now version controlled.HEADfront

1 files changed, 58 insertions, 0 deletions

diff --git a/wpqprompt.c b/wpqprompt.c
new file mode 100644
index 0000000..b904dc8
--- /dev/null
+++ b/wpqprompt.c
@@ -0,0 +1,58 @@
+#include <u.h>
+#include <libc.h>
+#include <json.h>
+
+void
+usage(void)
+{
+	fprint(2, "usage: %s wpqsearchfile\n", argv0);
+	exits("usage");
+}
+
+void
+main(int argc, char *argv[])
+{
+	JSON *obj, *res;
+	JSONEl *e;
+	char buf[8192], *targets[32];
+	int fd, n, i;
+
+	JSONfmtinstall();
+	ARGBEGIN{
+	default: usage();
+	}ARGEND;
+	if(argc != 1)
+		usage();
+	fd = open(argv[0], OREAD);
+	if((n = readn(fd, buf, sizeof(buf)-1)) <= 0)
+		sysfatal("read: %r");
+	buf[n] = 0;
+	close(fd);
+	obj = jsonparse(buf);
+	if(obj == nil || obj->t != JSONObject)
+		sysfatal("jsonparse: %r");
+	res = jsonbyname(obj, "result");
+	if(res == nil || res->t != JSONArray)
+		sysfatal("jsonbyname: %r");
+	if(res->first->next->val->first == nil)
+		sysfatal("no results");
+	for(e = res->first->next->val->first, i = 0; e != nil && i < nelem(targets); e = e->next, i++){
+		targets[i] = e->val->s;
+		fprint(2, "%d) %s\n", i+1, targets[i]);
+	}
+	if(i < 2)
+		n = i;
+	else{
+prompt:
+		fprint(2, "[1-%d]: ", i);
+		if((n = read(0, buf, sizeof(buf)-1)) <= 0)
+			sysfatal("read: %r");
+		buf[n] = 0;
+		n = strtol(buf, nil, 0);
+		if(n < 1 || n > i)
+			goto prompt;
+	}
+	print("%s\n", targets[n-1]);
+	jsonfree(obj);
+	exits(0);
+}