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| author | Vincent Richard <[email protected]> | 2013-12-29 09:02:12 +0000 |
|---|---|---|
| committer | Vincent Richard <[email protected]> | 2013-12-29 09:02:12 +0000 |
| commit | 152c6bed75598a6ca5efb7914701157270155833 (patch) | |
| tree | 8faced1d75a45c819630323da256248415992ed0 /src/platforms/posix/posixFile.cpp | |
| parent | Merge branch 'master' of https://github.com/kisli/vmime (diff) | |
| download | vmime-152c6bed75598a6ca5efb7914701157270155833.tar.gz vmime-152c6bed75598a6ca5efb7914701157270155833.zip | |
Merged source and header files in directory structure. Got rid of SConstruct build.
Diffstat (limited to 'src/platforms/posix/posixFile.cpp')
| -rw-r--r-- | src/platforms/posix/posixFile.cpp | 628 |
1 files changed, 0 insertions, 628 deletions
diff --git a/src/platforms/posix/posixFile.cpp b/src/platforms/posix/posixFile.cpp deleted file mode 100644 index 9387414d..00000000 --- a/src/platforms/posix/posixFile.cpp +++ /dev/null @@ -1,628 +0,0 @@ -// -// VMime library (http://www.vmime.org) -// Copyright (C) 2002-2013 Vincent Richard <[email protected]> -// -// 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. -// - -#include "vmime/config.hpp" - - -#if VMIME_PLATFORM_IS_POSIX && VMIME_HAVE_FILESYSTEM_FEATURES - - -#include "vmime/platforms/posix/posixFile.hpp" - -#include <unistd.h> -#include <fcntl.h> -#include <errno.h> - -#include <sys/types.h> -#include <sys/stat.h> - -#include <dirent.h> - -#include <stdio.h> -#include <string.h> - -#include "vmime/exception.hpp" - - -namespace vmime { -namespace platforms { -namespace posix { - - -// -// posixFileIterator -// - -posixFileIterator::posixFileIterator(const vmime::utility::file::path& path, const vmime::string& nativePath) - : m_path(path), m_nativePath(nativePath), m_dir(NULL), m_dirEntry(NULL) -{ - if ((m_dir = ::opendir(m_nativePath.c_str())) == NULL) - posixFileSystemFactory::reportError(path, errno); - - getNextElement(); -} - - -posixFileIterator::~posixFileIterator() -{ - if (m_dir != NULL) - { - if (::closedir(m_dir) == -1) - posixFileSystemFactory::reportError(m_path, errno); - } -} - - -bool posixFileIterator::hasMoreElements() const -{ - return (m_dirEntry != NULL); -} - - -shared_ptr <vmime::utility::file> posixFileIterator::nextElement() -{ - shared_ptr <posixFile> file = make_shared <posixFile> - (m_path / vmime::utility::file::path::component(m_dirEntry->d_name)); - - getNextElement(); - - return (file); -} - - -void posixFileIterator::getNextElement() -{ - errno = 0; - - while ((m_dirEntry = ::readdir(m_dir)) != NULL) - { - const char* name = m_dirEntry->d_name; - const size_t len = ::strlen(name); - - if (!(len == 1 && name[0] == '.') && - !(len == 2 && name[0] == '.' && name[1] == '.')) - { - break; - } - } - - if (errno) - posixFileSystemFactory::reportError(m_path, errno); -} - - - -// -// posixFileWriterOutputStream -// - -posixFileWriterOutputStream::posixFileWriterOutputStream(const vmime::utility::file::path& path, const int fd) - : m_path(path), m_fd(fd) -{ -} - - -posixFileWriterOutputStream::~posixFileWriterOutputStream() -{ - ::close(m_fd); -} - - -void posixFileWriterOutputStream::writeImpl - (const byte_t* const data, const size_t count) -{ - const byte_t* array = data; - size_t size = count; - - while (1) - { - ssize_t ret = ::write(m_fd, array, size); - - if (ret == -1) - { - if (errno == EINTR) - continue; - - posixFileSystemFactory::reportError(m_path, errno); - break; - } - else