// splitFiles converts a comma separated list of files into an array of file names.
func splitFiles(inFiles string) []string {
files := strings.Split(inFiles, ",")
for i, f := range files {
files[i] = strings.Trim(f, " ")
}
for _, file := range files {
if !core.FileExists(file) {
core.VErrorf("The input file %q does not exist.", file)
os.Exit(1)
}
}
return files
}
// config parses command line arguments and reads from configuration files.
//
// First attempts to read from a configuration file specified at the command
// line. Then tries to read from .service-thumbnails.conf in the user's home
// directory. Then tries reading from /etc/service-thumbnails.conf. Finally
// parses the command line arguments. The command line arguments override
// configuration file values.
func config() *core.Options {
confCli := ""
confHome := ""
confEtc := "/etc/service-thumbnails.conf"
u, err := user.Current()
if err == nil {
confHome = path.Join(u.HomeDir, "/.service-thumbnails.conf")
}
/*
set := flag.NewFlagSet("conf", flag.ContinueOnError)
set.StringVar(
&confCli,
"conf",
"",
"Path to configuration file.")
set.Parse(os.Args[1:])
*/
if confCli != "" {
readConfigFile(confCli, core.Opts)
} else if core.FileExists(confHome) {
readConfigFile(confHome, core.Opts)
} else if core.FileExists(confEtc) {
readConfigFile(confEtc, core.Opts)
}
flag.String(
"conf",
"",
"Path to configuration file.")
flag.StringVar(
&core.Opts.Mode,
"m",
core.Opts.Mode,
"Running mode, either 'cli' or 'http'. Defaults to 'cli'.")
flag.BoolVar(
&core.Opts.PrintHelp,
"help",
core.Opts.PrintHelp,
"Display command help.")
flag.BoolVar(
&core.Opts.PrintVersion,
"version",
core.Opts.PrintVersion,
"Display the app version and quit.")
flag.BoolVar(
&core.Opts.Quiet,
"q",
core.Opts.Quiet,
"Run in quiet mode.")
flag.IntVar(
&core.Opts.SkipSeconds,
"s",
core.Opts.SkipSeconds,
"Skip this number of seconds into the video before thumbnailing.")
flag.IntVar(
&core.Opts.Count,
"c",
core.Opts.Count,
"Number of thumbs to generate in a sprite. 30 is the default.")
flag.IntVar(
&core.Opts.Width,
"w",
core.Opts.Width,
"The thumbnail width. Overrides the built in defaults.")
flag.StringVar(
&core.Opts.ThumbType,
"t",
core.Opts.ThumbType,
"The type of thumbnail to generate. 'simple' is the default.")
flag.StringVar(
&core.Opts.InFile,
"i",
core.Opts.InFile,
"The input video file. Separate multiple files with a comma.")
flag.StringVar(
&core.Opts.OutFile,
"o",
core.Opts.OutFile,
"The output image file.")
flag.StringVar(
&core.Opts.Host,
"h",
core.Opts.Host,
"The host name to listen on.")
flag.IntVar(
&core.Opts.Port,
"p",
core.Opts.Port,
"The port to listen on.")
flag.Parse()
return core.Opts
}