author | Mikael Berthe <mikael@lilotux.net> |
Sun, 13 Jan 2019 13:41:09 +0100 | |
changeset 246 | 0998f404dd31 |
parent 242 | 2a9ec03fe5a1 |
permissions | -rw-r--r-- |
242
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1 |
package yaml |
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2 |
|
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3 |
import ( |
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4 |
"encoding" |
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5 |
"fmt" |
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6 |
"io" |
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7 |
"reflect" |
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8 |
"regexp" |
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9 |
"sort" |
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10 |
"strconv" |
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11 |
"strings" |
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12 |
"time" |
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13 |
"unicode/utf8" |
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14 |
) |
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15 |
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246 | 16 |
// jsonNumber is the interface of the encoding/json.Number datatype. |
17 |
// Repeating the interface here avoids a dependency on encoding/json, and also |
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18 |
// supports other libraries like jsoniter, which use a similar datatype with |
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19 |
// the same interface. Detecting this interface is useful when dealing with |
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20 |
// structures containing json.Number, which is a string under the hood. The |
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// encoder should prefer the use of Int64(), Float64() and string(), in that |
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22 |
// order, when encoding this type. |
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23 |
type jsonNumber interface { |
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24 |
Float64() (float64, error) |
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Int64() (int64, error) |
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26 |
String() string |
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27 |
} |
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28 |
||
242
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29 |
type encoder struct { |
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30 |
emitter yaml_emitter_t |
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31 |
event yaml_event_t |
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32 |
out []byte |
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33 |
flow bool |
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34 |
// doneInit holds whether the initial stream_start_event has been |
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35 |
// emitted. |
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36 |
doneInit bool |
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37 |
} |
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38 |
|
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39 |
func newEncoder() *encoder { |
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40 |
e := &encoder{} |
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41 |
yaml_emitter_initialize(&e.emitter) |
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42 |
yaml_emitter_set_output_string(&e.emitter, &e.out) |
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43 |
yaml_emitter_set_unicode(&e.emitter, true) |
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44 |
return e |
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45 |
} |
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46 |
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47 |
func newEncoderWithWriter(w io.Writer) *encoder { |
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48 |
e := &encoder{} |
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49 |
yaml_emitter_initialize(&e.emitter) |
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50 |
yaml_emitter_set_output_writer(&e.emitter, w) |
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51 |
yaml_emitter_set_unicode(&e.emitter, true) |
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52 |
return e |
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53 |
} |
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54 |
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55 |
func (e *encoder) init() { |
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56 |
if e.doneInit { |
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57 |
return |
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58 |
} |
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59 |
yaml_stream_start_event_initialize(&e.event, yaml_UTF8_ENCODING) |
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60 |
e.emit() |
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61 |
e.doneInit = true |
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62 |
} |
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63 |
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64 |
func (e *encoder) finish() { |
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65 |
e.emitter.open_ended = false |
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66 |
yaml_stream_end_event_initialize(&e.event) |
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67 |
e.emit() |
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68 |
} |
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69 |
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70 |
func (e *encoder) destroy() { |
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71 |
yaml_emitter_delete(&e.emitter) |
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72 |
} |
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73 |
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74 |
func (e *encoder) emit() { |
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75 |
// This will internally delete the e.event value. |
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76 |
e.must(yaml_emitter_emit(&e.emitter, &e.event)) |
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77 |
} |
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78 |
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79 |
func (e *encoder) must(ok bool) { |
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80 |
if !ok { |
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81 |
msg := e.emitter.problem |
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82 |
if msg == "" { |
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83 |
msg = "unknown problem generating YAML content" |
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84 |
} |
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85 |
failf("%s", msg) |
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86 |
} |
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87 |
} |
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88 |
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89 |
func (e *encoder) marshalDoc(tag string, in reflect.Value) { |
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90 |
e.init() |
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91 |
yaml_document_start_event_initialize(&e.event, nil, nil, true) |
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92 |
e.emit() |
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93 |
e.marshal(tag, in) |
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94 |
yaml_document_end_event_initialize(&e.event, true) |
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95 |
e.emit() |
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96 |
} |
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97 |
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98 |
func (e *encoder) marshal(tag string, in reflect.Value) { |
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99 |
if !in.IsValid() || in.Kind() == reflect.Ptr && in.IsNil() { |
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100 |
e.nilv() |
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101 |
return |
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102 |
} |
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103 |
