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/*
* ファイルをまとめて辞書ファイルを生成する
*
* デフォルトではひとつ上のディレクトリ「..」に各ファイルの
* パス名を付けるが、このコマンドに対する -p オプションで
* 変更することができる。
*
* entry_num個のファイルに対して
* 0: entry_num ファイルの個数
* 1: 各ファイルの情報
* n * 3 : name_offset
* n * 3 + 1: strlen(key)
* n * 3 + 2: contents_offset
* [name_of_section]*entry_num
* : 各ファイルの名前
* [file]*entry_num
* : 各ファイルの内容
*
* Copyright (C) 2005-2006 YOSHIDA Yuichi
* Copyright (C) 2006-2007 TABATA Yusuke
*
*/
/*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <anthy/xstr.h>
#include <anthy/diclib.h>
#define SECTION_ALIGNMENT 64
#define DIC_NAME "anthy.dic"
struct header_entry {
const char* key;
const char* file_name;
};
static void
write_nl(FILE* fp, int i)
{
i = anthy_dic_htonl(i);
fwrite(&i, sizeof(int), 1, fp);
}
/** ファイルのサイズを取得する */
static int
get_file_size(const char* fn)
{
struct stat st;
if (stat(fn, &st) < 0) {
return -1;
}
return (st.st_size + SECTION_ALIGNMENT - 1) & (-SECTION_ALIGNMENT);
}
static char *
get_file_name(const char *prefix, struct header_entry* entry)
{
char *fn = malloc(strlen(prefix) + strlen(entry->file_name) + 4);
sprintf(fn, "%s/%s", prefix, entry->file_name);
return fn;
}
static int
write_header(FILE* fp, const char *prefix,
int entry_num, struct header_entry* entries)
{
int i;
int name_offset;
int contents_offset;
name_offset = sizeof(int) * (1 + entry_num * 3);
contents_offset = name_offset;
for (i = 0; i < entry_num; ++i) {
contents_offset += strlen(entries[i].key);
}
contents_offset =
(contents_offset + SECTION_ALIGNMENT - 1) & (-SECTION_ALIGNMENT);
/* ファイルの数 */
write_nl(fp, entry_num);
/* 各ファイルの場所を出力する */
for (i = 0; i < entry_num; ++i) {
char *fn = get_file_name(prefix, &entries[i]);
int file_size = get_file_size(fn);
if (file_size == -1) {
fprintf(stderr, "failed to get file size of (%s).\n",
fn);
free(fn);
return -1;
}
free(fn);
/**/
write_nl(fp, name_offset);
write_nl(fp, strlen(entries[i].key));
write_nl(fp, contents_offset);
/**/
name_offset += strlen(entries[i].key);
contents_offset += file_size;
}
/* 各ファイルの名前を出力する */
for (i = 0; i < entry_num; ++i) {
fprintf(fp, "%s", entries[i].key);
}
return 0;
}
static void
copy_file(FILE *in, FILE *out)
{
int i;
size_t nread;
char buf[BUFSIZ];
/* Pad OUT to the next aligned offset. */
for (i = ftell (out); i & (SECTION_ALIGNMENT - 1); i++) {
fputc (0, out);
}
/* Copy the contents. */
rewind(in);
while ((nread = fread (buf, 1, sizeof buf, in)) > 0) {
if (fwrite (buf, 1, nread, out) < nread) {
exit (1);
}
}
}
static void
write_contents(FILE* fp, const char *prefix,
int entry_num, struct header_entry* entries)
{
int i;
for (i = 0; i < entry_num; ++i) {
FILE* in_fp;
char *fn = get_file_name(prefix, &entries[i]);
in_fp = fopen(fn, "r");
if (in_fp == NULL) {
printf("failed to open %s\n", fn);
free(fn);
break;
}
printf(" copying %s (%s)\n", fn, entries[i].key);
free(fn);
copy_file(in_fp, fp);
fclose(in_fp);
}
}
static void
create_file_dic(const char* fn, const char *prefix,
int entry_num, struct header_entry* entries)
{
FILE* fp = fopen(fn, "w");
int res;
if (!fp) {
fprintf(stderr, "failed to open file dictionary file (%s).\n", fn);
exit(1);
}
/* ヘッダを書き出す */
res = write_header(fp, prefix, entry_num, entries);
if (res) {
exit(1);
}
/* ファイルの中身を書き出す */
write_contents(fp, prefix, entry_num, entries);
fclose(fp);
}
int
main(int argc, char* argv[])
{
int i;
const char *prefix = "..";
const char *prev_arg = "";
struct header_entry entries[] = {
{"word_dic", "/mkworddic/anthy.wdic"},
{"dep_dic", "/depgraph/anthy.dep"},
{"trans_info", "/calctrans/anthy.trans_info"},
{"cand_info", "/calctrans/anthy.cand_info"},
{"weak_words", "/calctrans/anthy.weak_words"},
{"corpus_bucket", "/calctrans/anthy.corpus_bucket"},
{"corpus_array", "/calctrans/anthy.corpus_array"},
};
for (i = 1; i < argc; i++) {
if (!strcmp("-p", prev_arg)) {
prefix = argv[i];
}
/**/
prev_arg = argv[i];
}
printf("file name prefix=[%s] you can change this by -p option.\n", prefix);
create_file_dic(DIC_NAME, prefix,
sizeof(entries)/sizeof(struct header_entry),
entries);
printf("%s done.\n", argv[0]);
return 0;
}
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