- [+] std flag based project wireframe initiated

Author: suntong

OpenSesame_cli.yaml

@@ -0,0 +1,31 @@
+# program name, name for the executable
+ProgramName: OpenSesame
+
+PackageName: main
+
+# Name of the structure to hold the values for/from commandline
+StructName: Options
+# The actual variable that hold the commandline paramter values
+StructVar: Opts
+
+# Whether to use the USAGE_SUMMARY in Usage help
+UsageSummary: ""
+
+UsageLead: "\\nUsage:\\n %s [flags..]\\n\\nFlags:\\n\\n"
+
+UsageEnd: "\\n"
+
+Options:
+
+  - Name: Port
+    Type: string
+    Flag: port
+    Usage: listening port
+    Value: '"18888"'
+
+  - Name: Path
+    Type: string
+    Flag: path
+    Usage: path to serve files from
+    Value: '"./"'
+

OpenSesame_cliDef.go

@@ -0,0 +1,62 @@
+// !!! !!!
+// WARNING: Code automatically generated. Editing discouraged.
+// !!! !!!
+
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+)
+
+////////////////////////////////////////////////////////////////////////////
+// Constant and data type/structure definitions
+
+const progname = "OpenSesame" // os.Args[0]
+
+// The Options struct defines the structure to hold the commandline values
+type Options struct {
+	Port string // listening port
+	Path string // path to serve files from
+}
+
+////////////////////////////////////////////////////////////////////////////
+// Global variables definitions
+
+// Opts holds the actual values from the command line parameters
+var Opts Options
+
+////////////////////////////////////////////////////////////////////////////
+// Commandline definitions
+
+func init() {
+
+	// set default values for command line parameters
+	flag.StringVar(&Opts.Port, "port", "18888",
+		"listening port")
+	flag.StringVar(&Opts.Path, "path", "./",
+		"path to serve files from")
+
+	// Now override those default values from environment variables
+	if len(Opts.Port) == 0 ||
+		len(os.Getenv("OPENSESAME_PORT")) != 0 {
+		Opts.Port = os.Getenv("OPENSESAME_PORT")
+	}
+	if len(Opts.Path) == 0 ||
+		len(os.Getenv("OPENSESAME_PATH")) != 0 {
+		Opts.Path = os.Getenv("OPENSESAME_PATH")
+	}
+
+}
+
+// Usage function shows help on commandline usage
+func Usage() {
+	fmt.Fprintf(os.Stderr,
+		"\nUsage:\n %s [flags..]\n\nFlags:\n\n",
+		progname)
+	flag.PrintDefaults()
+	fmt.Fprintf(os.Stderr,
+		"\n")
+	os.Exit(0)
+}

OpenSesame_cliGen.sh

@@ -0,0 +1,9 @@
+templateFile=$GOPATH/src/github.com/go-easygen/easygen/test/commandlineFlag
+[ -s $templateFile.tmpl ] || templateFile=/usr/share/gocode/src/github.com/go-easygen/easygen/test/commandlineFlag
+[ -s $templateFile.tmpl ] || templateFile=/usr/share/doc/easygen/examples/commandlineFlag
+[ -s $templateFile.tmpl ] || {
+  echo No template file found
+  exit 1
+}
+
+easygen $templateFile OpenSesame_cli | gofmt > OpenSesame_cliDef.go