hugo fields 源码
hugo fields 代码
文件路径：/resources/postpub/fields.go
// Copyright 2020 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package postpub
import (
"reflect"
)
const (
FieldNotSupported = "__field_not_supported"
)
func structToMapWithPlaceholders(root string, in any, createPlaceholder func(s string) string) map[string]any {
m := structToMap(in)
insertFieldPlaceholders(root, m, createPlaceholder)
return m
}
func structToMap(s any) map[string]any {
m := make(map[string]any)
t := reflect.TypeOf(s)
for i := 0; i < t.NumMethod(); i++ {
method := t.Method(i)
if method.PkgPath != "" {
continue
}
if method.Type.NumIn() == 1 {
m[method.Name] = ""
}
}
for i := 0; i < t.NumField(); i++ {
field := t.Field(i)
if field.PkgPath != "" {
continue
}
m[field.Name] = ""
}
return m
}
// insert placeholder for the templates. Do it very shallow for now.
func insertFieldPlaceholders(root string, m map[string]any, createPlaceholder func(s string) string) {
for k := range m {
m[k] = createPlaceholder(root + "." + k)
}
}
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