iface := in.Interface() |
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104 |
switch m := iface.(type) { |
246 | 105 |
case jsonNumber: |
106 |
integer, err := m.Int64() |
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107 |
if err == nil { |
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108 |
// In this case the json.Number is a valid int64 |
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109 |
in = reflect.ValueOf(integer) |
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110 |
break |
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111 |
} |
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112 |
float, err := m.Float64() |
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if err == nil { |
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// In this case the json.Number is a valid float64 |
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115 |
in = reflect.ValueOf(float) |
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116 |
break |
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117 |
} |
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// fallback case - no number could be obtained |
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119 |
in = reflect.ValueOf(m.String()) |
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120 |
case time.Time, *time.Time: |
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121 |
// Although time.Time implements TextMarshaler, |
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122 |
// we don't want to treat it as a string for YAML |
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123 |
// purposes because YAML has special support for |
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124 |
// timestamps. |
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125 |
case Marshaler: |
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126 |
v, err := m.MarshalYAML() |
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127 |
if err != nil { |
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128 |
fail(err) |
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129 |
} |
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130 |
if v == nil { |
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131 |
e.nilv() |
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132 |
return |
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133 |
} |
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134 |
in = reflect.ValueOf(v) |
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135 |
case encoding.TextMarshaler: |
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136 |
text, err := m.MarshalText() |
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137 |
if err != nil { |
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138 |
fail(err) |
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139 |
} |
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140 |
in = reflect.ValueOf(string(text)) |
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141 |
case nil: |
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142 |
e.nilv() |
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143 |
return |
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144 |
} |
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145 |
switch in.Kind() { |
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146 |
case reflect.Interface: |
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|
147 |
e.marshal(tag, in.Elem()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
148 |
case reflect.Map: |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
149 |
e.mapv(tag, in) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
150 |
case reflect.Ptr: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
151 |
if in.Type() == ptrTimeType { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
152 |
e.timev(tag, in.Elem()) |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
153 |
} else { |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
154 |
e.marshal(tag, in.Elem()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
155 |
} |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
156 |
case reflect.Struct: |
2a9ec03fe5a1
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parents:
diff
changeset
|
157 |
if in.Type() == timeType { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
158 |
e.timev(tag, in) |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
159 |
} else { |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
160 |
e.structv(tag, in) |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
161 |
} |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
162 |
case reflect.Slice, reflect.Array: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
163 |
if in.Type().Elem() == mapItemType { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
164 |
e.itemsv(tag, in) |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
165 |
} else { |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
166 |
e.slicev(tag, in) |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
167 |
} |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
168 |
case reflect.String: |
2a9ec03fe5a1
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parents:
diff
changeset
|
169 |
e.stringv(tag, in) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
170 |
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: |
2a9ec03fe5a1
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parents:
diff
changeset
|
171 |
if in.Type() == durationType { |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
172 |
e.stringv(tag, reflect.ValueOf(iface.(time.Duration).String())) |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
173 |
} else { |
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
174 |
e.intv(tag, in) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
175 |
} |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
176 |
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
|
177 |
e.uintv(tag, in) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
178 |
case reflect.Float32, reflect.Float64: |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
179 |
e.floatv(tag, in) |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
180 |
case reflect.Bool: |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
181 |
e.boolv(tag, in) |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
182 |
default: |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
183 |
panic("cannot marshal type: " + in.Type().String()) |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
184 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
185 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
186 |
|
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
187 |
func (e *encoder) mapv(tag string, in reflect.Value) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
188 |
e.mappingv(tag, func() { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
189 |
keys := keyList(in.MapKeys()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
190 |
sort.Sort(keys) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
191 |
for _, k := range keys { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
192 |
e.marshal("", k) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
193 |
e.marshal("", in.MapIndex(k)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
194 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
195 |
}) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
196 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
197 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
198 |
func (e *encoder) itemsv(tag string, in reflect.Value) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
199 |
e.mappingv(tag, func() { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
200 |
slice := in.Convert(reflect.TypeOf([]MapItem{})).Interface().([]MapItem) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
201 |
for _, item := range slice { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
202 |
e.marshal("", reflect.ValueOf(item.Key)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
203 |
e.marshal("", reflect.ValueOf(item.Value)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
204 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
205 |
}) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
206 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
207 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
