//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// copyright            : (C) 2014 Eran Ifrah
// file name            : variables.hpp
//
// -------------------------------------------------------------------------
// A
//              _____           _      _     _ _
//             /  __ \         | |    | |   (_) |
//             | /  \/ ___   __| | ___| |    _| |_ ___
//             | |    / _ \ / _  |/ _ \ |   | | __/ _ )
//             | \__/\ (_) | (_| |  __/ |___| | ||  __/
//              \____/\___/ \__,_|\___\_____/_|\__\___|
//
//                                                  F i l e
//
//    This program is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////

/**
   dtl -- Diff Template Library
   
   In short, Diff Template Library is distributed under so called "BSD license",
   
   Copyright (c) 2013 Tatsuhiko Kubo <cubicdaiya@gmail.com>
   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 the authors 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.
*/

/* If you use this library, you must include dtl.hpp only. */

#ifndef DTL_VARIABLES_H
#define DTL_VARIABLES_H

#include <vector>
#include <list>
#include <string>
#include <algorithm>
#include <iostream>

namespace dtl {
    
    using std::vector;
    using std::string;
    using std::pair;
    using std::ostream;
    using std::list;
    using std::for_each;
    using std::distance;
    using std::fill;
    using std::cout;
    using std::endl;
    using std::rotate;
    using std::swap;
    using std::max;

    /**
     * version string
     */
    const string version = "1.18";

    /**
     * type of edit for SES
     */
    typedef int edit_t;
    const   edit_t SES_DELETE = -1;
    const   edit_t SES_COMMON = 0;
    const   edit_t SES_ADD    = 1;
    
    /**
     * mark of SES
     */
#define SES_MARK_DELETE "-"
#define SES_MARK_COMMON " "
#define SES_MARK_ADD    "+"

    /**
     * info for Unified Format
     */
    typedef struct eleminfo {
        long long beforeIdx;           // index of prev sequence
        long long afterIdx;            // index of after sequence
        edit_t    type;                // type of edit(Add, Delete, Common)
        bool operator==(const eleminfo& other) const{
            return (this->beforeIdx == other.beforeIdx && this->afterIdx == other.afterIdx && this->type == other.type);
        }
    } elemInfo;
    
    const long long DTL_SEPARATE_SIZE = 3;
    const long long DTL_CONTEXT_SIZE  = 3;
    
    /**
     * cordinate for registering route
     */
    typedef struct Point {
        long long x;                         // x cordinate
        long long y;                         // y cordinate
        long long k;                         // vertex
    } P;
    
    /**
     * limit of cordinate size
     */
    const unsigned long long MAX_CORDINATES_SIZE = 2000000;
    
    typedef vector< long long > editPath;
    typedef vector< P >         editPathCordinates;
    
    /**
     * Structure of Unified Format Hunk
     */
    template <typename sesElem>
    struct uniHunk {
        long long a, b, c, d;        // @@ -a,b +c,d @@
        vector< sesElem > common[2]; // anteroposterior commons on changes
        vector< sesElem > change;    // changes
        long long inc_dec_count;     // count of increace and decrease
    };

#define dtl_typedefs(elem, sequence)                                    \
    typedef pair< elem, elemInfo >            sesElem;                  \
    typedef vector< sesElem >                 sesElemVec;               \
    typedef vector< uniHunk< sesElem > >      uniHunkVec;               \
    typedef list< elem >                      elemList;                 \
    typedef vector< elem >                    elemVec;                  \
    typedef typename uniHunkVec::iterator     uniHunkVec_iter;          \
    typedef typename sesElemVec::iterator     sesElemVec_iter;          \
    typedef typename elemList::iterator       elemList_iter;            \
    typedef typename sequence::iterator       sequence_iter;            \
    typedef typename sequence::const_iterator sequence_const_iter;      \
    typedef typename elemVec::iterator        elemVec_iter;


} 

#endif // DTL_VARIABLES_H
