
|
||||
|
||||
def _sqchar_(self):
|
||||
self._choose([self._sqchar__c0_, self._sqchar__c1_, self._sqchar__c2_])
|
||||
|
||||
def _sqchar__c0_(self):
|
||||
self._push('sqchar__c0')
|
||||
self._seq([self._bslash_, lambda: self._bind(self._esc_char_, 'c'),
|
||||
lambda: self._succeed(self._get('c'))])
|
||||
self._pop('sqchar__c0')
|
||||
|
||||
def _sqchar__c1_(self):
|
||||
self._seq([self._bslash_, self._eol_, lambda: self._succeed('')])
|
||||
|
||||
def _sqchar__c2_(self):
|
||||
self._push('sqchar__c2')
|
||||
self._seq([lambda: self._not(self._bslash_),
|
||||
lambda: self._not(self._squote_),
|
||||
lambda: self._not(self._eol_),
|
||||
lambda: self._bind(self._anything_, 'c'),
|
||||
lambda: self._succeed(self._get('c'))])
|
||||
self._pop('sqchar__c2')
|
||||
|
||||
def _dqchar_(self):
|
||||
self._choose([self._dqchar__c0_, self._dqchar__c1_, self._dqchar__c2_])
|
||||
|
||||
def _dqchar__c0_(self):
|
||||
self._push('dqchar__c0')
|
||||
self._seq([self._bslash_, lambda: self._bind(self._esc_char_, 'c'),
|
||||
lambda: self._succeed(self._get('c'))])
|
||||
self._pop('dqchar__c0')
|
||||
|
||||
def _dqchar__c1_(self):
|
||||
self._seq([self._bslash_, self._eol_, lambda: self._succeed('')])
|
||||
|
||||
def _dqchar__c2_(self):
|
||||
self._push('dqchar__c2')
|
||||
self._seq([lambda: self._not(self._bslash_),
|
||||
lambda: self._not(self._dquote_),
|
||||
lambda: self._not(self._eol_),
|
||||
lambda: self._bind(self._anything_, 'c'),
|
||||
lambda: self._succeed(self._get('c'))])
|
||||
self._pop('dqchar__c2')
|
||||
|
||||
def _bslash_(self):
|
||||
self._ch('\\')
|
||||
|
||||
def _squote_(self):
|
||||
self._ch("'")
|
||||
|
||||
def _dquote_(self):
|
||||
self._ch('"')
|
||||
|
||||
def _esc_char_(self):
|
||||
self._choose([self._esc_char__c0_, self._esc_char__c1_,
|
||||
self._esc_char__c2_, self._esc_char__c3_,
|
||||
self._esc_char__c4_, self._esc_char__c5_,
|
||||
self._esc_char__c6_, self._esc_char__c7_,
|
||||
self._esc_char__c8_, self._esc_char__c9_,
|
||||
self._esc_char__c10_, self._esc_char__c11_,
|
||||
self._esc_char__c12_])
|
||||
|
||||
def _esc_char__c0_(self):
|
||||
self._seq([lambda: self._ch('b'), lambda: self._succeed('\b')])
|
||||
|
||||
def _esc_char__c1_(self):
|
||||
self._seq([lambda: self._ch('f'), lambda: self._succeed('\f')])
|
||||
|
||||
def _esc_char__c10_(self):
|
||||
self._seq([lambda: self._ch('0'), lambda: self._not(self._digit_),
|
||||
lambda: self._succeed('\x00')])
|
||||
|
||||
def _esc_char__c11_(self):
|
||||
self._push('esc_char__c11')
|
||||
self._seq([lambda: self._bind(self._hex_esc_, 'c'),
|
||||
lambda: self._succeed(self._get('c'))])
|
||||
self._pop('esc_char__c11')
|
||||
|
||||
def _esc_char__c12_(self):
|
||||
self._push('esc_char__c12')
|
||||
self._seq([lambda: self._bind(self._unicode_esc_, 'c'),
|
||||
lambda: self._succeed(self._get('c'))])
|
||||
self._pop('esc_char__c12')
|
||||
|
||||
def _esc_char__c2_(self):
|
||||
self._seq([lambda: self._ch('n'), lambda: self._succeed('\n')])
|
||||
|
||||
def _esc_char__c3_(self):
|
||||
self._seq([lambda: self._ch('r'), lambda: self._succeed('\r')])
|
||||
|
||||
def _esc_char__c4_(self):
|
||||
self._seq([lambda: self._ch('t'), lambda: self._succeed('\t')])
|
||||
|
||||
