[wxWidgets.git] / include / wx / tarstrm.h

/////////////////////////////////////////////////////////////////////////////
// Name:        wx/tarstrm.h
// Purpose:     Streams for Tar files
// Author:      Mike Wetherell
// RCS-ID:      $Id$
// Copyright:   (c) 2004 Mike Wetherell
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_WXTARSTREAM_H__
#define _WX_WXTARSTREAM_H__

#include "wx/defs.h"

#if wxUSE_TARSTREAM

#include "wx/archive.h"
#include "wx/hashmap.h"


/////////////////////////////////////////////////////////////////////////////
// Constants

// TypeFlag values
enum wxTarType
{
    wxTAR_REGTYPE   = '0',      // regular file
    wxTAR_LNKTYPE   = '1',      // hard link
    wxTAR_SYMTYPE   = '2',      // symbolic link
    wxTAR_CHRTYPE   = '3',      // character special
    wxTAR_BLKTYPE   = '4',      // block special
    wxTAR_DIRTYPE   = '5',      // directory
    wxTAR_FIFOTYPE  = '6',      // named pipe
    wxTAR_CONTTYPE  = '7'       // contiguous file
};

// Archive Formats (use wxTAR_PAX, it's backward compatible)
enum wxTarFormat
{
    wxTAR_USTAR,                // POSIX.1-1990 tar format
    wxTAR_PAX                   // POSIX.1-2001 tar format
};


/////////////////////////////////////////////////////////////////////////////
// wxTarNotifier

class WXDLLIMPEXP_BASE wxTarNotifier
{
public:
    virtual ~wxTarNotifier() { }

    virtual void OnEntryUpdated(class wxTarEntry& entry) = 0;
};


/////////////////////////////////////////////////////////////////////////////
// Tar Entry - hold the meta data for a file in the tar

class WXDLLIMPEXP_BASE wxTarEntry : public wxArchiveEntry
{
public:
    wxTarEntry(const wxString& name = wxEmptyString,
               const wxDateTime& dt = wxDateTime::Now(),
               wxFileOffset size = wxInvalidOffset);
    virtual ~wxTarEntry();

    wxTarEntry(const wxTarEntry& entry);
    wxTarEntry& operator=(const wxTarEntry& entry);

    // Get accessors
    wxString     GetName(wxPathFormat format = wxPATH_NATIVE) const;
    wxString     GetInternalName() const        { return m_Name; }
    wxPathFormat GetInternalFormat() const      { return wxPATH_UNIX; }
    int          GetMode() const;
    int          GetUserId() const              { return m_UserId; }
    int          GetGroupId() const             { return m_GroupId; }
    wxFileOffset GetSize() const                { return m_Size; }
    wxFileOffset GetOffset() const              { return m_Offset; }
    wxDateTime   GetDateTime() const            { return m_ModifyTime; }
    wxDateTime   GetAccessTime() const          { return m_AccessTime; }
    wxDateTime   GetCreateTime() const          { return m_CreateTime; }
    int          GetTypeFlag() const            { return m_TypeFlag; }
    wxString     GetLinkName() const            { return m_LinkName; }
    wxString     GetUserName() const            { return m_UserName; }
    wxString     GetGroupName() const           { return m_GroupName; }
    int          GetDevMajor() const            { return m_DevMajor; }
    int          GetDevMinor() const            { return m_DevMinor; }

    // is accessors
    bool IsDir() const;
    bool IsReadOnly() const                     { return !(m_Mode & 0222); }

    // set accessors
    void SetName(const wxString& name, wxPathFormat format = wxPATH_NATIVE);
    void SetUserId(int id)                      { m_UserId = id; }
    void SetGroupId(int id)                     { m_GroupId = id; }
    void SetMode(int mode);
    void SetSize(wxFileOffset size)             { m_Size = size; }
    void SetDateTime(const wxDateTime& dt)      { m_ModifyTime = dt; }
    void SetAccessTime(const wxDateTime& dt)    { m_AccessTime = dt; }
    void SetCreateTime(const wxDateTime& dt)    { m_CreateTime = dt; }
    void SetTypeFlag(int type)                  { m_TypeFlag = type; }
    void SetLinkName(const wxString& link)      { m_LinkName = link; }
    void SetUserName(const wxString& user)      { m_UserName = user; }
    void SetGroupName(const wxString& group)    { m_GroupName = group; }
    void SetDevMajor(int dev)                   { m_DevMajor = dev; }
    void SetDevMinor(int dev)                   { m_DevMinor = dev; }

