diff options
Diffstat (limited to 'third_party/protobuf/java/core/src/main/java/com/google/protobuf/UnknownFieldSetLite.java')
-rw-r--r-- | third_party/protobuf/java/core/src/main/java/com/google/protobuf/UnknownFieldSetLite.java | 432 |
1 files changed, 0 insertions, 432 deletions
diff --git a/third_party/protobuf/java/core/src/main/java/com/google/protobuf/UnknownFieldSetLite.java b/third_party/protobuf/java/core/src/main/java/com/google/protobuf/UnknownFieldSetLite.java deleted file mode 100644 index d6226fc70c..0000000000 --- a/third_party/protobuf/java/core/src/main/java/com/google/protobuf/UnknownFieldSetLite.java +++ /dev/null @@ -1,432 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 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; - -import java.io.IOException; -import java.util.Arrays; - -/** - * {@code UnknownFieldSetLite} is used to keep track of fields which were seen - * when parsing a protocol message but whose field numbers or types are - * unrecognized. This most frequently occurs when new fields are added to a - * message type and then messages containing those fields are read by old - * software that was compiled before the new types were added. - * - * <p>For use by generated code only. - * - * @author dweis@google.com (Daniel Weis) - */ -public final class UnknownFieldSetLite { - - // Arbitrarily chosen. - // TODO(dweis): Tune this number? - private static final int MIN_CAPACITY = 8; - - private static final UnknownFieldSetLite DEFAULT_INSTANCE = - new UnknownFieldSetLite(0, new int[0], new Object[0], false /* isMutable */); - - /** - * Get an empty {@code UnknownFieldSetLite}. - * - * <p>For use by generated code only. - */ - public static UnknownFieldSetLite getDefaultInstance() { - return DEFAULT_INSTANCE; - } - - /** - * Returns a new mutable instance. - */ - static UnknownFieldSetLite newInstance() { - return new UnknownFieldSetLite(); - } - - /** - * Returns a mutable {@code UnknownFieldSetLite} that is the composite of {@code first} and - * {@code second}. - */ - static UnknownFieldSetLite mutableCopyOf(UnknownFieldSetLite first, UnknownFieldSetLite second) { - int count = first.count + second.count; - int[] tags = Arrays.copyOf(first.tags, count); - System.arraycopy(second.tags, 0, tags, first.count, second.count); - Object[] objects = Arrays.copyOf(first.objects, count); - System.arraycopy(second.objects, 0, objects, first.count, second.count); - return new UnknownFieldSetLite(count, tags, objects, true /* isMutable */); - } - - /** - * The number of elements in the set. - */ - private int count; - - /** - * The tag numbers for the elements in the set. - */ - private int[] tags; - - /** - * The boxed values of the elements in the set. - */ - private Object[] objects; - - /** - * The lazily computed serialized size of the set. - */ - private int memoizedSerializedSize = -1; - - /** - * Indicates that this object is mutable. - */ - private boolean isMutable; - - /** - * Constructs a mutable {@code UnknownFieldSetLite}. - */ - private UnknownFieldSetLite() { - this(0, new int[MIN_CAPACITY], new Object[MIN_CAPACITY], true /* isMutable */); - } - - /** - * Constructs the {@code UnknownFieldSetLite}. - */ - private UnknownFieldSetLite(int count, int[] tags, Object[] objects, boolean isMutable) { - this.count = count; - this.tags = tags; - this.objects = objects; - this.isMutable = isMutable; - } - - /** - * Marks this object as immutable. - * - * <p>Future calls to methods that attempt to modify this object will throw. - */ - public void makeImmutable() { - this.isMutable = false; - } - - /** - * Throws an {@link UnsupportedOperationException} if immutable. - */ - void checkMutable() { - if (!isMutable) { - throw new UnsupportedOperationException(); - } - } - - /** - * Serializes the set and writes it to {@code output}. - * - * <p>For use by generated code only. - */ - public void