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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 CHROME_UTILITY_MEDIA_GALLERIES_PMP_COLUMN_READER_H_ | 5 #ifndef CHROME_UTILITY_MEDIA_GALLERIES_PMP_COLUMN_READER_H_ |
6 #define CHROME_UTILITY_MEDIA_GALLERIES_PMP_COLUMN_READER_H_ | 6 #define CHROME_UTILITY_MEDIA_GALLERIES_PMP_COLUMN_READER_H_ |
7 | 7 |
| 8 #include <stdint.h> |
| 9 |
8 #include <string> | 10 #include <string> |
9 #include <vector> | 11 #include <vector> |
10 | 12 |
11 #include "base/basictypes.h" | 13 #include "base/macros.h" |
12 #include "base/memory/scoped_ptr.h" | 14 #include "base/memory/scoped_ptr.h" |
13 #include "chrome/common/media_galleries/pmp_constants.h" | 15 #include "chrome/common/media_galleries/pmp_constants.h" |
14 | 16 |
15 namespace base { | 17 namespace base { |
16 class File; | 18 class File; |
17 class FilePath; | 19 class FilePath; |
18 } | 20 } |
19 | 21 |
20 namespace picasa { | 22 namespace picasa { |
21 | 23 |
22 // Reads a single PMP column from a file. | 24 // Reads a single PMP column from a file. |
23 class PmpColumnReader { | 25 class PmpColumnReader { |
24 public: | 26 public: |
25 PmpColumnReader(); | 27 PmpColumnReader(); |
26 virtual ~PmpColumnReader(); | 28 virtual ~PmpColumnReader(); |
27 | 29 |
28 // Returns true if read successfully. | 30 // Returns true if read successfully. |
29 // |rows_read| is undefined if returns false. | 31 // |rows_read| is undefined if returns false. |
30 bool ReadFile(base::File* file, const PmpFieldType expected_type); | 32 bool ReadFile(base::File* file, const PmpFieldType expected_type); |
31 | 33 |
32 // These functions read the value of that |row| into |result|. | 34 // These functions read the value of that |row| into |result|. |
33 // Functions return false if the column is of the wrong type or the row | 35 // Functions return false if the column is of the wrong type or the row |
34 // is out of range. May only be called after successful ReadColumn. | 36 // is out of range. May only be called after successful ReadColumn. |
35 bool ReadString(const uint32 row, std::string* result) const; | 37 bool ReadString(const uint32_t row, std::string* result) const; |
36 bool ReadUInt32(const uint32 row, uint32* result) const; | 38 bool ReadUInt32(const uint32_t row, uint32_t* result) const; |
37 bool ReadDouble64(const uint32 row, double* result) const; | 39 bool ReadDouble64(const uint32_t row, double* result) const; |
38 bool ReadUInt8(const uint32 row, uint8* result) const; | 40 bool ReadUInt8(const uint32_t row, uint8_t* result) const; |
39 bool ReadUInt64(const uint32 row, uint64* result) const; | 41 bool ReadUInt64(const uint32_t row, uint64_t* result) const; |
40 | 42 |
41 // May only be called after successful ReadColumn. | 43 // May only be called after successful ReadColumn. |
42 uint32 rows_read() const; | 44 uint32_t rows_read() const; |
43 | 45 |
44 private: | 46 private: |
45 bool ParseData(const PmpFieldType expected_type); | 47 bool ParseData(const PmpFieldType expected_type); |
46 // Returns the number of bytes parsed in the body, or, -1 on failure. | 48 // Returns the number of bytes parsed in the body, or, -1 on failure. |
47 int64 IndexStrings(); | 49 int64_t IndexStrings(); |
48 | 50 |
49 // Source data | 51 // Source data |
50 scoped_ptr<uint8[]> data_; | 52 scoped_ptr<uint8_t[]> data_; |
51 int64 length_; | 53 int64_t length_; |
52 | 54 |
53 // Header data | 55 // Header data |
54 PmpFieldType field_type_; | 56 PmpFieldType field_type_; |
55 uint32 rows_read_; | 57 uint32_t rows_read_; |
56 | 58 |
57 // Index of string start locations if fields are strings. Empty otherwise. | 59 // Index of string start locations if fields are strings. Empty otherwise. |
58 std::vector<const char*> strings_; | 60 std::vector<const char*> strings_; |
59 | 61 |
60 DISALLOW_COPY_AND_ASSIGN(PmpColumnReader); | 62 DISALLOW_COPY_AND_ASSIGN(PmpColumnReader); |
61 }; | 63 }; |
62 | 64 |
63 } // namespace picasa | 65 } // namespace picasa |
64 | 66 |
65 #endif // CHROME_UTILITY_MEDIA_GALLERIES_PMP_COLUMN_READER_H_ | 67 #endif // CHROME_UTILITY_MEDIA_GALLERIES_PMP_COLUMN_READER_H_ |
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