    // set is accessors
    void SetIsDir(bool isDir = true);
    void SetIsReadOnly(bool isReadOnly = true);

    static wxString GetInternalName(const wxString& name,
                                    wxPathFormat format = wxPATH_NATIVE,
                                    bool *pIsDir = NULL);

    wxTarEntry *Clone() const { return new wxTarEntry(*this); }

    void SetNotifier(wxTarNotifier& WXUNUSED(notifier)) { }

private:
    void SetOffset(wxFileOffset offset)         { m_Offset = offset; }

    virtual wxArchiveEntry* DoClone() const     { return Clone(); }

    wxString     m_Name;
    int          m_Mode;
    bool         m_IsModeSet;
    int          m_UserId;
    int          m_GroupId;
    wxFileOffset m_Size;
    wxFileOffset m_Offset;
    wxDateTime   m_ModifyTime;
    wxDateTime   m_AccessTime;
    wxDateTime   m_CreateTime;
    int          m_TypeFlag;
    wxString     m_LinkName;
    wxString     m_UserName;
    wxString     m_GroupName;
    int          m_DevMajor;
    int          m_DevMinor;

    friend class wxTarInputStream;

    DECLARE_DYNAMIC_CLASS(wxTarEntry)
};


/////////////////////////////////////////////////////////////////////////////
// wxTarInputStream

WX_DECLARE_STRING_HASH_MAP(wxString, wxTarHeaderRecords);

class WXDLLIMPEXP_BASE wxTarInputStream : public wxArchiveInputStream
{
public:
    typedef wxTarEntry entry_type;

    wxTarInputStream(wxInputStream& stream, wxMBConv& conv = wxConvLocal);
    wxTarInputStream(wxInputStream *stream, wxMBConv& conv = wxConvLocal);
    virtual ~wxTarInputStream();

    bool OpenEntry(wxTarEntry& entry);
    bool CloseEntry();

    wxTarEntry *GetNextEntry();

    wxFileOffset GetLength() const      { return m_size; }
    bool IsSeekable() const { return m_parent_i_stream->IsSeekable(); }

protected:
    size_t OnSysRead(void *buffer, size_t size);
    wxFileOffset OnSysTell() const      { return m_pos; }
    wxFileOffset OnSysSeek(wxFileOffset seek, wxSeekMode mode);

private:
    void Init();

    wxArchiveEntry *DoGetNextEntry()    { return GetNextEntry(); }
    bool OpenEntry(wxArchiveEntry& entry);
    bool IsOpened() const               { return m_pos != wxInvalidOffset; }

    wxStreamError ReadHeaders();
    bool ReadExtendedHeader(wxTarHeaderRecords*& recs);

    wxString GetExtendedHeader(const wxString& key) const;
    wxString GetHeaderPath() const;
    wxFileOffset GetHeaderNumber(int id) const;
    wxString GetHeaderString(int id) const;
    wxDateTime GetHeaderDate(const wxString& key) const;

    wxFileOffset m_pos;     // position within the current entry
    wxFileOffset m_offset;  // offset to the start of the entry's data
    wxFileOffset m_size;    // size of the current entry's data

    int m_sumType;
    int m_tarType;
    class wxTarHeaderBlock *m_hdr;
    wxTarHeaderRecords *m_HeaderRecs;
    wxTarHeaderRecords *m_GlobalHeaderRecs;

    DECLARE_NO_COPY_CLASS(wxTarInputStream)
};


