JGITTags.hh

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#ifndef __JEEP__JGITTAGS__
#define __JEEP__JGITTAGS__

#include <string>
#include <map>

#include "Jeep/JDate.hh"


/**
 * \file
 *
 * Dates GIT tags.
 * \author mdejong
 */

namespace JEEP {}
namespace JPP { using namespace JEEP; }

namespace JEEP {

  /**
   * Type definition of dated GIT tags.
   */
  typedef std::map<JDate<'-'>, std::string>   JGITTags_t;


  /**
   * Get GIT version for given GIT tag.
   *
   * \param  tag            GIT tag
   * \return                GIT version
   */
  inline std::string getGITVersion(const std::string& tag)
  {
    if (!tag.empty()) {

      if (tag[0] == 'v' ||
          tag[0] == 'V') {

        return tag.substr(1);
      }
    }

    return tag;
  }


  /**
   * Get GIT dated tags.
   *
   * \return                     dated GIT tags
   */
  inline const JGITTags_t& getGITTags()
  {
    using namespace std;
    using namespace JPP;

    static JGITTags_t buffer;

    if (buffer.empty()) {

#ifdef GIT_TAGS

      istringstream in(GIT_TAGS);

      JDate<'-'> date;
      string     tag;

      while (in >> tag >> date) {
        buffer[date] = tag;
      }
#endif
    }

    return buffer;
  }
}

#endif