consolemenu.cpp

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//-----------------------------------------------------------------------------------------
/*

Fix8 is released under the GNU LESSER GENERAL PUBLIC LICENSE Version 3.

Fix8 Open Source FIX Engine.
Copyright (C) 2010-16 David L. Dight <fix@fix8.org>

Fix8 is free software: you can  redistribute it and / or modify  it under the  terms of the
GNU Lesser General  Public License as  published  by the Free  Software Foundation,  either
version 3 of the License, or (at your option) any later version.

Fix8 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.

You should  have received a copy of the GNU Lesser General Public  License along with Fix8.
If not, see <http://www.gnu.org/licenses/>.

BECAUSE THE PROGRAM IS  LICENSED FREE OF  CHARGE, THERE IS NO  WARRANTY FOR THE PROGRAM, TO
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*/
//-----------------------------------------------------------------------------------------
#include "precomp.hpp"
#include <fix8/f8includes.hpp>
#include <fix8/consolemenu.hpp>

//-------------------------------------------------------------------------------------------------
using namespace FIX8;
using namespace std;

//-------------------------------------------------------------------------------------------------
const f8String ConsoleMenu::_opt_keys("0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()_+-={}[]:\";'<>,?/|");
const f8String ConsoleMenu::_fld_prompt("Press ENTER for next page, '.' to Quit or type an option> ");

//-------------------------------------------------------------------------------------------------
const BaseMsgEntry *ConsoleMenu::SelectMsg() const
{
   for(;;)
   {
      const MsgTable::Pair *pp(_ctx._bme.begin());
      char opt(0);
      _os << endl;
      _os << "--------------------------------------------------" << endl;
      _os << " Select message to create" << endl;
      _os << "--------------------------------------------------" << endl;

      int page(0);
      for (unsigned nlines(0); pp != _ctx._bme.end(); ++pp)
      {
         _os << '[' << _opt_keys[nlines] << "]  " << pp->_value._name << '(' << pp->_key << ')' << endl;

         ++nlines;
         if (nlines % _lpp == 0 || (nlines + _lpp * page) == _ctx._bme.size())
         {
            _os << "Page " << (page + 1) << '/' << (1 + (_ctx._bme.size() / _lpp)) << ' ';
            if ((opt = get_key(_fld_prompt, true)))
               break;
            ++page;
            nlines = 0;
            _os << endl;
         }
      }

      size_t idx;
      if (opt)
      {
         if (opt == '.')
            return nullptr;

         if ((idx = _opt_keys.find_first_of(opt)) != f8String::npos)
         {
            idx += (page * _lpp);
            if (idx < _ctx._bme.size())
            {
               const MsgTable::Pair *pr(_ctx._bme.at(idx));
               if (pr)
                  return &pr->_value;
            }
         }
      }
   }

   return nullptr;
}

//-------------------------------------------------------------------------------------------------
const FieldTable::Pair *ConsoleMenu::SelectField(const Message *msg, int grpid) const
{
   ostringstream ostr;
   if (grpid)
      ostr << msg->get_msgtype() << " (" << grpid << ')';
   else
      ostr << _ctx._bme.find_ptr(msg->get_msgtype().c_str())->_name;

   for(;;)
   {
      Presence::const_iterator itr(msg->get_fp().get_presence().begin());
      char opt(0);
      _os << endl;
      _os << "--------------------------------------------------" << endl;
      _os << ' ' << ostr.str() << ": Select field to add (*:mandatory +:present)" << endl;
      _os << "--------------------------------------------------" << endl;

      int page(0);
      for (unsigned nlines(0); itr != msg->get_fp().get_presence().end(); ++itr)
      {
         const BaseEntry *tbe(_ctx.find_be(itr->_fnum));
         _os << '[' << _opt_keys[nlines] << "] ";
         if (msg->have(itr->_fnum))
         {
            _os << '+';
            msg->print_field(itr->_fnum, _os);
            _os << endl;
         }
         else
            _os << (msg->get_fp().is_mandatory(itr->_fnum) ? '*' : ' ')
               << tbe->_name << '(' << itr->_fnum << ')' << endl;

