// boost/filesystem/directory.hpp ---------------------------------------------------//
|
|
// Copyright Beman Dawes 2002-2009
|
// Copyright Jan Langer 2002
|
// Copyright Dietmar Kuehl 2001
|
// Copyright Vladimir Prus 2002
|
// Copyright Andrey Semashev 2019
|
|
// Distributed under the Boost Software License, Version 1.0.
|
// See http://www.boost.org/LICENSE_1_0.txt
|
|
// Library home page: http://www.boost.org/libs/filesystem
|
|
//--------------------------------------------------------------------------------------//
|
|
#ifndef BOOST_FILESYSTEM3_DIRECTORY_HPP
|
#define BOOST_FILESYSTEM3_DIRECTORY_HPP
|
|
#include <boost/config.hpp>
|
|
# if defined( BOOST_NO_STD_WSTRING )
|
# error Configuration not supported: Boost.Filesystem V3 and later requires std::wstring support
|
# endif
|
|
#include <boost/filesystem/config.hpp>
|
#include <boost/filesystem/path.hpp>
|
#include <boost/filesystem/file_status.hpp>
|
|
#include <string>
|
#include <vector>
|
#include <utility> // std::move
|
|
#include <boost/assert.hpp>
|
#include <boost/core/scoped_enum.hpp>
|
#include <boost/detail/bitmask.hpp>
|
#include <boost/system/error_code.hpp>
|
#include <boost/smart_ptr/intrusive_ptr.hpp>
|
#include <boost/smart_ptr/intrusive_ref_counter.hpp>
|
#include <boost/iterator/iterator_facade.hpp>
|
#include <boost/iterator/iterator_categories.hpp>
|
|
#include <boost/config/abi_prefix.hpp> // must be the last #include
|
|
//--------------------------------------------------------------------------------------//
|
|
namespace boost {
|
namespace filesystem {
|
|
//--------------------------------------------------------------------------------------//
|
// //
|
// directory_entry //
|
// //
|
//--------------------------------------------------------------------------------------//
|
|
// GCC has a problem with a member function named path within a namespace or
|
// sub-namespace that also has a class named path. The workaround is to always
|
// fully qualify the name path when it refers to the class name.
|
|
class directory_entry
|
{
|
public:
|
typedef boost::filesystem::path::value_type value_type; // enables class path ctor taking directory_entry
|
|
directory_entry() BOOST_NOEXCEPT {}
|
explicit directory_entry(const boost::filesystem::path& p) :
|
m_path(p), m_status(file_status()), m_symlink_status(file_status())
|
{
|
}
|
directory_entry(const boost::filesystem::path& p,
|
file_status st, file_status symlink_st = file_status()) :
|
m_path(p), m_status(st), m_symlink_status(symlink_st)
|
{
|
}
|
|
directory_entry(const directory_entry& rhs) :
|
m_path(rhs.m_path), m_status(rhs.m_status), m_symlink_status(rhs.m_symlink_status)
|
{
|
}
|
|
directory_entry& operator=(const directory_entry& rhs)
|
{
|
m_path = rhs.m_path;
|
m_status = rhs.m_status;
|
m_symlink_status = rhs.m_symlink_status;
|
return *this;
|
}
|
|
// As of October 2015 the interaction between noexcept and =default is so troublesome
|
// for VC++, GCC, and probably other compilers, that =default is not used with noexcept
|
// functions. GCC is not even consistent for the same release on different platforms.
