JSTDObjectWriter.hh

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#ifndef __JLANG__JSTDOBJECTWRITER__
#define __JLANG__JSTDOBJECTWRITER__
 
#include "JLang/JObjectWriter.hh"
#include "JLang/JSTDObjectOutput.hh"
 
 
/**
 * \author mdejong
 */
 
namespace JLANG {}
namespace JPP { using namespace JLANG; }
 
namespace JLANG {
 
 
  /**
   * Implementation of object output from STD container.
   *
   * This class implements the JObjectOutput interface.
   */
  template<class T>
  class JSTDObjectWriter :
    public virtual JObjectOutput<T>,
    public JObjectWriter<T>
  {
  public:
    /**
     * Default constructor.
     */
    JSTDObjectWriter()
    {} 
 
 
    /**
     * Constructor.
     *
     * \param  out        output iterator
     */
    template<class JOutputIterator_t>
    JSTDObjectWriter(const JSTDObjectOutput<JOutputIterator_t>& out)
    {
      this->reset(out.clone());
    }
 
 
    /**
     * Constructor.
     *
     * \param  buffer     output buffer
     */
    template<class JContainer_t>
    JSTDObjectWriter(JContainer_t& buffer)
    {
      this->reset(getObjectOutput(buffer).clone());
    }
 
 
    /**
     * Set output buffer.
     *
     * \param  buffer     output buffer
     */
    template<class JContainer_t>
    void set(JContainer_t& buffer)
    {
      this->reset(getObjectOutput(buffer).clone());
    }
 
  private:
    using JObjectWriter<T>::set;
  };
 
 
 
  /**
   * Implementation of object output from STD container for multiple data types.
   *
   * This class recursively implements the JLANG::JObjectOutput interface
   * for all data types by deriving from:
   *  - JSTDObjectWriter<JHead_t>; and
   *  - JSTDObjectWriter<JTail_t>.
   */
  template<class JHead_t, class JTail_t>
  struct JSTDObjectWriter< JTypeList<JHead_t, JTail_t> > :
    public virtual JObjectOutput< JTypeList<JHead_t, JTail_t> >,
    public JSTDObjectWriter<JHead_t>,
    public JSTDObjectWriter<JTail_t>
  {
    using JSTDObjectWriter<JHead_t>::put;
    using JSTDObjectWriter<JTail_t>::put;
    using JSTDObjectWriter<JHead_t>::reset;
    using JSTDObjectWriter<JTail_t>::reset;
 
 
    /**
     * Set output puffer.
     *
     * \param  buffer     output buffer
     */
    template<class JContainer_t>
    void set(JContainer_t& buffer)
    {
      this->reset(getObjectOutput(buffer).clone());
    }
  };
 
 
  /**
   * Terminator class of recursive JSTDObjectWriter class.
   */
  template<class JHead_t>
  struct JSTDObjectWriter< JTypeList<JHead_t, JNullType> > :
    public JSTDObjectWriter<JHead_t>
  {};
}
 
#endif