author | Mikael Berthe <mikael@lilotux.net> |
Sat, 29 Sep 2018 18:09:54 +0200 | |
changeset 242 | 2a9ec03fe5a1 |
child 251 | 1c52a0eeb952 |
permissions | -rw-r--r-- |
242
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1 |
package toml |
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2 |
|
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3 |
import ( |
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4 |
"bytes" |
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5 |
"errors" |
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6 |
"fmt" |
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7 |
"io" |
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8 |
"reflect" |
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9 |
"strconv" |
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10 |
"strings" |
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11 |
"time" |
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12 |
) |
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13 |
|
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14 |
const tagKeyMultiline = "multiline" |
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15 |
|
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16 |
type tomlOpts struct { |
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17 |
name string |
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18 |
comment string |
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19 |
commented bool |
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20 |
multiline bool |
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21 |
include bool |
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22 |
omitempty bool |
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23 |
} |
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24 |
|
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25 |
type encOpts struct { |
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26 |
quoteMapKeys bool |
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27 |
arraysOneElementPerLine bool |
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28 |
} |
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29 |
|
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30 |
var encOptsDefaults = encOpts{ |
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31 |
quoteMapKeys: false, |
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32 |
} |
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33 |
|
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34 |
var timeType = reflect.TypeOf(time.Time{}) |
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35 |
var marshalerType = reflect.TypeOf(new(Marshaler)).Elem() |
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36 |
|
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37 |
// Check if the given marshall type maps to a Tree primitive |
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38 |
func isPrimitive(mtype reflect.Type) bool { |
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39 |
switch mtype.Kind() { |
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40 |
case reflect.Ptr: |
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41 |
return isPrimitive(mtype.Elem()) |
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42 |
case reflect.Bool: |
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43 |
return true |
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44 |
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: |
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45 |
return true |
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46 |
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64: |
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47 |
return true |
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48 |
case reflect.Float32, reflect.Float64: |
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49 |
return true |
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50 |
case reflect.String: |
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51 |
return true |
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52 |
case reflect.Struct: |
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53 |
return mtype == timeType || isCustomMarshaler(mtype) |
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54 |
default: |
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55 |
return false |
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56 |
} |
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57 |
} |
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58 |
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59 |
// Check if the given marshall type maps to a Tree slice |
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60 |
func isTreeSlice(mtype reflect.Type) bool { |
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61 |
switch mtype.Kind() { |
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62 |
case reflect.Slice: |
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63 |
return !isOtherSlice(mtype) |
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64 |
default: |
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65 |
return false |
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66 |
} |
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67 |
} |
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68 |
|
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69 |
// Check if the given marshall type maps to a non-Tree slice |
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70 |
func isOtherSlice(mtype reflect.Type) bool { |
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71 |
switch mtype.Kind() { |
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72 |
case reflect.Ptr: |
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73 |
return isOtherSlice(mtype.Elem()) |
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74 |
case reflect.Slice: |
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75 |
return isPrimitive(mtype.Elem()) || isOtherSlice(mtype.Elem()) |
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76 |
default: |
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77 |
return false |
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78 |
} |
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79 |
} |
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80 |
|
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81 |
// Check if the given marshall type maps to a Tree |
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82 |
func isTree(mtype reflect.Type) bool { |
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83 |
switch mtype.Kind() { |
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84 |
case reflect.Map: |
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85 |
return true |
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86 |
case reflect.Struct: |
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87 |
return !isPrimitive(mtype) |
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88 |
default: |
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89 |
return false |
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90 |
} |
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91 |
} |
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92 |
|
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93 |
func isCustomMarshaler(mtype reflect.Type) bool { |
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94 |
return mtype.Implements(marshalerType) |
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95 |
} |
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96 |
|