/////////////////////////////////////////////////////////////////////////////
// wxTarOutputStream

class WXDLLIMPEXP_BASE wxTarOutputStream : public wxArchiveOutputStream
{
public:
    wxTarOutputStream(wxOutputStream& stream,
                      wxTarFormat format = wxTAR_PAX,
                      wxMBConv& conv = wxConvLocal);
    wxTarOutputStream(wxOutputStream *stream,
                      wxTarFormat format = wxTAR_PAX,
                      wxMBConv& conv = wxConvLocal);
    virtual ~wxTarOutputStream();

    bool PutNextEntry(wxTarEntry *entry);

    bool PutNextEntry(const wxString& name,
                      const wxDateTime& dt = wxDateTime::Now(),
                      wxFileOffset size = wxInvalidOffset);

    bool PutNextDirEntry(const wxString& name,
                         const wxDateTime& dt = wxDateTime::Now());

    bool CopyEntry(wxTarEntry *entry, wxTarInputStream& inputStream);
    bool CopyArchiveMetaData(wxTarInputStream& WXUNUSED(s)) { return true; }

    void Sync();
    bool CloseEntry();
    bool Close();

    bool IsSeekable() const { return m_parent_o_stream->IsSeekable(); }

    void SetBlockingFactor(int factor)  { m_BlockingFactor = factor; }
    int GetBlockingFactor() const       { return m_BlockingFactor; }

protected:
    size_t OnSysWrite(const void *buffer, size_t size);
    wxFileOffset OnSysTell() const      { return m_pos; }
    wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);

private:
    void Init(wxTarFormat format);

    bool PutNextEntry(wxArchiveEntry *entry);
    bool CopyEntry(wxArchiveEntry *entry, wxArchiveInputStream& stream);
    bool CopyArchiveMetaData(wxArchiveInputStream& WXUNUSED(s)) { return true; }
    bool IsOpened() const               { return m_pos != wxInvalidOffset; }

    bool WriteHeaders(wxTarEntry& entry);
    bool ModifyHeader();
    wxString PaxHeaderPath(const wxString& format, const wxString& path);

    void SetExtendedHeader(const wxString& key, const wxString& value);
    void SetHeaderPath(const wxString& name);
    bool SetHeaderNumber(int id, wxFileOffset n);
    void SetHeaderString(int id, const wxString& str);
    void SetHeaderDate(const wxString& key, const wxDateTime& datetime);

    wxFileOffset m_pos;     // position within the current entry
    wxFileOffset m_maxpos;  // max pos written
    wxFileOffset m_size;    // expected entry size

    wxFileOffset m_headpos; // offset within the file to the entry's header
    wxFileOffset m_datapos; // offset within the file to the entry's data

    wxFileOffset m_tarstart;// offset within the file to the tar
    wxFileOffset m_tarsize; // size of tar so far

    bool m_pax;
    int m_BlockingFactor;
    wxUint32 m_chksum;
    bool m_large;
    class wxTarHeaderBlock *m_hdr;
    class wxTarHeaderBlock *m_hdr2;
    char *m_extendedHdr;
    size_t m_extendedSize;
    wxString m_badfit;
    bool m_endrecWritten;

    DECLARE_NO_COPY_CLASS(wxTarOutputStream)
};


/////////////////////////////////////////////////////////////////////////////
// Iterators

#if wxUSE_STL || defined WX_TEST_ARCHIVE_ITERATOR
typedef wxArchiveIterator<wxTarInputStream> wxTarIter;
typedef wxArchiveIterator<wxTarInputStream,
         std::pair<wxString, wxTarEntry*> > wxTarPairIter;
#endif


/////////////////////////////////////////////////////////////////////////////
// wxTarClassFactory

class WXDLLIMPEXP_BASE wxTarClassFactory : public wxArchiveClassFactory
{
public:
    typedef wxTarEntry        entry_type;
    typedef wxTarInputStream  instream_type;
    typedef wxTarOutputStream outstream_type;
    typedef wxTarNotifier     notifier_type;
#if wxUSE_STL || defined WX_TEST_ARCHIVE_ITERATOR
    typedef wxTarIter         iter_type;
    typedef wxTarPairIter     pairiter_type;
#endif

    wxTarClassFactory();

    wxTarEntry *NewEntry() const
        { return new wxTarEntry; }
    wxTarInputStream *NewStream(wxInputStream& stream) const
        { return new wxTarInputStream(stream, GetConv()); }
    wxTarOutputStream *NewStream(wxOutputStream& stream) const
        { return new wxTarOutputStream(stream, wxTAR_PAX, GetConv()); }
    wxTarInputStream *NewStream(wxInputStream *stream) const
        { return new wxTarInputStream(stream, GetConv()); }
    wxTarOutputStream *NewStream(wxOutputStream *stream) const
        { return new wxTarOutputStream(stream, wxTAR_PAX, GetConv()); }

    wxString GetInternalName(const wxString& name,
                             wxPathFormat format = wxPATH_NATIVE) const
        { return wxTarEntry::GetInternalName(name, format); }

