X-Git-Url: https://git.draconx.ca/gitweb/liblbx.git/blobdiff_plain/c907294abea66bfa9739fcd6a08415f4ea1142f8..ff5bd81012bba4202487c9a5bf7649bd63ca4bae:/src/lbxtool.c

diff --git a/src/lbxtool.c b/src/lbxtool.c
index 96c8ddd..47ee37b 100644
--- a/src/lbxtool.c
+++ b/src/lbxtool.c
@@ -1,11 +1,42 @@
+/*
+ *  2ooM: The Master of Orion II Reverse Engineering Project
+ *  Simple command-line tool to extract LBX archive files.
+ *  Copyright (C) 2006-2008 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/>.
+ */
 #define _GNU_SOURCE
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <getopt.h>
+#include <fnmatch.h>
 
+#include "tools.h"
 #include "lbx.h"
 
+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.");
+}
+
 static const char *progname;
 #define errmsg(fmt, ...) (\
 	fprintf(stderr, "%s: " fmt, progname, __VA_ARGS__)\
@@ -17,18 +48,120 @@ enum {
 	MODE_EXTRACT,
 };
 
-int list(FILE *f, const char *name, int verbose) {
-	LBX *lbx = lbx_fopen(f, name);
+int filematch(char **argv, const char *name)
+{
+	int rc, 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(FILE *f, const char *name, int verbose, char **argv) {
+	LBX *lbx;
+	size_t nfiles;
+	unsigned int i;
+
+	lbx = lbx_fopen(f, name);
+	if (!lbx) {
+		errmsg("failed to open archive: %s.\n", lbx_strerror());
+		return EXIT_FAILURE;
+	}
+
+	nfiles = lbx_numfiles(lbx);
+	if (verbose) {
+		printf("Files in archive: %zu\n", nfiles);
+	}
+
+	for (i = 0; i < nfiles; i++) {
+		struct lbx_statbuf stat;
+
+		lbx_stat(lbx, i, &stat);
+
+		switch (filematch(argv, stat.name)) {
+		case -1: continue;
+		case  0: break;
+		default: goto err;
+		}
+
+		printf("%s", stat.name);
+		if (verbose) {
+			printf(" size=%zu bytes", stat.size);
+		}
+
+		putchar('\n');
+	}
+
+	lbx_close(lbx);
+	return EXIT_SUCCESS;
+err:
+	lbx_close(lbx);
+	return EXIT_FAILURE;
+}
+
+int extract(FILE *f, const char *name, int verbose, char **argv) {
+	LBX *lbx;
+	size_t nfiles;
+	unsigned int i;
+
+	lbx = lbx_fopen(f, name);
 	if (!lbx) {
 		errmsg("failed to open archive: %s.\n", lbx_strerror());
 		return EXIT_FAILURE;
 	}
 
+	nfiles = lbx_numfiles(lbx);
 	if (verbose) {
-		printf("Files in archive: %zd\n", lbx_numfiles(lbx));
+		printf("Files in archive: %zu\n", nfiles);
+	}
+
+	for (i = 0; i < nfiles; i++) {
+		struct lbx_statbuf stat;
+		size_t rc;
+		FILE *of;
+		int j;
+
+		lbx_stat(lbx, i, &stat);
+
+		switch (filematch(argv, stat.name)) {
+		case -1: continue;
+		case  0: break;
+		default: goto err;
+		}
+
+		of = fopen(stat.name, "wbx");
+		if (!of) {
+			errmsg("failed to create output file %s: %m.\n",
+			                                     stat.name);
+			goto err;
+		}
+
+		if (verbose) printf("extracting %s...\n", stat.name);
+		rc = lbx_extract(lbx, i, of);
+		if (rc < stat.size) {
+			if (rc == 0) remove(stat.name);
+			errmsg("error extracting %s: %s.\n",
+			       stat.name, lbx_strerror());
+			goto err;
+		}
+		if (verbose) printf("wrote %zu bytes.\n", rc);
 	}
 
 	lbx_close(lbx);
+	return EXIT_SUCCESS;
+err:
+	lbx_close(lbx);
+	return EXIT_FAILURE;
 }
 
 int main(int argc, char **argv)
@@ -38,7 +171,7 @@ int main(int argc, char **argv)
 	FILE *f  = stdin;
 	int opt;
 
-	static const char         *sopts   = "lxf:i:v";
+	static const char         *sopts   = "lxf:i:vV";
 	static const struct option lopts[] = {
 		{ "list",    0, NULL, 'l' },
 		{ "extract", 0, NULL, 'x' },
@@ -48,6 +181,10 @@ int main(int argc, char **argv)
 
 		{ "verbose", 0, NULL, 'v' },
 
+		{ "version", 0, NULL, 'V' },
+		{ "usage",   0, NULL, 'U' },
+		{ "help",    0, NULL, 'H' },
+
 		{ 0 }
 	};
 
@@ -79,6 +216,15 @@ int main(int argc, char **argv)
 		case 'v':
 			verbose = 1;
 			break;
+		case 'V':
+			puts(VERSION_BOILERPLATE("lbxtool"));
+			return EXIT_SUCCESS;
+		case 'U':
+			printusage();
+			return EXIT_SUCCESS;
+		case 'H':
+			printhelp();
+			return EXIT_SUCCESS;
 		default:
 			return EXIT_FAILURE;
 		}
@@ -86,9 +232,9 @@ int main(int argc, char **argv)
 
 	switch (mode) {
 	case MODE_LIST:
-		return list(f, name, verbose);
+		return list(f, name, verbose, &argv[optind]);
 	case MODE_EXTRACT:
-		return EXIT_SUCCESS;
+		return extract(f, name, verbose, &argv[optind]);
 	}
 
 	fprintf(stderr, "%s: you must specify a mode.\n", progname);