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97 |
func callCustomMarshaler(mval reflect.Value) ([]byte, error) { |
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98 |
return mval.Interface().(Marshaler).MarshalTOML() |
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99 |
} |
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100 |
|
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101 |
// Marshaler is the interface implemented by types that |
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102 |
// can marshal themselves into valid TOML. |
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103 |
type Marshaler interface { |
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104 |
MarshalTOML() ([]byte, error) |
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105 |
} |
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106 |
|
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107 |
/* |
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108 |
Marshal returns the TOML encoding of v. Behavior is similar to the Go json |
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109 |
encoder, except that there is no concept of a Marshaler interface or MarshalTOML |
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110 |
function for sub-structs, and currently only definite types can be marshaled |
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111 |
(i.e. no `interface{}`). |
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112 |
|
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113 |
The following struct annotations are supported: |
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114 |
|
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115 |
toml:"Field" Overrides the field's name to output. |
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116 |
omitempty When set, empty values and groups are not emitted. |
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117 |
comment:"comment" Emits a # comment on the same line. This supports new lines. |
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118 |
commented:"true" Emits the value as commented. |
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119 |
|
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120 |
Note that pointers are automatically assigned the "omitempty" option, as TOML |
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121 |
explicitly does not handle null values (saying instead the label should be |
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122 |
dropped). |
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123 |
|
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124 |
Tree structural types and corresponding marshal types: |
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125 |
|
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126 |
*Tree (*)struct, (*)map[string]interface{} |
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127 |
[]*Tree (*)[](*)struct, (*)[](*)map[string]interface{} |
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128 |
[]interface{} (as interface{}) (*)[]primitive, (*)[]([]interface{}) |
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129 |
interface{} (*)primitive |
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130 |
|
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131 |
Tree primitive types and corresponding marshal types: |
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132 |
|
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133 |
uint64 uint, uint8-uint64, pointers to same |
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134 |
int64 int, int8-uint64, pointers to same |
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135 |
float64 float32, float64, pointers to same |
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136 |
string string, pointers to same |
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137 |
bool bool, pointers to same |
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138 |
time.Time time.Time{}, pointers to same |
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139 |
*/ |
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140 |
func Marshal(v interface{}) ([]byte, error) { |
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141 |
return NewEncoder(nil).marshal(v) |
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142 |
} |
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143 |
|
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144 |
// Encoder writes TOML values to an output stream. |
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145 |
type Encoder struct { |
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146 |
w io.Writer |
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147 |
encOpts |
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148 |
} |
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149 |
|
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150 |
// NewEncoder returns a new encoder that writes to w. |
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151 |
func NewEncoder(w io.Writer) *Encoder { |
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152 |
return &Encoder{ |
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153 |
w: w, |
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154 |
encOpts: encOptsDefaults, |
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155 |
} |
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156 |
} |
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157 |
|
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158 |
// Encode writes the TOML encoding of v to the stream. |
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159 |
// |
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160 |
// See the documentation for Marshal for details. |
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161 |
func (e *Encoder) Encode(v interface{}) error { |
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162 |
b, err := e.marshal(v) |
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163 |
if err != nil { |
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164 |
return err |
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165 |
} |
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166 |
if _, err := e.w.Write(b); err != nil { |
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167 |
return err |
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168 |
} |
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169 |
return nil |
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170 |
} |
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171 |
|
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172 |
// QuoteMapKeys sets up the encoder to encode |
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173 |
// maps with string type keys with quoted TOML keys. |
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174 |
// |
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175 |
// This relieves the character limitations on map keys. |
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176 |
func (e *Encoder) QuoteMapKeys(v bool) *Encoder { |
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177 |
e.quoteMapKeys = v |
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178 |
return e |
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179 |
} |
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180 |
|
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181 |
// ArraysWithOneElementPerLine sets up the encoder to encode arrays |
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182 |
// with more than one element on multiple lines instead of one. |