|
|
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
|
directory_entry(directory_entry&& rhs) BOOST_NOEXCEPT :
|
m_path(std::move(rhs.m_path)), m_status(std::move(rhs.m_status)), m_symlink_status(std::move(rhs.m_symlink_status))
|
{
|
}
|
directory_entry& operator=(directory_entry&& rhs) BOOST_NOEXCEPT
|
{
|
m_path = std::move(rhs.m_path);
|
m_status = std::move(rhs.m_status);
|
m_symlink_status = std::move(rhs.m_symlink_status);
|
return *this;
|
}
|
#endif
|
|
void assign(const boost::filesystem::path& p,
|
file_status st = file_status(), file_status symlink_st = file_status())
|
{
|
m_path = p;
|
m_status = st;
|
m_symlink_status = symlink_st;
|
}
|
|
void replace_filename(const boost::filesystem::path& p,
|
file_status st = file_status(), file_status symlink_st = file_status())
|
{
|
m_path.remove_filename();
|
m_path /= p;
|
m_status = st;
|
m_symlink_status = symlink_st;
|
}
|
|
# ifndef BOOST_FILESYSTEM_NO_DEPRECATED
|
void replace_leaf(const boost::filesystem::path& p, file_status st, file_status symlink_st)
|
{
|
replace_filename(p, st, symlink_st);
|
}
|
# endif
|
|
const boost::filesystem::path& path() const BOOST_NOEXCEPT { return m_path; }
|
operator const boost::filesystem::path&() const BOOST_NOEXCEPT { return m_path; }
|
file_status status() const { return get_status(); }
|
file_status status(system::error_code& ec) const BOOST_NOEXCEPT { return get_status(&ec); }
|
file_status symlink_status() const { return get_symlink_status(); }
|
file_status symlink_status(system::error_code& ec) const BOOST_NOEXCEPT { return get_symlink_status(&ec); }
|
|
bool operator==(const directory_entry& rhs) const BOOST_NOEXCEPT { return m_path == rhs.m_path; }
|
bool operator!=(const directory_entry& rhs) const BOOST_NOEXCEPT { return m_path != rhs.m_path; }
|
bool operator< (const directory_entry& rhs) const BOOST_NOEXCEPT { return m_path < rhs.m_path; }
|
bool operator<=(const directory_entry& rhs) const BOOST_NOEXCEPT { return m_path <= rhs.m_path; }
|
bool operator> (const directory_entry& rhs) const BOOST_NOEXCEPT { return m_path > rhs.m_path; }
|
bool operator>=(const directory_entry& rhs) const BOOST_NOEXCEPT { return m_path >= rhs.m_path; }
|
|
private:
|
BOOST_FILESYSTEM_DECL file_status get_status(system::error_code* ec=0) const;
|
BOOST_FILESYSTEM_DECL file_status get_symlink_status(system::error_code* ec=0) const;
|
|
private:
|
boost::filesystem::path m_path;
|
mutable file_status m_status; // stat()-like
|
mutable file_status m_symlink_status; // lstat()-like
|
}; // directory_entry
|
|
|
//--------------------------------------------------------------------------------------//
|
// //
|
// directory_entry overloads //
|
// //
|
//--------------------------------------------------------------------------------------//
|
|
// Without these functions, calling (for example) 'is_directory' with a 'directory_entry' results in:
|
// - a conversion to 'path' using 'operator const boost::filesystem::path&()',
|
// - then a call to 'is_directory(const path& p)' which recomputes the status with 'detail::status(p)'.
|
//
|
// These functions avoid a costly recomputation of the status if one calls 'is_directory(e)' instead of 'is_directory(e.status())'
|
|
inline file_status status (const directory_entry& e) { return e.status(); }
|
inline file_status status (const directory_entry& e, system::error_code& ec) BOOST_NOEXCEPT { return e.status(ec); }
|
inline bool type_present (const directory_entry& e) { return filesystem::type_present(e.status()); }
|
inline bool type_present (const directory_entry& e, system::error_code& ec) BOOST_NOEXCEPT { return filesystem::type_present(e.status(ec)); }
