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eb/ebzip/ebzip.c
Alex Yatskov 5497a76516 Initial commit
2016-10-28 20:02:30 -07:00

571 lines
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C
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/* -*- C -*-
* Copyright (c) 1998-2006 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.
*/
#include "ebzip.h"
#include "ebutils.h"
#if defined(DOS_FILE_PATH) && defined(HAVE_MBSTRING_H)
/* a path may contain double-byte chars in SJIS. */
#include <mbstring.h>
#define strchr _mbschr
#define strrchr _mbsrchr
#endif
/*
* Program name and version.
*/
const char *program_name = "ebzip";
const char *program_version = VERSION;
const char *invoked_name;
/*
* Command line options.
*/
static const char *short_options = "fhikl:no:qs:S:tT:uvw:z";
static struct option long_options[] = {
{"force-overwrite", no_argument, NULL, 'f'},
{"help", no_argument, NULL, 'h'},
{"information", no_argument, NULL, 'i'},
{"keep", no_argument, NULL, 'k'},
{"level", required_argument, NULL, 'l'},
{"no-overwrite", no_argument, NULL, 'n'},
{"output-directory", required_argument, NULL, 'o'},
{"quiet", no_argument, NULL, 'q'},
{"silent", no_argument, NULL, 'q'},
{"skip-content", required_argument, NULL, 's'},
{"subbook", required_argument, NULL, 'S'},
{"test", no_argument, NULL, 't'},
{"uncompress", no_argument, NULL, 'u'},
{"version", no_argument, NULL, 'v'},
{"overwrite", required_argument, NULL, 'w'},
{"compress", no_argument, NULL, 'z'},
{NULL, 0, NULL, 0}
};
/*
* Zip level.
*/
int ebzip_level = EBZIP_DEFAULT_LEVEL;
/*
* Keep mode flag.
*/
int ebzip_keep_flag = EBZIP_DEFAULT_KEEP;
/*
* Quiet mode flag.
*/
int ebzip_quiet_flag = EBZIP_DEFAULT_QUIET;
/*
* Test mode flag.
*/
int ebzip_test_flag = EBZIP_DEFAULT_TEST;
/*
* Overwrite mode.
*/
int ebzip_overwrite_mode = EBZIP_DEFAULT_OVERWRITE;
/*
* Target contents.
*/
int ebzip_skip_flag_font = EBZIP_DEFAULT_SKIP_FONT;
int ebzip_skip_flag_graphic = EBZIP_DEFAULT_SKIP_GRAPHIC;
int ebzip_skip_flag_movie = EBZIP_DEFAULT_SKIP_MOVIE;
int ebzip_skip_flag_sound = EBZIP_DEFAULT_SKIP_SOUND;
/*
* List of files to be unlinked.
*/
String_List unlinking_files;
/*
* Operation modes.
*/
#define EBZIP_ACTION_ZIP 0
#define EBZIP_ACTION_UNZIP 1
#define EBZIP_ACTION_INFO 2
static int action_mode = EBZIP_ACTION_ZIP;
/*
* A list of subbook names to be compressed/uncompressed.
*/
static char
subbook_name_list[EB_MAX_SUBBOOKS][EB_MAX_DIRECTORY_NAME_LENGTH + 1];
static int subbook_name_count = 0;
/*
* Unexported functions.
*/
static int parse_zip_level(const char *argument, int *zip_level);
static int parse_skip_content_argument(const char *argument);
static void output_help(void);
int
main(int argc, char *argv[])
{
EB_Error_Code error_code;
char out_top_path[PATH_MAX + 1];
char book_path[PATH_MAX + 1];
int ch;
char *last_slash, *last_backslash;
char *invoked_base_name;
invoked_name = argv[0];
strcpy(out_top_path, EBZIP_DEFAULT_OUTPUT_DIRECTORY);
/*
* Initialize locale data.
*/
#ifdef ENABLE_NLS
#ifdef HAVE_SETLOCALE
setlocale(LC_ALL, "");
#endif
bindtextdomain(TEXT_DOMAIN_NAME, LOCALEDIR);
textdomain(TEXT_DOMAIN_NAME);
#endif
/*
* Determine the default action.
