mirror of
https://github.com/ecency/ecency-mobile.git
synced 2024-12-25 22:33:52 +03:00
456 lines
12 KiB
C++
456 lines
12 KiB
C++
/*
|
|
*
|
|
* Copyright (c) 1998-2002
|
|
* John Maddock
|
|
*
|
|
* Use, modification and distribution are subject to the
|
|
* Boost Software License, Version 1.0. (See accompanying file
|
|
* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* LOCATION: see http://www.boost.org for most recent version.
|
|
* FILE fileiter.hpp
|
|
* VERSION see <boost/version.hpp>
|
|
* DESCRIPTION: Declares various platform independent file and
|
|
* directory iterators, plus binary file input in
|
|
* the form of class map_file.
|
|
*/
|
|
|
|
#ifndef BOOST_RE_FILEITER_HPP_INCLUDED
|
|
#define BOOST_RE_FILEITER_HPP_INCLUDED
|
|
|
|
#ifndef BOOST_REGEX_CONFIG_HPP
|
|
#include <boost/regex/config.hpp>
|
|
#endif
|
|
#include <boost/assert.hpp>
|
|
|
|
#ifndef BOOST_REGEX_NO_FILEITER
|
|
|
|
#if (defined(__CYGWIN__) || defined(__CYGWIN32__)) && !defined(BOOST_REGEX_NO_W32)
|
|
#error "Sorry, can't mix <windows.h> with STL code and gcc compiler: if you ran configure, try again with configure --disable-ms-windows"
|
|
#define BOOST_REGEX_FI_WIN32_MAP
|
|
#define BOOST_REGEX_FI_POSIX_DIR
|
|
#elif (defined(__WIN32__) || defined(_WIN32) || defined(WIN32)) && !defined(BOOST_REGEX_NO_W32)
|
|
#define BOOST_REGEX_FI_WIN32_MAP
|
|
#define BOOST_REGEX_FI_WIN32_DIR
|
|
#else
|
|
#define BOOST_REGEX_FI_POSIX_MAP
|
|
#define BOOST_REGEX_FI_POSIX_DIR
|
|
#endif
|
|
|
|
#if defined(BOOST_REGEX_FI_WIN32_MAP)||defined(BOOST_REGEX_FI_WIN32_DIR)
|
|
#include <windows.h>
|
|
#endif
|
|
|
|
#if defined(BOOST_REGEX_FI_WIN32_DIR)
|
|
|
|
#include <cstddef>
|
|
|
|
namespace boost{
|
|
namespace BOOST_REGEX_DETAIL_NS{
|
|
|
|
#ifndef BOOST_NO_ANSI_APIS
|
|
typedef WIN32_FIND_DATAA _fi_find_data;
|
|
#else
|
|
typedef WIN32_FIND_DATAW _fi_find_data;
|
|
#endif
|
|
typedef HANDLE _fi_find_handle;
|
|
|
|
} // namespace BOOST_REGEX_DETAIL_NS
|
|
|
|
} // namespace boost
|
|
|
|
#define _fi_invalid_handle INVALID_HANDLE_VALUE
|
|
#define _fi_dir FILE_ATTRIBUTE_DIRECTORY
|
|
|
|
#elif defined(BOOST_REGEX_FI_POSIX_DIR)
|
|
|
|
#include <cstddef>
|
|
#include <cstdio>
|
|
#include <cctype>
|
|
#include <iterator>
|
|
#include <list>
|
|
#include <cassert>
|
|
#include <dirent.h>
|
|
|
|
#if defined(__SUNPRO_CC)
|
|
using std::list;
|
|
#endif
|
|
|
|
#ifndef MAX_PATH
|
|
#define MAX_PATH 256
|
|
#endif
|
|
|
|
namespace boost{
|
|
namespace BOOST_REGEX_DETAIL_NS{
|
|
|
|
#ifdef BOOST_HAS_ABI_HEADERS
|
|
# include BOOST_ABI_PREFIX
|
|
#endif
|
|
|
|
struct _fi_find_data
|
|
{
|
|
unsigned dwFileAttributes;
|
|
char cFileName[MAX_PATH];
|
|
};
|
|
|
|
struct _fi_priv_data;
|
|
|
|
typedef _fi_priv_data* _fi_find_handle;
|
|
#define _fi_invalid_handle 0
|
|
#define _fi_dir 1
|
|
|
|
_fi_find_handle _fi_FindFirstFile(const char* lpFileName, _fi_find_data* lpFindFileData);
|
|
bool _fi_FindNextFile(_fi_find_handle hFindFile, _fi_find_data* lpFindFileData);
|
|
bool _fi_FindClose(_fi_find_handle hFindFile);
