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path.h
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path.h
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/**
* @file
* This file is part of UTILS
*
* @author Sebastian Rettenberger <[email protected]>
*
* @copyright Copyright (c) 2014-2015, Technische Universitaet Muenchen.
* 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.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 UTILS_PATH_H
#define UTILS_PATH_H
#include <string>
#include <sys/stat.h>
#include "utils/stringutils.h"
namespace utils
{
/**
* Manipulates file/directory names and paths
*/
class Path
{
private:
std::string m_path;
public:
Path()
{
}
Path(const char* path)
: m_path(path)
{
init();
}
Path(const std::string &path)
: m_path(path)
{
init();
}
/**
* @return The string representing the current path
*/
operator std::string() const
{
return m_path;
}
/**
* @return The basename of the path
*/
std::string basename() const
{
const size_t lastSlash = m_path.find_last_of(separators());
if (lastSlash == std::string::npos)
return m_path;
return m_path.substr(lastSlash+1);
}
/**
* @return The directory name of the path
*/
std::string dirname() const
{
const size_t lastSlash = m_path.find_last_of(separators());
if (lastSlash == std::string::npos)
return "";
return m_path.substr(0, lastSlash);
}
/**
* @return The directory of the path
*/
Path dir() const
{
return Path(dirname());
}
/**
* @return True of the path is a file/directory
*/
bool exists() const
{
struct stat buffer;
return (stat(m_path.c_str(), &buffer) == 0);
}
/**
* Joins two paths
*
* @param other The path that should be appended (has to be relative)
* @return A path where other is appended to the current path
*/
Path operator+(const Path& other) const
{
if (m_path.empty())
return other;
if (other.m_path.empty())
return *this;
return Path(m_path + SEPARATOR + other.m_path);
}
public:
static const char* separator()
{
static const std::string sep(1, SEPARATOR);
return sep.c_str();
}
/**
* @return A string containing all possible separators
*/
static const char* separators()
{
#if __unix__
return "/";
#else // __unix__
return "\\/";
#endif // __unix__
}
private:
void init()
{
// Remove trailing separator
if (StringUtils::endsWith(m_path, separator()))
StringUtils::replaceLast(m_path, separator(), "");
}
public:
#ifdef __unix__
static const char SEPARATOR = '/';
#else // __unix__
static const char SEPARATOR = '\\';
#endif // __unix__
};
}
#endif // UTILS_PATH_H