JSTDToolkit.hh

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#ifndef __JLANG__JSTDTOOLKIT__
#define __JLANG__JSTDTOOLKIT__

#include "JLang/JSTDTypes.hh"


/**
 * \author mdejong
 */

namespace JLANG {}
namespace JPP { using namespace JLANG; }

namespace JLANG {

  /**
   * Get value in map.
   *
   * The value in the map at the given key is returned if present else the default value.
   *
   * \param  map          map
   * \param  key          key
   * \param  value        default value
   * \return              value
   */
  template<class JKey_t, class JValue_t, class JComparator_t, class JAllocator_t>
  inline const JValue_t& getValue(const std::map<JKey_t, JValue_t, JComparator_t, JAllocator_t>& map, const JKey_t& key, const JValue_t& value)
  {
    typename std::map<JKey_t, JValue_t, JComparator_t, JAllocator_t>::const_iterator i = map.find(key);

    if (i != map.end())
      return i->second;
    else
      return value;
  }


  /**
   * Put end marker.
   *
   * The end marker is put at the end but within the capacity of the given vector whilst its size is maintained.
   *
   * \param  buffer       buffer
   * \param  value        end marker
   */
  template<class JElement_t, class JAllocator_t>
  inline void putEndMarker(std::vector<JElement_t, JAllocator_t>& buffer, const JElement_t& value)
  {
    if (buffer.capacity() <= buffer.size()) {
      buffer.reserve(buffer.size() + 1);
    }

    *(buffer.end()) = value;
  }
}

#endif