vendor: add github.com/thinkhy/go-adb package

vendor/github.com/thinkhy/go-adb/util.go

@@ -0,0 +1,59 @@
+package adb
+
+import (
+	"fmt"
+	"net"
+	"reflect"
+	"regexp"
+	"strconv"
+	"strings"
+
+	"github.com/thinkhy/go-adb/internal/errors"
+)
+
+var (
+	whitespaceRegex = regexp.MustCompile(`^\s*$`)
+)
+
+func containsWhitespace(str string) bool {
+	return strings.ContainsAny(str, " \t\v")
+}
+
+func isBlank(str string) bool {
+	return whitespaceRegex.MatchString(str)
+}
+
+func wrapClientError(err error, client interface{}, operation string, args ...interface{}) error {
+	if err == nil {
+		return nil
+	}
+	if _, ok := err.(*errors.Err); !ok {
+		panic("err is not a *Err: " + err.Error())
+	}
+
+	clientType := reflect.TypeOf(client)
+
+	return &errors.Err{
+		Code:    err.(*errors.Err).Code,
+		Cause:   err,
+		Message: fmt.Sprintf("error performing %s on %s", fmt.Sprintf(operation, args...), clientType),
+		Details: client,
+	}
+}
+
+// Get a free port.
+func getFreePort() (port int, err error) {
+	listener, err := net.Listen("tcp", "127.0.0.1:0")
+	if err != nil {
+		return 0, err
+	}
+	defer listener.Close()
+
+	addr := listener.Addr().String()
+	_, portString, err := net.SplitHostPort(addr)
+	if err != nil {
+		return 0, err
+	}
+
+	return strconv.Atoi(portString)
+}