C++ PathName::hasData方法代码示例

void ClntAuthBlock::extractDataFromPluginTo(Firebird::ClumpletWriter& user_id)
{
	// Add user login name
	if (cliOrigUserName.hasData())
	{
		HANDSHAKE_DEBUG(fprintf(stderr, "Cli: extractDataFromPluginTo: cliOrigUserName=%s\n",
			cliOrigUserName.c_str()));
		user_id.insertString(CNCT_login, cliOrigUserName);
	}

	// Add plugin name
	Firebird::PathName pluginName = getPluginName();
	if (pluginName.hasData())
	{
		HANDSHAKE_DEBUG(fprintf(stderr, "Cli: extractDataFromPluginTo: pluginName=%s\n", pluginName.c_str()));
		user_id.insertPath(CNCT_plugin_name, pluginName);
	}

	// Add plugin list
	if (pluginList.hasData())
	{
		user_id.insertPath(CNCT_plugin_list, pluginList);
	}

	// This is specially tricky field - user_id is limited to 255 bytes per entry,
	// and we have no ways to override this limit cause it can be sent to any version server.
	// Therefore divide data into 254-byte parts, leaving first byte for the number of that part.
	// This appears more reliable than put them in strict order.
	addMultiPartConnectParameter(dataFromPlugin, user_id, CNCT_specific_data);

	// Client's wirecrypt requested level
	user_id.insertInt(CNCT_client_crypt, clntConfig->getWireCrypt(WC_CLIENT));
}

void PathUtils::splitPrefix(Firebird::PathName& path, Firebird::PathName& prefix)
{
	prefix.erase();
	while (path.hasData() && path[0] == dir_sep)
	{
		prefix = dir_sep;
		path.erase(0, 1);
	}
}

inline void setPrefixIfNotEmpty(const Firebird::PathName& prefix, SSHORT arg_type)
{
/**************************************
 *
 *         s e t P r e f i x I f N o t E m p t y
 *
 **************************************
 *
 * Functional description
 *      Helper for ISC_set_prefix
 *
 **************************************/
	if (prefix.hasData())
	{
		// ignore here return value of gds__get_prefix():
		// it will never fail with our good arguments
		gds__get_prefix(arg_type, prefix.c_str());
	}
}

// Build full file name in specified directory
Firebird::PathName getPrefix(unsigned int prefType, const char* name)
{
	Firebird::PathName s;
	char tmp[MAXPATHLEN];

	const char* configDir[] = {
		FB_BINDIR, FB_SBINDIR, FB_CONFDIR, FB_LIBDIR, FB_INCDIR, FB_DOCDIR, FB_UDFDIR, FB_SAMPLEDIR,
		FB_SAMPLEDBDIR, FB_HELPDIR, FB_INTLDIR, FB_MISCDIR, FB_SECDBDIR, FB_MSGDIR, FB_LOGDIR,
		FB_GUARDDIR, FB_PLUGDIR
	};

	fb_assert(FB_NELEM(configDir) == Firebird::IConfigManager::DIR_COUNT);
	fb_assert(prefType < Firebird::IConfigManager::DIR_COUNT);

	if (! bootBuild())
	{
		if (prefType != Firebird::IConfigManager::DIR_CONF &&
			prefType != Firebird::IConfigManager::DIR_MSG &&
			configDir[prefType][0])
		{
			// Value is set explicitly and is not environment overridable
			PathUtils::concatPath(s, configDir[prefType], name);
			return s;
		}
	}

	switch(prefType)
	{
		case Firebird::IConfigManager::DIR_BIN:
		case Firebird::IConfigManager::DIR_SBIN:
#ifdef WIN_NT
			s = "";
#else
			s = "bin";
#endif
			break;

		case Firebird::IConfigManager::DIR_CONF:
		case Firebird::IConfigManager::DIR_LOG:
		case Firebird::IConfigManager::DIR_GUARD:
		case Firebird::IConfigManager::DIR_SECDB:
			s = "";
			break;

		case Firebird::IConfigManager::DIR_LIB:
#ifdef WIN_NT
			s = "";
#else
			s = "lib";
#endif
			break;

		case Firebird::IConfigManager::DIR_PLUGINS:
			s = "plugins";
			break;

		case Firebird::IConfigManager::DIR_INC:
			s = "include";
			break;

		case Firebird::IConfigManager::DIR_DOC:
			s = "doc";
			break;

		case Firebird::IConfigManager::DIR_UDF:
			s = "UDF";
			break;

		case Firebird::IConfigManager::DIR_SAMPLE:
			s = "examples";
			break;

		case Firebird::IConfigManager::DIR_SAMPLEDB:
			s = "examples/empbuild";
			break;

		case Firebird::IConfigManager::DIR_HELP:
			s = "help";
			break;

		case Firebird::IConfigManager::DIR_INTL:
			s = "intl";
			break;

		case Firebird::IConfigManager::DIR_MISC:
			s = "misc";
			break;

		case Firebird::IConfigManager::DIR_MSG:
			gds__prefix_msg(tmp, name);
			return tmp;

		default:
			fb_assert(false);
			break;
	}

	if (s.hasData() && name[0])
	{
//.........这里部分代码省略.........