property.h

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// Module:  Log4CPLUS
// File:    property.h
// Created: 2/2002
// Author:  Tad E. Smith
//
//
// Copyright (C) Tad E. Smith  All rights reserved.
//
// This software is published under the terms of the Apache Software
// License version 1.1, a copy of which has been included with this
// distribution in the LICENSE.APL file.
//

#ifndef LOG4CPLUS_HELPERS_PROPERTY_HEADER_
#define LOG4CPLUS_HELPERS_PROPERTY_HEADER_

#include <log4cplus/config.h>
#include <log4cplus/streams.h>
#include <log4cplus/tstring.h>
#include <map>
#include <vector>

#if (defined(__MWERKS__) && defined(__MACOS__))
using std::size_t;
#endif


namespace log4cplus {
    namespace helpers {

        class LOG4CPLUS_EXPORT Properties {
        public:
            Properties();
            explicit Properties(log4cplus::tistream& input);
            explicit Properties(const log4cplus::tstring& inputFile);
            virtual ~Properties();

          // constants
            static const tchar PROPERTIES_COMMENT_CHAR;

          // methods
            bool exists(const log4cplus::tstring& key) const {
                return data.find(key) != data.end();
            }


            size_t size() const {
                return data.size();
            }

            log4cplus::tstring getProperty(const log4cplus::tstring& key) const;

            log4cplus::tstring getProperty(const log4cplus::tstring& key,
                                           const log4cplus::tstring& defaultVal) const;

            std::vector<log4cplus::tstring> propertyNames() const;

            void setProperty(const log4cplus::tstring& key, const log4cplus::tstring& value);

            bool removeProperty(const log4cplus::tstring& key);

            Properties getPropertySubset(const log4cplus::tstring& prefix) const;

        protected:
          // Types
//            LOG4CPLUS_EXPIMP_TEMPLATE template class LOG4CPLUS_EXPORT std::map<log4cplus::tstring, log4cplus::tstring>;
            typedef std::map<log4cplus::tstring, log4cplus::tstring> StringMap;

          // Methods
            void init(log4cplus::tistream& input);

          // Data
            StringMap data;
        };
    } // end namespace helpers

}


#endif // LOG4CPLUS_HELPERS_PROPERTY_HEADER_

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