|
inline bool status_known (const directory_entry& e) { return filesystem::status_known(e.status()); }
|
inline bool status_known (const directory_entry& e, system::error_code& ec) BOOST_NOEXCEPT { return filesystem::status_known(e.status(ec)); }
|
inline bool exists (const directory_entry& e) { return filesystem::exists(e.status()); }
|
inline bool exists (const directory_entry& e, system::error_code& ec) BOOST_NOEXCEPT { return filesystem::exists(e.status(ec)); }
|
inline bool is_regular_file(const directory_entry& e) { return filesystem::is_regular_file(e.status()); }
|
inline bool is_regular_file(const directory_entry& e, system::error_code& ec) BOOST_NOEXCEPT { return filesystem::is_regular_file(e.status(ec)); }
|
inline bool is_directory (const directory_entry& e) { return filesystem::is_directory(e.status()); }
|
inline bool is_directory (const directory_entry& e, system::error_code& ec) BOOST_NOEXCEPT { return filesystem::is_directory(e.status(ec)); }
|
inline bool is_symlink (const directory_entry& e) { return filesystem::is_symlink(e.symlink_status()); }
|
inline bool is_symlink (const directory_entry& e, system::error_code& ec) BOOST_NOEXCEPT { return filesystem::is_symlink(e.symlink_status(ec)); }
|
inline bool is_other (const directory_entry& e) { return filesystem::is_other(e.status()); }
|
inline bool is_other (const directory_entry& e, system::error_code& ec) BOOST_NOEXCEPT { return filesystem::is_other(e.status(ec)); }
|
#ifndef BOOST_FILESYSTEM_NO_DEPRECATED
|
inline bool is_regular (const directory_entry& e) { return filesystem::is_regular(e.status()); }
|
#endif
|
|
//--------------------------------------------------------------------------------------//
|
// //
|
// directory_iterator helpers //
|
// //
|
//--------------------------------------------------------------------------------------//
|
|
BOOST_SCOPED_ENUM_UT_DECLARE_BEGIN(directory_options, unsigned int)
|
{
|
none = 0u,
|
skip_permission_denied = 1u, // if a directory cannot be opened because of insufficient permissions, pretend that the directory is empty
|
follow_directory_symlink = 1u << 1, // recursive_directory_iterator: follow directory symlinks
|
skip_dangling_symlinks = 1u << 2, // non-standard extension for recursive_directory_iterator: don't follow dangling directory symlinks,
|
pop_on_error = 1u << 3, // non-standard extension for recursive_directory_iterator: instead of producing an end iterator on errors,
|
// repeatedly invoke pop() until it succeeds or the iterator becomes equal to end iterator
|
_detail_no_push = 1u << 4 // internal use only
|
}
|
BOOST_SCOPED_ENUM_DECLARE_END(directory_options)
|
|
BOOST_BITMASK(BOOST_SCOPED_ENUM_NATIVE(directory_options))
|
|
class directory_iterator;
|
|
namespace detail {
|
|
BOOST_FILESYSTEM_DECL
|
system::error_code dir_itr_close(// never throws()
|
void*& handle
|
#if defined(BOOST_POSIX_API)
|
, void*& buffer
|
#endif
|
) BOOST_NOEXCEPT;
|
|
struct dir_itr_imp :
|
public boost::intrusive_ref_counter< dir_itr_imp >
|
{
|
directory_entry dir_entry;
|
void* handle;
|
|
#if defined(BOOST_POSIX_API)
|
void* buffer; // see dir_itr_increment implementation
|
#endif
|
|
dir_itr_imp() BOOST_NOEXCEPT :
|
handle(0)
|
#if defined(BOOST_POSIX_API)
|
, buffer(0)
|
#endif
|
{
|
}
|
|
~dir_itr_imp() BOOST_NOEXCEPT
|
{
|
dir_itr_close(handle
|
#if defined(BOOST_POSIX_API)
|
, buffer
|
#endif
|
);
|
}
|
};
|
|
// see path::iterator: comment below
|
BOOST_FILESYSTEM_DECL void directory_iterator_construct(directory_iterator& it, const path& p, unsigned int opts, system::error_code* ec);
|
BOOST_FILESYSTEM_DECL void directory_iterator_increment(directory_iterator& it, system::error_code* ec);
