3f66f6a5b3
This keyword is not expanded by Git which means it's not replaced with the correct revision value in the releases made using git-based scripts and it's confusing to have lines with unexpanded "$Id$" in the released files. As expanding them with Git is not that simple (it could be done with git archive and export-subst attribute) and there are not many benefits in having them in the first place, just remove all these lines. If nothing else, this will make an eventual transition to Git simpler. Closes #14487. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74602 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
575 lines
19 KiB
C++
575 lines
19 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/zipstrm.h
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// Purpose: Streams for Zip files
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// Author: Mike Wetherell
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// Copyright: (c) Mike Wetherell
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_WXZIPSTREAM_H__
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#define _WX_WXZIPSTREAM_H__
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#include "wx/defs.h"
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#if wxUSE_ZIPSTREAM
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#include "wx/archive.h"
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#include "wx/filename.h"
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// some methods from wxZipInputStream and wxZipOutputStream stream do not get
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// exported/imported when compiled with Mingw versions before 3.4.2. So they
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// are imported/exported individually as a workaround
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#if (defined(__GNUWIN32__) || defined(__MINGW32__)) \
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&& (!defined __GNUC__ \
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|| !defined __GNUC_MINOR__ \
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|| !defined __GNUC_PATCHLEVEL__ \
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|| __GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__ < 30402)
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#define WXZIPFIX WXDLLIMPEXP_BASE
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#else
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#define WXZIPFIX
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// constants
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// Compression Method, only 0 (store) and 8 (deflate) are supported here
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//
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enum wxZipMethod
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{
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wxZIP_METHOD_STORE,
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wxZIP_METHOD_SHRINK,
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wxZIP_METHOD_REDUCE1,
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wxZIP_METHOD_REDUCE2,
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wxZIP_METHOD_REDUCE3,
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wxZIP_METHOD_REDUCE4,
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wxZIP_METHOD_IMPLODE,
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wxZIP_METHOD_TOKENIZE,
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wxZIP_METHOD_DEFLATE,
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wxZIP_METHOD_DEFLATE64,
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wxZIP_METHOD_BZIP2 = 12,
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wxZIP_METHOD_DEFAULT = 0xffff
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};
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// Originating File-System.
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//
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// These are Pkware's values. Note that Info-zip disagree on some of them,
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// most notably NTFS.
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//
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enum wxZipSystem
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{
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wxZIP_SYSTEM_MSDOS,
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wxZIP_SYSTEM_AMIGA,
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wxZIP_SYSTEM_OPENVMS,
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wxZIP_SYSTEM_UNIX,
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wxZIP_SYSTEM_VM_CMS,
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wxZIP_SYSTEM_ATARI_ST,
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wxZIP_SYSTEM_OS2_HPFS,
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wxZIP_SYSTEM_MACINTOSH,
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wxZIP_SYSTEM_Z_SYSTEM,
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wxZIP_SYSTEM_CPM,
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wxZIP_SYSTEM_WINDOWS_NTFS,
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wxZIP_SYSTEM_MVS,
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wxZIP_SYSTEM_VSE,
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wxZIP_SYSTEM_ACORN_RISC,
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wxZIP_SYSTEM_VFAT,
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wxZIP_SYSTEM_ALTERNATE_MVS,
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wxZIP_SYSTEM_BEOS,
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wxZIP_SYSTEM_TANDEM,
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wxZIP_SYSTEM_OS_400
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};
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// Dos/Win file attributes
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//
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enum wxZipAttributes
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{
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wxZIP_A_RDONLY = 0x01,
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wxZIP_A_HIDDEN = 0x02,