         ++nlines;

         if (nlines % _lpp == 0 || (nlines + _lpp * page) == msg->get_fp().get_presence().size())
         {
            _os << "Page " << (page + 1) << '/' << (1 + (msg->get_fp().get_presence().size() / _lpp)) << ' ';
            if ((opt = get_key(_fld_prompt, true)))
               break;
            ++page;
            nlines = 0;
            _os << endl;
         }
      }

      size_t idx;
      if (opt)
      {
         if (opt == '.')
            return nullptr;

         if ((idx = _opt_keys.find_first_of(opt)) != f8String::npos)
         {
            idx += (page * _lpp);
            Presence::const_iterator fitr(msg->get_fp().get_presence().at(idx));
            if (fitr != msg->get_fp().get_presence().end())
               return _ctx._be.find_pair_ptr(fitr->_fnum);
         }
      }
   }

   return nullptr;
}

//-------------------------------------------------------------------------------------------------
int ConsoleMenu::SelectRealm(const unsigned short fnum, const RealmBase *rb) const
{
   const BaseEntry *be(_ctx.find_be(fnum));

   for(;;)
   {
      int pp(0);
      char opt(0);

      _os << endl;
      _os << "--------------------------------------------------" << endl;
      _os << ' ' << be->_name << ": Select realm value to add" << endl;
      _os << "--------------------------------------------------" << endl;

      int page(0);
      for (int nlines(0); pp < rb->_sz; ++pp)
      {
         _os << '[' << _opt_keys[nlines] << "]  " << *(rb->_descriptions + pp) << " (";
         rb->print(_os, pp);
         _os << ')' << endl;

         ++nlines;
         if (nlines % _lpp == 0 || (nlines + _lpp * page) == rb->_sz)
         {
            _os << "Page " << (page + 1) << '/' << (1 + (rb->_sz / _lpp)) << ' ';
            if ((opt = get_key(_fld_prompt, true)))
               break;
            ++page;
            nlines = 0;
            _os << endl;
         }
      }

      int idx;
      if (opt)
      {
         if (opt == '.')
            return 0;

         if (static_cast<size_t>((idx = (static_cast<int>(_opt_keys.find_first_of(opt))))) != f8String::npos)
         {
            idx += (page * _lpp);
            if (idx < rb->_sz)
               return idx;
         }
      }
   }

   return 0;
}

//-------------------------------------------------------------------------------------------------
Message *ConsoleMenu::SelectFromMsg(const MsgList& lst) const
{
   if (lst.empty())
      return nullptr;

   for(;;)
   {
      MsgList::const_iterator itr(lst.begin());
      char opt(0);
      _os << endl;
      _os << "--------------------------------------------------" << endl;
      _os << "Select from " << lst.size() << " messages" << endl;
      _os << "--------------------------------------------------" << endl;

      int page(0);
      for (unsigned nlines(0); itr != lst.end(); ++itr)
      {
         const MsgTable::Pair *tbme(_ctx._bme.find_pair_ptr((*itr)->get_msgtype().c_str()));
         text txt;
         (*itr)->get(txt);
         sending_time sndtime;
         msg_seq_num msgseqnum;
         if ((*itr)->Header())
         {
             (*itr)->Header()->get(sndtime);
             (*itr)->Header()->get(msgseqnum);
         }
         _os << '[' << _opt_keys[nlines] << "]  " << tbme->_value._name << '(' << tbme->_key << ")\t"
             << sndtime() << ' ' << msgseqnum() << ' ' << txt() << endl;

         ++nlines;
         if (nlines % _lpp == 0 || (nlines + _lpp * page) == lst.size())
         {
            _os << "Page " << (page + 1) << ' ';
            if ((opt = get_key(_fld_prompt, true)))
               break;
            ++page;
            nlines = 0;
            _os << endl;
         }
      }

      size_t idx;
      if (opt)
      {
         if (opt == '.')
            return nullptr;

         if ((idx = _opt_keys.find_first_of(opt)) != f8String::npos)
         {
            idx += (page * _lpp);
            if (idx < lst.size())
               return lst[idx];
         }
      }
   }

   return nullptr;
}

//-------------------------------------------------------------------------------------------------
int ConsoleMenu::CreateMsgsFrom(tty_save_state& tty, MsgList& lst, const MsgList& from) const
{
   for (;;)
   {
      const BaseMsgEntry *mc(SelectMsg());
      if (!mc)
         break;
      unique_ptr<Message> msg(mc->_create._do(true));
      Message *fmsg(SelectFromMsg(from));
      if (fmsg)
         fmsg->copy_legal(msg.get());
      const FieldTable::Pair *fld;
      while((fld = SelectField(msg.get())))
         EditMsg(tty, fld, msg.get());
      _os << endl << endl << *static_cast<MessageBase *>(msg.get()) << endl;
      if (get_yn("Add to list? (y/n):", true))
         lst.push_back(msg.release());
   }