|
|
} // namespace detail
|
|
//--------------------------------------------------------------------------------------//
|
// //
|
// directory_iterator //
|
// //
|
//--------------------------------------------------------------------------------------//
|
|
class directory_iterator :
|
public boost::iterator_facade<
|
directory_iterator,
|
directory_entry,
|
boost::single_pass_traversal_tag
|
>
|
{
|
friend class boost::iterator_core_access;
|
|
friend BOOST_FILESYSTEM_DECL void detail::directory_iterator_construct(directory_iterator& it, const path& p, unsigned int opts, system::error_code* ec);
|
friend BOOST_FILESYSTEM_DECL void detail::directory_iterator_increment(directory_iterator& it, system::error_code* ec);
|
|
public:
|
directory_iterator() BOOST_NOEXCEPT {} // creates the "end" iterator
|
|
// iterator_facade derived classes don't seem to like implementations in
|
// separate translation unit dll's, so forward to detail functions
|
explicit directory_iterator(const path& p, BOOST_SCOPED_ENUM_NATIVE(directory_options) opts = directory_options::none)
|
{
|
detail::directory_iterator_construct(*this, p, static_cast< unsigned int >(opts), 0);
|
}
|
|
directory_iterator(const path& p, system::error_code& ec) BOOST_NOEXCEPT
|
{
|
detail::directory_iterator_construct(*this, p, static_cast< unsigned int >(directory_options::none), &ec);
|
}
|
|
directory_iterator(const path& p, BOOST_SCOPED_ENUM_NATIVE(directory_options) opts, system::error_code& ec) BOOST_NOEXCEPT
|
{
|
detail::directory_iterator_construct(*this, p, static_cast< unsigned int >(opts), &ec);
|
}
|
|
BOOST_DEFAULTED_FUNCTION(directory_iterator(directory_iterator const& that), : m_imp(that.m_imp) {})
|
BOOST_DEFAULTED_FUNCTION(directory_iterator& operator= (directory_iterator const& that), { m_imp = that.m_imp; return *this; })
|
|
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
|
directory_iterator(directory_iterator&& that) BOOST_NOEXCEPT :
|
m_imp(std::move(that.m_imp))
|
{
|
}
|
|
directory_iterator& operator= (directory_iterator&& that) BOOST_NOEXCEPT
|
{
|
m_imp = std::move(that.m_imp);
|
return *this;
|
}
|
#endif // !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
|
|
directory_iterator& increment(system::error_code& ec) BOOST_NOEXCEPT
|
{
|
detail::directory_iterator_increment(*this, &ec);
|
return *this;
|
}
|
|
private:
|
boost::iterator_facade<
|
directory_iterator,
|
directory_entry,
|
boost::single_pass_traversal_tag
|
>::reference dereference() const
|
{
|
BOOST_ASSERT_MSG(!is_end(), "attempt to dereference end directory iterator");
|
return m_imp->dir_entry;
|
}
|
|
void increment() { detail::directory_iterator_increment(*this, 0); }
|
|
bool equal(const directory_iterator& rhs) const BOOST_NOEXCEPT
|
{
|
return m_imp == rhs.m_imp || (is_end() && rhs.is_end());
|
}
|
|
bool is_end() const BOOST_NOEXCEPT
|
{
|
// Note: The check for handle is needed because the iterator can be copied and the copy
|
// can be incremented to end while the original iterator still refers to the same dir_itr_imp.
|
return !m_imp || !m_imp->handle;
|
}
|
|
private:
|
// intrusive_ptr provides the shallow-copy semantics required for single pass iterators
|
// (i.e. InputIterators). The end iterator is indicated by is_end().
|
boost::intrusive_ptr< detail::dir_itr_imp > m_imp;
|
};
|
|
// enable directory_iterator C++11 range-based for statement use --------------------//
|
|
// begin() and end() are only used by a range-based for statement in the context of
|
// auto - thus the top-level const is stripped - so returning const is harmless and
|
// emphasizes begin() is just a pass through.