    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(wxTarClassFactory)
};


#endif // wxUSE_TARSTREAM

#endif // _WX_WXTARSTREAM_H__
Commit	Line	Data
dd1462c3	1	/////////////////////////////////////////////////////////////////////////////
ce7208d4	2	// Name: wx/tarstrm.h
dd1462c3 MW	3	// Purpose: Streams for Tar files
	4	// Author: Mike Wetherell
	5	// RCS-ID: $Id$
	6	// Copyright: (c) 2004 Mike Wetherell
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	#ifndef _WX_WXTARSTREAM_H__
	11	#define _WX_WXTARSTREAM_H__
	12
	13	#include "wx/defs.h"
	14
	15	#if wxUSE_TARSTREAM
	16
	17	#include "wx/archive.h"
77b5dc95	18	#include "wx/hashmap.h"
dd1462c3 MW	19
	20
	21	/////////////////////////////////////////////////////////////////////////////
	22	// Constants
	23
	24	// TypeFlag values
c6cf894a FM	25	enum wxTarType
c6cf894a FM	26	{
dd1462c3 MW	27	wxTAR_REGTYPE = '0', // regular file
	28	wxTAR_LNKTYPE = '1', // hard link
	29	wxTAR_SYMTYPE = '2', // symbolic link
	30	wxTAR_CHRTYPE = '3', // character special
	31	wxTAR_BLKTYPE = '4', // block special
	32	wxTAR_DIRTYPE = '5', // directory
	33	wxTAR_FIFOTYPE = '6', // named pipe
	34	wxTAR_CONTTYPE = '7' // contiguous file
	35	};
	36
	37	// Archive Formats (use wxTAR_PAX, it's backward compatible)
	38	enum wxTarFormat
	39	{
	40	wxTAR_USTAR, // POSIX.1-1990 tar format
	41	wxTAR_PAX // POSIX.1-2001 tar format
	42	};
	43
	44
	45	/////////////////////////////////////////////////////////////////////////////
	46	// wxTarNotifier
	47
46b15bd5	48	class WXDLLIMPEXP_BASE wxTarNotifier
dd1462c3 MW	49	{
	50	public:
	51	virtual ~wxTarNotifier() { }
	52
	53	virtual void OnEntryUpdated(class wxTarEntry& entry) = 0;
	54	};
	55
	56
	57	/////////////////////////////////////////////////////////////////////////////
	58	// Tar Entry - hold the meta data for a file in the tar
	59
46b15bd5	60	class WXDLLIMPEXP_BASE wxTarEntry : public wxArchiveEntry
dd1462c3 MW	61	{
	62	public:
	63	wxTarEntry(const wxString& name = wxEmptyString,
	64	const wxDateTime& dt = wxDateTime::Now(),
	65	wxFileOffset size = wxInvalidOffset);
	66	virtual ~wxTarEntry();
	67
	68	wxTarEntry(const wxTarEntry& entry);
	69	wxTarEntry& operator=(const wxTarEntry& entry);
	70
	71	// Get accessors
	72	wxString GetName(wxPathFormat format = wxPATH_NATIVE) const;
	73	wxString GetInternalName() const { return m_Name; }
	74	wxPathFormat GetInternalFormat() const { return wxPATH_UNIX; }
	75	int GetMode() const;
	76	int GetUserId() const { return m_UserId; }
	77	int GetGroupId() const { return m_GroupId; }
	78	wxFileOffset GetSize() const { return m_Size; }
	79	wxFileOffset GetOffset() const { return m_Offset; }
	80	wxDateTime GetDateTime() const { return m_ModifyTime; }
	81	wxDateTime GetAccessTime() const { return m_AccessTime; }
	82	wxDateTime GetCreateTime() const { return m_CreateTime; }
	83	int GetTypeFlag() const { return m_TypeFlag; }
	84	wxString GetLinkName() const { return m_LinkName; }
	85	wxString GetUserName() const { return m_UserName; }
	86	wxString GetGroupName() const { return m_GroupName; }
	87	int GetDevMajor() const { return m_DevMajor; }
	88	int GetDevMinor() const { return m_DevMinor; }
	89
	90	// is accessors