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183 |
// |
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184 |
// For example: |
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185 |
// |
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186 |
// A = [1,2,3] |
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187 |
// |
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188 |
// Becomes |
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189 |
// |
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|
190 |
// A = [ |
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|
191 |
// 1, |
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192 |
// 2, |
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193 |
// 3, |
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194 |
// ] |
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195 |
func (e *Encoder) ArraysWithOneElementPerLine(v bool) *Encoder { |
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196 |
e.arraysOneElementPerLine = v |
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|
197 |
return e |
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|
198 |
} |
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|
199 |
|
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|
200 |
func (e *Encoder) marshal(v interface{}) ([]byte, error) { |
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|
201 |
mtype := reflect.TypeOf(v) |
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|
202 |
if mtype.Kind() != reflect.Struct { |
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|
203 |
return []byte{}, errors.New("Only a struct can be marshaled to TOML") |
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|
204 |
} |
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|
205 |
sval := reflect.ValueOf(v) |
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|
206 |
if isCustomMarshaler(mtype) { |
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|
207 |
return callCustomMarshaler(sval) |
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|
208 |
} |
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|
209 |
t, err := e.valueToTree(mtype, sval) |
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|
210 |
if err != nil { |
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|
211 |
return []byte{}, err |
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|
212 |
} |
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|
213 |
|
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|
214 |
var buf bytes.Buffer |
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|
215 |
_, err = t.writeTo(&buf, "", "", 0, e.arraysOneElementPerLine) |
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|
216 |
|
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|
217 |
return buf.Bytes(), err |
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|
218 |
} |
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|
219 |
|
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|
220 |
// Convert given marshal struct or map value to toml tree |
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|
221 |
func (e *Encoder) valueToTree(mtype reflect.Type, mval reflect.Value) (*Tree, error) { |
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|
222 |
if mtype.Kind() == reflect.Ptr { |
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|
223 |
return e.valueToTree(mtype.Elem(), mval.Elem()) |
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|
224 |
} |
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|
225 |
tval := newTree() |
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|
226 |
switch mtype.Kind() { |
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|
227 |
case reflect.Struct: |
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|
228 |
for i := 0; i < mtype.NumField(); i++ { |
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|
229 |
mtypef, mvalf := mtype.Field(i), mval.Field(i) |
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|
230 |
opts := tomlOptions(mtypef) |
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|
231 |
if opts.include && (!opts.omitempty || !isZero(mvalf)) { |
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|
232 |
val, err := e.valueToToml(mtypef.Type, mvalf) |
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|
233 |
if err != nil { |
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|
234 |
return nil, err |
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|
235 |
} |
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|
236 |
|
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|
237 |
tval.SetWithOptions(opts.name, SetOptions{ |
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|
238 |
Comment: opts.comment, |
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|
239 |
Commented: opts.commented, |
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|
240 |
Multiline: opts.multiline, |
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|
241 |
}, val) |
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|
242 |
} |
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|
243 |
} |
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|
244 |
case reflect.Map: |
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|
245 |
for _, key := range mval.MapKeys() { |
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|
246 |
mvalf := mval.MapIndex(key) |
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|
247 |
val, err := e.valueToToml(mtype.Elem(), mvalf) |
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|
248 |
if err != nil { |
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|
249 |
return nil, err |
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|
250 |
} |
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|
251 |
if e.quoteMapKeys { |
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|
252 |
keyStr, err := tomlValueStringRepresentation(key.String(), "", e.arraysOneElementPerLine) |
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parents:
diff
changeset
|
253 |
if err != nil { |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
254 |
return nil, err |
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|
255 |
} |
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parents:
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changeset
|
256 |
tval.SetPath([]string{keyStr}, val) |
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parents:
diff
changeset
|
257 |
} else { |
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parents:
diff
changeset
|
258 |
tval.Set(key.String(), val) |
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parents:
diff
changeset
|
259 |
} |
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parents:
diff
changeset
|
260 |
} |
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
261 |
} |
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
262 |
return tval, nil |
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
263 |
} |
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
264 |
|
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
265 |
// Convert given marshal slice to slice of Toml trees |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
266 |
func (e *Encoder) valueToTreeSlice(mtype reflect.Type, mval reflect.Value) ([]*Tree, error) { |
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parents:
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changeset
|
267 |
tval := make([]*Tree, mval.Len(), mval.Len()) |
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parents:
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changeset
|
268 |
for i := 0; i < mval.Len(); i++ { |
2a9ec03fe5a1
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parents:
