ibrdtn/ibrdtn/data/BundleString.cpp

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/*
 * BundleString.cpp
 *
 *  Created on: 11.09.2009
 *      Author: morgenro
 */

#include "ibrdtn/config.h"
#include "ibrdtn/data/BundleString.h"
#include "ibrdtn/data/SDNV.h"

namespace dtn
{
        namespace data
        {
                BundleString::BundleString(std::string value)
                 : std::string(value)
                {
                }

                BundleString::BundleString()
                {
                }

                BundleString::~BundleString()
                {
                }

                size_t BundleString::getLength() const
                {
                        dtn::data::SDNV sdnv(length());
                        return sdnv.getLength() + length();
                }

                std::ostream &operator<<(std::ostream &stream, const BundleString &bstring)
                {
                        std::string data = (std::string)bstring;
                        dtn::data::SDNV sdnv(data.length());
                        stream << sdnv << data;
                        return stream;
                }

                std::istream &operator>>(std::istream &stream, BundleString &bstring)
                {
                        dtn::data::SDNV length;
                        stream >> length;
                        std::streamsize data_len = length.getValue();

                        // clear the content
                        ((std::string&)bstring) = "";
                        
                        if (data_len > 0)
                        {
                                char data[data_len];
                                stream.read(data, data_len);
                                bstring.assign(data, data_len);
                        }

                        return stream;
                }
        }
}