38 lines
574 B
Go
38 lines
574 B
Go
package codec
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import (
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"fmt"
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"net/http"
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"net/url"
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"reflect"
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)
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type queryCodec struct {
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values url.Values
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}
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// NewQueryCodec ...
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func NewQueryCodec(r *http.Request) *queryCodec {
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c := &queryCodec{values: r.URL.Query()}
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return c
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}
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// Decode ...
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func (c *queryCodec) Decode(field reflect.StructField, fv reflect.Value, tag *Tag) error {
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v := c.values[tag.Name]
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if len(v) == 0 {
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return nil
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}
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rv, err := getFieldValue(field.Type, tag, v)
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if err != nil {
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return err
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}
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if !rv.IsValid() {
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return fmt.Errorf("%s not valid", rv)
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}
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fv.Set(rv)
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return nil
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}
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