initial

cmd/root.go

@@ -0,0 +1,51 @@
+/*
+Copyright © 2023 NAME HERE <EMAIL ADDRESS>
+
+*/
+package cmd
+
+import (
+	"os"
+
+	"github.com/spf13/cobra"
+)
+
+
+
+// rootCmd represents the base command when called without any subcommands
+var rootCmd = &cobra.Command{
+	Use:   "converter",
+	Short: "A brief description of your application",
+	Long: `A longer description that spans multiple lines and likely contains
+examples and usage of using your application. For example:
+
+Cobra is a CLI library for Go that empowers applications.
+This application is a tool to generate the needed files
+to quickly create a Cobra application.`,
+	// Uncomment the following line if your bare application
+	// has an action associated with it:
+	// Run: func(cmd *cobra.Command, args []string) { },
+}
+
+// Execute adds all child commands to the root command and sets flags appropriately.
+// This is called by main.main(). It only needs to happen once to the rootCmd.
+func Execute() {
+	err := rootCmd.Execute()
+	if err != nil {
+		os.Exit(1)
+	}
+}
+
+func init() {
+	// Here you will define your flags and configuration settings.
+	// Cobra supports persistent flags, which, if defined here,
+	// will be global for your application.
+
+	// rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.converter.yaml)")
+
+	// Cobra also supports local flags, which will only run
+	// when this action is called directly.
+	rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}
+
+

cmd/temp.go

@@ -0,0 +1,109 @@
+/*
+Copyright © 2023 NAME HERE <EMAIL ADDRESS>
+*/
+package cmd
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+
+	"github.com/spf13/cobra"
+)
+
+// tempCmd represents the temp command
+var (
+	from           string
+	to             string
+	five_over_nine = float64(5) / float64(9)
+	nine_over_five = float64(9) / float64(5)
+	kconst         = 273.15
+	rconst         = 459.67
+	tempCmd        = &cobra.Command{
+		Use:   "temp",
+		Short: "A brief description of your command",
+		Long: `A longer description that spans multiple lines and likely contains examples
+and usage of using your command. For example:
+
+Cobra is a CLI library for Go that empowers applications.
+This application is a tool to generate the needed files
+to quickly create a Cobra application.`,
+		Args: cobra.MatchAll(cobra.ExactArgs(1)),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			err := cmd.ParseFlags(args)
+			if err != nil {
+				return err
+			}
+
+			in, err := strconv.ParseFloat(args[0], 64)
+			if err != nil {
+				return err
+			}
+			var out float64
+			switch strings.ToLower(cmd.Flag("from").Value.String()) {
+			case "f", "farenheit":
+				switch strings.ToLower(cmd.Flag("to").Value.String()) {
+				case "f", "farenheit":
+					out = in
+				case "c", "celsius":
+					out = ((in - 32) * five_over_nine)
+				case "k", "kelvin":
+					out = ((in-32)*five_over_nine + kconst)
+				case "r", "rankine":
+					out = in + rconst
+				}
+			case "c", "celsius":
+				switch strings.ToLower(cmd.Flag("to").Value.String()) {
+				case "f", "farenheit":
+					out = in*nine_over_five + 32
+				case "c", "celsius":
+					out = in
+				case "k", "kelvin":
+					out = in + kconst
+				case "r", "rankine":
+					out = in*nine_over_five + rconst + 32
+				}
+			case "k", "kelvin":
+				switch strings.ToLower(cmd.Flag("to").Value.String()) {
+				case "f", "farenheit":
+					out = (in-kconst)*nine_over_five + 32
+				case "c", "celsius":
+					out = in - kconst
+				case "k", "kelvin":
+					out = in
+				case "r", "rankine":
+					out = in * nine_over_five
+				}
+			case "r", "rankine":
+				switch strings.ToLower(cmd.Flag("to").Value.String()) {
+				case "f", "farenheit":
+					out = in - rconst
+				case "c", "celsius":
+					out = (in - (rconst + 32)) * nine_over_five
+				case "k", "kelvin":
+					out = in * five_over_nine
+				case "r", "rankine":
+					out = in
+				}
+			}
+			fmt.Println(strconv.FormatFloat(out, 'f', 2, 64))
+			return nil
+		},
+	}
+)
+
+func init() {
+	rootCmd.AddCommand(tempCmd)
+	tempCmd.PersistentFlags().StringVarP(&from, "from", "f", "c", "unit system to convert from, (farenheit, celsius, kelvin)")
+	tempCmd.PersistentFlags().StringVarP(&to, "to", "t", "f", "unit system to convert to, (farenheit, celsius, kelvin)")
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// tempCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// tempCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}

go.mod

@@ -0,0 +1,9 @@
+module gitea.asdf.cafe/abs3nt/converter
+
+go 1.20
+
+require (
+	github.com/inconshreveable/mousetrap v1.0.1 // indirect
+	github.com/spf13/cobra v1.6.1 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+)

go.sum

@@ -0,0 +1,10 @@
+github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/inconshreveable/mousetrap v1.0.1 h1:U3uMjPSQEBMNp1lFxmllqCPM6P5u/Xq7Pgzkat/bFNc=
+github.com/inconshreveable/mousetrap v1.0.1/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/spf13/cobra v1.6.1 h1:o94oiPyS4KD1mPy2fmcYYHHfCxLqYjJOhGsCHFZtEzA=
+github.com/spf13/cobra v1.6.1/go.mod h1:IOw/AERYS7UzyrGinqmz6HLUo219MORXGxhbaJUqzrY=
+github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
+github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

main.go

@@ -0,0 +1,11 @@
+/*
+Copyright © 2023 NAME HERE <EMAIL ADDRESS>
+
+*/
+package main
+
+import "gitea.asdf.cafe/abs3nt/converter/cmd"
+
+func main() {
+	cmd.Execute()
+}