208 |
func (e *encoder) structv(tag string, in reflect.Value) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
209 |
sinfo, err := getStructInfo(in.Type()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
210 |
if err != nil { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
211 |
panic(err) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
212 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
213 |
e.mappingv(tag, func() { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
214 |
for _, info := range sinfo.FieldsList { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
215 |
var value reflect.Value |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
216 |
if info.Inline == nil { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
217 |
value = in.Field(info.Num) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
218 |
} else { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
219 |
value = in.FieldByIndex(info.Inline) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
220 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
221 |
if info.OmitEmpty && isZero(value) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
222 |
continue |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
223 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
224 |
e.marshal("", reflect.ValueOf(info.Key)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
225 |
e.flow = info.Flow |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
226 |
e.marshal("", value) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
227 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
228 |
if sinfo.InlineMap >= 0 { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
229 |
m := in.Field(sinfo.InlineMap) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
230 |
if m.Len() > 0 { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
231 |
e.flow = false |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
232 |
keys := keyList(m.MapKeys()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
233 |
sort.Sort(keys) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
234 |
for _, k := range keys { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
235 |
if _, found := sinfo.FieldsMap[k.String()]; found { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
236 |
panic(fmt.Sprintf("Can't have key %q in inlined map; conflicts with struct field", k.String())) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
237 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
238 |
e.marshal("", k) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
239 |
e.flow = false |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
240 |
e.marshal("", m.MapIndex(k)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
241 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
242 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
243 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
244 |
}) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
245 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
246 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
247 |
func (e *encoder) mappingv(tag string, f func()) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
248 |
implicit := tag == "" |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
249 |
style := yaml_BLOCK_MAPPING_STYLE |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
250 |
if e.flow { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
251 |
e.flow = false |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
252 |
style = yaml_FLOW_MAPPING_STYLE |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
253 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
254 |
yaml_mapping_start_event_initialize(&e.event, nil, []byte(tag), implicit, style) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
255 |
e.emit() |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
256 |
f() |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
257 |
yaml_mapping_end_event_initialize(&e.event) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
258 |
e.emit() |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
259 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
260 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
261 |
func (e *encoder) slicev(tag string, in reflect.Value) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
262 |
implicit := tag == "" |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
263 |
style := yaml_BLOCK_SEQUENCE_STYLE |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
264 |
if e.flow { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
265 |
e.flow = false |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
266 |
style = yaml_FLOW_SEQUENCE_STYLE |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
267 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
268 |
e.must(yaml_sequence_start_event_initialize(&e.event, nil, []byte(tag), implicit, style)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
269 |
e.emit() |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
270 |
n := in.Len() |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
271 |
for i := 0; i < n; i++ { |
2a9ec03fe5a1
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|
272 |
e.marshal("", in.Index(i)) |
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273 |
} |
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|
274 |
e.must(yaml_sequence_end_event_initialize(&e.event)) |
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|
275 |
e.emit() |
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|
276 |
} |
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277 |
|
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|
278 |
// isBase60 returns whether s is in base 60 notation as defined in YAML 1.1. |
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|
279 |
// |
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|
280 |
// The base 60 float notation in YAML 1.1 is a terrible idea and is unsupported |
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281 |
// in YAML 1.2 and by this package, but these should be marshalled quoted for |
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282 |
// the time being for compatibility with other parsers. |
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|
283 |
func isBase60Float(s string) (result bool) { |
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|
284 |
// Fast path. |
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|
285 |
if s == "" { |
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|
286 |
return false |
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|
287 |
} |
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|
288 |
c := s[0] |
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|
289 |
if !(c == '+' || c == '-' || c >= '0' && c <= '9') || strings.IndexByte(s, ':') < 0 { |
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|
290 |
return false |
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|
291 |
} |
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|
292 |
// Do the full match. |
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|
293 |
return base60float.MatchString(s) |
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294 |
} |
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295 |
|
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296 |
// From http://yaml.org/type/float.html, except the regular expression there |
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297 |
// is bogus. In practice parsers do not enforce the "\.[0-9_]*" suffix. |
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|
298 |
var base60float = regexp.MustCompile(`^[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+(?:\.[0-9_]*)?$`) |
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299 |
|
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300 |
func (e *encoder) stringv(tag string, in reflect.Value) { |
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301 |
var style yaml_scalar_style_t |
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|
302 |
s := in.String() |
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|
303 |
canUsePlain := true |
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|
304 |
switch { |
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|
305 |
case !utf8.ValidString(s): |
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|
306 |
if tag == yaml_BINARY_TAG { |
