1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2008 Google Inc. All rights reserved.
3 // https://developers.google.com/protocol-buffers/
4 //
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are
7 // met:
8 //
9 // * Redistributions of source code must retain the above copyright
10 // notice, this list of conditions and the following disclaimer.
11 // * Redistributions in binary form must reproduce the above
12 // copyright notice, this list of conditions and the following disclaimer
13 // in the documentation and/or other materials provided with the
14 // distribution.
15 // * Neither the name of Google Inc. nor the names of its
16 // contributors may be used to endorse or promote products derived from
17 // this software without specific prior written permission.
18 //
19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31 package com.google.protobuf.kotlin
32
33 import com.google.protobuf.ByteString
34 import java.nio.ByteBuffer
35
36 /** Encodes this String into a sequence of UTF-8 bytes and returns the result as a [ByteString]. */
toByteStringUtf8null37 fun String.toByteStringUtf8(): ByteString =
38 ByteString.copyFromUtf8(this) // symmetric from ByteString.toStringUtf8()
39
40 /** Concatenates the given [ByteString] to this one. */
41 operator fun ByteString.plus(other: ByteString): ByteString = concat(other)
42
43 /** Gets the byte at [index]. */
44 operator fun ByteString.get(index: Int): Byte = byteAt(index)
45
46 /** Checks if this is not empty. */
47 fun ByteString.isNotEmpty(): Boolean = !isEmpty()
48
49 /** Returns a copy of this [ByteArray] as an immutable [ByteString]. */
50 fun ByteArray.toByteString(): ByteString = ByteString.copyFrom(this)
51
52 /** Copies the remaining bytes from this [ByteBuffer] to a [ByteString]. */
53 fun ByteBuffer.toByteString(): ByteString = ByteString.copyFrom(this)
54