//
// Automated Testing Framework (atf)
//
// Copyright (c) 2007, 2008, 2009 The NetBSD Foundation, Inc.
// 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 NETBSD FOUNDATION, INC. AND
// CONTRIBUTORS ``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 FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
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// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
#if !defined(_ATF_CXX_FS_HPP_)
#define _ATF_CXX_FS_HPP_
extern "C" {
#include <sys/types.h>
}
#include <map>
#include <memory>
#include <ostream>
#include <set>
#include <stdexcept>
#include <string>
extern "C" {
#include "../../atf-c/detail/fs.h"
}
namespace atf {
namespace io {
class systembuf;
} // namespace io
namespace fs {
// ------------------------------------------------------------------------
// The "path" class.
// ------------------------------------------------------------------------
//!
//! \brief A class to represent a path to a file.
//!
//! The path class represents the route to a file or directory in the
//! file system. All file manipulation operations use this class to
//! represent their arguments as it takes care of normalizing user-provided
//! strings and ensures they are valid.
//!
//! It is important to note that the file pointed to by a path need not
//! exist.
//!
class path {
//!
//! \brief Internal representation of a path.
//!
atf_fs_path_t m_path;
public:
//! \brief Constructs a new path from a user-provided string.
//!
//! This constructor takes a string, either provided by the program's
//! code or by the user and constructs a new path object. The string
//! is normalized to not contain multiple delimiters together and to
//! remove any trailing one.
//!
//! The input string cannot be empty.
//!
explicit path(const std::string&);
//!
//! \brief Copy constructor.
//!
path(const path&);
//!
//! \brief Copy constructor.
//!
path(const atf_fs_path_t *);
//!
//! \brief Destructor for the path class.
//!
~path(void);
//!
//! \brief Returns a pointer to a C-style string representing this path.
//!
const char* c_str(void) const;
//!
//! \brief Returns a pointer to the implementation data.
//!
const atf_fs_path_t* c_path(void) const;
//!
//! \brief Returns a string representing this path.
//! XXX Really needed?
//!
std::string str(void) const;
//!
//! \brief Returns the branch path of this path.
//!
//! Calculates and returns the branch path of this path. In other
//! words, it returns what the standard ::dirname function would return.
//!
path branch_path(void) const;
//!
//! \brief Returns the leaf name of this path.
//!
//! Calculates and returns the leaf name of this path. In other words,
//! it returns what the standard ::basename function would return.
//!
std::string leaf_name(void) const;
//!
//! \brief Checks whether this path is absolute or not.
//!
//! Returns a boolean indicating if this is an absolute path or not;
//! i.e. if it starts with a slash.
//!
bool is_absolute(void) const;
//!
//! \brief Checks whether this path points to the root directory or not.
//!
//! Returns a boolean indicating if this is path points to the root
//! directory or not. The checks made by this are extremely simple (so
//! the results cannot always be trusted) but they are enough for our
//! modest sanity-checking needs. I.e. "/../" could return false.
//!
bool is_root(void) const;
//!
//! \brief Converts the path to be absolute.
//!
//! \pre The path was not absolute.
//!
path to_absolute(void) const;
//!
//! \brief Assignment operator.
//!
path& operator=(const path&);
//!
//! \brief Checks if two paths are equal.
//!
bool operator==(const path&) const;
//!
//! \brief Checks if two paths are different.
//!
bool operator!=(const path&) const;
//!
//! \brief Concatenates a path with a string.
//!
//! Constructs a new path object that is the concatenation of the
//! left-hand path with the right-hand string. The string is normalized
//! before the concatenation, and a path delimiter is introduced between
//! the two components if needed.
//!
path operator/(const std::string&) const;
//!
//! \brief Concatenates a path with another path.
//!
//! Constructs a new path object that is the concatenation of the
//! left-hand path with the right-hand one. A path delimiter is
//! introduced between the two components if needed.
//!
path operator/(const path&) const;
//!
//! \brief Checks if a path has to be sorted before another one
//! lexicographically.
