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/******************************************************************************
*
* Copyright (C) 1997-2021 by Dimitri van Heesch.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation under the terms of the GNU General Public License is hereby
* granted. No representations are made about the suitability of this software
* for any purpose. It is provided "as is" without express or implied warranty.
* See the GNU General Public License for more details.
*
* Documents produced by Doxygen are derivative works derived from the
* input used in their production; they are not affected by this license.
*
*/
#define NOMINMAX
#define WIN32_LEAN_AND_MEAN // optional
#include "filesystem.hpp"
#include "fileinfo.h"
namespace fs = ghc::filesystem;
size_t FileInfo::size() const
{
std::error_code ec;
size_t result = static_cast<size_t>(fs::file_size(fs::path(m_name),ec));
return ec ? 0 : result;
}
bool FileInfo::exists() const
{
std::error_code ec;
bool result = fs::exists(fs::path(m_name),ec);
return !ec && result;
}
bool FileInfo::isWritable() const
{
std::error_code ec;
fs::file_status status = fs::status(m_name,ec);
return !ec && (status.permissions() & fs::perms::owner_write)!=fs::perms::none;
}
bool FileInfo::isReadable() const
{
std::error_code ec;
fs::file_status status = fs::status(m_name,ec);
return !ec && (status.permissions() & fs::perms::owner_read)!=fs::perms::none;
}
bool FileInfo::isExecutable() const
{
std::error_code ec;
fs::file_status status = fs::status(m_name,ec);
return !ec && (status.permissions() & fs::perms::owner_exec)!=fs::perms::none;
}
bool FileInfo::isRelative() const
{
return fs::path(m_name).is_relative();
}
bool FileInfo::isFile() const
{
std::error_code ec;
fs::file_status status = fs::status(m_name,ec);
return !ec && fs::is_regular_file(status);
}
bool FileInfo::isDir() const
{
std::error_code ec;
fs::file_status status = fs::status(m_name,ec);
return !ec && fs::is_directory(status);
}
bool FileInfo::isSymLink() const
{
std::error_code ec;
fs::file_status status = fs::status(m_name,ec);
return !ec && fs::is_symlink(status);
}
std::string FileInfo::readLink() const
{
std::error_code ec;
fs::path targetPath = fs::read_symlink(fs::path(m_name));
return !ec ? targetPath.string() : std::string();
}
std::string FileInfo::filePath() const
{
return m_name;
}
void FileInfo::correctPath(std::string &s)
{
std::replace( s.begin(), s.end(), '\\', '/' );
}
std::string FileInfo::absFilePath() const
{
std::string result;
std::error_code ec;
fs::path path(m_name);
if (!path.is_relative())
{
result = path.lexically_normal().string();
}
else
{
result = (fs::current_path(ec) / m_name).lexically_normal().string();
}
correctPath(result);
return result;
}
std::string FileInfo::fileName() const
{
return fs::path(m_name).filename().string();
}
std::string FileInfo::baseName() const
{
std::string s = fileName();
size_t pos = s.find('.');
return pos!=std::string::npos ? s.substr(0,pos) : s;
}
std::string FileInfo::extension(bool complete) const
{
std::string fn = fileName();
size_t pos = complete ? fn.find('.') : fn.rfind('.');
return pos!=std::string::npos ? fn.substr(pos+1) : std::string();
}
std::string FileInfo::dirPath(bool absPath) const
{
std::string result;
if (absPath)
{
result = absFilePath();
}
else
{
result = m_name;
correctPath(result);
}
size_t pos = result.rfind('/');
if (pos==std::string::npos)
{
return ".";
}
else if (pos==0)
{
return "/";
}
else
{
return result.substr(0,pos);
}
}
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