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changeset
|
269 |
val, err := e.valueToTree(mtype.Elem(), mval.Index(i)) |
2a9ec03fe5a1
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parents:
diff
changeset
|
270 |
if err != nil { |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
271 |
return nil, err |
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changeset
|
272 |
} |
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changeset
|
273 |
tval[i] = val |
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parents:
diff
changeset
|
274 |
} |
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changeset
|
275 |
return tval, nil |
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changeset
|
276 |
} |
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changeset
|
277 |
|
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parents:
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changeset
|
278 |
// Convert given marshal slice to slice of toml values |
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parents:
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|
279 |
func (e *Encoder) valueToOtherSlice(mtype reflect.Type, mval reflect.Value) (interface{}, error) { |
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changeset
|
280 |
tval := make([]interface{}, mval.Len(), mval.Len()) |
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changeset
|
281 |
for i := 0; i < mval.Len(); i++ { |
2a9ec03fe5a1
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parents:
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changeset
|
282 |
val, err := e.valueToToml(mtype.Elem(), mval.Index(i)) |
2a9ec03fe5a1
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parents:
diff
changeset
|
283 |
if err != nil { |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
284 |
return nil, err |
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parents:
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changeset
|
285 |
} |
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changeset
|
286 |
tval[i] = val |
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parents:
diff
changeset
|
287 |
} |
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changeset
|
288 |
return tval, nil |
2a9ec03fe5a1
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parents:
diff
changeset
|
289 |
} |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
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changeset
|
290 |
|
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
291 |
// Convert given marshal value to toml value |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
292 |
func (e *Encoder) valueToToml(mtype reflect.Type, mval reflect.Value) (interface{}, error) { |
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Mikael Berthe <mikael@lilotux.net>
parents:
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changeset
|
293 |
if mtype.Kind() == reflect.Ptr { |
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parents:
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changeset
|
294 |
return e.valueToToml(mtype.Elem(), mval.Elem()) |
2a9ec03fe5a1
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changeset
|
295 |
} |
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
296 |
switch { |
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diff
changeset
|
297 |
case isCustomMarshaler(mtype): |
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changeset
|
298 |
return callCustomMarshaler(mval) |
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Mikael Berthe <mikael@lilotux.net>
parents:
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changeset
|
299 |
case isTree(mtype): |
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parents:
diff
changeset
|
300 |
return e.valueToTree(mtype, mval) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
301 |
case isTreeSlice(mtype): |
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parents:
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changeset
|
302 |
return e.valueToTreeSlice(mtype, mval) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
303 |
case isOtherSlice(mtype): |
2a9ec03fe5a1
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parents:
diff
changeset
|
304 |
return e.valueToOtherSlice(mtype, mval) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
305 |
default: |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
306 |
switch mtype.Kind() { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
307 |
case reflect.Bool: |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
308 |
return mval.Bool(), nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
309 |
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
310 |
return mval.Int(), nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
311 |
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
312 |
return mval.Uint(), nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
313 |
case reflect.Float32, reflect.Float64: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
314 |
return mval.Float(), nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
315 |
case reflect.String: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
316 |
return mval.String(), nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
317 |
case reflect.Struct: |
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Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
318 |
return mval.Interface().(time.Time), nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
319 |
default: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
320 |
return nil, fmt.Errorf("Marshal can't handle %v(%v)", mtype, mtype.Kind()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
321 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
322 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
323 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
324 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
325 |
// Unmarshal attempts to unmarshal the Tree into a Go struct pointed by v. |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
326 |
// Neither Unmarshaler interfaces nor UnmarshalTOML functions are supported for |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
327 |
// sub-structs, and only definite types can be unmarshaled. |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
328 |
func (t *Tree) Unmarshal(v interface{}) error { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
329 |
d := Decoder{tval: t} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
330 |
return d.unmarshal(v) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
331 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
332 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
333 |
// Marshal returns the TOML encoding of Tree. |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
334 |
// See Marshal() documentation for types mapping table. |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
335 |
func (t *Tree) Marshal() ([]byte, error) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
336 |
var buf bytes.Buffer |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
337 |
err := NewEncoder(&buf).Encode(t) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
338 |
return buf.Bytes(), err |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
339 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
340 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
341 |
// Unmarshal parses the TOML-encoded data and stores the result in the value |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
342 |
// pointed to by v. Behavior is similar to the Go json encoder, except that there |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
