Index: third_party/google/protobuf/text_encoding.py |
diff --git a/third_party/google/protobuf/text_encoding.py b/third_party/google/protobuf/text_encoding.py |
deleted file mode 100644 |
index ed0aabf7f0485f4fbb34ffa3660400a64d518fab..0000000000000000000000000000000000000000 |
--- a/third_party/google/protobuf/text_encoding.py |
+++ /dev/null |
@@ -1,110 +0,0 @@ |
-# Protocol Buffers - Google's data interchange format |
-# Copyright 2008 Google Inc. All rights reserved. |
-# http://code.google.com/p/protobuf/ |
-# |
-# Redistribution and use in source and binary forms, with or without |
-# modification, are permitted provided that the following conditions are |
-# met: |
-# |
-# * Redistributions of source code must retain the above copyright |
-# notice, this list of conditions and the following disclaimer. |
-# * Redistributions in binary form must reproduce the above |
-# copyright notice, this list of conditions and the following disclaimer |
-# in the documentation and/or other materials provided with the |
-# distribution. |
-# * Neither the name of Google Inc. nor the names of its |
-# contributors may be used to endorse or promote products derived from |
-# this software without specific prior written permission. |
-# |
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- |
-#PY25 compatible for GAE. |
-# |
-"""Encoding related utilities.""" |
- |
-import re |
-import sys ##PY25 |
- |
-# Lookup table for utf8 |
-_cescape_utf8_to_str = [chr(i) for i in xrange(0, 256)] |
-_cescape_utf8_to_str[9] = r'\t' # optional escape |
-_cescape_utf8_to_str[10] = r'\n' # optional escape |
-_cescape_utf8_to_str[13] = r'\r' # optional escape |
-_cescape_utf8_to_str[39] = r"\'" # optional escape |
- |
-_cescape_utf8_to_str[34] = r'\"' # necessary escape |
-_cescape_utf8_to_str[92] = r'\\' # necessary escape |
- |
-# Lookup table for non-utf8, with necessary escapes at (o >= 127 or o < 32) |
-_cescape_byte_to_str = ([r'\%03o' % i for i in xrange(0, 32)] + |
- [chr(i) for i in xrange(32, 127)] + |
- [r'\%03o' % i for i in xrange(127, 256)]) |
-_cescape_byte_to_str[9] = r'\t' # optional escape |
-_cescape_byte_to_str[10] = r'\n' # optional escape |
-_cescape_byte_to_str[13] = r'\r' # optional escape |
-_cescape_byte_to_str[39] = r"\'" # optional escape |
- |
-_cescape_byte_to_str[34] = r'\"' # necessary escape |
-_cescape_byte_to_str[92] = r'\\' # necessary escape |
- |
- |
-def CEscape(text, as_utf8): |
- """Escape a bytes string for use in an ascii protocol buffer. |
- |
- text.encode('string_escape') does not seem to satisfy our needs as it |
- encodes unprintable characters using two-digit hex escapes whereas our |
- C++ unescaping function allows hex escapes to be any length. So, |
- "\0011".encode('string_escape') ends up being "\\x011", which will be |
- decoded in C++ as a single-character string with char code 0x11. |
- |
- Args: |
- text: A byte string to be escaped |
- as_utf8: Specifies if result should be returned in UTF-8 encoding |
- Returns: |
- Escaped string |
- """ |
- # PY3 hack: make Ord work for str and bytes: |
- # //platforms/networking/data uses unicode here, hence basestring. |
- Ord = ord if isinstance(text, basestring) else lambda x: x |
- if as_utf8: |
- return ''.join(_cescape_utf8_to_str[Ord(c)] for c in text) |
- return ''.join(_cescape_byte_to_str[Ord(c)] for c in text) |
- |
- |
-_CUNESCAPE_HEX = re.compile(r'(\\+)x([0-9a-fA-F])(?![0-9a-fA-F])') |
-_cescape_highbit_to_str = ([chr(i) for i in range(0, 127)] + |
- [r'\%03o' % i for i in range(127, 256)]) |
- |
- |
-def CUnescape(text): |
- """Unescape a text string with C-style escape sequences to UTF-8 bytes.""" |
- |
- def ReplaceHex(m): |
- # Only replace the match if the number of leading back slashes is odd. i.e. |
- # the slash itself is not escaped. |
- if len(m.group(1)) & 1: |
- return m.group(1) + 'x0' + m.group(2) |
- return m.group(0) |
- |
- # This is required because the 'string_escape' encoding doesn't |
- # allow single-digit hex escapes (like '\xf'). |
- result = _CUNESCAPE_HEX.sub(ReplaceHex, text) |
- |
- if sys.version_info[0] < 3: ##PY25 |
-##!PY25 if str is bytes: # PY2 |
- return result.decode('string_escape') |
- result = ''.join(_cescape_highbit_to_str[ord(c)] for c in result) |
- return (result.encode('ascii') # Make it bytes to allow decode. |
- .decode('unicode_escape') |
- # Make it bytes again to return the proper type. |
- .encode('raw_unicode_escape')) |