diff options
Diffstat (limited to 'third_party/protobuf/javanano/src/main/java/com/google/protobuf/nano/WireFormatNano.java')
-rw-r--r-- | third_party/protobuf/javanano/src/main/java/com/google/protobuf/nano/WireFormatNano.java | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/third_party/protobuf/javanano/src/main/java/com/google/protobuf/nano/WireFormatNano.java b/third_party/protobuf/javanano/src/main/java/com/google/protobuf/nano/WireFormatNano.java deleted file mode 100644 index bbb6370a3e..0000000000 --- a/third_party/protobuf/javanano/src/main/java/com/google/protobuf/nano/WireFormatNano.java +++ /dev/null @@ -1,124 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2013 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// 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. - -package com.google.protobuf.nano; - -import java.io.IOException; - -/** - * This class is used internally by the Protocol Buffer library and generated - * message implementations. It is public only because those generated messages - * do not reside in the {@code protobuf} package. Others should not use this - * class directly. - * - * This class contains constants and helper functions useful for dealing with - * the Protocol Buffer wire format. - * - * @author kenton@google.com Kenton Varda - */ -public final class WireFormatNano { - // Do not allow instantiation. - private WireFormatNano() {} - - static final int WIRETYPE_VARINT = 0; - static final int WIRETYPE_FIXED64 = 1; - static final int WIRETYPE_LENGTH_DELIMITED = 2; - static final int WIRETYPE_START_GROUP = 3; - static final int WIRETYPE_END_GROUP = 4; - static final int WIRETYPE_FIXED32 = 5; - - static final int TAG_TYPE_BITS = 3; - static final int TAG_TYPE_MASK = (1 << TAG_TYPE_BITS) - 1; - - /** Given a tag value, determines the wire type (the lower 3 bits). */ - static int getTagWireType(final int tag) { - return tag & TAG_TYPE_MASK; - } - - /** Given a tag value, determines the field number (the upper 29 bits). */ - public static int getTagFieldNumber(final int tag) { - return tag >>> TAG_TYPE_BITS; - } - - /** Makes a tag value given a field number and wire type. */ - static int makeTag(final int fieldNumber, final int wireType) { - return (fieldNumber << TAG_TYPE_BITS) | wireType; - } - - public static final int EMPTY_INT_ARRAY[] = {}; - public static final long EMPTY_LONG_ARRAY[] = {}; - public static final float EMPTY_FLOAT_ARRAY[] = {}; - public static final double EMPTY_DOUBLE_ARRAY[] = {}; - public static final boolean EMPTY_BOOLEAN_ARRAY[] = {}; - public static final String EMPTY_STRING_ARRAY[] = {}; - public static final byte[] EMPTY_BYTES_ARRAY[] = {}; - public static final byte[] EMPTY_BYTES = {}; - - /** - * Parses an unknown field. This implementation skips the field. - * - * <p>Generated messages will call this for unknown fields if the store_unknown_fields - * option is off. - * - * @return {@literal true} unless the tag is an end-group tag. - */ - public static boolean parseUnknownField( - final CodedInputByteBufferNano input, - final int tag) throws IOException { - return input.skipField(tag); - } - - /** - * Computes the array length of a repeated field. We assume that in the common case repeated - * fields are contiguously serialized but we still correctly handle interspersed values of a - * repeated field (but with extra allocations). - * - * Rewinds to current input position before returning. - * - * @param input stream input, pointing to the byte after the first tag - * @param tag repeated field tag just read - * @return length of array - * @throws IOException - */ - public static final int getRepeatedFieldArrayLength( - final CodedInputByteBufferNano input, - final int tag) throws IOException { - int arrayLength = 1; - int startPos = input.getPosition(); - input.skipField(tag); - while (input.readTag() == tag) { - input.skipField(tag); - arrayLength++; - } - input.rewindToPosition(startPos); - return arrayLength; - } - -} |