116 lines
3.0 KiB
C
116 lines
3.0 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2005 Miika Pekkarinen
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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/*
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This tool converts the rdf file to the binary data used in the dict plugin.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <string.h>
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#include <stdio.h>
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/* maximum word lenght, has to be the same in dict.c */
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#define WORDLEN 32
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/* struckt packing */
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#ifdef __GNUC__
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#define STRUCT_PACKED __attribute__((packed))
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#else
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#define STRUCT_PACKED
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#pragma pack (push, 2)
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#endif
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struct word
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{
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char word[WORDLEN];
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long offset;
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} STRUCT_PACKED;
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/* convert offsets here, not on device. */
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long reverse (long N) {
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unsigned char B[4];
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B[0] = (N & 0x000000FF) >> 0;
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B[1] = (N & 0x0000FF00) >> 8;
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B[2] = (N & 0x00FF0000) >> 16;
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B[3] = (N & 0xFF000000) >> 24;
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return ((B[0] << 24) | (B[1] << 16) | (B[2] << 8) | (B[3] << 0));
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}
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int main()
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{
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FILE *in, *idx_out, *desc_out;
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struct word w;
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char buf[10000];
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long cur_offset = 0;
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in = fopen("dict.preparsed", "r");
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idx_out = fopen("dict.index", "wb");
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desc_out = fopen("dict.desc", "wb");
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if (in == NULL || idx_out == NULL || desc_out == NULL)
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{
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fprintf(stderr, "Error: Some files couldn't be opened\n");
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return 1;
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}
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while (fgets(buf, sizeof buf, in) != NULL)
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{
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/* It is safe to use strtok here */
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const char *word = strtok(buf, "\t");
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const char *desc = strtok(NULL, "\t");
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if (word == NULL || desc == NULL)
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{
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fprintf(stderr, "Parse error!\n");
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fprintf(stderr, "word: %s\ndesc: %s\n", word, desc);
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return 2;
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}
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/* We will null-terminate the words */
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strncpy(w.word, word, WORDLEN - 1);
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w.offset = reverse(cur_offset);
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fwrite(&w, sizeof(struct word), 1, idx_out);
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while (1)
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{
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int len = strlen(desc);
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cur_offset += len;
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fwrite(desc, len, 1, desc_out);
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desc = strtok(NULL, "\t");
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if (desc == NULL)
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break ;
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cur_offset++;
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fwrite("\n", 1, 1, desc_out);
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}
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}
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return 0;
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}
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