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// 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 CefBase {

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_

cefpython/src/include/wrapper/cef_zip_archive.h at cefpython52 · pythonthings/cefpython · GitHub

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