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Unified Diff: third_party/protobuf/csharp/src/Google.Protobuf/ByteString.cs

Issue 2495533002: third_party/protobuf: Update to HEAD (83d681ee2c) (Closed)
Patch Set: Make chrome settings proto generated file a component Created 4 years ago
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Index: third_party/protobuf/csharp/src/Google.Protobuf/ByteString.cs
diff --git a/third_party/protobuf/csharp/src/Google.Protobuf/ByteString.cs b/third_party/protobuf/csharp/src/Google.Protobuf/ByteString.cs
index 11ad6216dd36d4d7f4381aba1c54756a0d177e91..dd7f22d6478e602642609a8663de15a1cb42d0d5 100644
--- a/third_party/protobuf/csharp/src/Google.Protobuf/ByteString.cs
+++ b/third_party/protobuf/csharp/src/Google.Protobuf/ByteString.cs
@@ -1,345 +1,345 @@
-#region Copyright notice and license
-// 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.
-#endregion
-
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.IO;
-using System.Text;
-
-namespace Google.Protobuf
-{
- /// <summary>
- /// Immutable array of bytes.
- /// </summary>
- public sealed class ByteString : IEnumerable<byte>, IEquatable<ByteString>
- {
- private static readonly ByteString empty = new ByteString(new byte[0]);
-
- private readonly byte[] bytes;
-
- /// <summary>
- /// Unsafe operations that can cause IO Failure and/or other catestrophic side-effects.
- /// </summary>
- internal static class Unsafe
- {
- /// <summary>
- /// Constructs a new ByteString from the given byte array. The array is
- /// *not* copied, and must not be modified after this constructor is called.
- /// </summary>
- internal static ByteString FromBytes(byte[] bytes)
- {
- return new ByteString(bytes);
- }
-
- /// <summary>
- /// Provides direct, unrestricted access to the bytes contained in this instance.
- /// You must not modify or resize the byte array returned by this method.
- /// </summary>
- internal static byte[] GetBuffer(ByteString bytes)
- {
- return bytes.bytes;
- }
- }
-
- /// <summary>
- /// Internal use only. Ensure that the provided array is not mutated and belongs to this instance.
- /// </summary>
- internal static ByteString AttachBytes(byte[] bytes)
- {
- return new ByteString(bytes);
- }
-
- /// <summary>
- /// Constructs a new ByteString from the given byte array. The array is
- /// *not* copied, and must not be modified after this constructor is called.
- /// </summary>
- private ByteString(byte[] bytes)
- {
- this.bytes = bytes;
- }
-
- /// <summary>
- /// Returns an empty ByteString.
- /// </summary>
- public static ByteString Empty
- {
- get { return empty; }
- }
-
- /// <summary>
- /// Returns the length of this ByteString in bytes.
- /// </summary>
- public int Length
- {
- get { return bytes.Length; }
- }
-
- /// <summary>
- /// Returns <c>true</c> if this byte string is empty, <c>false</c> otherwise.
- /// </summary>
- public bool IsEmpty
- {
- get { return Length == 0; }
- }
-
- /// <summary>
- /// Converts this <see cref="ByteString"/> into a byte array.
- /// </summary>
- /// <remarks>The data is copied - changes to the returned array will not be reflected in this <c>ByteString</c>.</remarks>
- /// <returns>A byte array with the same data as this <c>ByteString</c>.</returns>
- public byte[] ToByteArray()
- {
- return (byte[]) bytes.Clone();
- }
-
- /// <summary>
- /// Converts this <see cref="ByteString"/> into a standard base64 representation.
- /// </summary>
- /// <returns>A base64 representation of this <c>ByteString</c>.</returns>
- public string ToBase64()
- {
- return Convert.ToBase64String(bytes);
- }
-
- /// <summary>
- /// Constructs a <see cref="ByteString" /> from the Base64 Encoded String.
- /// </summary>
- public static ByteString FromBase64(string bytes)
- {
- // By handling the empty string explicitly, we not only optimize but we fix a
- // problem on CF 2.0. See issue 61 for details.