//!
bool operator<(const path&) const;
};
// ------------------------------------------------------------------------
// The "file_info" class.
// ------------------------------------------------------------------------
class directory;
//!
//! \brief A class that contains information about a file.
//!
//! The file_info class holds information about an specific file that
//! exists in the file system.
//!
class file_info {
atf_fs_stat_t m_stat;
public:
//!
//! \brief The file's type.
//!
static const int blk_type;
static const int chr_type;
static const int dir_type;
static const int fifo_type;
static const int lnk_type;
static const int reg_type;
static const int sock_type;
static const int wht_type;
//!
//! \brief Constructs a new file_info based on a given file.
//!
//! This constructor creates a new file_info object and fills it with
//! the data returned by ::stat when run on the given file, which must
//! exist.
//!
explicit file_info(const path&);
//!
//! \brief The copy constructor.
//!
file_info(const file_info&);
//!
//! \brief The destructor.
//!
~file_info(void);
//!
//! \brief Returns the device containing the file.
//!
dev_t get_device(void) const;
//!
//! \brief Returns the file's inode.
//!
ino_t get_inode(void) const;
//!
//! \brief Returns the file's permissions.
//!
mode_t get_mode(void) const;
//!
//! \brief Returns the file's size.
//!
off_t get_size(void) const;
//!
//! \brief Returns the file's type.
//!
int get_type(void) const;
//!
//! \brief Returns whether the file is readable by its owner or not.
//!
bool is_owner_readable(void) const;
//!
//! \brief Returns whether the file is writable by its owner or not.
//!
bool is_owner_writable(void) const;
//!
//! \brief Returns whether the file is executable by its owner or not.
//!
bool is_owner_executable(void) const;
//!
//! \brief Returns whether the file is readable by the users belonging
//! to its group or not.
//!
bool is_group_readable(void) const;
//!
//! \brief Returns whether the file is writable the users belonging to
//! its group or not.
//!
bool is_group_writable(void) const;
//!
//! \brief Returns whether the file is executable by the users
//! belonging to its group or not.
//!
bool is_group_executable(void) const;
//!
//! \brief Returns whether the file is readable by people different
//! than the owner and those belonging to the group or not.
//!
bool is_other_readable(void) const;
//!
//! \brief Returns whether the file is write by people different
//! than the owner and those belonging to the group or not.
//!
bool is_other_writable(void) const;
//!
//! \brief Returns whether the file is executable by people different
//! than the owner and those belonging to the group or not.
//!
bool is_other_executable(void) const;
};
// ------------------------------------------------------------------------
// The "directory" class.
// ------------------------------------------------------------------------
//!
//! \brief A class representing a file system directory.
//!
//! The directory class represents a group of files in the file system and
//! corresponds to exactly one directory.
//!
class directory : public std::map< std::string, file_info > {
public:
//!
//! \brief Constructs a new directory.
//!
//! Constructs a new directory object representing the given path.
//! The directory must exist at creation time as the contents of the
//! class are gathered from it.
//!
directory(const path&);
//!
//! \brief Returns the file names of the files in the directory.
//!
//! Returns the leaf names of all files contained in the directory.
//! I.e. the keys of the directory map.
//!
std::set< std::string > names(void) const;
};
// ------------------------------------------------------------------------
// Free functions.
// ------------------------------------------------------------------------
//!
//! \brief Checks if the given path exists.
//!
bool exists(const path&);
//!
//! \brief Looks for the given program in the PATH.
//!
//! Given a program name (without slashes) looks for it in the path and
//! returns its full path name if found, otherwise an empty path.
//!
bool have_prog_in_path(const std::string&);
//!
//! \brief Checks if the given path exists, is accessible and is executable.
//!
bool is_executable(const path&);
//!
//! \brief Removes a given file.
//!
void remove(const path&);
//!
//! \brief Removes an empty directory.
//!
void rmdir(const path&);
} // namespace fs
} // namespace atf
#endif // !defined(_ATF_CXX_FS_HPP_)