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134 lines
2.5 KiB
134 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 packer_list.go
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// Created by DEV
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// Modified 05/02/2024
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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 pkjson
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import (
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"apacks"
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"codecs/cjson"
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"reflect"
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)
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type (
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rList struct {
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packFn rPackerFnc
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}
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)
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func rListPacker (rtype reflect.Type) rPackerFnc {
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lp := *newRList(rtype)
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if rtype.Elem().Kind() != reflect.Uint8 {
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return lp.pack
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}
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if rtype.Kind() == reflect.Slice {
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return lp.packBinarySlice
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}
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return lp.packBinary
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}
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func newRList(rtype reflect.Type) *rList {
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return &rList{ packFn: rTypePacker(rtype.Elem()) }}
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func (p rList) packBinary (s *JSONPacker, v reflect.Value, f apacks.Flags) {
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if f.Binary() {
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packBinary(s, v.Interface().([]byte), f)
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return
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}
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p.pack(s,v,f)
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}
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func (p rList) packBinarySlice (s *JSONPacker, v reflect.Value, f apacks.Flags) {
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if f.Binary() {
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packBinary(s, v.Interface().([]byte), f)
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return
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}
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p.packSlice(s,v,f)
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}
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func (p rList) packSlice(s *JSONPacker, v reflect.Value, f apacks.Flags) {
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if v.IsNil() {
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s.state.W(cjson.G.NullValue)
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return
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}
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if s.state.Level > maxCyclesAfter {
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cp := struct {
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p interface{}
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l int
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}{
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p: v.UnsafePointer(),
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l: v.Len(),
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}
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if fn,ok := s.state.CheckCycle(cp); ok {
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defer fn()
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} else {
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s.state.SetError(apacks.G.ErrRedundantPack)
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return
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}
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}
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p.pack(s,v,f)
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}
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func (p rList) pack (s *JSONPacker, v reflect.Value, f apacks.Flags) {
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if v.IsNil() {
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s.state.W(cjson.G.NullValue)
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return
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}
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if v.Len() == 0 {
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s.state.Write2Byte('[',']')
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return
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}
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s.state.Open('[')
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for i:=0; i<v.Len(); i++ {
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if i > 0 {
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s.state.WriteByte(',')
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}
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p.packFn(s,v.Index(i),f)
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if s.state.Error != nil {
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return
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}
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}
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s.state.Close(']')
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}
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