- return bytes == "" ? Empty : new ByteString(Convert.FromBase64String(bytes));
- }
-
- /// <summary>
- /// Constructs a <see cref="ByteString" /> from the given array. The contents
- /// are copied, so further modifications to the array will not
- /// be reflected in the returned ByteString.
- /// This method can also be invoked in <c>ByteString.CopyFrom(0xaa, 0xbb, ...)</c> form
- /// which is primarily useful for testing.
- /// </summary>
- public static ByteString CopyFrom(params byte[] bytes)
- {
- return new ByteString((byte[]) bytes.Clone());
- }
-
- /// <summary>
- /// Constructs a <see cref="ByteString" /> from a portion of a byte array.
- /// </summary>
- public static ByteString CopyFrom(byte[] bytes, int offset, int count)
- {
- byte[] portion = new byte[count];
- ByteArray.Copy(bytes, offset, portion, 0, count);
- return new ByteString(portion);
- }
-
- /// <summary>
- /// Creates a new <see cref="ByteString" /> by encoding the specified text with
- /// the given encoding.
- /// </summary>
- public static ByteString CopyFrom(string text, Encoding encoding)
- {
- return new ByteString(encoding.GetBytes(text));
- }
-
- /// <summary>
- /// Creates a new <see cref="ByteString" /> by encoding the specified text in UTF-8.
- /// </summary>
- public static ByteString CopyFromUtf8(string text)
- {
- return CopyFrom(text, Encoding.UTF8);
- }
-
- /// <summary>
- /// Retuns the byte at the given index.
- /// </summary>
- public byte this[int index]
- {
- get { return bytes[index]; }
- }
-
- /// <summary>
- /// Converts this <see cref="ByteString"/> into a string by applying the given encoding.
- /// </summary>
- /// <remarks>
- /// This method should only be used to convert binary data which was the result of encoding
- /// text with the given encoding.
- /// </remarks>
- /// <param name="encoding">The encoding to use to decode the binary data into text.</param>
- /// <returns>The result of decoding the binary data with the given decoding.</returns>
- public string ToString(Encoding encoding)
- {
- return encoding.GetString(bytes, 0, bytes.Length);
- }
-
- /// <summary>
- /// Converts this <see cref="ByteString"/> into a string by applying the UTF-8 encoding.
- /// </summary>
- /// <remarks>
- /// This method should only be used to convert binary data which was the result of encoding
- /// text with UTF-8.
- /// </remarks>
- /// <returns>The result of decoding the binary data with the given decoding.</returns>
- public string ToStringUtf8()
- {
- return ToString(Encoding.UTF8);
- }
-
- /// <summary>
- /// Returns an iterator over the bytes in this <see cref="ByteString"/>.
- /// </summary>
- /// <returns>An iterator over the bytes in this object.</returns>
- public IEnumerator<byte> GetEnumerator()
- {
- return ((IEnumerable<byte>) bytes).GetEnumerator();
- }
-
- /// <summary>
- /// Returns an iterator over the bytes in this <see cref="ByteString"/>.
- /// </summary>
- /// <returns>An iterator over the bytes in this object.</returns>
- IEnumerator IEnumerable.GetEnumerator()
- {
- return GetEnumerator();
- }
-
- /// <summary>
- /// Creates a CodedInputStream from this ByteString's data.
- /// </summary>
- public CodedInputStream CreateCodedInput()
- {
- // We trust CodedInputStream not to reveal the provided byte array or modify it
- return new CodedInputStream(bytes);
- }
-
- /// <summary>
- /// Compares two byte strings for equality.
- /// </summary>
- /// <param name="lhs">The first byte string to compare.</param>
- /// <param name="rhs">The second byte string to compare.</param>
- /// <returns><c>true</c> if the byte strings are equal; false otherwise.</returns>
- public static bool operator ==(ByteString lhs, ByteString rhs)
- {
- if (ReferenceEquals(lhs, rhs))
- {
- return true;
- }
- if (ReferenceEquals(lhs, null) || ReferenceEquals(rhs, null))
- {
- return false;
- }
- if (lhs.bytes.Length != rhs.bytes.Length)
- {
- return false;
- }
- for (int i = 0; i < lhs.Length; i++)
- {
- if (rhs.bytes[i] != lhs.bytes[i])
- {
- return false;
- }
- }
- return true;
- }
-
- /// <summary>
- /// Compares two byte strings for inequality.
