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khenaidooffe076b2019-01-15 16:08:08 -05001// +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
6package codec
7
8// DO NOT EDIT. THIS FILE IS AUTO-GENERATED FROM gen-dec-(map|array).go.tmpl
9
10const genDecMapTmpl = `
11{{var "v"}} := *{{ .Varname }}
12{{var "l"}} := r.ReadMapStart()
13{{var "bh"}} := z.DecBasicHandle()
14if {{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}
19var {{var "mk"}} {{ .KTyp }}
20var {{var "mv"}} {{ .Typ }}
21var {{var "mg"}}, {{var "mdn"}} {{if decElemKindPtr}}, {{var "ms"}}, {{var "mok"}}{{end}} bool
22if {{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}} }
27if {{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?
52r.ReadMapEnd() {{/* z.DecSendContainerState(codecSelfer_containerMapEnd{{ .Sfx }}) */}}
53`
54
55const genDecListTmpl = `
56{{var "v"}} := {{if not isArray}}*{{end}}{{ .Varname }}
57{{var "h"}}, {{var "l"}} := z.DecSliceHelperStart() {{/* // helper, containerLenS */}}{{if not isArray}}
58var {{var "c"}} bool {{/* // changed */}}
59_ = {{var "c"}}{{end}}
60if {{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
136const genEncChanTmpl = `
137{{.Label}}:
138switch timeout{{.Sfx}} := z.EncBasicHandle().ChanRecvTimeout; {
139case 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 }
148case 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 }
159default: // consume until close
160 for b{{.Sfx}} := range {{.Chan}} {
161 {{.Slice}} = append({{.Slice}}, b{{.Sfx}})
162 }
163}
164`