writeTo(CodedOutputStream output) throws IOException { - for (int i = 0; i < count; i++) { - int tag = tags[i]; - int fieldNumber = WireFormat.getTagFieldNumber(tag); - switch (WireFormat.getTagWireType(tag)) { - case WireFormat.WIRETYPE_VARINT: - output.writeUInt64(fieldNumber, (Long) objects[i]); - break; - case WireFormat.WIRETYPE_FIXED32: - output.writeFixed32(fieldNumber, (Integer) objects[i]); - break; - case WireFormat.WIRETYPE_FIXED64: - output.writeFixed64(fieldNumber, (Long) objects[i]); - break; - case WireFormat.WIRETYPE_LENGTH_DELIMITED: - output.writeBytes(fieldNumber, (ByteString) objects[i]); - break; - case WireFormat.WIRETYPE_START_GROUP: - output.writeTag(fieldNumber, WireFormat.WIRETYPE_START_GROUP); - ((UnknownFieldSetLite) objects[i]).writeTo(output); - output.writeTag(fieldNumber, WireFormat.WIRETYPE_END_GROUP); - break; - default: - throw InvalidProtocolBufferException.invalidWireType(); - } - } - } - - /** - * Serializes the set and writes it to {@code output} using {@code MessageSet} wire format. - * - * <p>For use by generated code only. - */ - public void writeAsMessageSetTo(CodedOutputStream output) throws IOException { - for (int i = 0; i < count; i++) { - int fieldNumber = WireFormat.getTagFieldNumber(tags[i]); - output.writeRawMessageSetExtension(fieldNumber, (ByteString) objects[i]); - } - } - - - /** - * Get the number of bytes required to encode this field, including field number, using {@code - * MessageSet} wire format. - */ - public int getSerializedSizeAsMessageSet() { - int size = memoizedSerializedSize; - if (size != -1) { - return size; - } - - size = 0; - for (int i = 0; i < count; i++) { - int tag = tags[i]; - int fieldNumber = WireFormat.getTagFieldNumber(tag); - size += CodedOutputStream.computeRawMessageSetExtensionSize( - fieldNumber, (ByteString) objects[i]); - } - - memoizedSerializedSize = size; - - return size; - } - - /** - * Get the number of bytes required to encode this set. - * - * <p>For use by generated code only. - */ - public int getSerializedSize() { - int size = memoizedSerializedSize; - if (size != -1) { - return size; - } - - size = 0; - for (int i = 0; i < count; i++) { - int tag = tags[i]; - int fieldNumber = WireFormat.getTagFieldNumber(tag); - switch (WireFormat.getTagWireType(tag)) { - case WireFormat.WIRETYPE_VARINT: - size += CodedOutputStream.computeUInt64Size(fieldNumber, (Long) objects[i]); - break; - case WireFormat.WIRETYPE_FIXED32: - size += CodedOutputStream.computeFixed32Size(fieldNumber, (Integer) objects[i]); - break; - case WireFormat.WIRETYPE_FIXED64: - size += CodedOutputStream.computeFixed64Size(fieldNumber, (Long) objects[i]); - break; - case WireFormat.WIRETYPE_LENGTH_DELIMITED: - size += CodedOutputStream.computeBytesSize(fieldNumber, (ByteString) objects[i]); - break; - case WireFormat.WIRETYPE_START_GROUP: - size += CodedOutputStream.computeTagSize(fieldNumber) * 2 - + ((UnknownFieldSetLite) objects[i]).getSerializedSize(); - break; - default: - throw new IllegalStateException(InvalidProtocolBufferException.invalidWireType()); - } - } - - memoizedSerializedSize = size; - - return size; - } - - private static boolean equals(int[] tags1, int[] tags2, int count) { - for (int i = 0; i < count; ++i) { - if (tags1[i] != tags2[i]) { - return false; - } - } - return true; - } - - private static boolean equals(Object[] objects1, Object[] objects2, int count) { - for (int i = 0; i < count; ++i) { - if (!objects1[i].equals(objects2[i])) { - return false; - } - } - return true; - } - - @Override - public boolean equals(Object obj) { - if (this == obj) { - return true; - } - - if (obj == null) { - return false; - } - - if (!