*/
last_slash = strrchr(argv[0], '/');
#ifndef DOS_FILE_PATH
last_backslash = NULL;
#else
last_backslash = strrchr(argv[0], '\\');
#endif
if (last_slash == NULL && last_backslash == NULL)
invoked_base_name = argv[0];
else if (last_slash == NULL)
invoked_base_name = last_backslash + 1;
else if (last_backslash == NULL)
invoked_base_name = last_slash + 1;
else if (last_slash < last_backslash)
invoked_base_name = last_backslash + 1;
else
invoked_base_name = last_slash + 1;
#ifndef EXEEXT_EXE
if (strcmp(invoked_base_name, "ebunzip") == 0)
action_mode = EBZIP_ACTION_UNZIP;
else if (strcmp(invoked_base_name, "ebzipinfo") == 0)
action_mode = EBZIP_ACTION_INFO;
#else /* EXEEXT_EXE */
if (strcasecmp(invoked_base_name, "ebunzip") == 0
|| strcasecmp(invoked_base_name, "ebunzip.exe") == 0) {
action_mode = EBZIP_ACTION_UNZIP;
} else if (strcasecmp(invoked_base_name, "ebzipinfo") == 0
|| strcasecmp(invoked_base_name, "ebzipinfo.exe") == 0
|| strcasecmp(invoked_base_name, "ebzipinf") == 0
|| strcasecmp(invoked_base_name, "ebzipinf.exe") == 0) {
action_mode = EBZIP_ACTION_INFO;
}
#endif /* EXEEXT_EXE */
/*
* Set overwrite mode.
*/
if (!isatty(0))
ebzip_overwrite_mode = EBZIP_OVERWRITE_NO;
/*
* Initialize list of files to be unlinked.
*/
string_list_initialize(&unlinking_files);
/*
* Initialize EB Library.
*/
error_code = eb_initialize_library();
if (error_code != EB_SUCCESS) {
fprintf(stderr, "%s: %s\n", invoked_name,
eb_error_message(error_code));
goto die;
}
/*
* Parse command line options.
*/
for (;;) {
ch = getopt_long(argc, argv, short_options, long_options, NULL);
if (ch == -1)
break;
switch (ch) {
case 'f':
/*
* Obsolete option `-f'. Set `force' to the overwrite flag.
*/
ebzip_overwrite_mode = EBZIP_OVERWRITE_FORCE;
break;
case 'h':
/*
* Option `-h'. Display help message, then exit.
*/
output_help();
exit(0);
case 'i':
/*
* Option `-i'. Information mode.
*/
action_mode = EBZIP_ACTION_INFO;
break;
case 'k':
/*
* Option `-k'. Keep (don't delete) input files.
*/
ebzip_keep_flag = 1;
break;
case 'l':
/*
* Option `-l'. Specify compression level.
*/
if (parse_zip_level(optarg, &ebzip_level) < 0)
exit(1);
break;
case 'n':
/*
* Obsolete option `-n'. Set `no' to the overwrite flag.
*/
ebzip_overwrite_mode = EBZIP_OVERWRITE_NO;
break;
case 'o':
/*
* Option `-o'. Output files under DIRECOTRY.
* The length of the file name
* "<out_top_path>/subdir/subsubdir/file.ebz;1"
* must not exceed PATH_MAX.
*/
if (PATH_MAX < strlen(optarg)) {
fprintf(stderr, _("%s: too long output directory path\n"),
invoked_name);
exit(1);
}
strcpy(out_top_path, optarg);
canonicalize_path(out_top_path);
if (PATH_MAX < strlen(out_top_path) + 1
+ EB_MAX_DIRECTORY_NAME_LENGTH + 1
+ EB_MAX_DIRECTORY_NAME_LENGTH + 1
+ EB_MAX_FILE_NAME_LENGTH) {
fprintf(stderr, _("%s: too long output directory path\n"),
invoked_name);
goto die;
}
break;
case 'q':
/*
* Option `-q'. Set quiet flag.