|
|
|
|
#ifdef BOOST_HAS_ABI_HEADERS
|
|
# include BOOST_ABI_SUFFIX
|
|
#endif
|
|
|
|
} // namespace BOOST_REGEX_DETAIL_NS
|
|
} // namespace boost
|
|
|
|
#ifdef FindFirstFile
|
|
#undef FindFirstFile
|
|
#endif
|
|
#ifdef FindNextFile
|
|
#undef FindNextFile
|
|
#endif
|
|
#ifdef FindClose
|
|
#undef FindClose
|
|
#endif
|
|
|
|
#define FindFirstFileA _fi_FindFirstFile
|
|
#define FindNextFileA _fi_FindNextFile
|
|
#define FindClose _fi_FindClose
|
|
|
|
#endif
|
|
|
|
namespace boost{
|
|
namespace BOOST_REGEX_DETAIL_NS{
|
|
|
|
#ifdef BOOST_HAS_ABI_HEADERS
|
|
# include BOOST_ABI_PREFIX
|
|
#endif
|
|
|
|
#ifdef BOOST_REGEX_FI_WIN32_MAP // win32 mapfile
|
|
|
|
class BOOST_REGEX_DECL mapfile
|
|
{
|
|
HANDLE hfile;
|
|
HANDLE hmap;
|
|
const char* _first;
|
|
const char* _last;
|
|
public:
|
|
|
|
typedef const char* iterator;
|
|
|
|
mapfile(){ hfile = hmap = 0; _first = _last = 0; }
|
|
mapfile(const char* file){ hfile = hmap = 0; _first = _last = 0; open(file); }
|
|
~mapfile(){ close(); }
|
|
void open(const char* file);
|
|
void close();
|
|
const char* begin(){ return _first; }
|
|
const char* end(){ return _last; }
|
|
size_t size(){ return _last - _first; }
|
|
bool valid(){ return (hfile != 0) && (hfile != INVALID_HANDLE_VALUE); }
|
|
};
|
|
|
|
|
|
#else
|
|
|
|
class BOOST_REGEX_DECL mapfile_iterator;
|
|
|
|
class BOOST_REGEX_DECL mapfile
|
|
{
|
|
typedef char* pointer;
|
|
std::FILE* hfile;
|
|
long int _size;
|
|
pointer* _first;
|
|
pointer* _last;
|
|
mutable std::list<pointer*> condemed;
|
|
enum sizes
|
|
{
|
|
buf_size = 4096
|
|
};
|
|
void lock(pointer* node)const;
|
|
void unlock(pointer* node)const;
|
|
public:
|
|
|
|
typedef mapfile_iterator iterator;
|
|
|
|
mapfile(){ hfile = 0; _size = 0; _first = _last = 0; }
|
|
mapfile(const char* file){ hfile = 0; _size = 0; _first = _last = 0; open(file); }
|
|
~mapfile(){ close(); }
|
|
void open(const char* file);
|
|
void close();
|
|
iterator begin()const;
|
|
iterator end()const;
|
|
unsigned long size()const{ return _size; }
|
|
bool valid()const{ return hfile != 0; }
|
|
friend class mapfile_iterator;
|
|
};
|
|
|
|
class BOOST_REGEX_DECL mapfile_iterator
|
|
#if !defined(BOOST_NO_STD_ITERATOR) || defined(BOOST_MSVC_STD_ITERATOR)
|
|
: public std::iterator<std::random_access_iterator_tag, char>
|
|
#endif
|
|
{
|
|
typedef mapfile::pointer internal_pointer;
|
|
internal_pointer* node;
|
|
const mapfile* file;
|
|
unsigned long offset;
|
|
long position()const
|
|
{
|
|
return file ? ((node - file->_first) * mapfile::buf_size + offset) : 0;
|
|
}
|
|
void position(long pos)
|
|
{
|
|
if(file)
|
|
{
|
|
node = file->_first + (pos / mapfile::buf_size);
|
|
offset = pos % mapfile::buf_size;
|
|
}
|
|
}
|
|
public:
|
|
typedef std::ptrdiff_t difference_type;
|
|
typedef char value_type;
|
|
typedef const char* pointer;
|
|
typedef const char& reference;
|
|
typedef std::random_access_iterator_tag iterator_category;
|
|
|
|
mapfile_iterator() { node = 0; file = 0; offset = 0; }
|
|
