/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2005 Miika Pekkarinen
 *
 * All files in this archive are subject to the GNU General Public License.
 * See the file COPYING in the source tree root for full license agreement.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/

/*
This tool converts the rdf file to the binary data used in the dict plugin.
*/

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

/* maximum word lenght, has to be the same in dict.c */
#define WORDLEN 32

struct word {
	char word[WORDLEN];
	long offset;
};

int main()
{
	FILE *in;
	int idx_out, desc_out;
	struct word w;
	char buf[10000];
	long cur_offset = 0;
	
	in = fopen("dict.preparsed", "r");
	idx_out = open("dict.index", O_WRONLY | O_CREAT);
	desc_out = open("dict.desc", O_WRONLY | O_CREAT);
	
	if (in == NULL || idx_out < 0 || desc_out < 0) {
		fprintf(stderr, "Error: Some files couldn't be opened\n");
		return 1;
	}
	
	while (fgets(buf, sizeof buf, in) != NULL) {
		/* It is safe to use strtok here */
		const char *word = strtok(buf, "\t");
		const char *desc = strtok(NULL, "\t");
		
		if (word == NULL || desc == NULL) {
			fprintf(stderr, "Parse error!\n");
			fprintf(stderr, "word: %s\ndesc: %s\n", word, desc);
			
			return 2;
		}
		
		/* We will null-terminate the words */
		strncpy(w.word, word, WORDLEN - 1);
		w.offset = cur_offset;
		write(idx_out, &w, sizeof(struct word));
		
		while (1) {
			int len = strlen(desc);
			cur_offset += len;
			write(desc_out, desc, len);
			
			desc = strtok(NULL, "\t");
			if (desc == NULL)
				break ;
			
			cur_offset++;
			write(desc_out, "\n", 1);
			
		}
	}
	
	return 0;
}