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feate(stdlib): add
os and http module.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| package http | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io" | ||
| "net/http" | ||
| "net/url" | ||
|
|
||
| "github.com/gad-lang/gad" | ||
| ) | ||
|
|
||
| func Request(call gad.Call) (_ gad.Object, err error) { | ||
| var ( | ||
| url = gad.Arg{ | ||
| Name: "url", | ||
| TypeAssertion: gad.TypeAssertionFromTypes(gad.TStr), | ||
| } | ||
| methodVar = gad.NamedArgVar{ | ||
| Name: "method", | ||
| TypeAssertion: gad.TypeAssertionFromTypes(gad.TStr), | ||
| } | ||
| bodyVar = gad.NamedArgVar{ | ||
| Name: "body", | ||
| TypeAssertion: gad.TypeAssertionFromTypes(gad.TReader), | ||
| } | ||
|
|
||
| method = "get" | ||
| body io.Reader | ||
| ) | ||
|
|
||
| if err = call.Args.Destructure(&url); err != nil { | ||
| return | ||
| } | ||
|
|
||
| if err = call.NamedArgs.Get(&methodVar, &bodyVar); err != nil { | ||
| return | ||
| } | ||
|
|
||
| if methodVar.Value != nil && !methodVar.Value.IsFalsy() { | ||
| method = methodVar.Value.ToString() | ||
| } | ||
|
|
||
| if bodyVar.Value != nil && !bodyVar.Value.IsFalsy() { | ||
| body = bodyVar.Value.(gad.Reader) | ||
| } | ||
|
|
||
| var r *http.Request | ||
| if r, err = http.NewRequest(method, url.Value.ToString(), body); err != nil { | ||
| return | ||
| } | ||
| return gad.ToObject(r) | ||
| } | ||
|
|
||
| func Get(call gad.Call) (_ gad.Object, err error) { | ||
| url := gad.Arg{ | ||
| Name: "url", | ||
| } | ||
|
|
||
| if err = call.Args.Destructure(&url); err != nil { | ||
| return | ||
| } | ||
|
|
||
| var r *http.Response | ||
| if r, err = http.Get(url.Value.ToString()); err != nil { | ||
| return | ||
| } | ||
| if r.Body != nil { | ||
| defer r.Body.Close() | ||
| } | ||
| if r.StatusCode < 300 { | ||
| var b gad.Buffer | ||
| if _, err = io.Copy(&b, r.Body); err != nil { | ||
| return | ||
| } | ||
|
|
||
| return &b, nil | ||
| } | ||
| return nil, gad.ErrType.NewError(fmt.Sprintf("unseccessful response type %d %s", r.StatusCode, r.Status)) | ||
| } | ||
|
|
||
| func Url(call gad.Call) (_ gad.Object, err error) { | ||
| var ( | ||
| s = gad.Arg{ | ||
| Name: "url", | ||
| TypeAssertion: gad.TypeAssertionFromTypes(gad.TStr), | ||
| } | ||
| ) | ||
|
|
||
| if err = call.Args.Destructure(&s); err != nil { | ||
| return | ||
| } | ||
|
|
||
| var Url *url.URL | ||
|
|
||
| if Url, err = url.Parse(s.Value.ToString()); err != nil { | ||
| return | ||
| } | ||
|
|
||
| q := Url.Query() | ||
|
|
||
| call.NamedArgs.Walk(func(na *gad.KeyValue) error { | ||
| q.Add(na.K.ToString(), na.V.ToString()) | ||
| return nil | ||
| }) | ||
|
|
||
| Url.RawQuery = "" | ||
| return gad.Str(Url.String()), nil | ||
| } | ||
|
|
||
| func Header(call gad.Call) (gad.Object, error) { | ||
| h := make(http.Header) | ||
| call.NamedArgs.Walk(func(na *gad.KeyValue) error { | ||
| k := na.K.ToString() | ||
| switch t := na.V.(type) { | ||
| case gad.Array: | ||
| arr := make([]string, len(t)) | ||
| for i, v := range t { | ||
| arr[i] = v.ToString() | ||
| } | ||
| h[k] = arr | ||
| default: | ||
| h.Add(k, t.ToString()) | ||
| } | ||
| return nil | ||
| }) | ||
| return gad.MustToObject(h), nil | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| package http | ||
|
|
||
| import ( | ||
| "net/http" | ||
|
|
||
| "github.com/gad-lang/gad" | ||
| ) | ||
|
|
||
| var Module = gad.Dict{ | ||
| "url": &gad.Function{ | ||
| Name: "url", | ||
| Value: Url, | ||
| }, | ||
| "header": &gad.Function{ | ||
| Name: "header", | ||
| Value: Header, | ||
| }, | ||
| "request": &gad.Function{ | ||
| Name: "request", | ||
| Value: Request, | ||
| }, | ||
| "get": &gad.Function{ | ||
