/*
 * skkdic-p2cdb.c -- convert plain skkdic to cdb.
 * (C)Copyright 2001 by Hiroshi Takekawa
 * This file is part of multiskkserv.
 *
 * Last Modified: Mon Feb 12 01:13:42 2001.
 * $Id: skkdic-p2cdb.c,v 1.1.1.1 2001/02/11 16:13:42 sian Exp $
 *
 * This software is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 as published by the Free Software Foundation.
 *
 * This software 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.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */

#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#include <cdb_make.h>
#include <cdb.h>

#define REQUIRE_STRING_H
#include "compat.h"
#include "common.h"

#define SKKSERV_WORD_SIZE 1023
#define SKKSERV_RESULT_SIZE 2048
#define LINE_SIZE (SKKSERV_WORD_SIZE + SKKSERV_RESULT_SIZE)

int
main(int argc, char **argv)
{
  struct cdb_make cdb;
  uint32 h;
  int i, fd;
  char *sep;
  char buf[LINE_SIZE];
  char wbuf[SKKSERV_WORD_SIZE];
  char rbuf[SKKSERV_RESULT_SIZE];

  if (argc != 2) {
    fprintf(stderr, "usage: %s outfile < infile\n", argv[0]);
    return 1;
  }

  if ((fd = open(argv[1], O_CREAT | O_WRONLY | O_EXCL, S_IRUSR)) == -1) {
    fprintf(stderr, "Cannot open %s\n", argv[1]);
    return 2;
  }

  if (cdb_make_start(&cdb, fd) == -1) {
    fprintf(stderr, "cdb_make_start() failed.\n");
    return 3;
  }

  while (fgets(buf, LINE_SIZE, stdin)) {
    if (buf[0] == ';')
      continue;
    if (buf[0] == '\n')
      continue;
    if ((sep = strchr(buf, ' ')) == NULL) {
      fprintf(stderr, "format error: %s\n", buf);
      return 4;
    }
    memcpy(wbuf, buf, sep - buf);
    wbuf[sep - buf] = '\0';
    strcpy(rbuf, sep + 1);
    /* chomp */
    if (rbuf[strlen(rbuf) - 1] == '\n')
      rbuf[strlen(rbuf) - 1] = '\0';
    if (cdb_make_addbegin(&cdb, strlen(wbuf), strlen(rbuf)) == -1) {
      fprintf(stderr, "cdb_make_addbegin() failed.\n");
      return 5;
    }
    if (buffer_puts(&cdb.b, wbuf) == -1) {
      fprintf(stderr, "buffer_puts() failed.\n");
      return 6;
    }
    h = CDB_HASHSTART;
    for (i = 0; i < strlen(wbuf); i++)
      h = cdb_hashadd(h, wbuf[i]);
    if (buffer_puts(&cdb.b, rbuf) == -1) {
      fprintf(stderr, "buffer_puts() failed.\n");
      return 7;
    }
    if (cdb_make_addend(&cdb, strlen(wbuf), strlen(rbuf), h) == -1) {
      fprintf(stderr, "cdb_make_addend() failed.\n");
      return 8;
    }
  }

  if (cdb_make_finish(&cdb) == -1) {
    fprintf(stderr, "cdb_make_finish() failed.\n");
    return 9;
  }
  if (close(fd) == -1) {
    fprintf(stderr, "final close() failed...\n");
    return 10;
  }

  return 0;
}