rockbox/tools/rdf2binary.c
2005-05-02 23:50:43 +00:00

101 lines
2.7 KiB
C

/***************************************************************************
* __________ __ ___.
* 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;
};
/* convert offsets here, not on device. */
long long_to_big_endian (void* value)
{
unsigned char* bytes = (unsigned char*) value;
return (long)bytes[0] | ((long)bytes[1] << 8) |
((long)bytes[2] << 16) | ((long)bytes[3] << 24);
}
int main()
{
FILE *in, *idx_out, *desc_out;
struct word w;
char buf[10000];
long cur_offset = 0;
in = fopen("dict.preparsed", "r");
idx_out = fopen("dict.index", "wb");
desc_out = fopen("dict.desc", "wb");
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 = long_to_big_endian(&cur_offset);
fwrite(&w, sizeof(struct word), 1, idx_out);
while (1)
{
int len = strlen(desc);
cur_offset += len;
fwrite(desc, len, 1, desc_out);
desc = strtok(NULL, "\t");
if (desc == NULL)
break ;
cur_offset++;
fwrite("\n", 1, 1, desc_out);
}
}
return 0;
}