if (size_t(ret) < size) - { - array += ret; - size -= ret; - } - - break; - } -} - - -void posixFileWriterOutputStream::flush() -{ - if (::fsync(m_fd) == -1) - posixFileSystemFactory::reportError(m_path, errno); -} - - - -// -// posixFileReaderInputStream -// - -posixFileReaderInputStream::posixFileReaderInputStream(const vmime::utility::file::path& path, const int fd) - : m_path(path), m_fd(fd), m_eof(false) -{ -} - - -posixFileReaderInputStream::~posixFileReaderInputStream() -{ - if (::close(m_fd) == -1) - posixFileSystemFactory::reportError(m_path, errno); -} - - -bool posixFileReaderInputStream::eof() const -{ - return (m_eof); -} - - -void posixFileReaderInputStream::reset() -{ - if (::lseek(m_fd, 0, SEEK_SET) == off_t(-1)) - posixFileSystemFactory::reportError(m_path, errno); - - m_eof = false; -} - - -size_t posixFileReaderInputStream::read - (byte_t* const data, const size_t count) -{ - ssize_t c = 0; - - if ((c = ::read(m_fd, data, count)) == -1) - posixFileSystemFactory::reportError(m_path, errno); - - if (c == 0 && count != 0) - m_eof = true; - - return static_cast <size_t>(c); -} - - -size_t posixFileReaderInputStream::skip(const size_t count) -{ - const off_t curPos = ::lseek(m_fd, 0, SEEK_CUR); - - if (curPos == off_t(-1)) - posixFileSystemFactory::reportError(m_path, errno); - - const off_t newPos = ::lseek(m_fd, count, SEEK_CUR); - - if (newPos == off_t(-1)) - posixFileSystemFactory::reportError(m_path, errno); - - return static_cast <size_t>(newPos - curPos); -} - - -size_t posixFileReaderInputStream::getPosition() const -{ - const off_t curPos = ::lseek(m_fd, 0, SEEK_CUR); - - if (curPos == off_t(-1)) - posixFileSystemFactory::reportError(m_path, errno); - - return static_cast <size_t>(curPos); -} - - -void posixFileReaderInputStream::seek(const size_t pos) -{ - const off_t newPos = ::lseek(m_fd, pos, SEEK_SET); - - if (newPos == off_t(-1)) - posixFileSystemFactory::reportError(m_path, errno); -} - - - -// -// posixFileWriter -// - -posixFileWriter::posixFileWriter(const vmime::utility::file::path& path, const vmime::string& nativePath) - : m_path(path), m_nativePath(nativePath) -{ -} - - -shared_ptr <vmime::utility::outputStream> posixFileWriter::getOutputStream() -{ - int fd = 0; - - if ((fd = ::open(m_nativePath.c_str(), O_WRONLY, 0660)) == -1) - posixFileSystemFactory::reportError(m_path, errno); - - return make_shared <posixFileWriterOutputStream>(m_path, fd); -} - - - -// -// posixFileReader -// - -posixFileReader::posixFileReader(const vmime::utility::file::path& path, const vmime::string& nativePath) - : m_path(path), m_nativePath(nativePath) -{ -} - - -shared_ptr <vmime::utility::inputStream> posixFileReader::getInputStream() -{ - int fd = 0; - - if ((fd = ::open(m_nativePath.c_str(), O_RDONLY, 0640)) == -1) - posixFileSystemFactory::reportError(m_path, errno); - - return make_shared <posixFileReaderInputStream>(m_path, fd); -} - - - -// -// posixFile -// - -posixFile::posixFile(const vmime::utility::file::path& path) - : m_path(path), m_nativePath(posixFileSystemFactory::pathToStringImpl(path)) -{ -} - - -void posixFile::createFile() -{ - int fd = 0; - - if ((fd = ::open(m_nativePath.c_str(), O_CREAT | O_EXCL | O_WRONLY, 0660)) == -1) - posixFileSystemFactory::reportError(m_path, errno); - - if (::fsync(fd) == -1) - posixFileSystemFactory::reportError(m_path, errno); - - if (::close(fd) == -1) - posixFileSystemFactory::reportError(m_path, errno); -} - - -void