73 lines
1.6 KiB
Go
73 lines
1.6 KiB
Go
package main
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import (
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"encoding/json"
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"os"
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"github.com/alecthomas/repr"
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"github.com/spf13/pflag"
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"go.elara.ws/logger"
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"go.elara.ws/logger/log"
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"go.elara.ws/taf"
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"go.elara.ws/taf/units"
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)
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func init() {
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log.Logger = logger.NewPretty(os.Stderr)
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}
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func main() {
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pretty := pflag.BoolP("pretty", "p", true, "Pretty-print the JSON output")
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printGo := pflag.BoolP("print-go", "G", false, "Print Go code instead of JSON")
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convertDist := pflag.StringP("convert-distance", "d", "", "Convert all the distances to the given unit. (valid units: sm, mi, m)")
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convertSpd := pflag.StringP("convert-speed", "s", "", "Convert all the speeds to the given unit. (valid units: m/s, mps, kmh, kph, kt, kts)")
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pflag.Parse()
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var opts taf.Options
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if *convertDist != "" {
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d, ok := units.ParseDistance(*convertDist)
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if !ok {
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log.Fatal("Invalid distance unit").Send()
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}
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opts.DistanceUnit = d
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}
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if *convertSpd != "" {
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s, ok := units.ParseSpeed(*convertSpd)
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if !ok {
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log.Fatal("Invalid speed unit").Send()
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}
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opts.SpeedUnit = s
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}
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var fl *os.File
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var err error
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if pflag.NArg() > 0 {
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fl, err = os.Open(pflag.Arg(0))
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if err != nil {
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log.Fatal("Error opening file").Err(err).Send()
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}
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} else {
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fl = os.Stdin
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}
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fc, err := taf.ParseWithOptions(fl, opts)
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if err != nil {
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log.Fatal("Error parsing TAF data").Err(err).Send()
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}
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if *printGo {
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repr.Println(fc)
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} else {
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enc := json.NewEncoder(os.Stdout)
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if *pretty {
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enc.SetIndent("", " ")
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}
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err = enc.Encode(fc)
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if err != nil {
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log.Fatal("Error encoding forecast").Err(err).Send()
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}
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}
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}
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