Function parseExternalValue

src/jrd/replication/Config.cpp:123–170

	}

	bool parseExternalValue(CheckStatusWrapper* status, const string& key, const string& value, string& output)
	{
		const auto pos = key.rfind('_');
		if (pos == string::npos)
		{
			output = value.c_str();
			return true;
		}

		string temp;
		const string key_source = key.substr(pos + 1);

		if (key_source.equals(KEY_SUFFIX_ENV))
		{
			fb_utils::readenv(value.c_str(), temp);
			if (temp.isEmpty())
			{
				configError(status, "missing environment variable", key, value);
				return false;
			}
		}
		else if (key_source.equals(KEY_SUFFIX_FILE))
		{
			PathName filename = value.c_str();
			PathUtils::fixupSeparators(filename);
			if (PathUtils::isRelative(filename))
				filename = fb_utils::getPrefix(IConfigManager::DIR_CONF, filename.c_str());

			AutoPtr<FILE> file(os_utils::fopen(filename.c_str(), "rt"));
			if (!file)
			{
				configError(status, "missing or inaccessible file", key, filename.c_str());
				return false;
			}

			if (temp.LoadFromFile(file))
				temp.alltrim("\r");

			if (temp.isEmpty())
			{
				configError(status, "first empty line of file", key, filename.c_str());
				return false;
			}
		}

		output = temp.c_str();
		return true;
	}

	bool parseSyncReplica(CheckStatusWrapper* status, const ConfigFile::Parameters& params, SyncReplica& output)
	{