Add examples

example/client/client.go

@@ -0,0 +1,54 @@
+// +build example
+
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"git.sr.ht/~adnano/go-gemini"
+	"log"
+	"os"
+)
+
+var client gemini.Client
+
+func makeRequest(url string) {
+	resp, err := client.Request(url)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Println("Status code:", resp.Status)
+	fmt.Println("Meta:", resp.Meta)
+
+	switch resp.Status / 10 {
+	case gemini.StatusClassInput:
+		scanner := bufio.NewScanner(os.Stdin)
+		fmt.Printf("%s: ", resp.Meta)
+		scanner.Scan()
+		query := scanner.Text()
+		makeRequest(url + "?" + query)
+		return
+	case gemini.StatusClassSuccess:
+		fmt.Print("Body:\n", string(resp.Body))
+	case gemini.StatusClassRedirect:
+		log.Print("Redirecting to ", resp.Meta)
+		makeRequest(resp.Meta)
+		return
+	case gemini.StatusClassTemporaryFailure:
+		log.Fatal("Temporary failure")
+	case gemini.StatusClassPermanentFailure:
+		log.Fatal("Permanent failure")
+	case gemini.StatusClassClientCertificateRequired:
+		log.Fatal("Client Certificate Required")
+	default:
+		log.Fatal("Protocol Error")
+	}
+}
+
+func main() {
+	if len(os.Args) < 2 {
+		log.Fatalf("usage: %s gemini://...", os.Args[0])
+	}
+	makeRequest(os.Args[1])
+}