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// $Id: RtclNameSet.cpp 374 2011-03-27 17:02:47Z mueller $

//

// Copyright 2011- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>

//

// This program is free software; you may redistribute and/or modify it under

// the terms of the GNU General Public License as published by the Free

// Software Foundation, either version 2, or at your option any later version.

//

// This program is distributed in the hope that it will be useful, but

// WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY

// or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

// for complete details.

// 

// Revision History: 

// Date         Rev Version  Comment

// 2011-02-20   363   1.0    Initial version

// ---------------------------------------------------------------------------

/*!

  \file

  \version $Id: RtclNameSet.cpp 374 2011-03-27 17:02:47Z mueller $

  \brief   Implemenation of RtclNameSet.

*/

// debug

#include <iostream>

#include <stdexcept>

#include "RtclNameSet.hpp"

using namespace std;

using namespace Retro;

/*!

  \class Retro::RtclNameSet

  \brief FIXME_docs

*/

typedef std::pair<Retro::RtclNameSet::nset_it_t, bool>  nset_ins_t;

//------------------------------------------+-----------------------------------

//! Default constructor

RtclNameSet::RtclNameSet()

  : fSet()

{}

//------------------------------------------+-----------------------------------

//! FIXME_docs

RtclNameSet::RtclNameSet(const std::string& nset)

  : fSet()

{

  size_t ibeg=0;

  while (true) {

    size_t iend = nset.find_first_of('|', ibeg);

    if (iend-ibeg > 0) {

      string name(nset, ibeg, iend-ibeg);

      nset_ins_t ret = fSet.insert(name);

        if (ret.second == false)                  // or use !(ret.second)

          throw logic_error(string("RtclNameSet::<ctor> duplicate name '") +

                            name + string("' in set '") + nset + string("'"));

    }

    if (iend == string::npos) break;

    ibeg = iend+1;

  }

}

//------------------------------------------+-----------------------------------

//! Destructor

RtclNameSet::~RtclNameSet()

{}

//------------------------------------------+-----------------------------------

//! FIXME_docs

bool RtclNameSet:: Check(Tcl_Interp* interp, std::string& rval,

                         const std::string& tval) const

{

  rval.clear();

  nset_cit_t it = fSet.lower_bound(tval);

  // no leading substring match

  if (it==fSet.end() || tval!=it->substr(0,tval.length())) {

    Tcl_AppendResult(interp, "-E: bad option \"", tval.c_str(),

                     "\": must be ", NULL);

    const char* delim = "";

    for (nset_cit_t it1=fSet.begin(); it1!=fSet.end(); it1++) {

      Tcl_AppendResult(interp, delim, it1->c_str(), NULL);

      delim = ",";

    }

    return false;

  }

  // check for ambiguous substring match

  if (tval != *it) {

    nset_cit_t it1 = it;

    it1++;

    if (it1!=fSet.end() && tval==it1->substr(0,tval.length())) {

      Tcl_AppendResult(interp, "-E: ambiguous option \"", tval.c_str(),

                       "\": must be ", NULL);

      const char* delim = "";

      for (it1=it; it1!=fSet.end() &&

             tval==it1->substr(0,tval.length()); it1++) {

        Tcl_AppendResult(interp, delim, it1->c_str(), NULL);

        delim = ",";

      }

      return false;

    }

  }

  rval = *it;

  return true;

}

//------------------------------------------+-----------------------------------

#if (defined(Retro_NoInline) || defined(Retro_RtclNameSet_NoInline))

#define inline

#include "RtclNameSet.ipp"

#undef  inline

#endif