343 |
// is no concept of an Unmarshaler interface or UnmarshalTOML function for |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
344 |
// sub-structs, and currently only definite types can be unmarshaled to (i.e. no |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
345 |
// `interface{}`). |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
346 |
// |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
347 |
// The following struct annotations are supported: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
348 |
// |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
349 |
// toml:"Field" Overrides the field's name to map to. |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
350 |
// |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
351 |
// See Marshal() documentation for types mapping table. |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
352 |
func Unmarshal(data []byte, v interface{}) error { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
353 |
t, err := LoadReader(bytes.NewReader(data)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
354 |
if err != nil { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
355 |
return err |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
356 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
357 |
return t.Unmarshal(v) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
358 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
359 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
360 |
// Decoder reads and decodes TOML values from an input stream. |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
361 |
type Decoder struct { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
362 |
r io.Reader |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
363 |
tval *Tree |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
364 |
encOpts |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
365 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
366 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
367 |
// NewDecoder returns a new decoder that reads from r. |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
368 |
func NewDecoder(r io.Reader) *Decoder { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
369 |
return &Decoder{ |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
370 |
r: r, |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
371 |
encOpts: encOptsDefaults, |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
372 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
373 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
374 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
375 |
// Decode reads a TOML-encoded value from it's input |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
376 |
// and unmarshals it in the value pointed at by v. |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
377 |
// |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
378 |
// See the documentation for Marshal for details. |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
379 |
func (d *Decoder) Decode(v interface{}) error { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
380 |
var err error |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
381 |
d.tval, err = LoadReader(d.r) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
382 |
if err != nil { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
383 |
return err |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
384 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
385 |
return d.unmarshal(v) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
386 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
387 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
388 |
func (d *Decoder) unmarshal(v interface{}) error { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
389 |
mtype := reflect.TypeOf(v) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
390 |
if mtype.Kind() != reflect.Ptr || mtype.Elem().Kind() != reflect.Struct { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
391 |
return errors.New("Only a pointer to struct can be unmarshaled from TOML") |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
392 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
393 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
394 |
sval, err := d.valueFromTree(mtype.Elem(), d.tval) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
395 |
if err != nil { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
396 |
return err |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
397 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
398 |
reflect.ValueOf(v).Elem().Set(sval) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
399 |
return nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
400 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
401 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
402 |
// Convert toml tree to marshal struct or map, using marshal type |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
403 |
func (d *Decoder) valueFromTree(mtype reflect.Type, tval *Tree) (reflect.Value, error) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
404 |
if mtype.Kind() == reflect.Ptr { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
405 |
return d.unwrapPointer(mtype, tval) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
406 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
407 |
var mval reflect.Value |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
408 |
switch mtype.Kind() { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
409 |
case reflect.Struct: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
410 |
mval = reflect.New(mtype).Elem() |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
411 |
for i := 0; i < mtype.NumField(); i++ { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
412 |
mtypef := mtype.Field(i) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
413 |
opts := tomlOptions(mtypef) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
414 |
if opts.include { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
415 |
baseKey := opts.name |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
416 |
keysToTry := []string{baseKey, strings.ToLower(baseKey), strings.ToTitle(baseKey)} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
417 |
for _, key := range keysToTry { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
418 |
exists := tval.Has(key) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
419 |
if !exists { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
420 |
continue |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
421 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
422 |
val := tval.Get(key) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
423 |
mvalf, err := d.valueFromToml(mtypef.Type, val) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
424 |
if err != nil { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
425 |
return mval, formatError(err, tval.GetPosition(key)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
426 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
427 |
mval.Field(i).Set(mvalf) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
428 |
break |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
429 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
430 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
431 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
432 |
case reflect.Map: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
433 |
mval = reflect.MakeMap(mtype) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
434 |
for _, key := range tval.Keys() { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