	91	bool IsDir() const;
	92	bool IsReadOnly() const { return !(m_Mode & 0222); }
	93
	94	// set accessors
	95	void SetName(const wxString& name, wxPathFormat format = wxPATH_NATIVE);
	96	void SetUserId(int id) { m_UserId = id; }
	97	void SetGroupId(int id) { m_GroupId = id; }
	98	void SetMode(int mode);
	99	void SetSize(wxFileOffset size) { m_Size = size; }
	100	void SetDateTime(const wxDateTime& dt) { m_ModifyTime = dt; }
	101	void SetAccessTime(const wxDateTime& dt) { m_AccessTime = dt; }
	102	void SetCreateTime(const wxDateTime& dt) { m_CreateTime = dt; }
	103	void SetTypeFlag(int type) { m_TypeFlag = type; }
	104	void SetLinkName(const wxString& link) { m_LinkName = link; }
	105	void SetUserName(const wxString& user) { m_UserName = user; }
	106	void SetGroupName(const wxString& group) { m_GroupName = group; }
	107	void SetDevMajor(int dev) { m_DevMajor = dev; }
	108	void SetDevMinor(int dev) { m_DevMinor = dev; }
	109
	110	// set is accessors
	111	void SetIsDir(bool isDir = true);
	112	void SetIsReadOnly(bool isReadOnly = true);
	113
	114	static wxString GetInternalName(const wxString& name,
	115	wxPathFormat format = wxPATH_NATIVE,
	116	bool *pIsDir = NULL);
	117
	118	wxTarEntry Clone() const { return new wxTarEntry(this); }
	119
	120	void SetNotifier(wxTarNotifier& WXUNUSED(notifier)) { }
	121
e3a10e0c	122	private:
dd1462c3	123	void SetOffset(wxFileOffset offset) { m_Offset = offset; }
e3a10e0c	124
dd1462c3 MW	125	virtual wxArchiveEntry* DoClone() const { return Clone(); }
	126
	127	wxString m_Name;
	128	int m_Mode;
	129	bool m_IsModeSet;
	130	int m_UserId;
	131	int m_GroupId;
	132	wxFileOffset m_Size;
	133	wxFileOffset m_Offset;
	134	wxDateTime m_ModifyTime;
	135	wxDateTime m_AccessTime;
	136	wxDateTime m_CreateTime;
5f77e766	137	int m_TypeFlag;
dd1462c3 MW	138	wxString m_LinkName;
	139	wxString m_UserName;
	140	wxString m_GroupName;
	141	int m_DevMajor;
	142	int m_DevMinor;
	143
	144	friend class wxTarInputStream;
	145
	146	DECLARE_DYNAMIC_CLASS(wxTarEntry)
	147	};
	148
	149
	150	/////////////////////////////////////////////////////////////////////////////
	151	// wxTarInputStream
	152
45c64b28 MW	153	WX_DECLARE_STRING_HASH_MAP(wxString, wxTarHeaderRecords);
45c64b28 MW	154
46b15bd5	155	class WXDLLIMPEXP_BASE wxTarInputStream : public wxArchiveInputStream
dd1462c3 MW	156	{
	157	public:
	158	typedef wxTarEntry entry_type;
	159
	160	wxTarInputStream(wxInputStream& stream, wxMBConv& conv = wxConvLocal);
	161	wxTarInputStream(wxInputStream *stream, wxMBConv& conv = wxConvLocal);
	162	virtual ~wxTarInputStream();
	163
	164	bool OpenEntry(wxTarEntry& entry);
	165	bool CloseEntry();
	166
	167	wxTarEntry *GetNextEntry();
	168
	169	wxFileOffset GetLength() const { return m_size; }
	170	bool IsSeekable() const { return m_parent_i_stream->IsSeekable(); }
	171
	172	protected:
	173	size_t OnSysRead(void *buffer, size_t size);
	174	wxFileOffset OnSysTell() const { return m_pos; }
	175	wxFileOffset OnSysSeek(wxFileOffset seek, wxSeekMode mode);
	176
	177	private:
	178	void Init();
	179
e3a10e0c MW	180	wxArchiveEntry *DoGetNextEntry() { return GetNextEntry(); }
e3a10e0c MW	181	bool OpenEntry(wxArchiveEntry& entry);