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wxZIP_A_SYSTEM = 0x04,
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wxZIP_A_SUBDIR = 0x10,
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wxZIP_A_ARCH = 0x20,
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wxZIP_A_MASK = 0x37
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};
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// Values for the flags field in the zip headers
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//
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enum wxZipFlags
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{
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wxZIP_ENCRYPTED = 0x0001,
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wxZIP_DEFLATE_NORMAL = 0x0000, // normal compression
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wxZIP_DEFLATE_EXTRA = 0x0002, // extra compression
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wxZIP_DEFLATE_FAST = 0x0004, // fast compression
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wxZIP_DEFLATE_SUPERFAST = 0x0006, // superfast compression
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wxZIP_DEFLATE_MASK = 0x0006,
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wxZIP_SUMS_FOLLOW = 0x0008, // crc and sizes come after the data
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wxZIP_ENHANCED = 0x0010,
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wxZIP_PATCH = 0x0020,
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wxZIP_STRONG_ENC = 0x0040,
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wxZIP_UNUSED = 0x0F80,
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wxZIP_RESERVED = 0xF000
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};
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// Forward decls
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//
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class WXDLLIMPEXP_FWD_BASE wxZipEntry;
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class WXDLLIMPEXP_FWD_BASE wxZipInputStream;
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/////////////////////////////////////////////////////////////////////////////
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// wxZipNotifier
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class WXDLLIMPEXP_BASE wxZipNotifier
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{
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public:
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virtual ~wxZipNotifier() { }
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virtual void OnEntryUpdated(wxZipEntry& entry) = 0;
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};
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/////////////////////////////////////////////////////////////////////////////
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// Zip Entry - holds the meta data for a file in the zip
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class WXDLLIMPEXP_BASE wxZipEntry : public wxArchiveEntry
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{
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public:
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wxZipEntry(const wxString& name = wxEmptyString,
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const wxDateTime& dt = wxDateTime::Now(),
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wxFileOffset size = wxInvalidOffset);
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virtual ~wxZipEntry();
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wxZipEntry(const wxZipEntry& entry);
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wxZipEntry& operator=(const wxZipEntry& entry);
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// Get accessors
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wxDateTime GetDateTime() const { return m_DateTime; }
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wxFileOffset GetSize() const { return m_Size; }
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wxFileOffset GetOffset() const { return m_Offset; }
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wxString GetInternalName() const { return m_Name; }
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int GetMethod() const { return m_Method; }
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int GetFlags() const { return m_Flags; }
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wxUint32 GetCrc() const { return m_Crc; }
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wxFileOffset GetCompressedSize() const { return m_CompressedSize; }
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int GetSystemMadeBy() const { return m_SystemMadeBy; }
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wxString GetComment() const { return m_Comment; }
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wxUint32 GetExternalAttributes() const { return m_ExternalAttributes; }
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wxPathFormat GetInternalFormat() const { return wxPATH_UNIX; }
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int GetMode() const;
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const char *GetLocalExtra() const;
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size_t GetLocalExtraLen() const;
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const char *GetExtra() const;
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size_t GetExtraLen() const;
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wxString GetName(wxPathFormat format = wxPATH_NATIVE) const;
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// is accessors
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inline bool IsDir() const;
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inline bool IsText() const;
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inline bool IsReadOnly() const;
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inline bool IsMadeByUnix() const;
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// set accessors
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void SetDateTime(const wxDateTime& dt) { m_DateTime = dt; }