def _esc_char__c5_(self):
|
||||
self._seq([lambda: self._ch('v'), lambda: self._succeed('\v')])
|
||||
|
||||
def _esc_char__c6_(self):
|
||||
self._seq([self._squote_, lambda: self._succeed("'")])
|
||||
|
||||
def _esc_char__c7_(self):
|
||||
self._seq([self._dquote_, lambda: self._succeed('"')])
|
||||
|
||||
def _esc_char__c8_(self):
|
||||
self._seq([self._bslash_, lambda: self._succeed('\\')])
|
||||
|
||||
def _esc_char__c9_(self):
|
||||
self._push('esc_char__c9')
|
||||
self._seq([self._esc_char__c9__s0_,
|
||||
lambda: self._bind(self._anything_, 'c'),
|
||||
lambda: self._succeed(self._get('c'))])
|
||||
self._pop('esc_char__c9')
|
||||
|
||||
def _esc_char__c9__s0_(self):
|
||||
self._not(lambda: (self._esc_char__c9__s0_n_g_)())
|
||||
|
||||
def _esc_char__c9__s0_n_g_(self):
|
||||
self._choose([self._esc_char__c9__s0_n_g__c0_,
|
||||
self._esc_char__c9__s0_n_g__c1_,
|
||||
lambda: self._seq([self._digit_]),
|
||||
lambda: self._seq([self._eol_])])
|
||||
|
||||
def _esc_char__c9__s0_n_g__c0_(self):
|
||||
self._seq([lambda: self._ch('x')])
|
||||
|
||||
def _esc_char__c9__s0_n_g__c1_(self):
|
||||
self._seq([lambda: self._ch('u')])
|
||||
|
||||
def _hex_esc_(self):
|
||||
self._push('hex_esc')
|
||||
self._seq([lambda: self._ch('x'), lambda: self._bind(self._hex_, 'h1'),
|
||||
lambda: self._bind(self._hex_, 'h2'),
|
||||
lambda: self._succeed(self._xtou(self._get('h1') + self._get('h2')))])
|
||||
self._pop('hex_esc')
|
||||
|
||||
def _unicode_esc_(self):
|
||||
self._push('unicode_esc')
|
||||
self._seq([lambda: self._ch('u'), lambda: self._bind(self._hex_, 'a'),
|
||||
lambda: self._bind(self._hex_, 'b'),
|
||||
lambda: self._bind(self._hex_, 'c'),
|
||||
lambda: self._bind(self._hex_, 'd'),
|
||||
lambda: self._succeed(self._xtou(self._get('a') + self._get('b') + self._get('c') + self._get('d')))])
|
||||
self._pop('unicode_esc')
|
||||
|
||||
def _element_list_(self):
|
||||
self._push('element_list')
|
||||
self._seq([lambda: self._bind(self._value_, 'v'),
|
||||
self._element_list__s1_, self._sp_, self._element_list__s3_,
|
||||
lambda: self._succeed([self._get('v')] + self._get('vs'))])
|
||||
self._pop('element_list')
|
||||
|
||||
def _element_list__s1_(self):
|
||||
self._bind(lambda: self._star(self._element_list__s1_l_p_), 'vs')
|
||||
|
||||
def _element_list__s1_l_p_(self):
|
||||
self._seq([self._sp_, lambda: self._ch(','), self._sp_, self._value_])
|
||||
|
||||
def _element_list__s3_(self):
|
||||
self._opt(lambda: self._ch(','))
|
||||
|
||||
def _member_list_(self):
|
||||
self._push('member_list')
|
||||
self._seq([lambda: self._bind(self._member_, 'm'),
|
||||
self._member_list__s1_, self._sp_, self._member_list__s3_,
|
||||
lambda: self._succeed([self._get('m')] + self._get('ms'))])
|
||||
self._pop('member_list')
|
||||
|
||||
def _member_list__s1_(self):
|
||||
self._bind(lambda: self._star(self._member_list__s1_l_p_), 'ms')
|
||||
|
||||
def _member_list__s1_l_p_(self):
|
||||
self._seq([self._sp_, lambda: self._ch(','), self._sp_, self._member_])
|
||||
|
||||
def _member_list__s3_(self):
|
||||
self._opt(lambda: self._ch(','))
|
||||
|
||||
def _member_(self):
|
||||
self._choose([self._member__c0_, self._member__c1_])
|
||||
|
||||
def _member__c0_(self):