*/
ebzip_quiet_flag = 1;
break;
case 's':
/*
* Option `-s'. Specify content type to be skipped.
*/
if (parse_skip_content_argument(optarg) < 0)
exit(1);
break;
case 'S':
/*
* Option `-S'. Specify target subbooks.
*/
if (parse_subbook_name_argument(invoked_name, optarg,
subbook_name_list, &subbook_name_count) < 0)
exit(1);
break;
case 't':
/*
* Option `-t'. Set test mode.
*/
ebzip_test_flag = 1;
break;
case 'u':
/*
* Option `-u'. Decompression mode.
*/
action_mode = EBZIP_ACTION_UNZIP;
break;
case 'v':
/*
* Option `-v'. Display version number, then exit.
*/
output_version(program_name, program_version);
exit(0);
case 'w':
/*
* Option `-w'. Set overwrite mode.
*/
if (strcasecmp(optarg, "confirm") == 0)
ebzip_overwrite_mode = EBZIP_OVERWRITE_CONFIRM;
else if (strcasecmp(optarg, "force") == 0)
ebzip_overwrite_mode = EBZIP_OVERWRITE_FORCE;
else if (strcasecmp(optarg, "no") == 0)
ebzip_overwrite_mode = EBZIP_OVERWRITE_NO;
else {
fprintf(stderr, _("%s: invalid overwrite mode: %s\n"),
invoked_name, optarg);
output_try_help(invoked_name);
goto die;
}
break;
case 'z':
/*
* Option `-z'. Compression mode.
*/
action_mode = EBZIP_ACTION_ZIP;
break;
default:
output_try_help(invoked_name);
goto die;
}
}
/*
* Check the number of rest arguments.
*/
if (1 < argc - optind) {
fprintf(stderr, _("%s: too many arguments\n"), invoked_name);
output_try_help(invoked_name);
goto die;
}
/*
* Set a book path.
*/
if (argc == optind)
strcpy(book_path, EBZIP_DEFAULT_BOOK_DIRECTORY);
else
strcpy(book_path, argv[optind]);
if (is_ebnet_url(book_path)) {
fprintf(stderr, "%s: %s\n", invoked_name,
eb_error_message(EB_ERR_EBNET_UNSUPPORTED));
goto die;
}
canonicalize_path(book_path);
/*
* Compress the book.
*/
switch (action_mode) {
case EBZIP_ACTION_ZIP:
if (ebzip_zip_book(out_top_path, book_path, subbook_name_list,
subbook_name_count) < 0) {
goto die;
}
break;
case EBZIP_ACTION_UNZIP:
if (ebzip_unzip_book(out_top_path, book_path, subbook_name_list,
subbook_name_count) < 0) {
goto die;
}
break;
case EBZIP_ACTION_INFO:
if (ebzip_zipinfo_book(book_path, subbook_name_list,
subbook_name_count) < 0) {
goto die;
}
break;
}
eb_finalize_library();
unlink_files();
string_list_finalize(&unlinking_files);
return 0;
/*
* A critical error occurs...
*/
die:
eb_finalize_library();
exit(1);
}
/*
* Parse an argument to option `--level (-l)'.
* If the argument is valid form, 0 is returned.
* Otherwise -1 is returned.
*/
static int
parse_zip_level(const char *argument, int *zip_level)
{
char *end_p;
int level;
level = (int)strtol(argument, &end_p, 10);
if (!ASCII_ISDIGIT(*argument) || *end_p != '\0'
|| level < 0 || ZIO_MAX_EBZIP_LEVEL < level) {
fprintf(stderr, _("%s: invalid compression level `%s'\n"),
invoked_name, argument);
fflush(stderr);
return -1;
}
*zip_level = level;
return 0;
}
/*
* Parse an argument to option `--skip-content (-S)'.
* If the argument is valid form, 0 is returned.
* Otherwise -1 is returned.
*/
static int
parse_skip_content_argument(const char *argument)
{
const char *argument_p = argument;
char name[EB_MAX_DIRECTORY_NAME_LENGTH + 1];
char *name_p;
int i;
while (*argument_p != '\0') {
/*
* Take a next element in the argument.
