GRPC C++  0.10.0.0
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros
slice.h
Go to the documentation of this file.
1 /*
2  *
3  * Copyright 2015, Google Inc.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are
8  * met:
9  *
10  * * Redistributions of source code must retain the above copyright
11  * notice, this list of conditions and the following disclaimer.
12  * * Redistributions in binary form must reproduce the above
13  * copyright notice, this list of conditions and the following disclaimer
14  * in the documentation and/or other materials provided with the
15  * distribution.
16  * * Neither the name of Google Inc. nor the names of its
17  * contributors may be used to endorse or promote products derived from
18  * this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  *
32  */
33 
34 #ifndef GRPCXX_SLICE_H
35 #define GRPCXX_SLICE_H
36 
37 #include <grpc/support/slice.h>
38 #include <grpc++/config.h>
39 
40 namespace grpc {
41 
43  public:
44  // construct empty slice
45  Slice();
46  // destructor - drops one ref
47  ~Slice();
48  // construct slice from grpc slice, adding a ref
49  enum AddRef { ADD_REF };
50  Slice(gpr_slice slice, AddRef);
51  // construct slice from grpc slice, stealing a ref
52  enum StealRef { STEAL_REF };
53  Slice(gpr_slice slice, StealRef);
54  // copy constructor - adds a ref
55  Slice(const Slice& other);
56  // assignment - ref count is unchanged
57  Slice& operator=(Slice other) {
58  std::swap(slice_, other.slice_);
59  return *this;
60  }
61 
62  size_t size() const { return GPR_SLICE_LENGTH(slice_); }
63  const gpr_uint8* begin() const { return GPR_SLICE_START_PTR(slice_); }
64  const gpr_uint8* end() const { return GPR_SLICE_END_PTR(slice_); }
65 
66  private:
67  friend class ByteBuffer;
68 
69  gpr_slice slice_;
70 };
71 
72 } // namespace grpc
73 
74 #endif // GRPCXX_SLICE_H
const gpr_uint8 * end() const
Definition: slice.h:64
StealRef
Definition: slice.h:52
Definition: slice.h:42
const gpr_uint8 * begin() const
Definition: slice.h:63
#define GRPC_FINAL
Definition: config.h:71
Definition: slice.h:49
Definition: slice.h:52
size_t size() const
Definition: slice.h:62
Slice & operator=(Slice other)
Definition: slice.h:57
AddRef
Definition: slice.h:49
Definition: byte_buffer.h:49