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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 | ||
} | ||
|
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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 | ||
} | ||
|
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var Url *url.URL | ||
|
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if Url, err = url.Parse(s.Value.ToString()); err != nil { | ||
return | ||
} | ||
|
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q := Url.Query() | ||
|
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call.NamedArgs.Walk(func(na *gad.KeyValue) error { | ||
q.Add(na.K.ToString(), na.V.ToString()) | ||
return nil | ||
}) | ||
|
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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" | ||
|
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"github.com/gad-lang/gad" | ||
) | ||
|
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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" | ||
|
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"github.com/gad-lang/gad" | ||
"github.com/gad-lang/gad/helper" | ||
cmdu "github.com/unapu-go/cmd-utils" | ||
) | ||
|
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func Exec(c gad.Call) (o gad.Object, err error) { | ||
var ( | ||
naio = c.NamedArgs.GetValueOrNil("io") | ||
typ = gad.NewReflectType(reflect.TypeOf(cmdu.CmdBuilder{})) | ||
) | ||
|
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if o, err = typ.Call(c); err != nil { | ||
return | ||
} | ||
|
||
var ( | ||
Cmd *cmdu.Cmd | ||
builder = o.(gad.ReflectValuer).ToInterface().(cmdu.CmdBuilder) | ||
) | ||
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o = gad.Nil | ||
|
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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 | ||
} | ||
|
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var ( | ||
na = gad.NewNamedArgs(values) | ||
stdin = helper.NamedArgOfReader("stdin") | ||
stdout = helper.NamedArgOfWriter("stdout") | ||
stderr = helper.NamedArgOfWriter("stderr") | ||
) | ||
|
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if err = na.Get(stdin, stdout, stderr); err != nil { | ||
return | ||
} | ||
|
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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 | ||
} | ||
|
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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 | ||
} | ||
|
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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), | ||
} | ||
|
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mode = &gad.NamedArgVar{ | ||
Name: "mode", | ||
TypeAssertion: gad.TypeAssertionFromTypes(gad.TInt), | ||
Value: gad.Int(0), | ||
} | ||
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data = helper.NamedArgOfReader("data") | ||
|
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closes = &gad.NamedArgVar{ | ||
Name: "close", | ||
TypeAssertion: gad.TypeAssertionFlag(), | ||
Value: gad.No, | ||
} | ||
) | ||
|
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if err = c.Args.Destructure(pth); err != nil { | ||
return | ||
} | ||
if err = c.NamedArgs.Get(mode, data, closes); err != nil { | ||
return | ||
} | ||
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var f *os.File | ||
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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()) | ||
} | ||
|
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if err != nil { | ||
return | ||
} | ||
|
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if !closes.Value.IsFalsy() { | ||
defer f.Close() | ||
} | ||
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o = gad.MustNewReflectValue(f) | ||
|
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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 | ||
} | ||
} | ||
|
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return | ||
} |
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