Created
August 2, 2015 01:54
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$ easygen test/commandlineFlag | |
package easygenapi | |
import ( | |
"flag" | |
"fmt" | |
"os" | |
) | |
//////////////////////////////////////////////////////////////////////////// | |
// Constant and data type/structure definitions | |
const progname = "easygen" // os.Args[0] | |
// The Options struct defines the structure to holds the commandline values | |
type Options struct { | |
HTML bool // treat the template file as html instead of text | |
TemplateStr string // template string (in text) | |
TemplateFile string // .tmpl template file name (default: same as .yaml file) | |
debug int // debugging level | |
} | |
//////////////////////////////////////////////////////////////////////////// | |
// Global variables definitions | |
// Opts holds the actual values from the command line paramters | |
var Opts Options | |
//////////////////////////////////////////////////////////////////////////// | |
// Commandline definitions | |
func init() { | |
flag.BoolVar(&Opts.HTML, "html", false, | |
"treat the template file as html instead of text") | |
flag.StringVar(&Opts.TemplateStr, "ts", "", | |
"template string (in text)") | |
flag.StringVar(&Opts.TemplateFile, "tf", "", | |
".tmpl template file name (default: same as .yaml file)") | |
flag.IntVar(&Opts.debug, "debug", 0, | |
"debugging level") | |
} | |
// The Usage function shows help on commandline usage | |
func Usage() { | |
fmt.Fprintf(os.Stderr, | |
"nUsage:n %s [flags] YamlFileNamennFlags:nn", | |
progname) | |
flag.PrintDefaults() | |
fmt.Fprintf(os.Stderr, | |
"nYamlFileName: The name for the .yaml data and .tmpl template filentOnly the name part, without extension. Can include the path as well.n") | |
os.Exit(0) | |
} |
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