*/
i = 0;
name_p = name;
while (*argument_p != ',' && *argument_p != '\0'
&& i < EB_MAX_DIRECTORY_NAME_LENGTH) {
*name_p = ASCII_TOLOWER(*argument_p);
i++;
name_p++;
argument_p++;
}
*name_p = '\0';
if (*argument_p == ',')
argument_p++;
else if (*argument_p != '\0') {
fprintf(stderr, _("%s: invalid content name `%s'\n"),
invoked_name, name);
fflush(stderr);
return -1;
}
/*
* If the font name is not found in `font_list', it is added to
* the list.
*/
if (strcasecmp(name, "font") == 0) {
ebzip_skip_flag_font = 1;
} else if (strcasecmp(name, "sound") == 0) {
ebzip_skip_flag_sound = 1;
} else if (strcasecmp(name, "graphic") == 0) {
ebzip_skip_flag_graphic = 1;
} else if (strcasecmp(name, "movie") == 0) {
ebzip_skip_flag_movie = 1;
} else {
fprintf(stderr, _("%s: invalid content name `%s'\n"),
invoked_name, name);
fflush(stderr);
return -1;
}
}
return 0;
}
/*
* Output help message to stdandard out.
*/
static void
output_help(void)
{
printf(_("Usage: %s [option...] [book-directory]\n"), program_name);
printf(_("Options:\n"));
printf(_(" -f --force-overwrite set overwrite mode to `force'\n"));
printf(_(" (same as `--overwrite force')\n"));
printf(_(" -h --help display this help, then exit\n"));
printf(_(" -i --information list information of compressed files\n"));
printf(_(" -k --keep don't delete original files\n"));
printf(_(" -l INTEGER --level INTEGER\n"));
printf(_(" compression level; 0..%d\n"),
ZIO_MAX_EBZIP_LEVEL);
printf(_(" (default: %d)\n"),
EBZIP_DEFAULT_LEVEL);
printf(_(" -n --no-overwrite set overwrite mode to `no'\n"));
printf(_(" (same as `--overwrite no')\n"));
printf(_(" -o DIRECTORY --output-directory DIRECTORY\n"));
printf(_(" ouput files under DIRECTORY\n"));
printf(_(" (default: %s)\n"),
EBZIP_DEFAULT_OUTPUT_DIRECTORY);
printf(_(" -q --quiet --silence suppress all warnings\n"));
printf(_(" -s TYPE[,TYPE] --skip-content TYPE[,TYPE...]\n"));
printf(_(" skip content; font, graphic, sound or movie\n"));
printf(_(" (default: none is skipped)\n"));
printf(_(" -S SUBBOOK[,SUBBOOK...] --subbook SUBBOOK[,SUBBOOK...]\n"));
printf(_(" target subbook\n"));
printf(_(" (default: all subbooks)\n"));
printf(_(" -t --test only check for input files\n"));
printf(_(" -u --uncompress uncompress files\n"));
printf(_(" -v --version display version number, then exit\n"));
printf(_(" -w MODE --overwrite MODE set overwrite mode of output files;\n"));
printf(_(" confirm, force or no\n"));
printf(_(" (default: confirm)\n"));
printf(_(" -z --compress compress files\n"));
printf(_("\nArgument:\n"));
printf(_(" book-directory top directory of a CD-ROM book\n"));
printf(_(" (default: %s)\n"),
EBZIP_DEFAULT_BOOK_DIRECTORY);
printf(_("\nDefault action:\n"));
#ifndef EXEEXT
printf(_(" When invoked as `ebunzip', uncompression is the default action.\n"));
printf(_(" When invoked as `ebzipinfo', listing information is the default action.\n"));
#else
printf(_(" When invoked as `ebunzip.exe', uncompression is the default action.\n"));
printf(_(" When invoked as `ebzipinf.exe', listing information is the default action.\n"));
#endif
printf(_(" Otherwise, compression is the default action.\n"));
printf(_("\nReport bugs to %s.\n"), MAILING_ADDRESS);
fflush(stdout);
}
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