(obj instanceof UnknownFieldSetLite)) { - return false; - } - - UnknownFieldSetLite other = (UnknownFieldSetLite) obj; - if (count != other.count - || !equals(tags, other.tags, count) - || !equals(objects, other.objects, count)) { - return false; - } - - return true; - } - - @Override - public int hashCode() { - int hashCode = 17; - - hashCode = 31 * hashCode + count; - hashCode = 31 * hashCode + Arrays.hashCode(tags); - hashCode = 31 * hashCode + Arrays.deepHashCode(objects); - - return hashCode; - } - - /** - * Prints a String representation of the unknown field set. - * - * <p>For use by generated code only. - * - * @param buffer the buffer to write to - * @param indent the number of spaces the fields should be indented by - */ - final void printWithIndent(StringBuilder buffer, int indent) { - for (int i = 0; i < count; i++) { - int fieldNumber = WireFormat.getTagFieldNumber(tags[i]); - MessageLiteToString.printField(buffer, indent, String.valueOf(fieldNumber), objects[i]); - } - } - - // Package private for unsafe experimental runtime. - void storeField(int tag, Object value) { - ensureCapacity(); - - tags[count] = tag; - objects[count] = value; - count++; - } - - /** - * Ensures that our arrays are long enough to store more metadata. - */ - private void ensureCapacity() { - if (count == tags.length) { - int increment = count < (MIN_CAPACITY / 2) ? MIN_CAPACITY : count >> 1; - int newLength = count + increment; - - tags = Arrays.copyOf(tags, newLength); - objects = Arrays.copyOf(objects, newLength); - } - } - - /** - * Parse a single field from {@code input} and merge it into this set. - * - * <p>For use by generated code only. - * - * @param tag The field's tag number, which was already parsed. - * @return {@code false} if the tag is an end group tag. - */ - boolean mergeFieldFrom(final int tag, final CodedInputStream input) throws IOException { - checkMutable(); - final int fieldNumber = WireFormat.getTagFieldNumber(tag); - switch (WireFormat.getTagWireType(tag)) { - case WireFormat.WIRETYPE_VARINT: - storeField(tag, input.readInt64()); - return true; - case WireFormat.WIRETYPE_FIXED32: - storeField(tag, input.readFixed32()); - return true; - case WireFormat.WIRETYPE_FIXED64: - storeField(tag, input.readFixed64()); - return true; - case WireFormat.WIRETYPE_LENGTH_DELIMITED: - storeField(tag, input.readBytes()); - return true; - case WireFormat.WIRETYPE_START_GROUP: - final UnknownFieldSetLite subFieldSet = new UnknownFieldSetLite(); - subFieldSet.mergeFrom(input); - input.checkLastTagWas( - WireFormat.makeTag(fieldNumber, WireFormat.WIRETYPE_END_GROUP)); - storeField(tag, subFieldSet); - return true; - case WireFormat.WIRETYPE_END_GROUP: - return false; - default: - throw InvalidProtocolBufferException.invalidWireType(); - } - } - - /** - * Convenience method for merging a new field containing a single varint - * value. This is used in particular when an unknown enum value is - * encountered. - * - * <p>For use by generated code only. - */ - UnknownFieldSetLite mergeVarintField(int fieldNumber, int value) { - checkMutable(); - if (fieldNumber == 0) { - throw new IllegalArgumentException("Zero is not a valid field number."); - } - - storeField(WireFormat.makeTag(fieldNumber, WireFormat.WIRETYPE_VARINT), (long) value); - - return this; - } - - /** - * Convenience method for merging a length-delimited field. - * - * <p>For use by generated code only. - */ - UnknownFieldSetLite mergeLengthDelimitedField(final int fieldNumber, final ByteString value) { - checkMutable(); - if (fieldNumber == 0) { - throw new IllegalArgumentException("Zero is not a valid field number."); - } - - storeField(WireFormat.makeTag(fieldNumber, WireFormat.WIRETYPE_LENGTH_DELIMITED), value); - - return this; - } - - /** - * Parse an entire message from {@code input} and merge its fields into - * this set. - */ - private UnknownFieldSetLite mergeFrom(final CodedInputStream input) throws IOException { - // Ensures initialization in mergeFieldFrom. - while (true) { - final int tag = input.readTag(); - if (tag == 0 || !mergeFieldFrom(tag, input)) { - break; - } - } - return this; - } -} |