X-Git-Url: https://git.draconx.ca/gitweb/liblbx.git/blobdiff_plain/298b3d46b2dc1b2fc7cd7c54c8904c6299bb6400..5749c5e97a8b984720cef75f328944270874d713:/src/lbxtool.c

diff --git a/src/lbxtool.c b/src/lbxtool.c
index f9a17d1..1c32ef4 100644
--- a/src/lbxtool.c
+++ b/src/lbxtool.c
@@ -1,14 +1,43 @@
-#define _GNU_SOURCE
+/*
+ *  2ooM: The Master of Orion II Reverse Engineering Project
+ *  Simple command-line tool to extract LBX archive files.
+ *  Copyright © 2006-2011, 2013 Nick Bowler
+ *
+ *  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 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <config.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
+#include <errno.h>
 #include <getopt.h>
+#include <fnmatch.h>
 
+#include "tools.h"
 #include "lbx.h"
+#include "error.h"
 
-static const char *progname;
-#define errmsg(fmt, ...) (\
-	fprintf(stderr, "%s: " fmt ": %m.\n", progname, __VA_ARGS__)\
-)
+static void printusage(void)
+{
+	puts("usage: lbxtool [-l|-x] [-v] [-f path] [file ...]");
+}
+
+static void printhelp(void)
+{
+	printusage();
+	puts("For now, see the man page for detailed help.");
+}
 
 enum {
 	MODE_NONE,
@@ -16,23 +45,158 @@ enum {
 	MODE_EXTRACT,
 };
 
+int filematch(char **argv, const char *name)
+{
+	int i;
+
+	for (i = 0; argv[i]; i++) {
+		switch(fnmatch(argv[i], name, 0)) {
+		case 0:
+			return 0;
+		case FNM_NOMATCH:
+			break;
+		default:
+			errmsg("error matching glob: %s.\n", argv[i]);
+			return 1;
+		}
+	}
+
+	return i ? -1: 0;
+}
+
+int list(struct lbx *lbx, int verbose, char **argv)
+{
+	unsigned int i;
+
+	if (verbose) {
+		printf("Files in archive: %u\n", lbx->nfiles);
+	}
+
+	for (i = 0; i < lbx->nfiles; i++) {
+		struct lbx_statbuf stat;
+
+		lbx_file_stat(lbx, i, &stat);
+
+		switch (filematch(argv, stat.name)) {
+		case -1: continue;
+		case  0: break;
+		default: return EXIT_FAILURE;
+		}
+
+		printf("%s", stat.name);
+		if (verbose) {
+			printf(" size=%zu bytes", stat.size);
+		}
+
+		putchar('\n');
+	}
+
+	return EXIT_SUCCESS;
+}
+
+int extract_file(LBXfile *f, const struct lbx_statbuf *stat)
+{
+	int ret = -1;
+	size_t rc;
+	FILE *of;
+
+	of = fopen(stat->name, "wb");
+	if (!of) {
+		errmsg("%s: fopen: %s\n",
+			stat->name, strerror(errno));
+		return -1;
+	}
+
+	while (1) {
+		unsigned char buf[1024];
+
+		rc = lbx_file_read(f, buf, sizeof buf);
+		if (rc == 0) {
+			if (lbx_file_eof(f))
+				ret = 0;
+			break;
+		}
+
+		if (fwrite(buf, rc, 1, of) != 1) {
+			errmsg("%s: fwrite: %s\n", stat->name, strerror(errno));
+			break;
+		}
+
+		if (rc < sizeof buf) {
+			if (lbx_file_eof(f))
+				ret = 0;
+			break;
+		}
+	}
+
+	if (fclose(of) == EOF) {
+		errmsg("%s: fclose: %s\n", stat->name, strerror(errno));
+		return -1;
+	}
+
+	return ret;
+}
+
+int extract(struct lbx *lbx, int verbose, char **argv)
+{
+	unsigned int i;
+
+	if (verbose) {
+		printf("Files in archive: %u\n", lbx->nfiles);
+	}
+
+	for (i = 0; i < lbx->nfiles; i++) {
+		struct lbx_statbuf stat;
+		LBXfile *file;
+
+		lbx_file_stat(lbx, i, &stat);
+
+		switch (filematch(argv, stat.name)) {
+		case -1: continue;
+		case  0: break;
+		default: return EXIT_FAILURE;
+		}
+
+		file = lbx_file_open(lbx, i);
+		if (!file) {
+			errmsg("%s: %s.\n", stat.name, lbx_errmsg());
+			continue;
+		}
+
+		if (extract_file(file, &stat) == -1)
+			return EXIT_FAILURE;
+		lbx_file_close(file);
+	}
+
+	return EXIT_SUCCESS;
+}
+
 int main(int argc, char **argv)
 {
-	int mode = MODE_NONE;
-	FILE *f  = stdin;
-	int opt;
+	int mode = MODE_NONE, verbose = 0, opt, rc = EXIT_FAILURE;
+	struct lbx_pipe_state stdin_handle = { .f = stdin };
+	const char *file = NULL;
+	struct lbx *lbx;
 
-	struct option longopts[] = {
+	static const char         *sopts   = "lxf:i:vV";
+	static const struct option lopts[] = {
 		{ "list",    0, NULL, 'l' },
 		{ "extract", 0, NULL, 'x' },
 
 		{ "file",    1, NULL, 'f' },
+		{ "index",   1, NULL, 'i' },
+
+		{ "verbose", 0, NULL, 'v' },
+
+		{ "version", 0, NULL, 'V' },
+		{ "usage",   0, NULL, 'U' },
+		{ "help",    0, NULL, 'H' },
 
 		{ 0 }
 	};
 
-	progname = argv[0];
-	while ((opt = getopt_long(argc, argv, "lxf:", longopts, NULL)) != -1) {
+	tool_init("lbxtool", argc, argv);
+	while ((opt = getopt_long(argc, argv, sopts, lopts, NULL)) != -1) {
 		switch(opt) {
 		case 'l':
 			mode = MODE_LIST;
@@ -41,19 +205,49 @@ int main(int argc, char **argv)
 			mode = MODE_EXTRACT;
 			break;
 		case 'f':
-			f = fopen(optarg, "rb");
-			if (!f) {
-				errmsg("failed to open file", 0, 4);
-				return EXIT_FAILURE;
-			}
+			file = optarg;
+			break;
+		case 'i':
+			/* FIXME: Add index file support. */
+			break;
+		case 'v':
+			verbose = 1;
 			break;
+		case 'V':
+			tool_version();
+			return EXIT_SUCCESS;
+		case 'U':
+			printusage();
+			return EXIT_SUCCESS;
+		case 'H':
+			printhelp();
+			return EXIT_SUCCESS;
 		default:
 			return EXIT_FAILURE;
 		}
 	}
 
-	if (mode == MODE_NONE) {
-		fprintf(stderr, "%s: you must specify a mode.\n", progname);
+	if (file)
+		lbx = lbx_fopen(file);
+	else
+		lbx = lbx_open(&stdin_handle, &lbx_pipe_fops, NULL, "stdin");
+
+	if (!lbx) {
+		errmsg("%s: %s.\n", file ? file : "stdin", lbx_errmsg());
 		return EXIT_FAILURE;
 	}
+
+	switch (mode) {
+	case MODE_LIST:
+		rc = list(lbx, verbose, &argv[optind]);
+		break;
+	case MODE_EXTRACT:
+		rc = extract(lbx, verbose, &argv[optind]);
+		break;
+	default:
+		errmsg("you must specify a mode.\n", 0);
+	}
+
+	lbx_close(lbx);
+	return rc;
 }