3 files changed, 108 insertions, 0 deletions
diff --git a/cmds/gocli-as-plugin/Makefile b/cmds/gocli-as-plugin/Makefile
new file mode 100644
index 0000000..277d737
--- /dev/null
+++ b/cmds/gocli-as-plugin/Makefile
@@ -0,0 +1,14 @@
+run: build
+	./gocli-as-plugin
+	# ldd ./gocli-as-plugin
+
+build-release:
+	go get -v -u -x .
+	go build
+
+build:
+	GO111MODULE="off" go get -v -x .
+	GO111MODULE="off" go build
+
+update:
+	GO111MODULE="off" go get -v -u -x .
diff --git a/cmds/gocli-as-plugin/log.go b/cmds/gocli-as-plugin/log.go
new file mode 100644
index 0000000..b05beaf
--- /dev/null
+++ b/cmds/gocli-as-plugin/log.go
@@ -0,0 +1,35 @@
+// This creates a simple hello world window
+package main
+
+import 	(
+	"log"
+	"fmt"
+	"os"
+	arg "github.com/alexflint/go-arg"
+)
+
+
+var args struct {
+	Foo string
+	Bar bool
+	User string `arg:"env:USER"`
+	Demo bool `help:"run a demo"`
+}
+
+var f *os.File
+var err error
+
+func init() {
+	arg.MustParse(&args)
+	fmt.Println(args.Foo, args.Bar, args.User)
+
+	f, err = os.OpenFile("/tmp/guilogfile", os.O_RDWR | os.O_CREATE | os.O_APPEND, 0666)
+	if err != nil {
+		log.Fatalf("error opening file: %v", err)
+	}
+	// hmm. is there a trick here or must this be in main()
+	// defer f.Close()
+
+	log.SetOutput(f)
+	log.Println("This is a test log entry")
+}
diff --git a/cmds/gocli-as-plugin/main.go b/cmds/gocli-as-plugin/main.go
new file mode 100644
index 0000000..a9bd632
--- /dev/null
+++ b/cmds/gocli-as-plugin/main.go
@@ -0,0 +1,59 @@
+// Copyright 2014 The gocui Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+	"log"
+	"os"
+
+	"plugin"
+//	"github.com/awesome-gocui/gocui"
+)
+
+type Greeter interface {
+	Greet()
+}
+
+var plugGocli *plugin.Plugin
+var plugHello *plugin.Plugin
+
+func main() {
+	log.Println("attempt plugin")
+
+	go loadPlugin(plugHello, "../../toolkit/hello.so")
+	loadPlugin(plugGocli, "../../toolkit/gocli.so")
+}
+
+func loadPlugin(plug *plugin.Plugin, name string) {
+	// load module
+	// 1. open the so file to load the symbols
+	plug, err = plugin.Open(name)
+	if err != nil {
+		log.Println(err)
+		os.Exit(1)
+	}
+
+	// 2. look up a symbol (an exported function or variable)
+	// in this case, variable Greeter
+	symGreeter, err := plug.Lookup("Greeter")
+	if err != nil {
+		log.Println(err)
+		os.Exit(1)
+	}
+
+	log.Println("symGreater", symGreeter)
+
+	// 3. Assert that loaded symbol is of a desired type
+	// in this case interface type Greeter (defined above)
+	// var greeter Greeter
+	greeter, ok := symGreeter.(Greeter)
+	if !ok {
+		log.Println("unexpected type from module symbol")
+		os.Exit(1)
+	}
+
+	// 4. use the module
+	greeter.Greet()
+}