khenaidoo | ffe076b | 2019-01-15 16:08:08 -0500 | [diff] [blame^] | 1 | // +build codecgen.exec |
| 2 | |
| 3 | // Copyright (c) 2012-2015 Ugorji Nwoke. All rights reserved. |
| 4 | // Use of this source code is governed by a MIT license found in the LICENSE file. |
| 5 | |
| 6 | package codec |
| 7 | |
| 8 | // DO NOT EDIT. THIS FILE IS AUTO-GENERATED FROM gen-dec-(map|array).go.tmpl |
| 9 | |
| 10 | const genDecMapTmpl = ` |
| 11 | {{var "v"}} := *{{ .Varname }} |
| 12 | {{var "l"}} := r.ReadMapStart() |
| 13 | {{var "bh"}} := z.DecBasicHandle() |
| 14 | if {{var "v"}} == nil { |
| 15 | {{var "rl"}} := z.DecInferLen({{var "l"}}, {{var "bh"}}.MaxInitLen, {{ .Size }}) |
| 16 | {{var "v"}} = make(map[{{ .KTyp }}]{{ .Typ }}, {{var "rl"}}) |
| 17 | *{{ .Varname }} = {{var "v"}} |
| 18 | } |
| 19 | var {{var "mk"}} {{ .KTyp }} |
| 20 | var {{var "mv"}} {{ .Typ }} |
| 21 | var {{var "mg"}}, {{var "mdn"}} {{if decElemKindPtr}}, {{var "ms"}}, {{var "mok"}}{{end}} bool |
| 22 | if {{var "bh"}}.MapValueReset { |
| 23 | {{if decElemKindPtr}}{{var "mg"}} = true |
| 24 | {{else if decElemKindIntf}}if !{{var "bh"}}.InterfaceReset { {{var "mg"}} = true } |
| 25 | {{else if not decElemKindImmutable}}{{var "mg"}} = true |
| 26 | {{end}} } |
| 27 | if {{var "l"}} != 0 { |
| 28 | {{var "hl"}} := {{var "l"}} > 0 |
| 29 | for {{var "j"}} := 0; ({{var "hl"}} && {{var "j"}} < {{var "l"}}) || !({{var "hl"}} || r.CheckBreak()); {{var "j"}}++ { |
| 30 | r.ReadMapElemKey() {{/* z.DecSendContainerState(codecSelfer_containerMapKey{{ .Sfx }}) */}} |
| 31 | {{ $x := printf "%vmk%v" .TempVar .Rand }}{{ decLineVarK $x }} |
| 32 | {{ if eq .KTyp "interface{}" }}{{/* // special case if a byte array. */}}if {{var "bv"}}, {{var "bok"}} := {{var "mk"}}.([]byte); {{var "bok"}} { |
| 33 | {{var "mk"}} = string({{var "bv"}}) |
| 34 | }{{ end }}{{if decElemKindPtr}} |
| 35 | {{var "ms"}} = true{{end}} |
| 36 | if {{var "mg"}} { |
| 37 | {{if decElemKindPtr}}{{var "mv"}}, {{var "mok"}} = {{var "v"}}[{{var "mk"}}] |
| 38 | if {{var "mok"}} { |
| 39 | {{var "ms"}} = false |
| 40 | } {{else}}{{var "mv"}} = {{var "v"}}[{{var "mk"}}] {{end}} |
| 41 | } {{if not decElemKindImmutable}}else { {{var "mv"}} = {{decElemZero}} }{{end}} |
| 42 | r.ReadMapElemValue() {{/* z.DecSendContainerState(codecSelfer_containerMapValue{{ .Sfx }}) */}} |
| 43 | {{var "mdn"}} = false |
| 44 | {{ $x := printf "%vmv%v" .TempVar .Rand }}{{ $y := printf "%vmdn%v" .TempVar .Rand }}{{ decLineVar $x $y }} |
| 45 | if {{var "mdn"}} { |
| 46 | if {{ var "bh" }}.DeleteOnNilMapValue { delete({{var "v"}}, {{var "mk"}}) } else { {{var "v"}}[{{var "mk"}}] = {{decElemZero}} } |
| 47 | } else if {{if decElemKindPtr}} {{var "ms"}} && {{end}} {{var "v"}} != nil { |
| 48 | {{var "v"}}[{{var "mk"}}] = {{var "mv"}} |
| 49 | } |
| 50 | } |
| 51 | } // else len==0: TODO: Should we clear map entries? |
| 52 | r.ReadMapEnd() {{/* z.DecSendContainerState(codecSelfer_containerMapEnd{{ .Sfx }}) */}} |
| 53 | ` |
| 54 | |
| 55 | const genDecListTmpl = ` |
| 56 | {{var "v"}} := {{if not isArray}}*{{end}}{{ .Varname }} |
| 57 | {{var "h"}}, {{var "l"}} := z.DecSliceHelperStart() {{/* // helper, containerLenS */}}{{if not isArray}} |
| 58 | var {{var "c"}} bool {{/* // changed */}} |
| 59 | _ = {{var "c"}}{{end}} |
| 60 | if {{var "l"}} == 0 { |
| 61 | {{if isSlice }}if {{var "v"}} == nil { |
| 62 | {{var "v"}} = []{{ .Typ }}{} |
| 63 | {{var "c"}} = true |
| 64 | } else if len({{var "v"}}) != 0 { |
| 65 | {{var "v"}} = {{var "v"}}[:0] |
| 66 | {{var "c"}} = true |
| 67 | } {{else if isChan }}if {{var "v"}} == nil { |
| 68 | {{var "v"}} = make({{ .CTyp }}, 0) |
| 69 | {{var "c"}} = true |
| 70 | } {{end}} |