|
||||
self._push('member__c0')
|
||||
self._seq([lambda: self._bind(self._string_, 'k'), self._sp_,
|
||||
lambda: self._ch(':'), self._sp_,
|
||||
lambda: self._bind(self._value_, 'v'),
|
||||
lambda: self._succeed([self._get('k'), self._get('v')])])
|
||||
self._pop('member__c0')
|
||||
|
||||
def _member__c1_(self):
|
||||
self._push('member__c1')
|
||||
self._seq([lambda: self._bind(self._ident_, 'k'), self._sp_,
|
||||
lambda: self._ch(':'), self._sp_,
|
||||
lambda: self._bind(self._value_, 'v'),
|
||||
lambda: self._succeed([self._get('k'), self._get('v')])])
|
||||
self._pop('member__c1')
|
||||
|
||||
def _ident_(self):
|
||||
self._push('ident')
|
||||
self._seq([lambda: self._bind(self._id_start_, 'hd'), self._ident__s1_,
|
||||
lambda: self._succeed(self._join('', [self._get('hd')] + self._get('tl')))])
|
||||
self._pop('ident')
|
||||
|
||||
def _ident__s1_(self):
|
||||
self._bind(lambda: self._star(self._id_continue_), 'tl')
|
||||
|
||||
def _id_start_(self):
|
||||
self._choose([self._ascii_id_start_, self._other_id_start_,
|
||||
self._id_start__c2_])
|
||||
|
||||
def _id_start__c2_(self):
|
||||
self._seq([self._bslash_, self._unicode_esc_])
|
||||
|
||||
def _ascii_id_start_(self):
|
||||
self._choose([self._ascii_id_start__c0_, self._ascii_id_start__c1_,
|
||||
self._ascii_id_start__c2_, self._ascii_id_start__c3_])
|
||||
|
||||
def _ascii_id_start__c0_(self):
|
||||
self._range('a', 'z')
|
||||
|
||||
def _ascii_id_start__c1_(self):
|
||||
self._range('A', 'Z')
|
||||
|
||||
def _ascii_id_start__c2_(self):
|
||||
self._ch('$')
|
||||
|
||||
def _ascii_id_start__c3_(self):
|
||||
self._ch('_')
|
||||
|
||||
def _other_id_start_(self):
|
||||
self._choose([self._other_id_start__c0_, self._other_id_start__c1_,
|
||||
self._other_id_start__c2_, self._other_id_start__c3_,
|
||||
self._other_id_start__c4_, self._other_id_start__c5_])
|
||||
|
||||
def _other_id_start__c0_(self):
|
||||
self._push('other_id_start__c0')
|
||||
self._seq([lambda: self._bind(self._anything_, 'x'),
|
||||
self._other_id_start__c0__s1_,
|
||||
lambda: self._succeed(self._get('x'))])
|
||||
self._pop('other_id_start__c0')
|
||||
|
||||
def _other_id_start__c0__s1_(self):
|
||||
v = self._is_unicat(self._get('x'), 'Ll')
|
||||
if v:
|
||||
self._succeed(v)
|
||||
else:
|
||||
self._fail()
|
||||
|
||||
def _other_id_start__c1_(self):
|
||||
self._push('other_id_start__c1')
|
||||
self._seq([lambda: self._bind(self._anything_, 'x'),
|
||||
self._other_id_start__c1__s1_,
|
||||
lambda: self._succeed(self._get('x'))])
|
||||
self._pop('other_id_start__c1')
|
||||
|
||||
def _other_id_start__c1__s1_(self):
|
||||
v = self._is_unicat(self._get('x'), 'Lm')
|
||||
if v:
|
||||
self._succeed(v)
|
||||
else:
|
||||
self._fail()
|
||||
|
||||
def _other_id_start__c2_(self):
|
||||
self._push('other_id_start__c2')
|
||||
self._seq([lambda: self._bind(self._anything_, 'x'),
|
||||
self._other_id_start__c2__s1_,
|
||||
lambda: self._succeed(self._get('x'))])
|
||||
self._pop('other_id_start__c2')
|
||||
|
||||
def _other_id_start__c2__s1_(self):
|
||||
v = self._is_unicat(self._get('x'), 'Lo')
|
||||
if v:
|
||||
self._succeed(v)
|
||||
else:
|
||||
self._fail()
|
||||
|
||||
def _other_id_start__c3_(self):
|
