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83 lines
1.7 KiB
83 lines
1.7 KiB
package main
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import (
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"bytes"
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"flag"
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"fmt"
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"encoding/json"
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"git.binarythought.com/cdramey/sutron"
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"io/ioutil"
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"os"
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)
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type ParserConfig struct {
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ParserType string `json:"parser_type"`
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}
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func main() {
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flags := flag.NewFlagSet("sutron", flag.ExitOnError)
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flags.SetOutput(os.Stdout)
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flags.Usage = func() {
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fmt.Fprintf(flags.Output(),
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"Usage: %s [OPTION] <files> ...\nOptions:\n",
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os.Args[0])
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flags.PrintDefaults()
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}
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jsonfn := flags.String("json", "sutron.json",
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"json parser definition file name")
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flags.Parse(os.Args[1:])
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if flags.NArg() < 1 {
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fmt.Fprintf(os.Stderr, "files parameter cannot be empty\n")
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os.Exit(1)
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}
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jsonsrc, err := ioutil.ReadFile(*jsonfn)
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if err != nil {
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fmt.Fprintf(os.Stderr,
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"error reading \"%s\": %s\n",
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os.Args[1], err.Error())
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}
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var pcfg ParserConfig
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err = json.Unmarshal(jsonsrc, &pcfg)
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if err != nil {
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fmt.Fprintf(os.Stderr,
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"parser config error: %s\n", err.Error())
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os.Exit(1)
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}
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fmt.Printf("Parser type: %s\n", pcfg.ParserType)
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for _, fn := range flags.Args() {
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var raw []byte
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var err error
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if fn == "-" {
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raw, err = ioutil.ReadAll(os.Stdin)
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} else {
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raw, err = ioutil.ReadFile(fn)
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}
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if err != nil {
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fmt.Fprintf(os.Stderr,
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"error reading \"%s\": %s\n",
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os.Args[1], err.Error())
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}
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i := bytes.Index(raw, []byte("B"))
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if i != -1 {
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sutrondata, err := sutron.ParseSutronB(raw[i:])
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if err != nil {
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fmt.Fprintf(os.Stderr,
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"%s\n", err.Error())
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os.Exit(1)
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}
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fmt.Printf("Sutron Block: %s\n", string(sutrondata.Block))
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fmt.Printf("Sutron Group: %s\n", string(sutrondata.Group))
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fmt.Printf("Sutron Delta: %s\n", string(sutrondata.Delta))
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fmt.Printf("Sutron Voltage: %s\n", string(sutrondata.Voltage))
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}
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}
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}
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