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void SetSize(wxFileOffset size) { m_Size = size; }
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void SetMethod(int method) { m_Method = (wxUint16)method; }
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void SetComment(const wxString& comment) { m_Comment = comment; }
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void SetExternalAttributes(wxUint32 attr ) { m_ExternalAttributes = attr; }
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void SetSystemMadeBy(int system);
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void SetMode(int mode);
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void SetExtra(const char *extra, size_t len);
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void SetLocalExtra(const char *extra, size_t len);
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inline void SetName(const wxString& name,
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wxPathFormat format = wxPATH_NATIVE);
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static wxString GetInternalName(const wxString& name,
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wxPathFormat format = wxPATH_NATIVE,
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bool *pIsDir = NULL);
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// set is accessors
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void SetIsDir(bool isDir = true);
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inline void SetIsReadOnly(bool isReadOnly = true);
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inline void SetIsText(bool isText = true);
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wxZipEntry *Clone() const { return ZipClone(); }
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void SetNotifier(wxZipNotifier& notifier);
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void UnsetNotifier();
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protected:
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// Internal attributes
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enum { TEXT_ATTR = 1 };
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// protected Get accessors
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int GetVersionNeeded() const { return m_VersionNeeded; }
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wxFileOffset GetKey() const { return m_Key; }
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int GetVersionMadeBy() const { return m_VersionMadeBy; }
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int GetDiskStart() const { return m_DiskStart; }
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int GetInternalAttributes() const { return m_InternalAttributes; }
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void SetVersionNeeded(int version) { m_VersionNeeded = (wxUint16)version; }
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void SetOffset(wxFileOffset offset) { m_Offset = offset; }
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void SetFlags(int flags) { m_Flags = (wxUint16)flags; }
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void SetVersionMadeBy(int version) { m_VersionMadeBy = (wxUint8)version; }
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void SetCrc(wxUint32 crc) { m_Crc = crc; }
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void SetCompressedSize(wxFileOffset size) { m_CompressedSize = size; }
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void SetKey(wxFileOffset offset) { m_Key = offset; }
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void SetDiskStart(int start) { m_DiskStart = (wxUint16)start; }
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void SetInternalAttributes(int attr) { m_InternalAttributes = (wxUint16)attr; }
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virtual wxZipEntry *ZipClone() const { return new wxZipEntry(*this); }
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void Notify();
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private:
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wxArchiveEntry* DoClone() const { return ZipClone(); }
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size_t ReadLocal(wxInputStream& stream, wxMBConv& conv);
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size_t WriteLocal(wxOutputStream& stream, wxMBConv& conv) const;
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size_t ReadCentral(wxInputStream& stream, wxMBConv& conv);
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size_t WriteCentral(wxOutputStream& stream, wxMBConv& conv) const;
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size_t ReadDescriptor(wxInputStream& stream);
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size_t WriteDescriptor(wxOutputStream& stream, wxUint32 crc,
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wxFileOffset compressedSize, wxFileOffset size);
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wxUint8 m_SystemMadeBy; // one of enum wxZipSystem
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wxUint8 m_VersionMadeBy; // major * 10 + minor
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wxUint16 m_VersionNeeded; // ver needed to extract (20 i.e. v2.0)
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wxUint16 m_Flags;
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wxUint16 m_Method; // compression method (one of wxZipMethod)
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wxDateTime m_DateTime;
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wxUint32 m_Crc;
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wxFileOffset m_CompressedSize;
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wxFileOffset m_Size;
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wxString m_Name; // in internal format
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wxFileOffset m_Key; // the original offset for copied entries
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wxFileOffset m_Offset; // file offset of the entry
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wxString m_Comment;
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wxUint16 m_DiskStart; // for multidisk archives, not unsupported
