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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.
*/

/**
* @addtogroup expr
*/

/**
* @file draft.h
* @author John Wiegley
*
* @ingroup report
*/
#ifndef _DRAFT_H
#define _DRAFT_H

#include "exprbase.h"
#include "value.h"

namespace ledger {

class journal_t;
class xact_t;

class draft_t : public expr_base_t<value_t>
{
  typedef expr_base_t<value_t> base_type;

  struct xact_template_t
  {
    optional<date_t> date;
    optional<string> code;
    optional<string> note;
    mask_t payee_mask;

    struct post_template_t {
      bool from;
      optional<mask_t> account_mask;
      optional<amount_t> amount;
      optional<string> cost_operator;
      optional<amount_t> cost;

      post_template_t() : from(false) {}
    };

    std::list<post_template_t> posts;

    xact_template_t() {}

    void dump(std::ostream& out) const;
  };

  optional<xact_template_t> tmpl;

public:
  draft_t(const value_t& args) : base_type() {
    TRACE_CTOR(draft_t, "value_t");
    if (! args.empty())
      parse_args(args);
  }
  virtual ~draft_t() {
    TRACE_DTOR(draft_t);
  }

  void parse_args(const value_t& args);

  virtual result_type real_calc(scope_t&) {
    assert(false);
    return true;
  }

  xact_t * insert(journal_t& journal);

  virtual void dump(std::ostream& out) const {
    if (tmpl)
      tmpl->dump(out);
  }
};

value_t xact_command(call_scope_t& args);
value_t template_command(call_scope_t& args);

} // namespace ledger

#endif // _DRAFT_H
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