- /// </summary>
- /// <param name="lhs">The first byte string to compare.</param>
- /// <param name="rhs">The second byte string to compare.</param>
- /// <returns><c>false</c> if the byte strings are equal; true otherwise.</returns>
- public static bool operator !=(ByteString lhs, ByteString rhs)
- {
- return !(lhs == rhs);
- }
-
- /// <summary>
- /// Compares this byte string with another object.
- /// </summary>
- /// <param name="obj">The object to compare this with.</param>
- /// <returns><c>true</c> if <paramref name="obj"/> refers to an equal <see cref="ByteString"/>; <c>false</c> otherwise.</returns>
- public override bool Equals(object obj)
- {
- return this == (obj as ByteString);
- }
-
- /// <summary>
- /// Returns a hash code for this object. Two equal byte strings
- /// will return the same hash code.
- /// </summary>
- /// <returns>A hash code for this object.</returns>
- public override int GetHashCode()
- {
- int ret = 23;
- foreach (byte b in bytes)
- {
- ret = (ret << 8) | b;
- }
- return ret;
- }
-
- /// <summary>
- /// Compares this byte string with another.
- /// </summary>
- /// <param name="other">The <see cref="ByteString"/> to compare this with.</param>
- /// <returns><c>true</c> if <paramref name="other"/> refers to an equal byte string; <c>false</c> otherwise.</returns>
- public bool Equals(ByteString other)
- {
- return this == other;
- }
-
- /// <summary>
- /// Used internally by CodedOutputStream to avoid creating a copy for the write
- /// </summary>
- internal void WriteRawBytesTo(CodedOutputStream outputStream)
- {
- outputStream.WriteRawBytes(bytes, 0, bytes.Length);
- }
-
- /// <summary>
- /// Copies the entire byte array to the destination array provided at the offset specified.
- /// </summary>
- public void CopyTo(byte[] array, int position)
- {
- ByteArray.Copy(bytes, 0, array, position, bytes.Length);
- }
-
- /// <summary>
- /// Writes the entire byte array to the provided stream
- /// </summary>
- public void WriteTo(Stream outputStream)
- {
- outputStream.Write(bytes, 0, bytes.Length);
- }
- }
+#region Copyright notice and license
+// 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.
+#endregion
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace Google.Protobuf
+{
+ /// <summary>
+ /// Immutable array of bytes.
+ /// </summary>
+ public sealed class ByteString : IEnumerable<byte>, IEquatable<ByteString>
+ {
+ private static readonly ByteString empty = new ByteString(new byte[0]);
+
+ private readonly byte[] bytes;
+
+ /// <summary>
+ /// Unsafe operations that can cause IO Failure and/or other catestrophic side-effects.
+ /// </summary>
+ internal static class Unsafe
+ {
+ /// <summary>
+ /// Constructs a new ByteString from the given byte array. The array is
+ /// *not* copied, and must not be modified after this constructor is called.
+ /// </summary>
+ internal static ByteString FromBytes(byte[] bytes)
+ {
+ return new ByteString(bytes);
+ }
+
+ /// <summary>
+ /// Provides direct, unrestricted access to the bytes contained in this instance.
+ /// You must not modify or resize the byte array returned by this method.
+ /// </summary>
+ internal static byte[] GetBuffer(ByteString bytes)
+ {
+ return bytes.bytes;
+ }
+ }
+
+ /// <summary>
+ /// Internal use only. Ensure that the provided array is not mutated and belongs to this instance.
+ /// </summary>
+ internal static ByteString AttachBytes(byte[] bytes)
+ {
+ return new ByteString(bytes);
+ }
+
+ /// <summary>
+ /// Constructs a new ByteString from the given byte array. The array is
+ /// *not* copied, and must not be modified after this constructor is called.
+ /// </summary>
+ private ByteString(byte[] bytes)
+ {
+ this.bytes = bytes;
+ }
+
+ /// <summary>
+ /// Returns an empty ByteString.
+ /// </summary>
+ public static ByteString Empty
+ {
+ get { return empty; }
+ }
+
+ /// <summary>
+ /// Returns the length of this ByteString in bytes.