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wxUint16 m_InternalAttributes; // bit 0 set for text files
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wxUint32 m_ExternalAttributes; // system specific depends on SystemMadeBy
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class wxZipMemory *m_Extra;
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class wxZipMemory *m_LocalExtra;
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wxZipNotifier *m_zipnotifier;
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class wxZipWeakLinks *m_backlink;
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friend class wxZipInputStream;
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friend class wxZipOutputStream;
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DECLARE_DYNAMIC_CLASS(wxZipEntry)
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};
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/////////////////////////////////////////////////////////////////////////////
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// wxZipOutputStream
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WX_DECLARE_LIST_WITH_DECL(wxZipEntry, wxZipEntryList_, class WXDLLIMPEXP_BASE);
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class WXDLLIMPEXP_BASE wxZipOutputStream : public wxArchiveOutputStream
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{
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public:
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wxZipOutputStream(wxOutputStream& stream,
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int level = -1,
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wxMBConv& conv = wxConvLocal);
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wxZipOutputStream(wxOutputStream *stream,
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int level = -1,
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wxMBConv& conv = wxConvLocal);
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virtual WXZIPFIX ~wxZipOutputStream();
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bool PutNextEntry(wxZipEntry *entry) { return DoCreate(entry); }
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bool WXZIPFIX PutNextEntry(const wxString& name,
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const wxDateTime& dt = wxDateTime::Now(),
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wxFileOffset size = wxInvalidOffset);
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bool WXZIPFIX PutNextDirEntry(const wxString& name,
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const wxDateTime& dt = wxDateTime::Now());
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bool WXZIPFIX CopyEntry(wxZipEntry *entry, wxZipInputStream& inputStream);
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bool WXZIPFIX CopyArchiveMetaData(wxZipInputStream& inputStream);
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void WXZIPFIX Sync();
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bool WXZIPFIX CloseEntry();
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bool WXZIPFIX Close();
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void SetComment(const wxString& comment) { m_Comment = comment; }
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int GetLevel() const { return m_level; }
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void WXZIPFIX SetLevel(int level);
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protected:
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virtual size_t WXZIPFIX OnSysWrite(const void *buffer, size_t size);
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virtual wxFileOffset OnSysTell() const { return m_entrySize; }
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// this protected interface isn't yet finalised
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struct Buffer { const char *m_data; size_t m_size; };
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virtual wxOutputStream* WXZIPFIX OpenCompressor(wxOutputStream& stream,
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wxZipEntry& entry,
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const Buffer bufs[]);
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virtual bool WXZIPFIX CloseCompressor(wxOutputStream *comp);
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bool IsParentSeekable() const
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{ return m_offsetAdjustment != wxInvalidOffset; }
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private:
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void Init(int level);
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bool WXZIPFIX PutNextEntry(wxArchiveEntry *entry);
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bool WXZIPFIX CopyEntry(wxArchiveEntry *entry, wxArchiveInputStream& stream);
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bool WXZIPFIX CopyArchiveMetaData(wxArchiveInputStream& stream);
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bool IsOpened() const { return m_comp || m_pending; }
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bool DoCreate(wxZipEntry *entry, bool raw = false);
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void CreatePendingEntry(const void *buffer, size_t size);
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void CreatePendingEntry();
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class wxStoredOutputStream *m_store;
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class wxZlibOutputStream2 *m_deflate;
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class wxZipStreamLink *m_backlink;
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wxZipEntryList_ m_entries;
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char *m_initialData;
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size_t m_initialSize;
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wxZipEntry *m_pending;
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bool m_raw;
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wxFileOffset m_headerOffset;
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size_t m_headerSize;
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wxFileOffset m_entrySize;
