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Side by Side Diff: third_party/zlib/google/zip_reader.h

Issue 1552513002: Switch to standard integer types in third_party/zlib/google/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 11 months ago
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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 #ifndef THIRD_PARTY_ZLIB_GOOGLE_ZIP_READER_H_ 4 #ifndef THIRD_PARTY_ZLIB_GOOGLE_ZIP_READER_H_
5 #define THIRD_PARTY_ZLIB_GOOGLE_ZIP_READER_H_ 5 #define THIRD_PARTY_ZLIB_GOOGLE_ZIP_READER_H_
6 6
7 #include <stddef.h>
8 #include <stdint.h>
9
7 #include <string> 10 #include <string>
8 11
9 #include "base/basictypes.h"
10 #include "base/callback.h" 12 #include "base/callback.h"
11 #include "base/files/file.h" 13 #include "base/files/file.h"
12 #include "base/files/file_path.h" 14 #include "base/files/file_path.h"
13 #include "base/files/file_util.h" 15 #include "base/files/file_util.h"
16 #include "base/macros.h"
14 #include "base/memory/scoped_ptr.h" 17 #include "base/memory/scoped_ptr.h"
15 #include "base/memory/weak_ptr.h" 18 #include "base/memory/weak_ptr.h"
16 #include "base/time/time.h" 19 #include "base/time/time.h"
17 20
18 #if defined(USE_SYSTEM_MINIZIP) 21 #if defined(USE_SYSTEM_MINIZIP)
19 #include <minizip/unzip.h> 22 #include <minizip/unzip.h>
20 #else 23 #else
21 #include "third_party/zlib/contrib/minizip/unzip.h" 24 #include "third_party/zlib/contrib/minizip/unzip.h"
22 #endif 25 #endif
23 26
(...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after
57 // using LocateAndOpenEntry(). 60 // using LocateAndOpenEntry().
58 // 61 //
59 class ZipReader { 62 class ZipReader {
60 public: 63 public:
61 // A callback that is called when the operation is successful. 64 // A callback that is called when the operation is successful.
62 typedef base::Closure SuccessCallback; 65 typedef base::Closure SuccessCallback;
63 // A callback that is called when the operation fails. 66 // A callback that is called when the operation fails.
64 typedef base::Closure FailureCallback; 67 typedef base::Closure FailureCallback;
65 // A callback that is called periodically during the operation with the number 68 // A callback that is called periodically during the operation with the number
66 // of bytes that have been processed so far. 69 // of bytes that have been processed so far.
67 typedef base::Callback<void(int64)> ProgressCallback; 70 typedef base::Callback<void(int64_t)> ProgressCallback;
68 71
69 // This class represents information of an entry (file or directory) in 72 // This class represents information of an entry (file or directory) in
70 // a zip file. 73 // a zip file.
71 class EntryInfo { 74 class EntryInfo {
72 public: 75 public:
73 EntryInfo(const std::string& filename_in_zip, 76 EntryInfo(const std::string& filename_in_zip,
74 const unz_file_info& raw_file_info); 77 const unz_file_info& raw_file_info);
75 78
76 // Returns the file path. The path is usually relative like 79 // Returns the file path. The path is usually relative like
77 // "foo/bar.txt", but if it's absolute, is_unsafe() returns true. 80 // "foo/bar.txt", but if it's absolute, is_unsafe() returns true.
78 const base::FilePath& file_path() const { return file_path_; } 81 const base::FilePath& file_path() const { return file_path_; }
79 82
80 // Returns the size of the original file (i.e. after uncompressed). 83 // Returns the size of the original file (i.e. after uncompressed).
81 // Returns 0 if the entry is a directory. 84 // Returns 0 if the entry is a directory.
82 // Note: this value should not be trusted, because it is stored as metadata 85 // Note: this value should not be trusted, because it is stored as metadata
83 // in the zip archive and can be different from the real uncompressed size. 86 // in the zip archive and can be different from the real uncompressed size.
84 int64 original_size() const { return original_size_; } 87 int64_t original_size() const { return original_size_; }
85 88
86 // Returns the last modified time. If the time stored in the zip file was 89 // Returns the last modified time. If the time stored in the zip file was
87 // not valid, the unix epoch will be returned. 90 // not valid, the unix epoch will be returned.
