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Side by Side Diff: net/spdy/hpack/hpack_input_stream.h

Issue 1535363003: Switch to standard integer types in net/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: stddef Created 5 years ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef NET_SPDY_HPACK_INPUT_STREAM_H_ 5 #ifndef NET_SPDY_HPACK_INPUT_STREAM_H_
6 #define NET_SPDY_HPACK_INPUT_STREAM_H_ 6 #define NET_SPDY_HPACK_INPUT_STREAM_H_
7 7
8 #include <stddef.h>
9 #include <stdint.h>
10
8 #include <string> 11 #include <string>
9 12
10 #include "base/basictypes.h"
11 #include "base/macros.h" 13 #include "base/macros.h"
12 #include "base/strings/string_piece.h" 14 #include "base/strings/string_piece.h"
13 #include "net/base/net_export.h" 15 #include "net/base/net_export.h"
14 #include "net/spdy/hpack/hpack_constants.h" 16 #include "net/spdy/hpack/hpack_constants.h"
15 #include "net/spdy/hpack/hpack_huffman_table.h" 17 #include "net/spdy/hpack/hpack_huffman_table.h"
16 18
17 // All section references below are to 19 // All section references below are to
18 // http://tools.ietf.org/html/draft-ietf-httpbis-header-compression-08 20 // http://tools.ietf.org/html/draft-ietf-httpbis-header-compression-08
19 21
20 namespace net { 22 namespace net {
21 23
22 // An HpackInputStream handles all the low-level details of decoding 24 // An HpackInputStream handles all the low-level details of decoding
23 // header fields. 25 // header fields.
24 class NET_EXPORT_PRIVATE HpackInputStream { 26 class NET_EXPORT_PRIVATE HpackInputStream {
25 public: 27 public:
26 // |max_string_literal_size| is the largest that any one string 28 // |max_string_literal_size| is the largest that any one string
27 // literal (header name or header value) can be. 29 // literal (header name or header value) can be.
28 HpackInputStream(uint32 max_string_literal_size, base::StringPiece buffer); 30 HpackInputStream(uint32_t max_string_literal_size, base::StringPiece buffer);
29 ~HpackInputStream(); 31 ~HpackInputStream();
30 32
31 // Returns whether or not there is more data to process. 33 // Returns whether or not there is more data to process.
32 bool HasMoreData() const; 34 bool HasMoreData() const;
33 35
34 // If the next bits of input match |prefix|, consumes them and returns true. 36 // If the next bits of input match |prefix|, consumes them and returns true.
35 // Otherwise, consumes nothing and returns false. 37 // Otherwise, consumes nothing and returns false.
36 bool MatchPrefixAndConsume(HpackPrefix prefix); 38 bool MatchPrefixAndConsume(HpackPrefix prefix);
37 39
38 // The Decode* functions return true and fill in their arguments if 40 // The Decode* functions return true and fill in their arguments if
39 // decoding was successful, or false if an error was encountered. 41 // decoding was successful, or false if an error was encountered.
40 42
41 bool DecodeNextUint32(uint32* I); 43 bool DecodeNextUint32(uint32_t* I);
42 bool DecodeNextIdentityString(base::StringPiece* str); 44 bool DecodeNextIdentityString(base::StringPiece* str);
43 bool DecodeNextHuffmanString(const HpackHuffmanTable& table, 45 bool DecodeNextHuffmanString(const HpackHuffmanTable& table,
44 std::string* str); 46 std::string* str);
45 47
46 // Stores input bits into the most-significant, unfilled bits of |out|. 48 // Stores input bits into the most-significant, unfilled bits of |out|.
47 // |peeked_count| is the number of filled bits in |out| which have been 49 // |peeked_count| is the number of filled bits in |out| which have been
48 // previously peeked. PeekBits() will fill some number of remaining bits, 50 // previously peeked. PeekBits() will fill some number of remaining bits,
49 // returning the new total number via |peeked_count|. Returns true if one 51 // returning the new total number via |peeked_count|. Returns true if one
50 // or more additional bits could be peeked, and false otherwise. 52 // or more additional bits could be peeked, and false otherwise.
51 bool PeekBits(size_t* peeked_count, uint32* out) const; 53 bool PeekBits(size_t* peeked_count, uint32_t* out) const;
52 54
53 // Consumes |count| bits of input. Generally paired with PeekBits(). 55 // Consumes |count| bits of input. Generally paired with PeekBits().
54 void ConsumeBits(size_t count); 56 void ConsumeBits(size_t count);
55 57
56 // If not currently on a byte boundary, consumes and discards 58 // If not currently on a byte boundary, consumes and discards
57 // remaining bits in the current byte. 59 // remaining bits in the current byte.
58 void ConsumeByteRemainder(); 60 void ConsumeByteRemainder();
59 61
60 // Accessors for testing. 62 // Accessors for testing.
61 63
62 void SetBitOffsetForTest(size_t bit_offset) { bit_offset_ = bit_offset; } 64 void SetBitOffsetForTest(size_t bit_offset) { bit_offset_ = bit_offset; }
63 65
64 private: 66 private:
65 const uint32 max_string_literal_size_; 67 const uint32_t max_string_literal_size_;
66 base::StringPiece buffer_; 68 base::StringPiece buffer_;
67 size_t bit_offset_; 69 size_t bit_offset_;
68 70
69 bool PeekNextOctet(uint8* next_octet); 71 bool PeekNextOctet(uint8_t* next_octet);
70 72
71 bool DecodeNextOctet(uint8* next_octet); 73 bool DecodeNextOctet(uint8_t* next_octet);
72 74
73 DISALLOW_COPY_AND_ASSIGN(HpackInputStream); 75 DISALLOW_COPY_AND_ASSIGN(HpackInputStream);
74 }; 76 };
75 77
76 } // namespace net 78 } // namespace net
77 79
78 #endif // NET_SPDY_HPACK_INPUT_STREAM_H_ 80 #endif // NET_SPDY_HPACK_INPUT_STREAM_H_
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