vmime/vmime/platforms/posix/posixFile.hpp

215 lines
4.8 KiB
C++

//
// VMime library (http://www.vmime.org)
// Copyright (C) 2002-2009 Vincent Richard <vincent@vincent-richard.net>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 3 of
// the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// Linking this library statically or dynamically with other modules is making
// a combined work based on this library. Thus, the terms and conditions of
// the GNU General Public License cover the whole combination.
//
#ifndef VMIME_PLATFORMS_POSIX_FILE_HPP_INCLUDED
#define VMIME_PLATFORMS_POSIX_FILE_HPP_INCLUDED
#include "vmime/utility/file.hpp"
#include "vmime/utility/seekableInputStream.hpp"
#if VMIME_HAVE_FILESYSTEM_FEATURES
#include <dirent.h>
namespace vmime {
namespace platforms {
namespace posix {
class posixFileWriterOutputStream : public vmime::utility::outputStream
{
public:
posixFileWriterOutputStream(const vmime::utility::file::path& path, const int fd);
~posixFileWriterOutputStream();
void write(const value_type* const data, const size_type count);
void flush();
private:
const vmime::utility::file::path m_path;
const int m_fd;
};
class posixFileReaderInputStream : public vmime::utility::seekableInputStream
{
public:
posixFileReaderInputStream(const vmime::utility::file::path& path, const int fd);
~posixFileReaderInputStream();
bool eof() const;
void reset();
size_type read(value_type* const data, const size_type count);
size_type skip(const size_type count);
size_type getPosition() const;
void seek(const size_type pos);
private:
const vmime::utility::file::path m_path;
const int m_fd;
bool m_eof;
};
class posixFileWriter : public vmime::utility::fileWriter
{
public:
posixFileWriter(const vmime::utility::file::path& path, const vmime::string& nativePath);
ref <vmime::utility::outputStream> getOutputStream();
private:
vmime::utility::file::path m_path;
vmime::string m_nativePath;
};
class posixFileReader : public vmime::utility::fileReader
{
public:
posixFileReader(const vmime::utility::file::path& path, const vmime::string& nativePath);
ref <vmime::utility::inputStream> getInputStream();
private:
vmime::utility::file::path m_path;
vmime::string m_nativePath;
};
class posixFileIterator : public vmime::utility::fileIterator
{
public:
posixFileIterator(const vmime::utility::file::path& path, const vmime::string& nativePath);
~posixFileIterator();
bool hasMoreElements() const;
ref <vmime::utility::file> nextElement();
private:
void getNextElement();
vmime::utility::file::path m_path;
vmime::string m_nativePath;
DIR* m_dir;
struct dirent* m_dirEntry;
};
class posixFile : public vmime::utility::file
{
public:
posixFile(const vmime::utility::file::path& path);
void createFile();
void createDirectory(const bool createAll = false);
bool isFile() const;
bool isDirectory() const;
bool canRead() const;
bool canWrite() const;
length_type getLength();
const path& getFullPath() const;
bool exists() const;
ref <vmime::utility::file> getParent() const;
void rename(const path& newName);
void remove();
ref <vmime::utility::fileWriter> getFileWriter();
ref <vmime::utility::fileReader> getFileReader();
ref <vmime::utility::fileIterator> getFiles() const;
private:
static void createDirectoryImpl(const vmime::utility::file::path& fullPath, const vmime::utility::file::path& path, const bool recursive = false);
private:
vmime::utility::file::path m_path;
vmime::string m_nativePath;
};
class posixFileSystemFactory : public vmime::utility::fileSystemFactory
{
public:
ref <vmime::utility::file> create(const vmime::utility::file::path& path) const;
const vmime::utility::file::path stringToPath(const vmime::string& str) const;
const vmime::string pathToString(const vmime::utility::file::path& path) const;
static const vmime::utility::file::path stringToPathImpl(const vmime::string& str);
static const vmime::string pathToStringImpl(const vmime::utility::file::path& path);
bool isValidPathComponent(const vmime::utility::file::path::component& comp) const;
bool isValidPath(const vmime::utility::file::path& path) const;
static void reportError(const vmime::utility::path& path, const int err);
};
} // posix
} // platforms
} // vmime
#endif // VMIME_HAVE_FILESYSTEM_FEATURES
#endif // VMIME_PLATFORMS_POSIX_FILE_HPP_INCLUDED