1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
// Copyright 2019-present Facebook Inc. All rights reserved.
// This source code is licensed under the Apache 2.0 license found
// in the LICENSE file in the root directory of this source tree.
// gen is a codegen cmd for generating numeric build types from template.
package main
import (
"bytes"
"go/format"
"io/ioutil"
"log"
"strings"
"text/template"
"github.com/facebook/ent/schema/field"
)
func main() {
buf, err := ioutil.ReadFile("internal/numeric.tmpl")
if err != nil {
log.Fatal("reading template file:", err)
}
intTmpl := template.Must(template.New("numeric").
Funcs(template.FuncMap{"title": strings.Title, "hasPrefix": strings.HasPrefix}).
Parse(string(buf)))
b := &bytes.Buffer{}
if err := intTmpl.Execute(b, struct {
Ints, Floats []field.Type
}{
Ints: []field.Type{
field.TypeInt,
field.TypeUint,
field.TypeInt8,
field.TypeInt16,
field.TypeInt32,
field.TypeInt64,
field.TypeUint8,
field.TypeUint16,
field.TypeUint32,
field.TypeUint64,
},
Floats: []field.Type{
field.TypeFloat64,
field.TypeFloat32,
},
}); err != nil {
log.Fatal("executing template:", err)
}
if buf, err = format.Source(b.Bytes()); err != nil {
log.Fatal("formatting output:", err)
}
if err := ioutil.WriteFile("numeric.go", buf, 0644); err != nil {
log.Fatal("writing go file:", err)
}
}
|