dd1462c3 MW	182	bool IsOpened() const { return m_pos != wxInvalidOffset; }
	183
	184	wxStreamError ReadHeaders();
45c64b28	185	bool ReadExtendedHeader(wxTarHeaderRecords*& recs);
dd1462c3 MW	186
	187	wxString GetExtendedHeader(const wxString& key) const;
	188	wxString GetHeaderPath() const;
	189	wxFileOffset GetHeaderNumber(int id) const;
	190	wxString GetHeaderString(int id) const;
	191	wxDateTime GetHeaderDate(const wxString& key) const;
	192
	193	wxFileOffset m_pos; // position within the current entry
	194	wxFileOffset m_offset; // offset to the start of the entry's data
	195	wxFileOffset m_size; // size of the current entry's data
	196
	197	int m_sumType;
	198	int m_tarType;
	199	class wxTarHeaderBlock *m_hdr;
45c64b28 MW	200	wxTarHeaderRecords *m_HeaderRecs;
45c64b28 MW	201	wxTarHeaderRecords *m_GlobalHeaderRecs;
dd1462c3 MW	202
	203	DECLARE_NO_COPY_CLASS(wxTarInputStream)
	204	};
	205
	206
	207	/////////////////////////////////////////////////////////////////////////////
	208	// wxTarOutputStream
	209
46b15bd5	210	class WXDLLIMPEXP_BASE wxTarOutputStream : public wxArchiveOutputStream
dd1462c3 MW	211	{
	212	public:
	213	wxTarOutputStream(wxOutputStream& stream,
	214	wxTarFormat format = wxTAR_PAX,
	215	wxMBConv& conv = wxConvLocal);
	216	wxTarOutputStream(wxOutputStream *stream,
	217	wxTarFormat format = wxTAR_PAX,
	218	wxMBConv& conv = wxConvLocal);
	219	virtual ~wxTarOutputStream();
	220
	221	bool PutNextEntry(wxTarEntry *entry);
	222
	223	bool PutNextEntry(const wxString& name,
	224	const wxDateTime& dt = wxDateTime::Now(),
	225	wxFileOffset size = wxInvalidOffset);
	226
	227	bool PutNextDirEntry(const wxString& name,
	228	const wxDateTime& dt = wxDateTime::Now());
	229
	230	bool CopyEntry(wxTarEntry *entry, wxTarInputStream& inputStream);
	231	bool CopyArchiveMetaData(wxTarInputStream& WXUNUSED(s)) { return true; }
	232
	233	void Sync();
	234	bool CloseEntry();
	235	bool Close();
	236
	237	bool IsSeekable() const { return m_parent_o_stream->IsSeekable(); }
	238
	239	void SetBlockingFactor(int factor) { m_BlockingFactor = factor; }
	240	int GetBlockingFactor() const { return m_BlockingFactor; }
	241
	242	protected:
	243	size_t OnSysWrite(const void *buffer, size_t size);
	244	wxFileOffset OnSysTell() const { return m_pos; }
	245	wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);
	246
	247	private:
	248	void Init(wxTarFormat format);
	249
e3a10e0c MW	250	bool PutNextEntry(wxArchiveEntry *entry);
	251	bool CopyEntry(wxArchiveEntry *entry, wxArchiveInputStream& stream);
	252	bool CopyArchiveMetaData(wxArchiveInputStream& WXUNUSED(s)) { return true; }
dd1462c3 MW	253	bool IsOpened() const { return m_pos != wxInvalidOffset; }
	254
	255	bool WriteHeaders(wxTarEntry& entry);
	256	bool ModifyHeader();
	257	wxString PaxHeaderPath(const wxString& format, const wxString& path);
	258
	259	void SetExtendedHeader(const wxString& key, const wxString& value);
	260	void SetHeaderPath(const wxString& name);
	261	bool SetHeaderNumber(int id, wxFileOffset n);
	262	void SetHeaderString(int id, const wxString& str);
	263	void SetHeaderDate(const wxString& key, const wxDateTime& datetime);
	264
	265	wxFileOffset m_pos; // position within the current entry
