144 lines
4.7 KiB
C++
144 lines
4.7 KiB
C++
// 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_
|