435 |
// TODO: path splits key |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
436 |
val := tval.GetPath([]string{key}) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
437 |
mvalf, err := d.valueFromToml(mtype.Elem(), val) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
438 |
if err != nil { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
439 |
return mval, formatError(err, tval.GetPosition(key)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
440 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
441 |
mval.SetMapIndex(reflect.ValueOf(key), mvalf) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
442 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
443 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
444 |
return mval, nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
445 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
446 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
447 |
// Convert toml value to marshal struct/map slice, using marshal type |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
448 |
func (d *Decoder) valueFromTreeSlice(mtype reflect.Type, tval []*Tree) (reflect.Value, error) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
449 |
mval := reflect.MakeSlice(mtype, len(tval), len(tval)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
450 |
for i := 0; i < len(tval); i++ { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
451 |
val, err := d.valueFromTree(mtype.Elem(), tval[i]) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
452 |
if err != nil { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
453 |
return mval, err |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
454 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
455 |
mval.Index(i).Set(val) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
456 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
457 |
return mval, nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
458 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
459 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
460 |
// Convert toml value to marshal primitive slice, using marshal type |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
461 |
func (d *Decoder) valueFromOtherSlice(mtype reflect.Type, tval []interface{}) (reflect.Value, error) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
462 |
mval := reflect.MakeSlice(mtype, len(tval), len(tval)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
463 |
for i := 0; i < len(tval); i++ { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
464 |
val, err := d.valueFromToml(mtype.Elem(), tval[i]) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
465 |
if err != nil { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
466 |
return mval, err |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
467 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
468 |
mval.Index(i).Set(val) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
469 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
470 |
return mval, nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
471 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
472 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
473 |
// Convert toml value to marshal value, using marshal type |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
474 |
func (d *Decoder) valueFromToml(mtype reflect.Type, tval interface{}) (reflect.Value, error) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
475 |
if mtype.Kind() == reflect.Ptr { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
476 |
return d.unwrapPointer(mtype, tval) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
477 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
478 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
479 |
switch tval.(type) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
480 |
case *Tree: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
481 |
if isTree(mtype) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
482 |
return d.valueFromTree(mtype, tval.(*Tree)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
483 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
484 |
return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to a tree", tval, tval) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
485 |
case []*Tree: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
486 |
if isTreeSlice(mtype) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
487 |
return d.valueFromTreeSlice(mtype, tval.([]*Tree)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
488 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
489 |
return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to trees", tval, tval) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
490 |
case []interface{}: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
491 |
if isOtherSlice(mtype) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
492 |
return d.valueFromOtherSlice(mtype, tval.([]interface{})) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
493 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
494 |
return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to a slice", tval, tval) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
495 |
default: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
496 |
switch mtype.Kind() { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
497 |
case reflect.Bool, reflect.Struct: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
498 |
val := reflect.ValueOf(tval) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
499 |
// if this passes for when mtype is reflect.Struct, tval is a time.Time |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
500 |
if !val.Type().ConvertibleTo(mtype) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
501 |
return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to %v", tval, tval, mtype.String()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
502 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
503 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
504 |
return val.Convert(mtype), nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
505 |
case reflect.String: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
506 |
val := reflect.ValueOf(tval) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
507 |
// stupidly, int64 is convertible to string. So special case this. |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
508 |
if !val.Type().ConvertibleTo(mtype) || val.Kind() == reflect.Int64 { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
509 |
return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to %v", tval, tval, mtype.String()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
510 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
511 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
512 |
return val.Convert(mtype), nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
513 |
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
514 |
val := reflect.ValueOf(tval) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
515 |
if !val.Type().ConvertibleTo(mtype) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
516 |
return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to %v", tval, tval, mtype.String()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
517 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
518 |
if reflect.Indirect(reflect.New(mtype)).OverflowInt(val.Int()) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
519 |
return reflect.ValueOf(nil), fmt.Errorf("%v(%T) would overflow %v", tval, tval, mtype.String()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
