third_party/zlib/google/zip_internal.h

   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
   3 // found in the LICENSE file.
   4
   5 #ifndef THIRD_PARTY_ZLIB_GOOGLE_ZIP_INTERNAL_H_
   6 #define THIRD_PARTY_ZLIB_GOOGLE_ZIP_INTERNAL_H_
   7
   8 #if defined(OS_WIN)
   9 #include <windows.h>
  10 #endif
  11
  12 #include <string>
  13
  14 #if defined(USE_SYSTEM_MINIZIP)
  15 #include <minizip/unzip.h>
  16 #include <minizip/zip.h>
  17 #else
  18 #include "third_party/zlib/contrib/minizip/unzip.h"
  19 #include "third_party/zlib/contrib/minizip/zip.h"
  20 #endif
  21
  22 namespace base {
  23 class FilePath;
  24 }
  25
  26 // Utility functions and constants used internally for the zip file
  27 // library in the directory. Don't use them outside of the library.
  28 namespace zip {
  29 namespace internal {
  30
  31 // Opens the given file name in UTF-8 for unzipping, with some setup for
  32 // Windows.
  33 unzFile OpenForUnzipping(const std::string& file_name_utf8);
  34
  35 #if defined(OS_POSIX)
  36 // Opens the file referred to by |zip_fd| for unzipping.
  37 unzFile OpenFdForUnzipping(int zip_fd);
  38 #endif
  39
  40 #if defined(OS_WIN)
  41 // Opens the file referred to by |zip_handle| for unzipping.
  42 unzFile OpenHandleForUnzipping(HANDLE zip_handle);
  43 #endif
  44
  45 // Creates a custom unzFile object which reads data from the specified string.
  46 // This custom unzFile object overrides the I/O API functions of zlib so it can
  47 // read data from the specified string.
  48 unzFile PrepareMemoryForUnzipping(const std::string& data);
  49
  50 // Opens the given file name in UTF-8 for zipping, with some setup for
  51 // Windows. |append_flag| will be passed to zipOpen2().
  52 zipFile OpenForZipping(const std::string& file_name_utf8, int append_flag);
  53
  54 #if defined(OS_POSIX)
  55 // Opens the file referred to by |zip_fd| for zipping. |append_flag| will be
  56 // passed to zipOpen2().
  57 zipFile OpenFdForZipping(int zip_fd, int append_flag);
  58 #endif
  59
  60 // Returns a zip_fileinfo with the last modification date of |path| set.
  61 zip_fileinfo GetFileInfoForZipping(const base::FilePath& path);
  62
  63 // Wrapper around zipOpenNewFileInZip4 which passes most common options.
  64 bool ZipOpenNewFileInZip(zipFile zip_file,
  65                          const std::string& str_path,
  66                          const zip_fileinfo* file_info);
  67
  68 const int kZipMaxPath = 256;
  69 const int kZipBufSize = 8192;
  70
  71 }  // namespace internal
  72 }  // namespace zip
  73
  74 #endif  // THIRD_PARTY_ZLIB_GOOGLE_ZIP_INTERNAL_H_