|
inline const directory_iterator& begin(const directory_iterator& iter) BOOST_NOEXCEPT { return iter; }
|
inline directory_iterator end(const directory_iterator&) BOOST_NOEXCEPT { return directory_iterator(); }
|
|
// enable C++14 generic accessors for range const iterators
|
inline const directory_iterator& cbegin(const directory_iterator& iter) BOOST_NOEXCEPT { return iter; }
|
inline directory_iterator cend(const directory_iterator&) BOOST_NOEXCEPT { return directory_iterator(); }
|
|
// enable directory_iterator BOOST_FOREACH -----------------------------------------//
|
|
inline directory_iterator& range_begin(directory_iterator& iter) BOOST_NOEXCEPT { return iter; }
|
inline directory_iterator range_begin(const directory_iterator& iter) BOOST_NOEXCEPT { return iter; }
|
inline directory_iterator range_end(directory_iterator&) BOOST_NOEXCEPT { return directory_iterator(); }
|
inline directory_iterator range_end(const directory_iterator&) BOOST_NOEXCEPT { return directory_iterator(); }
|
|
} // namespace filesystem
|
|
// namespace boost template specializations
|
template<typename C, typename Enabler>
|
struct range_mutable_iterator;
|
|
template<>
|
struct range_mutable_iterator<boost::filesystem::directory_iterator, void>
|
{
|
typedef boost::filesystem::directory_iterator type;
|
};
|
|
template<typename C, typename Enabler>
|
struct range_const_iterator;
|
|
template<>
|
struct range_const_iterator<boost::filesystem::directory_iterator, void>
|
{
|
typedef boost::filesystem::directory_iterator type;
|
};
|
|
namespace filesystem {
|
|
//--------------------------------------------------------------------------------------//
|
// //
|
// recursive_directory_iterator helpers //
|
// //
|
//--------------------------------------------------------------------------------------//
|
|
#if !defined(BOOST_FILESYSTEM_NO_DEPRECATED)
|
// Deprecated enum, use directory_options instead
|
BOOST_SCOPED_ENUM_UT_DECLARE_BEGIN(symlink_option, unsigned int)
|
{
|
none = static_cast< unsigned int >(directory_options::none),
|
no_recurse = none, // don't follow directory symlinks (default behavior)
|
recurse = static_cast< unsigned int >(directory_options::follow_directory_symlink), // follow directory symlinks
|
_detail_no_push = static_cast< unsigned int >(directory_options::_detail_no_push) // internal use only
|
}
|
BOOST_SCOPED_ENUM_DECLARE_END(symlink_option)
|
|
BOOST_BITMASK(BOOST_SCOPED_ENUM_NATIVE(symlink_option))
|
#endif // BOOST_FILESYSTEM_NO_DEPRECATED
|
|
class recursive_directory_iterator;
|
|
namespace detail {
|
|
struct recur_dir_itr_imp :
|
public boost::intrusive_ref_counter< recur_dir_itr_imp >
|
{
|
typedef directory_iterator element_type;
|
std::vector< element_type > m_stack;
|
// directory_options values, declared as unsigned int for ABI compatibility
|
unsigned int m_options;
|
|
explicit recur_dir_itr_imp(unsigned int opts) BOOST_NOEXCEPT : m_options(opts) {}
|
};
|
|
BOOST_FILESYSTEM_DECL void recursive_directory_iterator_construct(recursive_directory_iterator& it, const path& dir_path, unsigned int opts, system::error_code* ec);
|
BOOST_FILESYSTEM_DECL void recursive_directory_iterator_increment(recursive_directory_iterator& it, system::error_code* ec);
|
BOOST_FILESYSTEM_DECL void recursive_directory_iterator_pop(recursive_directory_iterator& it, system::error_code* ec);
|
|
} // namespace detail
|
|
//--------------------------------------------------------------------------------------//
|
// //
|
// recursive_directory_iterator //
|
// //
|
//--------------------------------------------------------------------------------------//
|
|
class recursive_directory_iterator :
|
public boost::iterator_facade<
|
recursive_directory_iterator,
|
directory_entry,
|
boost::single_pass_traversal_tag
|
>
|
{
|
friend class boost::iterator_core_access;
|
|
