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add pole back as actual files in the repo

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Thomas Fussell 2016-10-24 22:58:08 -04:00
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Ariya Hidayat <ariya@kde.org>

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Borland C++ Compiler 5.5.1
------------------------------
The command-line Borland C++ Compiler version 5.5.1 is available for free
(as 'free' in 'free beer') from:
http://www.borland.com/products/downloads/download_cbuilder.html
OpenWatcom 1.3
------------------------------
OpenWatcom 1.3 does not have STL implementation, therefore you need to
install STLport (tested with version 4.6, earlier version may or may not
work). Because mainstream STLport can not be used directly with OpenWatcom,
please download and use the patched version from this site:
http://www.ecet.vtc.edu/~pchapin/OW/index.html
Digital Mars 8.41n
-------------------------------
Digital Mars command-line C/C++ compilers are available for download
from http://www.digitalmars.com. STLport is required and must be
installed as well.

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POLE 0.3
* changed license to two-clause BSD license
* fixed potential lock-up on corrupted file, bug reported by
Andrew Ziem <ahziem1@mailbolt.com>
* fixed error reading very huge file (larger than 13 MB)
* ported POLEView to Qt 4, making it available also for Windows
* assorted user-interface improvements in POLEView
POLE 0.2 (released March 2005)
* changed license to BSD license
* poleview: graphical tool to view a structured storage
* fixed occasional incorrect reading of big file
* fixed rare memory problem, found by valgrind
* fixed compile with Microsoft Visual C++ and Borland C++ (Windows)
* modified storage to become stateless (with better API)
* performance improvement, especially with very large file
POLE 0.1 (released March 2004)
* initial release
* support for reading structured storages, even large ones
* no support yet for creating or modifying a storage

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POLE - Portable C++ library to access OLE Storage
Copyright (C) 2002-2007 Ariya Hidayat (ariya@kde.org). All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. 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.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.

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POLE - portable library for structured storage
POLE is a portable C++ library to create and read structured storage. With a
structured storage, you can store files inside another file, or you can even
create complex directory tree, if you want to. The structured storage created by
POLE is compatible with Microsoft structured storage, also sometimes called as
OLE Compound Document, which are used among others in Microsoft Office. However,
POLE has the advantage that it's portable (i.e you can read or write a
structured storage in any supported platform), you don't need to rely on Windows
library.
Download
==========
Source code is available at http://developer.berlios.de/projects/pole/.
Please always use the latest stable version.
Install
========
To compile POLE, you need a C++ compiler, with standard C++ library which
supports STL (Standard Template Library). On Linux and other Unices, g++ will do
the job.
POLE is just a library, you have to integrate it as part of your
application/project. Since it consists of one source file and one header file,
it doesn't make much sense to compile POLE as separate library (either static or
dynamic). Simply add these files to your project and you're done.
The source tarball of POLE demonstrates the use of POLE to build poledump, a
small utility to extract any stream inside a structured storage. If you use g++
as the compiler, you can compile poledump using the following command:
g++ -o poledump pole.cpp poledump.cpp
You may use poledump like the example below:
poledump budget.xls Workbook result.xls
The above command will extract a stream named Workbook inside Excel document
(budget.xls) and save it as result.xls. File result.xls will still be recognized
as a valid workbook (in raw format). Launch Microsoft Excel, open this file, and
convince yourself.
Copyright and License
=====================
POLE - Portable C++ library to access OLE Storage
Copyright (C) 2002-2007 Ariya Hidayat (ariya@kde.org). All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. 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.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.

