67 lines
1.3 KiB
Go
67 lines
1.3 KiB
Go
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package main
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import (
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"fmt"
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"reflect"
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"strings"
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"github.com/traefik/paerser/parser"
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)
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func encodeNode(labels map[string]string, root string, node *parser.Node) {
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for _, child := range node.Children {
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if child.Disabled {
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continue
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}
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var sep string
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if child.Name[0] != '[' {
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sep = "."
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}
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childName := root + sep + child.Name
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if child.RawValue != nil {
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encodeRawValue(labels, childName, child.RawValue)
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continue
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}
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if strings.Contains(child.Tag.Get(parser.TagLabel), parser.TagLabelAllowEmpty) {
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labels[childName] = "true"
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}
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if len(child.Children) > 0 {
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encodeNode(labels, childName, child)
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} else if len(child.Name) > 0 {
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labels[childName] = child.Value
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}
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}
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}
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func encodeRawValue(labels map[string]string, root string, rawValue interface{}) {
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if rawValue == nil {
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return
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}
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tValue := reflect.TypeOf(rawValue)
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if tValue.Kind() == reflect.Map && tValue.Elem().Kind() == reflect.Interface {
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r := reflect.ValueOf(rawValue).
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Convert(reflect.TypeOf((map[string]interface{})(nil))).
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Interface().(map[string]interface{})
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for k, v := range r {
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switch tv := v.(type) {
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case string:
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labels[root+"."+k] = tv
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case []interface{}:
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for i, e := range tv {
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encodeRawValue(labels, fmt.Sprintf("%s.%s[%d]", root, k, i), e)
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}
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default:
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encodeRawValue(labels, root+"."+k, v)
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}
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}
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}
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}
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