   return static_cast<int>(lst.size());
}

//-------------------------------------------------------------------------------------------------
int ConsoleMenu::CreateMsgs(tty_save_state& tty, MsgList& lst) const
{
   for (;;)
   {
      const BaseMsgEntry *mc(SelectMsg());
      if (!mc)
         break;
      unique_ptr<Message> msg(mc->_create._do(true));
      const FieldTable::Pair *fld;
      while((fld = SelectField(msg.get())))
         EditMsg(tty, fld, msg.get());
      _os << endl << endl << *static_cast<MessageBase *>(msg.get()) << endl;
      if (get_yn("Add to list? (y/n):", true))
         lst.push_back(msg.release());
   }

   return static_cast<int>(lst.size());
}

//-------------------------------------------------------------------------------------------------
f8String& ConsoleMenu::GetString(tty_save_state& tty, f8String& to) const
{
   char buff[128] {};
   tty.unset_raw_mode();
   _is.getline(buff, sizeof(buff));
   tty.set_raw_mode();
   return to = buff;
}

//-------------------------------------------------------------------------------------------------
void ConsoleMenu::EditMsg(tty_save_state& tty, const FieldTable::Pair *fld, Message *msg) const
{
   string txt;
   int rval(-1);
   if (fld->_value._rlm)
      rval = SelectRealm(fld->_key, fld->_value._rlm);
   else
   {
      _os << endl << fld->_value._name << ": " << flush;
      GetString(tty, txt);
      if (msg->get_fp().is_group(fld->_key))
      {
         int cnt(stoi(txt));
         GroupBase *gb(msg->find_group(fld->_key));
         if (gb && cnt)
         {
            for (int ii(0); ii < cnt; ++ii)
            {
               Message *gmsg(static_cast<Message *>(gb->create_group(true)));
               const FieldTable::Pair *fld;
               while((fld = SelectField(gmsg, ii + 1)))
                  EditMsg(tty, fld, gmsg);
               _os << endl << endl << *static_cast<MessageBase *>(gmsg) << endl;
               if (get_yn("Add group to msg? (y/n):", true))
                  *gb += gmsg;
            }
         }
      }
   }

   BaseField *bf(fld->_value._create._do(txt.c_str(), fld->_value._rlm, rval));
   msg->add_field(bf->get_tag(), msg->get_fp().get_presence().end(), 0, bf, true);
}

//-------------------------------------------------------------------------------------------------
int ConsoleMenu::EditMsgs(tty_save_state& tty, MsgList& lst) const
{
   for (;;)
   {
      Message *msg(SelectFromMsg(lst));
      if (!msg)
         break;
      const FieldTable::Pair *fld;
      while((fld = SelectField(msg)))
         EditMsg(tty, fld, msg);
      _os << endl << endl << *static_cast<MessageBase *>(msg) << endl;
   }

   return static_cast<int>(lst.size());
}

//-------------------------------------------------------------------------------------------------
Message *ConsoleMenu::RemoveMsg(tty_save_state& tty, MsgList& lst) const
{
   Message *msg(SelectFromMsg(lst));
   if (msg)
   {
      for (MsgList::iterator itr(lst.begin()); itr != lst.end(); ++itr)
      {
         if (*itr == msg)
         {
            _os << endl;
            if (get_yn("Remove msg from list? (y/n, n=return a copy):", true))
            {
               lst.erase(itr);
               return msg;
            }
            return msg->clone();
         }
      }
   }

   return nullptr;;
}

//-------------------------------------------------------------------------------------------------
int ConsoleMenu::DeleteAllMsgs(tty_save_state& tty, MsgList& lst) const
{
   if (lst.size() && get_yn("Delete all msgs? (y/n):", true))
   {
      for_each(lst.begin(), lst.end(), [](const Message *pp){ delete pp; pp = nullptr; });
      lst.clear();
   }

   return 0;
}

//-------------------------------------------------------------------------------------------------
int ConsoleMenu::DeleteMsgs(tty_save_state& tty, MsgList& lst) const
{
   for (;;)
   {
      Message *msg(SelectFromMsg(lst));
      if (!msg)
         break;
      for (MsgList::iterator itr(lst.begin()); itr != lst.end(); ++itr)
      {
         if (*itr == msg)
         {
            if (get_yn(" Delete msg? (y/n):", true))
            {
               delete *itr;
               lst.erase(itr);
            }
            break;
         }
      }
   }

   return static_cast<int>(lst.size());
}