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/* POLE - Portable C++ library to access OLE Storage
Copyright (C) 2002-2007 Ariya Hidayat (ariya@kde.org).
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. 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.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#ifndef POLE_H
#define POLE_H
#include <string>
#include <list>
#include <fstream>
#include <iostream>
#include <list>
#include <string>
#include <vector>
namespace POLE
{
class StorageIO;
class Stream;
class StreamIO;
class DirTree;
class DirEntry;
class Storage
{
friend class Stream;
friend class StreamOut;
public:
// for Storage::result()
enum { Ok, OpenFailed, NotOLE, BadOLE, UnknownError };
/**
* Constructs a storage with name filename.
**/
Storage( char* bytes, unsigned long length );
/**
* Destroys the storage.
**/
~Storage();
/**
* Opens the storage. Returns true if no error occurs.
**/
bool open();
/**
* Closes the storage.
**/
void close();
/**
* Returns the error code of last operation.
**/
int result();
/**
* Finds all stream and directories in given path.
**/
std::list<std::string> entries( const std::string& path = "/" );
/**
* Returns true if specified entry name is a directory.
*/
bool isDirectory( const std::string& name );
DirTree* dirTree();
StorageIO* storageIO();
std::list<DirEntry *> dirEntries( const std::string& path = "/" );
/**
* Finds and returns a stream with the specified name.
* If reuse is true, this function returns the already created stream
* (if any). Otherwise it will create the stream.
*
* When errors occur, this function returns NULL.
*
* You do not need to delete the created stream, it will be handled
* automatically.
**/
Stream* stream( const std::string& name, bool reuse = true );
//Stream* stream( const std::string& name, int mode = Stream::ReadOnly, bool reuse = true );
private:
StorageIO* io;
// no copy or assign
Storage( const Storage& );
Storage& operator=( const Storage& );
};
class Stream
{
friend class Storage;
friend class StorageIO;
public:
/**
* Creates a new stream.
*/
// name must be absolute, e.g "/Workbook"
Stream( Storage* storage, const std::string& name );
/**
* Destroys the stream.
*/
~Stream();
/**
* Returns the full stream name.
*/
std::string fullName();
/**
* Returns the stream size.
**/
unsigned long size();
/**
* Returns the current read/write position.
**/
unsigned long tell();
/**
* Sets the read/write position.
**/
void seek( unsigned long pos );
/**
* Reads a byte.
**/
int getch();
/**
* Reads a block of data.
**/
unsigned long read( unsigned char* data, unsigned long maxlen );
/**
* Returns true if the read/write position is past the file.
**/
bool eof();
/**
* Returns true whenever error occurs.
**/
bool fail();
private:
StreamIO* io;
// no copy or assign
Stream( const Stream& );
Stream& operator=( const Stream& );
};
class Header
{
public:
unsigned char id[8]; // signature, or magic identifier
unsigned b_shift; // bbat->blockSize = 1 << b_shift
unsigned s_shift; // sbat->blockSize = 1 << s_shift
unsigned num_bat; // blocks allocated for big bat
unsigned dirent_start; // starting block for directory info
unsigned threshold; // switch from small to big file (usually 4K)
unsigned sbat_start; // starting block index to store small bat
unsigned num_sbat; // blocks allocated for small bat
unsigned mbat_start; // starting block to store meta bat
unsigned num_mbat; // blocks allocated for meta bat
unsigned long bb_blocks[109];
Header();
bool valid();
void load( const unsigned char* buffer );
void save( unsigned char* buffer );
void debug();
};
class AllocTable
{
public:
static const unsigned Eof;
static const unsigned Avail;
static const unsigned Bat;
static const unsigned MetaBat;
unsigned blockSize;
AllocTable();
void clear();
unsigned long count();
void resize( unsigned long newsize );
void preserve( unsigned long n );
void set( unsigned long index, unsigned long val );
unsigned unused();
void setChain( std::vector<unsigned long> );
std::vector<unsigned long> follow( unsigned long start );
unsigned long operator[](unsigned long index );
void load( const unsigned char* buffer, unsigned len );
void save( unsigned char* buffer );
unsigned size();
void debug();
private:
std::vector<unsigned long> data;
AllocTable( const AllocTable& );
AllocTable& operator=( const AllocTable& );
};
class DirEntry
{
public:
bool valid; // false if invalid (should be skipped)
std::string name; // the name, not in unicode anymore
bool dir; // true if directory
unsigned long size; // size (not valid if directory)
unsigned long start; // starting block
unsigned prev; // previous sibling
unsigned next; // next sibling
unsigned child; // first child
DirEntry(): valid(false), name(), dir(false), size(0), start(0),
prev(0), next(0), child(0) {}
};
class DirTree
{
public:
static const unsigned End;
DirTree();
void clear();
unsigned entryCount();
DirEntry* entry( unsigned index );
DirEntry* entry( const std::string& name, bool create=false );
int indexOf( DirEntry* e );
int parent( unsigned index );
std::string fullName( unsigned index );
std::vector<unsigned> children( unsigned index );
void load( unsigned char* buffer, unsigned len );
void save( unsigned char* buffer );
unsigned size();
void debug();
private:
std::vector<DirEntry> entries;
DirTree( const DirTree& );
DirTree& operator=( const DirTree& );
};
class StorageIO
{
public:
Storage* storage; // owner
unsigned char *filedata;
unsigned long dataLength;
int result; // result of operation
bool opened; // true if file is opened
unsigned long filesize; // size of the file
Header* header; // storage header
DirTree* dirtree; // directory tree
AllocTable* bbat; // allocation table for big blocks
AllocTable* sbat; // allocation table for small blocks
std::vector<unsigned long> sb_blocks; // blocks for "small" files
std::list<Stream*> streams;
StorageIO( Storage* storage, char* bytes, unsigned long length );
~StorageIO();
bool open();
void close();
void flush();
void load();
void create();
unsigned long loadBigBlocks( std::vector<unsigned long> blocks, unsigned char* buffer, unsigned long maxlen );
unsigned long loadBigBlock( unsigned long block, unsigned char* buffer, unsigned long maxlen );
unsigned long loadSmallBlocks( std::vector<unsigned long> blocks, unsigned char* buffer, unsigned long maxlen );
unsigned long loadSmallBlock( unsigned long block, unsigned char* buffer, unsigned long maxlen );
StreamIO* streamIO( const std::string& name );
private:
// no copy or assign
StorageIO( const StorageIO& );
StorageIO& operator=( const StorageIO& );
};
class StreamIO
{
public:
StorageIO* io;
DirEntry* entry;
std::string fullName;
bool eof;
bool fail;
StreamIO( StorageIO* io, DirEntry* entry );
~StreamIO();
unsigned long size();
void seek( unsigned long pos );
unsigned long tell();
int getch();
unsigned long read( unsigned char* data, unsigned long maxlen );
unsigned long read( unsigned long pos, unsigned char* data, unsigned long maxlen );
private:
std::vector<unsigned long> blocks;
// no copy or assign
StreamIO( const StreamIO& );
StreamIO& operator=( const StreamIO& );
// pointer for read
unsigned long m_pos;
// simple cache system to speed-up getch()
unsigned char* cache_data;
unsigned long cache_size;
unsigned long cache_pos;
void updateCache();
};
} // namespace POLE
#endif // POLE_H