1 files changed, 0 insertions, 209 deletions

diff --git a/froofle/protobuf/internal/decoder.py b/froofle/protobuf/internal/decoder.py
deleted file mode 100644
index 2dd4c96e..00000000
--- a/froofle/protobuf/internal/decoder.py
+++ /dev/null
@@ -1,209 +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.
-
-"""Class for decoding protocol buffer primitives.
-
-Contains the logic for decoding every logical protocol field type
-from one of the 5 physical wire types.
-"""
-
-__author__ = 'robinson@google.com (Will Robinson)'
-
-import struct
-from froofle.protobuf import message
-from froofle.protobuf.internal import input_stream
-from froofle.protobuf.internal import wire_format
-
-
-
-# Note that much of this code is ported from //net/proto/ProtocolBuffer, and
-# that the interface is strongly inspired by WireFormat from the C++ proto2
-# implementation.
-
-
-class Decoder(object):
-
-  """Decodes logical protocol buffer fields from the wire."""
-
-  def __init__(self, s):
-    """Initializes the decoder to read from s.
-
-    Args:
-      s: An immutable sequence of bytes, which must be accessible
-        via the Python buffer() primitive (i.e., buffer(s)).
-    """
-    self._stream = input_stream.InputStream(s)
-
-  def EndOfStream(self):
-    """Returns true iff we've reached the end of the bytes we're reading."""
-    return self._stream.EndOfStream()
-
-  def Position(self):
-    """Returns the 0-indexed position in |s|."""
-    return self._stream.Position()
-
-  def ReadFieldNumberAndWireType(self):
-    """Reads a tag from the wire. Returns a (field_number, wire_type) pair."""
-    tag_and_type = self.ReadUInt32()
-    return wire_format.UnpackTag(tag_and_type)
-
-  def SkipBytes(self, bytes):
-    """Skips the specified number of bytes on the wire."""
-    self._stream.SkipBytes(bytes)
-
-  # Note that the Read*() methods below are not exactly symmetrical with the
-  # corresponding Encoder.Append*() methods.  Those Encoder methods first
-  # encode a tag, but the Read*() methods below assume that the tag has already
-  # been read, and that the client wishes to read a field of the specified type
-  # starting at the current position.
-
-  def ReadInt32(self):
-    """Reads and returns a signed, varint-encoded, 32-bit integer."""
-    return self._stream.ReadVarint32()
-
-  def ReadInt64(self):
-    """Reads and returns a signed, varint-encoded, 64-bit integer."""
-    return self._stream.ReadVarint64()
-
-  def ReadUInt32(self):
-    """Reads and returns an signed, varint-encoded, 32-bit integer."""
-    return self._stream.ReadVarUInt32()
-
-  def ReadUInt64(self):
-    """Reads and returns an signed, varint-encoded,64-bit integer."""
-    return self._stream.ReadVarUInt64()
-
-  def ReadSInt32(self):
-    """Reads and returns a signed, zigzag-encoded, varint-encoded,
-    32-bit integer."""
-    return wire_format.ZigZagDecode(self._stream.ReadVarUInt32())
-
-  def ReadSInt64(self):
-    """Reads and returns a signed, zigzag-encoded, varint-encoded,
-    64-bit integer."""
-    return wire_format.ZigZagDecode(self._stream.ReadVarUInt64())
-
-  def ReadFixed32(self):
-    """Reads and returns an unsigned, fixed-width, 32-bit integer."""
-    return self._stream.ReadLittleEndian32()
-
-  def ReadFixed64(self):
-    """Reads and returns an unsigned, fixed-width, 64-bit integer."""
-    return self._stream.ReadLittleEndian64()
-
-  def ReadSFixed32(self):
-    """Reads and returns a signed, fixed-width, 32-bit integer."""
-    value = self._stream.ReadLittleEndian32()
-    if value >= (1 << 31):
-      value -= (1 << 32)
-    return value
-
-  def ReadSFixed64(self):
-    """Reads and returns a signed, fixed-width, 64-bit integer."""
-    value = self._stream.ReadLittleEndian64()
-    if value >= (1 << 63):
-      value -= (1 << 64)
-    return value
-
-  def ReadFloat(self):
-    """Reads and returns a 4-byte floating-point number."""
-    serialized = self._stream.ReadBytes(4)
-    return struct.unpack('f', serialized)[0]
-
-  def ReadDouble(self):
-    """Reads and returns an 8-byte floating-point number."""
-    serialized = self._stream.ReadBytes(8)
-    return struct.unpack('d', serialized)[0]
-
-  def ReadBool(self):
-    """Reads and returns a bool."""
-    i = self._stream.ReadVarUInt32()
-    return bool(i)
-
-  def ReadEnum(self):
-    """Reads and returns an enum value."""
-    return self._stream.ReadVarUInt32()
-
-  def ReadString(self):
-    """Reads and returns a length-delimited string."""
-    bytes = self.ReadBytes()
-    return unicode(bytes, 'utf-8')
-
-  def ReadBytes(self):
-    """Reads and returns a length-delimited byte sequence."""
-    length = self._stream.ReadVarUInt32()
-    return self._stream.ReadBytes(length)
-
-  def ReadMessageInto(self, msg):
-    """Calls msg.MergeFromString() to merge
-    length-delimited serialized message data into |msg|.
-
-    REQUIRES: The decoder must be positioned at the serialized "length"
-      prefix to a length-delmiited serialized message.
-
-    POSTCONDITION: The decoder is positioned just after the
-      serialized message, and we have merged those serialized
-      contents into |msg|.
-    """
-    length = self._stream.ReadVarUInt32()
-    sub_buffer = self._stream.GetSubBuffer(length)
-    num_bytes_used = msg.MergeFromString(sub_buffer)
-    if num_bytes_used != length:
-      raise message.DecodeError(
-          'Submessage told to deserialize from %d-byte encoding, '
-          'but used only %d bytes' % (length, num_bytes_used))
-    self._stream.SkipBytes(num_bytes_used)
-
-  def ReadGroupInto(self, expected_field_number, group):
-    """Calls group.MergeFromString() to merge
-    END_GROUP-delimited serialized message data into |group|.
-    We'll raise an exception if we don't find an END_GROUP
-    tag immediately after the serialized message contents.
-
-    REQUIRES: The decoder is positioned just after the START_GROUP
-      tag for this group.
-
-    POSTCONDITION: The decoder is positioned just after the
-      END_GROUP tag for this group, and we have merged
-      the contents of the group into |group|.
-    """
-    sub_buffer = self._stream.GetSubBuffer()  # No a priori length limit.
-    num_bytes_used = group.MergeFromString(sub_buffer)
-    if num_bytes_used < 0:
-      raise message.DecodeError('Group message reported negative bytes read.')
-    self._stream.SkipBytes(num_bytes_used)
-    field_number, field_type = self.ReadFieldNumberAndWireType()
-    if field_type != wire_format.WIRETYPE_END_GROUP:
-      raise message.DecodeError('Group message did not end with an END_GROUP.')
-    if field_number != expected_field_number:
-      raise message.DecodeError('END_GROUP tag had field '
-                                'number %d, was expecting field number %d' % (
-          field_number, expected_field_number))
-    # We're now positioned just after the END_GROUP tag.  Perfect.