||||
self._push('other_id_start__c3')
|
||||
self._seq([lambda: self._bind(self._anything_, 'x'),
|
||||
self._other_id_start__c3__s1_,
|
||||
lambda: self._succeed(self._get('x'))])
|
||||
self._pop('other_id_start__c3')
|
||||
|
||||
def _other_id_start__c3__s1_(self):
|
||||
v = self._is_unicat(self._get('x'), 'Lt')
|
||||
if v:
|
||||
self._succeed(v)
|
||||
else:
|
||||
self._fail()
|
||||
|
||||
def _other_id_start__c4_(self):
|
||||
self._push('other_id_start__c4')
|
||||
self._seq([lambda: self._bind(self._anything_, 'x'),
|
||||
self._other_id_start__c4__s1_,
|
||||
lambda: self._succeed(self._get('x'))])
|
||||
self._pop('other_id_start__c4')
|
||||
|
||||
def _other_id_start__c4__s1_(self):
|
||||
v = self._is_unicat(self._get('x'), 'Lu')
|
||||
if v:
|
||||
self._succeed(v)
|
||||
else:
|
||||
self._fail()
|
||||
|
||||
def _other_id_start__c5_(self):
|
||||
self._push('other_id_start__c5')
|
||||
self._seq([lambda: self._bind(self._anything_, 'x'),
|
||||
self._other_id_start__c5__s1_,
|
||||
lambda: self._succeed(self._get('x'))])
|
||||
self._pop('other_id_start__c5')
|
||||
|
||||
def _other_id_start__c5__s1_(self):
|
||||
v = self._is_unicat(self._get('x'), 'Nl')
|
||||
if v:
|
||||
self._succeed(v)
|
||||
else:
|
||||
self._fail()
|
||||
|
||||
def _id_continue_(self):
|
||||
self._choose([self._ascii_id_start_, self._digit_,
|
||||
self._other_id_start_, self._id_continue__c3_,
|
||||
self._id_continue__c4_, self._id_continue__c5_,
|
||||
self._id_continue__c6_, self._id_continue__c7_,
|
||||
self._id_continue__c8_, self._id_continue__c9_])
|
||||
|
||||
def _id_continue__c3_(self):
|
||||
self._push('id_continue__c3')
|
||||
self._seq([lambda: self._bind(self._anything_, 'x'),
|
||||
self._id_continue__c3__s1_,
|
||||
lambda: self._succeed(self._get('x'))])
|
||||
self._pop('id_continue__c3')
|
||||
|
||||
def _id_continue__c3__s1_(self):
|
||||
v = self._is_unicat(self._get('x'), 'Mn')
|
||||
if v:
|
||||
self._succeed(v)
|
||||
else:
|
||||
self._fail()
|
||||
|
||||
def _id_continue__c4_(self):
|
||||
self._push('id_continue__c4')
|
||||
self._seq([lambda: self._bind(self._anything_, 'x'),
|
||||
self._id_continue__c4__s1_,
|
||||
lambda: self._succeed(self._get('x'))])
|
||||
self._pop('id_continue__c4')
|
||||
|
||||
def _id_continue__c4__s1_(self):
|
||||
v = self._is_unicat(self._get('x'), 'Mc')
|
||||
if v:
|
||||
self._succeed(v)
|
||||
else:
|
||||
self._fail()
|
||||
|
||||
def _id_continue__c5_(self):
|
||||
self._push('id_continue__c5')
|
||||
self._seq([lambda: self._bind(self._anything_, 'x'),
|
||||
self._id_continue__c5__s1_,
|
||||
lambda: self._succeed(self._get('x'))])
|
||||
self._pop('id_continue__c5')
|
||||
|
||||
def _id_continue__c5__s1_(self):
|
||||
v = self._is_unicat(self._get('x'), 'Nd')
|
||||
if v:
|
||||
self._succeed(v)
|
||||
else:
|
||||
self._fail()
|
||||
|
||||
def _id_continue__c6_(self):
|
||||
self._push('id_continue__c6')
|
||||
self._seq([lambda: self._bind(self._anything_, 'x'),
|
||||
self._id_continue__c6__s1_,
|
||||
lambda: self._succeed(self._get('x'))])
|
||||
self._pop('id_continue__c6')
|
||||
|
||||
def _id_continue__c6__s1_(self):
|
||||
v = self._is_unicat(self._get('x'), 'Pc')
|
||||
if v:
|
||||
self._succeed(v)
|
