1 files changed, 102 insertions, 0 deletions
diff --git a/api/client/cli.go b/api/client/cli.go
new file mode 100644
index 0000000000..b58d3c3c75
--- /dev/null
+++ b/api/client/cli.go
@@ -0,0 +1,102 @@
+package client
+
+import (
+	"crypto/tls"
+	"encoding/json"
+	"fmt"
+	"io"
+	"os"
+	"reflect"
+	"strings"
+	"text/template"
+
+	flag "github.com/dotcloud/docker/pkg/mflag"
+	"github.com/dotcloud/docker/pkg/term"
+	"github.com/dotcloud/docker/registry"
+)
+
+var funcMap = template.FuncMap{
+	"json": func(v interface{}) string {
+		a, _ := json.Marshal(v)
+		return string(a)
+	},
+}
+
+func (cli *DockerCli) getMethod(name string) (func(...string) error, bool) {
+	methodName := "Cmd" + strings.ToUpper(name[:1]) + strings.ToLower(name[1:])
+	method := reflect.ValueOf(cli).MethodByName(methodName)
+	if !method.IsValid() {
+		return nil, false
+	}
+	return method.Interface().(func(...string) error), true
+}
+
+func (cli *DockerCli) ParseCommands(args ...string) error {
+	if len(args) > 0 {
+		method, exists := cli.getMethod(args[0])
+		if !exists {
+			fmt.Println("Error: Command not found:", args[0])
+			return cli.CmdHelp(args[1:]...)
+		}
+		return method(args[1:]...)
+	}
+	return cli.CmdHelp(args...)
+}
+
+func (cli *DockerCli) Subcmd(name, signature, description string) *flag.FlagSet {
+	flags := flag.NewFlagSet(name, flag.ContinueOnError)
+	flags.Usage = func() {
+		fmt.Fprintf(cli.err, "\nUsage: docker %s %s\n\n%s\n\n", name, signature, description)
+		flags.PrintDefaults()
+		os.Exit(2)
+	}
+	return flags
+}
+
+func (cli *DockerCli) LoadConfigFile() (err error) {
+	cli.configFile, err = registry.LoadConfig(os.Getenv("HOME"))
+	if err != nil {
+		fmt.Fprintf(cli.err, "WARNING: %s\n", err)
+	}
+	return err
+}
+
+func NewDockerCli(in io.ReadCloser, out, err io.Writer, proto, addr string, tlsConfig *tls.Config) *DockerCli {
+	var (
+		isTerminal = false
+		terminalFd uintptr
+	)
+
+	if in != nil {
+		if file, ok := in.(*os.File); ok {
+			terminalFd = file.Fd()
+			isTerminal = term.IsTerminal(terminalFd)
+		}
+	}
+
+	if err == nil {
+		err = out
+	}
+	return &DockerCli{
+		proto:      proto,
+		addr:       addr,
+		in:         in,
+		out:        out,
+		err:        err,
+		isTerminal: isTerminal,
+		terminalFd: terminalFd,
+		tlsConfig:  tlsConfig,
+	}
+}
+
+type DockerCli struct {
+	proto      string
+	addr       string
+	configFile *registry.ConfigFile
+	in         io.ReadCloser
+	out        io.Writer
+	err        io.Writer
+	isTerminal bool
+	terminalFd uintptr
+	tlsConfig  *tls.Config
+}