posixFile::createDirectory(const bool createAll) -{ - createDirectoryImpl(m_path, m_path, createAll); -} - - -bool posixFile::isFile() const -{ - struct stat buf; - - if (::stat(m_nativePath.c_str(), &buf) == -1) - { - if (errno == ENOENT) - return false; - - posixFileSystemFactory::reportError(m_path, errno); - return false; - } - - return S_ISREG(buf.st_mode); -} - - -bool posixFile::isDirectory() const -{ - struct stat buf; - - if (::stat(m_nativePath.c_str(), &buf) == -1) - { - if (errno == ENOENT) - return false; - - posixFileSystemFactory::reportError(m_path, errno); - return false; - } - - return S_ISDIR(buf.st_mode); -} - - -bool posixFile::canRead() const -{ - struct stat buf; - - if (::stat(m_nativePath.c_str(), &buf) == -1) - { - if (errno == ENOENT) - return false; - - posixFileSystemFactory::reportError(m_path, errno); - return false; - } - - return S_ISREG(buf.st_mode) && - ::access(m_nativePath.c_str(), R_OK | F_OK) == 0; -} - - -bool posixFile::canWrite() const -{ - struct stat buf; - - if (::stat(m_nativePath.c_str(), &buf) == -1) - { - if (errno == ENOENT) - return false; - - posixFileSystemFactory::reportError(m_path, errno); - return false; - } - - return S_ISREG(buf.st_mode) && - ::access(m_nativePath.c_str(), W_OK | F_OK) == 0; -} - - -posixFile::length_type posixFile::getLength() -{ - struct stat buf; - - if (::stat(m_nativePath.c_str(), &buf) == -1) - posixFileSystemFactory::reportError(m_path, errno); - - return static_cast <length_type>(buf.st_size); -} - - -const posixFile::path& posixFile::getFullPath() const -{ - return (m_path); -} - - -bool posixFile::exists() const -{ - struct stat buf; - return (::stat(m_nativePath.c_str(), &buf) == 0); -} - - -shared_ptr <vmime::utility::file> posixFile::getParent() const -{ - if (m_path.isEmpty()) - return null; - else - return make_shared <posixFile>(m_path.getParent()); -} - - -void posixFile::rename(const path& newName) -{ - const vmime::string newNativePath = posixFileSystemFactory::pathToStringImpl(newName); - - posixFile dest(newName); - - if (isDirectory()) - dest.createDirectory(); - else - dest.createFile(); - - if (::rename(m_nativePath.c_str(), newNativePath.c_str()) == -1) - posixFileSystemFactory::reportError(m_path, errno); - - m_path = newName; - m_nativePath = newNativePath; -} - - -void posixFile::remove() -{ - struct stat buf; - - if (::stat(m_nativePath.c_str(), &buf) == -1) - posixFileSystemFactory::reportError(m_path, errno); - - if (S_ISDIR(buf.st_mode)) - { - if (::rmdir(m_nativePath.c_str()) == -1) - posixFileSystemFactory::reportError(m_path, errno); - } - else if (S_ISREG(buf.st_mode)) - { - if (::unlink(m_nativePath.c_str()) == -1) - posixFileSystemFactory::reportError(m_path, errno); - } -} - - -shared_ptr <vmime::utility::fileWriter> posixFile::getFileWriter() -{ - return make_shared <posixFileWriter>(m_path, m_nativePath); -} - - -shared_ptr <vmime::utility::fileReader> posixFile::getFileReader() -{ - return make_shared <posixFileReader>(m_path, m_nativePath); -} - - -shared_ptr <vmime::utility::fileIterator> posixFile::getFiles() const -{ - if (!isDirectory()) - throw vmime::exceptions::not_a_directory(m_path); - - return make_shared <posixFileIterator>(m_path, m_nativePath); -} - - -void posixFile::createDirectoryImpl(const vmime::utility::file::path& fullPath, - const vmime::utility::file::path& path, const bool recursive) -{ - const vmime::string nativePath = posixFileSystemFactory::pathToStringImpl(path); - struct stat buf; - - if (::stat(nativePath.c_str(), &buf) == 0 && S_ISDIR(buf.st_mode)) - return; - - if (!path.isEmpty() && recursive) - createDirectoryImpl(fullPath, path.getParent(), true); - - if (::mkdir(nativePath.c_str(), 0750) == -1) - posixFileSystemFactory::reportError(fullPath, errno); -} - - - -// -// posixFileSystemFactory -// - -shared_ptr <vmime::utility::file> posixFileSystemFactory::create(const vmime::utility::file::path& path) const -{ - return make_shared <posixFile>(path); -} - - -const vmime::utility::file::path posixFileSystemFactory::stringToPath(const vmime::string& str) const -{ - return (stringToPathImpl(str)); -} - - -const vmime::string posixFileSystemFactory::pathToString(const vmime::utility::file::path& path) const -{ - return (pathToStringImpl(path)); -} - - -const vmime::utility::file::path posixFileSystemFactory::stringToPathImpl(const vmime::string& str) -{ - vmime::size_t offset = 0; - vmime::size_t prev = 0; - - vmime::utility::file::path path; - - while ((offset = str.find_first_of("/", offset)) != vmime::string::npos) - { - if (offset != prev) - path.appendComponent(vmime::string(str.begin() + prev, str.begin() + offset)); - - prev = offset + 1; - offset++; - } - - if (prev < str.length()) - path.appendComponent(vmime::string(str.begin() + prev, str.end())); - - return (path); -} - - -const vmime::string posixFileSystemFactory::pathToStringImpl(const vmime::utility::file::path& path) -{ - vmime::string native = "/"; - - for (int i = 0 ; i < path.getSize() ; ++i) - { - if (i > 0) - native += "/"; - - native += path[i].getBuffer(); - } - - return (native); -} - - -bool posixFileSystemFactory::isValidPathComponent(const vmime::utility::file::path::component& comp) const -{ - return (comp.getBuffer().find_first_of("/*") == vmime::string::npos); -} - - -bool posixFileSystemFactory::isValidPath(const vmime::utility::file::path& path) const -{ - for (int i = 0 ; i < path.getSize() ; ++i) - { - if (!isValidPathComponent(path[i])) - return false; - } - - return true; -} - - -void posixFileSystemFactory::reportError(const vmime::utility::path& path, const int err) -{ - vmime::string desc; - - switch (err) - { - case EEXIST: desc = "EEXIST: file already exists."; break; - case EISDIR: desc = "EISDIR: path refers to a directory."; break; - case EACCES: desc = "EACCES: permission denied"; break; - case ENAMETOOLONG: desc = "ENAMETOOLONG: path too long."; break; - case ENOENT: desc = "ENOENT: a directory in the path does not exist."; break; - case ENOTDIR: desc = "ENOTDIR: path is not a directory."; break; - case EROFS: desc = "EROFS: read-only filesystem."; break; - case ELOOP: desc = "ELOOP: too many symbolic links."; break; - case ENOSPC: desc = "ENOSPC: no space left on device."; break; - case ENOMEM: desc = "ENOMEM: insufficient kernel memory."; break; - case EMFILE: desc = "ENFILE: limit on number of files open by the process has been reached."; break; - case ENFILE: desc = "ENFILE: limit on number of files open on the system has been reached."; break; -#ifndef AIX - case ENOTEMPTY: desc = "ENOTEMPTY: directory is not empty."; break; -#endif - - default: - - std::ostringstream oss; - oss << ::strerror(err) << "."; - - desc = oss.str(); - break; - } - - throw vmime::exceptions::filesystem_exception(desc, path); -} - - - -} // posix -} // platforms -} // vmime - - -#endif // VMIME_PLATFORM_IS_POSIX && VMIME_HAVE_FILESYSTEM_FEATURES |
