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88 lines
2.2 KiB
88 lines
2.2 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 rmap.go
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// Created by DEV
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// Modified 28/01/2024
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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/packs"
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"encoding"
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"reflect"
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"strconv"
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)
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type (
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RKeyValue struct {
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RKey reflect.Value
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RVal reflect.Value
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Key string
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}
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)
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func NewRKeyValue(key reflect.Value, value reflect.Value, stringifyFn func(v reflect.Value) (string,error), scapeFn func(string) string) (*RKeyValue,error) {
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kv := &RKeyValue{
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RKey : key,
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RVal : value,
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}
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if kv.RKey.Kind() == reflect.String {
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kv.Key = scapeFn(kv.RKey.String())
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return kv,nil
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}
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if tm,hs := kv.RKey.Interface().(encoding.TextMarshaler); hs {
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if kv.RKey.Kind() == reflect.Pointer && kv.RKey.IsNil() {
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return nil,packs.G.ErrInvalidKey
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}
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b,e := tm.MarshalText()
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if e != nil {
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return nil,packs.G.ErrInvalidKey
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}
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kv.Key = string(b)
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return kv,nil
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}
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if stringifyFn != nil {
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b,e := stringifyFn(kv.RKey)
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if e != nil {
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return nil,packs.G.ErrInvalidKey.WithCause(e)
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}
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kv.Key = scapeFn(b)
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return kv,nil
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}
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switch key.Kind() {
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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kv.Key = strconv.FormatInt(kv.RKey.Int(), 10)
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return kv,nil
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case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
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kv.Key= strconv.FormatUint(kv.RKey.Uint(), 10)
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return kv,nil
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}
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return nil,packs.G.ErrInvalidKey
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}
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