C++ File::path方法代码示例

/**
* Load a library
* @param filepath :: A Poco::File The full path to a library as a string
* @param cacheKey :: An identifier for the cache if loading is successful
* @return 1 if the file loaded successfully, 0 otherwise
*/
int LibraryManagerImpl::openLibrary(const Poco::File &filepath,
                                    const std::string &cacheKey) {
  // Try to open the library. The wrapper will unload the library when it
  // is deleted
  LibraryWrapper dlwrap;
  if (dlwrap.openLibrary(filepath.path())) {
    // Successfully opened, so add to map
    if (g_log.is(Poco::Message::PRIO_DEBUG)) {
      g_log.debug("Opened library: " + filepath.path() + ".\n");
    }
    m_openedLibs.emplace(cacheKey, std::move(dlwrap));
    return 1;
  } else
    return 0;
}

    int CStatsUtil::DoExportGameScripts()
    {
        //Validate output + input paths
        Poco::Path inpath(m_inputPath);
        Poco::Path outpath;
        
        if( m_outputPath.empty() )
            outpath = inpath.absolute().makeParent().append(DefExportScriptsDir);
        else
            outpath = Poco::Path(m_outputPath).makeAbsolute();

        Poco::File fTestOut = outpath;
        if( ! fTestOut.exists() )
        {
            cout << "Created output directory \"" << fTestOut.path() <<"\"!\n";
            fTestOut.createDirectory();
        }
        else if( ! fTestOut.isDirectory() )
            throw runtime_error("CStatsUtil::DoExportGameScripts(): Output path is not a directory!");

        //Setup the script handler
        GameScripts scripts( inpath.absolute().toString() );

        //Convert to XML
        scripts.ExportScriptsToXML( outpath.toString() );

        return 0;
    }

    int CStatsUtil::DoExportAll()
    {
        Poco::Path inpath(m_inputPath);
        Poco::Path outpath;
        
        if( m_outputPath.empty() )
        {
            outpath = inpath.absolute().makeParent().append(DefExportAllDir);
        }
        else
        {
            outpath = Poco::Path(m_outputPath).makeAbsolute();
        }

        GameStats gstats( m_inputPath, m_langconf );
        gstats.Load();

        //Test output path
        Poco::File fTestOut = outpath;
        if( ! fTestOut.exists() )
        {
            cout << "Created output directory \"" << fTestOut.path() <<"\"!\n";
            fTestOut.createDirectory();
        }
        gstats.ExportAll(outpath.toString());
        return 0;
    }

/**
 * Opens suitable DLLs on a given path.
 *  @param libpath A Poco::File object pointing to a directory where the
 * libraries are.
 *  @param loadingBehaviour Control how libraries are searched for
 *  @param excludes If not empty then each string is considered as a substring
 * to search within each library to be opened. If the substring is found then
 * the library is not opened.
 *  @return The number of libraries opened.
 */
int LibraryManagerImpl::openLibraries(
    const Poco::File &libpath,
    LibraryManagerImpl::LoadLibraries loadingBehaviour,
    const std::vector<std::string> &excludes) {
  int libCount(0);
  if (libpath.exists() && libpath.isDirectory()) {
    // Iterate over the available files
    Poco::DirectoryIterator end_itr;
    for (Poco::DirectoryIterator itr(libpath); itr != end_itr; ++itr) {
      const Poco::File &item = *itr;
      if (item.isFile()) {
        if (shouldBeLoaded(itr.path().getFileName(), excludes))
          libCount += openLibrary(itr.path(), itr.path().getFileName());
        else
          continue;
      } else if (loadingBehaviour == LoadLibraries::Recursive) {
        // it must be a directory
        libCount += openLibraries(item, LoadLibraries::Recursive, excludes);
      }
    }
  } else {
    g_log.error("In OpenAllLibraries: " + libpath.path() +
                " must be a directory.");
  }
  return libCount;
}

void Logger::enableFileLogging(const std::string& fileName, int level)
{
    Mutex::ScopedLock lock(loggerMutex);