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|
307 |
failf("explicitly tagged !!binary data must be base64-encoded") |
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|
308 |
} |
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|
309 |
if tag != "" { |
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|
310 |
failf("cannot marshal invalid UTF-8 data as %s", shortTag(tag)) |
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|
311 |
} |
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|
312 |
// It can't be encoded directly as YAML so use a binary tag |
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|
313 |
// and encode it as base64. |
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|
314 |
tag = yaml_BINARY_TAG |
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|
315 |
s = encodeBase64(s) |
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|
316 |
case tag == "": |
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|
317 |
// Check to see if it would resolve to a specific |
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|
318 |
// tag when encoded unquoted. If it doesn't, |
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|
319 |
// there's no need to quote it. |
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|
320 |
rtag, _ := resolve("", s) |
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|
321 |
canUsePlain = rtag == yaml_STR_TAG && !isBase60Float(s) |
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|
322 |
} |
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|
323 |
// Note: it's possible for user code to emit invalid YAML |
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|
324 |
// if they explicitly specify a tag and a string containing |
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|
325 |
// text that's incompatible with that tag. |
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|
326 |
switch { |
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|
327 |
case strings.Contains(s, "\n"): |
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|
328 |
style = yaml_LITERAL_SCALAR_STYLE |
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|
329 |
case canUsePlain: |
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|
330 |
style = yaml_PLAIN_SCALAR_STYLE |
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|
331 |
default: |
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changeset
|
332 |
style = yaml_DOUBLE_QUOTED_SCALAR_STYLE |
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changeset
|
333 |
} |
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changeset
|
334 |
e.emitScalar(s, "", tag, style) |
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changeset
|
335 |
} |
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changeset
|
336 |
|
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Mikael Berthe <mikael@lilotux.net>
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changeset
|
337 |
func (e *encoder) boolv(tag string, in reflect.Value) { |
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|
338 |
var s string |
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|
339 |
if in.Bool() { |
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parents:
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changeset
|
340 |
s = "true" |
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parents:
diff
changeset
|
341 |
} else { |
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changeset
|
342 |
s = "false" |
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changeset
|
343 |
} |
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changeset
|
344 |
e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE) |
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changeset
|
345 |
} |
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|
346 |
|
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changeset
|
347 |
func (e *encoder) intv(tag string, in reflect.Value) { |
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|
348 |
s := strconv.FormatInt(in.Int(), 10) |
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|
349 |
e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE) |
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changeset
|
350 |
} |
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changeset
|
351 |
|
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Mikael Berthe <mikael@lilotux.net>
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diff
changeset
|
352 |
func (e *encoder) uintv(tag string, in reflect.Value) { |
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changeset
|
353 |
s := strconv.FormatUint(in.Uint(), 10) |
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changeset
|
354 |
e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE) |
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diff
changeset
|
355 |
} |
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changeset
|
356 |
|
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changeset
|
357 |
func (e *encoder) timev(tag string, in reflect.Value) { |
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changeset
|
358 |
t := in.Interface().(time.Time) |
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changeset
|
359 |
s := t.Format(time.RFC3339Nano) |
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changeset
|
360 |
e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE) |
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diff
changeset
|
361 |
} |
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changeset
|
362 |
|
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Mikael Berthe <mikael@lilotux.net>
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diff
changeset
|
363 |
func (e *encoder) floatv(tag string, in reflect.Value) { |
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diff
changeset
|
364 |
// Issue #352: When formatting, use the precision of the underlying value |
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diff
changeset
|
365 |
precision := 64 |
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changeset
|
366 |
if in.Kind() == reflect.Float32 { |
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changeset
|
367 |
precision = 32 |
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changeset
|
368 |
} |
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changeset
|
369 |
|
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changeset
|
370 |
s := strconv.FormatFloat(in.Float(), 'g', -1, precision) |
2a9ec03fe5a1
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diff
changeset
|
371 |
switch s { |
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diff
changeset
|
372 |
case "+Inf": |
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parents:
diff
changeset
|
373 |
s = ".inf" |
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parents:
diff
changeset
|
374 |
case "-Inf": |
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parents:
diff
changeset
|
375 |
s = "-.inf" |
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diff
changeset
|
376 |
case "NaN": |
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parents:
diff
changeset
|
377 |
s = ".nan" |
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
378 |
} |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
379 |
e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE) |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
380 |
} |
2a9ec03fe5a1
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changeset
|
381 |
|
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
382 |
func (e *encoder) nilv() { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
383 |
e.emitScalar("null", "", "", yaml_PLAIN_SCALAR_STYLE) |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
384 |
} |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
385 |
|
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
386 |
func (e *encoder) emitScalar(value, anchor, tag string, style yaml_scalar_style_t) { |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
387 |
implicit := tag == "" |
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
388 |
e.must(yaml_scalar_event_initialize(&e.event, []byte(anchor), []byte(tag), []byte(value), implicit, implicit, style)) |
2a9ec03fe5a1
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parents:
diff
changeset
|
389 |
e.emit() |
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Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
390 |
} |