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/*
 * Copyright (c) 2003-2010, John Wiegley.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * - Neither the name of New Artisans LLC nor the names of its
 *   contributors may be used to endorse or promote products derived from
 *   this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <system.hh>

#include "emacs.h"
#include "xact.h"
#include "post.h"
#include "account.h"

namespace ledger {

void format_emacs_posts::write_xact(xact_t& xact)
{
  if (xact.pos)
    out << "\"" << xact.pos->pathname.string() << "\" "
        << xact.pos->beg_line << " ";
  else
    out << "\"\" " << -1 << " ";

  tm          when = gregorian::to_tm(xact.date());
  std::time_t date = std::mktime(&when);

  out << "(" << (date / 65536) << " " << (date % 65536) << " 0) ";

  if (xact.code)
    out << "\"" << *xact.code << "\" ";
  else
    out << "nil ";

  if (xact.payee.empty())
    out << "nil";
  else
    out << "\"" << xact.payee << "\"";

  out << "\n";
}

void format_emacs_posts::operator()(post_t& post)
{
  if (! post.has_xdata() ||
      ! post.xdata().has_flags(POST_EXT_DISPLAYED)) {
    if (! last_xact) {
      out << "((";
      write_xact(*post.xact);
    }
    else if (post.xact != last_xact) {
      out << ")\n (";
      write_xact(*post.xact);
    }
    else {
      out << "\n";
    }

    if (post.pos)
      out << "  (" << post.pos->beg_line << " ";
    else
      out << "  (" << -1 << " ";

    out << "\"" << post.reported_account()->fullname() << "\" \""
        << post.amount << "\"";

    switch (post.state()) {
    case item_t::UNCLEARED:
      out << " nil";
      break;
    case item_t::CLEARED:
      out << " t";
      break;
    case item_t::PENDING:
      out << " pending";
      break;
    }

    if (post.cost)
      out << " \"" << *post.cost << "\"";
    if (post.note)
      out << " \"" << *post.note << "\"";
    out << ")";

    last_xact = post.xact;

    post.xdata().add_flags(POST_EXT_DISPLAYED);
  }
}

} // namespace ledger