88 // 91 //
89 // The time stored in the zip archive uses the MS-DOS date and time format. 92 // The time stored in the zip archive uses the MS-DOS date and time format.
90 // http://msdn.microsoft.com/en-us/library/ms724247(v=vs.85).aspx 93 // http://msdn.microsoft.com/en-us/library/ms724247(v=vs.85).aspx
91 // As such the following limitations apply: 94 // As such the following limitations apply:
92 // * only years from 1980 to 2107 can be represented. 95 // * only years from 1980 to 2107 can be represented.
93 // * the time stamp has a 2 second resolution. 96 // * the time stamp has a 2 second resolution.
94 // * there's no timezone information, so the time is interpreted as local. 97 // * there's no timezone information, so the time is interpreted as local.
95 base::Time last_modified() const { return last_modified_; } 98 base::Time last_modified() const { return last_modified_; }
96 99
97 // Returns true if the entry is a directory. 100 // Returns true if the entry is a directory.
98 bool is_directory() const { return is_directory_; } 101 bool is_directory() const { return is_directory_; }
99 102
100 // Returns true if the entry is unsafe, like having ".." or invalid 103 // Returns true if the entry is unsafe, like having ".." or invalid
101 // UTF-8 characters in its file name, or the file path is absolute. 104 // UTF-8 characters in its file name, or the file path is absolute.
102 bool is_unsafe() const { return is_unsafe_; } 105 bool is_unsafe() const { return is_unsafe_; }
103 106
104 private: 107 private:
105 const base::FilePath file_path_; 108 const base::FilePath file_path_;
106 int64 original_size_; 109 int64_t original_size_;
107 base::Time last_modified_; 110 base::Time last_modified_;
108 bool is_directory_; 111 bool is_directory_;
109 bool is_unsafe_; 112 bool is_unsafe_;
110 DISALLOW_COPY_AND_ASSIGN(EntryInfo); 113 DISALLOW_COPY_AND_ASSIGN(EntryInfo);
111 }; 114 };
112 115
113 ZipReader(); 116 ZipReader();
114 ~ZipReader(); 117 ~ZipReader();
115 118
116 // Opens the zip file specified by |zip_file_path|. Returns true on 119 // Opens the zip file specified by |zip_file_path|. Returns true on
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230 233
231 // Resets the internal state. 234 // Resets the internal state.
232 void Reset(); 235 void Reset();
233 236
234 // Extracts a chunk of the file to the target. Will post a task for the next 237 // Extracts a chunk of the file to the target. Will post a task for the next
235 // chunk and success/failure/progress callbacks as necessary. 238 // chunk and success/failure/progress callbacks as necessary.
236 void ExtractChunk(base::File target_file, 239 void ExtractChunk(base::File target_file,
237 const SuccessCallback& success_callback, 240 const SuccessCallback& success_callback,
238 const FailureCallback& failure_callback, 241 const FailureCallback& failure_callback,
239 const ProgressCallback& progress_callback, 242 const ProgressCallback& progress_callback,
240 const int64 offset); 243 const int64_t offset);
241 244
242 unzFile zip_file_; 245 unzFile zip_file_;
243 int num_entries_; 246 int num_entries_;
244 bool reached_end_; 247 bool reached_end_;
245 scoped_ptr<EntryInfo> current_entry_info_; 248 scoped_ptr<EntryInfo> current_entry_info_;
246 249
247 base::WeakPtrFactory<ZipReader> weak_ptr_factory_; 250 base::WeakPtrFactory<ZipReader> weak_ptr_factory_;
248 251
249 DISALLOW_COPY_AND_ASSIGN(ZipReader); 252 DISALLOW_COPY_AND_ASSIGN(ZipReader);
250 }; 253 };
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269 private: 272 private:
270 base::File* file_; 273 base::File* file_;
271 int64_t file_length_; 274 int64_t file_length_;
272 275
273 DISALLOW_COPY_AND_ASSIGN(FileWriterDelegate); 276 DISALLOW_COPY_AND_ASSIGN(FileWriterDelegate);
274 }; 277 };
275 278
276 } // namespace zip 279 } // namespace zip
277 280
278 #endif // THIRD_PARTY_ZLIB_GOOGLE_ZIP_READER_H_ 281 #endif // THIRD_PARTY_ZLIB_GOOGLE_ZIP_READER_H_
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