Buffer.hpp

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#ifndef UI_GXML_BUFFER_HPP
#define UI_GXML_BUFFER_HPP

// STDC++
#include <string>

// C libraries
#include <libxml/tree.h>

// C++ libraries
#include <ui-gxmlcpp/Exception.hpp>
#include <ui-gxmlcpp/Util.hpp>

namespace UI {
namespace GXML {

class Buffer: private UI::Util::auto_base<xmlBuffer>
{
public:
        enum ErrorCode
        {
                Mem_
        };
        typedef CodeException<ErrorCode> Exception;

        Buffer();
        ~Buffer();

        void concat(std::string const & text);
        char const * getBuf() const;
        int getSize() const;

        using UI::Util::auto_base<xmlBuffer>::get;
};

class OutputBuffer: private Buffer
{
public:
        OutputBuffer();

        using Buffer::ErrorCode;
        using Buffer::Exception;
        using Buffer::concat;
#ifdef LIBXML2_NEW_BUFFER
        ~OutputBuffer();
        char const * getBuf() const;
        int getSize() const;
#else
        using Buffer::getBuf;
        using Buffer::getSize;
#endif

        xmlOutputBuffer * get() const;
        xmlOutputBuffer * operator->() const;

private:
#ifdef LIBXML2_NEW_BUFFER
        xmlOutputBuffer * outbuf_;
#else
        xmlOutputBuffer outbuf_;
#endif
};

}}
#endif