friend BOOST_FILESYSTEM_DECL void detail::recursive_directory_iterator_construct(recursive_directory_iterator& it, const path& dir_path, unsigned int opts, system::error_code* ec);
|
friend BOOST_FILESYSTEM_DECL void detail::recursive_directory_iterator_increment(recursive_directory_iterator& it, system::error_code* ec);
|
friend BOOST_FILESYSTEM_DECL void detail::recursive_directory_iterator_pop(recursive_directory_iterator& it, system::error_code* ec);
|
|
public:
|
recursive_directory_iterator() BOOST_NOEXCEPT {} // creates the "end" iterator
|
|
explicit recursive_directory_iterator(const path& dir_path)
|
{
|
detail::recursive_directory_iterator_construct(*this, dir_path, static_cast< unsigned int >(directory_options::none), 0);
|
}
|
|
recursive_directory_iterator(const path& dir_path, system::error_code& ec)
|
{
|
detail::recursive_directory_iterator_construct(*this, dir_path, static_cast< unsigned int >(directory_options::none), &ec);
|
}
|
|
recursive_directory_iterator(const path& dir_path, BOOST_SCOPED_ENUM_NATIVE(directory_options) opts)
|
{
|
detail::recursive_directory_iterator_construct(*this, dir_path, static_cast< unsigned int >(opts), 0);
|
}
|
|
recursive_directory_iterator(const path& dir_path, BOOST_SCOPED_ENUM_NATIVE(directory_options) opts, system::error_code& ec)
|
{
|
detail::recursive_directory_iterator_construct(*this, dir_path, static_cast< unsigned int >(opts), &ec);
|
}
|
|
#if !defined(BOOST_FILESYSTEM_NO_DEPRECATED)
|
// Deprecated constructors
|
recursive_directory_iterator(const path& dir_path, BOOST_SCOPED_ENUM_NATIVE(symlink_option) opts)
|
{
|
detail::recursive_directory_iterator_construct(*this, dir_path, static_cast< unsigned int >(opts), 0);
|
}
|
|
recursive_directory_iterator(const path& dir_path, BOOST_SCOPED_ENUM_NATIVE(symlink_option) opts, system::error_code& ec) BOOST_NOEXCEPT
|
{
|
detail::recursive_directory_iterator_construct(*this, dir_path, static_cast< unsigned int >(opts), &ec);
|
}
|
#endif // BOOST_FILESYSTEM_NO_DEPRECATED
|
|
BOOST_DEFAULTED_FUNCTION(recursive_directory_iterator(recursive_directory_iterator const& that), : m_imp(that.m_imp) {})
|
BOOST_DEFAULTED_FUNCTION(recursive_directory_iterator& operator= (recursive_directory_iterator const& that), { m_imp = that.m_imp; return *this; })
|
|
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
|
recursive_directory_iterator(recursive_directory_iterator&& that) BOOST_NOEXCEPT :
|
m_imp(std::move(that.m_imp))
|
{
|
}
|
|
recursive_directory_iterator& operator= (recursive_directory_iterator&& that) BOOST_NOEXCEPT
|
{
|
m_imp = std::move(that.m_imp);
|
return *this;
|
}
|
#endif // !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
|
|
recursive_directory_iterator& increment(system::error_code& ec) BOOST_NOEXCEPT
|
{
|
detail::recursive_directory_iterator_increment(*this, &ec);
|
return *this;
|
}
|
|
int depth() const BOOST_NOEXCEPT
|
{
|
BOOST_ASSERT_MSG(!is_end(), "depth() on end recursive_directory_iterator");
|
return static_cast< int >(m_imp->m_stack.size() - 1u);
|
}
|
|
bool recursion_pending() const BOOST_NOEXCEPT
|
{
|
BOOST_ASSERT_MSG(!is_end(), "recursion_pending() on end recursive_directory_iterator");
|
return (m_imp->m_options & static_cast< unsigned int >(directory_options::_detail_no_push)) == 0u;
|
}
|
|
#ifndef BOOST_FILESYSTEM_NO_DEPRECATED
|
int level() const BOOST_NOEXCEPT { return depth(); }
|
bool no_push_pending() const BOOST_NOEXCEPT { return !recursion_pending(); }
|
bool no_push_request() const BOOST_NOEXCEPT { return !recursion_pending(); }
|
#endif
|
|
void pop()
|
{
|
detail::recursive_directory_iterator_pop(*this, 0);
|
}
|
|
void pop(system::error_code& ec) BOOST_NOEXCEPT
|
{
|
detail::recursive_directory_iterator_pop(*this, &ec);
|
}
|
|
void disable_recursion_pending(bool value = true) BOOST_NOEXCEPT
|
{
|
BOOST_ASSERT_MSG(!is_end(), "disable_recursion_pending() on end recursive_directory_iterator");
|
if (value)
|