    Logger::setLevel(level);

    // close the current file log and re-create it.
    disableFileLogging();

    if (!simpleFileChannel)
    {
        std::string realName;

        // figure out what file name to use
        if (fileName.length() == 0) {
            // none given, use one from config.
            realName = Config::getString(Config::LOGGER_LOG_FILE_PATH);
        } else {
            realName = fileName;
        }

        if (realName.length() == 0) {
            // default log name.
            realName = joinPath(getTempDir(), "roadrunner.log");
        } else {
            // expand any env vars and make absolute path.
            realName = Poco::Path::expand(realName);
            Poco::Path path(realName);
            realName = path.makeAbsolute().toString();
        }

        // check if the path is writable
        Poco::Path p(realName);
        Poco::File fdir = p.parent();
        if(!fdir.exists())
        {
            realName = joinPath(getTempDir(), "roadrunner.log");
            Log(Logger::LOG_ERROR) << "The specified log file directory path, "
                    << fdir.path() << " does not exist, using default log file path: "
                    << realName;
        }

        SplitterChannel *splitter = getSplitterChannel();

        simpleFileChannel = new SimpleFileChannel();
        simpleFileChannel->setProperty("path", realName);
        simpleFileChannel->setProperty("rotation", "never");

        logFileName = simpleFileChannel->getProperty("path");

        splitter->addChannel(simpleFileChannel);
        simpleFileChannel->release();
    }
}

SharedMemoryImpl::SharedMemoryImpl(const Poco::File& file, SharedMemory::AccessMode mode, const void* addrHint):
    _size(0),
    _fd(-1),
    _address(0),
    _access(mode),
    _name(file.path()),
    _fileMapped(true),
    _server(false)
{
    if (!file.exists() || !file.isFile())
        throw FileNotFoundException(file.path());

    _size = file.getSize();
    int flag = O_RDONLY;
    if (mode == SharedMemory::AM_WRITE)
        flag = O_RDWR;
    _fd = ::open(_name.c_str(), flag);
    if (-1 == _fd)
        throw OpenFileException("Cannot open memory mapped file", _name);

    map(addrHint);
}

SharedMemoryImpl::SharedMemoryImpl(const Poco::File& file, SharedMemory::AccessMode mode, const void*):
	_name(file.path()),
	_memHandle(INVALID_HANDLE_VALUE),
	_fileHandle(INVALID_HANDLE_VALUE),
	_size(0),
	_mode(PAGE_READONLY),
	_address(0)
{
	if (!file.exists() || !file.isFile())
		throw FileNotFoundException(_name);

	_size = static_cast<DWORD>(file.getSize());

	DWORD shareMode = FILE_SHARE_READ | FILE_SHARE_WRITE;
	DWORD fileMode  = GENERIC_READ;

	if (mode == SharedMemory::AM_WRITE)
	{
		_mode = PAGE_READWRITE;
		fileMode |= GENERIC_WRITE;
	}

#if defined (POCO_WIN32_UTF8)
	std::wstring utf16name;
	UnicodeConverter::toUTF16(_name, utf16name);
	_fileHandle = CreateFileW(utf16name.c_str(), fileMode, shareMode, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
#else
	_fileHandle = CreateFileA(_name.c_str(), fileMode, shareMode, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
#endif

	if (_fileHandle == INVALID_HANDLE_VALUE)
		throw OpenFileException("Cannot open memory mapped file", _name);

	_memHandle = CreateFileMapping(_fileHandle, NULL, _mode, 0, 0, NULL);
	if (!_memHandle)
	{
		CloseHandle(_fileHandle);
		_fileHandle = INVALID_HANDLE_VALUE;
		throw SystemException("Cannot map file into shared memory", _name);
	}
	map();
}

void FileChecker::updateImpl(const Poco::File & file)
{
	map[Poco::Path(file.path()).getFileName()] = file.getSize();
}

