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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 STORAGE_COMMON_DATA_ELEMENT_H_ | 5 #ifndef STORAGE_COMMON_DATA_ELEMENT_H_ |
6 #define STORAGE_COMMON_DATA_ELEMENT_H_ | 6 #define STORAGE_COMMON_DATA_ELEMENT_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
11 #include <limits> | 11 #include <limits> |
12 #include <ostream> | 12 #include <ostream> |
13 #include <string> | 13 #include <string> |
14 #include <vector> | 14 #include <vector> |
15 | 15 |
16 #include "base/files/file_path.h" | 16 #include "base/files/file_path.h" |
17 #include "base/gtest_prod_util.h" | 17 #include "base/gtest_prod_util.h" |
18 #include "base/logging.h" | 18 #include "base/logging.h" |
19 #include "base/time/time.h" | 19 #include "base/time/time.h" |
20 #include "storage/common/storage_common_export.h" | 20 #include "storage/common/storage_common_export.h" |
21 #include "url/gurl.h" | 21 #include "url/gurl.h" |
22 | 22 |
23 namespace storage { | 23 namespace storage { |
24 | 24 |
25 // Represents a base Web data element. This could be either one of | 25 // Represents a base Web data element. This could be either one of |
26 // bytes, file or blob data. | 26 // bytes, file or blob data. |
27 class STORAGE_COMMON_EXPORT DataElement { | 27 class STORAGE_COMMON_EXPORT DataElement { |
28 public: | 28 public: |
| 29 static const uint64_t kUnknownSize = std::numeric_limits<uint64_t>::max(); |
| 30 |
29 enum Type { | 31 enum Type { |
30 TYPE_UNKNOWN = -1, | 32 TYPE_UNKNOWN = -1, |
31 TYPE_BYTES, | 33 TYPE_BYTES, |
32 // Only used with BlobStorageMsg_StartBuildingBlob | 34 // Only used with BlobStorageMsg_StartBuildingBlob |
33 TYPE_BYTES_DESCRIPTION, | 35 TYPE_BYTES_DESCRIPTION, |
34 TYPE_FILE, | 36 TYPE_FILE, |
35 TYPE_BLOB, | 37 TYPE_BLOB, |
36 TYPE_FILE_FILESYSTEM, | 38 TYPE_FILE_FILESYSTEM, |
37 TYPE_DISK_CACHE_ENTRY, | 39 TYPE_DISK_CACHE_ENTRY, |
38 }; | 40 }; |
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155 }; | 157 }; |
156 | 158 |
157 STORAGE_COMMON_EXPORT bool operator==(const DataElement& a, | 159 STORAGE_COMMON_EXPORT bool operator==(const DataElement& a, |
158 const DataElement& b); | 160 const DataElement& b); |
159 STORAGE_COMMON_EXPORT bool operator!=(const DataElement& a, | 161 STORAGE_COMMON_EXPORT bool operator!=(const DataElement& a, |
160 const DataElement& b); | 162 const DataElement& b); |
161 | 163 |
162 } // namespace storage | 164 } // namespace storage |
163 | 165 |
164 #endif // STORAGE_COMMON_DATA_ELEMENT_H_ | 166 #endif // STORAGE_COMMON_DATA_ELEMENT_H_ |
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