||||
else:
|
||||
self._fail()
|
||||
|
||||
def _id_continue__c7_(self):
|
||||
self._seq([self._bslash_, self._unicode_esc_])
|
||||
|
||||
def _id_continue__c8_(self):
|
||||
self._ch(u'\u200c')
|
||||
|
||||
def _id_continue__c9_(self):
|
||||
self._ch(u'\u200d')
|
||||
|
||||
def _num_literal_(self):
|
||||
self._choose([self._num_literal__c0_, self._num_literal__c1_,
|
||||
self._hex_literal_, self._num_literal__c3_,
|
||||
self._num_literal__c4_])
|
||||
|
||||
def _num_literal__c0_(self):
|
||||
self._push('num_literal__c0')
|
||||
self._seq([lambda: self._ch('-'),
|
||||
lambda: self._bind(self._num_literal_, 'n'),
|
||||
lambda: self._succeed('-' + self._get('n'))])
|
||||
self._pop('num_literal__c0')
|
||||
|
||||
def _num_literal__c1_(self):
|
||||
self._push('num_literal__c1')
|
||||
self._seq([self._num_literal__c1__s0_,
|
||||
lambda: self._bind(self._dec_literal_, 'd'),
|
||||
lambda: self._not(self._id_start_),
|
||||
lambda: self._succeed(self._get('d'))])
|
||||
self._pop('num_literal__c1')
|
||||
|
||||
def _num_literal__c1__s0_(self):
|
||||
self._opt(lambda: self._ch('+'))
|
||||
|
||||
def _num_literal__c3_(self):
|
||||
self._str('Infinity')
|
||||
|
||||
def _num_literal__c4_(self):
|
||||
self._str('NaN')
|
||||
|
||||
def _dec_literal_(self):
|
||||
self._choose([self._dec_literal__c0_, self._dec_literal__c1_,
|
||||
self._dec_literal__c2_, self._dec_literal__c3_,
|
||||
self._dec_literal__c4_, self._dec_literal__c5_])
|
||||
|
||||
def _dec_literal__c0_(self):
|
||||
self._push('dec_literal__c0')
|
||||
self._seq([lambda: self._bind(self._dec_int_lit_, 'd'),
|
||||
lambda: self._bind(self._frac_, 'f'),
|
||||
lambda: self._bind(self._exp_, 'e'),
|
||||
lambda: self._succeed(self._get('d') + self._get('f') + self._get('e'))])
|
||||
self._pop('dec_literal__c0')
|
||||
|
||||
def _dec_literal__c1_(self):
|
||||
self._push('dec_literal__c1')
|
||||
self._seq([lambda: self._bind(self._dec_int_lit_, 'd'),
|
||||
lambda: self._bind(self._frac_, 'f'),
|
||||
lambda: self._succeed(self._get('d') + self._get('f'))])
|
||||
self._pop('dec_literal__c1')
|
||||
|
||||
def _dec_literal__c2_(self):
|
||||
self._push('dec_literal__c2')
|
||||
self._seq([lambda: self._bind(self._dec_int_lit_, 'd'),
|
||||
lambda: self._bind(self._exp_, 'e'),
|
||||
lambda: self._succeed(self._get('d') + self._get('e'))])
|
||||
self._pop('dec_literal__c2')
|
||||
|
||||
def _dec_literal__c3_(self):
|
||||
self._push('dec_literal__c3')
|
||||
self._seq([lambda: self._bind(self._dec_int_lit_, 'd'),
|
||||
lambda: self._succeed(self._get('d'))])
|
||||
self._pop('dec_literal__c3')
|
||||
|
||||
def _dec_literal__c4_(self):
|
||||
self._push('dec_literal__c4')
|
||||
self._seq([lambda: self._bind(self._frac_, 'f'),
|
||||
lambda: self._bind(self._exp_, 'e'),
|
||||
lambda: self._succeed(self._get('f') + self._get('e'))])
|
||||
self._pop('dec_literal__c4')
|
||||
|
||||
def _dec_literal__c5_(self):
|
||||
self._push('dec_literal__c5')
|
||||
self._seq([lambda: self._bind(self._frac_, 'f'),
|
||||
lambda: self._succeed(self._get('f'))])
|
||||
self._pop('dec_literal__c5')
|
||||
|
||||
def _dec_int_lit_(self):
|
||||
self._choose([self._dec_int_lit__c0_, self._dec_int_lit__c1_])
|
||||
|
||||
