genesis-3d_engine/Engine/foundation/io/zipfs/zipfileentry.h
zhongdaohuan 6e8fbca745 genesis-3d engine version 1.3.
match the genesis editor version 1.3.0.653.
2014-05-05 14:50:33 +08:00

100 lines
3.2 KiB
Objective-C

/****************************************************************************
Copyright (c) 2006, Radon Labs GmbH
Copyright (c) 2011-2013,WebJet Business Division,CYOU
http://www.genesis-3d.com.cn
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The above copyright notice and this permission notice shall be included in
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****************************************************************************/
#pragma once
//------------------------------------------------------------------------------
/**
@class IO::ZipFileEntry
A file entry in a zip archive. The ZipFileEntry class is thread-safe,
all public methods can be invoked from on the same object from different
threads.
*/
#include "io/stream.h"
#include "zlib/unzip.h"
#include "util/stringatom.h"
//------------------------------------------------------------------------------
namespace IO
{
class ZipFileEntry
{
public:
/// constructor
ZipFileEntry();
/// destructor
~ZipFileEntry();
/// get name of the file entry
const Util::StringAtom& GetName() const;
/// get the uncompressed file size in bytes
IO::Stream::Size GetFileSize() const;
/// open the zip file
bool Open(const Util::String& password = "");
/// close the zip file
void Close();
/// read the *entire* content into the provided memory buffer
bool Read(void* buf, IO::Stream::Size bufSize);
bool SetOffset(IO::Stream::Size offset);
private:
friend class ZipArchive;
/// setup the file entry object
void Setup(const Util::StringAtom& name, unzFile zipFileHandle, Threading::CriticalSection* critSect);
Threading::CriticalSection* archiveCritSect;
Util::StringAtom name;
unzFile zipFileHandle; // handle on zip file
unz_file_pos filePosInfo; // info about position in zip file
uint uncompressedSize; // uncompressed size of the file
Stream::Size mCurrentPos;
char* m_localBuffer;
};
//------------------------------------------------------------------------------
/**
*/
inline const Util::StringAtom&
ZipFileEntry::GetName() const
{
return this->name;
}
//------------------------------------------------------------------------------
/**
*/
inline IO::Stream::Size
ZipFileEntry::GetFileSize() const
{
return this->uncompressedSize;
}
} // namespace IO
//------------------------------------------------------------------------------