+ /// </summary>
+ public int Length
+ {
+ get { return bytes.Length; }
+ }
+
+ /// <summary>
+ /// Returns <c>true</c> if this byte string is empty, <c>false</c> otherwise.
+ /// </summary>
+ public bool IsEmpty
+ {
+ get { return Length == 0; }
+ }
+
+ /// <summary>
+ /// Converts this <see cref="ByteString"/> into a byte array.
+ /// </summary>
+ /// <remarks>The data is copied - changes to the returned array will not be reflected in this <c>ByteString</c>.</remarks>
+ /// <returns>A byte array with the same data as this <c>ByteString</c>.</returns>
+ public byte[] ToByteArray()
+ {
+ return (byte[]) bytes.Clone();
+ }
+
+ /// <summary>
+ /// Converts this <see cref="ByteString"/> into a standard base64 representation.
+ /// </summary>
+ /// <returns>A base64 representation of this <c>ByteString</c>.</returns>
+ public string ToBase64()
+ {
+ return Convert.ToBase64String(bytes);
+ }
+
+ /// <summary>
+ /// Constructs a <see cref="ByteString" /> from the Base64 Encoded String.
+ /// </summary>
+ public static ByteString FromBase64(string bytes)
+ {
+ // By handling the empty string explicitly, we not only optimize but we fix a
+ // problem on CF 2.0. See issue 61 for details.
+ return bytes == "" ? Empty : new ByteString(Convert.FromBase64String(bytes));
+ }
+
+ /// <summary>
+ /// Constructs a <see cref="ByteString" /> from the given array. The contents
+ /// are copied, so further modifications to the array will not
+ /// be reflected in the returned ByteString.
+ /// This method can also be invoked in <c>ByteString.CopyFrom(0xaa, 0xbb, ...)</c> form
+ /// which is primarily useful for testing.
+ /// </summary>
+ public static ByteString CopyFrom(params byte[] bytes)
+ {
+ return new ByteString((byte[]) bytes.Clone());
+ }
+
+ /// <summary>
+ /// Constructs a <see cref="ByteString" /> from a portion of a byte array.
+ /// </summary>
+ public static ByteString CopyFrom(byte[] bytes, int offset, int count)
+ {
+ byte[] portion = new byte[count];
+ ByteArray.Copy(bytes, offset, portion, 0, count);
+ return new ByteString(portion);
+ }
+
+ /// <summary>
+ /// Creates a new <see cref="ByteString" /> by encoding the specified text with
+ /// the given encoding.
+ /// </summary>
+ public static ByteString CopyFrom(string text, Encoding encoding)
+ {
+ return new ByteString(encoding.GetBytes(text));
+ }
+
+ /// <summary>
+ /// Creates a new <see cref="ByteString" /> by encoding the specified text in UTF-8.
+ /// </summary>
+ public static ByteString CopyFromUtf8(string text)
+ {
+ return CopyFrom(text, Encoding.UTF8);
+ }
+
+ /// <summary>
+ /// Retuns the byte at the given index.
+ /// </summary>
+ public byte this[int index]
+ {
+ get { return bytes[index]; }
+ }
+
+ /// <summary>
+ /// Converts this <see cref="ByteString"/> into a string by applying the given encoding.
+ /// </summary>
+ /// <remarks>
+ /// This method should only be used to convert binary data which was the result of encoding
+ /// text with the given encoding.
+ /// </remarks>
+ /// <param name="encoding">The encoding to use to decode the binary data into text.</param>
+ /// <returns>The result of decoding the binary data with the given decoding.</returns>
+ public string ToString(Encoding encoding)
+ {
+ return encoding.GetString(bytes, 0, bytes.Length);
+ }
+
+ /// <summary>
+ /// Converts this <see cref="ByteString"/> into a string by applying the UTF-8 encoding.
+ /// </summary>
+ /// <remarks>
+ /// This method should only be used to convert binary data which was the result of encoding
+ /// text with UTF-8.
+ /// </remarks>
+ /// <returns>The result of decoding the binary data with the given decoding.</returns>
+ public string ToStringUtf8()
+ {
+ return ToString(Encoding.UTF8);
+ }
+
+ /// <summary>
+ /// Returns an iterator over the bytes in this <see cref="ByteString"/>.