	266	wxFileOffset m_maxpos; // max pos written
	267	wxFileOffset m_size; // expected entry size
	268
	269	wxFileOffset m_headpos; // offset within the file to the entry's header
	270	wxFileOffset m_datapos; // offset within the file to the entry's data
	271
	272	wxFileOffset m_tarstart;// offset within the file to the tar
	273	wxFileOffset m_tarsize; // size of tar so far
	274
	275	bool m_pax;
	276	int m_BlockingFactor;
	277	wxUint32 m_chksum;
	278	bool m_large;
	279	class wxTarHeaderBlock *m_hdr;
	280	class wxTarHeaderBlock *m_hdr2;
	281	char *m_extendedHdr;
	282	size_t m_extendedSize;
	283	wxString m_badfit;
dd0af4bb	284	bool m_endrecWritten;
dd1462c3 MW	285
	286	DECLARE_NO_COPY_CLASS(wxTarOutputStream)
	287	};
	288
	289
	290	/////////////////////////////////////////////////////////////////////////////
	291	// Iterators
	292
	293	#if wxUSE_STL \|\| defined WX_TEST_ARCHIVE_ITERATOR
	294	typedef wxArchiveIterator<wxTarInputStream> wxTarIter;
	295	typedef wxArchiveIterator<wxTarInputStream,
	296	std::pair<wxString, wxTarEntry*> > wxTarPairIter;
	297	#endif
	298
	299
	300	/////////////////////////////////////////////////////////////////////////////
	301	// wxTarClassFactory
	302
46b15bd5	303	class WXDLLIMPEXP_BASE wxTarClassFactory : public wxArchiveClassFactory
dd1462c3 MW	304	{
	305	public:
	306	typedef wxTarEntry entry_type;
	307	typedef wxTarInputStream instream_type;
	308	typedef wxTarOutputStream outstream_type;
	309	typedef wxTarNotifier notifier_type;
	310	#if wxUSE_STL \|\| defined WX_TEST_ARCHIVE_ITERATOR
	311	typedef wxTarIter iter_type;
	312	typedef wxTarPairIter pairiter_type;
	313	#endif
	314
	315	wxTarClassFactory();
	316
	317	wxTarEntry *NewEntry() const
	318	{ return new wxTarEntry; }
	319	wxTarInputStream *NewStream(wxInputStream& stream) const
	320	{ return new wxTarInputStream(stream, GetConv()); }
	321	wxTarOutputStream *NewStream(wxOutputStream& stream) const
	322	{ return new wxTarOutputStream(stream, wxTAR_PAX, GetConv()); }
	323	wxTarInputStream NewStream(wxInputStream stream) const
	324	{ return new wxTarInputStream(stream, GetConv()); }
	325	wxTarOutputStream NewStream(wxOutputStream stream) const
	326	{ return new wxTarOutputStream(stream, wxTAR_PAX, GetConv()); }
	327
	328	wxString GetInternalName(const wxString& name,
	329	wxPathFormat format = wxPATH_NATIVE) const
	330	{ return wxTarEntry::GetInternalName(name, format); }
	331
	332	const wxChar * const *GetProtocols(wxStreamProtocolType type
	333	= wxSTREAM_PROTOCOL) const;
	334
	335	protected:
	336	wxArchiveEntry *DoNewEntry() const
	337	{ return NewEntry(); }
	338	wxArchiveInputStream *DoNewStream(wxInputStream& stream) const
	339	{ return NewStream(stream); }
	340	wxArchiveOutputStream *DoNewStream(wxOutputStream& stream) const
	341	{ return NewStream(stream); }
	342	wxArchiveInputStream DoNewStream(wxInputStream stream) const
	343	{ return NewStream(stream); }
	344	wxArchiveOutputStream DoNewStream(wxOutputStream stream) const
	345	{ return NewStream(stream); }
	346
	347	private:
	348	DECLARE_DYNAMIC_CLASS(wxTarClassFactory)
	349	};
	350
	351
	352	#endif // wxUSE_TARSTREAM
	353
	354	#endif // _WX_WXTARSTREAM_H__