telegraf/plugins/parsers/xpath/msgpack_document.go

40 lines
1.0 KiB
Go

package xpath
import (
"bytes"
"fmt"
"github.com/tinylib/msgp/msgp"
"github.com/antchfx/jsonquery"
path "github.com/antchfx/xpath"
)
type msgpackDocument jsonDocument
func (d *msgpackDocument) Parse(buf []byte) (dataNode, error) {
var json bytes.Buffer
// Unmarshal the message-pack binary message to JSON and proceed with the jsonquery class
if _, err := msgp.UnmarshalAsJSON(&json, buf); err != nil {
return nil, fmt.Errorf("unmarshalling to json failed: %v", err)
}
return jsonquery.Parse(&json)
}
func (d *msgpackDocument) QueryAll(node dataNode, expr string) ([]dataNode, error) {
return (*jsonDocument)(d).QueryAll(node, expr)
}
func (d *msgpackDocument) CreateXPathNavigator(node dataNode) path.NodeNavigator {
return (*jsonDocument)(d).CreateXPathNavigator(node)
}
func (d *msgpackDocument) GetNodePath(node, relativeTo dataNode, sep string) string {
return (*jsonDocument)(d).GetNodePath(node, relativeTo, sep)
}
func (d *msgpackDocument) OutputXML(node dataNode) string {
return (*jsonDocument)(d).OutputXML(node)
}