forked from urdt/ussd
88 lines
1.9 KiB
Go
88 lines
1.9 KiB
Go
package main
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import (
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"context"
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"flag"
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"fmt"
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"os"
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"path"
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"git.defalsify.org/vise.git/engine"
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"git.defalsify.org/vise.git/resource"
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"git.defalsify.org/vise.git/state"
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)
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const (
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USERFLAG_LANGUAGE_SET = iota + state.FLAG_USERSTART
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)
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type fsData struct {
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path string
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}
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func (fsd *fsData) SetLanguageSelected(ctx context.Context, sym string, input []byte) (resource.Result, error) {
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inputStr := string(input)
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res := resource.Result{}
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switch inputStr {
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case "0":
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res.FlagSet = []uint32{state.FLAG_LANG}
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res.Content = "eng"
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case "1":
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res.FlagSet = []uint32{state.FLAG_LANG}
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res.Content = "swa"
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default:
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}
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return res, nil
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}
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func main() {
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var dir string
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var root string
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var size uint
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var sessionId string
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var persist bool
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flag.StringVar(&dir, "d", ".", "resource dir to read from")
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flag.UintVar(&size, "s", 0, "max size of output")
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flag.StringVar(&root, "root", "root", "entry point symbol")
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flag.StringVar(&sessionId, "session-id", "default", "session id")
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flag.BoolVar(&persist, "persist", false, "use state persistence")
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flag.Parse()
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fmt.Fprintf(os.Stderr, "starting session at symbol '%s' using resource dir: %s\n", root, dir)
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fp := path.Join(dir, sessionId)
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fs := &fsData{
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path: fp,
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}
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ctx := context.Background()
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en, rs, err := engine.NewSizedEnginee(dir, uint32(size), persist, &sessionId)
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rs.AddLocalFunc("select_language", fs.SetLanguageSelected)
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if err != nil {
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fmt.Fprintf(os.Stderr, "engine create error: %v", err)
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os.Exit(1)
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}
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cont, err := en.Init(ctx)
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if err != nil {
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fmt.Fprintf(os.Stderr, "engine init exited with error: %v\n", err)
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os.Exit(1)
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}
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if !cont {
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_, err = en.WriteResult(ctx, os.Stdout)
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if err != nil {
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fmt.Fprintf(os.Stderr, "dead init write error: %v\n", err)
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os.Exit(1)
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}
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os.Stdout.Write([]byte{0x0a})
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os.Exit(0)
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}
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err = engine.Loop(ctx, en, os.Stdin, os.Stdout)
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if err != nil {
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fmt.Fprintf(os.Stderr, "loop exited with error: %v\n", err)
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os.Exit(1)
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}
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}
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