def _dec_int_lit__c0_(self):
|
||||
self._seq([lambda: self._ch('0'), lambda: self._not(self._digit_),
|
||||
lambda: self._succeed('0')])
|
||||
|
||||
def _dec_int_lit__c1_(self):
|
||||
self._push('dec_int_lit__c1')
|
||||
self._seq([lambda: self._bind(self._nonzerodigit_, 'd'),
|
||||
self._dec_int_lit__c1__s1_,
|
||||
lambda: self._succeed(self._get('d') + self._join('', self._get('ds')))])
|
||||
self._pop('dec_int_lit__c1')
|
||||
|
||||
def _dec_int_lit__c1__s1_(self):
|
||||
self._bind(lambda: self._star(self._digit_), 'ds')
|
||||
|
||||
def _digit_(self):
|
||||
self._range('0', '9')
|
||||
|
||||
def _nonzerodigit_(self):
|
||||
self._range('1', '9')
|
||||
|
||||
def _hex_literal_(self):
|
||||
self._push('hex_literal')
|
||||
self._seq([self._hex_literal__s0_, self._hex_literal__s1_,
|
||||
lambda: self._succeed('0x' + self._join('', self._get('hs')))])
|
||||
self._pop('hex_literal')
|
||||
|
||||
def _hex_literal__s0_(self):
|
||||
self._choose([lambda: self._str('0x'), lambda: self._str('0X')])
|
||||
|
||||
def _hex_literal__s1_(self):
|
||||
self._bind(lambda: self._plus(self._hex_), 'hs')
|
||||
|
||||
def _hex_(self):
|
||||
self._choose([self._hex__c0_, self._hex__c1_, self._digit_])
|
||||
|
||||
def _hex__c0_(self):
|
||||
self._range('a', 'f')
|
||||
|
||||
def _hex__c1_(self):
|
||||
self._range('A', 'F')
|
||||
|
||||
def _frac_(self):
|
||||
self._push('frac')
|
||||
self._seq([lambda: self._ch('.'), self._frac__s1_,
|
||||
lambda: self._succeed('.' + self._join('', self._get('ds')))])
|
||||
self._pop('frac')
|
||||
|
||||
def _frac__s1_(self):
|
||||
self._bind(lambda: self._star(self._digit_), 'ds')
|
||||
|
||||
def _exp_(self):
|
||||
self._choose([self._exp__c0_, self._exp__c1_])
|
||||
|
||||
def _exp__c0_(self):
|
||||
self._push('exp__c0')
|
||||
self._seq([self._exp__c0__s0_,
|
||||
lambda: self._bind(self._exp__c0__s1_l_, 's'),
|
||||
self._exp__c0__s2_,
|
||||
lambda: self._succeed('e' + self._get('s') + self._join('', self._get('ds')))])
|
||||
self._pop('exp__c0')
|
||||
|
||||
def _exp__c0__s0_(self):
|
||||
self._choose([lambda: self._ch('e'), lambda: self._ch('E')])
|
||||
|
||||
def _exp__c0__s1_l_(self):
|
||||
self._choose([lambda: self._ch('+'), lambda: self._ch('-')])
|
||||
|
||||
def _exp__c0__s2_(self):
|
||||
self._bind(lambda: self._star(self._digit_), 'ds')
|
||||
|
||||
def _exp__c1_(self):
|
||||
self._push('exp__c1')
|
||||
self._seq([self._exp__c1__s0_, self._exp__c1__s1_,
|
||||
lambda: self._succeed('e' + self._join('', self._get('ds')))])
|
||||
self._pop('exp__c1')
|
||||
|
||||
def _exp__c1__s0_(self):
|
||||
self._choose([lambda: self._ch('e'), lambda: self._ch('E')])
|
||||
|
||||
def _exp__c1__s1_(self):
|
||||
self._bind(lambda: self._star(self._digit_), 'ds')
|
||||
|
||||
def _anything_(self):
|
||||
if self.pos < self.end:
|
||||
self._succeed(self.msg[self.pos], self.pos + 1)
|
||||
else:
|
||||
self._fail()
|
||||
|
||||
def _end_(self):
|
||||
if self.pos == self.end:
|
||||
self._succeed(None)
|
||||
else:
|
||||
self._fail()
|
||||
@ -1,107 +0,0 @@
|
||||
# Copyright 2014 Google Inc. All rights reserved.
|
||||
#
|
||||
# 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.
|
||||
|
||||
"""A tool to parse and pretty-print JSON5.
