eb/samples/appendix.c
2016-10-28 20:02:30 -07:00

141 lines
4.6 KiB
C

/* -*- C -*-
* Copyright (c) 2003-2006 Motoyuki Kasahara
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* 使用方法:
* font <appendix-path> <subbook-index>
* 例:
* font /cdrom 0
* 説明:
* <appendix-path> で指定した appendix から特定の副本を選び、そ
* の副本が定義している半角外字の代替文字列をすべて表示します。
*
* その appendix が、半角外字の代替文字列を定義していないと、エ
* ラーになります。
*
* <subbook-index> には、操作対象の副本のインデックスを指定しま
* す。インデックスは、書籍の最初の副本から順に 0、1、2 ... に
* なります。
*/
#include <stdio.h>
#include <stdlib.h>
#include <eb/eb.h>
#include <eb/error.h>
#include <eb/appendix.h>
int
main(int argc, char *argv[])
{
EB_Error_Code error_code;
EB_Appendix app;
EB_Subbook_Code subbook_list[EB_MAX_SUBBOOKS];
int subbook_count;
int subbook_index;
int alt_start;
char text[EB_MAX_ALTERNATION_TEXT_LENGTH + 1];
int i;
/* コマンド行引数をチェック。*/
if (argc != 3) {
fprintf(stderr, "Usage: %s appendix-path subbook-index\n",
argv[0]);
exit(1);
}
/* EB ライブラリと `app' を初期化。*/
eb_initialize_library();
eb_initialize_appendix(&app);
/* appendix を `app' に結び付ける。*/
error_code = eb_bind_appendix(&app, argv[1]);
if (error_code != EB_SUCCESS) {
fprintf(stderr, "%s: failed to bind the app, %s: %s\n",
argv[0], eb_error_message(error_code), argv[1]);
goto die;
}
/* 副本の一覧を取得。*/
error_code = eb_appendix_subbook_list(&app, subbook_list,
&subbook_count);
if (error_code != EB_SUCCESS) {
fprintf(stderr, "%s: failed to get the subbook list, %s\n",
argv[0], eb_error_message(error_code));
goto die;
}
/* 副本のインデックスを取得。*/
subbook_index = atoi(argv[2]);
/*「現在の副本 (current subbook)」を設定。*/
if (eb_set_appendix_subbook(&app, subbook_list[subbook_index])
< 0) {
fprintf(stderr, "%s: failed to set the current subbook, %s\n",
argv[0], eb_error_message(error_code));
goto die;
}
/* 外字の開始位置を取得。*/
error_code = eb_narrow_alt_start(&app, &alt_start);
if (error_code != EB_SUCCESS) {
fprintf(stderr, "%s: failed to get font information, %s\n",
argv[0], eb_error_message(error_code));
goto die;
}
i = alt_start;
for (;;) {
/* 外字の代替文字列を取得。*/
error_code = eb_narrow_alt_character_text(&app, i, text);
if (error_code != EB_SUCCESS) {
fprintf(stderr, "%s: failed to get font data, %s\n",
argv[0], eb_error_message(error_code));
goto die;
}
/* 取得した代替文字列を出力。*/
printf("%04x: %s\n", i, text);
/* 外字の文字番号を一つ進める。*/
error_code = eb_forward_narrow_alt_character(&app, 1, &i);
if (error_code != EB_SUCCESS)
break;
}
/* appendix と EB ライブラリの利用を終了。*/
eb_finalize_appendix(&app);
eb_finalize_library();
exit(0);
/* エラー発生で終了するときの処理。*/
die:
eb_finalize_appendix(&app);
eb_finalize_library();
exit(1);
}