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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_HTTP_HTTP_BYTE_RANGE_H_ | 5 #ifndef NET_HTTP_HTTP_BYTE_RANGE_H_ |
6 #define NET_HTTP_HTTP_BYTE_RANGE_H_ | 6 #define NET_HTTP_HTTP_BYTE_RANGE_H_ |
7 | 7 |
| 8 #include <stdint.h> |
| 9 |
8 #include <string> | 10 #include <string> |
9 | 11 |
10 #include "base/basictypes.h" | |
11 #include "net/base/net_export.h" | 12 #include "net/base/net_export.h" |
12 | 13 |
13 namespace net { | 14 namespace net { |
14 | 15 |
15 // A container class that represents a "range" specified for range request | 16 // A container class that represents a "range" specified for range request |
16 // specified by RFC 7233 Section 2.1. | 17 // specified by RFC 7233 Section 2.1. |
17 // https://tools.ietf.org/html/rfc7233#section-2.1 | 18 // https://tools.ietf.org/html/rfc7233#section-2.1 |
18 class NET_EXPORT HttpByteRange { | 19 class NET_EXPORT HttpByteRange { |
19 public: | 20 public: |
20 HttpByteRange(); | 21 HttpByteRange(); |
21 | 22 |
22 // Convenience constructors. | 23 // Convenience constructors. |
23 static HttpByteRange Bounded(int64 first_byte_position, | 24 static HttpByteRange Bounded(int64_t first_byte_position, |
24 int64 last_byte_position); | 25 int64_t last_byte_position); |
25 static HttpByteRange RightUnbounded(int64 first_byte_position); | 26 static HttpByteRange RightUnbounded(int64_t first_byte_position); |
26 static HttpByteRange Suffix(int64 suffix_length); | 27 static HttpByteRange Suffix(int64_t suffix_length); |
27 | 28 |
28 // Since this class is POD, we use constructor, assignment operator | 29 // Since this class is POD, we use constructor, assignment operator |
29 // and destructor provided by compiler. | 30 // and destructor provided by compiler. |
30 int64 first_byte_position() const { return first_byte_position_; } | 31 int64_t first_byte_position() const { return first_byte_position_; } |
31 void set_first_byte_position(int64 value) { first_byte_position_ = value; } | 32 void set_first_byte_position(int64_t value) { first_byte_position_ = value; } |
32 | 33 |
33 int64 last_byte_position() const { return last_byte_position_; } | 34 int64_t last_byte_position() const { return last_byte_position_; } |
34 void set_last_byte_position(int64 value) { last_byte_position_ = value; } | 35 void set_last_byte_position(int64_t value) { last_byte_position_ = value; } |
35 | 36 |
36 int64 suffix_length() const { return suffix_length_; } | 37 int64_t suffix_length() const { return suffix_length_; } |
37 void set_suffix_length(int64 value) { suffix_length_ = value; } | 38 void set_suffix_length(int64_t value) { suffix_length_ = value; } |
38 | 39 |
39 // Returns true if this is a suffix byte range. | 40 // Returns true if this is a suffix byte range. |
40 bool IsSuffixByteRange() const; | 41 bool IsSuffixByteRange() const; |
41 // Returns true if the first byte position is specified in this request. | 42 // Returns true if the first byte position is specified in this request. |
42 bool HasFirstBytePosition() const; | 43 bool HasFirstBytePosition() const; |
43 // Returns true if the last byte position is specified in this request. | 44 // Returns true if the last byte position is specified in this request. |
44 bool HasLastBytePosition() const; | 45 bool HasLastBytePosition() const; |
45 | 46 |
46 // Returns true if this range is valid. | 47 // Returns true if this range is valid. |
47 bool IsValid() const; | 48 bool IsValid() const; |
48 | 49 |
49 // Gets the header string, e.g. "bytes=0-100", "bytes=100-", "bytes=-100". | 50 // Gets the header string, e.g. "bytes=0-100", "bytes=100-", "bytes=-100". |
50 // Assumes range is valid. | 51 // Assumes range is valid. |
51 std::string GetHeaderValue() const; | 52 std::string GetHeaderValue() const; |
52 | 53 |
53 // A method that when given the size in bytes of a file, adjust the internal | 54 // A method that when given the size in bytes of a file, adjust the internal |
54 // |first_byte_position_| and |last_byte_position_| values according to the | 55 // |first_byte_position_| and |last_byte_position_| values according to the |
55 // range specified by this object. If the range specified is invalid with | 56 // range specified by this object. If the range specified is invalid with |
56 // regard to the size or |size| is negative, returns false and there will be | 57 // regard to the size or |size| is negative, returns false and there will be |
57 // no side effect. | 58 // no side effect. |
58 // Returns false if this method is called more than once and there will be | 59 // Returns false if this method is called more than once and there will be |
59 // no side effect. | 60 // no side effect. |
60 bool ComputeBounds(int64 size); | 61 bool ComputeBounds(int64_t size); |
61 | 62 |
62 private: | 63 private: |
63 int64 first_byte_position_; | 64 int64_t first_byte_position_; |
64 int64 last_byte_position_; | 65 int64_t last_byte_position_; |
65 int64 suffix_length_; | 66 int64_t suffix_length_; |
66 bool has_computed_bounds_; | 67 bool has_computed_bounds_; |
67 }; | 68 }; |
68 | 69 |
69 } // namespace net | 70 } // namespace net |
70 | 71 |
71 #endif // NET_HTTP_HTTP_BYTE_RANGE_H_ | 72 #endif // NET_HTTP_HTTP_BYTE_RANGE_H_ |
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