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wxUint32 m_crcAccumulator;
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wxOutputStream *m_comp;
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int m_level;
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wxFileOffset m_offsetAdjustment;
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wxString m_Comment;
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bool m_endrecWritten;
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wxDECLARE_NO_COPY_CLASS(wxZipOutputStream);
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};
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/////////////////////////////////////////////////////////////////////////////
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// wxZipInputStream
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class WXDLLIMPEXP_BASE wxZipInputStream : public wxArchiveInputStream
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{
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public:
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typedef wxZipEntry entry_type;
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wxZipInputStream(wxInputStream& stream, wxMBConv& conv = wxConvLocal);
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wxZipInputStream(wxInputStream *stream, wxMBConv& conv = wxConvLocal);
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#if WXWIN_COMPATIBILITY_2_6 && wxUSE_FFILE
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wxZipInputStream(const wxString& archive, const wxString& file)
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: wxArchiveInputStream(OpenFile(archive), wxConvLocal) { Init(file); }
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#endif
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virtual WXZIPFIX ~wxZipInputStream();
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bool OpenEntry(wxZipEntry& entry) { return DoOpen(&entry); }
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bool WXZIPFIX CloseEntry();
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wxZipEntry *GetNextEntry();
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wxString WXZIPFIX GetComment();
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int WXZIPFIX GetTotalEntries();
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virtual wxFileOffset GetLength() const { return m_entry.GetSize(); }
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protected:
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size_t WXZIPFIX OnSysRead(void *buffer, size_t size);
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wxFileOffset OnSysTell() const { return m_decomp ? m_decomp->TellI() : 0; }
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#if WXWIN_COMPATIBILITY_2_6
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wxFileOffset WXZIPFIX OnSysSeek(wxFileOffset seek, wxSeekMode mode);
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#endif
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// this protected interface isn't yet finalised
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virtual wxInputStream* WXZIPFIX OpenDecompressor(wxInputStream& stream);
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virtual bool WXZIPFIX CloseDecompressor(wxInputStream *decomp);
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private:
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void Init();
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void Init(const wxString& file);
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#if WXWIN_COMPATIBILITY_2_6 && wxUSE_FFILE
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static wxInputStream *OpenFile(const wxString& archive);
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#endif
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wxArchiveEntry *DoGetNextEntry() { return GetNextEntry(); }
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bool WXZIPFIX OpenEntry(wxArchiveEntry& entry);
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wxStreamError ReadLocal(bool readEndRec = false);
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wxStreamError ReadCentral();
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wxUint32 ReadSignature();
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bool FindEndRecord();
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bool LoadEndRecord();
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bool AtHeader() const { return m_headerSize == 0; }
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bool AfterHeader() const { return m_headerSize > 0 && !m_decomp; }
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bool IsOpened() const { return m_decomp != NULL; }
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wxZipStreamLink *MakeLink(wxZipOutputStream *out);
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bool DoOpen(wxZipEntry *entry = NULL, bool raw = false);
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bool OpenDecompressor(bool raw = false);
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class wxStoredInputStream *m_store;
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class wxZlibInputStream2 *m_inflate;
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class wxRawInputStream *m_rawin;
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wxZipEntry m_entry;
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bool m_raw;
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size_t m_headerSize;
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wxUint32 m_crcAccumulator;
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wxInputStream *m_decomp;
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bool m_parentSeekable;
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class wxZipWeakLinks *m_weaklinks;
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class wxZipStreamLink *m_streamlink;
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wxFileOffset m_offsetAdjustment;
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wxFileOffset m_position;
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wxUint32 m_signature;
