mirror of
https://github.com/go-gitea/gitea
synced 2024-11-10 20:11:19 +01:00
Backport Iif (#31353)
This commit is contained in:
parent
6d0d4640f6
commit
cdd057c7a3
2 changed files with 70 additions and 2 deletions
|
@ -9,6 +9,7 @@ import (
|
|||
"html"
|
||||
"html/template"
|
||||
"net/url"
|
||||
"reflect"
|
||||
"slices"
|
||||
"strings"
|
||||
"time"
|
||||
|
@ -237,8 +238,8 @@ func DotEscape(raw string) string {
|
|||
|
||||
// Iif is an "inline-if", similar util.Iif[T] but templates need the non-generic version,
|
||||
// and it could be simply used as "{{Iif expr trueVal}}" (omit the falseVal).
|
||||
func Iif(condition bool, vals ...any) any {
|
||||
if condition {
|
||||
func Iif(condition any, vals ...any) any {
|
||||
if isTemplateTruthy(condition) {
|
||||
return vals[0]
|
||||
} else if len(vals) > 1 {
|
||||
return vals[1]
|
||||
|
@ -246,6 +247,32 @@ func Iif(condition bool, vals ...any) any {
|
|||
return nil
|
||||
}
|
||||
|
||||
func isTemplateTruthy(v any) bool {
|
||||
if v == nil {
|
||||
return false
|
||||
}
|
||||
|
||||
rv := reflect.ValueOf(v)
|
||||
switch rv.Kind() {
|
||||
case reflect.Bool:
|
||||
return rv.Bool()
|
||||
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
||||
return rv.Int() != 0
|
||||
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
|
||||
return rv.Uint() != 0
|
||||
case reflect.Float32, reflect.Float64:
|
||||
return rv.Float() != 0
|
||||
case reflect.Complex64, reflect.Complex128:
|
||||
return rv.Complex() != 0
|
||||
case reflect.String, reflect.Slice, reflect.Array, reflect.Map:
|
||||
return rv.Len() > 0
|
||||
case reflect.Struct:
|
||||
return true
|
||||
default:
|
||||
return !rv.IsNil()
|
||||
}
|
||||
}
|
||||
|
||||
// Eval the expression and return the result, see the comment of eval.Expr for details.
|
||||
// To use this helper function in templates, pass each token as a separate parameter.
|
||||
//
|
||||
|
|
|
@ -5,8 +5,11 @@ package templates
|
|||
|
||||
import (
|
||||
"html/template"
|
||||
"strings"
|
||||
"testing"
|
||||
|
||||
"code.gitea.io/gitea/modules/util"
|
||||
|
||||
"github.com/stretchr/testify/assert"
|
||||
)
|
||||
|
||||
|
@ -65,3 +68,41 @@ func TestHTMLFormat(t *testing.T) {
|
|||
func TestSanitizeHTML(t *testing.T) {
|
||||
assert.Equal(t, template.HTML(`<a href="/" rel="nofollow">link</a> xss <div>inline</div>`), SanitizeHTML(`<a href="/">link</a> <a href="javascript:">xss</a> <div style="dangerous">inline</div>`))
|
||||
}
|
||||
|
||||
func TestTemplateTruthy(t *testing.T) {
|
||||
tmpl := template.New("test")
|
||||
tmpl.Funcs(template.FuncMap{"Iif": Iif})
|
||||
template.Must(tmpl.Parse(`{{if .Value}}true{{else}}false{{end}}:{{Iif .Value "true" "false"}}`))
|
||||
|
||||
cases := []any{
|
||||
nil, false, true, "", "string", 0, 1,
|
||||
byte(0), byte(1), int64(0), int64(1), float64(0), float64(1),
|
||||
complex(0, 0), complex(1, 0),
|
||||
(chan int)(nil), make(chan int),
|
||||
(func())(nil), func() {},
|
||||
util.ToPointer(0), util.ToPointer(util.ToPointer(0)),
|
||||
util.ToPointer(1), util.ToPointer(util.ToPointer(1)),
|
||||
[0]int{},
|
||||
[1]int{0},
|
||||
[]int(nil),
|
||||
[]int{},
|
||||
[]int{0},
|
||||
map[any]any(nil),
|
||||
map[any]any{},
|
||||
map[any]any{"k": "v"},
|
||||
(*struct{})(nil),
|
||||
struct{}{},
|
||||
util.ToPointer(struct{}{}),
|
||||
}
|
||||
w := &strings.Builder{}
|
||||
truthyCount := 0
|
||||
for i, v := range cases {
|
||||
w.Reset()
|
||||
assert.NoError(t, tmpl.Execute(w, struct{ Value any }{v}), "case %d (%T) %#v fails", i, v, v)
|
||||
out := w.String()
|
||||
truthyCount += util.Iif(out == "true:true", 1, 0)
|
||||
truthyMatches := out == "true:true" || out == "false:false"
|
||||
assert.True(t, truthyMatches, "case %d (%T) %#v fail: %s", i, v, v, out)
|
||||
}
|
||||
assert.True(t, truthyCount != 0 && truthyCount != len(cases))
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue