forked from mirror/ledisdb
53 lines
982 B
Go
53 lines
982 B
Go
package rdb
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import (
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"bytes"
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"fmt"
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"github.com/cupcake/rdb"
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)
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func Dump(obj interface{}) ([]byte, error) {
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var buf bytes.Buffer
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e := rdb.NewEncoder(&buf)
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switch v := obj.(type) {
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case String:
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e.EncodeType(rdb.TypeString)
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e.EncodeString(v)
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case HashMap:
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e.EncodeType(rdb.TypeHash)
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e.EncodeLength(uint32(len(v)))
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for i := 0; i < len(v); i++ {
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e.EncodeString(v[i].Field)
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e.EncodeString(v[i].Value)
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}
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case List:
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e.EncodeType(rdb.TypeList)
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e.EncodeLength(uint32(len(v)))
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for i := 0; i < len(v); i++ {
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e.EncodeString(v[i])
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}
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case Set:
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e.EncodeType(rdb.TypeSet)
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e.EncodeLength(uint32(len(v)))
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for i := 0; i < len(v); i++ {
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e.EncodeString(v[i])
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}
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case ZSet:
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e.EncodeType(rdb.TypeZSet)
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e.EncodeLength(uint32(len(v)))
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for i := 0; i < len(v); i++ {
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e.EncodeString(v[i].Member)
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e.EncodeFloat(v[i].Score)
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}
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default:
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return nil, fmt.Errorf("invalid dump type %T", obj)
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}
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e.EncodeDumpFooter()
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return buf.Bytes(), nil
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}
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