|
||||
|
||||
Usage:
|
||||
|
||||
$ echo '{foo:"bar"}' | python -m json5.tool
|
||||
{
|
||||
foo: 'bar',
|
||||
}
|
||||
$ echo '{foo:"bar"}' | python -m json5.tool --as-json
|
||||
{
|
||||
"foo": "bar"
|
||||
}
|
||||
"""
|
||||
|
||||
import sys
|
||||
|
||||
from . import arg_parser
|
||||
from . import lib
|
||||
from .host import Host
|
||||
from .version import VERSION
|
||||
|
||||
|
||||
def main(argv=None, host=None):
|
||||
host = host or Host()
|
||||
|
||||
parser = arg_parser.ArgumentParser(host, prog='json5', desc=__doc__)
|
||||
parser.add_argument('-c', metavar='STR', dest='cmd',
|
||||
help='inline json5 string to read instead of '
|
||||
'reading from a file')
|
||||
parser.add_argument('--as-json', dest='as_json', action='store_const',
|
||||
const=True, default=False,
|
||||
help='output as JSON '
|
||||
'(same as --quote-keys --no-trailing-commas)')
|
||||
parser.add_argument('--indent', dest='indent', default=4,
|
||||
help='amount to indent each line '
|
||||
'(default is 4 spaces)')
|
||||
parser.add_argument('--quote-keys', action='store_true', default=False,
|
||||
help='quote all object keys')
|
||||
parser.add_argument('--no-quote-keys', action='store_false',
|
||||
dest='quote_keys',
|
||||
help="don't quote object keys that are identifiers"
|
||||
" (this is the default)")
|
||||
parser.add_argument('--trailing-commas', action='store_true',
|
||||
default=True,
|
||||
help='add commas after the last item in multi-line '
|
||||
'objects and arrays (this is the default)')
|
||||
parser.add_argument('--no-trailing-commas', dest='trailing_commas',
|
||||
action='store_false',
|
||||
help='do not add commas after the last item in '
|
||||
'multi-line lists and objects')
|
||||
parser.add_argument('file', metavar='FILE', nargs='?', default='-',
|
||||
help='optional file to read JSON5 document from; if '
|
||||
'not specified or "-", will read from stdin '
|
||||
'instead')
|
||||
args = parser.parse_args(argv)
|
||||
|
||||
if parser.exit_status is not None:
|
||||
return parser.exit_status
|
||||
|
||||
if args.version:
|
||||
host.print_(VERSION)
|
||||
return 0
|
||||
|
||||
if args.cmd:
|
||||
inp = args.cmd
|
||||
elif args.file == '-':
|
||||
inp = host.stdin.read()
|
||||
else:
|
||||
inp = host.read_text_file(args.file)
|
||||
|
||||
if args.indent == 'None':
|
||||
args.indent = None
|
||||
else:
|
||||
try:
|
||||
args.indent = int(args.indent)
|
||||
except ValueError:
|
||||
pass
|
||||
|
||||
if args.as_json:
|
||||
args.quote_keys = True
|
||||
args.trailing_commas = False
|
||||
|
||||
obj = lib.loads(inp)
|
||||
s = lib.dumps(obj,
|
||||
indent=args.indent,
|
||||
quote_keys=args.quote_keys,
|
||||
trailing_commas=args.trailing_commas)
|
||||
host.print_(s)
|
||||
return 0
|
||||
|
||||
|
||||
if __name__ == '__main__': # pragma: no cover
|
||||
sys.exit(main())
|
||||
@ -1,15 +0,0 @@
|
||||
# Copyright 2014 Google Inc. All rights reserved.
|
||||
#
|
||||
# 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.
|
||||
|
||||
VERSION = '0.9.5'
|
||||
@ -13,7 +13,7 @@
|
||||
'visible': 'true',
|
||||
// bool
|
||||
'style': 'None',
|
||||
'fps': 60,
|
||||
'fps': 30,
|
||||
'views': [
|
||||
'space',
|
||||
'map',
|
||||
|
||||
Loading…
Reference in New Issue
Block a user