abi.h

/*
 * This file is part of the Poliqarp suite.
 * 
 * Copyright (C) 2004-2009 by Instytut Podstaw Informatyki Polskiej
 * Akademii Nauk (IPI PAN; Institute of Computer Science, Polish
 * Academy of Sciences; cf. www.ipipan.waw.pl).  All rights reserved.
 * 
 * This file may be distributed and/or modified under the terms of the
 * GNU General Public License version 2 as published by the Free Software
 * Foundation and appearing in the file gpl.txt included in the packaging
 * of this file.  (See http://www.gnu.org/licenses/translations.html for
 * unofficial translations.)
 * 
 * A commercial license is available from IPI PAN (contact
 * Michal.Ciesiolka@ipipan.waw.pl or ipi@ipipan.waw.pl for more
 * information).  Licensees holding a valid commercial license from IPI
 * PAN may use this file in accordance with that license.
 * 
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING
 * THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE.
 */

/**
 * @file abi.h
 * This file describes binary corpus format.
 */

#ifndef POLIQARP_ABI_H
#define POLIQARP_ABI_H

#include <poliqarp-config.h>
#include <stddef.h>

#include <stddef.h>

#define POLIQARP_ABI_VERSION 2

/**
 * Interpretation item ABI.
 */
struct poliqarp_binary_interp {
   uint32_t base_id; /**< Identifier of string associated with this 
                          base form. */
   uint32_t tag_id;  /**< Identifier of string associated with this tag. */
} __attribute__((packed)); /* -64- */

union poliqarp_legacy_binary_interp {
   struct {
      unsigned base_id:20; /**< Identifier of string associated with this 
                                base form. */
      unsigned tag_id:12;  /**< Identifier of string associated with this tag. */
   } __attribute__((packed)) attributes; /* -32- */
   uint32_t data;
};

static inline struct poliqarp_binary_interp
poliqarp_convert_legacy_binary_interp(
   const union poliqarp_legacy_binary_interp legacy_interpretation)
{
   struct poliqarp_binary_interp res;
   uint32_t data = en4(legacy_interpretation.data);
   res.base_id = data & 0xfffff;
   res.tag_id = data >> 20;
   return res;
}

/**
 * Segment item ABI.
 */