32 lines
950 B
Go
32 lines
950 B
Go
// Package file implements decoding between configuration in a file and a typed Configuration.
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package file
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import (
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"github.com/containous/traefik/v2/pkg/config/parser"
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)
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// Decode decodes the given configuration file into the given element.
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// The operation goes through three stages roughly summarized as:
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// file contents -> tree of untyped nodes
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// untyped nodes -> nodes augmented with metadata such as kind (inferred from element)
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// "typed" nodes -> typed element
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func Decode(filePath string, element interface{}) error {
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if element == nil {
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return nil
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}
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filters := getRootFieldNames(element)
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root, err := decodeFileToNode(filePath, filters...)
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if err != nil {
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return err
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}
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metaOpts := parser.MetadataOpts{TagName: parser.TagLabel, AllowSliceAsStruct: true}
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err = parser.AddMetadata(element, root, metaOpts)
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if err != nil {
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return err
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}
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return parser.Fill(element, root, parser.FillerOpts{AllowSliceAsStruct: true})
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}
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