rockbox/tools/rdf2binary.c
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

115 lines
3 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 Miika Pekkarinen
*
* 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.
*
* 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
/* struckt packing */
#ifdef __GNUC__
#define STRUCT_PACKED __attribute__((packed))
#else
#define STRUCT_PACKED
#pragma pack (push, 2)
#endif
struct word
{
char word[WORDLEN];
long offset;
} STRUCT_PACKED;
/* convert offsets here, not on device. */
long reverse (long N) {
unsigned char B[4];
B[0] = (N & 0x000000FF) >> 0;
B[1] = (N & 0x0000FF00) >> 8;
B[2] = (N & 0x00FF0000) >> 16;
B[3] = (N & 0xFF000000) >> 24;
return ((B[0] << 24) | (B[1] << 16) | (B[2] << 8) | (B[3] << 0));
}
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 == NULL || desc_out == NULL)
{
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 = reverse(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;
}