85 lines
2.0 KiB
Go
85 lines
2.0 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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testdataloader "github.com/peteole/testdata-loader"
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"git.defalsify.org/vise/cache"
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"git.defalsify.org/vise/engine"
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"git.defalsify.org/vise/resource"
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"git.defalsify.org/vise/state"
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)
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var (
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baseDir = testdataloader.GetBasePath()
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scriptDir = path.Join(baseDir, "examples", "validate")
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emptyResult = resource.Result{}
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)
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const (
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USERFLAG_HAVESOMETHING = state.FLAG_USERSTART
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)
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type verifyResource struct {
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*resource.FsResource
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st *state.State
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}
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func(vr *verifyResource) verify(sym string, input []byte, ctx context.Context) (resource.Result, error) {
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var err error
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if string(input) == "something" {
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_, err = vr.st.SetFlag(USERFLAG_HAVESOMETHING)
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}
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return resource.Result{
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Content: "",
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}, err
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}
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func(vr *verifyResource) again(sym string, input []byte, ctx context.Context) (resource.Result, error) {
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var err error
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_, err = vr.st.ResetFlag(USERFLAG_HAVESOMETHING)
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return resource.Result{}, err
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}
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func main() {
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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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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.Parse()
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fmt.Fprintf(os.Stderr, "starting session at symbol '%s' using resource dir: %s\n", root, scriptDir)
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st := state.NewState(1)
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rsf := resource.NewFsResource(scriptDir)
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rs := verifyResource{&rsf, &st}
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rs.AddLocalFunc("verifyinput", rs.verify)
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rs.AddLocalFunc("again", rs.again)
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ca := cache.NewCache()
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cfg := engine.Config{
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Root: "root",
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SessionId: sessionId,
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OutputSize: uint32(size),
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}
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ctx := context.Background()
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ctx = context.WithValue(ctx, "SessionId", sessionId)
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en := engine.NewEngine(cfg, &st, rs, ca, ctx)
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var err error
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_, err = en.Init(ctx)
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if err != nil {
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fmt.Fprintf(os.Stderr, "engine init fail: %v\n", err)
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os.Exit(1)
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}
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err = engine.Loop(&en, os.Stdin, os.Stdout, ctx)
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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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