| Name: "get", | ||
| Value: Get, | ||
| }, | ||
| "exec": gad.MustNewReflectValue(http.DefaultClient.Do), | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| package os | ||
|
|
||
| import ( | ||
| "os" | ||
| "reflect" | ||
|
|
||
| "github.com/gad-lang/gad" | ||
| "github.com/gad-lang/gad/helper" | ||
| cmdu "github.com/unapu-go/cmd-utils" | ||
| ) | ||
|
|
||
| func Exec(c gad.Call) (o gad.Object, err error) { | ||
| var ( | ||
| naio = c.NamedArgs.GetValueOrNil("io") | ||
| typ = gad.NewReflectType(reflect.TypeOf(cmdu.CmdBuilder{})) | ||
| ) | ||
|
|
||
| if o, err = typ.Call(c); err != nil { | ||
| return | ||
| } | ||
|
|
||
| var ( | ||
| Cmd *cmdu.Cmd | ||
| builder = o.(gad.ReflectValuer).ToInterface().(cmdu.CmdBuilder) | ||
| ) | ||
|
|
||
| o = gad.Nil | ||
|
|
||
| if Cmd, err = builder.Build(nil); err != nil { | ||
| return | ||
| } | ||
|
|
||
| if naio != nil { | ||
| var values gad.KeyValueArray | ||
|
|
||
| if values, err = values.AppendObject(naio); err != nil { | ||
| return | ||
| } | ||
|
|
||
| var ( | ||
| na = gad.NewNamedArgs(values) | ||
| stdin = helper.NamedArgOfReader("stdin") | ||
| stdout = helper.NamedArgOfWriter("stdout") | ||
| stderr = helper.NamedArgOfWriter("stderr") | ||
| ) | ||
|
|
||
| if err = na.Get(stdin, stdout, stderr); err != nil { | ||
| return | ||
| } | ||
|
|
||
| if stdin.Value != nil { | ||
| Cmd.Stdin = stdin.Value.(gad.Reader).GoReader() | ||
| } | ||
| if stdout.Value != nil { | ||
| Cmd.Stdout = stdout.Value.(gad.Writer).GoWriter() | ||
| } | ||
| if stdout.Value != nil { | ||
| Cmd.Stderr = stdout.Value.(gad.Writer).GoWriter() | ||
| } | ||
| } | ||
|
|
||
| if err = Cmd.StartContext(c.VM.Context); err != nil { | ||
| return | ||
| } | ||
| o, _ = gad.NewReflectValue(Cmd) | ||
| err = Cmd.Wait() | ||
| return | ||
| } | ||
|
|
||
| func Exists(c gad.Call) (o gad.Object, err error) { | ||
| pth := &gad.Arg{ | ||
| Name: "path", | ||
| TypeAssertion: gad.TypeAssertionFromTypes(gad.TStr), | ||
| } | ||
| if err = c.Args.Destructure(pth); err != nil { | ||
| return | ||
| } | ||
|
|
||
| if _, err = os.Stat(pth.Value.ToString()); err != nil { | ||
| if os.IsNotExist(err) { | ||
| return gad.False, nil | ||
| } | ||
| return | ||
| } | ||
| return gad.True, nil | ||
| } | ||
|
|
||
| func CreateFile(c gad.Call) (o gad.Object, err error) { | ||
| var ( | ||
| pth = &gad.Arg{ | ||
| Name: "path", | ||
| TypeAssertion: gad.TypeAssertionFromTypes(gad.TStr), | ||
| } | ||
|
|
||
| mode = &gad.NamedArgVar{ | ||
| Name: "mode", | ||
| TypeAssertion: gad.TypeAssertionFromTypes(gad.TInt), | ||
| Value: gad.Int(0), | ||
| } | ||
|
|
||
| data = helper.NamedArgOfReader("data") | ||
|
|
||
| closes = &gad.NamedArgVar{ | ||
| Name: "close", | ||
| TypeAssertion: gad.TypeAssertionFlag(), | ||
| Value: gad.No, | ||
| } | ||
| ) | ||
|
|
||
| if err = c.Args.Destructure(pth); err != nil { | ||
| return | ||
| } | ||
| if err = c.NamedArgs.Get(mode, data, closes); err != nil { | ||
| return | ||
| } | ||
|
|
||
| var f *os.File | ||
|
|
||
| if mode := mode.Value.(gad.Int); mode > 0 { | ||
| f, err = os.OpenFile(pth.Value.ToString(), os.O_RDWR|os.O_CREATE|os.O_TRUNC, os.FileMode(mode)) | ||
| } else { | ||
| f, err = os.Create(pth.Value.ToString()) | ||
| } | ||
|
|
||
| if err != nil { | ||
| return | ||
| } | ||
|
|
||
| if !closes.Value.IsFalsy() { | ||
| defer f.Close() | ||
| } | ||
|
|
||
| o = gad.MustNewReflectValue(f) | ||
|
|
||
| if data.Value != nil { | ||
| if _, err = c.VM.Builtins.Call(gad.BuiltinCopy, gad.Call{ | ||
| VM: c.VM, | ||
| Args: gad.Args{gad.Array{o, data.Value}}, | ||
| }); err != nil { | ||
| return | ||
| } | ||
| } | ||
|
|
||
| return | ||
| } |
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