gen.generated.go 4.2 KB

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  1. // Copyright (c) 2012-2015 Ugorji Nwoke. All rights reserved.
  2. // Use of this source code is governed by a MIT license found in the LICENSE file.
  3. package codec
  4. // DO NOT EDIT. THIS FILE IS AUTO-GENERATED FROM gen-dec-(map|array).go.tmpl
  5. const genDecMapTmpl = `
  6. {{var "v"}} := *{{ .Varname }}
  7. {{var "l"}} := r.ReadMapStart()
  8. if {{var "v"}} == nil {
  9. if {{var "l"}} > 0 {
  10. {{var "v"}} = make(map[{{ .KTyp }}]{{ .Typ }}, {{var "l"}})
  11. } else {
  12. {{var "v"}} = make(map[{{ .KTyp }}]{{ .Typ }}) // supports indefinite-length, etc
  13. }
  14. *{{ .Varname }} = {{var "v"}}
  15. }
  16. if {{var "l"}} > 0 {
  17. for {{var "j"}} := 0; {{var "j"}} < {{var "l"}}; {{var "j"}}++ {
  18. var {{var "mk"}} {{ .KTyp }}
  19. {{ $x := printf "%vmk%v" .TempVar .Rand }}{{ decLineVarK $x }}
  20. {{ if eq .KTyp "interface{}" }}// special case if a byte array.
  21. if {{var "bv"}}, {{var "bok"}} := {{var "mk"}}.([]byte); {{var "bok"}} {
  22. {{var "mk"}} = string({{var "bv"}})
  23. }
  24. {{ end }}
  25. {{var "mv"}} := {{var "v"}}[{{var "mk"}}]
  26. {{ $x := printf "%vmv%v" .TempVar .Rand }}{{ decLineVar $x }}
  27. if {{var "v"}} != nil {
  28. {{var "v"}}[{{var "mk"}}] = {{var "mv"}}
  29. }
  30. }
  31. } else if {{var "l"}} < 0 {
  32. for {{var "j"}} := 0; !r.CheckBreak(); {{var "j"}}++ {
  33. if {{var "j"}} > 0 {
  34. r.ReadMapEntrySeparator()
  35. }
  36. var {{var "mk"}} {{ .KTyp }}
  37. {{ $x := printf "%vmk%v" .TempVar .Rand }}{{ decLineVarK $x }}
  38. {{ if eq .KTyp "interface{}" }}// special case if a byte array.
  39. if {{var "bv"}}, {{var "bok"}} := {{var "mk"}}.([]byte); {{var "bok"}} {
  40. {{var "mk"}} = string({{var "bv"}})
  41. }
  42. {{ end }}
  43. r.ReadMapKVSeparator()
  44. {{var "mv"}} := {{var "v"}}[{{var "mk"}}]
  45. {{ $x := printf "%vmv%v" .TempVar .Rand }}{{ decLineVar $x }}
  46. if {{var "v"}} != nil {
  47. {{var "v"}}[{{var "mk"}}] = {{var "mv"}}
  48. }
  49. }
  50. r.ReadMapEnd()
  51. } // else len==0: TODO: Should we clear map entries?
  52. `
  53. const genDecListTmpl = `
  54. {{var "v"}} := {{ if not isArray}}*{{ end }}{{ .Varname }}
  55. {{var "h"}}, {{var "l"}} := z.DecSliceHelperStart()
  56. var {{var "c"}} bool
  57. _ = {{var "c"}}
  58. {{ if not isArray }}if {{var "v"}} == nil {
  59. if {{var "l"}} <= 0 {
  60. {{var "v"}} = make({{ .CTyp }}, 0)
  61. } else {
  62. {{var "v"}} = make({{ .CTyp }}, {{var "l"}})
  63. }
  64. {{var "c"}} = true
  65. }
  66. {{ end }}
  67. if {{var "l"}} == 0 { {{ if isSlice }}
  68. if len({{var "v"}}) != 0 {
  69. {{var "v"}} = {{var "v"}}[:0]
  70. {{var "c"}} = true
  71. } {{ end }}
  72. } else if {{var "l"}} > 0 {
  73. {{ if isChan }}
  74. for {{var "r"}} := 0; {{var "r"}} < {{var "l"}}; {{var "r"}}++ {
  75. var {{var "t"}} {{ .Typ }}
  76. {{ $x := printf "%st%s" .TempVar .Rand }}{{ decLineVar $x }}
  77. {{var "v"}} <- {{var "t"}}
  78. {{ else }}
  79. {{var "n"}} := {{var "l"}}
  80. if {{var "l"}} > cap({{var "v"}}) {
  81. {{ if isArray }}z.DecArrayCannotExpand(len({{var "v"}}), {{var "l"}})
  82. {{var "n"}} = len({{var "v"}})
  83. {{ else }}{{ if .Immutable }}
  84. {{var "v2"}} := {{var "v"}}
  85. {{var "v"}} = make([]{{ .Typ }}, {{var "l"}}, {{var "l"}})
  86. if len({{var "v"}}) > 0 {
  87. copy({{var "v"}}, {{var "v2"}}[:cap({{var "v2"}})])
  88. }
  89. {{ else }}{{var "v"}} = make([]{{ .Typ }}, {{var "l"}}, {{var "l"}})
  90. {{ end }}{{var "c"}} = true
  91. {{ end }}
  92. } else if {{var "l"}} != len({{var "v"}}) {
  93. {{ if isSlice }}{{var "v"}} = {{var "v"}}[:{{var "l"}}]
  94. {{var "c"}} = true {{ end }}
  95. }
  96. {{var "j"}} := 0
  97. for ; {{var "j"}} < {{var "n"}} ; {{var "j"}}++ {
  98. {{ $x := printf "%[1]vv%[2]v[%[1]vj%[2]v]" .TempVar .Rand }}{{ decLineVar $x }}
  99. } {{ if isArray }}
  100. for ; {{var "j"}} < {{var "l"}} ; {{var "j"}}++ {
  101. z.DecSwallow()
  102. }{{ end }}
  103. {{ end }}{{/* closing if not chan */}}
  104. } else {
  105. for {{var "j"}} := 0; !r.CheckBreak(); {{var "j"}}++ {
  106. if {{var "j"}} >= len({{var "v"}}) {
  107. {{ if isArray }}z.DecArrayCannotExpand(len({{var "v"}}), {{var "j"}}+1)
  108. {{ else if isSlice}}{{var "v"}} = append({{var "v"}}, {{zero}})// var {{var "z"}} {{ .Typ }}
  109. {{var "c"}} = true {{ end }}
  110. }
  111. if {{var "j"}} > 0 {
  112. {{var "h"}}.Sep({{var "j"}})
  113. }
  114. {{ if isChan}}
  115. var {{var "t"}} {{ .Typ }}
  116. {{ $x := printf "%st%s" .TempVar .Rand }}{{ decLineVar $x }}
  117. {{var "v"}} <- {{var "t"}}
  118. {{ else }}
  119. if {{var "j"}} < len({{var "v"}}) {
  120. {{ $x := printf "%[1]vv%[2]v[%[1]vj%[2]v]" .TempVar .Rand }}{{ decLineVar $x }}
  121. } else {
  122. z.DecSwallow()
  123. }
  124. {{ end }}
  125. }
  126. {{var "h"}}.End()
  127. }
  128. {{ if not isArray }}if {{var "c"}} {
  129. *{{ .Varname }} = {{var "v"}}
  130. }{{ end }}
  131. `