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size_t m_TotalEntries;
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wxString m_Comment;
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friend bool wxZipOutputStream::CopyEntry(
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wxZipEntry *entry, wxZipInputStream& inputStream);
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friend bool wxZipOutputStream::CopyArchiveMetaData(
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wxZipInputStream& inputStream);
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#if WXWIN_COMPATIBILITY_2_6
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bool m_allowSeeking;
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friend class wxArchiveFSHandler;
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#endif
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wxDECLARE_NO_COPY_CLASS(wxZipInputStream);
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};
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/////////////////////////////////////////////////////////////////////////////
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// Iterators
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#if wxUSE_STL || defined WX_TEST_ARCHIVE_ITERATOR
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typedef wxArchiveIterator<wxZipInputStream> wxZipIter;
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typedef wxArchiveIterator<wxZipInputStream,
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std::pair<wxString, wxZipEntry*> > wxZipPairIter;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// wxZipClassFactory
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class WXDLLIMPEXP_BASE wxZipClassFactory : public wxArchiveClassFactory
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{
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public:
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typedef wxZipEntry entry_type;
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typedef wxZipInputStream instream_type;
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typedef wxZipOutputStream outstream_type;
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typedef wxZipNotifier notifier_type;
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#if wxUSE_STL || defined WX_TEST_ARCHIVE_ITERATOR
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typedef wxZipIter iter_type;
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typedef wxZipPairIter pairiter_type;
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#endif
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wxZipClassFactory();
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wxZipEntry *NewEntry() const
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{ return new wxZipEntry; }
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wxZipInputStream *NewStream(wxInputStream& stream) const
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{ return new wxZipInputStream(stream, GetConv()); }
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wxZipOutputStream *NewStream(wxOutputStream& stream) const
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{ return new wxZipOutputStream(stream, -1, GetConv()); }
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wxZipInputStream *NewStream(wxInputStream *stream) const
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{ return new wxZipInputStream(stream, GetConv()); }
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wxZipOutputStream *NewStream(wxOutputStream *stream) const
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{ return new wxZipOutputStream(stream, -1, GetConv()); }
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wxString GetInternalName(const wxString& name,
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wxPathFormat format = wxPATH_NATIVE) const
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{ return wxZipEntry::GetInternalName(name, format); }
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const wxChar * const *GetProtocols(wxStreamProtocolType type
|
|
= wxSTREAM_PROTOCOL) const;
|
|
|
|
protected:
|
|
wxArchiveEntry *DoNewEntry() const
|
|
{ return NewEntry(); }
|
|
wxArchiveInputStream *DoNewStream(wxInputStream& stream) const
|
|
{ return NewStream(stream); }
|
|
wxArchiveOutputStream *DoNewStream(wxOutputStream& stream) const
|
|
{ return NewStream(stream); }
|
|
wxArchiveInputStream *DoNewStream(wxInputStream *stream) const
|
|
{ return NewStream(stream); }
|
|
wxArchiveOutputStream *DoNewStream(wxOutputStream *stream) const
|
|
{ return NewStream(stream); }
|
|
|
|
private:
|
|
DECLARE_DYNAMIC_CLASS(wxZipClassFactory)
|
|
};
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// wxZipEntry inlines
|
|
|
|
inline bool wxZipEntry::IsText() const
|
|
{
|
|
return (m_InternalAttributes & TEXT_ATTR) != 0;
|
|
}
|
|
|
|
inline bool wxZipEntry::IsDir() const
|
|
{
|
|
return (m_ExternalAttributes & wxZIP_A_SUBDIR) != 0;
|
|
}
|
|
|
|
inline bool wxZipEntry::IsReadOnly() const
|
|
{
|
|
return (m_ExternalAttributes & wxZIP_A_RDONLY) != 0;
|
|
}
|
|
|
|
inline bool wxZipEntry::IsMadeByUnix() const
|
|
{
|
|
const int pattern =
|
|
(1 << wxZIP_SYSTEM_OPENVMS) |
|
|
(1 << wxZIP_SYSTEM_UNIX) |
|
|
(1 << wxZIP_SYSTEM_ATARI_ST) |
|
|
(1 << wxZIP_SYSTEM_ACORN_RISC) |
|
|
(1 << wxZIP_SYSTEM_BEOS) | (1 << wxZIP_SYSTEM_TANDEM);
|
|
|
|
// note: some unix zippers put madeby = dos
|
|
return (m_SystemMadeBy == wxZIP_SYSTEM_MSDOS
|
|
&& (m_ExternalAttributes & ~0xFFFF))
|
|
|| ((pattern >> m_SystemMadeBy) & 1);
|
|
}
|
|
|
|
inline void wxZipEntry::SetIsText(bool isText)
|
|
{
|
|
if (isText)
|
|
m_InternalAttributes |= TEXT_ATTR;
|
|
else
|
|
m_InternalAttributes &= ~TEXT_ATTR;
|
|
}
|
|
|
|
inline void wxZipEntry::SetIsReadOnly(bool isReadOnly)
|
|
{
|
|
if (isReadOnly)
|
|
SetMode(GetMode() & ~0222);
|
|
else
|
|
SetMode(GetMode() | 0200);
|
|
}
|
|
|
|
inline void wxZipEntry::SetName(const wxString& name,
|
|
wxPathFormat format /*=wxPATH_NATIVE*/)
|
|
{
|
|
bool isDir;
|
|
m_Name = GetInternalName(name, format, &isDir);
|
|
SetIsDir(isDir);
|
|
}
|
|
|
|
|
|
#endif // wxUSE_ZIPSTREAM
|
|
|
|
#endif // _WX_WXZIPSTREAM_H__
|