| // Copyright (c) 2011 Marshall A. Greenblatt. All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the name Chromium Embedded |
| // Framework nor the names of its contributors may be used to endorse |
| // or promote products derived from this software without specific prior |
| // written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| // |
| // --------------------------------------------------------------------------- |
| // |
| // The contents of this file are only available to applications that link |
| // against the libcef_dll_wrapper target. |
| // |
| |
| #ifndef CEF_INCLUDE_WRAPPER_CEF_ZIP_ARCHIVE_H_ |
| #define CEF_INCLUDE_WRAPPER_CEF_ZIP_ARCHIVE_H_ |
| #pragma once |
| |
| #include <map> |
| |
| #include "include/base/cef_lock.h" |
| #include "include/base/cef_macros.h" |
| #include "include/base/cef_ref_counted.h" |
| #include "include/cef_base.h" |
| |
| class CefStreamReader; |
| |
| /// |
| // Thread-safe class for accessing zip archive file contents. This class should |
| // not be used with large archive files because all data will be resident in |
| // memory at the same time. This implementation supports a restricted set of zip |
| // archive features: |
| // (1) All file names are stored and compared in lower case. |
| // (2) File ordering from the original zip archive is not maintained. This |
| // means that files from the same folder may not be located together in the |
| // file content map. |
| /// |
| class CefZipArchive : public base::RefCountedThreadSafe<CefZipArchive> { |
| public: |
| /// |
| // Class representing a file in the archive. Accessing the file data from |
| // multiple threads is safe provided a reference to the File object is kept. |
| /// |
| class File : public CefBaseRefCounted { |
| public: |
| /// |
| // Returns the read-only data contained in the file. |
| /// |
| virtual const unsigned char* GetData() const = 0; |
| |
| /// |
| // Returns the size of the data in the file. |
| /// |
| virtual size_t GetDataSize() const = 0; |
| |
| /// |
| // Returns a CefStreamReader object for streaming the contents of the file. |
| /// |
| virtual CefRefPtr<CefStreamReader> GetStreamReader() const = 0; |
| }; |
| |
| typedef std::map<CefString, CefRefPtr<File>> FileMap; |
| |
| /// |
| // Create a new object. |
| /// |
| CefZipArchive(); |
| |
| /// |
| // Load the contents of the specified zip archive stream into this object. |
| // If the zip archive requires a password then provide it via |password|. |
| // If |overwriteExisting| is true then any files in this object that also |
| // exist in the specified archive will be replaced with the new files. |
| // Returns the number of files successfully loaded. |
| /// |
| size_t Load(CefRefPtr<CefStreamReader> stream, |
| const CefString& password, |
| bool overwriteExisting); |
| |
| /// |
| // Clears the contents of this object. |
| /// |
| void Clear(); |
| |
| /// |
| // Returns the number of files in the archive. |
| /// |
| size_t GetFileCount() const; |
| |
| /// |
| // Returns true if the specified file exists and has contents. |
| /// |
| bool HasFile(const CefString& fileName) const; |
| |
| /// |
| // Returns the specified file. |
| /// |
| CefRefPtr<File> GetFile(const CefString& fileName) const; |
| |
| /// |
| // Removes the specified file. |
| /// |
| bool RemoveFile(const CefString& fileName); |
| |
| /// |
| // Returns the map of all files. |
| /// |
| size_t GetFiles(FileMap& map) const; |
| |
| private: |
| // Protect against accidental deletion of this object. |
| friend class base::RefCountedThreadSafe<CefZipArchive>; |
| ~CefZipArchive(); |
| |
| FileMap contents_; |
| |
| mutable base::Lock lock_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CefZipArchive); |
| }; |
| |
| #endif // CEF_INCLUDE_WRAPPER_CEF_ZIP_ARCHIVE_H_ |