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

/////////////////////////////////////////////////////////////////////////////
// Name:        wx/tarstrm.h
// Purpose:     Streams for Tar files
// Author:      Mike Wetherell
// 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;

    wxDECLARE_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;

    wxDECLARE_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
dd1462c3 MW	4	// Author: Mike Wetherell
dd1462c3 MW	5	// Copyright: (c) 2004 Mike Wetherell
	6	// Licence: wxWindows licence
	7	/////////////////////////////////////////////////////////////////////////////
	8
	9	#ifndef _WX_WXTARSTREAM_H__
	10	#define _WX_WXTARSTREAM_H__
	11
	12	#include "wx/defs.h"
	13
	14	#if wxUSE_TARSTREAM
	15
	16	#include "wx/archive.h"
77b5dc95	17	#include "wx/hashmap.h"
dd1462c3 MW	18
	19
	20	/////////////////////////////////////////////////////////////////////////////
	21	// Constants
	22
	23	// TypeFlag values
c6cf894a FM	24	enum wxTarType
c6cf894a FM	25	{
dd1462c3 MW	26	wxTAR_REGTYPE = '0', // regular file
	27	wxTAR_LNKTYPE = '1', // hard link
	28	wxTAR_SYMTYPE = '2', // symbolic link
	29	wxTAR_CHRTYPE = '3', // character special
	30	wxTAR_BLKTYPE = '4', // block special
	31	wxTAR_DIRTYPE = '5', // directory
	32	wxTAR_FIFOTYPE = '6', // named pipe
	33	wxTAR_CONTTYPE = '7' // contiguous file
	34	};
	35
	36	// Archive Formats (use wxTAR_PAX, it's backward compatible)
	37	enum wxTarFormat
	38	{
	39	wxTAR_USTAR, // POSIX.1-1990 tar format
	40	wxTAR_PAX // POSIX.1-2001 tar format
	41	};
	42
	43
	44	/////////////////////////////////////////////////////////////////////////////
	45	// wxTarNotifier
	46
46b15bd5	47	class WXDLLIMPEXP_BASE wxTarNotifier
dd1462c3 MW	48	{
	49	public:
	50	virtual ~wxTarNotifier() { }
	51
	52	virtual void OnEntryUpdated(class wxTarEntry& entry) = 0;
	53	};
	54
	55
	56	/////////////////////////////////////////////////////////////////////////////
	57	// Tar Entry - hold the meta data for a file in the tar
	58
46b15bd5	59	class WXDLLIMPEXP_BASE wxTarEntry : public wxArchiveEntry
dd1462c3 MW	60	{
	61	public:
	62	wxTarEntry(const wxString& name = wxEmptyString,
	63	const wxDateTime& dt = wxDateTime::Now(),
	64	wxFileOffset size = wxInvalidOffset);
	65	virtual ~wxTarEntry();
	66
	67	wxTarEntry(const wxTarEntry& entry);
	68	wxTarEntry& operator=(const wxTarEntry& entry);
	69
	70	// Get accessors
	71	wxString GetName(wxPathFormat format = wxPATH_NATIVE) const;
	72	wxString GetInternalName() const { return m_Name; }
	73	wxPathFormat GetInternalFormat() const { return wxPATH_UNIX; }
	74	int GetMode() const;
	75	int GetUserId() const { return m_UserId; }
	76	int GetGroupId() const { return m_GroupId; }
	77	wxFileOffset GetSize() const { return m_Size; }
	78	wxFileOffset GetOffset() const { return m_Offset; }
	79	wxDateTime GetDateTime() const { return m_ModifyTime; }
	80	wxDateTime GetAccessTime() const { return m_AccessTime; }
	81	wxDateTime GetCreateTime() const { return m_CreateTime; }
	82	int GetTypeFlag() const { return m_TypeFlag; }
	83	wxString GetLinkName() const { return m_LinkName; }
	84	wxString GetUserName() const { return m_UserName; }
	85	wxString GetGroupName() const { return m_GroupName; }
