start outlinecb

1 files changed, 77 insertions, 0 deletions

diff --git a/cb.c b/cb.c
new file mode 100644
index 0000000..602f5f6
--- /dev/null
+++ b/cb.c
@@ -0,0 +1,77 @@
+#define _XOPEN_SOURCE 700
+#include <ctype.h>
+#include <errno.h>
+#include <limits.h>
+#include <locale.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+static void output(int level, char *buf)
+{
+	while (level-- > 0) {
+		putchar('\t');
+	}
+	while (isblank(*buf)) {
+		buf++;
+	}
+	puts(buf);
+}
+
+static int cb(const char *path)
+{
+	FILE *in = stdin;
+	if (path && strcmp(path, "-") != 0) {
+		in = fopen(path, "r");
+	}
+
+	if (in == NULL) {
+		fprintf(stderr, "cb: %s: %s\n", path, strerror(errno));
+		return 1;
+	}
+
+	int c;
+	char buf[LINE_MAX] = {0};
+	size_t pos = 0;
+	int level = 0;
+
+	while ((c = fgetc(in)) != EOF) {
+		buf[pos++] = c;
+		if (c == '{' || c == ';' || c == '}') {
+			output(level, buf);
+			memset(buf, '\0', sizeof(buf));
+			pos = 0;
+			if (c == '{') {
+				level++;
+			}
+			if (c == '}') {
+				level--;
+			}
+		}
+	}
+
+	if (in != stdin) {
+		fclose(in);
+	}
+
+	return 0;
+}
+
+int main(int argc, char *argv[])
+{
+	setlocale(LC_ALL, "");
+
+	int c;
+	while ((c = getopt(argc, argv, "")) != -1) {
+		switch (c) {
+		default:
+			return 1;
+		}
+	}
+
+	int r = 0;
+	do {
+		r |= cb(argv[optind++]);
+	} while (optind < argc);
+	return r;
+}