+ /// </summary>
+ /// <returns>An iterator over the bytes in this object.</returns>
+ public IEnumerator<byte> GetEnumerator()
+ {
+ return ((IEnumerable<byte>) bytes).GetEnumerator();
+ }
+
+ /// <summary>
+ /// Returns an iterator over the bytes in this <see cref="ByteString"/>.
+ /// </summary>
+ /// <returns>An iterator over the bytes in this object.</returns>
+ IEnumerator IEnumerable.GetEnumerator()
+ {
+ return GetEnumerator();
+ }
+
+ /// <summary>
+ /// Creates a CodedInputStream from this ByteString's data.
+ /// </summary>
+ public CodedInputStream CreateCodedInput()
+ {
+ // We trust CodedInputStream not to reveal the provided byte array or modify it
+ return new CodedInputStream(bytes);
+ }
+
+ /// <summary>
+ /// Compares two byte strings for equality.
+ /// </summary>
+ /// <param name="lhs">The first byte string to compare.</param>
+ /// <param name="rhs">The second byte string to compare.</param>
+ /// <returns><c>true</c> if the byte strings are equal; false otherwise.</returns>
+ public static bool operator ==(ByteString lhs, ByteString rhs)
+ {
+ if (ReferenceEquals(lhs, rhs))
+ {
+ return true;
+ }
+ if (ReferenceEquals(lhs, null) || ReferenceEquals(rhs, null))
+ {
+ return false;
+ }
+ if (lhs.bytes.Length != rhs.bytes.Length)
+ {
+ return false;
+ }
+ for (int i = 0; i < lhs.Length; i++)
+ {
+ if (rhs.bytes[i] != lhs.bytes[i])
+ {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ /// <summary>
+ /// Compares two byte strings for inequality.
+ /// </summary>
+ /// <param name="lhs">The first byte string to compare.</param>
+ /// <param name="rhs">The second byte string to compare.</param>
+ /// <returns><c>false</c> if the byte strings are equal; true otherwise.</returns>
+ public static bool operator !=(ByteString lhs, ByteString rhs)
+ {
+ return !(lhs == rhs);
+ }
+
+ /// <summary>
+ /// Compares this byte string with another object.
+ /// </summary>
+ /// <param name="obj">The object to compare this with.</param>
+ /// <returns><c>true</c> if <paramref name="obj"/> refers to an equal <see cref="ByteString"/>; <c>false</c> otherwise.</returns>
+ public override bool Equals(object obj)
+ {
+ return this == (obj as ByteString);
+ }
+
+ /// <summary>
+ /// Returns a hash code for this object. Two equal byte strings
+ /// will return the same hash code.
+ /// </summary>
+ /// <returns>A hash code for this object.</returns>
+ public override int GetHashCode()
+ {
+ int ret = 23;
+ foreach (byte b in bytes)
+ {
+ ret = (ret << 8) | b;
+ }
+ return ret;
+ }
+
+ /// <summary>
+ /// Compares this byte string with another.
+ /// </summary>
+ /// <param name="other">The <see cref="ByteString"/> to compare this with.</param>
+ /// <returns><c>true</c> if <paramref name="other"/> refers to an equal byte string; <c>false</c> otherwise.</returns>
+ public bool Equals(ByteString other)
+ {
+ return this == other;
+ }
+
+ /// <summary>
+ /// Used internally by CodedOutputStream to avoid creating a copy for the write
+ /// </summary>
+ internal void WriteRawBytesTo(CodedOutputStream outputStream)
+ {
+ outputStream.WriteRawBytes(bytes, 0, bytes.Length);
+ }
+
+ /// <summary>
+ /// Copies the entire byte array to the destination array provided at the offset specified.
+ /// </summary>
+ public void CopyTo(byte[] array, int position)
+ {
+ ByteArray.Copy(bytes, 0, array, position, bytes.Length);
+ }
+
+ /// <summary>
+ /// Writes the entire byte array to the provided stream
+ /// </summary>
+ public void WriteTo(Stream outputStream)
+ {
+ outputStream.Write(bytes, 0, bytes.Length);
+ }
+ }
}

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