| 71 | } else { |
| 72 | {{var "hl"}} := {{var "l"}} > 0 |
| 73 | var {{var "rl"}} int |
| 74 | _ = {{var "rl"}} |
| 75 | {{if isSlice }} if {{var "hl"}} { |
| 76 | if {{var "l"}} > cap({{var "v"}}) { |
| 77 | {{var "rl"}} = z.DecInferLen({{var "l"}}, z.DecBasicHandle().MaxInitLen, {{ .Size }}) |
| 78 | if {{var "rl"}} <= cap({{var "v"}}) { |
| 79 | {{var "v"}} = {{var "v"}}[:{{var "rl"}}] |
| 80 | } else { |
| 81 | {{var "v"}} = make([]{{ .Typ }}, {{var "rl"}}) |
| 82 | } |
| 83 | {{var "c"}} = true |
| 84 | } else if {{var "l"}} != len({{var "v"}}) { |
| 85 | {{var "v"}} = {{var "v"}}[:{{var "l"}}] |
| 86 | {{var "c"}} = true |
| 87 | } |
| 88 | } {{end}} |
| 89 | var {{var "j"}} int |
| 90 | // var {{var "dn"}} bool |
| 91 | for ; ({{var "hl"}} && {{var "j"}} < {{var "l"}}) || !({{var "hl"}} || r.CheckBreak()); {{var "j"}}++ { |
| 92 | {{if not isArray}} if {{var "j"}} == 0 && {{var "v"}} == nil { |
| 93 | if {{var "hl"}} { |
| 94 | {{var "rl"}} = z.DecInferLen({{var "l"}}, z.DecBasicHandle().MaxInitLen, {{ .Size }}) |
| 95 | } else { |
| 96 | {{var "rl"}} = {{if isSlice}}8{{else if isChan}}64{{end}} |
| 97 | } |
| 98 | {{var "v"}} = make({{if isSlice}}[]{{ .Typ }}{{else if isChan}}{{.CTyp}}{{end}}, {{var "rl"}}) |
| 99 | {{var "c"}} = true |
| 100 | }{{end}} |
| 101 | {{var "h"}}.ElemContainerState({{var "j"}}) |
| 102 | {{/* {{var "dn"}} = r.TryDecodeAsNil() */}}{{/* commented out, as decLineVar handles this already each time */}} |
| 103 | {{if isChan}}{{ $x := printf "%[1]vvcx%[2]v" .TempVar .Rand }}var {{$x}} {{ .Typ }} |
| 104 | {{ decLineVar $x }} |
| 105 | {{var "v"}} <- {{ $x }} |
| 106 | // println(">>>> sending ", {{ $x }}, " into ", {{var "v"}}) // TODO: remove this |
| 107 | {{else}}{{/* // if indefinite, etc, then expand the slice if necessary */}} |
| 108 | var {{var "db"}} bool |
| 109 | if {{var "j"}} >= len({{var "v"}}) { |
| 110 | {{if isSlice }} {{var "v"}} = append({{var "v"}}, {{ zero }}) |
| 111 | {{var "c"}} = true |
| 112 | {{else}} z.DecArrayCannotExpand(len(v), {{var "j"}}+1); {{var "db"}} = true |
| 113 | {{end}} |
| 114 | } |
| 115 | if {{var "db"}} { |
| 116 | z.DecSwallow() |
| 117 | } else { |
| 118 | {{ $x := printf "%[1]vv%[2]v[%[1]vj%[2]v]" .TempVar .Rand }}{{ decLineVar $x }} |
| 119 | } |
| 120 | {{end}} |
| 121 | } |
| 122 | {{if isSlice}} if {{var "j"}} < len({{var "v"}}) { |
| 123 | {{var "v"}} = {{var "v"}}[:{{var "j"}}] |
| 124 | {{var "c"}} = true |
| 125 | } else if {{var "j"}} == 0 && {{var "v"}} == nil { |
| 126 | {{var "v"}} = make([]{{ .Typ }}, 0) |
| 127 | {{var "c"}} = true |
| 128 | } {{end}} |
| 129 | } |
| 130 | {{var "h"}}.End() |
| 131 | {{if not isArray }}if {{var "c"}} { |
| 132 | *{{ .Varname }} = {{var "v"}} |
| 133 | }{{end}} |
| 134 | ` |
| 135 | |
| 136 | const genEncChanTmpl = ` |
| 137 | {{.Label}}: |
| 138 | switch timeout{{.Sfx}} := z.EncBasicHandle().ChanRecvTimeout; { |
| 139 | case timeout{{.Sfx}} == 0: // only consume available |
| 140 | for { |
| 141 | select { |
| 142 | case b{{.Sfx}} := <-{{.Chan}}: |
| 143 | {{ .Slice }} = append({{.Slice}}, b{{.Sfx}}) |
| 144 | default: |
| 145 | break {{.Label}} |
| 146 | } |
| 147 | } |
| 148 | case timeout{{.Sfx}} > 0: // consume until timeout |
| 149 | tt{{.Sfx}} := time.NewTimer(timeout{{.Sfx}}) |
| 150 | for { |
| 151 | select { |
| 152 | case b{{.Sfx}} := <-{{.Chan}}: |
| 153 | {{.Slice}} = append({{.Slice}}, b{{.Sfx}}) |
| 154 | case <-tt{{.Sfx}}.C: |
| 155 | // close(tt.C) |
| 156 | break {{.Label}} |
| 157 | } |
| 158 | } |
| 159 | default: // consume until close |
| 160 | for b{{.Sfx}} := range {{.Chan}} { |
| 161 | {{.Slice}} = append({{.Slice}}, b{{.Sfx}}) |
| 162 | } |
| 163 | } |
| 164 | ` |