520 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
521 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
522 |
return val.Convert(mtype), nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
523 |
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
524 |
val := reflect.ValueOf(tval) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
525 |
if !val.Type().ConvertibleTo(mtype) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
526 |
return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to %v", tval, tval, mtype.String()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
527 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
528 |
if val.Int() < 0 { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
529 |
return reflect.ValueOf(nil), fmt.Errorf("%v(%T) is negative so does not fit in %v", tval, tval, mtype.String()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
530 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
531 |
if reflect.Indirect(reflect.New(mtype)).OverflowUint(uint64(val.Int())) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
532 |
return reflect.ValueOf(nil), fmt.Errorf("%v(%T) would overflow %v", tval, tval, mtype.String()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
533 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
534 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
535 |
return val.Convert(mtype), nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
536 |
case reflect.Float32, reflect.Float64: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
537 |
val := reflect.ValueOf(tval) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
538 |
if !val.Type().ConvertibleTo(mtype) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
539 |
return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to %v", tval, tval, mtype.String()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
540 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
541 |
if reflect.Indirect(reflect.New(mtype)).OverflowFloat(val.Float()) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
542 |
return reflect.ValueOf(nil), fmt.Errorf("%v(%T) would overflow %v", tval, tval, mtype.String()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
543 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
544 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
545 |
return val.Convert(mtype), nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
546 |
default: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
547 |
return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to %v(%v)", tval, tval, mtype, mtype.Kind()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
548 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
549 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
550 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
551 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
552 |
func (d *Decoder) unwrapPointer(mtype reflect.Type, tval interface{}) (reflect.Value, error) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
553 |
val, err := d.valueFromToml(mtype.Elem(), tval) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
554 |
if err != nil { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
555 |
return reflect.ValueOf(nil), err |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
556 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
557 |
mval := reflect.New(mtype.Elem()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
558 |
mval.Elem().Set(val) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
559 |
return mval, nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
560 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
561 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
562 |
func tomlOptions(vf reflect.StructField) tomlOpts { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
563 |
tag := vf.Tag.Get("toml") |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
564 |
parse := strings.Split(tag, ",") |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
565 |
var comment string |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
566 |
if c := vf.Tag.Get("comment"); c != "" { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
567 |
comment = c |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
568 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
569 |
commented, _ := strconv.ParseBool(vf.Tag.Get("commented")) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
570 |
multiline, _ := strconv.ParseBool(vf.Tag.Get(tagKeyMultiline)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
571 |
result := tomlOpts{name: vf.Name, comment: comment, commented: commented, multiline: multiline, include: true, omitempty: false} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
572 |
if parse[0] != "" { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
573 |
if parse[0] == "-" && len(parse) == 1 { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
574 |
result.include = false |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
575 |
} else { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
576 |
result.name = strings.Trim(parse[0], " ") |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
577 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
578 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
579 |
if vf.PkgPath != "" { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
580 |
result.include = false |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
581 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
582 |
if len(parse) > 1 && strings.Trim(parse[1], " ") == "omitempty" { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
583 |
result.omitempty = true |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
584 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
585 |
if vf.Type.Kind() == reflect.Ptr { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
586 |
result.omitempty = true |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
587 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
588 |
return result |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
589 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
590 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
591 |
func isZero(val reflect.Value) bool { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
592 |
switch val.Type().Kind() { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
593 |
case reflect.Map: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
594 |
fallthrough |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
595 |
case reflect.Array: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
596 |
fallthrough |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
597 |
case reflect.Slice: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
598 |
return val.Len() == 0 |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
599 |
default: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
600 |
return reflect.DeepEqual(val.Interface(), reflect.Zero(val.Type()).Interface()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
601 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
602 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
603 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
604 |
func formatError(err error, pos Position) error { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
605 |
if err.Error()[0] == '(' { // Error already contains position information |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
606 |
return err |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
607 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
608 |
return fmt.Errorf("%s: %s", pos, err) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
609 |
} |