m_imp->m_options |= static_cast< unsigned int >(directory_options::_detail_no_push);
|
else
|
m_imp->m_options &= ~static_cast< unsigned int >(directory_options::_detail_no_push);
|
}
|
|
#ifndef BOOST_FILESYSTEM_NO_DEPRECATED
|
void no_push(bool value = true) BOOST_NOEXCEPT { disable_recursion_pending(value); }
|
#endif
|
|
file_status status() const
|
{
|
BOOST_ASSERT_MSG(!is_end(), "status() on end recursive_directory_iterator");
|
return m_imp->m_stack.back()->status();
|
}
|
|
file_status symlink_status() const
|
{
|
BOOST_ASSERT_MSG(!is_end(), "symlink_status() on end recursive_directory_iterator");
|
return m_imp->m_stack.back()->symlink_status();
|
}
|
|
private:
|
boost::iterator_facade<
|
recursive_directory_iterator,
|
directory_entry,
|
boost::single_pass_traversal_tag
|
>::reference dereference() const
|
{
|
BOOST_ASSERT_MSG(!is_end(), "dereference of end recursive_directory_iterator");
|
return *m_imp->m_stack.back();
|
}
|
|
void increment() { detail::recursive_directory_iterator_increment(*this, 0); }
|
|
bool equal(const recursive_directory_iterator& rhs) const BOOST_NOEXCEPT
|
{
|
return m_imp == rhs.m_imp || (is_end() && rhs.is_end());
|
}
|
|
bool is_end() const BOOST_NOEXCEPT
|
{
|
// Note: The check for m_stack.empty() is needed because the iterator can be copied and the copy
|
// can be incremented to end while the original iterator still refers to the same recur_dir_itr_imp.
|
return !m_imp || m_imp->m_stack.empty();
|
}
|
|
private:
|
// intrusive_ptr provides the shallow-copy semantics required for single pass iterators
|
// (i.e. InputIterators). The end iterator is indicated by is_end().
|
boost::intrusive_ptr< detail::recur_dir_itr_imp > m_imp;
|
};
|
|
#if !defined(BOOST_FILESYSTEM_NO_DEPRECATED)
|
typedef recursive_directory_iterator wrecursive_directory_iterator;
|
#endif
|
|
// enable recursive directory iterator C++11 range-base for statement use ----------//
|
|
// begin() and end() are only used by a range-based for statement in the context of
|
// auto - thus the top-level const is stripped - so returning const is harmless and
|
// emphasizes begin() is just a pass through.
|
inline const recursive_directory_iterator& begin(const recursive_directory_iterator& iter) BOOST_NOEXCEPT { return iter; }
|
inline recursive_directory_iterator end(const recursive_directory_iterator&) BOOST_NOEXCEPT { return recursive_directory_iterator(); }
|
|
// enable C++14 generic accessors for range const iterators
|
inline const recursive_directory_iterator& cbegin(const recursive_directory_iterator& iter) BOOST_NOEXCEPT { return iter; }
|
inline recursive_directory_iterator cend(const recursive_directory_iterator&) BOOST_NOEXCEPT { return recursive_directory_iterator(); }
|
|
// enable recursive directory iterator BOOST_FOREACH -------------------------------//
|
|
inline recursive_directory_iterator& range_begin(recursive_directory_iterator& iter) BOOST_NOEXCEPT { return iter; }
|
inline recursive_directory_iterator range_begin(const recursive_directory_iterator& iter) BOOST_NOEXCEPT { return iter; }
|
inline recursive_directory_iterator range_end(recursive_directory_iterator&) BOOST_NOEXCEPT { return recursive_directory_iterator(); }
|
inline recursive_directory_iterator range_end(const recursive_directory_iterator&) BOOST_NOEXCEPT { return recursive_directory_iterator(); }
|
|
} // namespace filesystem
|
|
// namespace boost template specializations
|
template<>
|
struct range_mutable_iterator<boost::filesystem::recursive_directory_iterator, void>
|
{
|
typedef boost::filesystem::recursive_directory_iterator type;
|
};
|
template<>
|
struct range_const_iterator<boost::filesystem::recursive_directory_iterator, void>
|
{
|
typedef boost::filesystem::recursive_directory_iterator type;
|
};
|
|
} // namespace boost
|
|
#include <boost/config/abi_suffix.hpp> // pops abi_prefix.hpp pragmas
|
#endif // BOOST_FILESYSTEM3_DIRECTORY_HPP
|
