X-Git-Url: https://git.draconx.ca/gitweb/cdecl99.git/blobdiff_plain/9c8633f0258d0750fd81387fe826d4522873cd90..6cc7c1ad6a714b7ea8ae1445e502ec7ce4ecf4ab:/test/crossparse.c

diff --git a/test/crossparse.c b/test/crossparse.c
index f377c38..210714a 100644
--- a/test/crossparse.c
+++ b/test/crossparse.c
@@ -1,7 +1,26 @@
+/*
+ * Test that libcdecl can parse its own output.
+ * Copyright © 2012, 2020 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 <https://www.gnu.org/licenses/>.
+ */
+
 #include <config.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <errno.h>
 #include <stdbool.h>
 #include <getopt.h>
 #include <cdecl.h>
@@ -9,10 +28,11 @@
 
 #define PROGNAME "crossparse"
 static const char *progname = PROGNAME;
-static const char sopts[] = "ECVH";
+static const char sopts[] = "f:ECVH";
 static const struct option lopts[] = {
 	{ "cdecl",   0, NULL, 'C' },
 	{ "english", 0, NULL, 'E' },
+	{ "file",    2, NULL, 'f' },
 	{ "version", 0, NULL, 'V' },
 	{ "help",    0, NULL, 'H' },
 	{ 0 }
@@ -25,8 +45,18 @@ static void print_usage(FILE *f)
 
 static void print_help(void)
 {
+	const struct option *opt;
+
 	print_usage(stdout);
-	puts("Detailed help coming soon.");
+	puts("Test that libcdecl can parse its own output.\n");
+
+	puts("Options:");
+	for (opt = lopts; opt->val; opt++) {
+		int w = print_option_start(opt, NULL);
+
+		if (w)
+			putchar('\n');
+	}
 }
 
 enum {
@@ -103,13 +133,22 @@ out:
 	free(buf1);
 	free(buf2);
 	free(buf3);
+
+	if (!ret) {
+		fprintf(stderr, "%s: failed cross-parse check of: %s\n",
+			        progname, str);
+	}
+
 	return ret;
 }
 
 int main(int argc, char **argv)
 {
 	int opt, mode = MODE_CDECL;
-	int ret = EXIT_FAILURE;
+	int ret = EXIT_SUCCESS;
+
+	const char *filename = NULL;
+	FILE *infile = NULL;
 
 	if (argc > 0)
 		progname = argv[0];
@@ -122,6 +161,10 @@ int main(int argc, char **argv)
 		case 'E':
 			mode = MODE_ENGLISH;
 			break;
+		case 'f':
+			infile = stdin;
+			filename = optarg;
+			break;
 		case 'V':
 			test_print_version(PROGNAME);
 			return EXIT_SUCCESS;
@@ -134,18 +177,35 @@ int main(int argc, char **argv)
 		}
 	}
 
-	if (!argv[optind]) {
-		print_usage(stderr);
-		return EXIT_FAILURE;
-	}
+	if (infile) {
+		char *line = NULL;
+		size_t n;
+
+		if (filename) {
+			infile = fopen(filename, "r");
+			if (!infile) {
+				fprintf(stderr, "%s: %s: %s\n", progname,
+				                filename, strerror(errno));
+				return EXIT_FAILURE;
+			}
+		}
 
-	for (int i = optind; i < argc; i++) {
-		if (!test_crossparse(argv[i], mode)) {
-			fprintf(stderr, "%s: failed cross-parse check of: %s\n",
-			                progname, argv[i]);
-			return EXIT_FAILURE;
+		while (getline(&line, &n, infile) >= 0) {
+			char *c = strchr(line, '\n');
+			if (c)
+				*c = '\0';
+			if (!test_crossparse(line, mode))
+				ret = EXIT_FAILURE;
 		}
+	} else if (argv[optind]) {
+		for (int i = optind; i < argc; i++) {
+			if (!test_crossparse(argv[i], mode))
+				ret = EXIT_FAILURE;
+		}
+	} else {
+		print_usage(stderr);
+		return EXIT_FAILURE;
 	}
 
-	return EXIT_SUCCESS;
+	return ret;
 }