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111 lines
2.5 KiB
111 lines
2.5 KiB
// ------------------------------------------------------------------------
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// Project atila
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// Active Thing (activething.com) git.activething.com/go
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//
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// File name reflect_struct_field.go
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// Created by DEV
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// Modified 26/01/2024
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//
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// Copyright 2024 activething.com
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// ------------------------------------------------------------------------
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ------------------------------------------------------------------------
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package reflects
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import (
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"activething.com/go/gogo/core/opts"
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"activething.com/go/gogo/core/slices"
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"reflect"
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"strings"
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"unicode"
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)
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type (
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RField struct {
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RType reflect.Type
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RField reflect.StructField
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Name string
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SName string // scaped name
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HName string // html name
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BName []byte // name bytes
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Index []int
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Tags map[string]slices.String
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EqualFoldFn func(s, t []byte) bool
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}
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)
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func NewRField (rfield reflect.StructField, options ...opts.OptionFnc[RField]) *RField {
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rf := &RField {
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RField: rfield,
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Tags : make(map[string]slices.String),
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}
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rf.parseTag("json",nil)
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return opts.Apply(rf,options...)
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}
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func (f *RField) parseTag (tagKey string, onOptionFn func(*RField,int,string)) {
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if _,h := f.Tags[tagKey]; !h {
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t := f.RField.Tag.Get(tagKey)
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if len(t) > 0 {
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l := strings.Split(t,",")
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f.Tags[tagKey]= l
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if onOptionFn != nil {
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for i,o := range l {
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onOptionFn(f,i,o)
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}
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}
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}
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}
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}
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func parseTag (field reflect.StructField, tagKey string, onOptionFn func(int,string)) (slices.String,bool) {
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t := field.Tag.Get(tagKey)
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if len(t) > 0 {
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l := strings.Split(t,",")
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if onOptionFn != nil {
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for i,o := range l {
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onOptionFn(i,o)
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}
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}
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return l,true
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}
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return nil,true
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}
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func isValidTag(s string) bool {
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if s == "" {
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return false
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}
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for _, c := range s {
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switch {
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case strings.ContainsRune("!#$%&()*+-./:;<=>?@[]^_{|}~ ", c):
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case !unicode.IsLetter(c) && !unicode.IsDigit(c):
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return false
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}
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}
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return true
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} |