	86	int GetDevMajor() const { return m_DevMajor; }
	87	int GetDevMinor() const { return m_DevMinor; }
	88
	89	// is accessors
	90	bool IsDir() const;
	91	bool IsReadOnly() const { return !(m_Mode & 0222); }
	92
	93	// set accessors
	94	void SetName(const wxString& name, wxPathFormat format = wxPATH_NATIVE);
	95	void SetUserId(int id) { m_UserId = id; }
	96	void SetGroupId(int id) { m_GroupId = id; }
	97	void SetMode(int mode);
	98	void SetSize(wxFileOffset size) { m_Size = size; }
	99	void SetDateTime(const wxDateTime& dt) { m_ModifyTime = dt; }
	100	void SetAccessTime(const wxDateTime& dt) { m_AccessTime = dt; }
	101	void SetCreateTime(const wxDateTime& dt) { m_CreateTime = dt; }
	102	void SetTypeFlag(int type) { m_TypeFlag = type; }
	103	void SetLinkName(const wxString& link) { m_LinkName = link; }
	104	void SetUserName(const wxString& user) { m_UserName = user; }
	105	void SetGroupName(const wxString& group) { m_GroupName = group; }
	106	void SetDevMajor(int dev) { m_DevMajor = dev; }
	107	void SetDevMinor(int dev) { m_DevMinor = dev; }
	108
	109	// set is accessors
	110	void SetIsDir(bool isDir = true);
	111	void SetIsReadOnly(bool isReadOnly = true);
	112
	113	static wxString GetInternalName(const wxString& name,
	114	wxPathFormat format = wxPATH_NATIVE,
	115	bool *pIsDir = NULL);
	116
	117	wxTarEntry Clone() const { return new wxTarEntry(this); }
	118
	119	void SetNotifier(wxTarNotifier& WXUNUSED(notifier)) { }
	120
e3a10e0c	121	private:
dd1462c3	122	void SetOffset(wxFileOffset offset) { m_Offset = offset; }
e3a10e0c	123
dd1462c3 MW	124	virtual wxArchiveEntry* DoClone() const { return Clone(); }
	125
	126	wxString m_Name;
	127	int m_Mode;
	128	bool m_IsModeSet;
	129	int m_UserId;
	130	int m_GroupId;
	131	wxFileOffset m_Size;
	132	wxFileOffset m_Offset;
	133	wxDateTime m_ModifyTime;
	134	wxDateTime m_AccessTime;
	135	wxDateTime m_CreateTime;
5f77e766	136	int m_TypeFlag;
dd1462c3 MW	137	wxString m_LinkName;
	138	wxString m_UserName;
	139	wxString m_GroupName;
	140	int m_DevMajor;
	141	int m_DevMinor;
	142
	143	friend class wxTarInputStream;
	144
	145	DECLARE_DYNAMIC_CLASS(wxTarEntry)
	146	};
	147
	148
	149	/////////////////////////////////////////////////////////////////////////////
	150	// wxTarInputStream
	151
45c64b28 MW	152	WX_DECLARE_STRING_HASH_MAP(wxString, wxTarHeaderRecords);
45c64b28 MW	153
46b15bd5	154	class WXDLLIMPEXP_BASE wxTarInputStream : public wxArchiveInputStream
dd1462c3 MW	155	{
	156	public:
	157	typedef wxTarEntry entry_type;
	158
	159	wxTarInputStream(wxInputStream& stream, wxMBConv& conv = wxConvLocal);
	160	wxTarInputStream(wxInputStream *stream, wxMBConv& conv = wxConvLocal);
	161	virtual ~wxTarInputStream();
	162
	163	bool OpenEntry(wxTarEntry& entry);
	164	bool CloseEntry();
	165
	166	wxTarEntry *GetNextEntry();
	167
	168	wxFileOffset GetLength() const { return m_size; }
	169	bool IsSeekable() const { return m_parent_i_stream->IsSeekable(); }
	170
	171	protected:
	172	size_t OnSysRead(void *buffer, size_t size);
	173	wxFileOffset OnSysTell() const { return m_pos; }
	174	wxFileOffset OnSysSeek(wxFileOffset seek, wxSeekMode mode);
	175
	176	private:
	177	void Init();
	178
e3a10e0c MW	179	wxArchiveEntry *DoGetNextEntry() { return GetNextEntry(); }
e3a10e0c MW	180	bool OpenEntry(wxArchiveEntry& entry);
dd1462c3 MW	181	bool IsOpened() const { return m_pos != wxInvalidOffset; }
	182
	183	wxStreamError ReadHeaders();
45c64b28	184	bool ReadExtendedHeader(wxTarHeaderRecords*& recs);
dd1462c3 MW	185
	186	wxString GetExtendedHeader(const wxString& key) const;
	187	wxString GetHeaderPath() const;
	188	wxFileOffset GetHeaderNumber(int id) const;
	189	wxString GetHeaderString(int id) const;
	190	wxDateTime GetHeaderDate(const wxString& key) const;
	191
	192	wxFileOffset m_pos; // position within the current entry
	193	wxFileOffset m_offset; // offset to the start of the entry's data
	194	wxFileOffset m_size; // size of the current entry's data
	195
	196	int m_sumType;
	197	int m_tarType;
	198	class wxTarHeaderBlock *m_hdr;
45c64b28 MW	199	wxTarHeaderRecords *m_HeaderRecs;
45c64b28 MW	200	wxTarHeaderRecords *m_GlobalHeaderRecs;
dd1462c3	201
c0c133e1	202	wxDECLARE_NO_COPY_CLASS(wxTarInputStream);
dd1462c3 MW	203	};
	204
	205
	206	/////////////////////////////////////////////////////////////////////////////
	207	// wxTarOutputStream
	208
46b15bd5	209	class WXDLLIMPEXP_BASE wxTarOutputStream : public wxArchiveOutputStream
dd1462c3 MW	210	{
	211	public:
	212	wxTarOutputStream(wxOutputStream& stream,
	213	wxTarFormat format = wxTAR_PAX,
	214	wxMBConv& conv = wxConvLocal);
	215	wxTarOutputStream(wxOutputStream *stream,
	216	wxTarFormat format = wxTAR_PAX,
	217	wxMBConv& conv = wxConvLocal);
	218	virtual ~wxTarOutputStream();
	219
	220	bool PutNextEntry(wxTarEntry *entry);
	221
	222	bool PutNextEntry(const wxString& name,
	223	const wxDateTime& dt = wxDateTime::Now(),
	224	wxFileOffset size = wxInvalidOffset);
	225
	226	bool PutNextDirEntry(const wxString& name,
	227	const wxDateTime& dt = wxDateTime::Now());
	228
	229	bool CopyEntry(wxTarEntry *entry, wxTarInputStream& inputStream);
	230	bool CopyArchiveMetaData(wxTarInputStream& WXUNUSED(s)) { return true; }
	231
	232	void Sync();
	233	bool CloseEntry();
	234	bool Close();
	235
	236	bool IsSeekable() const { return m_parent_o_stream->IsSeekable(); }
	237
	238	void SetBlockingFactor(int factor) { m_BlockingFactor = factor; }
	239	int GetBlockingFactor() const { return m_BlockingFactor; }
	240
	241	protected:
	242	size_t OnSysWrite(const void *buffer, size_t size);
	243	wxFileOffset OnSysTell() const { return m_pos; }
	244	wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);
	245
	246	private:
	247	void Init(wxTarFormat format);
	248
e3a10e0c MW	249	bool PutNextEntry(wxArchiveEntry *entry);
	250	bool CopyEntry(wxArchiveEntry *entry, wxArchiveInputStream& stream);
	251	bool CopyArchiveMetaData(wxArchiveInputStream& WXUNUSED(s)) { return true; }
dd1462c3 MW	252	bool IsOpened() const { return m_pos != wxInvalidOffset; }
	253
	254	bool WriteHeaders(wxTarEntry& entry);
	255	bool ModifyHeader();
	256	wxString PaxHeaderPath(const wxString& format, const wxString& path);
	257
	258	void SetExtendedHeader(const wxString& key, const wxString& value);
	259	void SetHeaderPath(const wxString& name);
	260	bool SetHeaderNumber(int id, wxFileOffset n);
	261	void SetHeaderString(int id, const wxString& str);
	262	void SetHeaderDate(const wxString& key, const wxDateTime& datetime);
	263