mapfile_iterator(const mapfile* f, long arg_position)
|
|
{
|
|
BOOST_ASSERT(f);
|
|
file = f;
|
|
node = f->_first + arg_position / mapfile::buf_size;
|
|
offset = arg_position % mapfile::buf_size;
|
|
file->lock(node);
|
|
}
|
|
mapfile_iterator(const mapfile_iterator& i)
|
|
{
|
|
file = i.file;
|
|
node = i.node;
|
|
offset = i.offset;
|
|
if(file)
|
|
file->lock(node);
|
|
}
|
|
~mapfile_iterator()
|
|
{
|
|
if(file && node)
|
|
file->unlock(node);
|
|
}
|
|
mapfile_iterator& operator = (const mapfile_iterator& i);
|
|
char operator* ()const
|
|
{
|
|
BOOST_ASSERT(node >= file->_first);
|
|
BOOST_ASSERT(node < file->_last);
|
|
return file ? *(*node + sizeof(int) + offset) : char(0);
|
|
}
|
|
char operator[] (long off)const
|
|
{
|
|
mapfile_iterator tmp(*this);
|
|
tmp += off;
|
|
return *tmp;
|
|
}
|
|
mapfile_iterator& operator++ ();
|
|
mapfile_iterator operator++ (int);
|
|
mapfile_iterator& operator-- ();
|
|
mapfile_iterator operator-- (int);
|
|
|
|
mapfile_iterator& operator += (long off)
|
|
{
|
|
position(position() + off);
|
|
return *this;
|
|
}
|
|
mapfile_iterator& operator -= (long off)
|
|
{
|
|
position(position() - off);
|
|
return *this;
|
|
}
|
|
|
|
friend inline bool operator==(const mapfile_iterator& i, const mapfile_iterator& j)
|
|
{
|
|
return (i.file == j.file) && (i.node == j.node) && (i.offset == j.offset);
|
|
}
|
|
|
|
friend inline bool operator!=(const mapfile_iterator& i, const mapfile_iterator& j)
|
|
{
|
|
return !(i == j);
|
|
}
|
|
|
|
friend inline bool operator<(const mapfile_iterator& i, const mapfile_iterator& j)
|
|
{
|
|
return i.position() < j.position();
|
|
}
|
|
friend inline bool operator>(const mapfile_iterator& i, const mapfile_iterator& j)
|
|
{
|
|
return i.position() > j.position();
|
|
}
|
|
friend inline bool operator<=(const mapfile_iterator& i, const mapfile_iterator& j)
|
|
{
|
|
return i.position() <= j.position();
|
|
}
|
|
friend inline bool operator>=(const mapfile_iterator& i, const mapfile_iterator& j)
|
|
{
|
|
return i.position() >= j.position();
|
|
}
|
|
|
|
friend mapfile_iterator operator + (const mapfile_iterator& i, long off);
|
|
friend mapfile_iterator operator + (long off, const mapfile_iterator& i)
|
|
{
|
|
mapfile_iterator tmp(i);
|
|
return tmp += off;
|
|
}
|
|
friend mapfile_iterator operator - (const mapfile_iterator& i, long off);
|
|
friend inline long operator - (const mapfile_iterator& i, const mapfile_iterator& j)
|
|
{
|
|
return i.position() - j.position();
|
|
}
|
|
};
|
|
|
|
#endif
|
|
|
|
// _fi_sep determines the directory separator, either '\\' or '/'
|
|
BOOST_REGEX_DECL extern const char* _fi_sep;
|
|
|
|
struct file_iterator_ref
|
|
{
|
|
_fi_find_handle hf;
|
|
_fi_find_data _data;
|
|
long count;
|
|
};
|
|
|
|
|
|
class BOOST_REGEX_DECL file_iterator
|
|
{
|
|
char* _root;
|
|
char* _path;
|
|
char* ptr;
|
|
file_iterator_ref* ref;
|
|
|
|
public:
|
|
typedef std::ptrdiff_t difference_type;
|
|
typedef const char* value_type;
|
|
typedef const char** pointer;
|
|