    /**
     * Module initialization function. The initialization arguments string should
     * provide the path of a module configuration file that defines what files 
     * are interesting. If the empty string is passed to this function, the module
     * assumes a default config file is present in the output directory.
     *
     * @param args Path of the configuration file that defines what files are 
     * interesting, may be set to the empty string.
     * @return TskModule::OK on success, TskModule::FAIL otherwise. 
     */
    TSK_MODULE_EXPORT TskModule::Status initialize(const char* arguments)
    {
        TskModule::Status status = TskModule::OK;

        const std::string MSG_PREFIX = "InterestingFilesModule::initialize : ";
        try
        {
            // Make sure the file sets are cleared in case initialize() is called more than once.
            fileSets.clear();

            configFilePath.assign(arguments);
            if (configFilePath.empty())
            {
                // Use the default config file path.
                Poco::Path configurationFilePath(Poco::Path::forDirectory(GetSystemProperty(TskSystemProperties::MODULE_CONFIG_DIR)));
                configurationFilePath.pushDirectory(MODULE_NAME);
                configurationFilePath.setFileName(DEFAULT_CONFIG_FILE_NAME);
                configFilePath = configurationFilePath.toString();
            }

            // Compile the contents of the config file into interesting file set definitions.
            Poco::File configFile = Poco::File(configFilePath);
            if (configFile.exists())
            {
                std::ifstream configStream(configFile.path().c_str());
                if (configStream)
                {
                    Poco::XML::InputSource inputSource(configStream);
                    Poco::AutoPtr<Poco::XML::Document> configDoc = Poco::XML::DOMParser().parse(&inputSource);

                    Poco::XML::Element * rootElement = configDoc->documentElement();
                    if (rootElement == NULL)
                    {
                        std::ostringstream msg;
                        msg << MSG_PREFIX << "Root element of config file is NULL.";
                        throw TskException(msg.str());
                    }

                    const std::string& ignoreKnownValue = Poco::XML::fromXMLString(rootElement->getAttribute(IGNORE_KNOWN_TAG));

                    if (!ignoreKnownValue.empty())
                    {
                        knownType = parseKnownType(ignoreKnownValue);
                        ignoreKnown = true;
                    }

                    Poco::AutoPtr<Poco::XML::NodeList> fileSetDefinitions = configDoc->getElementsByTagName(INTERESTING_FILE_SET_ELEMENT_TAG);
                    for (unsigned long i = 0; i < fileSetDefinitions->length(); ++i) 
                    {
                        compileInterestingFilesSet(fileSetDefinitions->item(i));
                    }
                }
                else
                {
                    std::ostringstream msg;
                    msg << MSG_PREFIX << "failed to open config file '" << configFilePath << "'";
                    throw TskException(msg.str());
                }
            }
            else
            {
                std::ostringstream msg;
                msg << MSG_PREFIX << "config file'" << configFilePath << "' does not exist";
                LOGERROR(msg.str());
            }

            // Log the configuration.
            std::ostringstream msg;
            msg << MSG_PREFIX << "configured with " << fileSets.size() << " interesting file set definitions from '" << configFilePath << "'";
            LOGINFO(msg.str());
        }
        catch (TskException &ex)
        {
            status = TskModule::FAIL;
            configFilePath.clear();
            std::ostringstream msg;
            msg << MSG_PREFIX << "TskException: " << ex.message();
            LOGERROR(msg.str());
        }
        catch (Poco::Exception &ex)
        {
            status = TskModule::FAIL;
            configFilePath.clear();
            std::ostringstream msg;
            msg << MSG_PREFIX << "Poco::Exception: " << ex.displayText();
            LOGERROR(msg.str());
        }
        catch (std::exception &ex)
        {
            status = TskModule::FAIL;
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