	264	wxFileOffset m_pos; // position within the current entry
	265	wxFileOffset m_maxpos; // max pos written
	266	wxFileOffset m_size; // expected entry size
	267
	268	wxFileOffset m_headpos; // offset within the file to the entry's header
	269	wxFileOffset m_datapos; // offset within the file to the entry's data
	270
	271	wxFileOffset m_tarstart;// offset within the file to the tar
	272	wxFileOffset m_tarsize; // size of tar so far
	273
	274	bool m_pax;
	275	int m_BlockingFactor;
	276	wxUint32 m_chksum;
	277	bool m_large;
	278	class wxTarHeaderBlock *m_hdr;
	279	class wxTarHeaderBlock *m_hdr2;
	280	char *m_extendedHdr;
	281	size_t m_extendedSize;
	282	wxString m_badfit;
dd0af4bb	283	bool m_endrecWritten;
dd1462c3	284
c0c133e1	285	wxDECLARE_NO_COPY_CLASS(wxTarOutputStream);
dd1462c3 MW	286	};
	287
	288
	289	/////////////////////////////////////////////////////////////////////////////
	290	// Iterators
	291
	292	#if wxUSE_STL \|\| defined WX_TEST_ARCHIVE_ITERATOR
	293	typedef wxArchiveIterator<wxTarInputStream> wxTarIter;
	294	typedef wxArchiveIterator<wxTarInputStream,
	295	std::pair<wxString, wxTarEntry*> > wxTarPairIter;
	296	#endif
	297
	298
	299	/////////////////////////////////////////////////////////////////////////////
	300	// wxTarClassFactory
	301
46b15bd5	302	class WXDLLIMPEXP_BASE wxTarClassFactory : public wxArchiveClassFactory
dd1462c3 MW	303	{
	304	public:
	305	typedef wxTarEntry entry_type;
	306	typedef wxTarInputStream instream_type;
	307	typedef wxTarOutputStream outstream_type;
	308	typedef wxTarNotifier notifier_type;
	309	#if wxUSE_STL \|\| defined WX_TEST_ARCHIVE_ITERATOR
	310	typedef wxTarIter iter_type;
	311	typedef wxTarPairIter pairiter_type;
	312	#endif
	313
	314	wxTarClassFactory();
	315
	316	wxTarEntry *NewEntry() const
	317	{ return new wxTarEntry; }
	318	wxTarInputStream *NewStream(wxInputStream& stream) const
	319	{ return new wxTarInputStream(stream, GetConv()); }
	320	wxTarOutputStream *NewStream(wxOutputStream& stream) const
	321	{ return new wxTarOutputStream(stream, wxTAR_PAX, GetConv()); }
	322	wxTarInputStream NewStream(wxInputStream stream) const
	323	{ return new wxTarInputStream(stream, GetConv()); }
	324	wxTarOutputStream NewStream(wxOutputStream stream) const
	325	{ return new wxTarOutputStream(stream, wxTAR_PAX, GetConv()); }
	326
	327	wxString GetInternalName(const wxString& name,
	328	wxPathFormat format = wxPATH_NATIVE) const
	329	{ return wxTarEntry::GetInternalName(name, format); }
	330
	331	const wxChar * const *GetProtocols(wxStreamProtocolType type
	332	= wxSTREAM_PROTOCOL) const;
	333
	334	protected:
	335	wxArchiveEntry *DoNewEntry() const
	336	{ return NewEntry(); }
	337	wxArchiveInputStream *DoNewStream(wxInputStream& stream) const
	338	{ return NewStream(stream); }
	339	wxArchiveOutputStream *DoNewStream(wxOutputStream& stream) const
	340	{ return NewStream(stream); }
	341	wxArchiveInputStream DoNewStream(wxInputStream stream) const
	342	{ return NewStream(stream); }
	343	wxArchiveOutputStream DoNewStream(wxOutputStream stream) const
	344	{ return NewStream(stream); }
	345
	346	private:
	347	DECLARE_DYNAMIC_CLASS(wxTarClassFactory)
	348	};
	349
	350
	351	#endif // wxUSE_TARSTREAM
	352
	353	#endif // _WX_WXTARSTREAM_H__