typedef const char*& reference;
|
|
typedef std::input_iterator_tag iterator_category;
|
|
|
|
file_iterator();
|
|
file_iterator(const char* wild);
|
|
~file_iterator();
|
|
file_iterator(const file_iterator&);
|
|
file_iterator& operator=(const file_iterator&);
|
|
const char* root()const { return _root; }
|
|
const char* path()const { return _path; }
|
|
const char* name()const { return ptr; }
|
|
_fi_find_data* data() { return &(ref->_data); }
|
|
void next();
|
|
file_iterator& operator++() { next(); return *this; }
|
|
file_iterator operator++(int);
|
|
const char* operator*() { return path(); }
|
|
|
|
friend inline bool operator == (const file_iterator& f1, const file_iterator& f2)
|
|
{
|
|
return ((f1.ref->hf == _fi_invalid_handle) && (f2.ref->hf == _fi_invalid_handle));
|
|
}
|
|
|
|
friend inline bool operator != (const file_iterator& f1, const file_iterator& f2)
|
|
{
|
|
return !(f1 == f2);
|
|
}
|
|
|
|
};
|
|
|
|
// dwa 9/13/00 - suppress unused parameter warning
|
|
inline bool operator < (const file_iterator&, const file_iterator&)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
|
|
class BOOST_REGEX_DECL directory_iterator
|
|
{
|
|
char* _root;
|
|
char* _path;
|
|
char* ptr;
|
|
file_iterator_ref* ref;
|
|
|
|
public:
|
|
typedef std::ptrdiff_t difference_type;
|
|
typedef const char* value_type;
|
|
typedef const char** pointer;
|
|
typedef const char*& reference;
|
|
typedef std::input_iterator_tag iterator_category;
|
|
|
|
directory_iterator();
|
|
directory_iterator(const char* wild);
|
|
~directory_iterator();
|
|
directory_iterator(const directory_iterator& other);
|
|
directory_iterator& operator=(const directory_iterator& other);
|
|
|
|
const char* root()const { return _root; }
|
|
const char* path()const { return _path; }
|
|
const char* name()const { return ptr; }
|
|
_fi_find_data* data() { return &(ref->_data); }
|
|
void next();
|
|
directory_iterator& operator++() { next(); return *this; }
|
|
directory_iterator operator++(int);
|
|
const char* operator*() { return path(); }
|
|
|
|
static const char* separator() { return _fi_sep; }
|
|
|
|
friend inline bool operator == (const directory_iterator& f1, const directory_iterator& f2)
|
|
{
|
|
return ((f1.ref->hf == _fi_invalid_handle) && (f2.ref->hf == _fi_invalid_handle));
|
|
}
|
|
|
|
|
|
friend inline bool operator != (const directory_iterator& f1, const directory_iterator& f2)
|
|
{
|
|
return !(f1 == f2);
|
|
}
|
|
|
|
};
|
|
|
|
inline bool operator < (const directory_iterator&, const directory_iterator&)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
#ifdef BOOST_HAS_ABI_HEADERS
|
|
# include BOOST_ABI_SUFFIX
|
|
#endif
|
|
|
|
|
|
} // namespace BOOST_REGEX_DETAIL_NS
|
|
using boost::BOOST_REGEX_DETAIL_NS::directory_iterator;
|
|
using boost::BOOST_REGEX_DETAIL_NS::file_iterator;
|
|
using boost::BOOST_REGEX_DETAIL_NS::mapfile;
|
|
} // namespace boost
|
|
|
|
#endif // BOOST_REGEX_NO_FILEITER
|
|
#endif // BOOST_RE_FILEITER_HPP
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|